1 to 25 of 98 FastAPI Jobs in the UK

Senior Python Engineer

Hiring Organisation
Method-Resourcing
Location
Watford, Hertfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Looking For Essential Professional Python development experience (5+ years) Strong understanding of software design patterns and engineering principles Experience with frameworks such as FastAPI, Django, or Flask Solid knowledge of RESTful APIs and distributed systems Experience working with relational and NoSQL databases Strong testing experience (PyTest, unit, integration, and automated ...

Senior Software Development Engineer

Hiring Organisation
Jobleads-UK
Location
Dudley, England, United Kingdom
security) Strong experience with modern frontend frameworks (React, Vue, Angular, or equivalent) Strong experience with backend frameworks and API development (e.g., Node.js/Express, FastAPI/Django/Flask, ASP.NET, Spring Boot, or similar) Experience with relational and NoSQL databases (e.g., PostgreSQL, SQL Server, DynamoDB, MongoDB, Cosmos) including data modeling ...

Python Developer

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
backend services. Excellent problem-solving, communication, and stakeholder engagement skills. Ability to work effectively in a fast-paced, collaborative environment. Desirable: Experience with FastAPI , Docker, containerised applications, React or Vue, AI/ML-powered applications, Large Language Models (LLMs), Natural Language Processing (NLP), data engineering pipelines, scientific datasets, and highly ...

Senior Full Stack/Native Cloud Engineer (Vice President)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
another complex enterprise technology environment. Advanced backend engineering experience with Java 8+, Spring Boot, and microservices‐based architectures. Strong Python development experience, preferably with FastAPI or similar modern API frameworks. Proven experience designing and building cloud‐native, distributed, scalable, and resilient systems. Hands‐on experience with Kafka or similar event ...

Senior Full Stack Engineer

Hiring Organisation
Jobleads-UK
Location
Cambridge, England, United Kingdom
with production web applications Strong skills in TypeScript, JavaScript, React, and Node.js Experience with backend development in Python or Go and frameworks such as FastAPI Familiarity with PostgreSQL, Redis, and REST API design and integration Experience with test-driven development and CI/CD workflows Experience integrating AI technologies such ...

Principal, Cloud Software Engineer

Hiring Organisation
Jobleads-UK
Location
Cambridge, England, United Kingdom
maintain full stack web applications using Python, Java, C++ and modern frontend frameworks. Build scalable backend services and APIs using Python frameworks such as FastAPI, Flask, or Django. Develop responsive, intuitive, and secure user interfaces using React, TypeScript, JavaScript, HTML5, CSS and Tailwind. Build healthcare and research applications that support ...

GenAI Fullstack Engineer

Hiring Organisation
Sanderson Government and Defence
Location
United Kingdom
Employment Type
Permanent
Salary
£70,000
Security Check) Clearance or be eligible to obtain and maintain this level of clearance. Technical Expertise Backend Development Experience building microservices using Python with FastAPI, TypeScript with Express, or equivalent technologies. Frontend Development Experience developing React applications using TypeScript. Familiarity with frameworks such as Next.js, Vite, or similar. Generative ...

Full-Stack AI Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
deployment pipelines. Design, develop, and maintain frontend applications using React and Next.js. Build, test, and deploy backend services and APIs (Python/Django/FastAPI preferred, but other languages/frameworks welcome). Collaborate with founders, growth team, designers, and other engineers to deliver high-impact features. Ensure scalability, performance ...

Software Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
with Python and Django on a service-oriented architecture deployed at scale on Kubernetes. The rest of the tech stack includes Django REST Framework, FastAPI, PostgreSQL, AWS, React.js, Docker, Redis, Celery, Pandas, NumPy, Git, Jenkins, and Elasticsearch. We put significant emphasis on design patterns, code readability, automated testing, maintainability ...

Senior Backend Engineer - AI/ML Platforms

Hiring Organisation
Lorien
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 750 - 800 Daily
ensure reliable releases Required Skills & Experience Strong commercial experience developing Back End applications in Python Experience developing APIs and web services, ideally using FastAPI Hands-on experience with cloud platforms, ideally Google Cloud Platform (GCP) and Cloud Run Strong understanding of Infrastructure as Code using Terraform Experience writing automated tests ...

Senior Full Stack Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
such as Kafka Expertise in database systems including Redis, Elasticsearch, Neo4j, and PostgreSQL Proficiency in developing APIs using a backend framework (such as Django, FastAPI, Flask, or Express) Commercial experience in front-end development including at least one web development framework, preferably Vue.js Be comfortable with Unix systems Strong problem ...

Python Technical Lead FinTech

Hiring Organisation
Run-Time Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
technical roadmap, guide architectural decisions, and ensure engineering excellence across backend services. Python Engineering Design and build robust, secure, and scalable microservices using Python (FastAPI, Django, Flask). System Architecture Lead the design of distributed systems, event-driven architectures, and high-availability platforms. Team Mentorship Coach engineers, conduct code reviews ...

BXTI - Liquid Credit, Full Stack Software Engineer, Associate

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
order, execution, trade processing) to support LCS, which manages $114B in AUM across diverse fixed‐income portfolios. Key Technologies C#, React/Angular, Typescript, FastAPI, Python, Terraform, SQL, AWS ECS, AWS Lambda, AWS DynamoDB, AWS SNS/SQS, CI/CD (GitLab Runners), Snowflake. Responsibilities Use cloud‐native technologies ...

Principal Software Engineer (Back-End)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Head of Platform. Responsibilities Back-end development & architecture Design, develop, and maintain scalable back-end services and APIs using Python and modern frameworks (FastAPI). Design and build high-performance API endpoints to handle complex hierarchical data queries and multi-dimensional aggregations for grid modelling computations. Ensure system reliability, performance ...

Senior Software Engineer (Java Or Python) - VP

Hiring Organisation
Jobleads-UK
Location
Belfast City District, Northern Ireland, United Kingdom
application development with strong expertise in **Java or Python*** Deep experience with backend frameworks such as **Spring Boot/Spring Core** and **Flask/FastAPI*** Solid frontend experience with **modern JavaScript frameworks** (React, Angular, or Vue)* Experience designing and delivering **scalable, cloud‐native applications*** Exposure to Gen‐AI concepts including ...

Senior Software Engineer (Java Or Python) - VP

Hiring Organisation
Jobleads-UK
Location
Belfast City District, Northern Ireland, United Kingdom
application development with strong expertise in Java or Python Deep experience with backend frameworks such as Spring Boot/Spring Core and Flask/FastAPI Solid frontend experience with modern JavaScript frameworks (React, Angular, or Vue) Experience designing and delivering scalable, cloud‐native applications Exposure to Gen‐AI concepts including ...

Software Engineer (Applied AI)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experience in a meaningful business domain. Contribute across the tech stack : You’ll work in React (JavaScript/TypeScript) on the frontend and Python (FastAPI, SQLAlchemy) on the backend, shipping production-ready code and user-facing features in addition to innovative ML work. Live on the cutting edge ...

Data Decisioning Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Agentic AI frameworks - LangChain, LangGraph, AutoGen, or similar; building multi-step autonomous workflows Machine Learning - model development, training, evaluation, and deployment APIs & backend development - FastAPI, REST APIs, microservices architecture Vector databases & embeddings Cloud platforms - Azure GCP, or AWS; deploying and managing AI/ML workloads at scale Version control & MLOps ...

Full Stack Software Developer

Hiring Organisation
Reed
Location
Guildford, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £40,000 per annum, Inc benefits
skills. Proficiency in modern frontend technologies (HTML, CSS, Tailwind, JavaScript/TypeScript, Vue.js React or equivalent) Experience in backend technologies (Laravel/PHP, Python FastAPI Experience using AWS including - ECS, IAM, RDS, CloudWatch, and terraform or infrastructure as code Experience with version control (Git), and CI/CD pipelines Detail ...

Lead Agentic AI Engineer

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
production‐quality code practices Strong understanding of software engineering principles, architecture patterns, and delivery best practices Experience with API development using frameworks such as FastAPI, Flask, or Django Knowledge of Docker, containerised deployments, CI/CD, and cloud‐native delivery patterns What Will Make You Stand Out Experience building, deploying ...

Senior Consultant, Forward Deployed AI Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Track recordof delivering production Python services and APIs; working knowledge of cloud-native application patterns and release practices. Software Engineering Production-grade Python services (FastAPI, AWS Lambda, event-driven patterns) and front-end development with React/Next.js, Material UI and SWR. Cloud architecture design capability across major providers; rounded ...

Senior AI/ML Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
concepts including Neural Networks and Transformer-based architectures. Knowledge in developing and deploying scalable models on Databricks, Azure, and AWS, leveraging tools such as FastAPI and Docker. Proficient in model tracing and observability for LLM in production and implementing evaluation frameworks for model quality and reliability. Strong understanding of software ...

Applied AI ML Lead - LLM Suite Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Skills Computer science degree or equivalent practical experience Hands-on experience with system design, application development, testing, and operational stability Proficiency in Python (FastAPI) Experience building microservices and APIs Experience with elastic compute, NoSQL databases, and messaging queues Strong understanding of the Software Development Life Cycle Solid grasp ...

Lead AI Engineer

Hiring Organisation
Jobleads-UK
Location
Crawley, England, United Kingdom
between technical developers and business teams, showcasing strong leadership, creativity, and ethical problem‐solving. Technical Expertise & Tools Python: Advanced, production‐grade proficiency (Pandas, NumPy, FastAPI/Flask) with an absolute focus on writing clean, modular, and highly testable code. SQL: Expert querying, database design, partitioning, and optimization strategies for large ...

Senior Manager, Forward Deployed AI Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
record of delivering production Python services and APIs; working knowledge of cloud‐native application patterns and release practices. Software Engineering Production‐grade Python services (FastAPI, AWS Lambda, event‐driven patterns) and front‐end development with React/Next.js, Material UI and SWR. Cloud architecture design capability across major providers; rounded ...