1 to 25 of 83 FastAPI Jobs

Python Developer - UK Remote Contract - Outside IR35

Hiring Organisation
Infused Solutions Ltd
Location
Nationwide, United Kingdom
Employment Type
Contract
/CD pipelines and automated testing Experience working within Agile delivery environments Strong problem-solving and debugging skills Desirable Experience Experience with FastAPI, Django, or Flask Exposure to event-driven architectures and messaging technologies Experience building data-intensive applications Knowledge of infrastructure-as-code practices Bonus Skills Any commercial ...

Senior Python Engineer

Hiring Organisation
Method Resourcing
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
What We're Looking For Essential Professional Python development experience Strong understanding of software design patterns and engineering principles Experience with frameworks such as FastAPI, Django, or Flask Solid knowledge of RESTful APIs and distributed systems Experience working with relational and NoSQL databases Strong testing experience (PyTest, unit, integration ...

Software Engineer (AI+Fullstack)

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55,000
skills by exploring and experimenting with emerging technologies, including GenAI. Your skills and experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity ...

Software Engineer (AI+Fullstack)

Hiring Organisation
83zero Limited
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£55,000
skills by exploring and experimenting with emerging technologies, including GenAI. Your skills and experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity ...

AI Lead Engineer

Hiring Organisation
167 Solutions Ltd
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
training, testing and evaluation Prompt Engineering and AI workflow optimisation Programming & Frameworks Strong Python development skills PyTorch TensorFlow Scikit-Learn LangChain LangGraph Hugging Face FastAPI REST APIs Data Technologies SQL NoSQL Databases Data Modelling ETL Development Data Pipeline Engineering Vector Databases such as Pinecone, Weaviate or ChromaDB Cloud & DevOps Experience ...

AI Engineer

Hiring Organisation
167 Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £130,000 per annum
training, testing and evaluation Prompt Engineering and AI workflow optimisation Programming & Frameworks Strong Python development skills PyTorch TensorFlow Scikit-Learn LangChain LangGraph Hugging Face FastAPI REST APIs Data Technologies SQL NoSQL Databases Data Modelling ETL Development Data Pipeline Engineering Vector Databases such as Pinecone, Weaviate or ChromaDB Cloud & DevOps Experience ...

Senior AI Engineer

Hiring Organisation
Cognizant
Location
City of London, London, United Kingdom
standards. Participate in code reviews and maintain documentation for backend services. Key skills and experience Hands-on experience with Python frameworks such as Flask, FastAPI, or Django. Proven experience building and maintaining RESTful APIs. Solid understanding of API design, security, versioning, and scalability. Python proficiency, LLM orchestration (RAG), and hands ...

Senior Data Scientist - UK remote

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
solving skills Excellent communication and stakeholder engagement skills Technology Stack Python, SQL, Databricks, PyTorch, Transformers/LLMs, Prompt Engineering, Pandas, Spark, AWS, Azure, PostgreSQL, FastAPI, Git, CI/CD, Knowledge Graphs What's on Offer Fully remote UK-based role Opportunity to work on cutting-edge AI and machine learning ...

Senior AI Engineer

Hiring Organisation
IO Associates
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £700 per day
vector databases (e.g., Pinecone, Qdrant, Milvus, Chroma). Software Fundamentals: Background in solid software engineering practices (Git, testing, design patterns, API development via FastAPI/Flask). Cloud Infrastructure: Experience deploying to secure cloud environments (AWS, Azure, or GCP) utilizing standard K8s distributions (EKS, AKS, GKE). Clearance Requirements Hold ...

Senior Backend Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
environment, this role offers both autonomy and real impact. Requirements Backend Architecture & APIs (Primary Focus) Design and evolve scalable backend services in Python using FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward compatibility. ...

Python Developer

Hiring Organisation
NEEV LIMITED
Location
London, United Kingdom
Employment Type
Permanent
Python, React.js, SQL, and Databricks for building scalable, data-driven Key Responsibilities Backend Development (Python) Build APIs and services using Python frameworks (Flask, FastAPI, Django). Integrate with Databricks SQL endpoints for data access. Ensure performance, scalability, and security of backend systems. Databricks & Data Engineering Develop ETL pipelines and workflows ...

Senior MLOps Engineer

Hiring Organisation
Hiiya
Location
Manchester Area, United Kingdom
engineering best practices Supporting the deployment and monitoring of ML applications in production Tech environment includes: Python AWS/Azure/GCP Kubernetes & Docker FastAPI Infrastructure as Code CI/CD pipelines ML frameworks such as PyTorch/TensorFlow What they’re looking for: Strong Python engineering experience Experience deploying ...

Lead SaaS Architect – Commercial Transformation Platform, AI Powered

Hiring Organisation
Stratence Partners
Location
United Kingdom
Authentication & authorization Secure-by-design environments GDPR & enterprise data privacy Auditability & secure handling of sensitive information Technical Environment Strong preference for experience with: Python FastAPI TypeScript React/Next.js PostgreSQL ClickHouse Docker LangGraph Qdrant Cloud environments (AWS/Azure/GCP) What matters most We are NOT looking for: architecture ...

Senior Full Stack Engineer (GCP, Python, JavaScript) Remote

Hiring Organisation
Exalto Consulting
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £410/day
performance within React. ● NodeJS/Express: Strong experience building and scaling server-side applications using Express. ● Python Expert: Strong experience building backend services using FastAPI and managing database migrations with Alembic. ● AI Tooling: Familiarity with integrating AI APIs (such as Codex or Claude) and using AI-assisted development workflows. ● Agile ...

Python Developer - 6 months - Wokingham

Hiring Organisation
Hamilton Barnes
Location
Wokingham, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 325 Daily
well-structured code. Develop and maintain RESTful APIs using OpenAPI/Swagger, Connexion, or FastAPI. Work with Python web frameworks such as Flask, Django, FastAPI, and Jinja2. Data, Analytics & Databases Perform data manipulation and analysis using tools like Pandas and NumPy. Design, query, and maintain both relational databases (eg, PostgreSQL ...

Senior Python Developer - FinTech

Hiring Organisation
Client Server
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
London three days a week with flexibility to work from home the other two days. About you: You have strong Python development skills including FastAPI (will also consider Django or Flask experience) You have experience of working on event driven microservices with large scale data You're keen to take ...

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
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 ...

Artificial Intelligence Engineering Consultant

Hiring Organisation
MBN Solutions
Location
City of London, London, United Kingdom
agent-based applications Deliver rapid prototypes to validate technical and business use cases Build and maintain production-grade AI services and APIs (e.g. FastAPI or similar) Collaborate with engineers, data scientists, architects, and business stakeholders to deliver end-to-end solutions Evaluate and implement AI technologies across open-source ...

R&D Software Engineer

Hiring Organisation
FBI &TMT
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£60,000
tools, LLMs, speech services, RAG systems, or AI APIs Experience with Unreal Engine, Unity, or other real-time 3D development environments Familiarity with Docker, FastAPI, REST APIs, Git, and deployment workflows Experience with simulation, defence, XR, training systems, or serious games Familiarity with cloud services or local/offline model ...

Hybrid Python Senior Software Engineer

Hiring Organisation
Velocity Talent Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
development and architectural design. This role is built for a technical leader who prioritizes high-impact delivery over routine maintenance. Tech Stack Backend: Python, FastAPI, Ruby on Rails Frontend: React.js, Next.js, React Native Cloud: AWS, Terraform, Ansible, Docker Logging & Monitoring: Splunk Practices: Cross - functional squads, Agile, transitioning toward TDD Experience ...

Senior Python Engineer AI/ML

Hiring Organisation
IT Recruitment Solutions
Location
City Of London, England, United Kingdom
Goffin at IT Recruitment Solutions now! Senior Python Engineer, AI/ML Engineer, Senior Python Developer, Artificial Intelligence, Machine Learning, LLMs, FastAPI, Permanent, London 1 day pe r week £90,000 - £110,000/year + good b enefits ...

Lead Software Engineer

Hiring Organisation
MARSH CORPORATE SERVICES LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
pensions covenant/advisory/trustee-facing tools, and strong ability to connect technical design to covenant outcomes. Experience with Python-based services (e.g., FastAPI) and modern web stacks (e.g., Next.js/React.js) in real-world delivery. Practical experience delivering GenAI/agentic solutions (prompt engineering, RAG, governance patterns ...

Senior Software Engineer - Python/Web, office based - London

Hiring Organisation
Tech Talent ID
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 - 85,000 Annual
software solutions, providing technical guidance to a small team, ideally offering experience across. Solid Python web development in a B2B product setting Django FastAPI/Flask beneficial AWS DevOps Agile Please note, this role requires Full Time attendance in their central London office - please only apply if that is something ...

AI Engineer - Financial Service Consulting

Hiring Organisation
Datatech Analytics
Location
London, United Kingdom
Employment Type
Permanent
business teams Supporting AI deployment, governance and operational rollout Environment Python, SQL LLMs, prompt engineering, fine-tuning, RAG LangChain, LangGraph, Agent frameworks Vector databases, FastAPI, APIs AWS, Azure, GCP or Databricks CI/CD, MLOps and LLMOps Requirements Strong software or data engineering foundations Experience delivering AI or AI-enabled ...