1 to 25 of 117 FastAPI Jobs in the UK excluding London

senior or technical lead role. Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimisation, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms in a production environment. Strong understanding More ❯

team, we are cross-functional by design, and everyone is a natural team player who can improve best practises Proficiency with Python and extensive experience with frameworks such as FastAPI, Django, Flask or Supabase Knowledge of relational databases such as Postgres Expertise in SQL and familiarity with ORM frameworks such as SQLAlchemy Proven commercial experience building and maintain features with More ❯

robust, scalable solutions across complex environments. What You'll Do Take ownership of the design, build, and delivery of sophisticated back-end systems using Python and frameworks such as FastAPI, Django, or Flask. Apply solid software engineering principles, from clean code and error handling to data modelling and object-oriented design. Collaborate closely with front-end teams working with React More ❯

robust, scalable solutions across complex environments. What You'll Do Take ownership of the design, build, and delivery of sophisticated back-end systems using Python and frameworks such as FastAPI, Django, or Flask. Apply solid software engineering principles, from clean code and error handling to data modelling and object-oriented design. Collaborate closely with front-end teams working with React More ❯

asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring scalability, performance, security, reliability and maintainability across the full stack Contributing to cloud infrastructure setup More ❯

asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring scalability, performance, security, reliability and maintainability across the full stack Contributing to cloud infrastructure setup More ❯

asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring scalability, performance, security, reliability and maintainability across the full stack Contributing to cloud infrastructure setup More ❯

scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or Django REST Framework . Collaborating with data and platform engineers to integrate new features and optimise performance. Ensuring robust engineering practices including CI/CD, TDD, and secure development More ❯

basis, with attendance required 2 days per week in a Leeds office. Key Responsibilities: Lead the design and development of complex applications using Python and frameworks such as Flask, FastAPI, or Django. Collaborate with front-end developers to deliver cohesive and user-friendly interfaces. Design, implement, and optimise SQL databases for performance and reliability. Manage cloud infrastructure using AWS core More ❯

ideas into production. Ensuring code quality through testing, documentation, and peer review. What we're looking for: 4+ years' experience building enterprise-grade applications. Strong backend skills in Python (FastAPI, Flask) with experience designing APIs and integrating databases (e.g. GraphDB, CosmosDB, SQL). Solid frontend development skills in React, TypeScript/JavaScript, HTML, and CSS . Experience developing scalable, cloud More ❯

ideas into production. Ensuring code quality through testing, documentation, and peer review. What we're looking for: 4+ years' experience building enterprise-grade applications. Strong backend skills in Python (FastAPI, Flask) with experience designing APIs and integrating databases (e.g. GraphDB, CosmosDB, SQL). Solid frontend development skills in React, TypeScript/JavaScript, HTML, and CSS . Experience developing scalable, cloud More ❯

ideas into production. Ensuring code quality through testing, documentation, and peer review. What we're looking for: 4+ years' experience building enterprise-grade applications. Strong backend skills in Python (FastAPI, Flask) with experience designing APIs and integrating databases (e.g. GraphDB, CosmosDB, SQL). Solid frontend development skills in React, TypeScript/JavaScript, HTML, and CSS . Experience developing scalable, cloud More ❯

pipelines Take a product-first approach: asking “why,” not just “how” What You’ll Need Essential Skills Startup Mindset: Bias for action, ownership, comfort with ambiguity Backend Development: Python (FastAPI, Flask) + microservices Distributed Systems: Scaling high-volume data systems Cloud: AWS/GCP/Azure (ECS/EKS, S3, Lambda, IAM or similar) Databases: PostgreSQL + strong data modeling More ❯

pipelines Take a product-first approach: asking “why,” not just “how” What You’ll Need Essential Skills Startup Mindset: Bias for action, ownership, comfort with ambiguity Backend Development: Python (FastAPI, Flask) + microservices Distributed Systems: Scaling high-volume data systems Cloud: AWS/GCP/Azure (ECS/EKS, S3, Lambda, IAM or similar) Databases: PostgreSQL + strong data modeling More ❯

pipelines Take a product-first approach: asking “why,” not just “how” What You’ll Need Essential Skills Startup Mindset: Bias for action, ownership, comfort with ambiguity Backend Development: Python (FastAPI, Flask) + microservices Distributed Systems: Scaling high-volume data systems Cloud: AWS/GCP/Azure (ECS/EKS, S3, Lambda, IAM or similar) Databases: PostgreSQL + strong data modeling More ❯

science stack, e.g., pandas, scikit-learn, Jupyter etc., and version control, e.g., Git. Exposure to LLMOps, model monitoring principles, CI/CD and associated tech, e.g., Docker, MLflow, k8s, FastAPI etc. Knowledge of Langchain, huggingface and LLM offerings by 3rd party vendors. Knowledge of OO programming and software design, i.e., SOLID principles. Knowledge and working experience of AGILE methodologies. Familiarity More ❯

AGILE methodologies. Proficient with SQL. Familiarity with Databricks, Spark, geospatial data/modelling Exposure to MLOps, model monitoring principles, CI/CD and associated tech, e.g., Docker, MLflow, k8s, FastAPI etc. are a plus. Additional Information What’s in it for you?: Competitive salary that reflects your skills, experience and potential. Discretionary bonus scheme that recognises your hard work and More ❯

needs Take technical ownership of areas of product Required: 8-9+ years of experience writing Backend applications using Python and Django (Rest Framework) or related frameworks, e.g. Flask, FastAPI or similar Good understanding of ORM (either Django or SQLAlchemy) Good understanding of Python Unit Testing frameworks and TDD practices Experience working with Cloud Infrastructure (Ideally AWS) Good understanding of More ❯

looking for: 2+ years' experience in full-stack application development and deployment. Strong skills in both frontend frameworks (React, Next.js, or Vue) and backend technologies (Node.js, Python, Django, or FastAPI). Experience deploying applications in cloud environments using containers and orchestration tools. Proficiency in the Python ecosystem for backend development and AI integration. Strong database knowledge (SQL and NoSQL) and More ❯

Equity | Hybrid (Wokingham-based) | Python | React | AWSLocation: Wokingham, UK (Hybrid – 2–3 days office-based)Salary: £70,000 - £80,000 + £10k equity packageTech Stack: Backend: Python (Flask/FastAPI/Django) Frontend: React, TypeScript Cloud: AWS Are you an experienced Full Stack Engineer who thrives in fast-moving, product-led environments We’re partnered with an innovative AI-driven More ❯

engineers in the team and across allied teams, to build an end-to-end pipeline consuming other data products Basic qualifications: Demonstrated experience of Python backend development (e.g. using FastAPI) Bachelors degree in a relevant field (including computational, numerate or life sciences), or equivalent experience Cloud experience (e.g. Google Cloud and cloud run preferred) including core web application infrastructure is More ❯

engineers in the team and across allied teams, to build an end-to-end pipeline consuming other data products Basic qualifications: Demonstrated experience of Python backend development (e.g. using FastAPI) Bachelors degree in a relevant field (including computational, numerate or life sciences), or equivalent experience Cloud experience (e.g. Google Cloud and cloud run preferred) including core web application infrastructure is More ❯

API-level LLM usage, including tool/function calling, prompt engineering and evaluation. Experience with agent frameworks (OpenAI AgentSDK, LangGraph, LlamaIndex Agents or similar). Experience developing APIs using FastAPI or similar frameworks and integrating with third-party platforms. Direct client-facing experience gathering requirements and delivering technical implementations. Experience within agile development workflows and engineering teams. Skills & Abilities Strong More ❯

API-level LLM usage, including tool/function calling, prompt engineering and evaluation. Experience with agent frameworks (OpenAI AgentSDK, LangGraph, LlamaIndex Agents or similar). Experience developing APIs using FastAPI or similar frameworks and integrating with third-party platforms. Direct client-facing experience gathering requirements and delivering technical implementations. Experience within agile development workflows and engineering teams. Skills & Abilities Strong More ❯

API-level LLM usage, including tool/function calling, prompt engineering and evaluation. Experience with agent frameworks (OpenAI AgentSDK, LangGraph, LlamaIndex Agents or similar). Experience developing APIs using FastAPI or similar frameworks and integrating with third-party platforms. Direct client-facing experience gathering requirements and delivering technical implementations. Experience within agile development workflows and engineering teams. Skills & Abilities Strong More ❯