636 English-speaking jobs in Berlin
Senior Software Engineer (SDK)
- Langfuse
- berlin
- June 19
Senior Software Engineer (SDK) will own and improve Python and TypeScript SDKs, ensuring reliability, performance, and developer experience. Responsibilities include designing APIs, integrating with AI frameworks, and maintaining OpenTelemetry endpoints. Experience with SDKs, client libraries, and performance optimization is required.
Senior Product Engineer (Integrations)
- Langfuse
- berlin
- June 19
Senior Product Engineer (Integrations) will build and maintain framework integrations for Langfuse, an open-source LLM engineering platform. Responsibilities include designing integration patterns, contributing to SDKs, writing documentation, and engaging with the developer community. Strong Python and/or TypeScript skills, a passion for the LLM ecosystem, and experience with open source are required.
Senior Backend Engineer (Data Infrastructure)
- Langfuse
- berlin
- June 19
Own and scale the infrastructure behind the most widely adopted open source LLM engineering platform. Process terabytes of AI tracing data per day for thousands of AI teams. Optimize ClickHouse data models and queries for fast dashboards and build backend abstractions for data-heavy features.
Senior Product Engineer (Growth)
- Langfuse
- berlin
- June 19
Senior Product Engineer (Growth) will drive Langfuse's growth by understanding user behavior, building data pipelines, and iterating on product features to improve onboarding, activation, and adoption. Responsibilities include experimenting with new growth loops, collaborating with engineers and designers, and analyzing user data to identify opportunities for improvement. Must-haves include a drive to learn, experience in full-stack development, SQL skills, and the ability to think like a user.
Senior Backend Engineer (IAM and Billing)
- Langfuse
- berlin
- June 19
Senior Backend Engineer will design and build authentication, authorization, and billing systems for a platform used by Fortune 50 companies. Responsibilities include managing user access, implementing fine-grained permissions, and developing usage-based billing infrastructure.
Senior Product Engineer
- Langfuse
- berlin
- June 19
Senior Product Engineers at Langfuse build and ship user-facing features end-to-end for an open-source LLM engineering platform. Responsibilities include understanding user problems, designing solutions, writing code and documentation, and presenting features to the community. Experience building products, managing projects, and a passion for developer experience are required.
Pizzaiolo (m/f/d)
- Restaurant MINA
- Berlin
- June 19
Postdoctoral Researcher (m/f/d) Self-Driving Lab for the Discovery of Novel Catalyst Materials
- Helmholtz-Zentrum Berlin für Materialien und Energie GmbH
- Berlin
- June 19
Barista - 50% to 70% part-time role in Berlin-Schöneberg (gn)
- Simplify Places GmbH (operator of ATworld)
- Berlin
- June 19
Barista Mini-Job - 6 to 8 hours per week in Berlin-Schöneberg (gn)
- Simplify Places GmbH (operator of ATworld)
- Berlin
- June 19
Procurement Engineering Manager (m/w/d)
- Zenjob SE
- Berlin
- June 19
Lead our Supply engineering team, shaping the roadmap and ensuring predictable, high-quality delivery. Guide system design, review code, and contribute to operational excellence. Hire and onboard engineers, collaborate with stakeholders, and drive the supply side of the marketplace.
Head of Data (Analytics or Science)
- Zenjob SE
- Berlin
- June 19
Lead and mature Zenjob's data and analytics function, integrating AI into daily workflows and optimizing the platform. Manage the data roadmap, prioritize high-impact initiatives, and collaborate with stakeholders to build a reliable data ecosystem.
Head of Data Science & Analytics
- Zenjob SE
- Berlin
- June 19
Lead and mature Zenjob's data and analytics function, integrating AI into daily workflows and optimizing the platform. Manage the roadmap for data initiatives, ensuring measurable value for the company. Collaborate with data, engineering, and business stakeholders to build a reliable data ecosystem.
Procurement manager, engineering manager
- Zenjob SE
- Berlin
- June 19
Lead the Supply engineering team, shaping the roadmap and ensuring predictable, high-quality delivery. Guide system design, review code, and contribute to continuous improvement. Hire and onboard engineers, collaborate with stakeholders, and advocate for AI-driven engineering practices. Several years of experience leading software engineers in a product-led B2C or marketplace environment is required.
PhD Student (f/m/d) for the Investigation of Quantum Magnets
- Helmholtz-Zentrum Berlin für Materialien und Energie GmbH
- Berlin
- June 19
Postdoctoral Researcher (f/m/d) for the Investigation of Quantum Magnets
- Helmholtz-Zentrum Berlin für Materialien und Energie GmbH
- Berlin
- June 19
Junior Copywriter English part time (m/f/x)
- Carhartt Work In Progress
- Berlin
- June 19
Make Up Artist (m/f/x) Berlin Alexanderplatz in Full Time or Part Time
- Sephora
- Berlin
- June 19
Beauty Advisor (m/f/x) Berlin Alexanderplatz in Full Time or Part Time
- Sephora
- Berlin
- June 19
Staff Design Engineer, EU
- Ashby
- berlin
- June 19
Design and build software products with a focus on user experience. Responsibilities include redesigning a mobile web application, developing components, and collaborating with cross-functional teams.
































































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