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1 Treffer für Open Source Developer Jobs in Duisburg im Umkreis von 30 km
Noch nichts dabei? Es gibt 1 weiteren Job, der zu deiner Suche passen könnte
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(Senior) Software Engineer (m/f/d) Network Security
(Senior) Software Engineer (m/f/d) Network Security
Secunet Security Networks AG
Essen
Teilweise Home-Office
Leverage existing Open Source software to implement state of the art security features * Contribute fixes and improvements upstream in Open Source projects (e.g. Nixpkgs, Linux Kernel, systemd) * Open Source enthusiast that already enjoys working upstream or is motivated to learn how to * A rare opportunity to build a developer platform from the ground up
Leverage existing Open Source software to implement state of the art security features * Contribute fixes and improvements upstream in Open Source projects (e.g. Nixpkgs, Linux Kernel, systemd) * Open Source enthusiast that already enjoys working upstream or is motivated to learn how to * A rare opportunity to build a developer platform from the ground up
14 passende Jobs liegen außerhalb deiner Region
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Full-Stack Developer (Mid bis Senior) – Backend-Schwerpunkt mit FastAPI und SvelteKit (w/m/d)
Full-Stack Developer (Mid bis Senior) – Backend-Schwerpunkt mit FastAPI und SvelteKit (w/m/d)
ituma GmbH
Hilden
Beiträge zu Open-Source-Projekten, eigene Repos, Tech-Blog – alles, was zeigt, wie Du denkst.
Beiträge zu Open-Source-Projekten, eigene Repos, Tech-Blog – alles, was zeigt, wie Du denkst.
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AI & Automation Developer SAP (all genders)
AI & Automation Developer SAP (all genders)
adesso business consulting AG
Berlin, Hamburg, München, Köln, Frankfurt, Stuttgart, Leipzig, Dortmund
Teilweise Home-Office
Framework-Know-how: Mit KI-Frameworks wie LangChain, LlamaIndex, Semantic Kernel oder Hugging Face hast du idealerweise bereits praktisch gearbeitet – gerne auch in eigenen Side-Projects oder Open-Source-Beiträgen. * Von der Idee zum Code: Als AI & Automation Developer setzt du KI-Lösungen hands-on um – von der ersten Prototyp-Zeile bis zum produktiven Deployment in komplexen SAP-Landschaften.
Framework-Know-how: Mit KI-Frameworks wie LangChain, LlamaIndex, Semantic Kernel oder Hugging Face hast du idealerweise bereits praktisch gearbeitet – gerne auch in eigenen Side-Projects oder Open-Source-Beiträgen. * Von der Idee zum Code: Als AI & Automation Developer setzt du KI-Lösungen hands-on um – von der ersten Prototyp-Zeile bis zum produktiven Deployment in komplexen SAP-Landschaften.
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Schnelle Bewerbung
Contribute to Open Source: Write, maintain, and enhance open-source projects like Sidebase and actively engage with the community. * Community Engagement: Address issues, create documentation, and develop a vision for open-source initiatives. * Open-Source Enthusiast: You have experience contributing to open-source projects and actively engaging with the community. * Passionate Collaborator: You're excited about shaping the future of open-source and love working with others to bring ideas to life. * Impactful Work: Contribute to projects that matter, whether it's digitalizing leading companies, developing open-source tool or innovating with blockchain and AI. * Mentor and Guide: Help junior developers level up their skills through mentoring and collaborative projects. * Hands-On Problem Solver: You're open to a real-life coding challenge during the application process.
Contribute to Open Source: Write, maintain, and enhance open-source projects like Sidebase and actively engage with the community. * Community Engagement: Address issues, create documentation, and develop a vision for open-source initiatives. * Open-Source Enthusiast: You have experience contributing to open-source projects and actively engaging with the community. * Passionate Collaborator: You're excited about shaping the future of open-source and love working with others to bring ideas to life. * Impactful Work: Contribute to projects that matter, whether it's digitalizing leading companies, developing open-source tool or innovating with blockchain and AI. * Mentor and Guide: Help junior developers level up their skills through mentoring and collaborative projects. * Hands-On Problem Solver: You're open to a real-life coding challenge during the application process.
NEU
Schnelle Bewerbung
Impactful Work: Contribute to projects that matter, whether it's digitalizing leading companies, developing open-source tool or innovating with blockchain and AI. * Mentor and Guide: Help junior developers level up their skills through mentoring and collaborative projects. * Hands-On Problem Solver: You're open to a real-life coding challenge during the application process. We value developers who enjoy rolling up their sleeves and writing great code, not just technical managers.
Impactful Work: Contribute to projects that matter, whether it's digitalizing leading companies, developing open-source tool or innovating with blockchain and AI. * Mentor and Guide: Help junior developers level up their skills through mentoring and collaborative projects. * Hands-On Problem Solver: You're open to a real-life coding challenge during the application process. We value developers who enjoy rolling up their sleeves and writing great code, not just technical managers.
NEU
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Fullstack Developer (m/w/d) Schwerpunkt Frontend – Konstanz, Berlin oder remote
Fullstack Developer (m/w/d) Schwerpunkt Frontend – Konstanz, Berlin oder remote
SEITENBAU GmbH
Konstanz, Berlin, Home-Office
Teilweise Home-Office
Schnelle Bewerbung
Dabei setzen wir auf unsere Begeisterung für Software-Engineering, Open Source und agiles Mindset.
Dabei setzen wir auf unsere Begeisterung für Software-Engineering, Open Source und agiles Mindset.
Fullstack Developer (m/w/d) – Konstanz, Berlin oder remote
Fullstack Developer (m/w/d) – Konstanz, Berlin oder remote
SEITENBAU GmbH
Home-Office, Konstanz, Berlin
Teilweise Home-Office
Schnelle Bewerbung
Dabei setzen wir auf unsere Begeisterung für Software-Engineering, Open Source und agiles Mindset.
Dabei setzen wir auf unsere Begeisterung für Software-Engineering, Open Source und agiles Mindset.
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Solutions Architect - LangFuse EMEA
Solutions Architect - LangFuse EMEA
Clickhouse GmbH
United Kingdom, Germany, Netherlands
Teilweise Home-Office
Open source orientation — you understand how open source communities work, how developer trust is earned, and how to contribute authentically rather than just promote - ClickHouse recently acquired Langfuse — the leading open source LLM observability platform — making it a core part of the ClickHouse product stack. * Source and qualify pipeline directly through ecosystem relationships and community engagement — this role is expected to open doors, not just walk through them * Serve as ClickHouse's primary technical voice in the Langfuse community — contributing to forums, engaging on GitHub, participating in events, and building authentic credibility with AI engineers and developers * Customer-facing experience — pre-sales, solutions engineering, developer advocacy, or technical account management.
Open source orientation — you understand how open source communities work, how developer trust is earned, and how to contribute authentically rather than just promote - ClickHouse recently acquired Langfuse — the leading open source LLM observability platform — making it a core part of the ClickHouse product stack. * Source and qualify pipeline directly through ecosystem relationships and community engagement — this role is expected to open doors, not just walk through them * Serve as ClickHouse's primary technical voice in the Langfuse community — contributing to forums, engaging on GitHub, participating in events, and building authentic credibility with AI engineers and developers * Customer-facing experience — pre-sales, solutions engineering, developer advocacy, or technical account management.
A passion for open source and the developer community. HyperDX is an open-source platform that transforms telemetry data into actionable insights. * Engage with the community: Collaborate with open-source contributors and customers, solve their challenges, and incorporate their feedback into our backend architecture and API design. Join us in revolutionizing Observability for Developers! We're hiring a Senior Backend Engineer to help us build a petabyte-scale, high-performance observability platform with a laser focus on crafting an amazing developer experience (the DX in * Shape the product: Own and build key backend services and infrastructure that power our observability platform, ensuring reliable, high-throughput data pipelines and APIs that developers depend on every day. * 5+ years of software engineering experience with a strong focus on backend development, with a preference for ...
A passion for open source and the developer community. HyperDX is an open-source platform that transforms telemetry data into actionable insights. * Engage with the community: Collaborate with open-source contributors and customers, solve their challenges, and incorporate their feedback into our backend architecture and API design. Join us in revolutionizing Observability for Developers! We're hiring a Senior Backend Engineer to help us build a petabyte-scale, high-performance observability platform with a laser focus on crafting an amazing developer experience (the DX in * Shape the product: Own and build key backend services and infrastructure that power our observability platform, ensuring reliable, high-throughput data pipelines and APIs that developers depend on every day. * 5+ years of software engineering experience with a strong focus on backend development, with a preference for ...
10+ years of industry experience building developer-facing tools, open source software, or data-intensive systems. You will build a high-output culture, set a clear technical direction, and expand our reach from client libraries into the broader open source ecosystem. Experience collaborating with open source communities and earning trust in public technical spaces. From Go and Python to Rust and Java, our client libraries are the first touch point for every developer who builds on ClickHouse, and the gateway to a rapidly expanding ecosystem of integrations, SDKs, and partner tooling. * Shape how developers around the world interact with ClickHouse from the first line of code to production at scale. * High visibility: language clients are the front door to the ClickHouse ecosystem, directly impacting developer adoption, community growth, and product direction.
10+ years of industry experience building developer-facing tools, open source software, or data-intensive systems. You will build a high-output culture, set a clear technical direction, and expand our reach from client libraries into the broader open source ecosystem. Experience collaborating with open source communities and earning trust in public technical spaces. From Go and Python to Rust and Java, our client libraries are the first touch point for every developer who builds on ClickHouse, and the gateway to a rapidly expanding ecosystem of integrations, SDKs, and partner tooling. * Shape how developers around the world interact with ClickHouse from the first line of code to production at scale. * High visibility: language clients are the front door to the ClickHouse ecosystem, directly impacting developer adoption, community growth, and product direction.
Senior Software Engineer - Data Integration & JVM Ecosystem
Senior Software Engineer - Data Integration & JVM Ecosystem
Clickhouse GmbH
Germany (Remote)
Teilweise Home-Office
You'll collaborate closely with the open-source community, internal teams, and enterprise users to ensure our JVM integrations set the standard for performance, reliability, and developer experience. * Passion for open-source development. * Prior contributions to open-source projects: actively engaging with the OSS community, advocating for users, and influencing the evolution of the core system through your contributions. We build and maintain the connectors that make ClickHouse accessible to millions of developers and data practitioners worldwide. This role sits at the intersection of high-performance database engineering and developer experience, where you'll craft tools that enable Data Engineers to harness ClickHouse's incredible speed and scale. * Experience developing or extending connectors, sinks, or sources for at least one big data processing framework such as ...
You'll collaborate closely with the open-source community, internal teams, and enterprise users to ensure our JVM integrations set the standard for performance, reliability, and developer experience. * Passion for open-source development. * Prior contributions to open-source projects: actively engaging with the OSS community, advocating for users, and influencing the evolution of the core system through your contributions. We build and maintain the connectors that make ClickHouse accessible to millions of developers and data practitioners worldwide. This role sits at the intersection of high-performance database engineering and developer experience, where you'll craft tools that enable Data Engineers to harness ClickHouse's incredible speed and scale. * Experience developing or extending connectors, sinks, or sources for at least one big data processing framework such as ...
Senior Software Engineer - Python and Data Ecosystem
Senior Software Engineer - Python and Data Ecosystem
Clickhouse GmbH
Germany (remote)
Teilweise Home-Office
We collaborate closely with the open-source community, internal teams, and enterprise users to ensure ClickHouse integrations set the standard for performance, reliability, and developer experience. * Engage actively with the open-source community: triage issues, support contributors, advocate for users, and shape the roadmap based on real-world feedback - We build and maintain the integrations that make ClickHouse accessible to millions of developers, data practitioners, and AI agents worldwide from high-level data visualization plugins (Tableau, PowerBI, Superset, Metabase) to connectors for data frameworks (Apache Spark, Flink, Kafka Connect, Fivetran), orchestration platforms, and AI tooling. This role sits at the intersection of high-performance database engineering and developer experience. * Outstanding written and verbal communication skills; comfortable collaborating across engineering ...
We collaborate closely with the open-source community, internal teams, and enterprise users to ensure ClickHouse integrations set the standard for performance, reliability, and developer experience. * Engage actively with the open-source community: triage issues, support contributors, advocate for users, and shape the roadmap based on real-world feedback - We build and maintain the integrations that make ClickHouse accessible to millions of developers, data practitioners, and AI agents worldwide from high-level data visualization plugins (Tableau, PowerBI, Superset, Metabase) to connectors for data frameworks (Apache Spark, Flink, Kafka Connect, Fivetran), orchestration platforms, and AI tooling. This role sits at the intersection of high-performance database engineering and developer experience. * Outstanding written and verbal communication skills; comfortable collaborating across engineering ...
A passion for open source and the developer community. An open-source platform that transforms telemetry data into actionable insights. * Engage with the community: Collaborate with open-source contributors and customers, solve their challenges, and incorporate their feedback into our roadmap. We're hiring a Senior Full Stack Engineer to help us build a petabyte-scale, high-performance observability platform with a laser focus on crafting an amazing developer experience. * A full stack JavaScript developer who excels at and loves both the frontend and backend. * 5+ years of software engineering experience with a preference for building developer tools. * Experience creating developer tooling and an eye for how to design for developers.
A passion for open source and the developer community. An open-source platform that transforms telemetry data into actionable insights. * Engage with the community: Collaborate with open-source contributors and customers, solve their challenges, and incorporate their feedback into our roadmap. We're hiring a Senior Full Stack Engineer to help us build a petabyte-scale, high-performance observability platform with a laser focus on crafting an amazing developer experience. * A full stack JavaScript developer who excels at and loves both the frontend and backend. * 5+ years of software engineering experience with a preference for building developer tools. * Experience creating developer tooling and an eye for how to design for developers.
Genuine open-source disposition: comfort engaging with community issues, external contributors, and public design discussions. * Prior contributions to open-source data infrastructure (Kafka, Spark, Flink, dbt, Debezium, Iceberg, or similar). * Ship visible, measurable wins in throughput, stability, and developer experience. You don't need to be a maintainer of a well-known project, but you do need to be comfortable working in the open.
Genuine open-source disposition: comfort engaging with community issues, external contributors, and public design discussions. * Prior contributions to open-source data infrastructure (Kafka, Spark, Flink, dbt, Debezium, Iceberg, or similar). * Ship visible, measurable wins in throughput, stability, and developer experience. You don't need to be a maintainer of a well-known project, but you do need to be comfortable working in the open.
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Contributions to open-source projects and/or publications; please include links to GitHub pull requests, published papers and artifacts. * Develop, optimize, and benchmark GPU kernels (hand-tuned and compiler-generated) using techniques such as fusion, autotuning, and memory/layout optimization; build and extend high-level DSLs and compiler infrastructure to boost kernel developer productivity while approaching peak hardware utilization.
Contributions to open-source projects and/or publications; please include links to GitHub pull requests, published papers and artifacts. * Develop, optimize, and benchmark GPU kernels (hand-tuned and compiler-generated) using techniques such as fusion, autotuning, and memory/layout optimization; build and extend high-level DSLs and compiler infrastructure to boost kernel developer productivity while approaching peak hardware utilization.
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Backend Developer mit AI-Fokus (m/w/d)
Backend Developer mit AI-Fokus (m/w/d)
Sopra Steria Custom Software Solutions GmbH
bundesweit, Berlin, Frankfurt, Hamburg, Köln, Leipzig, München
Teilweise Home-Office
Sopra Steria Custom Software Solutions GmbH * bundesweit, Berlin, Frankfurt, Hamburg, Köln, Leipzig, München * Feste Anstellung * Homeoffice möglich, Vollzeit - Wer wir sind - Wir sind die Custom Software Solutions - eine Gemeinschaft von Tech-Enthusiast*innen, die darauf spezialisiert sind, maßgeschneiderte Softwarelösungen zu entwickeln. Seit 2018 sind wir Teil des #OneTeams der Sopra Steria und bilden eine starke Symbiose aus Erfahrung und technischer Exzellenz. Wir sind wegweisender Partner, um Unternehmen und Organisationen zukunfts-als auch wettbewerbsfähiger zu machen. Dabei bieten wir, gemeinsam mit dir, unseren Kunden ein breites Leistungsangebot rund um Modernisierung, agile Transformation und Smart Collaboration. In enger Zusammenarbeit mit der Sopra Steria Group erweiterst du ständig deinen Horizont und hast die Chance, deine Expertise unter Beweis zu stellen und zu wachsen.
Sopra Steria Custom Software Solutions GmbH * bundesweit, Berlin, Frankfurt, Hamburg, Köln, Leipzig, München * Feste Anstellung * Homeoffice möglich, Vollzeit - Wer wir sind - Wir sind die Custom Software Solutions - eine Gemeinschaft von Tech-Enthusiast*innen, die darauf spezialisiert sind, maßgeschneiderte Softwarelösungen zu entwickeln. Seit 2018 sind wir Teil des #OneTeams der Sopra Steria und bilden eine starke Symbiose aus Erfahrung und technischer Exzellenz. Wir sind wegweisender Partner, um Unternehmen und Organisationen zukunfts-als auch wettbewerbsfähiger zu machen. Dabei bieten wir, gemeinsam mit dir, unseren Kunden ein breites Leistungsangebot rund um Modernisierung, agile Transformation und Smart Collaboration. In enger Zusammenarbeit mit der Sopra Steria Group erweiterst du ständig deinen Horizont und hast die Chance, deine Expertise unter Beweis zu stellen und zu wachsen.
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Schnelle Bewerbung
Build and maintain backend services and APIs using Java and Python * You write clean, testable backend code in Java and/or Python * StepStone Services Sp. z o.o. * Warschau * Feste Anstellung * Homeoffice möglich, Vollzeit - Sei einer der ersten Bewerber - Schnelle Bewerbung - Who we are - At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in a fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. At our Tech Hub, located near Wilanowska Metro, we are more than 300 ambitious specialists working on the development of our IT products. We are proud to be part of The Stepstone Group, a global expert in job-tech platforms and e-recruiting.
Build and maintain backend services and APIs using Java and Python * You write clean, testable backend code in Java and/or Python * StepStone Services Sp. z o.o. * Warschau * Feste Anstellung * Homeoffice möglich, Vollzeit - Sei einer der ersten Bewerber - Schnelle Bewerbung - Who we are - At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in a fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. At our Tech Hub, located near Wilanowska Metro, we are more than 300 ambitious specialists working on the development of our IT products. We are proud to be part of The Stepstone Group, a global expert in job-tech platforms and e-recruiting.
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Schnelle Bewerbung
Zum nächstmöglichen Zeitpunkt suchen wir einen Senior Software Engineer – Cloud & AI Integration (m/w/d) Wir entwickeln zukunftsweisende Softwarelösungen, die Unternehmen bei der digitalen Transformation unterstützen. * Arbeite mit modernsten KI-Frameworks (Spring AI, Embabel, LangChain(4J), ADK, Strands, AutoGen oder ähnliches) * TekkMinds AG * München * Feste Anstellung * Homeoffice möglich, Vollzeit - Schnelle Bewerbung - Die TekkMinds AG ist ein etabliertes mittelgroßes Unternehmen im dynamischen IT- und Technologiesektor. Unser Fokus liegt auf innovativen Cloud-Technologien, agilen Methoden und einer engen Zusammenarbeit mit unseren Kunden. Dabei setzen wir auf ein erfahrenes Team und modernste Infrastruktur, um anspruchsvolle Projekte erfolgreich umzusetzen und kontinuierlich neue Standards in der Branche zu setzen. Wir bieten Ihnen die Möglichkeit, sich in einem technologiegetriebenen Umfeld ...
Zum nächstmöglichen Zeitpunkt suchen wir einen Senior Software Engineer – Cloud & AI Integration (m/w/d) Wir entwickeln zukunftsweisende Softwarelösungen, die Unternehmen bei der digitalen Transformation unterstützen. * Arbeite mit modernsten KI-Frameworks (Spring AI, Embabel, LangChain(4J), ADK, Strands, AutoGen oder ähnliches) * TekkMinds AG * München * Feste Anstellung * Homeoffice möglich, Vollzeit - Schnelle Bewerbung - Die TekkMinds AG ist ein etabliertes mittelgroßes Unternehmen im dynamischen IT- und Technologiesektor. Unser Fokus liegt auf innovativen Cloud-Technologien, agilen Methoden und einer engen Zusammenarbeit mit unseren Kunden. Dabei setzen wir auf ein erfahrenes Team und modernste Infrastruktur, um anspruchsvolle Projekte erfolgreich umzusetzen und kontinuierlich neue Standards in der Branche zu setzen. Wir bieten Ihnen die Möglichkeit, sich in einem technologiegetriebenen Umfeld ...
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As a Software Engineer, you will work side-by-side with our CTO to architect and ship intuitive, high-performance applications. As one of our first engineers, you will take full-stack responsibility and play a pivotal role in actively shaping our product and technical direction. We are looking for an engineer with a bias for action who can balance speed with the mid-term tech strategy and is able to take on complex challenges with independence and curiosity. * Design and implement scalable backend systems with a focus on performance and maintainability * Circonomit GmbH * Köln * Feste Anstellung * Vollzeit - Introduction - At Circonomit, we follow the mission to build the strategic twin of organizations. By transforming operational data into clear impact models, we revolutionize how resources are managed and decisions are made. Your tasks
As a Software Engineer, you will work side-by-side with our CTO to architect and ship intuitive, high-performance applications. As one of our first engineers, you will take full-stack responsibility and play a pivotal role in actively shaping our product and technical direction. We are looking for an engineer with a bias for action who can balance speed with the mid-term tech strategy and is able to take on complex challenges with independence and curiosity. * Design and implement scalable backend systems with a focus on performance and maintainability * Circonomit GmbH * Köln * Feste Anstellung * Vollzeit - Introduction - At Circonomit, we follow the mission to build the strategic twin of organizations. By transforming operational data into clear impact models, we revolutionize how resources are managed and decisions are made. Your tasks
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Software Architect (all genders)
Software Architect (all genders)
PRODYNA SE
Berlin, Hamburg, Frankfurt am Main, Düsseldorf, München, Stuttgart
Teilweise Home-Office
Als globaler Full Service Provider bieten wir unseren Kunden das gesamte Portfolio aus IT- und Web-Dienstleistungen: Von der initialen Idee bis hin zum Betrieb - wir entwickeln Software, designen Architekturen und bringen Lösungen in die Cloud, unterstützen in Kreativthemen oder beim Hosting. * Du trägst die technische Leitung und Verantwortung für Softwareentwicklungsprojekte aller Grössenordnungen und bist direkter Ansprechpartner für ausgewählte technologische Spezialbereiche (z.B. GraphDatenbanken) * Du hast ein abgeschlossenes Studium der Informatik oder eine vergleichbare Ausbildung abgeschlossen und bringst mehrjährige Berufserfahrung im Umgang mit Softwareentwicklung sowie technischer Leitung von Projektteams mit * PRODYNA SE * Berlin, Hamburg, Frankfurt am Main, Düsseldorf, München, Stuttgart * Feste Anstellung * Homeoffice möglich, Vollzeit - Über uns
Als globaler Full Service Provider bieten wir unseren Kunden das gesamte Portfolio aus IT- und Web-Dienstleistungen: Von der initialen Idee bis hin zum Betrieb - wir entwickeln Software, designen Architekturen und bringen Lösungen in die Cloud, unterstützen in Kreativthemen oder beim Hosting. * Du trägst die technische Leitung und Verantwortung für Softwareentwicklungsprojekte aller Grössenordnungen und bist direkter Ansprechpartner für ausgewählte technologische Spezialbereiche (z.B. GraphDatenbanken) * Du hast ein abgeschlossenes Studium der Informatik oder eine vergleichbare Ausbildung abgeschlossen und bringst mehrjährige Berufserfahrung im Umgang mit Softwareentwicklung sowie technischer Leitung von Projektteams mit * PRODYNA SE * Berlin, Hamburg, Frankfurt am Main, Düsseldorf, München, Stuttgart * Feste Anstellung * Homeoffice möglich, Vollzeit - Über uns
As a Software Engineer, you will work side-by-side with our CTO to architect and ship intuitive, high-performance applications. As one of our first engineers, you will take full-stack responsibility and play a pivotal role in actively shaping our product and technical direction. We are looking for an engineer with a bias for action who can balance speed with the mid-term tech strategy and is able to take on complex challenges with independence and curiosity. * Design and implement scalable backend systems with a focus on performance and maintainability * Circonomit GmbH * Köln * Feste Anstellung * Vollzeit - Introduction - At Circonomit, we follow the mission to build the strategic twin of organizations. By transforming operational data into clear impact models, we revolutionize how resources are managed and decisions are made. Your tasks
As a Software Engineer, you will work side-by-side with our CTO to architect and ship intuitive, high-performance applications. As one of our first engineers, you will take full-stack responsibility and play a pivotal role in actively shaping our product and technical direction. We are looking for an engineer with a bias for action who can balance speed with the mid-term tech strategy and is able to take on complex challenges with independence and curiosity. * Design and implement scalable backend systems with a focus on performance and maintainability * Circonomit GmbH * Köln * Feste Anstellung * Vollzeit - Introduction - At Circonomit, we follow the mission to build the strategic twin of organizations. By transforming operational data into clear impact models, we revolutionize how resources are managed and decisions are made. Your tasks
Schnelle Bewerbung
Build and maintain backend services and APIs using Java and Python * You write clean, testable backend code in Java and/or Python * StepStone Services Sp. z o.o. * Berlin * Feste Anstellung * Homeoffice möglich, Vollzeit - Schnelle Bewerbung - Who we are - At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in a fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. At our Tech Hub, located near Wilanowska Metro, we are more than 300 ambitious specialists working on the development of our IT products. We are proud to be part of The Stepstone Group, a global expert in job-tech platforms and e-recruiting. Join our team of 4,000+ employees and be part of reshaping the labour market and ...
Build and maintain backend services and APIs using Java and Python * You write clean, testable backend code in Java and/or Python * StepStone Services Sp. z o.o. * Berlin * Feste Anstellung * Homeoffice möglich, Vollzeit - Schnelle Bewerbung - Who we are - At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in a fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. At our Tech Hub, located near Wilanowska Metro, we are more than 300 ambitious specialists working on the development of our IT products. We are proud to be part of The Stepstone Group, a global expert in job-tech platforms and e-recruiting. Join our team of 4,000+ employees and be part of reshaping the labour market and ...
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Schnelle Bewerbung
In unserem Team Software Engineering entwickeln wir einen umfangreichen heterogenen Software-Stack für den Betrieb kritischer Kommunikationsnetze. Wir liefern unseren Anwendern und Nutzern innerhalb und außerhalb der ALDB optimale maßgeschneiderte Softwaresysteme basierend auf State-of-the-Art Technologien. * Du entwickelst containerbasierte Softwaresysteme in Front- und Backend und bist aktiv auf der ganzen Strecke von Architektur, Feature Design, Coding, Tests und Verifikation bis zur Produktivsetzung beteiligt. * Du lieferst mit deinem hohen technischen Anspruch und deiner Leidenschaft für die Softwareentwicklung deinen Beitrag für unsere hochgesteckten und langfristigen Ziele. * Du bist im Unternehmen sichtbar und übernimmst Verantwortung für Deine Entwicklungen, mit einem direkten Kontakt zu den und dem Technischen Betrieb der Softwaresysteme. * ALDB GmbH * Remote * Feste Anstellung
In unserem Team Software Engineering entwickeln wir einen umfangreichen heterogenen Software-Stack für den Betrieb kritischer Kommunikationsnetze. Wir liefern unseren Anwendern und Nutzern innerhalb und außerhalb der ALDB optimale maßgeschneiderte Softwaresysteme basierend auf State-of-the-Art Technologien. * Du entwickelst containerbasierte Softwaresysteme in Front- und Backend und bist aktiv auf der ganzen Strecke von Architektur, Feature Design, Coding, Tests und Verifikation bis zur Produktivsetzung beteiligt. * Du lieferst mit deinem hohen technischen Anspruch und deiner Leidenschaft für die Softwareentwicklung deinen Beitrag für unsere hochgesteckten und langfristigen Ziele. * Du bist im Unternehmen sichtbar und übernimmst Verantwortung für Deine Entwicklungen, mit einem direkten Kontakt zu den und dem Technischen Betrieb der Softwaresysteme. * ALDB GmbH * Remote * Feste Anstellung
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(Senior) Fullstack Softwareentwickler (m/w/d)
(Senior) Fullstack Softwareentwickler (m/w/d)
Senacor Technologies AG
Berlin, Bonn, Frankfurt, Hamburg, München, Nürnberg, Wien
Teilweise Home-Office
Du brennst für innovative Technologien und moderne Software? * Zusammen mit deinem Team konzipierst, erstellst, testest, integrierst und dokumentierst du komplexe und performanzkritische individuelle Softwareprodukte für unsere Kunden * Du programmierst leidenschaftlich gerne und konntest dich bereits im Studium für Softwareentwicklung begeistern * Du hast sehr gute Kenntnisse in der (agilen) Softwareentwicklung (Java, JEE oder JavaScript), mit automatisiertem Testen sowie mit Continuous Integration/ Continuous Delivery * Du bringst gute Kenntnisse mit verschiedenen Software- und Systemarchitekturen, vor allem mit verteilten Systemen (Microservices, Self-Contained Systems) und Containertechnologien mit * Senacor Technologies AG * Berlin, Bonn, Frankfurt, Hamburg, München, Nürnberg, Wien * Feste Anstellung * Homeoffice möglich, Vollzeit - Über Senacor
Du brennst für innovative Technologien und moderne Software? * Zusammen mit deinem Team konzipierst, erstellst, testest, integrierst und dokumentierst du komplexe und performanzkritische individuelle Softwareprodukte für unsere Kunden * Du programmierst leidenschaftlich gerne und konntest dich bereits im Studium für Softwareentwicklung begeistern * Du hast sehr gute Kenntnisse in der (agilen) Softwareentwicklung (Java, JEE oder JavaScript), mit automatisiertem Testen sowie mit Continuous Integration/ Continuous Delivery * Du bringst gute Kenntnisse mit verschiedenen Software- und Systemarchitekturen, vor allem mit verteilten Systemen (Microservices, Self-Contained Systems) und Containertechnologien mit * Senacor Technologies AG * Berlin, Bonn, Frankfurt, Hamburg, München, Nürnberg, Wien * Feste Anstellung * Homeoffice möglich, Vollzeit - Über Senacor
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Senior Product Software Engineer (back end PHP) (m/w/d)
Senior Product Software Engineer (back end PHP) (m/w/d)
Interzero Circular Solutions Germany GmbH
Köln
Teilweise Home-Office
Interzero is one of the leading service providers in closing product, material, and logistics cycles and a pioneer in plastics recycling, operating Europe's largest sorting capacity. * Interzero Circular Solutions Germany GmbH * Köln * Befristeter Vertrag * Homeoffice möglich, Vollzeit - Guided by the principle of “zero waste solutions,” the company supports more than 80,000 customers across Europe in the responsible handling of recyclable materials, helping them improve their sustainability performance and conserve primary resources. With around 2,000 employees, Interzero generates annual revenues of nearly one billion euros. According to Fraunhofer UMSICHT, Interzero's recycling activities alone saved approximately 1.04 million tons of greenhouse gas emissions and 8.09 million tons of primary raw materials compared to primary production in 2024. Aufgaben
Interzero is one of the leading service providers in closing product, material, and logistics cycles and a pioneer in plastics recycling, operating Europe's largest sorting capacity. * Interzero Circular Solutions Germany GmbH * Köln * Befristeter Vertrag * Homeoffice möglich, Vollzeit - Guided by the principle of “zero waste solutions,” the company supports more than 80,000 customers across Europe in the responsible handling of recyclable materials, helping them improve their sustainability performance and conserve primary resources. With around 2,000 employees, Interzero generates annual revenues of nearly one billion euros. According to Fraunhofer UMSICHT, Interzero's recycling activities alone saved approximately 1.04 million tons of greenhouse gas emissions and 8.09 million tons of primary raw materials compared to primary production in 2024. Aufgaben