26 to 45 of 45 FastAPI Jobs in the UK excluding London

AI Engineer - Financial Service Consulting

Hiring Organisation
Datatech
Location
Edinburgh, Queen Street, City of Edinburgh, United Kingdom
Employment Type
Permanent
deployment, governance and operational rollout Tech environment: Python/SQL · LLMs (prompt engineering, fine-tuning, RAG) · LangChain/LangGraph · Agent frameworks · Vector databases · FastAPI/APIs · AWS/Azure/GCP/Databricks · CI/CD, MLOps/LLMOps What you'll bring: - Strong software or data engineering foundations - Experience ...

Senior Python Quant Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£800 - £900 per day
join on an initial 12-month contract basis. What you'll need to succeed : Extensive hands-on Python Development experience building REST APIs with FastAPI or similar. Strong quantitative background - must have. Strong experience with Pandas, NumPy, and/or SciPy. Good experience with time series or market data models. ...

Software Engineer

Hiring Organisation
TRIA
Location
Greater Bristol Area, United Kingdom
Experience building APIs Exposure to modern JavaScript frameworks Product or SaaS experience preferred Curious, collaborative, and keen to learn Tech Stack Backend: Python, Django, FastAPI Frontend: JavaScript, Vue.js, CSS Platform: Docker, Kubernetes, Helm, CI/CD AI Tooling: Cursor, OpenAI Agents ...

Senior Backend Engineer (Python | AI | 3D Environments | £130,000)

Hiring Organisation
Paradigm Talent
Location
Cardiff, United Kingdom
deliver features that delight and scale. You should have 5+ years of experience developing production-grade backend systems and APIs. Strong skills in Python (FastAPI or similar) and modern cloud infrastructure. Deep understanding of system design, scalability, and reliability . A product-oriented mindset — you design with end users ...

Frontend Developer (x2 - Senior & Mid-Level)

Hiring Organisation
Explore Group
Location
Edinburgh, United Kingdom
enhance application intelligence. Tech Stack Core: React, TypeScript, HTML5, CSS3 (SASS/Styled Components) Tooling: Webpack, Vite, Jest, Cypress Backend exposure: Python/FastAPI/Django (desirable) AI/ML Integration: Experience or curiosity around AI-driven applications or tools is a strong plus. About You Commercial experience building modern ...

Machine Learning Engineer

Hiring Organisation
Higher - AI recruitment
Location
Cardiff, United Kingdom
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 ...

Senior Python Backend Engineer Fully Remote, UK

Hiring Organisation
Interact Consulting Limited
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
skills, including schema design, query tuning, and migrations. Strong API design experience, including clear contracts, versioning, and backwards compatibility. Python-first experience, ideally with FastAPI or a similar framework. Redis experience, including caching patterns, invalidation, and pub/sub where appropriate. CI/CD fluency and comfort operating your ...

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 ...

AI Engineer - Financial Services Consulting

Hiring Organisation
Datatech
Location
Manchester, United Kingdom
Employment Type
Permanent
working on intelligent platforms, LLM-powered workflows, and RAG pipelines across banking, risk, fraud, and enterprise environments. Think Python, LangChain, vector databases, FastAPI, and cloud platforms like AWS, Azure, and Databricks. What matters most: Solid software or data engineering foundations Hands-on experience delivering AI solutions end to end Exposure ...

Technical Lead (Python/React)

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
offering the opportunity to influence both product direction and engineering culture. Key Requirements Strong software engineering background with leadership experience. Advanced Python development skills (FastAPI desirable). Experience with SQL, cloud infrastructure, CI/CD, and scalable systems. Exposure to React/TypeScript is advantageous. Experience within SaaS, cybersecurity ...

Software Engineer, Full-Stack Applications - Ratings Technology

Hiring Organisation
Fitch Group
Location
Manchester, United Kingdom
Employment Type
Full Time
shape technical decisions We'll Count on You To: • Develop and maintain full-stack applications – Build robust, scalable applications using Java/Springboot, 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 … patterns, SOLID principles, algorithms, data structures, and ability to write clean, maintainable code • Backend Development – Proficiency in Java, Spring Boot, Maven, and 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 ...

MongoDB SRE: Build Resilient, Automated Systems

Hiring Organisation
Jobleads-UK
Location
Knutsford, England, United Kingdom
tools, and automation platforms like Ansible or Chef. Monitoring systems with Prometheus, Grafana, ELK stack, and running containers with Kubernetes. Building APIs with FastAPI and supporting scalable, high-performance systems. You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change ...

AI Developer

Hiring Organisation
Reed
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £70,000 per annum, Inc benefits
AI Developer Job Type: Full-Time, Permanent Location: Reading, hybrid working arrangements, 3 days a week onsite. Hours: Monday to Friday, 37.5 hours per week Salary: Competitive, dependent on experience An excellent new opportunity for ...

Technical Lead

Hiring Organisation
InvitISE Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
those in a tech lead or staff engineer role - Python and TypeScript/Node, with solid React/Next.js and NestJS/FastAPI experience - PostgreSQL, including schema design, query performance, ETL/ELT, and analytical workloads at scale - LLM/AI features shipped to production users, covering evals, guardrails, prompt … Tech Lead, Technical Lead, Staff Engineer, Principal Engineer, Private Credit, Private Markets, Capital Markets, AI Platform, Analytics Platform, Python, TypeScript, Node.js, React, Next.js, NestJS, FastAPI, PostgreSQL, pgvector, LangChain, LangGraph, LiteLLM, AWS, LLM, Fintech, Greenfield, Remote, Hybrid/Remote, Contract ...

Python Developer

Hiring Organisation
eTeam
Location
Sheffield, England, United Kingdom
We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you. Job Title: Infrastructure_Python Developer Location: Sheffield -3 days ...

Graduate Full Stack Software Engineer

Hiring Organisation
Love Finance Limited
Location
Birmingham, West Midlands, England, United Kingdom
Employment Type
Full-Time
Salary
£28,000 - £30,000 per annum, OTE
development. Key Responsibilities - Engineering & Development Work on day-to-day development tasks across backend and frontend systems Build and maintain APIs using Python and FastAPI Contribute to frontend development using Next.js, React, and TypeScript Collaborate with senior engineers to deliver scalable and maintainable solutions Write clean, well-tested, and efficient … issues Contribute ideas to improve development processes and product features Support future mobile and platform initiatives as team structure evolves Technology Stack Backend: Python, FastAPI Frontend: TypeScript, Next.js, React Database: PostgreSQL and Firestore Cloud (Desirable): Google Cloud Platform (GCP Requirements Requirements Experience with Python (academic or commercial) Experience with TypeScript ...

Informatics Specialist

Hiring Organisation
Pure Resourcing Solutions Limited
Location
Cambridge, Great Abington, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
£45000 - £50000/annum
data pipelines, with a real focus on quality and developer experience. What you will be doing: Building and deploying RESTful or GraphQL APIs using FastAPI, Flask or Spring Boot Leading implementation of complex data relations using SQLAlchemy, Django ORM or JPA/Hibernate, with a strong focus on query optimisation … focus Hands-on experience with SQLAlchemy (Python) or JPA/Hibernate (Java) for complex relational mappings and performance tuning Strong command of Python (FastAPI/Flask) or Java (Spring ecosystem) Deep understanding of PostgreSQL or MySQL, including execution plan analysis and normalisation Familiarity with Docker, CI/CD pipelines (GitHub ...

Python Backend Engineer

Hiring Organisation
Daniel James Resourcing Ltd
Location
St. Albans, Hertfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £550/ day Outside IR35
working on systems that continuously ingest and process large volumes of operational and telemetry-style data from connected platforms and devices. Tech environment: Python FastAPI Azure Functions Azure Service Bus/Event Hub Kubernetes/AKS Docker Cosmos DB Distributed messaging systems Event-driven microservices Real-time processing pipelines What … resilience, retries, observability, scaling, and failure handling Engineers who still code heavily day-to-day Highly desirable: IoT, telemetry, or time-series style systems FastAPI Kafka/Service Bus/RabbitMQ/Event Hub Kubernetes Azure-native backend engineering This is a fast-moving contract process with a single technical ...

Python Developer

Hiring Organisation
Teksystems
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day
continuously improve development and release processes. Responsibilities Design and develop Python-based applications and backend services. Build, document, and maintain REST APIs using FastAPI, ensuring secure and reliable integrations. Develop and maintain backend systems that support application functionality and data workflows. Streamline the versioning, release, and packaging processes for application … professional engineering and software development environment focused on building high-quality backend services and APIs. The role involves daily use of Python, FastAPI, Pydantic, and SQLite, along with modern development and testing practices. You will collaborate closely with a diverse team of technical professionals, participating in code reviews, testing activities ...

Senior Data Engineer

Hiring Organisation
Meraki Talent Limited
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £90,000 per annum
Senior Data Engineer | Edinburgh (Hybrid – 3 or 4 days onsite) | £75k - £90k DOE Meraki Talent has partnered exclusively with an ambitious Scale Up who, after some recent investment, are looking to expand their operations in ...