1 to 25 of 99 Permanent FastAPI Jobs

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 ...

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 ...

GenAI Managing Consultant

Hiring Organisation
83zero
Location
London Area, United Kingdom
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 ...

Software Developer

Hiring Organisation
Osmosis Investment Management
Location
City of London, London, United Kingdom
unfamiliar territory Experience with cloud platforms, ideally Azure (Functions, Storage, SQL, identity) Highly proficient in Python Familiarity with Django Preferably API dev experience (eg FastAPI) Familiarity with C# (ideally both, but strong in one with willingness to learn the other works) Snowflake experience Experience with AI/ML services ...

Full Stack Developer

Hiring Organisation
83zero Ltd
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£55000 - £70000/annum
will design and develop full stack applications across both GenAI and traditional software projects. Required Skills and Experience Backend development using Python with FastAPI or TypeScript with Node.js or Express Experience building microservices architectures React and TypeScript front end development experience Familiarity with Next.js or Vite Experience with Generative ...

Lead Developer AI

Hiring Organisation
Datatech Analytics
Location
London, United Kingdom
Employment Type
Permanent
environments, and overall delivery capability Tech environment - Not set in Stone Frontend: React, Next.js, TypeScript (or similar) Backend: Node.js (Express, NestJS) or Python (FastAPI, Django) (or similar) APIs: REST, GraphQL (or similar) Databases: PostgreSQL, MongoDB (or similar) AI/Data: Experience integrating AI/ML features via APIs (e.g. OpenAI ...

Senior Back End Developer

Hiring Organisation
KodeLab
Location
London Area, United Kingdom
Strong background in high-availability, performance-driven systems. Proficiency in Node.js (or Python/Go) – Experience with backend frameworks such as Nest.js, Express.js, or FastAPI . Database Mastery – Strong SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis) expertise. API Development & Security – Experience in building RESTful & GraphQL APIs , JWT authentication, OAuth ...

AI Engineer

Hiring Organisation
83zero Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55000 - £70000/annum
will design and develop full stack applications across both GenAI and traditional software projects. Required Skills and Experience Backend development using Python with FastAPI or TypeScript with Node.js or Express Experience building microservices architectures React and TypeScript front end development experience Familiarity with Next.js or Vite Experience with Generative ...

Senior AI Engineer

Hiring Organisation
83zero Ltd
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum
mentor junior engineers and contribute to shaping the wider GenAI capability within the team. Required Skills and Experience * Strong backend development using Python with FastAPI or TypeScript with Node.js or Express * Experience designing and building microservices architectures * React and TypeScript front end development experience * Experience with modern frameworks such ...

Generative AI Engineer

Hiring Organisation
83zero
Location
London Area, United Kingdom
architecture decisions, mentor junior engineers and help shape best practices across the engineering team. Required Skills and Experience Backend development using Python with FastAPI or TypeScript with Node.js or Express Experience building microservices architectures React and TypeScript front end development experience Familiarity with Next.js or Vite Experience with Generative ...

Application Engineer

Hiring Organisation
Aimtech Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
Power BI) Python, JavaScript, TypeScript, Angular or React ASP.NET Core, Entity Framework, REST APIs, Swagger/OpenAPI SQL Server, PostgreSQL, NoSQL databases, vector databases FastAPI and AI service integrations (OpenAI, Claude, Gemini) Docker, Kubernetes (AKS), Azure App Services Azure DevOps, Azure Boards, CI/CD pipelines API Management, OAuth2 ...

Software Engineer (Applied AI)

Hiring Organisation
Euphoric
Location
United Kingdom
experience in a meaningful business domain. Contribute across the tech stack: You’ll work in React (JavaScript/TypeScript) on the frontend and Python (FastAPI, SQLAlchemy) on the backend, shipping production-ready code and user-facing features in addition to innovative ML work. Live on the cutting edge ...

Senior Full Stack Developer - 2 days a week in London - £60-80k

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
architecture decisions, delivery, and continuous improvement of engineering practices. Key Responsibilities Design and deliver scalable, secure web applications Build backend services using Python (e.g. FastAPI, Flask, or Django) Develop modern frontend applications using React and TypeScript Design and maintain RESTful APIs 5+ years’ experience as a full-stack developer ...

Software Developers (Python / C# .NET)

Hiring Organisation
Populus Select Ltd
Location
Stockton-On-Tees, England, United Kingdom
Contribute to architecture decisions and continuous improvement Key Requirements (Python Developers): Strong commercial experience with Python Experience with frameworks such as Django, Flask, or FastAPI Familiarity with APIs, microservices, and cloud environments Knowledge of SQL and/or NoSQL databases Key Requirements (C#/.NET Developers): Strong experience with C# ...

Front Office Python Developer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
culture What They’re Looking For Strong Python backend development experience in production environments (at least2 years) Experience building APIs using frameworks such as FastAPI, Flask or Django Good knowledge of at least one Python-compatible frontend framework Strong experience with AWS services and cloud-native development Understanding of event ...

Full Stack Engineer

Hiring Organisation
Egregious
Location
London, England, United Kingdom
data we'd like. We rely on clear reasoning and world class technology to move fast, even with incomplete information. Technical skills Outstanding Python , FastAPI, asyncio, and Postman/Insomnia Strong Git, Docker, Kafka, Kubernetes , and GCP/Azure/AWS Good understanding of Playwright , Selenium/Nodriver, BeautifulSoup Good ...

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 ...

Back End Developer (DV Cleared)

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
features end-to-end in collaboration with cross-functional teams. Develop cloud-native and containerised applications using technologies such as Java (Spring Boot), Python (FastAPI), Node.js and modern datastores. Build solutions within an Agile and DevSecOps environment, embedding security and quality throughout the delivery lifecycle. Integrate backend services into ...

ML Ops Engineer | York Hybrid

Hiring Organisation
Oliver James
Location
North Humberside, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
capabilities and support planning and capacity needs * Shape architecture from early design through to production * Build and maintain Python APIs (Flask/FastAPI) for model serving * Develop infrastructure for real-time and batch deployments * Design and maintain CI/CD pipelines for models * Ensure code quality, engineering best practice ...

Senior Python Developer

Hiring Organisation
Randstad Technologies Recruitment
Location
Dublin, City of Dublin, Republic of Ireland
Employment Type
Permanent
Salary
£60426 - £62153/annum
manage model deployment using Kubernetes/OpenShift and MLOps principles. Technical Requirements Core Programming: Expert-level Python (Pandas, NumPy, scikit-learn, PyTorch/TensorFlow, FastAPI, LangChain, LlamaIndex). Generative AI: Deep experience with LLMs (Gemini, OpenAI, Claude, Llama) and evaluating model safety/performance via Guardrails. Data Science: Strong foundations ...

Full Stack Software Developer

Hiring Organisation
Reed Technology
Location
Guildford, Surrey, South East, United Kingdom
Employment Type
Permanent
Salary
£60,000
skills. Proficiency in modern frontend technologies (HTML, CSS, Tailwind, JavaScript/TypeScript, Vue.js React or equivalent) Experience in backend technologies (Laravel/php, Python fastAPI Experience in modern frontend technologies and backend technologies. Proven experience using AWS including - ECS, IAM, RDS, CloudWatch, and terraform/terragrunt or infrastructure as code ...

Senior ML Engineer

Hiring Organisation
Sage
Location
Newcastle upon Tyne, Tyne and Wear, United Kingdom
Employment Type
Full Time
Salary
0-70000
training, deploying, and operating machine‐learning workloads, or demonstrating equivalent experience on similar cloud ML platforms Exposing machine‐learning models via APIs (e.g. FastAPI‐based inference services) and operating them reliably at scale Applying MLOps practices, including model and version management, monitoring, and handling model or data drift Implementing advanced ...

Senior Backend Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
environment, this role offers both autonomy and real impact. Requirements Backend Architecture & APIs (Primary Focus) Design and evolve scalable backend services in Python using FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward compatibility. ...

Software Engineer / Bristol based

Hiring Organisation
JLL
Location
City of Bristol, United Kingdom
Employment Type
Full Time
Product Collaboration Coordinate closely with the product team to understand requirements and deliver solutions Our Technologies: Frontend : VueJS, SASS/CSS Backend : Python, Django, FastAPI Database : SQL with ORM integration DevOps : Docker, Kubernetes, Helm, GitHub Actions AI Tools : Cursor, OpenAI Agents SDK, LLM's The Ideal Candidate: Educational Background ...

Senior Machine Learning Engineer

Hiring Organisation
Sage
Location
Newcastle upon Tyne, Tyne and Wear, United Kingdom
Employment Type
Full Time
Salary
45000-90000
training, deploying, and operating machine-learning workloads, or demonstrating equivalent experience on similar cloud ML platforms Exposing machine-learning models via APIs (e.g. FastAPI-based inference services) and operating them reliably at scale Applying MLOps practices, including model and version management, monitoring, and handling model or data drift Implementing advanced ...