1 to 25 of 79 FastAPI Jobs in the South East

AI Engineer

Hiring Organisation
Cerberus Capital Management
Location
Slough, Berkshire, UK
Employment Type
Full-time
performance monitoring. Experience collaborating with engineering teams to ensure scalable and maintainable deployment. Backend & service development: Experience building production-grade Python webservices (e.g., FastAPI, Flask), developing APIs, and integrating ML components into broader systems. Software engineering practices: Comfortable with testing, code reviews, CI/CD pipelines, and version control ...

GenAI Full Stack Engineer - Consultant / Senior Consultant

Hiring Organisation
83zero Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
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 ...

Lead GenAI Full Stack Engineer / Managing Consultant

Hiring Organisation
83zero Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £88,000 per annum
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 ...

Senior Full Stack Developer

Hiring Organisation
Glite Tech
Location
Slough, Berkshire, UK
Employment Type
Full-time
building scalable mobile APIs (REST, etc.). Good principles of security management (secrets, protocols, etc.). Experience with some Python web frameworks (Django, Flask, FastAPI, etc.). Desirable Skills Can speak, or learning to speak, more than one language Experience with real-time databases. Experience with in-memory databases. Experience ...

AI Engineer

Hiring Organisation
esure Group
Location
Reigate, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£0 per annum
learn, Jupyter etc., and version control, e.g., Git. Exposure to LLMOps, model monitoring principles, CI/CD and associated tech, e.g., Docker, MLflow, k8s, FastAPI etc. Knowledge of Langchain, huggingface and LLM offerings by 3rd party vendors. Knowledge of OO programming and software design, i.e., SOLID principles. Knowledge and working ...

Database Engineer

Hiring Organisation
Searchability
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £70,000 per annum
alerting practices Clear communication skills and the ability to work effectively in a distributed team DESIRABLE EXPERIENCE Cloud platforms (GCP preferred), Docker, and Kubernetes FastAPI, Django, or Flask within a microservices environment CI/CD pipelines and automated deployment workflows Data modelling within AI or data science contexts ...

Full Stack Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £160,000 per annum
delivering modern web applications using React and Next.js, ensuring high-quality user experiences. You'll build and maintain backend services using Python (Django/FastAPI preferred), integrating with relational and NoSQL databases to support scalable features. A key part of the position is owning end-to-end system performance, including ...

Lead Software Engineer

Hiring Organisation
iDPP
Location
Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
capabilities , including: Large Language Models (LLMs) Retrieval-Augmented Generation (RAG) AI agents and orchestration workflows Designing and maintaining backend services and APIs (primarily Python, FastAPI/Flask) Building and scaling data pipelines and search systems using: ElasticSearch, Weaviate, Pinecone, and other vector databases Engineering secure, containerised architectures using Docker ...

AI Engineer

Hiring Organisation
Certain Advantage
Location
South East London, London, United Kingdom
Employment Type
Contract
relevant as possible, please ensure your CV demonstrates any prior experience you have relating to the below; System Integration & Deployment Model Deployment: Flask, FastAPI, MLflow Model Serving: Triton Inference Server, Hugging Face Inference Endpoints API Integration: OpenAI, Anthropic, Cohere, Mistral APIs LLM Frameworks: LangChain, LlamaIndex for building LLM-powered applications ...

Lead Data & Platform Engineer London

Hiring Organisation
FLOX
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
derived data sets Terabyte scale data on edge and cloud On-prem, cloud and edge compute DevOps/MLOps/Software Development Python and FastAPI Kafka, MySQL, MongoDB, PostgreSQL Docker; Kubernetes networking and service mesh; RKE2 RTMP, WebRTC, HLS, MPEG-DASH Prometheus, Grafana, Alertmanager, Thanos; ELK; Jaeger; custom exporters Jenkins ...

Python Developer / DevOps Engineer

Hiring Organisation
Gold Group
Location
Hampshire, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 Annual
company and progress into a DevOps role. Python Developer/DevOps Responsibilities: Design and develop backend services, APIs, and automation tools using Python (Flask, FastAPI, Django, etc.). Write clean, maintainable, and testable code following best practices. Build and maintain CI/CD pipelines using tools like GitLab. Collaborate with ...

Machine Learning Engineer

Hiring Organisation
Higher - AI recruitment
Location
Slough, Berkshire, UK
Employment Type
Full-time
communication skills and the ability to flourish in a team Located in London/Paris and open to working in office Tech Stack: Python FastAPI Python, Typescript, or React Open source LLMs Building for production Benefits Currently Offered (likely to improve as company grows): 100% coverage for travel expenses Childcare ...

Senior Software Engineer, Web Developer

Hiring Organisation
Diamond Light Source
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
Experience with GraphQL, OpenAPi spec, JSON Schema & SQL/No SQL databases. Familiarity with MonoRepo project structures (TurboRepo) Development ofAPIs with Python Frameworks e.g. FastAPI Benefits Diamond offers an exceptional benefits package to support staff in achieving a positive work/life balance. This includes 26 days annual leave plus ...

Full Stack Engineer Start Up

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£130,000 - £170,000 per annum
They're Looking For Experience: 7+ years (minimum 5) in software engineering; ideally with startup exposure. Tech Stack:Frontend: React, Next.js, TypeScript Backend: Python (FastAPI, Flask, Django), Go, Rust Mindset: Founding engineer mentality - proactive, curious, thrives in fast-paced environments. Bonus: Experience in high-calibre teams (fintech, AI, or similar ...

Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
include real-time collaboration tools, data-driven platforms, and internal applications supporting customer-facing software. Tech Stack (Open-Source) Backend: Python Frontend: Vue.js Frameworks: FastAPI, Vue 3 Databases: PostgreSQL, Redis Infrastructure: Linux, Docker, CI/CD pipelines Cloud: AWS Testing: Pytest, Jest You don't need experience with every tool ...

Backend Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £75,000 per annum
quality software solutions across the full development lifecycle. Build and deploy cloud-native applications using technologies such as AWS Lambda, Spring Boot, NodeJS, Python FastAPI, Oracle, PostgreSQL, and MongoDB . Work within Agile and DevSecOps environments, utilising tooling such as Atlassian, Jenkins, GitLab, OWASP and AWS services. Apply Site Reliability ...

Software Engineer (UAS)

Hiring Organisation
Diamond Light Source
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
Experience with GraphQL, OpenAPi spec, JSON Schema & SQL/No SQL databases. Familiarity with MonoRepo project structures (TurboRepo) Development ofAPIs with Python Frameworks e.g. FastAPI Benefits Diamond offers an exceptional benefits package to support staff in achieving a positive work/life balance. This includes 26 days annual leave plus ...

Software Engineer - New Launch Hedge Fund

Hiring Organisation
Radley James
Location
Slough, Berkshire, UK
Employment Type
Full-time
Deep experience with modern JavaScript frameworks (React preferred), TypeScript, and data visualisation tools. Proficiency in Python and familiarity with data workflows and backend frameworks (FastAPI/Flask). No sponsorship available – candidates must have the right to work in the UK. ...

Senior Backend Engineer

Hiring Organisation
Certain Advantage
Location
South East London, London, United Kingdom
Employment Type
Temporary
patterns Comfortable working in Agile environments Experience using Terraform for infrastructure as code Strong approach to unit testing (ideally with PyTest ) Nice to have FastAPI React/TypeScript HTML/CSS Why this role? Work on a central platform team with genuine architectural influence Build solutions that are used across ...

Chief Technology Officer

Hiring Organisation
Future find
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
arrangements in place. Technical Requirements Backend & APIs Strong experience designing REST and/or GraphQL APIs for production SaaS platforms Advanced proficiency in Python (FastAPI) and/or Node.js (TypeScript/NestJS) Deep understanding of multi-tenant system design, permissions, and role-based workflows Event-driven architectures using webhooks, queues ...

Chief Technology Officer

Hiring Organisation
Future find
Location
Woking, Surrey, UK
Employment Type
Full-time
arrangements in place. Technical Requirements Backend & APIs Strong experience designing REST and/or GraphQL APIs for production SaaS platforms Advanced proficiency in Python (FastAPI) and/or Node.js (TypeScript/NestJS) Deep understanding of multi-tenant system design, permissions, and role-based workflows Event-driven architectures using webhooks, queues ...

Chief Technology Officer

Hiring Organisation
Future find
Location
Dartford, Kent, UK
Employment Type
Full-time
arrangements in place. Technical Requirements Backend & APIs Strong experience designing REST and/or GraphQL APIs for production SaaS platforms Advanced proficiency in Python (FastAPI) and/or Node.js (TypeScript/NestJS) Deep understanding of multi-tenant system design, permissions, and role-based workflows Event-driven architectures using webhooks, queues ...

Chief Technology Officer

Hiring Organisation
Future find
Location
Portsmouth, Hampshire, UK
Employment Type
Full-time
arrangements in place. Technical Requirements Backend & APIs Strong experience designing REST and/or GraphQL APIs for production SaaS platforms Advanced proficiency in Python (FastAPI) and/or Node.js (TypeScript/NestJS) Deep understanding of multi-tenant system design, permissions, and role-based workflows Event-driven architectures using webhooks, queues ...

Chief Technology Officer

Hiring Organisation
Future find
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
arrangements in place. Technical Requirements Backend & APIs Strong experience designing REST and/or GraphQL APIs for production SaaS platforms Advanced proficiency in Python (FastAPI) and/or Node.js (TypeScript/NestJS) Deep understanding of multi-tenant system design, permissions, and role-based workflows Event-driven architectures using webhooks, queues ...

Chief Technology Officer

Hiring Organisation
Future find
Location
Slough, Berkshire, UK
Employment Type
Full-time
arrangements in place. Technical Requirements Backend & APIs Strong experience designing REST and/or GraphQL APIs for production SaaS platforms Advanced proficiency in Python (FastAPI) and/or Node.js (TypeScript/NestJS) Deep understanding of multi-tenant system design, permissions, and role-based workflows Event-driven architectures using webhooks, queues ...