26 to 50 of 98 FastAPI Jobs in the UK

Senior AI/ML Scientist

Hiring Organisation
Jobleads-UK
Location
United Kingdom
concepts including Neural Networks and Transformer-based architectures.* Knowledge in developing and deploying scalable models on Databricks, Azure, and AWS, leveraging tools such as FastAPI and Docker.* Proficient in model tracing and observability for LLM in production and implementing evaluation frameworks for model quality and reliability.* Strong understanding of software ...

Python Developer

Hiring Organisation
Gazelle Global Consulting Ltd
Location
East Anglia, United Kingdom
Employment Type
Contract
role offers exposure to modern development practices, containerisation and CI/CD in a highly technical environment. Key Skills Python development Flask or FastAPI REST API development SQL & NoSQL databases Docker & Docker Compose Linux & Bash scripting Jenkins or GitLab CI/CD Git version control Automation frameworks Networking fundamentals (HTTP ...

Python Developer

Hiring Organisation
17918
Location
London, United Kingdom
role offers exposure to modern development practices, containerisation and CI/CD in a highly technical environment. Key Skills Python development Flask or FastAPI REST API development SQL & NoSQL databases Docker & Docker Compose Linux & Bash scripting Jenkins or GitLab CI/CD Git version control Automation frameworks Networking fundamentals (HTTP ...

Senior Backend Engineer (Outside IR35)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
mindset: high autonomy, a passion for greenfield engineering, and a track record of thriving in fast-moving startup environments. Familiarity with tools like PostgreSQL, FastAPI, Docker, and GCP/AWS will make you stand out immediately. If you are an experienced contractor ready to take full ownership of a greenfield ...

Senior AI Engineer Manager/Associate Director Capital Markets

Hiring Organisation
Datatech Analytics
Location
London, United Kingdom
Employment Type
Permanent
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, Scotland, United Kingdom
Employment Type
Permanent
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
Manchester, North West, United Kingdom
Employment Type
Temporary
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 ...

AI Platform engineer

Hiring Organisation
Nextech Group Limited
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
model-serving infrastructure and prompt-caching strategies Drive API versioning and backwards compatibility as the product iterates quickly Core Tech Stack: Languages: Python (FastAPI), Go, TypeScript (Node.js) Databases: PostgreSQL, Redis, Pinecone/pgvector Infra: AWS (ECS, Lambda, SQS/SNS), Docker, Kubernetes, Terraform AI/ML tooling: LangChain/LlamaIndex ...

Context Plane Python Engineer

Hiring Organisation
Jobleads-UK
Location
Glasgow, Scotland, United Kingdom
concepts and advanced applied experience Demonstrated expertise building production-grade backend services and data pipelines in Python Strong command of API design principles (e.g., FastAPI), automated testing, CI/CD practices, and source control workflows Experience designing and building data ingestion or integration pipelines at scale, with attention to data ...

Python Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Permanent
developing automation systems for trade processing workflows, creating custom data visualization tools, and architecting web applications using Flask/Django/FastAPI stacks. You'll have autonomy to drive technical decisions while collaborating with C-suite stakeholders to solve complex financial data challenges. We need someone who understands ...

Senior Software Engineer

Hiring Organisation
Tria
Location
Bristol, United Kingdom
Employment Type
Permanent
Salary
£55000 - £65000/annum
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 ...

Senior Full Stack Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Interested in building software that directly impacts how businesses operate. Preferred Experience 5+ years of software engineering work experience. Experienced in Typescript, Python, React, FastAPI, Django, Flask, and AWS. Strong experience designing distributed systems and scalable applications. Experience owning production systems and making architectural decisions. Familiarity with cloud infrastructure, APIs ...

Senior Application Development Lead - Generative AI (GenAI), Vice President

Hiring Organisation
Jobleads-UK
Location
Belfast City District, Northern Ireland, United Kingdom
native architecture, production APIs, and monitoring/observability tools, with an emphasis on reliability and scalability. Strong hands‐on software engineering skills, including Python, FastAPI, async programming patterns, and building high‐performance AI‐powered APIs. Understanding of AI system evaluation, safety, and governance, including hallucination handling, guardrails, feedback loops ...

GenAI-Driven Senior Software Engineer (Java/Python)

Hiring Organisation
Jobleads-UK
Location
Belfast City District, Northern Ireland, United Kingdom
Python) to help shape next‐gen financial software. You will engage in full‐stack development, leverage Spring Boot/Core and Flask/FastAPI, and build cloud‐native solutions with modern JS frameworks. You will also explore Gen‐AI concepts, APIs, and scalable architectures while mentoring mid‐level staff ...

Senior Product Engineer, £700/day (Outside IR35)

Hiring Organisation
Morson Edge
Location
Manchester, North West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£600 - 700 per day
customer value, not just implementation) Evidence of iterative delivery (MVPs, feedback loops, prioritisation) Ability to work with ambiguity and challenge requirements Tech: Python, TypeScript FastAPI, Django, Vue MongoDB, PostgreSQL Kubernetes GCP In return they're offering an initial 6-month contract outside IR35 paying up to £700/day. ...

Senior Product Engineer, £100k + benefits

Hiring Organisation
Morson Edge
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
customer value, not just implementation) Evidence of iterative delivery (MVPs, feedback loops, prioritisation) Ability to work with ambiguity and challenge requirements Tech: Python, TypeScript FastAPI, Django, Vue MongoDB, PostgreSQL Kubernetes GCP The money is good too – up to £100k plus benefits including bonus, share options and private healthcare. ...

Senior AI Software Engineer (GenAI)

Hiring Organisation
Infosec
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £700 per day + + Fully remote
Embeddings Vector search and retrieval Context engineering Prompt orchestration LLM deployment experience, not just experimentation Azure OpenAI, Ollama and/or Vertex AI Python, FastAPI and REST API development LangChain and/or LangGraph AKS, Kubernetes, Docker and Helm Secure AI development and DevSecOps practices including: RBAC Azure ...

Backend Developer

Hiring Organisation
First Choice Staff
Location
Feltham, London, United Kingdom
Employment Type
Permanent
Salary
£40,000
covering architecture, processes, and code Essential Skills and Experience Solid proficiency in Python, JavaScript, and SQL Strong understanding of back-end frameworks (e.g. Flask, FastAPI, Node.js or similar) Experience working with cloud platforms (e.g. DigitalOcean, AWS, or Azure) Experience developing or maintaining RPA solutions Ability to work independently, managing ...

Digital Promotion Developer Freight

Hiring Organisation
Heathrow Personnel
Location
Hounslow, London, United Kingdom
Employment Type
Permanent
Salary
£40,000
systems, processes, and deployments. Essential Skills & Experience Strong commercial experience with Python, JavaScript, and SQL. Experience working with back-end frameworks such as Flask, FastAPI, Node.js, or similar. Hands-on experience with cloud platforms such as AWS, Azure, or DigitalOcean. Experience developing or supporting Robotic Process Automation (RPA) solutions. Strong ...

Python Software Engineer

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 ...

Founding Engineer

Hiring Organisation
SR2
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum
Founding Engineer | Cambridge | Hybrid | £70,000-£80,000 + Equity Tech stack: Python (FastAPI) - the bread & butter! React & TypeScript PostgreSQL Azure Docker AI/LLMs Some startups are trying to make meetings 3% more efficient. This one is tackling a problem that affects millions of people every day, even ...

MLOps Engineer

Hiring Organisation
Jobleads-UK
Location
United Kingdom
production‐quality software. Knowledge of AI system security, model governance, compliance, monitoring, and observability tools such as Prometheus, Grafana, Datadog, or OpenTelemetry. Experience with FastAPI, Databricks, Snowflake, SRE practices, or cloud security certifications is considered an advantage. Benefits Competitive salary and equity package. Comprehensive healthcare coverage for employees and eligible ...

Senior Backend Engineer | AI Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
teams to understand their needs and provide scalable platform solutions. Continuously improve developer experience and platform adoption across the organization. Tech Stack: Backend Python FastAPI Agent Development Kit (ADK) Datastores PostgreSQL BigQuery Firestore Infrastructure Google Cloud Platform (GCP) RabbitMQ Terraform Monitoring & Observability Grafana Prometheus Langfuse incident.io Sentry What to Expect ...

AI & ML Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
tooling, contributing ideas and recommendations for continuous improvement. Who you will work with Data and AI Team About you Strong Python engineering skills (FastAPI, testing, typing) and experience with cloud‐native development (GCP preferred). Hands‐on experience with GCP Vertex AI (model endpoints, pipelines, embeddings, vector search) or equivalent ...

Network DevOps Engineer

Hiring Organisation
MBDA UK
Location
Bristol, Filton, Gloucestershire, United Kingdom
Employment Type
Permanent
Salary
£55000/annum
network automation applications and APIs. Strong experience designing, consuming, and integrating REST and GraphQL APIs using frameworks such as Django REST Framework, FastAPI and Pydantic. Proficiency working with standard data structures, serialisation, and templating languages (e.g., JSON, YAML, Jinja2). In-depth understanding of DevOps principles and Agile software development ...