26 to 38 of 38 Remote/Hybrid FastAPI Jobs

Python | React Location: London (hybrid) Salary: £80,000 – £150,000 + meaningful equity Hiring for mid-senior-lead levels! Tech Stack: Backend: Python (Flask, FastAPI) Frontend: React, TypeScript Cloud: GCP or AWS Do you like building software that actually gets used? Not demo-ware. Not slide-ware. Real systems … Just smart people building important things properly. What you’ll be doing: Designing and scaling backend services and APIs in Python using Flask and FastAPI Building intuitive, high quality front end experiences in React and TypeScript Integrating AI models and third party systems into robust production workflows Owning features ...

Architectural Leadership: Lead the design of complex Python applications, focusing on scalability, performance, and maintainability. Framework Selection: Evaluate and select appropriate frameworks (Django, Flask, FastAPI) based on specific project needs. Technical Documentation: Create detailed design documents, including system diagrams, data flow, and API specifications. Security & Scalability: Ensure robust application security … Architecture: Strong command of OOP concepts, Design Patterns, and Domain-Driven Design. Web Frameworks: Expertise in at least one major framework (Django, Flask, or FastAPI). APIs: Strong understanding of RESTful API design and web application principles. Technical Lead: Proven track record of designing large-scale applications and providing architectural ...

e.g., Census, Hightouch) or building custom syncs to HubSpot, Slack, APIs Responsibilities: AI & Application Engineering • Architect and deploy AI-powered systems into production (e.g., FastAPI apps with RAG architecture using OpenSearch and Langfuse) • Optimize agentic workflows, prompt & embedding pipelines, and retrieval quality through experimentation and tracing • Extend LLM capabilities with … high-performing Data & AI team. Help hire, mentor, and establish best practices as we grow Technologies: AI AWS Architect Azure Cloud ETL FastAPI GCP IAM Support LLM Looker Power BI Python SQL Slack Terraform dbt More: Welcome We are looking for a senior-level engineer to take full ownership ...

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 ...

FULL STACK ENGINEER - LONDON (WATERLOO, HYBRID) KEY POINTS Salary up to £75,000 Hybrid working - 3 days per week in Waterloo, London Python, FastAPI, PostgreSQL, React or Next.js End-to-end ownership across frontend and backend ABOUT THE CLIENT We're working with an ambitious AI-driven organisation building advanced … with React and/or Next.js to deliver clean, responsive user experiences. On the backend, you'll design and maintain APIs using Python and FastAPI, ensuring systems are scalable and performant. You'll work extensively with real-time sports data, translating complex logic into clean, maintainable code. Experience with ...

This is a hands-on role focused on delivering high-quality user experiences in React and TypeScript while building and extending the Python/FastAPI services that power the platform. You will work closely with product and design to translate Figma concepts into production-ready interfaces such as real-time … personalised care flows, ensuring they feel intuitive while meeting the demands of a regulated environment. On the backend, you will develop and extend FastAPI services, design clean REST APIs, and work with PostgreSQL and SQLAlchemy to manage structured data. You will also contribute to implementing OAuth2 authentication across the stack ...

Lead Python Engineer | Python, FastAPI, Start-up | Remote, £90-105k I’m working with a well-funded, mission-driven healthtech company building innovative technology that makes healthcare more accessible and easier to use. They’re scaling their engineering team as they expand their platform across the UK and internationally. … with real influence over architecture, standards and delivery. What you’ll be doing: Owning backend architecture across core services Designing and maintaining scalable APIs (FastAPI) Building production-grade Python services (async where appropriate) Driving standards around testing, CI/CD, observability and performance Partnering closely with product, mobile ...

BACKEND ENGINEER - LONDON (WATERLOO, HYBRID) KEY POINTS Salary up to £75,000 Hybrid working - 3 days per week in Waterloo, London Python, FastAPI, PostgreSQL, AWS & Docker Building real-time AI solutions within the sports industry ABOUT THE CLIENT We're supporting a rapidly growing, AI-focused organisation operating within … time data systems Fast-paced, collaborative engineering environment THE BACKEND ENGINEER ROLE: You'll design, build, and maintain high-performance APIs using Python and FastAPI, working with large volumes of live sports data. The systems are real-time and data-heavy, so experience with asynchronous programming and scalable backend architecture ...

part of a team that's pushing boundaries. What you'll do Design, build, and optimize high-performance Back End systems in Python and FastAPI Develop and maintain Back End systems that handle large volumes of Real Time data Write clean, testable, and maintainable code following best practices Contribute … collaborative, fast-moving environment What we're looking for Strong professional experience with Python Solid experience building RESTful APIs with FastAPI (or similar frameworks like Flask/Django) Passion for performance, scalability, and automation Experience or interest in AI A proactive mindset - someone who loves solving problems and experimenting with ...

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 ...

This includes building secure data platforms, designing human-in-the-loop AI workflows, integrating external datasets, and developing scalable full-stack systems using Python, FastAPI, React, TypeScript, and PostgreSQL. You'll need strong engineering fundamentals, experience with messy data pipelines, and the ability to operate autonomously in a fast-moving … first-principles thinking. Apply with your CV via the process and Nathan Laidlaw at Transparent Technology will be in touch. Full-Stack Engineer, Python, FastAPI, React, TypeScript, PostgreSQL, Tailwind, AI, Climate Tech, Energy Transition, Data Pipelines, RBAC, London, Remote, Startup, Contract, Perm ...

AI Engineer - OpenAI/Python - Birmingham Hybrid working - 3 days per week onsite Salary up to £70,000 - 75,000 A leading Birmingham-based client is seeking an AI Engineer to design, build, and deploy ...

Senior Backend Engineer – High-Scale Systems | Python & FastAPI | Security SaaS Salary: £75k - £85k plus bonus Location: Fully remote, (UK-based) Sponsorship is not available for this role Prism Digital have partnered with a super interesting and niche VC-backed client specialising in attack surface management and automated red teaming. Their … messaging queues e.g., Kafka (nice to have) This is entirely a Python back-end development role (Python 3), where the core framework used is FastAPI and Kafka for the messaging queues. The data sits in PostreSQL and MongoDB. Benefits Up to £85,000 Fully remote 28-day holidays (including bank ...