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Top Software Engineer Jobs in Cologne

Reposted 18 Days AgoSaved
Easy Apply
Remote
28 Locations
Easy Apply
Mid level
Mid level
Cloud • Software
Develop and enhance dqlite, a distributed SQLite database, including debugging, implementing features, and engaging with the open source community.
Top Skills: CGoRaft
Reposted 18 Days AgoSaved
Easy Apply
28 Locations
Easy Apply
Senior level
Senior level
Cloud • Software
Lead Python Software Engineer responsible for developing solutions, collaborating on designs, mentoring team members, and enhancing engineering practices.
Top Skills: AirbytePythonRangerTemporalTrino
Reposted 5 Days AgoSaved
Easy Apply
In-Office
Köln, Nordrhein-Westfalen, DEU
Easy Apply
Senior level
Senior level
Software • Sports • Wearables • Analytics
Design, build and maintain full-stack systems for data ingestion, video processing, backend services and Angular front-ends. Implement database schemas, optimize queries, participate in architecture, collaborate with Product/Design, and support data collection workflows and customer support.
Top Skills: AngularGitJavaJavaScriptKotlinSpring BootSQLTypescript
Reposted 19 Days AgoSaved
Easy Apply
Remote
Germany
Easy Apply
Junior
Junior
Database • Analytics
As a Core Software Engineer, optimize performance in the ClickHouse database, collaborate on performance testing, support debugging, and engage with the open-source community.
Top Skills: C++Cloud InfrastructureKubernetesPerformance EngineeringSQLUnix Systems
Reposted 7 Days AgoSaved
In-Office or Remote
31 Locations
Senior level
Senior level
Artificial Intelligence • Enterprise Web • Software
Responsible for building scalable distributed systems, mentoring teammates, innovating on technical solutions, and improving team processes. Requires expertise in backend languages, especially Golang and Typescript.
Top Skills: GoNode.jsTypescript
Reposted 20 Days AgoSaved
Easy Apply
Remote
Germany
Easy Apply
Senior level
Senior level
Database • Analytics
Join the Billing Engineering team to build ClickHouse Cloud's billing platform, integrating with diverse systems and ensuring reliability, scalability, and security.
Top Skills: EcsMongodbNode.jsReactServerlessSqsTypescript
Reposted 8 Days AgoSaved
In-Office
Hömel, Oberbergischer Kreis, Nordrhein-Westfalen, DEU
Senior level
Senior level
Software
Lead the development of a product's scope, mentor developers, design, implement features, and improve processes for quality in a collaborative environment.
Top Skills: C++EbpfLinux
Reposted 22 Days AgoSaved
Easy Apply
In-Office or Remote
32 Locations
Easy Apply
20K-200K Annually
Junior
20K-200K Annually
Junior
Cloud • Software
The role involves designing and implementing features, debugging, maintaining documentation, and collaborating with the community in the Mir graphics stack.
Top Skills: C++FlutterLinuxOpenglRustVulkan
Reposted 22 Days AgoSaved
Remote
6 Locations
Senior level
Senior level
Information Technology • Software
Seeking an experienced AWS Software Engineer to help migrate services to a new platform, focusing on reliability, scalability, and security, while managing CI/CD pipelines and infrastructure.
Top Skills: AnsibleAWSCdkDockerJenkinsLinuxNode.jsReactTypescript
Reposted 22 Days AgoSaved
28 Locations
Mid level
Mid level
Healthtech • Software
As a Software Engineer, you will build and develop the Mindly product, focusing on user needs, implementing reliable code, and collaborating with cross-functional teams.
Top Skills: Express.JsNest.JsNode.jsReactRedux ToolkitTypescript
Reposted 6 Days AgoSaved
Easy Apply
Remote
29 Locations
Easy Apply
Senior level
Senior level
Cloud • Software
Develop and enhance MAAS core components, improve architecture, collaborate across teams, and ensure high standards in documentation and CI practices.
Top Skills: DhcpDnsGoKvmLxcNtpPxePythonReactTftpTypescript
Reposted 7 Hours AgoSaved
Remote
DEU
144K-232K Annually
Senior level
144K-232K Annually
Senior level
Artificial Intelligence • Information Technology • Software • Automation
The Senior Software Engineer will design and maintain backend services for a distributed streaming platform, lead engineering initiatives, and collaborate with various teams to drive platform evolution.
Top Skills: Ci/CdCloud ComputingDevOpsDistributed SystemsJava
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Reposted 7 Hours AgoSaved
Remote
4 Locations
Senior level
Senior level
Information Technology • Software • Cybersecurity
Join Filigran as a Senior Software Engineer to develop a scalable XTM Suite platform using TypeScript and Python. You'll focus on architecture and community engagement while innovating cybersecurity solutions.
Top Skills: PythonTypescript
Reposted 7 Hours AgoSaved
Easy Apply
Remote
28 Locations
Easy Apply
Senior level
Senior level
Artificial Intelligence • Information Technology • Software
Design and build key features for an AI coding platform, focusing on user experience and product growth in a collaborative environment.
Top Skills: Next.JsNode.jsReactTypescript
Reposted YesterdaySaved
Remote
Germany
Mid level
Mid level
Software
Work on the leading open-source vector map rendering engine, focusing on graphics programming, algorithms, and improving rendering efficiency. Collaborate to solve technical challenges and experiment with new visualization techniques.
Top Skills: C++MetalOpenglTypescriptVulkanWebglWebgpu
Reposted 24 Days AgoSaved
Remote
2 Locations
Senior level
Senior level
Cloud • Information Technology • Internet of Things
The (Senior) Software Engineer will develop and manage SIM-related initiatives, optimize processes, and work on applications for global IoT connectivity.
Top Skills: AWSJavaMySQLPostgresPythonTerraformTypescript
2 Days AgoSaved
Remote
Germany
Senior level
Senior level
Artificial Intelligence • Information Technology • Software • Industrial • Automation
The Senior Software Engineer will design and develop scalable backend systems, manage event-driven architectures, and collaborate in Agile teams. Responsibilities include coding with Node.js, Java/Kotlin, building APIs, and managing CI/CD pipelines.
Top Skills: Apache KafkaDockerElasticsearchGithub ActionsJavaKotlinKubernetesMongoDBNestjsNode.jsOwaspPostgresRedisSonarqubeSpring BootWindows Server
Reposted 2 Days AgoSaved
Remote
6 Locations
Senior level
Senior level
Hardware • Information Technology • Other • Software • Analytics
As a Senior Developer, you'll contribute to architecture, design, and development of core platform products, drive innovation, and maintain applications.
Top Skills: AmqAngularFlywayGwtGxtHibernateJavaJpaKafkaMavenRest ApisSolrSpringSpring Boot
Reposted 2 Days AgoSaved
Easy Apply
Remote
Germany
Easy Apply
68K-91K Annually
Senior level
68K-91K Annually
Senior level
Internet of Things
As a Senior Engineer, contribute to Mozilla's localization projects, develop Python and JavaScript libraries, and support internationalization features across Mozilla products.
Top Skills: DjangoJavaScriptPython
3 Days AgoSaved
In-Office or Remote
2 Locations
Junior
Junior
eCommerce • Fintech • Information Technology • Software
As a Backend Developer, you will design, implement, and maintain software on Windows systems, writing primarily in Rust and managing legacy code in C++. Collaborate with teams to ensure integration and participate in agile development processes.
Top Skills: C++Rust
3 Days AgoSaved
Remote or Hybrid
2 Locations
Mid level
Mid level
Software
Develop embedded software for optical transceiver modules, focusing on DSP and ARM systems, including driver software and algorithms.
Top Skills: ArmBitbucketCC++DspEclipseGerritGitPythonRtosVisual Studio Code
Reposted 3 Days AgoSaved
Remote
6 Locations
Senior level
Senior level
Blockchain • Fintech • Software • Financial Services • Cryptocurrency • Web3
As a Senior Blockchain Engineer, you will design and optimize smart contracts and blockchain infrastructure, collaborate with teams to ensure secure solutions, and lead development efforts in the DeFi ecosystem. You will analyze technologies, mentor staff, and enhance performance while maintaining security best practices.
Top Skills: FoundryHardhatRustSolidityTypescriptYul
4 Days AgoSaved
Remote
15 Locations
Senior level
Senior level
Blockchain • Financial Services • Cryptocurrency • Web3
Design, develop, and maintain mobile applications using React Native, focusing on user onboarding and experience optimization while mentoring other engineers and influencing technical strategies.
Top Skills: Api DesignFrontend Testing FrameworksJavaScriptNext.JsReact NativeTypescriptWebsockets
4 Days AgoSaved
In-Office or Remote
17 Locations
Senior level
Senior level
Blockchain • Financial Services • Cryptocurrency • Web3
As a Senior Software Engineer at Kraken, you will collaborate with teams to develop onchain services, optimize applications, and mentor engineers, focusing on blockchain and DeFi technologies.
Top Skills: GraphQLNode.jsReactReact NativeRestful ApisSQLTypescriptWebsockets
Senior level
Blockchain • Financial Services • Cryptocurrency • Web3
As a Senior Software Engineer at Kraken, you will design and maintain backend systems, SDKs, and APIs, enabling efficient growth engineering. You will improve internal tools, enhance developer workflows, and ensure system reliability across multiple teams.
Top Skills: DockerGitlab Ci/CdGoKubernetesMariadbMySQLPythonRedisRubyRustTerraformTypescript
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