151 to 175 of 436 FastAPI Jobs in the UK

Senior Software Engineer, SCRIBE

Location
Greater London, England, United Kingdom
looking for an experienced full-stack engineer with substantial experience developing Python web applications and backend services using frameworks such as FastAPI or Flask, alongside modern JavaScript or TypeScript frameworks such as React or Vue. You will be confident designing RESTful APIs and secure, scalable cloud infrastructure, ideally ...

Senior MLOps Engineer

Hiring Organisation
AECOM
Location
London, United Kingdom
Salary
£ 70 K
productionExperience building and owning ML pipelines, model deployment, serving, monitoring, or lifecycle infrastructureSolid programming skills in Python, plus experience with web libraries such as FastAPI, Flask, or DjangoHands-on experience with containerization (Docker), CI/CD pipelines, and cloud environments (we use Azure)Experience making architecture decisions and troubleshooting complex ...

Senior Consultant, Forward Deployed AI Engineer

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 ...

Full Stack AI Engineer

Location
Greater London, England, United Kingdom
APIs, databases, Git, testing, debugging, and application architecture. Familiarity with frontend and backend development using technologies such as React, Node/TypeScript, Python/FastAPI, or similar. Conceptual understanding of cloud platforms such as AWS, Azure, or GCP; hands‐off deployment experience is beneficial but not required. Exposure to generative ...

Consultant - Manager, Backend Developer - Tech Consultancy - Defence & Security

Hiring Organisation
Deloitte
Location
London, United Kingdom
Salary
£ 80 K
pull together to design new features and figure out bugs.Deliver cloud native and containerised applications using technologies including AWS Lambda, Spring Boot, NodeJS, Python FastAPI, Oracle, PostgreSQL and MongoDB.Build solutions as part of a DevSecOps and Agile ecosystem supported by tooling including Atlassian, Jenkins, GitLab, OWASP and AWS componentry.Ensure your ...

Consultant - Manager, Backend Developer - Tech Consultancy - Defence & Security

Hiring Organisation
Deloitte
Location
Cambridge, Cambridgeshire, United Kingdom
Salary
£ 80 K
pull together to design new features and figure out bugs.Deliver cloud native and containerised applications using technologies including AWS Lambda, Spring Boot, NodeJS, Python FastAPI, Oracle, PostgreSQL and MongoDB.Build solutions as part of a DevSecOps and Agile ecosystem supported by tooling including Atlassian, Jenkins, GitLab, OWASP and AWS componentry.Ensure your ...

Consultant - Manager, Backend Developer - Tech Consultancy - Defence & Security

Hiring Organisation
Deloitte
Location
Bristol, Gloucestershire, United Kingdom
Salary
£ 70 K
pull together to design new features and figure out bugs.Deliver cloud native and containerised applications using technologies including AWS Lambda, Spring Boot, NodeJS, Python FastAPI, Oracle, PostgreSQL and MongoDB.Build solutions as part of a DevSecOps and Agile ecosystem supported by tooling including Atlassian, Jenkins, GitLab, OWASP and AWS componentry.Ensure your ...

Consultant - Manager, Backend Developer - Tech Consultancy - Defence & Security

Hiring Organisation
Deloitte
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 70 K
pull together to design new features and figure out bugs.Deliver cloud native and containerised applications using technologies including AWS Lambda, Spring Boot, NodeJS, Python FastAPI, Oracle, PostgreSQL and MongoDB.Build solutions as part of a DevSecOps and Agile ecosystem supported by tooling including Atlassian, Jenkins, GitLab, OWASP and AWS componentry.Ensure your ...

Data Decisioning Manager

Hiring Organisation
Accenture
Location
London, United Kingdom
Salary
£ 80 K
context window managementAgentic AI frameworks — LangChain, LangGraph, AutoGen, or similar; building multi-step autonomous workflowsMachine Learning — model development, training, evaluation, and deploymentAPIs & backend development — FastAPI, REST APIs, microservices architectureVector databases & embeddingsCloud platforms — Azure GCP, or AWS; deploying and managing AI/ML workloads at scaleVersion control & MLOps — Git, CI/ ...

Senior Python Developer/ Engineer

Location
City of Westminster, England, United Kingdom
containerized architecture with a NextJS/React client frontend. Design, develop, and maintain scalable RESTful APIs and microservices using Python frameworks such as FastAPI or Flask. Build and support cloud-native solutions leveraging AWS services including Lambda, ECS Fargate, API Gateway, DynamoDB, S3, Secrets Manager, and CloudWatch. Work closely with … delivery. Contribute to documentation, knowledge sharing, and continuous improvement within the engineering team. Requirements: Professional software engineering experience. Strong commercial experience with Python using FastAPI, Flask, or similar backend frameworks. Extensive experience developing RESTful APIs, microservices, and backend services. Strong hands‐on experience with AWS cloud services, including ECS Fargate ...

Senior Python Engineer – Cloud, APIs & Serverless

Location
Greater London, England, United Kingdom
work with the Lead Engineer in an Agile team to deliver high quality, scalable features. You will develop RESTful APIs and microservices in Python (FastAPI/Flask), using serverless and containerized AWS architecture (Lambda, ECS Fargate, API Gateway). You’ll ensure secure, reliable delivery and collaborate with product ...

Senior Software Engineer

Hiring Organisation
Tria Recruitment
Location
Bristol, Gloucestershire, United Kingdom
Salary
£ 60 K
have the freedom to experiment, innovate, and make a direct impact.The Tech You’ll Use:Their backend is predominately Python (Django & FastAPI) with JavaScript front end (bonus points if you’re a Vue pro!), you’ll be pulling from a SQL Database and predominately Docker K8’s DevOps set up. ...

Senior AI Engineer Manager/Associate Director | Capital Markets

Location
City of Edinburgh, Scotland, United Kingdom
LangChain, LangGraph, Agent Development Kit or similar agent frameworks Experience with vector databases such as Pinecone, Chroma or similar API development experience, ideally with FastAPI or similar frameworks Knowledge of MLOps, LLMOps, CI/CD or production deployment practices Experience designing or supporting evaluation frameworks for AI or agentic systems ...

Software Engineer III - LLM Suite Engineering - Senior Associate

Location
Greater London, England, United Kingdom
Software Development Life Cycle Preferred Qualifications, Capabilities, and Skills Experience implementing GenAI services leveraging Azure OpenAI models and AWS Bedrock Proficiency in Python (FastAPI) Experience building microservices and APIs Experience with elastic compute, NoSQL databases, and messaging queues Proficiency working with large language models and building agents with LangGraph Experience ...

Lead Python Engineer API LLM - Start-up

Hiring Organisation
Client Server
Location
London, United Kingdom
Salary
£ 100 K
build software from scratch and iterate quicklyYou have strong technical skills, primarily with Python You have experience with RESTful APIs (they use FastAPI); TypeScript, React and other web technologies such as HTML5, CSS3 would be of benefit You have experience with LLMs and agentic AI, like to get your hands ...

Python Engineer / Data Modeller

Location
Glasgow, Scotland, United Kingdom
maintainability. Required Skills and Experience Strong Python development skills with a minimum of ten years' professional experience, including practical delivery using Pydantic and FastAPI for data modelling, validation, schema design and API development, alongside JSON, YAML, REST APIs and SQL. Strong hands-on experience with Collibra, including asset model ...

Senior AI Engineer Manager/Associate Director | Capital Markets

Hiring Organisation
Datatech Analytics
Location
London, United Kingdom
Salary
£ 100 K
LangChain, LangGraph, Agent Development Kit or similar agent frameworks·Experience with vector databases such as Pinecone, Chroma or similar·API development experience, ideally with FastAPI or similar frameworks·Knowledge of MLOps, LLMOps, CI/CD or production deployment practices·Experience designing or supporting evaluation frameworks for AI or agentic systems ...

Senior AI Engineer Manager/Associate Director | Capital Markets

Hiring Organisation
Datatech Analytics
Location
Edinburgh, Midlothian, United Kingdom
Salary
£ 80 K
LangChain, LangGraph, Agent Development Kit or similar agent frameworks·Experience with vector databases such as Pinecone, Chroma or similar·API development experience, ideally with FastAPI or similar frameworks·Knowledge of MLOps, LLMOps, CI/CD or production deployment practices·Experience designing or supporting evaluation frameworks for AI or agentic systems ...

Senior Software Engineer - Python

Location
Watford, England, United Kingdom
event-driven systems. Proven experience building API-first services, with a focus on performance, reliability, and maintainability. Python Back End development, primarily using FastAPI and modern API patterns. Strong understanding of RESTful API design, schema validation, and OpenAPI/Swagger. Experience working with messaging and eventing platforms such as Kafka ...

data engineer for rail industry

Location
Greater London, England, United Kingdom
expertise Make timely and informed decisions while considering benefits and constraints Nice to have: Experience developing and deploying Python APIs with frameworks such as FastAPI, familiarity with AWS, Azure, or GCP, experience with Git-based version control and repositories such as Azure DevOps Repos or GitHub, experience with Microsoft ...

Software Engineer III - LLM Suite Engineering - Senior Associate

Hiring Organisation
JP Morgan Chase
Location
London, United Kingdom
Salary
£ 100 K
stabilityStrong understanding of the Software Development Life CyclePreferred Qualifications, Capabilities, and SkillsExperience implementing GenAI services leveraging Azure OpenAI models and AWS BedrockProficiency in Python (FastAPI)Experience building microservices and APIsExperience with elastic compute, NoSQL databases, and messaging queuesProficiency working with large language models and building agents with LangGraphExperience developing, debugging ...

Developer / Engineer

Hiring Organisation
NTT DATA
Location
London, United Kingdom
Salary
£ 80 K
models (GANs, VAEs, LLMs) and their underlying principles• Strong experience in using Neo4J, Mongo DB• Experience on any of the Python web development frameworks (FastAPI, Flask, Django)• Experience in working as part of scrum team with knowledge of related ceremonies.• Strong communication skills.• Understanding and experience on Gen AI implementations ...

Forward-Deployed Engineer (FDE)

Hiring Organisation
NTT DATA
Location
London, United Kingdom
Salary
£ 80 K
GenAI, LLM, RAG, agentic AI, data science, or automation solutions.Hands-on experience with programming languages and frameworks such as Python, JavaScript/TypeScript, FastAPI, Flask, React, LangChain, LlamaIndex, PyTorch, TensorFlow, or similar technologies.Experience integrating APIs, data sources, model providers, workflow tools, and cloud services into working demos or prototypes.Working knowledge ...

Forward-Deployed Engineer (FDE)

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
GenAI, LLM, RAG, agentic AI, data science, or automation solutions. Hands-on experience with programming languages and frameworks such as Python, JavaScript/TypeScript, FastAPI, Flask, React, LangChain, LlamaIndex, PyTorch, TensorFlow, or similar technologies. Experience integrating APIs, data sources, model providers, workflow tools, and cloud services into working demos ...

Senior Consultant/Manager, AI/ML Engineer

Hiring Organisation
Baringa
Location
London, United Kingdom
Salary
£ 80 K
frameworks (e.g. scikit-learn, PyTorch, XGBoost) and cloud-native ML services (SageMaker, Azure ML, Vertex AI). 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 understanding ...