376 to 400 of 443 FastAPI Jobs in the UK

Global AI/ML Engineer Manager

Hiring Organisation
Boston Consulting Group
Location
London, UK
Technical Excellence Champion engineering excellence, clean architecture, and maintainable code across squads. Hands-on in backend development – leading complex problem-solving in Python (especially FastAPI). Architect and support secure, scalable, and stable APIs and services that integrate with LLMs and modern cloud platforms (AWS). Promote DevOps practices … making strategic trade-offs. What You'll Bring 7+ years of hands-on software engineering experience with strong backend/API expertise using Python (FastAPI or Flask). 1+ years of hands-on experience with LLMs: building RAG solutions, agentic workflows, integrating LLMs (e.g., OpenAI, Gemini, Anthropic, etc.) into products ...

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 Data Engineer

Location
City Of London, England, United Kingdom
Senior Data Engineer Certain Advantage are recruiting for a Senior Data Engineer on a contract basis to start in September for 6-12 months, operating inside IR35. 3 days onsite in London is required per ...

Software Engineer

Location
Greater London, England, United Kingdom
AlliedOffsets is a leading provider of data and technology solutions on the voluntary carbon markets. We have built the industry’s first meta-registry of carbon offsetting projects, retirement transactions, corporate buyers, and intermediaries, in ...

AIML Software Engineer, AI for Science

Location
Greater London, England, United Kingdom
About the Role To strengthen our AI for Science (AI4S) team, we are looking for Software Engineers with a track record in developing production-grade, data-driven software solutions. You will design, build and operate ...

Engineering Team Lead – Tech

Location
Greater London, England, United Kingdom
Lead up to four engineers in a cross-functional agile team Drive adoption of cloud-first technologies Perform full-stack development across Python/FastAPI services and React/TypeScript front ends Improve team processes for iterative development Embed automated testing and CI quality gates into the AI product Champion … spikes to de-risk work and guiding iteration toward scalable architecture Ability to harden AI features against prompt injection and unbounded model behaviour Desirable: FastAPI, async SQLAlchemy and/or Node/Express Desirable: React/TypeScript front‐end development Desirable: LangChain, LangGraph or other multi‐agent/LLM orchestration ...

Software Engineer

Location
Greater London, England, United Kingdom
between tactical edge sensors in low-bandwidth environments and strategic HQs running enterprise analytics. Python Engineering: High proficiency in Python for microservices, API development (FastAPI/Flask), data processing, and backend service development. Docker & Container Orchestration: Deep knowledge of containerisation using Docker, multi-stage builds, minimal base images (for bandwidth … standards, automated testing, and building pipelines that package software into deployable Docker artifacts. The Experience You'll Bring Development & Tech: Python, Microservices, REST APIs, FastAPI, Flask, Asynchronous Programming, Object-Oriented Programming (OOP), Test-Driven Development (TDD). DevOps & Deployment: Docker, Docker Compose, Multi-Stage Builds, Kubernetes, K3s, Edge Computing ...

Senior Full-Stack Engineer - Team Agent

Location
Greater London, England, United Kingdom
Office or Iasi Hub. What You'll Do Build and ship features end-to-end for Taktile's AI agent platform: backend in Python (FastAPI) on AWS serverless infrastructure, and frontend in React and TypeScript. Build conversational copilot experiences end to end: chat UI components, streaming responses, rich in-chat … need to have passion for owning systems end to end and grow your DevSecOps skills as well. Team's tech stack Backend: Python (FastAPI, Pydantic) Frontend: React, TypeScript Data: DynamoDB, Postgres Cloud: AWS serverless (Lambda, API Gateway) AI: LLM orchestration, tool-use frameworks, streaming execution Requirements Strong engineering fundamentals with ...

Infrastructure Developer

Hiring Organisation
SQUAREPOINT CAPITAL
Location
London, United Kingdom
Salary
£ 120 K
compatible) — including volume provisioning, replication policy, data lifecycle, and performance tier assignment.CMDB as Source of Truth: Own the enterprise CMDB API layer — a FastAPI microservices architecture (CI API, Fabric API, Bare Metal API) backed by PostgreSQL, deployed on Kubernetes/Knative — ensuring it is the authoritative, real-time source …/TCP, iSCSI, S3Schedulers (L5): Kubernetes (GKE + on-prem), Slurm, Knative, NomadRuntime (L6): Spinux (standardized Linux), containers, GPU runtime, HashiVaultCMDB/API Platform: FastAPI, PostgreSQL, SQLAlchemy, Pydantic v2, Knative Eventing, PythonCloud: GCP (primary), AWS; BigQuery, GKE, cloud storage, Sagemaker HyperpodObservability: Prometheus, Grafana, ELK/Loki, AkvoradoSource Control & CI/ ...

Senior AI Engineer

Location
Greater London, England, United Kingdom
integrated services. Define and drive architecture for scalable, secure, reliable, and maintainable AI solutions deployed in production. Develop robust, well-tested backend APIs with FastAPI, containerized via Docker and deployed on Kubernetes. Architect and own search and retrieval solutions using Azure AI Search and MongoDB, including design of indexing strategies … including building and shipping production backend services. Hands‐on experience building applications with LLMs such as Azure OpenAI, OpenAI, Anthropic, or similar. Experience with FastAPI or comparable Python web frameworks. Production experience with Docker and Kubernetes, including deployment and management on AKS. Strong hands‐on experience with Azure, including Azure ...

Infrastructure Python Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Full-Time
Salary
£400.00 per day
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/ ...

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 - Python/Test Automation

Hiring Organisation
JP Morgan Chase
Location
Glasgow, Lanarkshire, United Kingdom
Salary
£ 80 K
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 ...

Software Engineer III - Python/Test Automation

Hiring Organisation
JP Morgan Chase
Location
Glasgow, UK
Employment Type
Full-time
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 ...

Full Stack AI-Driven App Developer (FastAPI/React)

Location
West of England, England, United Kingdom
seeking an experienced Full Stack Application Developer to join the Planning Consultancy tech capability. You will deliver AI-enabled features using Python/FastAPI back ends and React/TypeScript front ends within an agile team. This hands‐on role emphasizes test‐driven development and collaborative technical direction. You will ...

Backend Python Developer

Location
Greater London, England, United Kingdom
Software Engineer (multiple vacancies) - Python | FastAPI | AWS | Microservices £75,000-£100,000 base salary + equity at a household name Flexible benefits budget | Monthly socials | 90 day work-from-anywhere perk Python, FastAPI, PostgreSQL, DynamoDB, AWS, EKS Central London, 1 day a week InsurTech | Microservices | Greenfield Development We've partnered … They're looking for a number of bright, engaging software engineers familiar with or interested in working with their tech stack. Tech stack: Python (FastAPI, Starlette) gRPC GraphQL PostgreSQL DynamoDB AWS EKS CI/CD pipelines What you'll be doing: Contributing to the design and development of scalable backend ...

Senior Developer

Hiring Organisation
SR2
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£625.00 - £750.00 per day
s. You'll work in a mixed team of engineers from several suppliers, alongside a dedicated AI engineering capability. The platform combines Python/FastAPI services, React and TypeScript interfaces, Camunda workflow orchestration, modular services, data persistence, and integration with existing Defence tasking processes. Despite the AI-enabled focus … experience delivering software in MOD, Defence Intelligence, National Security or comparable secure environments Proven experience leading agile development teams Strong engineering background across Python, FastAPI, REST APIs, React and TypeScript Experience designing and delivering microservice architectures ...

Senior Developer

Location
City Of London, England, United Kingdom
s. You'll work in a mixed team of engineers from several suppliers, alongside a dedicated AI engineering capability. The platform combines Python/FastAPI services, React and TypeScript interfaces, Camunda workflow orchestration, modular services, data persistence, and integration with existing Defence tasking processes. Despite the AI-enabled focus … experience delivering software in MOD, Defence Intelligence, National Security or comparable secure environments Proven experience leading agile development teams Strong engineering background across Python, FastAPI, REST APIs, React and TypeScript Experience designing and delivering microservice architectures #J-18808-Ljbffr ...

Senior Python Developer

Hiring Organisation
Henderson Scott
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £484 per day + PAYE + holiday pay
Senior Python Developer - Collibra - Pydantic - FastAPI - 12 month contract - Glasgow Hybrid (3 days onsite) I am looking for an experienced Python Developer with experience of Collibra to deliver robust data structures, metadata models and automation tools for our client in central Glasgow. What you'll focus on: Turning regulatory, risk … quality while maintaining security, compliance and accuracy. What we're looking for: Strong Python development background with hands-on experience of Pydantic and FastAPI for data modelling, validation, schema design, serialisation and API development. Practical experience with JSON, YAML, REST APIs and SQL in data-heavy environments. Extensive experience with ...

Senior Python Developer

Hiring Organisation
Henderson Scott
Location
London, United Kingdom
Salary
0
Senior Python Developer - Collibra - Pydantic - FastAPI - 12 month contract - Glasgow Hybrid (3 days onsite) I am looking for an experienced Python Developer with experience of Collibra to deliver robust data structures, metadata models and automation tools for our client in central Glasgow. What you'll focus on: Turning regulatory, risk … quality while maintaining security, compliance and accuracy. What we're looking for: Strong Python development background with hands-on experience of Pydantic and FastAPI for data modelling, validation, schema design, serialisation and API development. Practical experience with JSON, YAML, REST APIs and SQL in data-heavy environments. Extensive experience with ...

Senior II Product Engineer

Hiring Organisation
9fin
Location
London, United Kingdom
Salary
£ 80 K
without stalling delivery.Use AI assisted engineering to move faster on understanding, prototyping, and shipping code.Our backend stackPython is the dominant backend language.Flask and FastAPI, with strong typing and Pydantic powering automated documentation and API definitions.PostgreSQL at the heart of most services.AWS for cloud hosted services, with heavy … skills around APIs, service boundaries, and the flow of data from persistent storage through to clients.Strong Python experience, including modern web frameworks (we use FastAPI with Pydantic and strong typing).Deep working knowledge of SQL and relational data modelling.Excellent collaboration and communication, including the ability to explain complex systems ...

Senior II Product Engineer

Hiring Organisation
9fin
Location
London, UK
Employment Type
Full-time
delivery. Use AI assisted engineering to move faster on understanding, prototyping, and shipping code. Our backend stackPython is the dominant backend language. Flask and FastAPI, with strong typing and Pydantic powering automated documentation and API definitions. PostgreSQL at the heart of most services. AWS for cloud hosted services, with heavy … around APIs, service boundaries, and the flow of data from persistent storage through to clients. Strong Python experience, including modern web frameworks (we use FastAPI with Pydantic and strong typing).Deep working knowledge of SQL and relational data modelling. Excellent collaboration and communication, including the ability to explain complex systems ...

AI Engineer

Location
Birmingham, England, United Kingdom
Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We help customers outperform their competition through speed and innovation, wherever they are in the digital ...