76 to 100 of 110 FastAPI Jobs in the UK excluding London

Senior Software Engineer – GenAI, Cloud & Hybrid

Location
Belfast City District, Northern Ireland, United Kingdom
Python) to co-create and evolve financial software platforms. You will work on full-stack development, applying Spring Boot/Spring Core, Flask/FastAPI, and modern JavaScript frameworks to deliver scalable cloud-native applications. You will collaborate with cross-functional teams, mentor junior engineers, and ensure robust coding practices ...

Software and Data Engineer

Hiring Organisation
Experis
Location
Birmingham, West Midlands, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£45000 - £55000/annum
will solve live technical issues while delivering longer term improvements across the business. The role You will: * Develop and improve applications using Python, FastAPI, React and TypeScript * Build and support data pipelines, DAGs and SQL models * Work with BigQuery, MongoDB and Google Cloud * Develop APIs and integrations between operational ...

Data Analyst - AI Engineer

Location
Birmingham, England, United Kingdom
Assistants and automation tools that enhance operational efficiency. Education & Certifications Degree Qualified or demonstratable Azure environment experience. Key Skills & Technologies Programming & Frameworks: SQL, NoSQL,FastAPI, Git & MSPowerAppSuite AI: Classification, Regression, Clustering, Deep Learning, Time Series, LLM Agents, RAG Cloud & Deployment: Azure AI, Databricks. Data Visualization: Power BI, Excel, Copilot Studio ...

AI Researcher

Location
Reading, England, United Kingdom
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 ...

Senior Full Stack Backend Engineer

Location
Glasgow, Scotland, United Kingdom
maintainable solutions that power our AI‐driven products and client deployments. Key Responsibilities Design, build, and maintain high‐performance backend API services using Python, FastAPI, and Pandas. Develop clean, well‐documented RESTful and asynchronous APIs following best practices. Ensure APIs are scalable, secure, and optimized for performance in production environments. … experience delivering production‐grade backend systems at scale. Core Technical Skills Strong proficiency in Python as a primary backend language. Hands‐on experience with FastAPI and Pandas for building data‐driven API services. Solid experience with PostgreSQL – schema design, query optimization, and migrations. Experience with RabbitMQ or similar message brokers ...

Senior Software Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
opportunity. Key Responsibilities On the backend, you will design, build and maintain scalable services and RESTful/GraphQL APIs using Python with Django or FastAPI, writing clean, well-tested, production-grade code with a focus on reliability and performance. You will design and implement data models working with PostgreSQL … more years, in software engineering with a strong track record of delivering production systems. You have backend proficiency in Python with Django or FastAPI, strong frontend experience with React and TypeScript including component architecture, state management and modern tooling, and a solid understanding of relational databases, PostgreSQL preferred, covering schema ...

Senior Software Engineer - POS Systems (Remote Europe)

Location
Liverpool, England, United Kingdom
seeking a Senior Software Engineer to join the POS team. You will work across the React Native/Expo mobile app, the Python/FastAPI backend, and the AWS/Kubernetes infrastructure to build a scalable, offline-capable POS experience for hospitality properties. You'll own end-to-end aspects ...

Senior Backend Engineer (Product Platforms)

Location
Uddingston, Scotland, United Kingdom
commerce experience. Logistics or fulfilment systems experience. Payment or commission platform experience. Terraform and Infrastructure as Code. Google Cloud Platform. Next.js or tRPC familiarity. FastAPI experience. So, what’s in it for you? If you’ve made it this far down without being put off, brilliant. I’d genuinely love ...

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 ...

Lead Azure Engineer

Location
Sheffield, England, United Kingdom
resilience patterns, scaling approaches, deployment strategies, and operational readiness. Design, build, and operate back‐end services using Java (Spring Boot) and/or Python (FastAPI/Flask), covering API design with OpenAPI, performance optimisation, and security controls. Develop modern user interfaces with React, focusing on accessible design, reusable components … Java, including Spring Boot, REST APIs, testing strategies, and performance tuning. Strong hands‐on experience with Python for service development and automation, preferably using FastAPI or Flask. Proven experience building and maintaining front‐end applications with React, ideally using TypeScript, modern hooks, and robust front‐end testing approaches. Demonstrable experience ...

Lead Azure Engineer

Hiring Organisation
Teksystems
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £550/day
resilience patterns, scaling approaches, deployment strategies, and operational readiness. Design, build, and operate back-end services using Java (Spring Boot) and/or Python (FastAPI/Flask), covering API design with OpenAPI, performance optimisation, and security controls. Develop modern user interfaces with React, focusing on accessible design, reusable components … Java, including Spring Boot, REST APIs, testing strategies, and performance tuning. Strong hands-on experience with Python for service development and automation, preferably using FastAPI or Flask. Proven experience building and maintaining front-end applications with React, ideally using TypeScript, modern hooks, and robust front-end testing approaches. Demonstrable experience ...

MongoDB Site Reliability Engineer

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 ...

Principal Machine Learning Engineer – Production Systems

Location
Bristol, England, United Kingdom
setups. Knowledge of feature stores and data validation frameworks. Exposure to regulated environments and compliance frameworks. Tools & Technologies ML : TensorFlow, ONNX Runtime, tf2onnx. APIs : FastAPI, gRPC. Why Join Us? Work on cutting-edge ML solutions integrated into commercial engineering software. Define architecture that scales across global deployments. Collaborate with ...

Lead Backend Engineer

Hiring Organisation
ALFA TECHNOLOGY RECRUITMENT LTD
Location
Bournemouth, Dorset, South West, 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 ...

Software Engineer Python / Frontend

Hiring Organisation
Adecco
Location
South West, United Kingdom
Employment Type
Permanent
Salary
£50000 - £70000/annum
backend but enjoys working across the stack and wants to broaden their technical skill set. You'll primarily work with Python and FastAPI, developing APIs and data-intensive backend services, while also contributing to modern frontend applications and user-facing features. You'll work closely with experienced engineers, data scientists … matter experts to build products that solve complex, real-world problems. What You'll Be Doing * Developing and maintaining backend services using Python and FastAPI * Designing and building robust REST APIs * Contributing to frontend applications using TypeScript * Integrating frontend applications with backend services and data sources * Building interactive dashboards, charts ...

Backend Python Engineer

Hiring Organisation
Lorien
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 per day
rate: £400 to £450 Duration: 12 months duration Location: London, Redman Place - onsite 3 days a week. IR35: Outside IR35 Backend Engineer with strong FastAPI and microservices experience, ideally gained in cloud-native environments. Exposure to AI/GenAI products is highly desirable. Candidates should be comfortable owning technical solutions … working within Agile product teams. Experience with PostgreSQL, Docker, GitHub Actions, and modern backend engineering practices is essential. Essential Skills Strong Python development experience (FastAPI, Pydantic, SQLAlchemy, Pytest). Experience with PostgreSQL, Docker, Git/GitHub, GitHub Actions, and microservices. Knowledge of Pandas, NumPy, OpenTelemetry, and cloud-native development. Strong ...

Senior Python Data Modelling Specialist – Hybrid (Glasgow)

Location
Glasgow, Scotland, United Kingdom
blends Python development, data modelling and governance to support enterprise data, risk and regulatory needs. You will design scalable data models, work with Pydantic, FastAPI, Collibra and REST APIs, and contribute to data quality, lineage and metadata management while collaborating with stakeholders across #J-18808-Ljbffr ...

Senior POS Engineer - Remote (Europe)

Location
York and North Yorkshire, England, United Kingdom
seeking a Senior Software Engineer for our POS team. You will work across the core POS stack including React Native, Expo, Python/FastAPI backend, Terraform infra, Argo CD and Helm deployment configurations. You will own end-to-end delivery, from code to production reliability, on a completely remote team ...

MLOps Engineer

Location
York and North Yorkshire, England, United Kingdom
Responsibilities Develop and maintain infrastructure for deploying ML models in both real‐time and batch environments. Build and maintain Python APIs (Flask/FastAPI) to serve ML models. Collaborate with cross discipline engineers to integrate ML services into user‐facing applications. Work with platform engineers to align with infrastructure best … services or insurance is an advantage but not required. Solid experience as a Python developer, ideally in a machine learning engineering context (Flask/FastAPI, OOP, unit testing). Strong understanding of software engineering best practice. Experience with TDD. Experience with infrastructure as code tools like Terraform or similar. Infrastructure ...

Senior Machine Learning Scientist

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
If youre looking for a career that will help you stand out, join HSBC, and fulfil your potential - whether you want a career that could take you to the top, or an exciting new direction ...

Python Developer - Glasgow - Python/FastAPI/Pydantic - FTC

Hiring Organisation
TrinIT Talent Ltd
Location
Glasgow, Lanarkshire, United Kingdom
Employment Type
Any
Salary
GBP 80,000 Annual
Python Developer - Glasgow - Python/FastAPI/Pydantic - FTC TrinIT Talent are looking for a Python Developer to come on board for a 1-year Fixed Term Contract based in Glasgow . This role requires 3 days per week on-site in Glasgow, which is non-negotiable and is paying … strong, hands-on Python Developer with extensive recent experience building and supporting production-grade Python applications and services. The successful candidate will have strong FastAPI and Pydantic experience and be comfortable taking ownership of production services, reusable libraries, APIs and automation. This is an out-and-out development position requiring ...

Azure AI Developer

Location
Reading, England, United Kingdom
Designing and developing production-grade AI-powered applications. Building modern full-stack solutions using technologies such as React, Node.js, .NET/C#, Python and FastAPI . Integrating Microsoft AI technologies including Azure OpenAI, Azure AI Foundry, Foundry Agents and Azure AI Search . Building LLM-powered applications, RAG architectures, agentic … exposure to generative AI. Ideally, you’ll have: Extensive commercial full-stack development experience with one or more of: React/Node.js Python/FastAPI A strong track record of delivering production-grade software , not just prototypes. Experience designing and deploying applications within Microsoft Azure . Hands-on experience integrating ...

Infrastructure Python Developer

Hiring Organisation
Hays
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £400.0 per day + Inside IR35
Infrastructure Python Developer Rate: £400 per day (Inside IR35) Location: Sheffield, HSBC Grosvenor House, 1 Wellington Street, Sheffield S1 4NB Working Arrangement: Hybrid (60% office/40% remote) Contract Length: Until 27/11/ ...

Software Engineer III - Python/Test Automation

Location
Auchentibber, Scotland, United Kingdom
We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III - Python/Test Automation at JPMorganChase within the Commercial & Investment Bank ...

Software Engineer III- SDET, Python

Location
Glasgow, Scotland, United Kingdom
We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III at JPMorganChase within the Commercial & Investment Bank, particularly in the Payments ...