1 to 25 of 74 FastAPI Jobs in London

Python Full Stack Developer

Hiring Organisation
Hexaware Technologies
Location
London Area, United Kingdom
end. Ensure application performance, security, and reliability. Participate in code reviews, architecture discussions, and continuous improvement initiatives. Required Skills Backend Strong experience in Python (FastAPI, Django, Flask preferred). RESTful API development & microservices architecture. Frontend Hands-on experience with React.js , JavaScript, TypeScript, HTML, CSS. AI/GenAI Experience with ...

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms ...

GenAI Full Stack Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
with multidisciplinary teams to deliver impactful digital experiences. Key Responsibilities Build GenAI applications using frameworks like LangChain, LangGraph, or CrewAI. Develop microservices using Python (FastAPI) or TypeScript (Express). Create front-end applications with React, TypeScript, and frameworks like Next.js or Vite. Integrate LLMs (e.g., OpenAI, Anthropic, Mistral) and vector ...

Senior Software Developer (Full Stack)

Hiring Organisation
Reed
Location
Holborn, London, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £95,000 per annum, Inc benefits
years of commercial software development experience. Proven success in high-performing engineering teams within fast-paced environments. Deep expertise in: Python (Django, Flask, or FastAPI) PostgreSQL (design, optimisation, maintenance) Containerisation (Docker/Kubernetes) Event-driven architecture (Kafka/RabbitMQ) Desirable experience includes: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Terraform ...

Python Developer

Hiring Organisation
Wipro
Location
London Area, United Kingdom
Scikit-learn • Data handling using Pandas, NumPy, and SQL • Supervised and unsupervised learning with deep learning fundamentals • Model deployment using REST APIs, Flask or FastAPI, and Docker Desirable Skills • Cloud platforms such as AWS, Azure, or GCP for model hosting and pipelines • CI/CD tools and version control using ...

Senior Full Stack Developer

Hiring Organisation
Glite Tech
Location
City of London, London, United Kingdom
scalable mobile APIs (REST, HTTPS, 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 ...

Founding Engineer

Hiring Organisation
Higher - AI recruitment
Location
City of London, London, United Kingdom
Essential: 5+ years in high-impact, early-stage product teams: you've shipped and scaled full stack products Strong backend (Node.js, Python/Flask, FastAPI) and frontend (React, Next.js, Vue) fundamentals ML/data science proficiency: Python, SQL, pandas, scikit-learn, PyTorch/TensorFlow Experience with cloud platforms ...

Software Engineer

Hiring Organisation
Squirrel
Location
London Area, United Kingdom
uncertainty environments Excellent communication and collaboration skills Demonstrated curiosity and drive to learn through experimentation Preferred: Familiarity with tech stack: Next.js, React, TypeScript, Python, FastAPI, Postgres, Redis Experience with cloud infrastructure (AWS, GCP) Exposure to or experience with foundation models or Generative AI (LLMs, RAG, fine-tuning, agents, evals ...

DevOps Engineer - MLOps - Remote Working

Hiring Organisation
Oliver Bernard
Location
East London, London, United Kingdom
hurt! Tech/Tools you’ll be working with (some of them!) Kubeflow Spark/MLlib/Tensorflow/PyTorn REST/FastAPI Docker/Kubernetes Terraform/Ansible GitOps Python/Bash ...

DevOps Engineer - MLOps - Remote Working

Hiring Organisation
Oliver Bernard
Location
Central London / West End, London, United Kingdom
hurt! Tech/Tools you’ll be working with (some of them!) Kubeflow Spark/MLlib/Tensorflow/PyTorn REST/FastAPI Docker/Kubernetes Terraform/Ansible GitOps Python/Bash ...

Full Stack Engineer

Hiring Organisation
BioTalent
Location
City of London, London, United Kingdom
include: Building and maintaining backend services in Python , including APIs and data-processing pipelines Developing frontend applications using Next.js and React Designing and implementing FastAPI endpoints for data-intensive application Writing robust tests using pytest and managing CI workflows via GitHub Actions Collaborating with engineers and researchers to deliver features ...

Python Developer

Hiring Organisation
Runtime Group Ltd
Location
London Area, United Kingdom
class - 2;1 Degree in Comp Sci or STEM subject from a Top ranked University 3+ years of experience in Python development Tech: Python, FastAPI, Pydantic, PostgreSQL, Numpy, Pandas, AWS DevOps tools: Kubernetes, Docker,Terraform, Jenkins Very strong software engineering principles Enthusiasm for startup environment and cross-functional teams Passion ...

Lead Python Developer

Hiring Organisation
Hireful
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
revamp the future of technology in education. Happy to speak to all Senior Python Developers, as long as you have worked with flask or FastAPI, have led or mentored a team and are keen to learn and use new technologies Fancy taking ownership over building scalable Python applications, driving Agile ...

Senior Software Engineer

Hiring Organisation
Vertus Partners
Location
City of London, London, United Kingdom
automated deployment pipelines. Required Skills & Experience Strong proficiency in Python , with experience in libraries such as Pandas , NumPy , and application frameworks (e.g., Flask , FastAPI , or similar). Solid understanding of software engineering principles, including object-oriented design and modular architecture. Experience building applications for front office environments within financial services. ...

Senior AI Engineer

Hiring Organisation
Space Executive
Location
London Area, United Kingdom
ability to thrive in fast-moving, ambiguous environments where experimentation is encouraged What You’ll Work With: Tech Stack Frontend: React Backend: NestJS, Python (FastAPI), LangChain Test Automation: Pact, Jest, Cypress, Pytest (including AI testing) Infrastructure: AWS ECS, PostgreSQL, Kafka Infrastructure as Code: Terraform (native AWS services where possible ...

Junior Software Developer

Hiring Organisation
Ripple
Location
London, United Kingdom
Employment Type
Permanent
Salary
£40000 - £45000/annum
Exposure to cloud platforms (Azure, AWS, or GCP). Understanding of CI/CD pipelines and testing practices (TDD). Desirable Skills Python and FastAPI for backend development. Experience with AI-assisted development tools and AI agents. Awareness of Model Context Protocol. Experience working with Figma or collaborating from design ...

Software Developer

Hiring Organisation
Ripple Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £45,000 per annum
Exposure to cloud platforms (Azure, AWS, or GCP). Understanding of CI/CD pipelines and testing practices (TDD). Desirable Skills Python and FastAPI for backend development. Experience with AI-assisted development tools and AI agents. Awareness of Model Context Protocol. Experience working with Figma or collaborating from design ...

Hedge Fund - Python Developer (Equities) - Trade life cycle - PnL - Kafka - Contract

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Strong experience performing large-scale data calculations in Python using libraries like pandas, polars, and NumPy. Experience building REST services using frameworks such as FastAPI and/or Flask. Strong SQL skills and experience working with relational databases in production environments. Hands-on experience with containerized deployments and modern infrastructure ...

Lead AI Python Engineer

Hiring Organisation
JGA Recruitment Group | B Corp™
Location
City of London, London, United Kingdom
7+ years of hands-on software engineering experience (AI, SaaS, or automation platforms preferred) Deep expertise in Python, with experience in frameworks such as FastAPI, Flask, or Django Strong experience with cloud infrastructure, Kubernetes, and microservices architectures Experience with Git-based workflows and CI/CD pipelines Proven ability ...

Python Developer

Hiring Organisation
Arrows
Location
City of London, London, United Kingdom
with Product and cross-functional domain experts Continuously improve performance, quality and developer experience What We’re Looking For Strong Python (Flask moving to FastAPI with Typing) backend experience Proven experience building APIs within service-oriented architectures Solid SQL knowledge PostgreSQL AWS (Lambda, ECS) Docker Strong system design and data ...

Back End Developer

Hiring Organisation
trg.recruitment
Location
City of London, London, United Kingdom
compliance in production systems Improving performance, scalability, and system resilience The ideal candidate will: 5+ years of backend engineering experience Strong Python experience (FastAPI, Flask, or Django) Have experience working at a previous startup/scale up Solid knowledge of PostgreSQL and Redis Experience with async task queues and message ...

Research Engineer

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
graduates or more senior engineers Infrastructure or deployment experience (AWS, Terraform) is a bonus Happy working onsite five days per week Tech stack Python, FastAPI React, TypeScript Postgres AWS, Terraform Compensation & details up to £185k base + equity (flexible for exceptional profiles) Visa sponsorship available Standard pension Five meals ...

Software Engineer (Frontend)

Hiring Organisation
Orchestra
Location
City of London, London, United Kingdom
challenges regularly We're united by our mission, focused execution, and speed We deploy to production multiple times a day 🛠️ Tech Stack Backend: Python (FastAPI) + Typescript (express) Frontend: React + Typescript Infrastructure: AWS (serverless!), terraform Containerisation: Docker Database: PostgreSQL + DynamoDB CI/CD: GitHub actions + Blacksmith runners ...

Founding Staff Engineer

Hiring Organisation
Egregious
Location
London, England, United Kingdom
highly collaborative team to lead engineering efforts that shape the success of the platform. Qualifications Backend Mastery: Expert-level Python with deep experience in FastAPI and asyncio for building high-concurrency, non-blocking systems. Cloud Native Infrastructure: Proven track record of deploying and scaling systems using Kubernetes , Docker , and Kafka ...

Data Engineer

Hiring Organisation
Above & Beyond - Climate Tech Recruitment
Location
City of London, London, United Kingdom
data engineering service providers for deep domain work like concept modelling or high-volume data integration. Tech stack: Languages: python (pandas, httpx, sdmx, pydantic, FastAPI, FastMCP, ADK), SQL (ISO Graph Query Language would be a plus) Cloud: Google Cloud Platform (Cloud Run, Cloud Build, BigQuery, Spanner Graph, Cloud SQL, Cloud ...