OpenAI API jobs in Berlin

Head of Data Science

Berlin

On-site Full-time Lead

8+ years in data science or machine learning, including 3+ years managing data scientists or ML engineers as direct reports, ideally at a high-growth startup or an established tech company A track record of building great teams: …

LLM, Google Cloud, Python, SQL, OpenAI API

Senior Data & AI Platform Engineer Remote

Berlin

Remote Full-time Senior

6+ YOE

Azure, Databricks, Python, Spark, SQL, RAG

AI Agent Builder (Claude/OpenAI) - Intern

Berlin

Hybrid Internship Junior

No explicit qualifications listed. The posting asks for hands-on building with Claude Code and OpenAI Agents. Office in Berlin-Mitte or remote.

OpenAI API, LLM

Senior AI Platform Engineer

Berlin

Full-time Senior

6+ YOE 6+ years of software engineering, with at least 2 years building production systems on top of LLMs or ML models. Strong backend skills in Python and/or C#/.NET, plus solid API and distributed systems design. Hands-on cloud …

LLM, Python, C#, Azure, OpenAI API, AKS

Senior AI Software Engineer (m/w/d)

Berlin

Full-time Senior

Mehrjährige Senior-Erfahrung im Full-Stack-Engineering moderner Webanwendungen mit tiefem Know-how in mindestens einem Frontend-Stack (React oder Angular) und einem Backend-Stack (Java/Spring Boot oder Python), idealerweise mit …

React, Angular, Java, Python, Spring Boot, C#

German-Speaking Senior Technical Architect

Berlin

Full-time Senior

Salesforce, IAM, OAuth, CI/CD, OpenAI API, Tableau

Senior Software Engineer / AI Enabler (m/f/d)

Berlin

Full-time Senior

5+ YOE Experience leveraging AI and Generative AI (GenAI) to enhance engineering productivity — including code generation, debugging, reviews, documentation, and decision support — with a proactive mindset toward adopting tools that …

PHP, Laravel, TypeScript, AWS, Azure, Google Cloud

Staff Engineer (m/f/d)

Berlin

Full-time Lead

8+ YOE At least 8 years of experience building and running software in production, including systems where errors cost real money Deep backend expertise at production scale in Java or a comparable language such as Kotlin, C# or Go, and …

Java, Kotlin, C#, Go, Spring Boot, Salesforce

Applied AI Engineer

Berlin

Hybrid Full-time

You are a seasoned software engineer with experience building and operating production applications. You are highly proficient in Python and/or Java and comfortable working across backend services, APIs, data, and application …

Python, Java, LLM, LangChain, LlamaIndex, RAG

AI Software Engineer – Python (m/f/x)

Berlin

Hybrid Full-time Relocation support

Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field Several years of professional software development experience with Python A generalist mindset with the ability to quickly learn, adapt …

Python, Docker, CI/CD, AWS, Infrastructure as Code, Terraform

Software Engineer (all genders) - Internal Tools & Integrations

Berlin

Hybrid Full-timePart-time

Full-Stack-Entwicklung: Du bringst fundierte Erfahrung in der modernen Webentwicklung mit und fühlst Dich sowohl im Frontend als auch im Backend zu Hause – insbesondere mit Vue.js/Nuxt.js, Typescript sowie Node.js oder …

Vue.js, TypeScript, Node.js, REST, LLM, OpenAI API

Staff Engineer

Berlin

Hybrid Full-time Lead

8+ YOE At least 8 years of experience building and running software in production, including systems where errors cost real money. Deep backend expertise at production scale in Java or a comparable language such as Kotlin, C# or Go, and …

Java, Kotlin, C#, Go, Spring Boot, Salesforce

Applied Researcher - Scientific AI

Berlin

Full-time Visa sponsorship Relocation support

We are looking first for depth in RL, agents, or post-training systems and the ability to acquire the relevant scientific context. Prior work in autonomous research, ML for science, scientific computing, or reproducible …

Python, Datadog, OpenAI API, LangChain, Cloudflare, Databricks

Staff Software Engineer - AI

Berlin

On-site Full-time Lead

6+ YOE This is the perfect role for an experienced engineer who wants to join an early stage company that builds a high impact applied AI product Bring 6+ years of experience as a Staff (full-stack) software engineer or Technical Lead, …

LLM, CI/CD, TypeScript, AWS, S3, Prefect

Senior Product Manager – Private Wealth: Growth & Expansion (m/w/d)

Berlin

On-site Full-time Senior

Background: 7+ years in Product Management, ideally in wealth management, private banking, FinTech or another trust-driven, advice-led domain. Experience building for internal expert users such as advisors, sales or service teams …

OpenAI API, Stripe, Databricks

Manager, Forward Deployed Engineering

Berlin

Full-time Senior

8+ YOE Experience level: 8+ years in software engineering, systems integration, DevOps, or data engineering roles with meaningful production responsibility. People leadership: proven ability to lead and develop engineers (e.g., formal …

Kubernetes, Infrastructure as Code, ISO 27001, SAP, TypeScript, Node.js

Senior Product Engineer (Full Stack)

Berlin

Hybrid Full-time Senior

5+ YOE At least 5 years of experience building and running software in production, with real users and real consequences when it fails. Strong backend skills at production scale in Java or a comparable language such as Kotlin, C# or Go, …

Java, Kotlin, C#, Go, Spring Boot, PostgreSQL

Senior AI Engineer

Berlin

Hybrid Full-time Senior

Strong Python and backend engineering skills, with experience maintaining and evolving production systems. Hands-on experience shipping LLM applications and improving them after launch. Hands-on experience with all three: …

Python, LLM, SQL, OpenAI API, PostgreSQL, pgvector

Spezialist Prozessautomatisierung & KI (m/w/d)

Berlin

Full-time

Abgeschlossenes Studium oder vergleichbare Qualifikation in einem technischen oder IT-nahen Fachgebiet, z. B. Ingenieurwesen, Informatik, Wirtschaftsinformatik oder Automatisierungstechnik Mehrjährige praktische Erfahrung in der …

Python, REST, SQL, Azure, OpenAI API, LLM

Forward Deployed Engineer

Berlin

On-site Full-time Mid

3+ YOE We are looking for a software engineer who ships production software and is equally at home in a customer's meeting room. You may be a strong fit if you have: Relevant background: 3+ years as a software engineer shipping …

TypeScript, Node.js, React, PostgreSQL, LLM, Vite

Senior Full-Stack Product Engineer

Berlin

Remote Full-time Senior

LLM, Stripe, OpenAI API, Python, FastAPI, React

Product Engineer

Berlin

Remote Full-time

LLM, Stripe, OpenAI API, Python, FastAPI, React

Senior Software Engineer

Berlin

Remote Full-time Senior

LLM, Stripe, OpenAI API, Python, FastAPI, React

Working Student – AI & Operations

Berlin

Remote Working student Junior

Essential Skills & Qualifications: Fluent in German. Currently enrolled as a student in Computer Science, Data Science, Engineering, or a related technical field. Basic programming skills (e.g., Python) to build lightweight …

Python, LLM, OpenAI API, Vertex AI

Founding AI Engineer @handly - 20VC backed

Berlin

On-site Full-time Mid

4+ YOE Have 4+ years of full-stack engineering experience (exceptions apply for exceptional engineers) You have shipped AI features that real users depend on, and continiously evloved them. Strong full-stack TypeScript comfortable …

TypeScript, LLM, Node.js, PostgreSQL, React, Vite

Senior Backend Engineer

Berlin

On-site Full-time Senior

5+ YOE 5+ years of backend, platform, infrastructure, or distributed systems engineering experience in a production environment. Deep hands-on TypeScript experience. We run TypeScript services on Bun, and we care about people who can …

TypeScript, Google Cloud, Kubernetes, RabbitMQ, Redis, PostgreSQL

AI Engineer (m/w/d) Dealflow

Berlin

Full-time Mid

2+ YOE Du hast eigene Tools und Automatisierungen programmiert, die produktiv im Einsatz waren, nicht nur Prototypen und Demos. Du bringst mindestens 2 bis 3 Jahre Erfahrung im Aufbau skalierbarer daten- und AI-basierter Produkte/Tools …

Python, Docker, Azure, LLM, OpenAI API

Senior Software Engineer - AI Foundations

Berlin

Hybrid Full-time Senior

AI engineering: Pydantic AI, LiteLLM, LangChain, MCP servers Knowledge and retrieval: RAG, search, embeddings, knowledge graphs Evals and safety: Inspect AI, Ragas, OpenAI Evals, NeMo Guardrails, red teaming Platform: Kubernetes, …

LangChain, RAG, OpenAI API, Kubernetes, AWS, Django

Principal Software Engineer (TypeScript, Backend‑Heavy)

Berlin

On-site Full-time Lead

You’ve solved complex problems in production – e.g. scaling bottlenecks, reliability issues, tricky data/architecture trade-offs. Strong TypeScript + Node.js backend experience in larger codebases, with a focus on building and …

TypeScript, Node.js, PostgreSQL, Docker, Kubernetes, Azure

Engineering Manager - AI Engineering & AI Platform (m/f/x)

Berlin

Hybrid Full-time Relocation support

A university degree in a relevant field, such as Computer Science, Software Engineering, Mathematics, Natural Sciences, or a comparable qualification Previous experience in software engineering, backend engineering, platform …

LLM, Python, Docker, CI/CD, Infrastructure as Code, AWS