19 of 19 FastAPI Jobs in the South East

Senior AI Consultant - Agentic AI & Generative AI

Location
Brighton, England, United Kingdom
plus AI product UX patterns such as streaming, review loops, provenance/citations, long-running tasks and error recovery. Back-end: Django (5.x+), DRF, FastAPI, Pydantic, Celery, Django Channels, Flask and RESTful APIs. Databases and storage: PostgreSQL, MS SQL Server, MongoDB, Firestore, BigQuery, Azure Blob Storage. Cloud and DevOps: Azure ...

Software Engineer - Data & AI

Hiring Organisation
McLaren Group
Location
Woking, Surrey, UK
Employment Type
Full-time
agile sprints, balancing exploratory R&D with production-grade delivery. Give honest estimates and flag scope risk early. What You'll Bring Python (FastAPI), Node.js, REST APIs. SQL and PostgreSQL.Redis/Valkey for session and WebSocket coordination at scale. Strong JavaScript/TypeScript, HTML5, CSSReact (or equivalent), component architecture, state ...

Full Stack Engineer - Must be DV Cleared

Hiring Organisation
VIQU IT Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
partners and turning what they need into something buildable. What You Will Need Python. Serious commercial experience building back end services, APIs and tooling. FastAPI, Django, Flask, whichever you have used in anger. TypeScript. Serious commercial experience on modern front ends with React, Vue or Angular. Linux. Properly comfortable without ...

Senior AI Software Engineer

Location
Bicester, England, United Kingdom
role. Strong full-stack software engineering capability, including backend and frontend development using modern languages and frameworks such as C#, Python, TypeScript, ASP.NET Core,FastAPI, React, Vue, Svelte or equivalent technologies. Hands-on experience with GenAI technologies, including practical use of LLMs, AI coding assistants, promptengineeringand integration of AI capabilities ...

Machine Learning Engineer - Conversational AI & MLOps

Hiring Organisation
Robert Walters
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
Automatic Speech Recognition (ASR), Text-to-Speech (TTS), LLM and Small Language Model (SLM) pipelines. Building high-performance asynchronous REST and WebSocket APIs using FastAPI to support real-time conversational AI applications. Deploying machine learning workloads across AWS, Azure, GCP and on-premise/bare-metal infrastructure . Designing automated ...

Lead AI Engineer

Location
Crawley, England, United Kingdom
between technical developers and business teams, showcasing strong leadership, creativity, and ethical problem‐solving. Technical Expertise & Tools Python: Advanced, production‐grade proficiency (Pandas, NumPy, FastAPI/Flask) with an absolute focus on writing clean, modular, and highly testable code. SQL: Expert querying, database design, partitioning, and optimization strategies for large ...

Senior Threat Modelling & Application Security Engineer

Hiring Organisation
Sanderson
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 - £500.00 per day
Knowledge of OWASP, CWE, authentication, authorisation, encryption and infrastructure security. Experience with Terraform/CloudFormation, CI/CD and Jira. Strong Python skills, including FastAPI and Pytest. Experience within a regulated environment. Desirable Docker, Kubernetes, Helm, Serverless, GitOps and CDK. Penetration testing exposure. Snowflake, MongoDB, Databricks, GitHub and Terraform Cloud. ...

Senior Data Scientist

Hiring Organisation
Sirius Analysis Limited
Location
Portsmouth, Hampshire, UK
into technical requirements and development objectives. ·Python expertise covering standard data science libraries (NumPy, pandas, matplotlib, Scikit-learn, PyTorch, etc...), web frameworks (Flask or FastAPI) and visualisation (Dash, Plotly, & Streamlit). ·Proficient in SQL. ·Working with unstructured data ·Building customer and stakeholder relationships. ·Supporting and leading authoring of technical reports ...

Lead Data Scientist - AI

Location
Crawley, England, United Kingdom
between technical developers and business teams, showcasing strong leadership, creativity, and ethical problem-solving. Technical Expertise & Tools Python: Advanced, production-grade proficiency (Pandas, NumPy, FastAPI/Flask) with an absolute focus on writing clean, modular, and highly testable code. SQL: Expert querying, database design, partitioning, and optimization strategies for large ...

Infrastructure Developer

Hiring Organisation
Ncounter
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£110,000 - £130,000 per annum
cloud • Working closely with infrastructure, platform, security and application engineering teams We are particularly interested in engineers with: • Strong commercial Python software development experience • FastAPI, SQLAlchemy, Pydantic and PostgreSQL exposure • Excellent REST API design and systems integration knowledge • Experience modelling complex infrastructure or configuration data • Knowledge across at least ...

Threat Modeling – Cyber Security

Hiring Organisation
Diana Duggan UK Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 - £500.00 per day
CloudFormation) Understanding of docker/K8S/serverless/helm – must. Strong proficiency in Programming Languages, with a preference for Python (asynchronous programming), and FastAPI Unit Testing: Developing and executing unit tests using frameworks like Pytest to ensure code quality Ensure all software platforms adhere to security standards and Software ...

Senior Azure AI Full-Stack Developer (Hybrid, Reading)

Location
Reading, England, United Kingdom
enterprise customers. You’ll work across customer projects, turning business needs into production-grade software using React, Node.js, .NET/C#, Python and FastAPI, with a focus on secure, scalable solutions in Azure. This hybrid role combines hands-on development with mentoring and defining reusable AI patterns. #J-18808-Ljbffr ...

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 - LLM & Agentic Systems

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£600.00 - £650.00 per day, Negotiable
problems. Owning delivery end-to-end - from initial exploration through to production deployment, integration and ongoing iteration. Working with MCP-style architectures (FastMCP/FastAPI) and LangChain/LangGraph or equivalent frameworks to build reliable, scalable systems. Integrating AI into products, APIs and core business workflows - with a sharp ...

Data Engineer (Autonomous Systems) Scientific Data Oxford, England, United Kingdom

Location
Oxford, England, United Kingdom
hard part. Stateful stream processing (Flink, Kafka Streams, Beam or similar): event time, watermarks, exactly-once. APIs for data ingestion and consumption with FastAPI, gRPC or GraphQL. Graph stores and entity resolution or curation at scale, where the interesting decisions are about what to keep, merge or drop. Experience working ...

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 ...

Principal Architect – AI

Hiring Organisation
Career poster
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
build platforms for long-running agentic workflow systems, including AI gateways and supporting infrastructure services. Design Docker-based services using Linux container environments, Python, FastAPI, TypeScript, MCP/FastMCP, OpenAI and AWS Bedrock.Apply secure boundaries around credentials, service access, tool invocation and human-in-the-loop operation for AI/… operating complex software platforms, Linux-based systems, distributed services, APIs and integrations. Strong, current hands-on experience with Docker/containerised environments, Python, FastAPI, TypeScript, and AI-specific tooling such as MCP/FastMCP, OpenAI APIs and AWS Bedrock. Practical experience building or integrating AI gateways, agentic workflow systems ...