51 to 75 of 77 FastAPI Jobs in the UK

/Kubernetes) Proven API & integration expertise Experience with event-driven architectures Knowledge of CI/CD, DevOps, and cloud security Experience with Flask, FastAPI or similar Exposure to SAP, Salesforce, or Oracle (desirable) Whats On Offer Competitive salary + benefits 30 days holiday + 3 charity days Car allowance + ...

metrics, logging, and alerting (e.g., Prometheus, Grafana, and related tooling). Key requirements Strong backend development experience with Python , including experience building APIs (e.g., FastAPI or similar frameworks). Experience with Prometheus ‐style observability: metrics, alerting, and dashboards; familiarity with Grafana is a plus. Hands‐on experience with ClickHouse ...

Kubernetes (EKS) Strong knowledge of API design and security (API Gateway, OpenAPI, OAuth2, JWT) Experience with cloud-native frameworks such as Flask or FastAPI Solid understanding of Kubernetes security, IAM, encryption, and CI/CD tooling Exposure to enterprise integrations and event-driven architecture patterns Why This Opportunity is Great ...

cross functional product group. What You Will Bring Strong professional experience building backend systems using Python. Experience with modern Python frameworks such as FastAPI, Flask, or Django. A solid understanding of API design, data modelling, and distributed systems. Experience working with relational databases and optimising query performance. Ability to reason ...

Kubernetes (EKS) Strong knowledge of API design and security (API Gateway, OpenAPI, OAuth2, JWT) Experience with cloud-native frameworks such as Flask or FastAPI Solid understanding of Kubernetes security, IAM, encryption, and CI/CD tooling Exposure to enterprise integrations and event-driven architecture patterns Why This Opportunity is Great ...

Highly experienced Python Engineer/Developer Can hit the ground running and make an impact from early Technology needed: Python, Kafka, Flask, OpenAPI + FastAPI Excellent communication and collaborative skills needed Python Developer Day Rate: £400 Outside IR35 Duration: 6-months Start Date: ASAP (No long notice periods please ...

enjoys creating, testing, and improving things Comfortable working in a more entrepreneurial, less structured environment Strong academic background preferred Useful experience may include: FastAPI, React, TypeScript, Streamlit, APIs LLMs, RAG, agentic workflows, automation tools Internal tools, dashboards, workflow systems, CRM-type platforms AI-enabled process improvement or business automation This ...

grade systems Hands-on with LLM-powered applications and agent orchestration frameworks (e.g., LangGraph) Experience with stateful systems, caching, and reliability engineering Proficiency in FastAPI, Docker, and Redis Comfortable in a small, senior, high-impact team Why Join? Work on a strategic next-gen AI platform Direct influence on architecture ...

fast. What You’ll Bring Experience leading technical projects or teams (startups or small teams are a big plus). Strong background in Python , FastAPI , or similar frameworks. Experience working with LLMs , vector databases , and retrieval-augmented generation (RAG). Hands-on experience deploying AI systems in production. Experience ...

Lead Python Engineer AI, Python, FastAPI, Django, Microservices, APIs, Cloud London up to £130k + Equity Build AI-powered systems that automate real-world workflows at scale. This is an opportunity to join a fast-growing AI startup building an AI-driven platform automating up to 80% of property management ...

environments, diagnosed the problems, fixed them, and unlocked the next phase of growth. This is about scaling products, not just teams. Tech Stack: Python · FastAPI · React · TypeScript · GCP Salary: £190,000 - £270,000 + Equity Working Arrangements: 3 days per week in Central London office Why it might interest ...

working closely with founders, sharing opinions, and moving fast Have thick skin, good humour, and a collaborative streak The stack: React Next.js Python (FastAPI) AWS Terraform Claude Code Cursor What we offer: Up to £100,000 base salary Share options Hybrid working. 2 days/week at a brand ...

Lead Python Engineer | AI, Python, FastAPI, Django, Microservices, APIs, Cloud | London | up to £130k + Equity Build AI-powered systems that automate real-world workflows at scale. This is an opportunity to join a fast-growing AI startup building an AI-driven platform automating up to 80% of property management … helping shape engineering practices and mentoring other developers in a high-growth environment. You'll be responsible for architecting and building Python-based systems (FastAPI, Django, Flask), developing and optimising data pipelines, and ensuring systems are scalable, secure, and performant. You'll collaborate closely with product, AI, and design teams ...

Full Stack Developer/Engineer (Python JavaScript Vue FastAPI) Cambridge/WFH to £65k Want to work on technically challenging projects collaborating with a busy, motivated team of software professionals in a friendly environment with a good work/life balance? You could be joining a market leading software house … Angular skills are also fine) You have experience with Python frameworks such as Pyramid, Django and/or Flask You have experience with FastAPI You enjoy collaboratively problem solving as part of an Agile team where you can input into technical discussions and decisions as well as take ownership ...

development. Key Responsibilities - Engineering & Development Work on day-to-day development tasks across backend and frontend systems Build and maintain APIs using Python and FastAPI Contribute to frontend development using Next.js, React, and TypeScript Collaborate with senior engineers to deliver scalable and maintainable solutions Write clean, well-tested, and efficient … issues Contribute ideas to improve development processes and product features Support future mobile and platform initiatives as team structure evolves Technology Stack Backend: Python, FastAPI Frontend: TypeScript, Next.js, React Database: PostgreSQL and Firestore Cloud (Desirable): Google Cloud Platform (GCP) Requirements Requirements Experience with Python (academic or commercial) Experience with TypeScript ...

architecture across the portfolio. Essential Requirements 3-6+ years building production-grade full-stack applications, with clear ownership. Strong backend experience in Python (FastAPI preferred) and solid database skills (PostgreSQL/MongoDB). Proven experience building and shipping mobile apps with React Native. Strong React fundamentals (Next.js experience … Security hygiene (secrets, permissions, least-privilege) and practical data-privacy basics. Planning & execution in Linear (or similar). Tools & Stack Backend/Runtime: Python (FastAPI), Node.js. Frontend : React/Next.js Mobile: React Native Datastores: PostgreSQL, MongoDB (as appropriate), Redis (caching/sessions). Vectors/Embeddings: Chroma (or similar). ...

Python Developer | Python & FastAPI | Founding Engineer in AI Venture Studio Building Creator-Led Products Salary: 90k + Generous Equity Location: On-Site, London The Role You’ll join an early-stage AI venture studio as a Founding Engineer, working directly with the CTO inside a small, elite team building … founder rather than waiting for direction. Clear communication skills are a must, as well as an ability to operate in ambiguity. Non-Negotiables Python FastAPI – or adjacent Python frameworks API design and backend architecture fundamentals PostgreSQL and/or MongoDB experience Strong React or React Native experience AWS serverless infrastructure ...

development—from design through to deployment and ongoing improvement. What You’ll Do Build & Scale Backend Services Develop and maintain backend services using Python (FastAPI or similar frameworks) Design systems that are scalable, efficient, and reliable Turn product and technical requirements into well-structured backend solutions Design & Deliver APIs Build … call rotation where required What You’ll Bring Core Skills Experience in backend software development Strong Python skills Experience with frameworks such as FastAPI (or similar) Solid understanding of Linux systems and command-line tools Experience designing and building REST APIs Familiarity with Docker and containerised environments Experience with infrastructure ...

pace, you’ll contribute to architectural decisions across services, data models, and how AI is integrated into a production-grade system. Stack: Python, FastAPI, Pydantic, LangGraph, Claude, React, TypeScript, Terraform What you need Strong experience building production Python backend systems Deep knowledge of FastAPI (or similar), async Python, and PostgreSQL ...

you. What you'll do • Model and optimise PostgreSQL/Supabase & graph db/Neo4j schemas for complex data • Design and implement APIs in FastAPI for AI workflows and product features • Build and scale LangGraph-based multi-agent systems with checkpointing, retries, and observability • Integrate vector search, knowledge graphs … users • Experience working in startups (1 year + of total experience) • Experience with LangGraph, RAG pipelines, vector databases, or knowledge graphs • Production experience with FastAPI or a similar modern Python framework • Experience scaling and operating services on GCP, AWS, or Azure • A high-ownership mindset - you care about reliability, correctness ...

migrating the application from, improving the Stripe integration, and implementing core tracking and SEO foundations, and more,. Tech Stack React, TypeScript, Next.js, Python (FastAPI), PostgreSQL, GCP (Cloud Run/SQL), Stripe, Firebase Auth, Terraform. Key Requirements Strong React/TypeScript and Next.js (SSR/SSG) Python/FastAPI backend ...

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 ...

product Experience with Hotwire (Turbo & Stimulus) and Tailwind CSS Familiarity with background job processing (Sidekiq, Delayed Job, etc.) Experience with Python and FastAPI - our data pipeline and some supporting services are built in Python, and you'd be expected to maintain and contribute to these alongside the Rails codebase Familiarity … infrastructure and deployment platforms Experience working in a startup or high-growth environment Our Stack Backend: Ruby on Rails, PostgreSQL, Sidekiq Data & Services: Python, FastAPI Frontend: Hotwire (Turbo Stimulus), Tailwind CSS, Three.js Infrastructure: Render Tooling: GitHub Actions, Sentry About Resi Resi is the UK’s number one home extension company ...

Platforms Itential Automation Platform Cisco NSO – Service development and lifecycle Apache Airflow Hasi Corp Vault Openshift Automation development Python Fast API Rest API Netconf Yang modelling XML/Json Jinja/TextFSM Pytest Unit testing ...

Senior Software Engineer | £70k–£95k | Python • FastAPI • AWS • EKS 🚀 Looking for a product-led engineering role in a recently profitable, high-growth scale-up? This isn't just about maintenance; it’s about building high-scale, cloud-native microservices and tackling a massive upcoming greenfield build. 🛠️ 💰 The Package … week in London 🌍 Perks: Remote working, £1k annual flexible benefit, 30 days "work from abroad" p/a 🛠 Tech Stack: Python, FastAPI, gRPC, GraphQL, AWS (EKS), Microservices The Mission 🎯 This scale-up is transforming the insurance landscape through real-time data and telematics. By leveraging smart technology, they reward safe ...