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Top Software Engineer Jobs in Cologne

Reposted 21 Days AgoSaved
In-Office or Remote
206 Locations
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
Train large-language models (LLMs) by evaluating, ranking, repairing, and refactoring code. Provide detailed feedback and maintain the RLHF pipeline.
Top Skills: Rust
Reposted 21 Days AgoSaved
In-Office or Remote
206 Locations
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
The Software Engineer will analyze, rank, and improve AI-generated code, providing feedback for reinforcement learning in a remote role.
Top Skills: C#
Reposted 21 Days AgoSaved
In-Office or Remote
206 Locations
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
The role involves training large-language models to improve code generation, reviewing and editing AI-generated code, and providing feedback for reinforcement learning refinement.
Top Skills: C++
Reposted 12 Days AgoSaved
Easy Apply
In-Office or Remote
33 Locations
Easy Apply
2K-2K Annually
Mid level
2K-2K Annually
Mid level
Cloud • Software
Canonical seeks open-source enthusiasts to optimize Ubuntu for new silicon technologies, collaborating with teams and customers to enhance software quality and performance across various platforms.
Top Skills: CC++DockerKubernetesLinux Distribution PackagingOciPerformance OptimizationPythonSecurity Best Practices
Reposted 13 Days AgoSaved
Easy Apply
28 Locations
Easy Apply
20K-90K Annually
Mid level
20K-90K Annually
Mid level
Cloud • Software
The Lead Golang Software Engineer develops server solutions, leads technical designs and code reviews, mentors colleagues, and ensures the quality of engineering practices in the Commercial Systems unit.
Top Skills: AICloudData ScienceGoIotPerformance EngineeringSecuritySoftware EngineeringUbuntu
Reposted 13 Days AgoSaved
Easy Apply
Remote
28 Locations
Easy Apply
Mid level
Mid level
Cloud • Software
The Python Software Engineer will develop and maintain test automation tools for hardware certification and improve Linux testing methods.
Top Skills: CCheckboxLinuxPythonUbuntu
Reposted 13 Days AgoSaved
Easy Apply
In-Office or Remote
33 Locations
Easy Apply
20K-20K Annually
Mid level
20K-20K Annually
Mid level
Cloud • Software
You will build and maintain container images, automate CI/CD processes, engage with the community, and mentor junior team members in a collaborative environment.
Top Skills: Concourse CiDockerGithub ActionsGoJenkinsKubernetesPython
Reposted 13 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 13 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 14 Hours 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 23 Days AgoSaved
In-Office or Remote
206 Locations
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
As a Software Engineer, you will help train large-language models in code evaluation and training, focusing on Ruby, with an emphasis on code review and improvement.
Top Skills: Ruby
Reposted 23 Days AgoSaved
In-Office or Remote
206 Locations
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
Train large-language models to improve code quality by comparing snippets, providing feedback, and refining AI-generated code. Requires strong communication skills and attention to detail.
Top Skills: C
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Reposted 23 Days AgoSaved
In-Office or Remote
206 Locations
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
Responsible for training large-language models by reviewing, ranking, and improving AI-generated code. Requires strong software engineering skills.
Top Skills: Java
24 Days AgoSaved
Hybrid
2 Locations
Junior
Junior
Big Data • Cloud • Information Technology • Software • Business Intelligence • Cybersecurity
Join a core SaaS platform team to build and maintain cloud-native microservices in Go. Work with containers, Terraform, Kubernetes, and cloud platforms, contribute to CI/CD and DevOps practices, troubleshoot distributed systems, and collaborate with global, cross-functional teams.
Top Skills: Go,Terraform,Kubernetes,Aws,Gcp,Azure,Ci/Cd,Devops,Containers,Microservices,Event-Driven Architecture,.Net,Databricks,Power Bi
Reposted 14 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
24 Days AgoSaved
In-Office or Remote
206 Locations
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
Train LLMs to produce production-grade code by comparing and ranking snippets, repairing and refactoring AI-generated code, and injecting reviewer feedback into the RLHF pipeline. Provide clear written justifications and spot logic, performance, and security issues while working remotely as a 1099 contractor.
Top Skills: Python
24 Days AgoSaved
In-Office or Remote
206 Locations
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
Review, rank, and improve AI-generated code across languages, focusing on Ruby. Repair/refactor code, provide detailed written justifications, and inject ratings/edits/test results into the RLHF pipeline to help train models.
Top Skills: Ruby
24 Days AgoSaved
In-Office or Remote
206 Locations
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
Evaluate and improve AI-generated code: compare and rank snippets, repair and refactor for correctness, efficiency, and style, and inject detailed feedback and test results into the RLHF training pipeline as an asynchronous remote contributor.
Top Skills: C#
24 Days AgoSaved
In-Office or Remote
206 Locations
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
Review, rank, and improve AI-generated code to train LLMs: compare implementations, repair/refactor for correctness, efficiency, and style, and provide detailed feedback for RLHF pipelines. Work asynchronously as a remote contractor, injecting ratings, edits, and test results to improve model outputs.
Top Skills: Rust
24 Days AgoSaved
In-Office or Remote
206 Locations
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
Evaluate, rank, repair, and refactor AI-generated code to improve correctness, efficiency, and style; provide detailed written feedback for RLHF pipelines; and help maintain the code-evaluation and training workflow remotely.
Top Skills: Java
24 Days AgoSaved
In-Office or Remote
206 Locations
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
Review, rank, repair, and refactor AI-generated code to improve correctness, performance, and style. Provide detailed written feedback and edits for RLHF pipelines, converting expert judgments into signals used to train models. Work asynchronously as a remote 1099 contractor.
Top Skills: C++
Reposted 2 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 15 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
3 Days AgoSaved
In-Office
2 Locations
Senior level
Senior level
Healthtech • Pharmaceutical • Manufacturing
As a Senior Software Engineer at Solventum, you'll design scalable architectures for a cloud-based analytical platform, lead product evolution, enhance predictive capabilities with machine learning, and collaborate with a diverse team to meet business needs.
Top Skills: .NetAws GlueAws LambdaC#JavaMicrosoft Sql ServerPythonSsis
Reposted 3 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
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