176 to 200 of 322 FastAPI Jobs in London

servers for large-scale MMO games, high-traffic web systems, or applications. Experienced with Python and its ecosystem (libraries, frameworks, etc.), familiarity with web frameworks such as Flask, Tornado, FastAPI, or another similar web framework and Python threading, as well as the principles of async programming. Familiar in design and implementation of highly-scalable, reliable, and secure systems using Redis More ❯

decisions. OUR TECH STACK Our teams build loosely coupled microservices, enabling fast, autonomous development. Our architecture prioritizes scalability, security, and resilience, ensuring seamless financial transactions. We use: Backend: Python, FastAPI, Flask Databases: PostgreSQL Messaging: Kafka, AWS SQS/SNS Infrastructure: Kubernetes (EKS), AWS Frontend: Flutter (Mobile), Angular and React (Web) WHAT YOU'LL GET IN RETURN Our location-specific employee More ❯

evolving technologies. Self-sufficient ability to translate business needs into technical requirements and solution architecture for complex AI systems. Strong experience building and consuming API services in Python, using FastAPI or similar. Strong experience with LLM frameworks such as langchain, Pydantic-AI, Google ADK, OpenAI's Assistants, litellm, etc (it's not required to know them all), and an understanding More ❯

related field preferred. Highly preferred: Experience with TDD, BDD or other testing methodologies Preferred: Familiarity with PostgreSQL and Snowflake Preferred: Familiarity with Web Frameworks such as Django, Flask or FastAPI Preferred: Familiarity with event streaming platforms such as Apache Kafka Preferred: Familiarity with data pipeline platforms such as Apache Airflow Preferred: Familiarity with Java Preferred: Experience in one or more More ❯

or Snowflake), step-functions (Preferred) Experience with building and supporting cloud based ETL (Extract Transform Load) Data Pipelines Good to have working experience on RESTful API frameworks (Flask/FastAPI), Messaging Queue service (Kafka) Should be able to work on a problem independently and prepare client ready deliverable with minimal or no supervision Experience with working in an agile environment More ❯

the application of technology. At least 2 years experience leading and managing engineers across multiple teams. Experience working with the following (or similar) technologies: React/Typescript, Python/fastAPI, Postgres DB, Data pipelines. Comfortable working in a build it, run it environment (GCP, cloud run, grafana, k8s) - or similar. Strong leadership skills with the ability to mentor and coach More ❯

for engineers who want to build critical backend systems and shape the future of sustainable transport with clean, elegant code. What You’ll Be Doing: Developing fullstack solutions using FastAPI and React.js Designing scalable RESTful APIs and microservices Collaborating with product and UX teams to deliver a seamless user experience Mentoring junior engineers and shaping best practices across the codebase … Skills and Technologies: Python , FastAPI , React , TypeScript Docker, Terraform, AWS Why This Role? Work on greenfield systems with considerable real-world impact Excellent compensation, benefits, and learning opportunities Interested? Ready to dive into clean, backend-heavy engineering work with purpose? Apply now or message Ionut Roghina on [emailprotected] for more info. #J-18808-Ljbffr More ❯

Python/FastAPI Backend Engineer Opportunity! ???? Location: Fully Remote Department: Software Development Salary: Up to £80,000 + Bens Are you ready to make a significant impact in the world of clinical research? This business is on the lookout for a talented Python/FastAPI Backend Engineer to join their innovative team. This is your chance to contribute to developing … and DevOps Engineers. Your mission? To design, implement, and maintain robust microservices that facilitate clinical research. Key Responsibilities: API Development: Design and implement REST APIs using Python (3.x) and FastAPI/Pydantic. Database Management: Develop relational schema designs, ORM, and database migration scripts (PostgreSQL). Dependency Management: Manage package dependency tools. Containerization: Containerize microservices with Docker. Collaboration: Work closely with … on CI pipelines. Agile Participation: Actively engage in Agile ceremonies. What We're Looking For: Technical Expertise: Extensive experience in designing and implementing REST APIs using Python (3.x) and FastAPI (Pydantic schema). Testing Proficiency: Skilled in writing unit and API tests. API Integration: Experience in developing clients for consuming external REST APIs. Security Knowledge: Understanding of API and data More ❯

Python/FastAPI Backend Engineer Opportunity! Location: Fully Remote Department: Software Development Salary: Up to £80,000 + Bens Are you ready to make a significant impact in the world of clinical research? This business is on the lookout for a talented Python/FastAPI Backend Engineer to join their innovative team. This is your chance to contribute to developing … and DevOps Engineers. Your mission? To design, implement, and maintain robust microservices that facilitate clinical research. Key Responsibilities: API Development: Design and implement REST APIs using Python (3.x) and FastAPI/Pydantic. Database Management: Develop relational schema designs, ORM, and database migration scripts (PostgreSQL). Dependency Management: Manage package dependency tools. Containerization: Containerize microservices with Docker. Collaboration: Work closely with … on CI pipelines. Agile Participation: Actively engage in Agile ceremonies. What We're Looking For: Technical Expertise: Extensive experience in designing and implementing REST APIs using Python (3.x) and FastAPI (Pydantic schema). Testing Proficiency: Skilled in writing unit and API tests. API Integration: Experience in developing clients for consuming external REST APIs. Security Knowledge: Understanding of API and data More ❯

Python/FastAPI Backend Engineer Opportunity! Location: Fully Remote Department: Software Development Salary: Up to £80,000 + Bens Are you ready to make a significant impact in the world of clinical research? This business is on the lookout for a talented Python/FastAPI Backend Engineer to join their innovative team. This is your chance to contribute to developing … and DevOps Engineers. Your mission? To design, implement, and maintain robust microservices that facilitate clinical research. Key Responsibilities: API Development: Design and implement REST APIs using Python (3.x) and FastAPI/Pydantic. Database Management: Develop relational schema designs, ORM, and database migration scripts (PostgreSQL). Dependency Management: Manage package dependency tools. Containerization: Containerize microservices with Docker. Collaboration: Work closely with … on CI pipelines. Agile Participation: Actively engage in Agile ceremonies. What We're Looking For: Technical Expertise: Extensive experience in designing and implementing REST APIs using Python (3.x) and FastAPI (Pydantic schema). Testing Proficiency: Skilled in writing unit and API tests. API Integration: Experience in developing clients for consuming external REST APIs. Security Knowledge: Understanding of API and data More ❯

Python/FastAPI Backend Engineer Opportunity! Location: Fully Remote Department: Software Development Salary: Up to £80,000 + Bens Are you ready to make a significant impact in the world of clinical research? This business is on the lookout for a talented Python/FastAPI Backend Engineer to join their innovative team. This is your chance to contribute to developing … and DevOps Engineers. Your mission? To design, implement, and maintain robust microservices that facilitate clinical research. Key Responsibilities: API Development: Design and implement REST APIs using Python (3.x) and FastAPI/Pydantic. Database Management: Develop relational schema designs, ORM, and database migration scripts (PostgreSQL). Dependency Management: Manage package dependency tools. Containerization: Containerize microservices with Docker. Collaboration: Work closely with … on CI pipelines. Agile Participation: Actively engage in Agile ceremonies. What We're Looking For: Technical Expertise: Extensive experience in designing and implementing REST APIs using Python (3.x) and FastAPI (Pydantic schema). Testing Proficiency: Skilled in writing unit and API tests. API Integration: Experience in developing clients for consuming external REST APIs. Security Knowledge: Understanding of API and data More ❯

ship game-changing AI features at lightning speed—with an unbeatable experience building on Vercel. You’ll be hands-on with our Next.js/TypeScript frontend and Python/FastAPI backend, and you’ll collaborate closely with our AI team to integrate cutting-edge LLMs and multi-agent systems. If you thrive on rapid iteration, technical ownership, and shaping engineering … Work in a fast-paced, venture-backed environment where your ideas shape the product. Ownership: Drive technical decisions and mentor a growing team. Modern stack: Next.js, React, TypeScript, Python, FastAPI, PostgreSQL, Vercel (V0 & AI SDK), GCP. Perks: £90k+ equity, hybrid London, flexible hours, unlimited holiday, hardware budget. More ❯

ship game-changing AI features at lightning speed—with an unbeatable experience building on Vercel. You’ll be hands-on with our Next.js/TypeScript frontend and Python/FastAPI backend, and you’ll collaborate closely with our AI team to integrate cutting-edge LLMs and multi-agent systems. If you thrive on rapid iteration, technical ownership, and shaping engineering … Work in a fast-paced, venture-backed environment where your ideas shape the product. Ownership: Drive technical decisions and mentor a growing team. Modern stack: Next.js, React, TypeScript, Python, FastAPI, PostgreSQL, Vercel (V0 & AI SDK), GCP. Perks: £90k+ equity, hybrid London, flexible hours, unlimited holiday, hardware budget. More ❯

and company trajectory as they prepare for it's public launch. What You’ll Focus On Build, iterate, and deliver robust features across the stack (Python, React, Next.js, TypeScript, FastAPI, Postgres) Collaborate with founders and engineers to solve complex, real-world business challenges Design and implement seamless user experiences for a fast, powerful platform Contribute to product strategy and technical … impactful products, ideally in a startup or fast-paced environment Excellent skills in Python and/or React, with strong familiarity in the other Deep understanding of Next.js, TypeScript, FastAPI, and Postgres Articulate communicator who can explain technical decisions and approaches Tech Stack Python, React, Next.js, TypeScript, FastAPI, Postgres Why You’ll Thrive Here $6.5M seed funding from the Palantir More ❯

and company trajectory as they prepare for it's public launch. What You’ll Focus On Build, iterate, and deliver robust features across the stack (Python, React, Next.js, TypeScript, FastAPI, Postgres) Collaborate with founders and engineers to solve complex, real-world business challenges Design and implement seamless user experiences for a fast, powerful platform Contribute to product strategy and technical … impactful products, ideally in a startup or fast-paced environment Excellent skills in Python and/or React, with strong familiarity in the other Deep understanding of Next.js, TypeScript, FastAPI, and Postgres Articulate communicator who can explain technical decisions and approaches Tech Stack Python, React, Next.js, TypeScript, FastAPI, Postgres Why You’ll Thrive Here $6.5M seed funding from the Palantir More ❯

London (Tech stack: Machine Learning Engineer, Python, TensorFlow, PyTorch, scikit-learn, Keras, Natural Language Processing (NLP), Hugging Face Transformers, Pandas, NumPy, Jupyter Notebooks, Matplotlib, Seaborn, Flask (for building APIs), FastAPI, Docker, MLflow, DVC (Data Version Control), AWS SageMaker, Azure Machine Learning, Google Cloud AI Platform, TensorFlow Serving, ONNX (Open Neural Network Exchange) We have several exciting new positions available for … your skill set): Machine Learning Engineer, Python, TensorFlow, PyTorch, scikit-learn, Keras, Natural Language Processing (NLP), Hugging Face Transformers, Pandas, NumPy, Jupyter Notebooks, Matplotlib, Seaborn, Flask (for building APIs), FastAPI, Docker, MLflow, DVC (Data Version Control), AWS SageMaker, Azure Machine Learning, Google Cloud AI Platform, TensorFlow Serving, ONNX (Open Neural Network Exchange) This is your chance to contribute to an More ❯

Hero with external platforms Implement OAuth 2.0 and token-based authentication for API access. Manage the API lifecycle including testing, deployment, version control, logging, and monitoring. Use Python (e.g. FastAPI) and Azure services (e.g. Azure Functions, Microsoft Fabric pipelines) for development and orchestration. Document integration specifications and processes clearly for future maintenance and support. Collaboration & Client Integration Support: Liaise with … handover materials, and ongoing technical documentation.Share best practices and contribute to continuous improvement. About you: Experienced in developing RESTful APIs and implementing OAuth 2.0 authentication. Skilled in Python (preferably FastAPI), Git, SQL, and cloud services like Microsoft Azure. Familiar with technologies such as: Airbyte, Rivery and Hevo Familiar with HR, Payroll, Recruitment, and L&D terminology and workflows. Able to More ❯

Hero with external platforms Implement OAuth 2.0 and token-based authentication for API access. Manage the API lifecycle including testing, deployment, version control, logging, and monitoring. Use Python (e.g. FastAPI) and Azure services (e.g. Azure Functions, Microsoft Fabric pipelines) for development and orchestration. Document integration specifications and processes clearly for future maintenance and support. Collaboration & Client Integration Support: Liaise with … handover materials, and ongoing technical documentation.Share best practices and contribute to continuous improvement. About you: Experienced in developing RESTful APIs and implementing OAuth 2.0 authentication. Skilled in Python (preferably FastAPI), Git, SQL, and cloud services like Microsoft Azure. Familiar with technologies such as: Airbyte, Rivery and Hevo Familiar with HR, Payroll, Recruitment, and L&D terminology and workflows. Able to More ❯

London (Tech stack: Machine Learning Engineer, Python, TensorFlow, PyTorch, scikit-learn, Keras, Natural Language Processing (NLP), Hugging Face Transformers, Pandas, NumPy, Jupyter Notebooks, Matplotlib, Seaborn, Flask (for building APIs), FastAPI, Docker, MLflow, DVC (Data Version Control), AWS SageMaker, Azure Machine Learning, Google Cloud AI Platform, TensorFlow Serving, ONNX (Open Neural Network Exchange) We have several exciting new positions available for … your skill set): Machine Learning Engineer, Python, TensorFlow, PyTorch, scikit-learn, Keras, Natural Language Processing (NLP), Hugging Face Transformers, Pandas, NumPy, Jupyter Notebooks, Matplotlib, Seaborn, Flask (for building APIs), FastAPI, Docker, MLflow, DVC (Data Version Control), AWS SageMaker, Azure Machine Learning, Google Cloud AI Platform, TensorFlow Serving, ONNX (Open Neural Network Exchange) This is your chance to contribute to an More ❯

end — designing, building, and deploying production-grade AI features powered by the latest large language models like GPT and Anthropic. You’ll work with cutting-edge tools — think LangChain, FastAPI, vector search with Qdrant — building AI agents that automate complex workflows and deliver real impact. What they’re looking for: Deep expertise in Large Language Models (LLMs) and generative AI … with proven experience shipping production AI features built on foundational models like GPT or Anthropic. Strong software engineering skills, fluent in Python , and experienced with scalable backend frameworks like FastAPI . Hands-on experience with LLM orchestration and prompt engineering frameworks such as LangChain or LangGraph, plus designing retrieval-augmented generation (RAG) pipelines. Familiarity with vector databases like Qdrant, Pinecone More ❯

money at scale. Hiring a Contract Software Engineer to work on new feature delivery across our transaction pipeline and enhance our cloud-native infrastructure. Role details: Tech Stack: Python, FastAPI, Kubernetes, GCP (Pub/Sub, Cloud SQL) Build and maintain payment APIs and processing microservices Collaborate with DevOps and Product on high-availability systems 6-month initial contract with long More ❯

money at scale. Hiring a Contract Software Engineer to work on new feature delivery across our transaction pipeline and enhance our cloud-native infrastructure. Role details: Tech Stack: Python, FastAPI, Kubernetes, GCP (Pub/Sub, Cloud SQL) Build and maintain payment APIs and processing microservices Collaborate with DevOps and Product on high-availability systems 6-month initial contract with long More ❯

scale systems using internal frameworks and libraries Design and implement vector search solutions using FAISS, Milvus, and Pinecone Build scalable APIs and backend services using Spring Boot, Flask, and FastAPI Optimize data storage and retrieval with PostgreSQL/MongoDB and distributed databases Deploy and manage cloud-native applications using Kubernetes and Docker Implement security best practices with Spring Security and … a culture of learning and collaboration Experience That Will Help You Succeed in This Role: Proficiency in Java or Python for backend development Strong knowledge of Spring Boot, Flask, FastAPI, and API design Experience with vector search frameworks (FAISS, Milvus, Pinecone) Expertise in Kubernetes and Docker for scalable deployment Understanding of authentication & security frameworks (Spring Security, SSO) Hands-on experience More ❯

independent tourism businesses off the beaten track, capable of handling thousands of payments an hour across 100 currencies, in real-time, with near-zero downtime — backed by Python + FastAPI + Postgres. We're also building a direct-booking platform and traveller-focused discovery platform in Svelte + Django, with over 100,000 tourism businesses listed so far. We are … team social lunch, and regular team events Very generous stock options in a YC-backed startup Competitive salary (based on your level of experience) Our Stack Python, PostgreSQL, Svelte, FastAPI, Django, AWS, Terraform, GitHub Actions, React Native Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Engineering and Information Technology Industries Software More ❯

teams and contributing directly to a product that transforms the way property is transacted globally. Ideal candidates will have: 4+ years of proven experience in Python, with experience in FastAPI and SQLAlchemy. Strong infrastructure skills using Terraform and familiarity with cloud services (especially Azure). Expertise in CI/CD, automated testing, and scaling applications. Excellent teamwork skills and the More ❯