freelancer python Jobs in Berlin

Principal Python Engineer — ML Infrastructure (AI Training) About The Role What if your Python expertise could directly shape the infrastructure that powers the most advanced AI systems in the world? We're looking for a Principal Python Engineer in Berlin to design and build the data pipelines, annotation tooling, and evaluation systems that leading AI...

About the role Help train and evaluate AI agents that work inside a real CAD environment on long engineering tasks, work that would take an expert 10–15 hours. You'll design part geometry, build reference solutions, and judge the agent's attempts. You'll work alongside CFD engineers who simulate the geometry you build.RequirementsA degree in Mechanical or...

Freelance Data Scientist (M/F/D) (Temporary Role) Location: Berlin Are you a skilled Python and SQL user with a strong analytical background and experience in building high-quality prediction models? Are you passionate about uncovering insights from data and applying them to real-world financial challenges? Then you might be the Data Scientist we're looking...

Freelance Data Scientist (M/F/D) (Temporary Role) Location: Berlin Are you a skilled Python and SQL user with a strong analytical background and experience in building high-quality prediction models? Are you passionate about uncovering insights from data and applying them to real-world financial challenges? Then you might be the Data Scientist we're looking...

About the role Help train and evaluate AI agents on expert-level fluid simulation tasks. You'll take CAD geometry, set up and run simulations, build verified reference solutions, and write Python checks for the agent's results.RequirementsA degree in Mechanical or Aerospace Engineering, or a related field such as energy or oil & gas. A PhD is preferred but...

Ready to become part of the most important mission on this planet? We are rebuy, pioneers in the sustainable reuse of electronics and media, and we are looking for you! Our mission: to make circular living accessible to all, one transaction at a time. By giving products a second chance, we reduce resource consumption and avoid unnecessary e-waste.Our global...

Freelance Data Scientist (M/F/D) (Temporary Role)Location: BerlinAre you a skilled Python and SQL user with a strong analytical background and experience in building high-quality prediction models? Are you passionate about uncovering insights from data and applying them to real-world financial challenges? Then you might be the Data Scientist we're looking...

Join the Digital Career Institute & Social Impact School Das DCI und die Impact School gehören zusammen.Als gemeinsamer Player sind wir am Bildungsmarkt aktiv, um tausenden von Menschen in einen beruflichen Neustart zu verhelfen.Werde Teil des Digital Career Institute (DCI) - wir sind einer der führenden Anbieter für digitale Weiterbildungen in...

About the role Help train and evaluate AI agents that work inside a real CAD environment on long engineering tasks, work that would take an expert 10–15 hours. You'll design part geometry, build reference solutions, and judge the agent's attempts. You'll work alongside CFD engineers who simulate the geometry you build.RequirementsA degree in Mechanical or...

Our story: Every year millions of people are either filing their taxes in fear or giving up on their tax refund altogether. We're working on fixing that. Our intuitive app enables anyone, regardless of education or background, to file their taxes with newfound confidence. Spread across Germany, Spain and the UK, the team at Taxfix Group with its brands...

Valentum Engineering hat seine Wurzeln in der Automobilindustrie. Inzwischen haben wir uns aber auch in der Industrie erfolgreich etabliert. Hier unterstützen wir unsere Kunden bei der Entwicklung intelligenter Software- und Hardwarelösungen in den Bereichen Automatisierungs-, Antriebs- und Regelungstechnik. Dabei sind wir in allen Entwicklungsphasen...

Senior AI Engineer — Document Intelligence Berlin 1 gün 3 dakika önce yayınlandı. Freelancer / indepedent contractor, freelance, professional / experienced Arbeitnow - About Tracium Tracium builds AI-assisted technical documentation software that turns complex manuals and engineering documents into structured, traceable information. Our initial focus...

The opportunity As our Staff Systems Engineer within the IT & Infrastructure team, you'll be responsible for keeping the enterprise systems that power Taxfix running reliably, securely, and intelligently — from cloud infrastructure and identity management to network, device, and application performance. Reporting to our Director of IT & Infrastructure, and...

About The Role What if your machine learning expertise could directly influence how the most advanced AI systems in the world think, reason, and write code? We're looking for experienced ML engineers in Berlin to evaluate AI-generated machine learning solutions — catching errors, improving quality, and helping frontier AI models get genuinely better at...

About The Role What if the code you write could directly power the AI systems shaping how millions of people interact with technology? We're looking for Back End Developers in Berlin to design, build, and optimize the server-side systems and APIs that drive cutting-edge AI products — from data pipelines and model-serving infrastructure to scalable...

About The Role What if the code you write could directly shape how the next generation of AI understands and generates software? We're looking for Software Engineers in Berlin to build, evaluate, and improve AI-generated code — helping train AI systems to think like real developers. You'll write solutions, review AI outputs, and provide the expert-level...

About the role Help train and evaluate AI agents on expert-level fluid simulation tasks. You'll take CAD geometry, set up and run simulations, build verified reference solutions, and write Python checks for the agent's results.RequirementsA degree in Mechanical or Aerospace Engineering, or a related field such as energy or oil & gas. A PhD is preferred but...

Ready to become part of the most important mission on this planet? We are rebuy, pioneers in the sustainable reuse of electronics and media, and we are looking for you! Our mission: to make circular living accessible to all, one transaction at a time. By giving products a second chance, we reduce resource consumption and avoid unnecessary e-waste. Our global...

Senior Software Engineer — Agentic Coding (AI Training) About The Role What if your software engineering expertise could define how the next generation of AI writes, debugs, and ships code on its own? We're looking for Senior Software Engineers in Berlin to work at the frontier of agentic AI — building, evaluating, and improving autonomous coding...

Structural Engineer — AI Task Creator About The Role What if your expertise in structural analysis and seismic design could teach AI to think like an engineer? We're looking for structural and civil engineers across Germany and the wider European region to design, create, and evaluate AI training tasks rooted in real-world structural engineering...