English-speaking FastAPI jobs in Berlin

Scientific Software Engineer (Lab Integration)

Berlin

Hybrid Full-time

Lab automation or scientific discovery workflow experience, production backend engineering, deep Python with API design, distributed systems with external integrations, security awareness, and a collaborative mindset. Bonus: …

Dagster, Prefect, Infrastructure as Code, Terraform, FastAPI, CI/CD

Software Engineer, Voice AI / Backend

Berlin

On-site Full-time Visa sponsorship Relocation support

Production experience building and owning distributed systems, with a track record of shipping product software and delivering projects end-to-end. Strong software fundamentals and experience with Python, FastAPI, or TypeScript …

Python, FastAPI, TypeScript, LLM, PostgreSQL, Redis

Product Engineer

Berlin

On-site Full-time Mid Visa sponsorship Relocation support

3+ YOE At least 3 years of professional software engineering experience, with production experience across frontend and backend development. Experience building and owning distributed systems, asynchronous or event-driven workflows, and …

Python, FastAPI, TypeScript, React, LLM, PostgreSQL

Backend / Systems Engineer, Agent Infrastructure

Berlin

On-site Full-time Mid

3+ YOE At least 3 years of backend engineering experience building and maintaining production services. Practical experience with Python and/or TypeScript/Node.js, and willingness to work across both. Experience with PostgreSQL or …

Python, TypeScript, PostgreSQL, FastAPI, LLM

Staff Data Scientist (m/f/d)

Berlin

Hybrid Full-time Lead

7+ YOE Experience: 7+ years of hands-on data science, or 4+ years after a PhD, with several models you designed running in production and a measured business effect you can name. Mathematical depth: you know the maths behind the methods …

SQL, Python, Spark, BigQuery, Snowflake, AWS

Sr. Backend Software Engineer (Python) (m/w/x)

Berlin

Full-time Senior

5+ YOE 5+ years of backend engineering, with Python in production as your main language, with comfort working 90% on the backend and 10% on the frontend. Hands-on experience with event-driven systems (Kafka or similar) and PostgreSQL. …

Python, Apache Kafka, PostgreSQL, REST, GraphQL, AWS

Product Engineer

Berlin

Hybrid Full-time Mid

4+ YOE

Python, FastAPI, Django, Flask, Node.js, React

Internship - AI/ML Engineering (m/f/x)

Berlin

Hybrid Internship

Excellent academic background in a quantitative discipline (computer science, machine learning, data science, financial mathematics,, engineering, physics, or a similar field) Currently pursuing a Bachelor’s or Master’s degree. …

AWS, Python, LLM, RAG, LangChain, OpenSearch

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

Backend Engineer (f/m/x)

Berlin

Hybrid Full-time

You write well-structured, maintainable and well-tested code in at least one modern programming language, such as Python, Go, Java, Ruby, JavaScript or TypeScript. We’re technology agnostic, so Python experience isn’t required, …

Python, Go, Java, Ruby, JavaScript, TypeScript

Software Engineer Internship for HPI Students

Berlin

Hybrid Internship

Taktile is a hybrid company that requires working 3 days/week from our Berlin HQ in Germany. Fluency in English, both written and spoken, is essential as we operate in a remote environment requiring clear and effective …

AWS, React, Python, FastAPI

Full-Stack & Mobile Engineer

Berlin

Remote Full-time

Experience: Any relevant experience in web or mobile development is welcome; we are open to junior, mid-level and senior candidates who demonstrate strong practical skills and a willingness to learn. Technical Skills: Required: …

Next.js, React, TypeScript, React Native, Swift, Tailwind CSS

Senior Software Engineer (Libra - Legal AI Assistant) (m/f/d)

Berlin

Hybrid Full-time Senior

5+ YOE Education Bachelor's degree preferred in Computer Science or Software Engineering or similar disciplines. Experience Minimum 5 years of relevant experience working within product software engineering. Strong experience with …

Python, FastAPI, TypeScript, Svelte, LLM, Agile

Software Engineer Intern

Berlin

Hybrid Internship Junior

Taktile is a hybrid company that requires working 3 days/week from our Berlin HQ in Germany or our Engineering Hub in Iasi, Romania. Fluency in English, both written and spoken, is essential as we operate in a remote environment …

AWS, React, Python, FastAPI

Senior Backend Engineer - Team Atlas

Berlin

Hybrid Full-time Senior

7+ YOE At least 7 years of professional software engineering experience, with a proven track record of leading complex projects in a senior capacity (2+ years). Deep expertise building backend systems on cloud platforms, we use AWS. …

AWS, Python, FastAPI, Apache Iceberg, Spark, Redis

Staff Product Engineer

Berlin

Full-time Lead

8+ YOE 8+ years of professional software development, delivering production systems end to end. Fluent in TypeScript or Python, or able to get there quickly. 5+ years leading the design and architecture of large-scale production systems …

TypeScript, Python, LLM, RAG, ISO 27001, SAP

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

Senior Full-Stack Engineer - Team Agent

Berlin

Hybrid Full-time Senior

Strong engineering fundamentals with a passion for simplicity and precision. Fluency in English, both written and spoken, is essential as we operate in an hybrid environment requiring clear and effective communication. Strong …

React, TypeScript, Python, REST, AWS, FastAPI

Full-Stack Engineer - Operations Engineering Team

Berlin

Hybrid Full-time

Python, React, TypeScript, PostgreSQL, Django, FastAPI

Product Engineer

Berlin

Hybrid Full-time Mid

4+ YOE Experience: Around 4 years of professional software engineering, with a track record of shipping in fast-paced, ambiguous environments. Regulated industry and/or VC-backed startup experiences are a plus. Product thinking: You …

Python, REST, LLM, FastAPI, AWS, AWS Lambda

Founding Engineer (Tech Lead)

Berlin

Hybrid Full-time Lead

8+ YOE Experience: Typically 8+ years of professional software engineering, with a track record of shipping in fast-paced, ambiguous environments. Regulated industry and/or VC-backed startup experiences are a plus. IC strength: A …

Python, REST, LLM, CI/CD, FastAPI, AWS

Senior Full-Stack Engineer - Team Platform

Berlin

Hybrid Full-time Senior

5+ YOE

IAM, React, Python, FastAPI, SOC, ISO 27001

Full Stack Engineer, ML Platform

Berlin

On-site Full-time

LLM, GitHub, SAP, JavaScript, Python, Google Cloud

Senior Data Scientist

Berlin

On-site Full-time Senior

Proven backend development skills in Python with experience building APIs, data pipelines, or ML infrastructure, and familiarity with tools like FastAPI, Docker, and cloud platforms (preferably GCP) Deep curiosity about how LLMs …

Python, FastAPI, Docker, Google Cloud, LLM, SQL

Senior Software Engineer

Berlin

Full-time Senior

7+ YOE 7+ years of experience as a software engineer Experience in Typescript, Node (ideally NestJS); or experience with comparable frameworks in other languages, and a willingness to learn and code in Typescript Experience with …

TypeScript, NestJS, Microservices, Kubernetes, Google Cloud, ISO 27001

Engineering, All

Berlin

On-site Full-time Relocation support

RAG, SQLite, LLM, Python, FastAPI, TypeScript

Staff Software Engineer

Berlin

Full-time Lead

10+ YOE A seasoned technical leader (typically 10–12+ years) with a track record of org-level or industry-level impact. Deeply experienced in enterprise-scale systems and multi-team architecture leadership. Equally comfortable flying …

ISO 27001, SAP, TypeScript, Node.js, React, Python

ML Engineer, Backend

Berlin

On-site Full-time Mid

3+ YOE

LLM, GitHub, SAP, CI/CD, Google Cloud, Infrastructure as Code