1 to 25 of 26 FastAPI Jobs in Central London

GenAI Full Stack Engineer - Consultant / Senior Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£60,000
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 ...

Lead GenAI Full Stack Engineer / Managing Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
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 ...

Python Developer

Hiring Organisation
Roc Search
Location
City of London, London, United Kingdom
services • Developing real-time data pipelines and event-driven architectures • Supporting production systems and driving performance improvements 🛠️ Core tech & experience: • Strong Python expertise (Django, FastAPI) • Experience with REST APIs, WebSockets, and real-time data integration • Cloud-native development (Azure preferred) • CI/CD, automated testing, and production support • Hands ...

Fullstack Software Engineer (Agentic AI)

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
pipeline consuming other data products Basic qualifications: Demonstrated experience with frontend software development (e.g. React) Demonstrated experience of Python development (e.g. using FastAPI) Bachelors degree in a relevant field (including computational, numerate or life sciences), or equivalent experience Cloud experience (e.g. Google Cloud and cloud run preferred) including core ...

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 ...

Product Engineer -TWE44721

Hiring Organisation
twentyAI
Location
City of London, London, United Kingdom
This is an opportunity to join a driven team where your work matters and your input is valued. Key Skills: Backend development (Python, Flask, FastAPI) Frontend development (React, JavaScript, TypeScript) Cloud and infrastructure experience (Terraform, GCP, AWS) Strong problem-solving skills and a pragmatic approach to building solutions Initiative ...

Senior Software Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City of London, London, United Kingdom
like the idea of building AI that actually matters in production, not just in theory, this is that kind of environment. Tech stack • Python (FastAPI/Flask/Django) • React and TypeScript • AWS/GCP • Infrastructure as code and modern deployment tooling What engineers work on • Designing and evolving backend ...

Head of Software Engineering

Hiring Organisation
Unity Talent Solutions
Location
City of London, London, United Kingdom
practice, not just theory Familiarity with ISO 13485 is strongly preferred Strong proficiency in Python; experience with production frameworks (Flask, FastAPI) Experience with cloud platforms (AWS preferred), Docker, and CI/CD pipelines BSc/MSc in Computer Science, Software Engineering, or equivalent experience Leadership & Growth Demonstrated experience leading, mentoring ...

Python Developer

Hiring Organisation
Thyme
Location
City of London, London, United Kingdom
field) 1-2+ years of relevant work experience using Python and related tech stack in a professional environment Any of the following: Django, FastAPI, PostgreSQL, Kafka, AWS, Kubernetes experience and knowledge Experience in a Fintech or Financial services organisation is a nice to have, but not essential Clear communication ...

Senior AI Engineer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
pipelines for AI models and manage prompt versioning and evaluation metrics. Technical Skills & Requirements · Programming: Expert proficiency in Python (Pydantic, AsyncIO, API development with FastAPI/Flask). · AWS AI Stack: Hands-on experience with Amazon Bedrock APIs, SageMaker (Training Jobs, Inference Endpoints), and Vector Databases. · Frameworks: extensive experience with ...

Lead Python Engineer

Hiring Organisation
Opto Talent
Location
City of London, London, United Kingdom
years of software engineering experience, ideally within AI, SaaS, or automation platforms. Strong experience building backend systems in Python. Experience with frameworks such as FastAPI, Flask, or Django. Experience working with APIs, data pipelines, and scalable systems. Familiarity with cloud infrastructure and microservices architectures. Experience with Git, CI/ ...

Backend Software Engineer Python - Start-up

Hiring Organisation
Client Server
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
good knowledge of cloud based services (they use GCP but AWS or Azure experience is fine) You have experience of building APIs, ideally FastAPI experience You have a good knowledge of CI/CD, testing and deployment You have a thorough understanding of Computer Science fundamentals such as OOP, Data ...

SENIOR DATA ANALYST AND SOFTWARE DEVELOPER EDINBURGH OR LONDON

Hiring Organisation
Max Fordham LLP
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
technologies; however, it is not expected that they will have prior experience of them all: Programming: Python, JavaScript, TypeScript, SQL, C#, C++ Frameworks & Tools: FastAPI, Jupyter, JupyterHub, Voila, Power BI, GitHub, Vue, Nuxt AEC Platforms & Standards: Revit, Revit API, pyRevit, Rhino, Grasshopper, IES VE (and its Python API), BIM data ...

Data Scientist

Hiring Organisation
Lorien
Location
City of London, London, United Kingdom
workflows, and multi-step reasoning Experience designing and implementing RAG systems with real-world impact Familiarity with MCP or similar orchestration patterns (FastMCP/FastAPI) Understanding of LLM limitations and trade-offs (hallucination, latency, cost) Cloud deployment experience (AWS, GCP, Azure) Masters or higher in Maths, Science, or Computer Science ...

AI Engineer

Hiring Organisation
Richard Wheeler Associates
Location
Central London, London, United Kingdom
Employment Type
Permanent
Rapidly prototype MVPs, validate value with the investment team, and harden the most impactful tools into reliable internal products Build simple internal interfaces using FastAPI, Streamlit, or Next.js to enable intuitive adoption Implement evaluation, observability, and governance to ensure accuracy, reliability, security, and responsible use of AI systems Guide ...

Artificial Intelligence Engineer

Hiring Organisation
Omnis Partners
Location
City of London, London, United Kingdom
performance, reliability, and safety Delivering AI-powered features used by enterprise clients in production You’ll also be hands-on with backend engineering (Python, FastAPI/Django), infrastructure, and deployment, making sure systems are robust, scalable, and production-ready. With fresh funding secured and aggressive growth plans, this ...

Software Engineer (Python/React)

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
Salary: £50,000 - £85,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being used ...

Full Stack Engineer

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
Salary: £60,000 - £85,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 2/3 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being used ...

Graduate Python Engineer - £50K

Hiring Organisation
Run-Time Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£50,000
foundation in Python and object-oriented programming Understanding of data structures, algorithms, and software design principles Familiarity with frameworks such as Django, Flask, or FastAPI (desirable) Basic knowledge of databases (SQL or NoSQL) Strong problem-solving skills and attention to detail Excellent communication and teamwork abilities ...

Full Stack Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City of London, London, United Kingdom
Python | React | TypeScript Location: London (hybrid) Salary: £120,000 - £160,000 + equity Tech Stack: Backend: Python (strong typing, well-structured APIs - Django or FastAPI or Flask) Frontend: React, TypeScript Systems: Data modelling, integrations, platform architecture Are you an engineer who thinks in systems, not tickets? We’re working with ...

Python Developer

Hiring Organisation
Understanding Solutions
Location
City of London, London, United Kingdom
Highly experienced Python Engineer/Developer Can hit the ground running and make an impact from early Technology needed: Python, Kafka, Flask, OpenAPI + FastAPI Excellent communication and collaborative skills needed Python Developer Day Rate: £400 Outside IR35 Duration: 6-months Start Date: ASAP (No long notice periods please ...

Junior AI / Automation Engineer

Hiring Organisation
Intellect Group
Location
City of London, London, United Kingdom
enjoys creating, testing, and improving things Comfortable working in a more entrepreneurial, less structured environment Strong academic background preferred Useful experience may include: FastAPI, React, TypeScript, Streamlit, APIs LLMs, RAG, agentic workflows, automation tools Internal tools, dashboards, workflow systems, CRM-type platforms AI-enabled process improvement or business automation This ...

Full Stack Engineer

Hiring Organisation
Omnis Partners
Location
City of London, London, United Kingdom
both frontend and backend. 🔑 The Role • Building a complexed app to handle data entry and visualisation • React (TypeScript) • Design & build scalable APIs using Python (FastAPI) • Owning end-to-end features across FE & BE • Contribute to architecture, code quality & best practices 🎯 What We’re Looking For 👉 Strong React + TypeScript experience … Solid backend skills with Python (ideally FastAPI) 👉 Proven experience building fullstack products end-to-end 👉 Background working on complexed and data heavy products 👉 Exposure to data pipelines/ETL ➕ Nice to have Azure/cloud experience IaC (Terraform/OpenTofu) Experience with AI tools or LLM integrations ...

Mid-Level Full-Stack Engineer

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
Level Full-Stack Engineer - Python, Vue, FastAPI, Azure I've once again partnered with a top London based Tech Company, fresh of the back of their Seed funding round, who are looking to hire multiple Mid-Level Full-Stack Engineers, to their growing Engineering team. This is a Full-Stack … Backend engineers, Product & Design teams, building upon their Web application as the volume of users scale. Mid-Level Full-Stack Engineer - Python, Vue, FastAPI, Azure Key skills and experience: Minimum of 3+ years commercial experience working in a Full-Stack role Python backend experience (FastAPI, Flask or Django) Frontend experience ...

Full-Stack Engineer (React / Python / AI)

Hiring Organisation
Explore Group
Location
City of London, London, United Kingdom
features used by enterprise customers. Develop modern, responsive interfaces using React/Next.js . Design and optimize APIs, data pipelines, and integrations using Python (FastAPI/Django) . Collaborate with design, product, and AI teams to deliver new functionality quickly and reliably. Contribute to architectural decisions, system scalability, and engineering … Looking For: Proven experience as a Full-Stack Engineer in a startup or fast-paced environment. Strong proficiency in React/Next.js and Python (FastAPI/Django) . Experience shipping scalable, production-grade software. Exposure to or interest in AI/ML-driven products . Startup experience or comfort with ...