76 to 99 of 99 Permanent FastAPI Jobs

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 ...

deliver features that delight and scale. You should have 5+ years of experience developing production-grade backend systems and APIs. Strong skills in Python (FastAPI or similar) and modern cloud infrastructure. Deep understanding of system design, scalability, and reliability . A product-oriented mindset — you design with end users ...

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 ...

tools, and automation platforms like Ansible or Chef. Monitoring systems with Prometheus, Grafana, ELK stack, and running containers with Kubernetes. Building APIs with FastAPI and supporting scalable, high-performance systems. You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change ...

backend and the TypeScript frontend, and to have opinions about both. Our Stack: Frontend: Next.js (App Router), TypeScript, Tailwind, shadcn, deployed on Vercel Backend: FastAPI, Python 3.12, Pydantic everywhere Agents: LangGraph, Claude via Vertex AI, Gemini for cheap/fast tagging work Data: Postgres + Apache AGE (graph), moving toward ...

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 ...

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 ...

solutions, not just implement them Setting technical direction and raising engineering standards within a small team What They’re Looking For: Strong Python experience (FastAPI, Django, Flask etc) Track record of owning or significantly evolving production systems Experience making architectural decisions and working across the full lifecycle Comfortable operating ...

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 ...

tagging Graph and data: Postgres plus Apache AGE today, with a Rust temporal graph database in active development as the long-term replacement Backend: FastAPI, Python 3.12, Pydantic everywhere Frontend: Next.js (App Router), TypeScript, Tailwind, shadcn, Vercel Infra: GCP across compute, storage, model serving, and key management Tooling: pnpm, Husky ...

significant autonomy, where your work will directly influence product direction and user experience. Key Responsibilities Design and implement backend services and APIs using Python, FastAPI, and Django Build and maintain scalable RESTful APIs with PostgreSQL Develop and integrate AI/LLM-powered features using frameworks such as LangChain Implement … within a small, high-performing team Qualifications 5+ years of professional software engineering experience Strong Python expertise with backend development experience Proven experience with FastAPI and/or Django, REST APIs, and PostgreSQL Experience integrating Stripe for payments and subscriptions Familiarity with image processing and computer vision Experience with Docker ...

/JavaScript (legacy implementations) Tomcat, Apache, MySQL Plone, FosWiki, and Kayako Target modern, sustainable architectures (e.g., contemporary Python frameworks such as Django or FastAPI, modern JavaScript frameworks like React or Vue, containerized deployments, and current database solutions). Design, implement, and maintain robust CI/CD pipelines to automate building … software development experience, with a strong focus on web application development and system migration projects. Proficiency in modern web technologies, including Python (Django or FastAPI preferred), JavaScript/TypeScript, HTML/CSS, Spring boot, Angular and relational databases. Experience migrating legacy applications (PHP, older Python frameworks, Plone/FosWiki ...

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 ...

environments Strong full-stack experience with modern technologies, including JavaScript/TypeScript and Python Experience with React (frontend) and backend frameworks such as FastAPI or similar Experience designing and implementing scalable data pipelines and database structures Hands-on experience with cloud infrastructure, ideally AWS Strong understanding of security and compliance … . Keywords: Founding Engineer/Full Stack Developer/Full Stack Engineer/Software Engineer/Python/React/TypeScript/JavaScript/FastAPI/AWS/AI/Machine Learning/LLM/SaaS/Start-up/Enterprise Software/Data Pipelines RedTech Recruitment Ltd focuses ...

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 ...

What you’ll be doing: Build LLM capabilities services such as RAG Q&A, summarisation, document integration and tool integration Develop LLM-backed APIs (FastAPI) for LLM chatbot capabilities Implement retrieval worksflows (chunking, embeddings, grounded answering) Integrate with enterprise data sources, MinIO, Databricks, Postgres/PGVector, Azure AI Search …/CD Your skills and experiences Essential: Python backend engineering skill Experience of RAG implementation and LLM orchestration Knowledge of key tools such as FastAPI, Langchain/LangGraph, vLLM, AI Search, Hugging Face, Docling, PGVector and AI Foundry Benefits: As well as a competitive pension scheme, BAE Systems also offers ...

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 ...

Python Engineer Hybrid working - 3 days per week onsite Salary up to £65,000 per annum A leading Birmingham-based client is seeking a Python Developer to design, build, and deploy applications using Python frameworks ...