25 of 25 FastAPI Jobs in Central London

performance monitoring. Experience collaborating with engineering teams to ensure scalable and maintainable deployment. Backend & service development: Experience building production-grade Python webservices (e.g., FastAPI, Flask), developing APIs, and integrating ML components into broader systems. Software engineering practices: Comfortable with testing, code reviews, CI/CD pipelines, and version control ...

skills by exploring and experimenting with emerging technologies, including GenAI. Your skills and experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity ...

skills by exploring and experimenting with emerging technologies, including GenAI. Your skills and experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity ...

skills by exploring and experimenting with emerging technologies, including GenAI. Your skills and experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity ...

integrating Appian with external systems via REST APIs, web services, and connected systems. API Development & Integration - Proficient in designing and building RESTful APIs using FastAPI, Flask, or Django REST Framework for exposing AI models and automation services. Experience with API authentication (OAuth, JWT), rate limiting, error handling, API documentation (Swagger ...

integrating Appian with external systems via REST APIs, web services, and connected systems. API Development & Integration - Proficient in designing and building RESTful APIs using FastAPI, Flask, or Django REST Framework for exposing AI models and automation services. Experience with API authentication (OAuth, JWT), rate limiting, error handling, API documentation (Swagger ...

challenges regularly We're united by our mission, focused execution, and speed We deploy to production multiple times a day 🛠️ Tech Stack Backend: Python (FastAPI) + Typescript (express) Frontend: React + Typescript Infrastructure: AWS (serverless!), terraform Containerisation: Docker Database: PostgreSQL + DynamoDB CI/CD: GitHub actions + Blacksmith runners ...

improvement in processes and tooling within Agile workflows. Apply best practices in object-oriented design, SOLID principles, and data structures. Tech Stack: Python, FastAPI, Django AWS, Kubernetes, Helm, Terraform PostgreSQL, OpenSearch GitHub Required Experience & Skills: Strong experience building backend services in Python (any framework). Solid understanding of databases ...

graduates or more senior engineers Infrastructure or deployment experience (AWS, Terraform) is a bonus Happy working onsite five days per week Tech stack Python, FastAPI React, TypeScript Postgres AWS, Terraform Compensation & details up to £185k base + equity (flexible for exceptional profiles) Visa sponsorship available Standard pension Five meals ...

backend services, AI infrastructure, and delivery at scale. What you will do Build and deploy backend services and APIs, Python preferred using Django or FastAPI Productionise AI features including RAG, agent orchestration, and evals Create data pipelines for training, evaluation, and continuous improvement Ensure performance, reliability, and security across ...

Contributing through code reviews, pair programming and technical discussions Building and deploying services on AWS using cloud-native tools and services Tech environment: Python, FastAPI, Django, AWS, Kubernetes, Terraform, PostgreSQL, OpenSearch, GitHub, Helm What were looking for in a Back End Engineer: Strong commercial experience building backend systems in Python ...

Composer or Vertex Pipelines. Domain Knowledge: Understanding of sports-specific data types ( event, tracking, scouting, video ) API Development: Experience building data-centric APIs using FastAPI , especially in serverless environments (e.g., Google App Engine) Streaming Data: Familiarity with real-time data pipelines and data ingestion at scale DevOps/MLOps: Exposure ...

communication skills and the ability to flourish in a team Located in London/Paris and open to working in office Tech Stack: Python FastAPI Python, Typescript, or React Open source LLMs Building for production Benefits Currently Offered (likely to improve as company grows): 100% coverage for travel expenses Childcare ...

monitoring platforms and scripting Demonstrated data manipulation skills; ensuring data integrity Experience with middleware tools, preferably AMPS Proficiency in JSON, React, REST APIs, FastAPI, Unix/Linux, OpenShift, Docker, Kubernetes Experience with unit testing and writing clear Jira tickets Excellent interpersonal communication skills Plusses: Previous experience in Bank of America ...

Senior Full Stack Engineer – AI Startup – Up to 150k 🚀🧠 💰 Salary: £80,000 - £150,000 + meaningful equity 🏙️ Location : London, hybrid 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) 📈 Team size: 27 heads Our y-combinator backend client are building an elite engineering team within the AI space. ...

Salary: £60,000 - £85,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being used ...

integrations. Collaborate directly with customers to deliver real-world outcomes. Balance speed and scalability in a fast-moving startup environment. Tech Stack Python (FastAPI), Postgres TypeScript, Next.js GCP, Kubernetes LLMs (OpenAI, Gemini), Speech-to-Text, Text-to-Speech Requirements 5–10 years of backend-leaning engineering experience. Strong Python experience. ...

apps for installers on the move Tech Stack: -> React, TypeScript, Konva, Tailwind -> Node.js, PostGREST, Prisma -> PostgreSQL/PostGIS, Docker, Atlas -> (Sunsetting Python + FastAPI) Requirements for Carbon Emission/Green Tech Start-up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £110K + Healthy Equity -> 2+ years commercial experience ...

work across our Python and TypeScript stack, contributing wherever the team needs you most. What You'll Be Doing: Develop and maintain FastAPI (Python) and Next.js (TypeScript) applications. Own features end-to-end - from user interface through to infrastructure and internal tooling. Navigate and contribute to diverse codebases across ...

Full Stack Location: London (hybrid) Salary: Up to £100,000 ( 10% DOE) + equity Tech Stack Python ecosystem - experience with Django, or Flask, or FastAPI TypeScript & React across the frontend - any frontend experience beneficial Cloud native environment This is not a “slot into an existing team” role. This ...

instrumental in building and evolving the platform using Python and TypeScript, driving impact across the entire stack. Your Impact: Build robust backend services with FastAPI (Python) and dynamic frontends using Next.js (TypeScript) Take complete ownership of features - from conception and user experience through to deployment and operations Move fluidly between ...

contribute to team learning and development Technology Stack The team leverages modern technologies to deliver robust and scalable solutions: Languages & Frameworks: Python, Django, FastAPI Databases & Search: PostgreSQL, OpenSearch Cloud & DevOps: AWS, Kubernetes, Helm, Terraform Collaboration & Source Control: GitHub About the Candidate The ideal candidate will bring strong technical expertise … passion for building backend systems that scale. Essential skills and experience: Proficient in Python development, with experience in any major framework (e.g., Django, FastAPI) Strong understanding of databases, object-oriented design, data structures and SOLID principles Analytical and problem-solving mindset, with a focus on continuous improvement Ability to collaborate ...

Senior Software Engineer (Python - FastAPI) This fast-growing consultancy is pushing the boundaries of AI and data science, helping clients turn complex challenges into scalable, production-ready solutions. They’re now hiring a Senior Software Engineer who can blend deep technical expertise with a practical, delivery-focused mindset. Role Overview … data-led software solutions. Developing scalable data pipelines and backend services that support complex modelling work. Setting standards for clean, efficient engineering across Python(FastAPI), SQL and cloud environments. Training, tuning and deploying machine learning models into production. Creating processes for robust data extraction, transformation and management. Integrating new solutions ...

seeking a Senior Backend Engineer to build highly scalable and maintainable services using modern technologies.. What You'll Do: Develop backend services in Python (FastAPI/Django) Work on microservice architecture, data processing, and customer experience Collaborate across Product, Design, and Engineering teams Contribute to code reviews, pair programming … Agile improvements Tech Stack: Python, FastAPI, Django, AWS, Kubernetes, Helm, Terraform, PostgreSQL, Opensearch What In it for you? Competitive salary + performance bonus 28 days holiday + bank holidays + birthday off Private medical insurance, L&D opportunities, mental health support Hybrid working and a vibrant office culture ...

cost/safety guardrails). Essential Requirements 3-6+ years building production backends/services , with shipped work and clear ownership. Strong Python (FastAPI) and database skills ( PostgreSQL/MongoDB ); solid API design fundamentals. Familiarity with AWS serverless patterns and Docker for bespoke services; basic CI/CD concepts. … Security hygiene (secrets, permissions, least-privilege) and practical data-privacy basics. Planning & execution in Linear (or similar). Tools & Stack Backend/Runtime: Python (FastAPI), Node.js. Datastores: PostgreSQL, MongoDB (as appropriate), Redis (caching/sessions). Vectors/Embeddings: Chroma (or similar). AI Models & APIs: Claude (Anthropic), Gemini (Google ...