626 to 650 of 705 FastAPI Jobs

Feature Lead

Location
Orpington, England, United Kingdom
help: Experience in platforms similar to Quartz Lead technologist experience Risk calculation projects Expert-level proficiency in Python and related frameworks ( e.g Django, Flask, FastAPI Ability to collaborate with various technology teams across the bank Benefits of working at the company: UK Private healthcare for you and your family plus ...

Technical Lead

Hiring Organisation
Develop
Location
Central London, London, United Kingdom
Employment Type
Permanent
LLMs, RAG, agents and model APIs. Take AI ideas from rapid prototypes through to reliable production systems. Work across Python, React/TypeScript, Django, FastAPI, PostgreSQL and AWS. Improve architecture, engineering standards and delivery practices. Work closely with product, business and engineering stakeholders to solve complex problems. Mentor and support … engineers through pairing, reviews and technical guidance. Make pragmatic decisions around scalability, security, reliability and maintainability. Technology Python | React | TypeScript | Django | FastAPI | PostgreSQL | AWS | Docker | REST APIs | CI/CD | Git AI experience across LLMs, RAG, agentic workflows, embeddings, prompt design or model evaluation is particularly valuable. What Theyre Looking ...

Full Stack Engineer · London · On-site

Location
Greater London, England, United Kingdom
full-stack applications from frontend to backend. Develop high-quality user interfaces using React and Next.js. Build scalable backend services and APIs using Python (FastAPI or Django preferred). Design and optimize relational and NoSQL databases. Build reliable background workers, asynchronous processing, and distributed services. Deploy and maintain cloud-native … Looking For 5+ years of professional software engineering experience. Strong production experience with React and Next.js. Excellent backend development skills using Python. Experience with FastAPI or Django. Strong knowledge of PostgreSQL and relational databases. Experience with Redis, background workers, and asynchronous processing. Hands-on experience with Docker, Kubernetes ...

Lead Azure Engineer

Hiring Organisation
Teksystems
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £550/day
resilience patterns, scaling approaches, deployment strategies, and operational readiness. Design, build, and operate back-end services using Java (Spring Boot) and/or Python (FastAPI/Flask), covering API design with OpenAPI, performance optimisation, and security controls. Develop modern user interfaces with React, focusing on accessible design, reusable components … Java, including Spring Boot, REST APIs, testing strategies, and performance tuning. Strong hands-on experience with Python for service development and automation, preferably using FastAPI or Flask. Proven experience building and maintaining front-end applications with React, ideally using TypeScript, modern hooks, and robust front-end testing approaches. Demonstrable experience ...

Experienced Product Engineer - Full Stack

Location
Greater London, England, United Kingdom
required) Key Responsibilities On the backend, you will design, build and maintain scalable services and RESTful/GraphQL APIs using Python with Django or FastAPI, writing clean, well-tested, production-grade code with a focus on reliability and performance. You will design and implement data models working with PostgreSQL … more years, in software engineering with a strong track record of delivering production systems. You have backend proficiency in Python with Django or FastAPI, strong frontend experience with React and TypeScript including component architecture, state management and modern tooling, and a solid understanding of relational databases, PostgreSQL preferred, covering schema ...

Experienced Product Engineer - Full Stack

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
required) Key Responsibilities On the backend, you will design, build and maintain scalable services and RESTful/GraphQL APIs using Python with Django or FastAPI, writing clean, well-tested, production-grade code with a focus on reliability and performance. You will design and implement data models working with PostgreSQL … more years, in software engineering with a strong track record of delivering production systems. You have backend proficiency in Python with Django or FastAPI, strong frontend experience with React and TypeScript including component architecture, state management and modern tooling, and a solid understanding of relational databases, PostgreSQL preferred, covering schema ...

Senior Backend Engineer - API-Driven Finance Platform

Location
Greater London, England, United Kingdom
Backend Developer to lead technical projects and enhance its web applications. This role requires strong expertise in Python, experience with frameworks like Flask and FastAPI, and the ability to deliver APIs effectively. The ideal candidate will collaborate with various teams, mentor junior staff, and contribute to the automation and improvement ...

Software Development Lead -- Marketplace

Hiring Organisation
BuyWander
Location
Spokane, Washington, United States
Employment Type
Permanent
Salary
USD Annual
reshaping product engineering Ability to move fast in a 0 1/high-growth environment with imperfect requirements Our stack: C#/Python, FastAPI, Vue/Nuxt, PostgreSQL, real-time event streams. You don't need every one, but you should be dangerous across most of it. WHY THIS ROLE ...

Engineering Team Lead | Tech | London, UK

Location
City of Westminster, England, United Kingdom
Virtual Personas Delivery of the Product roadmap Managing a team consisting of a range of skillsets and experience Full stack development, across Python/FastAPI services and React/TypeScript front ends Continuously improving the team's processes for iterative development, including embedding automated testing and CI quality gates into … encouraging our developers Conducting regular 121's, setting objectives and assisting with tailored development plans Our engineering environment includes technologies such as Python (FastAPI), LangChain/LangGraph for multi-agent LLM orchestration, React/TypeScript, PostgreSQL, MongoDB, Redis, Azure (App Service, Container Registry, Blob Storage), Docker, GitHub Actions, and modern ...

Lead AI Software Engineer

Hiring Organisation
Wells Fargo
Location
London, UK
Employment Type
Full-time
enterprise UI standards and reusable component patterns. Build and maintain Python backend services, APIs, MCP services, and integration layers using frameworks such as MCP, FastAPI & Flask. Design, implement, and integrate with MCP servers and MCP clients that enable secure context sharing between models, tools, applications, and agent runtimes. Develop … combination of the following: work experience, training, military experience, educationStrong proficiency in Python with experience building services using frameworks such as Fast MCP, FastAPI & Flask. Experience developing and integrating with REST APIs, asynchronous services, and event-driven architectures. Experience integrating with AI, LLM-based systems, agent platforms, or AI APIs. ...

Senior Fullstack Developer

Hiring Organisation
Version 1
Location
Manchester, UK
Employment Type
Full-time
Company DescriptionVersion 1 has celebrated over 29 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapidly ...

Senior Fullstack Developer

Hiring Organisation
Version 1
Location
Newcastle upon Tyne, UK
Employment Type
Full-time
Company DescriptionVersion 1 has celebrated over 29 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapidly ...

Senior Backend Engineer

Location
Greater London, England, United Kingdom
routing engine, billing infrastructure and webhook delivery. Python/FastAPI/MongoDB. We process every inbound lead through code you write — sub-100ms p99 latency, idempotent everything, audit-trail everything. Who you are 6+ years building production Python services — async/await fluent Deep MongoDB experience including indexing, aggregation, transactions ...

Senior Software Engineer

Hiring Organisation
Kaufman Rossin
Location
Hialeah, Florida, United States
Employment Type
Permanent
Salary
USD Annual
Workstreams, and collaborate closely with KR's global delivery team in Bengaluru. Build and maintain production features across WES API using Python and FastAPI, WES UI using React and TypeScript, Hermes, and Workstreams Develop business logic and AI workflows using Python and FastAPI Contribute to systems and performance critical components … endpoints, and streaming response handlers that surface AI features reliably Requirements How You'll Stand Out 5+ years production software development experience Strong Python: FastAPI, async patterns, pytest, ruff - production API development Strong TypeScript/React: component design, React Query, Zustand, vitest/Jest, ESLint Working Rust: able to read ...

Senior Software Engineer

Hiring Organisation
Kaufman Rossin
Location
Palm Beach, Florida, United States
Employment Type
Permanent
Salary
USD Annual
Workstreams, and collaborate closely with KR's global delivery team in Bengaluru. Build and maintain production features across WES API using Python and FastAPI, WES UI using React and TypeScript, Hermes, and Workstreams Develop business logic and AI workflows using Python and FastAPI Contribute to systems and performance critical components … endpoints, and streaming response handlers that surface AI features reliably Requirements How You'll Stand Out 5+ years production software development experience Strong Python: FastAPI, async patterns, pytest, ruff - production API development Strong TypeScript/React: component design, React Query, Zustand, vitest/Jest, ESLint Working Rust: able to read ...

Senior Software Engineer

Hiring Organisation
Kaufman Rossin
Location
Boca Raton, Florida, United States
Employment Type
Permanent
Salary
USD Annual
Workstreams, and collaborate closely with KR's global delivery team in Bengaluru. Build and maintain production features across WES API using Python and FastAPI, WES UI using React and TypeScript, Hermes, and Workstreams Develop business logic and AI workflows using Python and FastAPI Contribute to systems and performance critical components … endpoints, and streaming response handlers that surface AI features reliably Requirements How You'll Stand Out 5+ years production software development experience Strong Python: FastAPI, async patterns, pytest, ruff - production API development Strong TypeScript/React: component design, React Query, Zustand, vitest/Jest, ESLint Working Rust: able to read ...

Senior Software Engineer

Hiring Organisation
Kaufman Rossin
Location
Fort Lauderdale, Florida, United States
Employment Type
Permanent
Salary
USD Annual
Workstreams, and collaborate closely with KR's global delivery team in Bengaluru. Build and maintain production features across WES API using Python and FastAPI, WES UI using React and TypeScript, Hermes, and Workstreams Develop business logic and AI workflows using Python and FastAPI Contribute to systems and performance critical components … endpoints, and streaming response handlers that surface AI features reliably Requirements How You'll Stand Out 5+ years production software development experience Strong Python: FastAPI, async patterns, pytest, ruff - production API development Strong TypeScript/React: component design, React Query, Zustand, vitest/Jest, ESLint Working Rust: able to read ...

Senior Software Engineer (QRF)

Hiring Organisation
Infleqtion
Location
Louisville, Colorado, United States
Employment Type
Permanent
Salary
USD Annual
development of the frontend application built with React/Next.js, ensuring high performance, maintainability, and scalability. Own the backend REST API written in Python (FastAPI), ensuring robust integration with hardware control and middleware layers. Contribute to integration with Rust-based middleware and/or driver software used for device control. … professional software engineering experience. Expert-level proficiency in Python and JavaScript/TypeScript. Strong experience with React and Next.js frontend frameworks. Experience with FastAPI or similar modern Python web frameworks. Familiarity with embedded software concepts (device drivers, low-level APIs, hardware communication protocols). Demonstrated experience leading software development teams ...

MLOps Engineer

Location
York and North Yorkshire, England, United Kingdom
Responsibilities Develop and maintain infrastructure for deploying ML models in both real‐time and batch environments. Build and maintain Python APIs (Flask/FastAPI) to serve ML models. Collaborate with cross discipline engineers to integrate ML services into user‐facing applications. Work with platform engineers to align with infrastructure best … services or insurance is an advantage but not required. Solid experience as a Python developer, ideally in a machine learning engineering context (Flask/FastAPI, OOP, unit testing). Strong understanding of software engineering best practice. Experience with TDD. Experience with infrastructure as code tools like Terraform or similar. Infrastructure ...

Senior Data Engineer

Location
City Of London, England, United Kingdom
Senior Data Engineer Certain Advantage are recruiting for a Senior Data Engineer on a contract basis to start in September for 6-12 months, operating inside IR35. 3 days onsite in London is required per ...

AIML Software Engineer, AI for Science

Location
Greater London, England, United Kingdom
About the Role To strengthen our AI for Science (AI4S) team, we are looking for Software Engineers with a track record in developing production-grade, data-driven software solutions. You will design, build and operate ...

Engineering Team Lead – Tech

Location
Greater London, England, United Kingdom
Lead up to four engineers in a cross-functional agile team Drive adoption of cloud-first technologies Perform full-stack development across Python/FastAPI services and React/TypeScript front ends Improve team processes for iterative development Embed automated testing and CI quality gates into the AI product Champion … spikes to de-risk work and guiding iteration toward scalable architecture Ability to harden AI features against prompt injection and unbounded model behaviour Desirable: FastAPI, async SQLAlchemy and/or Node/Express Desirable: React/TypeScript front‐end development Desirable: LangChain, LangGraph or other multi‐agent/LLM orchestration ...

Senior Software Engineer

Hiring Organisation
HireQ Talent
Location
United Kingdom
likely bring strong experience in the following areas: Core Experience ✅ Python software engineering in production environments ✅ Designing and developing robust APIs ✅ FastAPI expertise ✅ PostgreSQL and database optimisation ✅ Docker and containerised deployment ✅ API integrations and third-party services ✅ Automated testing and quality-focused development ✅ Agile software delivery ✅ Building software products that … serve real customers at scale Technology You'll Be Working With Python FastAPI PostgreSQL Pydantic SQLAlchemy Alembic Docker Microsoft Azure CI/CD Pipelines OpenAPI Distributed Systems Modern Cloud Architecture Monitoring & Observability Platforms Authentication & Authorisation Frameworks Bonus Points If You Have Experience With ⭐ React and modern frontend technologies ⭐ C#/ ...

Software Engineer

Location
Greater London, England, United Kingdom
between tactical edge sensors in low-bandwidth environments and strategic HQs running enterprise analytics. Python Engineering: High proficiency in Python for microservices, API development (FastAPI/Flask), data processing, and backend service development. Docker & Container Orchestration: Deep knowledge of containerisation using Docker, multi-stage builds, minimal base images (for bandwidth … standards, automated testing, and building pipelines that package software into deployable Docker artifacts. The Experience You'll Bring Development & Tech: Python, Microservices, REST APIs, FastAPI, Flask, Asynchronous Programming, Object-Oriented Programming (OOP), Test-Driven Development (TDD). DevOps & Deployment: Docker, Docker Compose, Multi-Stage Builds, Kubernetes, K3s, Edge Computing ...

Senior AI Engineer

Location
Greater London, England, United Kingdom
integrated services. Define and drive architecture for scalable, secure, reliable, and maintainable AI solutions deployed in production. Develop robust, well-tested backend APIs with FastAPI, containerized via Docker and deployed on Kubernetes. Architect and own search and retrieval solutions using Azure AI Search and MongoDB, including design of indexing strategies … including building and shipping production backend services. Hands‐on experience building applications with LLMs such as Azure OpenAI, OpenAI, Anthropic, or similar. Experience with FastAPI or comparable Python web frameworks. Production experience with Docker and Kubernetes, including deployment and management on AKS. Strong hands‐on experience with Azure, including Azure ...