1 to 25 of 210 Permanent FastAPI Jobs

senior or technical lead role. 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, optimisation, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms in a production environment. Strong understanding More ❯

need to hold an active SC (Security Check) Clearance or be eligible for such level of clearance. Technical Expertise 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 or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI More ❯

record in leading small, high-performing engineering teams in fast-paced environments. Deep expertise in full-stack development, including: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Python (Django, Flask, or FastAPI) PostgreSQL Experience with building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. Hands-on experience with cloud platforms (AWS, Azure, or GCP). More ❯

following: Strong proficiency in TypeScript and experience with modern front-end frameworks such as React or Vue. Solid experience with back-end development using Typescript/Python frameworks (Flask, FastAPI, or Django is a plus) Understanding of UI/UX principles and ability to create intuitive user experiences Proven ability to work in both rapid prototyping mode and to ship More ❯

junior engineers, and shape the architecture of next-generation digital solutions. Key Responsibilities Lead the design and development of scalable applications using Core Python and frameworks such as Flask, FastAPI, and Django . Implement software engineering best practices including exception handling, OOP, and data structure optimization . Collaborate with Front End teams using React/Vue.js, JavaScript, HTML, and CSS More ❯

robust, scalable solutions across complex environments. What You'll Do Take ownership of the design, build, and delivery of sophisticated back-end systems using Python and frameworks such as FastAPI, Django, or Flask. Apply solid software engineering principles, from clean code and error handling to data modelling and object-oriented design. Collaborate closely with front-end teams working with React More ❯

robust, scalable solutions across complex environments. What You'll Do Take ownership of the design, build, and delivery of sophisticated back-end systems using Python and frameworks such as FastAPI, Django, or Flask. Apply solid software engineering principles, from clean code and error handling to data modelling and object-oriented design. Collaborate closely with front-end teams working with React More ❯

asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring scalability, performance, security, reliability and maintainability across the full stack Contributing to cloud infrastructure setup More ❯

asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring scalability, performance, security, reliability and maintainability across the full stack Contributing to cloud infrastructure setup More ❯

asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring scalability, performance, security, reliability and maintainability across the full stack Contributing to cloud infrastructure setup More ❯

asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring scalability, performance, security, reliability and maintainability across the full stack Contributing to cloud infrastructure setup More ❯

asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring scalability, performance, security, reliability and maintainability across the full stack Contributing to cloud infrastructure setup More ❯

basis, with attendance required 2 days per week in a Leeds office. Key Responsibilities: Lead the design and development of complex applications using Python and frameworks such as Flask, FastAPI, or Django. Collaborate with front-end developers to deliver cohesive and user-friendly interfaces. Design, implement, and optimise SQL databases for performance and reliability. Manage cloud infrastructure using AWS core More ❯

ideas into production. Ensuring code quality through testing, documentation, and peer review. What we're looking for: 4+ years' experience building enterprise-grade applications. Strong backend skills in Python (FastAPI, Flask) with experience designing APIs and integrating databases (e.g. GraphDB, CosmosDB, SQL). Solid frontend development skills in React, TypeScript/JavaScript, HTML, and CSS . Experience developing scalable, cloud More ❯

ideas into production. Ensuring code quality through testing, documentation, and peer review. What we're looking for: 4+ years' experience building enterprise-grade applications. Strong backend skills in Python (FastAPI, Flask) with experience designing APIs and integrating databases (e.g. GraphDB, CosmosDB, SQL). Solid frontend development skills in React, TypeScript/JavaScript, HTML, and CSS . Experience developing scalable, cloud More ❯

ideas into production. Ensuring code quality through testing, documentation, and peer review. What we're looking for: 4+ years' experience building enterprise-grade applications. Strong backend skills in Python (FastAPI, Flask) with experience designing APIs and integrating databases (e.g. GraphDB, CosmosDB, SQL). Solid frontend development skills in React, TypeScript/JavaScript, HTML, and CSS . Experience developing scalable, cloud More ❯

Senior Software Engineer: Design, code, test, document, and maintain server-side and client-side scalable applications using React/NextJS, TypeScript, and Python frameworks such as Django, Flask, or FastAPI, ensuring code quality, efficiency, and adherence to best practices. Ensure seamless integration of front-end and back-end components to deliver fully functional systems. Collaborate with UI/UX designers More ❯

and external partners. Skills & Experience: 5+ years’ backend Python development with API integration expertise ideally in the B2B iGaming sector. Strong Python (asyncio, multithreading, multiprocessing) and frameworks such as FastAPI, Flask, or Django. Proficiency with relational and NoSQL databases (PostgreSQL, Redis, MongoDB). Experience building RESTful APIs and working with WebSockets. RGS or casino platform integration experience highly desirable, plus More ❯

engineering workflows Shape technical strategy and contribute to long-term system improvements Drive code quality, observability, and resiliency across services Tech Stack Frontend : React, JavaScript/TypeScript Backend : Python (FastAPI, Flask, or Django), ideally with geospatial data processing Cloud : AWS (Lambda, ECS, RDS, S3, API Gateway, etc.) DevOps : Docker, CI/CD pipelines, Git Orchestration : Airflow or similar tools Eligo More ❯

ensuring the delivery of robust, scalable, and high-quality software solutions. Key Responsibilities: Lead the design and development of complex applications using Core Python and frameworks such as Flask, FastAPI, and Django. Apply and enforce best practices in software development, including OOP principles, data structures, and exception handling. Collaborate with Front End developers (JavaScript, CSS, HTML) to build seamless and More ❯

scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or Django REST Framework . Collaborating with data and platform engineers to integrate new features and optimise performance. Ensuring robust engineering practices including CI/CD, TDD, and secure development More ❯

applications on the Google Cloud Platform (GCP), with a strong focus on Vertex AI services. Build Scalable Backend Services: Develop secure, high-performance APIs and microservices using Python and FastAPI to integrate agentic systems into the wider enterprise architecture. Technical Skillset Requirements Core AI & Frameworks: Agentic Frameworks: Expert-level knowledge of agentic frameworks such as LangChain, LangGraph, Google Agent Development More ❯

applications on the Google Cloud Platform (GCP), with a strong focus on Vertex AI services. Build Scalable Backend Services: Develop secure, high-performance APIs and microservices using Python and FastAPI to integrate agentic systems into the wider enterprise architecture. Technical Skillset Requirements Core AI & Frameworks: Agentic Frameworks: Expert-level knowledge of agentic frameworks such as LangChain, LangGraph, Google Agent Development More ❯

pipelines Take a product-first approach: asking “why,” not just “how” What You’ll Need Essential Skills Startup Mindset: Bias for action, ownership, comfort with ambiguity Backend Development: Python (FastAPI, Flask) + microservices Distributed Systems: Scaling high-volume data systems Cloud: AWS/GCP/Azure (ECS/EKS, S3, Lambda, IAM or similar) Databases: PostgreSQL + strong data modeling More ❯

pipelines Take a product-first approach: asking “why,” not just “how” What You’ll Need Essential Skills Startup Mindset: Bias for action, ownership, comfort with ambiguity Backend Development: Python (FastAPI, Flask) + microservices Distributed Systems: Scaling high-volume data systems Cloud: AWS/GCP/Azure (ECS/EKS, S3, Lambda, IAM or similar) Databases: PostgreSQL + strong data modeling More ❯