26 to 50 of 57 FastAPI Jobs in England

Software Engineer - Python

Hiring Organisation
Spencer Rose Ltd
Location
Watford, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 75,000 Annual
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 ...

Senior Python Developer

Hiring Organisation
Experis
Location
Birmingham, West Midlands, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£45000 - £55000/annum
control and CI/CD. The confidence to work independently and explain technical decisions to colleagues across the business. The wider environment includes Python, FastAPI, React, TypeScript, SQL, BigQuery, MongoDB and Google Cloud Platform . You do not need to have used every technology, but you should be comfortable working ...

AI Platform Engineer - TypeScript AWS MCP Agentic AI

Hiring Organisation
Method-Resourcing
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90,000
work collaboratively while taking ownership of technical challenges. Desirable experience: Hands-on experience building MCP servers, gateways or tool integrations. Python development, particularly FastAPI or similar frameworks. Experience with LangChain, LangGraph, LlamaIndex or comparable agent frameworks. LLM function calling, tool use and agent orchestration. API gateways, OAuth2, JWT and secure ...

Senior Software, Cloud & Modelling Engineer

Hiring Organisation
AG Products
Location
Goostrey, Cheshire East, Cheshire, United Kingdom
Employment Type
Permanent
robotics, industrial, scientific or similarly complex real-world systems. • Ability to solve technical problems independently and communicate clearly across engineering disciplines. Desirable Experience • React, FastAPI and PostgreSQL. • CI/CD, monitoring, automation and deployment tooling. • Digital Twins, scientific computing, numerical modelling or optimisation. • Robotics, industrial automation or connected machinery. ...

Senior AI Engineer

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
development experience. Experience productionising Machine Learning, NLP or Generative AI models. Strong experience designing and building RESTful APIs and microservices using frameworks such as FastAPI , Flask or Django . Strong SQL skills with experience designing performant relational database solutions. Commercial experience with AWS and/or Azure cloud platforms. Experience … functional teams. Desirable Experience Experience with any of the following would be highly advantageous: Large Language Models (LLMs) Amazon Bedrock Azure AI Foundry PyTorch FastAPI Knowledge Graphs Kubernetes Docker Infrastructure as Code MLOps Event-Driven Architecture Vector Databases Retrieval-Augmented Generation (RAG) Technology Stack Python SQL FastAPI PyTorch Docker Kubernetes ...

Python Developer - Inside IR35 - Up to £700 per day - Hybrid

Hiring Organisation
Hunter Bond
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Beacon or similar) Strong SQL and large-scale data handling expertise Pandas and NumPy for data processing and analytics REST API development using Flask, FastAPI or Django Strong understanding of performance optimisation and scalable systems Unix/Linux and Shell Scripting experience Domain Experience Investment Banking or Capital Markets background ...

Data Scientist

Hiring Organisation
Sirius Analysis
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Full-Time
Salary
£60,000 per annum
into technical requirements and development objectives. Python expertise covering standard data science libraries (NumPy, pandas, matplotlib, Scikit-learn, PyTorch, etc...), web frameworks (Flask or FastAPI) and visualisation (Dash, Plotly, & Streamlit). Proficient in SQL. Working with unstructured data Building customer and stakeholder relationships. Supporting and leading authoring of technical reports ...

Machine Learning Engineer - SC (DV Clearable) - Perm

Hiring Organisation
Sanderson Government and Defence
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Salary
£60,000
Large Language Models (LLMs). Experience in areas of model development, data processing and streaming (Spark, Kafka), microservices in python (Flask or FastAPI), and interactive visualisations and User Interfaces (Streamlit, Plotly, Gradio etc). These lists are not exhaustive, if you feel you're covering some ...

Senior Software Engineer, Full-Stack Applications (Python)

Hiring Organisation
Fitch Group
Location
Manchester, United Kingdom
Employment Type
Full Time
ideas, and help shape technical decisions We'll Count on You To: • Develop and maintain full-stack applications – Build robust, scalable applications using Python (FastAPI/Flask), and ReactJS following best practices and design patterns • Contribute to the development lifecycle – Write clean, maintainable code, implement CI/CD pipelines with … understanding of OOP concepts, design patterns, SOLID principles, algorithms, data structures, and ability to write clean, maintainable code • Backend Development – Proficiency in Python (Pandas, FastAPI, Flask) for building enterprise applications, data processing, and API development • Frontend Development – Experience with ReactJS , Node.js, TypeScript/JavaScript, and modern web development practices • Database ...

Senior AI Consultant - Agentic AI & Generative AI

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
plus AI product UX patterns such as streaming, review loops, provenance/citations, long-running tasks and error recovery. Back-end: Django (5.x+), DRF, FastAPI, Pydantic, Celery, Django Channels, Flask and RESTful APIs. Databases and storage: PostgreSQL, MS SQL Server, MongoDB, Firestore, BigQuery, Azure Blob Storage. Cloud and DevOps: Azure … Engineer, Full Stack Developer, Python Developer, Senior Consultant Data Science, Data Scientist, Solutions Architect AI, LLM Engineer, MLOps Engineer, AI Software Engineer, Django Developer, FastAPI Developer, React Developer, Next.js Developer, TypeScript Developer, Azure OpenAI, Vertex AI, LangChain, LangGraph, CrewAI, Autogen, OpenAI Agents SDK, Google ADK, RAG, retrieval augmented generation ...

AI Engineer/Developer

Hiring Organisation
Michael Page
Location
London, Farringdon Without, United Kingdom
Employment Type
Permanent
Salary
£60000 - £75000/annum
Then a mixture of the following on top: GenAI LLM APIs Experience designing, testing and deploying AI/ML solutions Chat Bots/Agents FastAPI Microsoft Agent Framework LangChain Vector database ML Engineering Job Offer Car allowance of 5k Private medical 25 days + BHS Option to buy 10 more ...

Senior Data Scientist

Hiring Organisation
Sirius Analysis Limited
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
benefits, pension (7% contribution), 25 days holiday & life insurance
translating customer requirements intotechnical requirements and development objectives. Pythonexpertisecovering standard data sciencelibraries (NumPy, pandas, matplotlib, Scikit-learn,PyTorch, etc),web frameworks (Flask or FastAPI) and visualisation(Dash,Plotly,&Streamlit). Proficient inSQL. Working with unstructured data Building customer and stakeholder relationships. Supporting and leading authoring of technical reports and presenting ...

L1 Software Engineer

Hiring Organisation
Response Informatics
Location
South East, United Kingdom
Employment Type
Contract
Contract Rate
GBP 250 Daily
Required Skills Frontend React.js REST API troubleshooting JavaScript/TypeScript basics Backend Python FastAPI REST APIs Postman/Swagger Cloud AWS (EC2, Lambda, S3, CloudWatch, API Gateway, IAM) Support Incident & ticket management (ServiceNow/Jira) Log analysis and application troubleshooting Qualifications Bachelor's degree in Computer Science, IT, or related ...

Full Stack Developer Python and React

Hiring Organisation
Bath and West Community Energy
Location
Bath, Somerset, United Kingdom
Employment Type
Temporary
Salary
GBP 70,000 Annual
Efficiency Advice Tool (HEEAT), a new platform combining energy modelling, mobile data capture, smart-meter data and applied AI. The technology stack includes Python, FastAPI and PostgreSQL on the backend, with React, Re click apply for full job details ...

L1 Software Engineer

Hiring Organisation
Response Informatics
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £250 per day
Required Skills Frontend React.js REST API troubleshooting JavaScript/TypeScript basics Backend Python FastAPI REST APIs Postman/Swagger Cloud AWS (EC2, Lambda, S3, CloudWatch, API Gateway, IAM) Support Incident & ticket management (ServiceNow/Jira) Log analysis and application troubleshooting Qualifications Bachelor's degree in Computer Science, IT, or related ...

Lead Software Developer

Hiring Organisation
ALFA TECHNOLOGY RECRUITMENT LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
obsessed with the customer, which is how we hold 4.9 on both Trustpilot and Google. The stack: TypeScript on the backend, Python and FastAPI for Jay, Next.js up front, AWS underneath, Claude Code woven through how we build. You won't have used all of it, and you'll change ...

Lead Software Developer

Hiring Organisation
ALFA TECHNOLOGY RECRUITMENT LTD
Location
South West London, London, United Kingdom
Employment Type
Permanent
obsessed with the customer, which is how we hold 4.9 on both Trustpilot and Google. The stack: TypeScript on the backend, Python and FastAPI for Jay, Next.js up front, AWS underneath, Claude Code woven through how we build. You won't have used all of it, and you'll change ...

AI Researcher

Hiring Organisation
Thales
Location
Reading, Berkshire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
analysis using Pandas, NumPy, SQL; familiarity with Spark or similar is a plus. Model optimisation and research-to-prototype deployment fundamentals, including ONNX, TorchScript, FastAPI/gRPC and GPU acceleration, with CUDA basics desirable. Responsible AI and security awareness: explainability, privacy-preserving methods, bias assessment, safety, assurance, adversarial robustness ...

Lead Backend Engineer

Hiring Organisation
ALFA TECHNOLOGY RECRUITMENT LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
obsessed with the customer, which is how we hold 4.9 on both Trustpilot and Google. The stack: TypeScript on the backend, Python and FastAPI for Jay, Next.js up front, AWS underneath, Claude Code woven through how we build. You won't have used all of it, and you'll change ...

AI Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£130,000 - £160,000 per annum
intelligence, classification, extraction, and reasoning. Create evaluation frameworks and observability tooling to monitor AI performance, quality, and cost. Engineer scalable backend services using Python, FastAPI, cloud technologies, and modern software engineering practices. Your Skills & Experience Strong commercial experience developing software and AI applications in Python. Hands-on experience building ...

DevOps Engineer

Hiring Organisation
Sphere Digital Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£400.00 - £500.00 per day
Knowledge of monitoring, observability, logging and alerting tools Strong cloud security and operational best practice experience Experience supporting and scaling production environments Python and FastAPI exposure beneficial Comfortable working in fast-paced, evolving environments Able to work autonomously and influence technical direction Apply Now You can apply for the DevOps ...

Senior Python Django Developer

Hiring Organisation
RWS
Location
Greater London, United Kingdom
Employment Type
Full Time
This job is with RWS, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Senior Python Django Developer Job LocationsUK ...

Senior Python AI Developer

Hiring Organisation
EMBS Engineering
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 - 75,000 Annual
Senior Python AI Developer - Generative & Agentic AI Python FastAPI AWS LLMs RAG Agentic AI DevOps Salary: 60,000 - 75,000 Contract rate: c 475 per day Location: London - Hybrid (3 days per week onsite) Employment: Permanent or Contract 2 positions We're recruiting two experienced Senior Python AI Developers … engineers, architects and platform specialists to deliver secure, scalable, production-ready AI applications. The role Designing and developing Python backend services and APIs using FastAPI Building Generative AI, Agentic AI and LLM-powered applications Developing RAG architectures, prompt orchestration and AI evaluation tooling Integrating LLMs with enterprise applications and business ...

Senior Python AI Developer

Hiring Organisation
EMBS Engineering
Location
London, United Kingdom
Employment Type
Permanent, Contract
Salary
£60000 - £75000/annum + Benefits
Senior Python AI Developer - Generative & Agentic AI Python | FastAPI | AWS | LLMs | RAG | Agentic AI | DevOps Salary: £60,000 - £75,000 Contract rate: c£475 per day Location: London - Hybrid (3 days per week onsite) Employment: Permanent or Contract | 2 positions We're recruiting two experienced Senior Python AI Developers … engineers, architects and platform specialists to deliver secure, scalable, production-ready AI applications. The role Designing and developing Python backend services and APIs using FastAPI Building Generative AI, Agentic AI and LLM-powered applications Developing RAG architectures, prompt orchestration and AI evaluation tooling Integrating LLMs with enterprise applications and business ...

AI Tech Lead Developer

Hiring Organisation
EMBS Engineering
Location
London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum + Benefits
Tech Lead Developer - Generative & Agentic AI Python | Java | FastAPI | AWS | LLMs | Agentic AI | Technical Leadership Salary: £75,000 - £85,000 + Benefits Location: London - Hybrid (3 days per week onsite) Employment: Permanent We're recruiting an experienced, hands-on AI Tech Lead Developer to join a technology consultancy delivering enterprise … hands-on Generative AI development expertise and experience leading technical teams. We'd expect experience across a good mix of: Strong Python, Java and FastAPI development experience Generative AI, Agentic AI and Large Language Models RAG architectures, prompt orchestration and LLM integration AWS cloud engineering, particularly Bedrock and AgentCore ...