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25 Treffer für Java Software Jobs in Ratingen im Umkreis von 30 km
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As a Senior Software Engineer, you will be a key contributor in a cross-functional product team where your work has real, visible impact. If you enjoy clean architecture, thoughtful problem-solving, and building software that truly matters, this is the role for you. * Continuously improve: Take on larger initiatives over time, enhancing both the product and the way the team builds software. * Strong mobile engineering foundation: Solid experience with React Native and a strong understanding of Android development using Java and or Kotlin, enabling quick adaptation to our tech stack and patterns.
As a Senior Software Engineer, you will be a key contributor in a cross-functional product team where your work has real, visible impact. If you enjoy clean architecture, thoughtful problem-solving, and building software that truly matters, this is the role for you. * Continuously improve: Take on larger initiatives over time, enhancing both the product and the way the team builds software. * Strong mobile engineering foundation: Solid experience with React Native and a strong understanding of Android development using Java and or Kotlin, enabling quick adaptation to our tech stack and patterns.
Noch nichts dabei? Es gibt 24 weitere Jobs, die zu deiner Suche passen könnten
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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 * Enjoy continually learning about emerging software development practices like fuzzing, property-based testing, or reproducible builds
Leverage existing Open Source software to implement state of the art security features * Enjoy continually learning about emerging software development practices like fuzzing, property-based testing, or reproducible builds
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As a Senior Software Engineer (m/f/d) at auxmoney, you will play a pivotal role in a cross-functional team where your work directly shapes customer-facing products and internal platforms. If you are passionate about writing clean, maintainable code, solving complex technical challenges, and building software that delivers real value, this role offers the opportunity to make a meaningful impact. * Testing & Quality Assurance: Solid understanding of automated testing strategies, including unit and integration testing, with a focus on delivering reliable and high-quality software aligned with overall quality standards. * Security & Compliance Awareness: A proactive approach to implementing security best practices and ensuring compliance throughout the software development lifecycle.
As a Senior Software Engineer (m/f/d) at auxmoney, you will play a pivotal role in a cross-functional team where your work directly shapes customer-facing products and internal platforms. If you are passionate about writing clean, maintainable code, solving complex technical challenges, and building software that delivers real value, this role offers the opportunity to make a meaningful impact. * Testing & Quality Assurance: Solid understanding of automated testing strategies, including unit and integration testing, with a focus on delivering reliable and high-quality software aligned with overall quality standards. * Security & Compliance Awareness: A proactive approach to implementing security best practices and ensuring compliance throughout the software development lifecycle.
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Account Executive - New or Existing Business, Mid-Market (m/f/d)
Account Executive - New or Existing Business, Mid-Market (m/f/d)
ATOSS Software SE
Düsseldorf, Frankfurt, Hamburg, München, Stuttgart
Teilweise Home-Office
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ATOSS Software SE - ATOSS Software SE is one of Germany-s most successful tech growth stories. As the market leader in Workforce Management Software, we help companies work more intelligently, creatively, and humanely optimizing the balance between profitability and people. As part of our Mid-Market Sales Team, you-ll manage the entire, complex sales process - handling everything from lead generation and process analysis to software presentation and closing deals (typically within 2-6 months). * Experience in Software or SaaS sales a plus
ATOSS Software SE - ATOSS Software SE is one of Germany-s most successful tech growth stories. As the market leader in Workforce Management Software, we help companies work more intelligently, creatively, and humanely optimizing the balance between profitability and people. As part of our Mid-Market Sales Team, you-ll manage the entire, complex sales process - handling everything from lead generation and process analysis to software presentation and closing deals (typically within 2-6 months). * Experience in Software or SaaS sales a plus
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Diagnose and resolve hardware, software, and network issues with a strong focus on root‑cause analysis
Diagnose and resolve hardware, software, and network issues with a strong focus on root‑cause analysis
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You have 3+ years of professional experience as a software engineer * You find joy in planning and discussing software infrastructure
You have 3+ years of professional experience as a software engineer * You find joy in planning and discussing software infrastructure
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Schnelle Bewerbung
As a Cybersecurity Engineer, you will support projects and teams in the field of secure software and system development. * Initial practical experience (internship, working student role or professional experience) in cybersecurity, software development or IT operations - o Secure software development
As a Cybersecurity Engineer, you will support projects and teams in the field of secure software and system development. * Initial practical experience (internship, working student role or professional experience) in cybersecurity, software development or IT operations - o Secure software development
DevSecOps Engineer (m/f/d) – Developer Platform
DevSecOps Engineer (m/f/d) – Developer Platform
Secunet Security Networks AG
Essen
Teilweise Home-Office
We're building a modern Platform (IDP) to enable secure, scalable, and efficient software delivery – and security & compliance is a first-class concern from day one. Your focus will be on embedding security into the entire Software Development Lifecycle (SSDLC), enabling secure-by-default development practices, and advancing our Zero Trust approach across infrastructure, tooling, and pipelines. * Knowledge of modern software supply chain security – e.g., SBOMs, SLSA, Sigstore and SAST / DAST
We're building a modern Platform (IDP) to enable secure, scalable, and efficient software delivery – and security & compliance is a first-class concern from day one. Your focus will be on embedding security into the entire Software Development Lifecycle (SSDLC), enabling secure-by-default development practices, and advancing our Zero Trust approach across infrastructure, tooling, and pipelines. * Knowledge of modern software supply chain security – e.g., SBOMs, SLSA, Sigstore and SAST / DAST
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Enrolled in a Master's program in Computer Science, Software Engineering, or a related field (must maintain status)
Enrolled in a Master's program in Computer Science, Software Engineering, or a related field (must maintain status)
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Business Solution Architect for Flexibility in Energy Retail (f/m/d)
Business Solution Architect for Flexibility in Energy Retail (f/m/d)
E.ON Digital Technology GmbH
Essen,Hannover,München,Berlin,Würzburg,Hamburg,Frankfurt am Main
Teilweise Home-Office
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Proven experience as a Solution Architect (f/m/d) with a strong technical foundation and hands‑on software development background
Proven experience as a Solution Architect (f/m/d) with a strong technical foundation and hands‑on software development background
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Proficiency in Office programs, Adobe Creative Cloud, and other relevant design software.
Proficiency in Office programs, Adobe Creative Cloud, and other relevant design software.
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Define and follow up performance validation plans for feature activations, software upgrades, parameter changes, and special network events.
Define and follow up performance validation plans for feature activations, software upgrades, parameter changes, and special network events.
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Schnelle Bewerbung
We are seeking a Software Engineer who will work closely with our , , and to create and maintain high quality applications and infrastructure for collecting and analysing data, and for locating and utilizing trading opportunities. The successful candidate will be driven to work in a dynamic and demanding environment on the forefront of the electronic trading industry, utilizing his/her software talent to the maximum.
We are seeking a Software Engineer who will work closely with our , , and to create and maintain high quality applications and infrastructure for collecting and analysing data, and for locating and utilizing trading opportunities. The successful candidate will be driven to work in a dynamic and demanding environment on the forefront of the electronic trading industry, utilizing his/her software talent to the maximum.
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Collaboration will be central to your success, working closely with I&C, Software Development, Security and Operations teams to deliver scalable solutions aligned with business objectives. * Collaborate closely with I&C, software, and cybersecurity teams to guarantee reliable, secure data exchange between sites and central control platforms, while providing expert 3rd-level support for network performance and incident resolution.
Collaboration will be central to your success, working closely with I&C, Software Development, Security and Operations teams to deliver scalable solutions aligned with business objectives. * Collaborate closely with I&C, software, and cybersecurity teams to guarantee reliable, secure data exchange between sites and central control platforms, while providing expert 3rd-level support for network performance and incident resolution.
Tackle some of the leading software and system issues in a multi-region large scale and highly dynamic environment. * Work experience in one or more of the following fields: Software Engineering, DevOps/Automation, designing reusable platforms, Web Infrastructure and Open Source.
Tackle some of the leading software and system issues in a multi-region large scale and highly dynamic environment. * Work experience in one or more of the following fields: Software Engineering, DevOps/Automation, designing reusable platforms, Web Infrastructure and Open Source.
We are building a Platform (IDP) to enable secure, scalable, and efficient software delivery — with security and compliance being top priorities from day one. As a Cloud Platform Engineer in our Platform Team, you will play a key role in developing and delivering cloud solutions that optimize the entire software development lifecycle. * Cloud platform engineering: Develop and implement automation processes for the deployment and operation of cloud software and services using platform engineering, infrastructure as code (e.g., Terraform), and Kubernetes. * Security and compliance: Integrate security measures and compliance checks into all aspects of cloud infrastructure and the software development process. * Expertise in developing cloud-native applications and automating security and compliance checks across the entire software development lifecycle.
We are building a Platform (IDP) to enable secure, scalable, and efficient software delivery — with security and compliance being top priorities from day one. As a Cloud Platform Engineer in our Platform Team, you will play a key role in developing and delivering cloud solutions that optimize the entire software development lifecycle. * Cloud platform engineering: Develop and implement automation processes for the deployment and operation of cloud software and services using platform engineering, infrastructure as code (e.g., Terraform), and Kubernetes. * Security and compliance: Integrate security measures and compliance checks into all aspects of cloud infrastructure and the software development process. * Expertise in developing cloud-native applications and automating security and compliance checks across the entire software development lifecycle.
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Strategy & Partnership Manager - Residential Flexibility Programme (f/m/d)
Strategy & Partnership Manager - Residential Flexibility Programme (f/m/d)
E.ON
Essen
Teilweise Home-Office
Drive ecosystem partnerships: Identify, structure, and initiate strategic partnerships across hardware, software, and service layers - from LOIs to integrated commercial models.
Drive ecosystem partnerships: Identify, structure, and initiate strategic partnerships across hardware, software, and service layers - from LOIs to integrated commercial models.
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By creating technical concepts and solution designs, you establish robust application security architecture practices, including secure software development lifecycles, static and dynamic application security testing and software composition analysis
By creating technical concepts and solution designs, you establish robust application security architecture practices, including secure software development lifecycles, static and dynamic application security testing and software composition analysis
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Senior Fullstack Developer (H/U/M/A/N) full-time
Senior Fullstack Developer (H/U/M/A/N) full-time
freshcells systems engineering GmbH
Düsseldorf
Teilweise Home-Office
Schnelle Bewerbung
freshcells systems engineering GmbH is a software service provider based in Düsseldorf with a dynamic team of over 40 creative experts from various fields. Join us on our exciting journey in what is probably the most important and forward-looking area - software development - as a Senior Fullstack Developer (m/f/d) in full-time onsite or remote. * Design and implementation of new features for sophisticated software solutions in cooperation with project management, design, and development departments * Hands-on experience with automated software testing * Knowledge of designing and adapting software to be twelve factor applications
freshcells systems engineering GmbH is a software service provider based in Düsseldorf with a dynamic team of over 40 creative experts from various fields. Join us on our exciting journey in what is probably the most important and forward-looking area - software development - as a Senior Fullstack Developer (m/f/d) in full-time onsite or remote. * Design and implementation of new features for sophisticated software solutions in cooperation with project management, design, and development departments * Hands-on experience with automated software testing * Knowledge of designing and adapting software to be twelve factor applications
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Technical Consultant - Sales & Client Success (m/f/d)
Technical Consultant - Sales & Client Success (m/f/d)
Pimcore Deutschland GmbH
Langenfeld
Teilweise Home-Office
Schnelle Bewerbung
Solid understanding of software architectures, APIs, integrations, and data modeling
Solid understanding of software architectures, APIs, integrations, and data modeling
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Senior Staff Application Engineer (SoC) (f/m/d)
Senior Staff Application Engineer (SoC) (f/m/d)
Renesas Electronics Europe GmbH
Düsseldorf
Teilweise Home-Office
This is an excellent opportunity to take a supporting role in growing high-visibility SOC and overall software product family. The role will enable a successful to support the customer deployment and improvement of overall system integrated, multi-party and in-house software stacks for automotive applications of ADAS/AD, Infotainment and zonal architectures. An ideal candidate should have a clear understanding and hands-on experience of embedded Software, Linux OS and embedded automotive ECUs for automotive SOCs to strengthen Renesas growth in automotive arenas such as (but not limited to) the zonal, ADAS, infotainment and automotive compute sectors. * Technical Support for software development of SoC (System-on-Chip) systems in leading edge Automotive Applications - You will have the opportunities to explore our hardware and software capabilities and try new things.
This is an excellent opportunity to take a supporting role in growing high-visibility SOC and overall software product family. The role will enable a successful to support the customer deployment and improvement of overall system integrated, multi-party and in-house software stacks for automotive applications of ADAS/AD, Infotainment and zonal architectures. An ideal candidate should have a clear understanding and hands-on experience of embedded Software, Linux OS and embedded automotive ECUs for automotive SOCs to strengthen Renesas growth in automotive arenas such as (but not limited to) the zonal, ADAS, infotainment and automotive compute sectors. * Technical Support for software development of SoC (System-on-Chip) systems in leading edge Automotive Applications - You will have the opportunities to explore our hardware and software capabilities and try new things.
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Student Internship / Thesis: Cleanroom Production Automation
Student Internship / Thesis: Cleanroom Production Automation
Nano4Imaging GmbH
Düsseldorf
Teilweise Home-Office
Our developments in MR-compatible devices and AI-software are helping shape the future of interventional radiology and cardiology.
Our developments in MR-compatible devices and AI-software are helping shape the future of interventional radiology and cardiology.
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Proficiency in MS Office software.
Proficiency in MS Office software.
Graphics Pipeline Architect Engineer (F/M/D)
Graphics Pipeline Architect Engineer (F/M/D)
Renesas Electronics Europe GmbH
Duesseldorf
Teilweise Home-Office
Schnelle Bewerbung
You will have the opportunities to explore our hardware and software capabilities and try new things.
You will have the opportunities to explore our hardware and software capabilities and try new things.
Bridge hardware solutions with related software solutions, requirements and tools - You will have the opportunities to explore our hardware and software capabilities and try new things.
Bridge hardware solutions with related software solutions, requirements and tools - You will have the opportunities to explore our hardware and software capabilities and try new things.