76 to 100 of 102 FastAPI Jobs in England

Senior Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £85,000 per annum
integrations (Appsflyer, Firebase, sGTM) Design cloud solutions in Azure with alerting and failover Ensure scalability and reliability across global operations Tech Stack: Python (Flask, FastAPI) Azure (Event Hub, Functions, Data Factory) Snowplow Snowbridge APIs (Appsflyer, Firebase, sGTM) JavaScript (GTM tags) Event-driven tools (Kafka, RabbitMQ) Monitoring (Grafana, Prometheus) If this ...

Full Stack Product Engineer

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
they're now looking for a founding-level engineer to join the core London team. Tech stack: Frontend : React, Next.js, TypeScript Backend : Python, FastAPI Happy for candidates to lean towards to backend or the frontend Why this role stands out: Stealth-stage, high-impact : You’ll work on tech that ...

Full Stack Product Engineer

Hiring Organisation
Oliver Bernard
Location
London Area, United Kingdom
they're now looking for a founding-level engineer to join the core London team. Tech stack: Frontend : React, Next.js, TypeScript Backend : Python, FastAPI Happy for candidates to lean towards to backend or the frontend Why this role stands out: Stealth-stage, high-impact : You’ll work on tech that ...

Software Engineer (Backend Python)

Hiring Organisation
Tech Talent Network
Location
London, UK
iterative environment while maintaining high engineering quality Shape backend engineering culture, tooling and processes for a rapidly scaling product 🛠️ Tech Environment Python with FastAPI PostgreSQL Event driven backend services and data heavy workflows Modern AI frameworks and agent driven systems integrated into backend pipelines Engineers who love solving performance, scaling ...

Software Engineer (Backend Python)

Hiring Organisation
Tech Talent Network
Location
City of London, Greater London, UK
iterative environment while maintaining high engineering quality Shape backend engineering culture, tooling and processes for a rapidly scaling product 🛠️ Tech Environment Python with FastAPI PostgreSQL Event driven backend services and data heavy workflows Modern AI frameworks and agent driven systems integrated into backend pipelines Engineers who love solving performance, scaling ...

Senior Engineer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 85,000 Annual
integrations (Appsflyer, Firebase, sGTM) Design cloud solutions in Azure with alerting and failover Ensure scalability and reliability across global operations Tech Stack: Python (Flask, FastAPI) Azure (Event Hub, Functions, click apply for full job details ...

Senior Python Developer - Leeds

Hiring Organisation
Searchability (UK) Ltd
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£80,000
design and development of scalable, high-quality software solutions for our Leeds based client. What You'll Do: Lead development using Python, Flask, FastAPI, or Django Collaborate with front-end teams (Vue.js/React, HTML, CSS) Optimise SQL databases and manage cloud infrastructure (AWS, Terraform) Implement serverless architectures and Docker … containers Mentor junior developers and champion best practices What You Bring: 5+ years of Python development experience Web frameworks experience like Flask, FastAPI, Django Strong SQL skills Strong grasp of front-end tech, cloud services, and CI/CD Agile mindset with excellent problem-solving and leadership skills Bonus Points ...

Junior Engineer

Hiring Organisation
Steadrock Capital Limited
Location
London, England, United Kingdom
Steadrock's internal systems: Compute Infrastructure (DGX) Manage our NVIDIA DGX server (Linux environment, CUDA, system health) Build, test, and maintain internal APIs (FastAPI/Flask) Design stable ngrok/reverse-proxy/network connections for remote access Optimise GPU utilisation and monitor performance AI Agent & Automation Development Build internal … What You Need Technical Strong Python Experience with Linux (Ubuntu), bash, SSH Understanding of GPUs, CUDA basics, or willingness to learn fast Experience with FastAPI, Flask or similar Basic networking knowledge (ports, tunnels, proxies) SQL or NoSQL experience Git disciplinePreferred Experience with LLM APIs (OpenAI, Anthropic, DeepSeek, Qwen) Exposure ...

Technical Lead

Hiring Organisation
EMBL-EBI
Location
Saffron Walden, Essex, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
About the Team We are looking for a Technical Lead to join the Chemical Biology Resources team at the European Bioinformatics Institute (EMBL-EBI). The Chemical Biology Resources team provides world-leading chemogenomics resources ...

Senior Python Backend Developer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£750 - £800 per day
cutting-edge applications that accelerate drug discovery and enable personalised therapies. The ideal candidate will have strong Python backend development experience, preferably with FastAPI, and be proficient in cloud-native infrastructure (Google Cloud preferred), DevOps practices, and automated testing. While a background in life sciences is a plus, a passion … pipeline consuming other data products Basic qualifications: Extensive experience conducting Bankend Development using Python. Concurrency and Asyn exp Demonstrated experience using FastAPI Cloud Experience - GCP Essential SQL Docker Containerization Unit testing experience - TDD or Test Suit ML or AI experience would be desriable. Experience within Life Sceiences or Pharma Sector ...

Full Stack Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Uxbridge, Middlesex, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
About the Role We are looking for a skilled senior Full Stack Developer to join our dynamic team. You will work with cutting-edge technologies, maintaining robust applications using Next.js overreact and Tailwind CSS for ...

Senior Software Engineer

Hiring Organisation
Addition
Location
City of London, London, United Kingdom
Senior Software Engineer (Python - FastAPI) This fast-growing consultancy is pushing the boundaries of AI and data science, helping clients turn complex challenges into scalable, production-ready solutions. They’re now hiring a Senior Software Engineer who can blend deep technical expertise with a practical, delivery-focused mindset. Role Overview … data-led software solutions. Developing scalable data pipelines and backend services that support complex modelling work. Setting standards for clean, efficient engineering across Python(FastAPI), SQL and cloud environments. Training, tuning and deploying machine learning models into production. Creating processes for robust data extraction, transformation and management. Integrating new solutions ...

Senior Software Engineer

Hiring Organisation
Addition
Location
London Area, United Kingdom
Senior Software Engineer (Python - FastAPI) This fast-growing consultancy is pushing the boundaries of AI and data science, helping clients turn complex challenges into scalable, production-ready solutions. They’re now hiring a Senior Software Engineer who can blend deep technical expertise with a practical, delivery-focused mindset. Role Overview … data-led software solutions. Developing scalable data pipelines and backend services that support complex modelling work. Setting standards for clean, efficient engineering across Python(FastAPI), SQL and cloud environments. Training, tuning and deploying machine learning models into production. Creating processes for robust data extraction, transformation and management. Integrating new solutions ...

Lead AI Engineer

Hiring Organisation
Euphoric
Location
London Area, United Kingdom
benchmark these systems rigorously to ensure they actually work, not just "feel" smart. Build the Backend Foundation: You will spend significant time in Python (FastAPI, SQLAlchemy) building the APIs, data structures, and services that power the product. You are an engineer who ensures the "AI" is delivered on reliable, production … Experience Production Engineering (5+ years): You are a strong software engineer first. You have extensive experience building and maintaining backend services in Python (ideally FastAPI or similar async frameworks) deployed to modern cloud providers (GCP/AWS) or point solutions (Railway, Render, Vercel) Applied AI Architecture: You have built complex ...

Lead AI Engineer

Hiring Organisation
Euphoric
Location
City of London, London, United Kingdom
benchmark these systems rigorously to ensure they actually work, not just "feel" smart. Build the Backend Foundation: You will spend significant time in Python (FastAPI, SQLAlchemy) building the APIs, data structures, and services that power the product. You are an engineer who ensures the "AI" is delivered on reliable, production … Experience Production Engineering (5+ years): You are a strong software engineer first. You have extensive experience building and maintaining backend services in Python (ideally FastAPI or similar async frameworks) deployed to modern cloud providers (GCP/AWS) or point solutions (Railway, Render, Vercel) Applied AI Architecture: You have built complex ...

Senior Software Engineer

Hiring Organisation
Tiro Partners
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £100000/annum
Software Engineer - Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 Company: VC back Startup About the Role: This startup is building a cutting-edge platform to transform how engineers design physical … Google across Software Engineering, Data Science, Theoretical Physics, and Computational Geometry. Opportunities: Frontend or Backend Tech Stack within the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend ...

Senior Software Engineer

Hiring Organisation
Tiro Partners Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £100,000 per annum
Software Engineer - Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 Company: VC back Startup About the Role: This startup is building a cutting-edge platform to transform how engineers design physical … Google across Software Engineering, Data Science, Theoretical Physics, and Computational Geometry. Opportunities: Frontend or Backend Tech Stack within the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend ...

Senior Backend Developer

Hiring Organisation
Fruition Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
£95,000
play a central role in building and scaling the systems that power their insurance platform. You'll focus on developing Python-based cloud microservices (FastAPI preferred), contributing to the architecture of resilient, high-performance systems, and collaborating with a cross-functional team to deliver features at pace. This … influence technical direction, improve processes, and grow your expertise in distributed systems. What will I be doing: Design, develop, and maintain Python microservices (FastAPI) running in production. Take ownership of features end-to-end, from design to deployment and monitoring. Write high-quality, testable code with a focus on scalability ...

Senior Backend Developer

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
seeking a Senior Backend Engineer to build highly scalable and maintainable services using modern technologies.. What You'll Do: Develop backend services in Python (FastAPI/Django) Work on microservice architecture, data processing, and customer experience Collaborate across Product, Design, and Engineering teams Contribute to code reviews, pair programming … Agile improvements Tech Stack: Python, FastAPI, Django, AWS, Kubernetes, Helm, Terraform, PostgreSQL, Opensearch What In it for you? Competitive salary + performance bonus 28 days holiday + bank holidays + birthday off Private medical insurance, L&D opportunities, mental health support Hybrid working and a vibrant office culture ...

Senior ML / MLOps Engineer (AWS, SageMaker, LLM, Data Pipelines)

Hiring Organisation
Morson Edge
Location
Greater London, England, United Kingdom
monitoring Ensure data quality and reliability across multiple sources, including structured, NoSQL, and graph datasets Build high-performance APIs to expose model outputs (FastAPI preferred) Implement CI/CD processes for ML pipelines, including automated testing, deployment, and monitoring Collaborate with data scientists, analysts, and platform engineers to operationalise models … architecture, tooling, and best practices for production ML workflows Must-have Senior experience deploying ML or LLM models in production Strong Python engineering skills (FastAPI or similar frameworks) AWS experience: SageMaker, Lambda, ECS, or serverless pipelines Comfortable working with complex datasets and robust data pipelines CI/CD, monitoring ...

Full Stack Developer

Hiring Organisation
Reed Technology
Location
Walsall, West Midlands, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£45000 - £55000/annum
make a real impact in the industry. What you'll do as the Full Stack Developer: Design and develop robust backend systems using Python (FastAPI or Flask). Build and integrate RESTful and GraphQL APIs . Develop React-based front-end components for a seamless user experience. Architect and deploy … Debug and troubleshoot issues to keep things running smoothly. What my client are looking for in their next Full Stack Developer: Proven Python experience (FastAPI or Flask preferred). React expertise -this is essential. Strong experience with AWS cloud services (EC2, Lambda, S3, DynamoDB, etc.). Solid understanding ...

Technical Lead - AI Products

Hiring Organisation
Paradigm Tech
Location
London Area, United Kingdom
Technical Lead | Product Technical Lead | Tech Lead | Product Manager | AI/Data Science | Python | FastAPI | SaaS | Hybrid 2 days a week | Central London | £85,000 + 15% bonus I am currently working with a brilliant consultancy with deep expertise in their field of Data and Cyber Security solutions, predominantly with … fullest. Key skills Strong software engineering skills, delivering end-to-end software products. Highly product orientated. Highly skilled in Python development, with knowledge of FastAPI framework. Good databases knowledge with schema design and SQL. Some front-end development preferably TypeScript & React is highly desirable. Experience of designing scalable systems ...

Technical Lead - AI Products

Hiring Organisation
Paradigm Tech
Location
City of London, London, United Kingdom
Technical Lead | Product Technical Lead | Tech Lead | Product Manager | AI/Data Science | Python | FastAPI | SaaS | Hybrid 2 days a week | Central London | £85,000 + 15% bonus I am currently working with a brilliant consultancy with deep expertise in their field of Data and Cyber Security solutions, predominantly with … fullest. Key skills Strong software engineering skills, delivering end-to-end software products. Highly product orientated. Highly skilled in Python development, with knowledge of FastAPI framework. Good databases knowledge with schema design and SQL. Some front-end development preferably TypeScript & React is highly desirable. Experience of designing scalable systems ...

Lead Software Engineer

Hiring Organisation
Intellect Group
Location
London Area, United Kingdom
product and engineering direction, you’ll fit right in. What you’ll work on Designing and building backend systems using Python and frameworks like FastAPI , or similar. Creating reliable, scalable architecture for real-time decisioning systems. Implementing caching, queuing, load balancing, and distributed processing. Shipping high-quality code quickly … with the founding group to define engineering culture, processes, and standards. What we’re looking for Strong backend engineering experience Python . Experience with FastAPI , Django , Flask , or related frameworks . Confidence designing system architecture from scratch and making pragmatic trade-offs. Comfort working in ambiguous, high-autonomy environments. ...

Lead Software Engineer

Hiring Organisation
Intellect Group
Location
City of London, London, United Kingdom
product and engineering direction, you’ll fit right in. What you’ll work on Designing and building backend systems using Python and frameworks like FastAPI , or similar. Creating reliable, scalable architecture for real-time decisioning systems. Implementing caching, queuing, load balancing, and distributed processing. Shipping high-quality code quickly … with the founding group to define engineering culture, processes, and standards. What we’re looking for Strong backend engineering experience Python . Experience with FastAPI , Django , Flask , or related frameworks . Confidence designing system architecture from scratch and making pragmatic trade-offs. Comfort working in ambiguous, high-autonomy environments. ...