26 to 50 of 64 FastAPI Jobs in England

Reviewing feature designs from a testability perspective Participating in architecture discussions with a quality lens Our Client's Tech Stack (Context) Backend: Python 3.11+, FastAPI Frontend: TypeScript, React Infra: AWS (ECS/Fargate, S3, RDS, CloudFront) Data: PostgreSQL, CSV/Parquet CI/CD: GitLab CI IaC: Terraform Testing: Pytest ...

About Persistent: We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what’s next. Our offerings and proven solutions ...

Exposure to analytics platforms or machine learning deployment workflows Experience with Power BI or other dashboarding tools Familiarity with web development frameworks (e.g. Flask, FastAPI, JavaScript frameworks) An understanding of insurance or legal data structures Whats in it for you? Apart from the competitive salary youd expect, our package ...

breakaway type of culture that is committed to pushing technical boundaries. No slow processes & red tape here! The Headlines Tech: Python (Django FastAPI) & JS Front End AI Tooling Cursor, OpenAI Agents SDK contained by Docker, K8’s, Helm Huge Scope for Progression – They’re a seriously ambitious group that have ...

. Graph ML: Experience with Neo4j GDS or frameworks such as PyTorch Geometric or DGL. Production Engineering: Hands-on experience with Docker, REST APIs (FastAPI/Flask), and CI/CD pipelines. Core Data Science Profile 3+ years of experience in Data Science or Data Engineering. Experience with ...

Quant Dev or Systematic Trading environment at a top fund or bank. Coding Mastery: Expert proficiency in Python (Polars/Dask/FastAPI) and/or C++ . AI Native: Proven ability to use LLMs and Machine Learning to solve complex financial time-series problems. Industry Standard Experience: You have ...

stage environment (ownership, ambiguity, fast iteration) Someone who can collaborate well with technical + non-technical/domain experts Nice to have: Django/FastAPI AWS/cloud platform experience Scientific/healthcare/bioinformatics data exposure (not essential) Why it’s interesting: Real-world impact in healthcare/life ...

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 ...

with: Prompt engineering and evaluation Retrieval-Augmented Generation (RAG) Embeddings and vector databases (e.g. FAISS, Pinecone, Weaviate, Chroma) Experience building LLM-backed services using FastAPI/Flask or similar Strong understanding of trade-offs around accuracy, latency, cost and scalability Highly Desirable Experience working with or fine-tuning open-source ...

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 ...

Backend Software Engineer/Developer (Python FastAPI SQL) London to £95k Are you a data centric Backend Software Engineer with strong Python, SQL and FastAPI skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses … aware You're collaborative and pragmatic with great communication skills Apply now to find out more about this Backend Software Engineer/Developer (Python FastAPI Data Azure) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. ...

monitoring of models. Support scalable ML solutions across use cases like recommendations, forecasting, and automation. Work with tools like Airflow, Azure ML, and FastAPI to deliver production-ready systems. Automate model deployment workflows using CI/CD tools (e.g. GitHub Actions, Azure DevOps). Contribute to the reliability, observability … Collaborative team player with excellent communication skills. Technical Stack: Languages: Python (primary), SQL, Bash Cloud: Azure, AWS Tools: MLflow, Azure ML, Airflow, Docker, Fargate, FastAPI Data: Snowflake, Delta Lake, Redis, Azure Data Lake Infra & Ops: Terraform, GitHub Actions, Azure DevOps, Grafana, Azure Monitor Desirable skills/knowledge/experience: Knowledge ...

Steadrock's internal systems: Compute Infrastructure (DGX) Manage our NVIDIA DGX server (Linux environment, CUDA, system health) Build, test, and maintain internal APIs (FastAPI/Flask) Design stable ngrok/reverse-proxy/network connections for remote access Optimise GPU utilisation and monitor performance AI Agent & Automation Development Develop pipelines … What You Need Technical Strong Python Experience with Linux (Ubuntu), bash, SSH Understanding of GPUs, CUDA basics, or willingness to learn fast Experience with FastAPI, Flask or similar Basic networking knowledge (ports, tunnels, proxies) SQL or NoSQL experience Preferred Experience with LLM APIs (OpenAI, Anthropic, DeepSeek, Qwen) Exposure to Docker ...

product, DevOps and clinical-facing teams. What You’ll Be Doing Designing, building and maintaining scalable, secure web applications Developing backend services using Python (FastAPI, Flask, Django) Building modern frontend applications using React and React Native Working with SQL and NoSQL databases, contributing to data modelling and performance optimisation Enhancing … Taking ownership of complex technical challenges and mentoring other developers Technology Stack: Core (hands-on experience expected): Python 3 (with some legacy Python 2.7) FastAPI, Flask, Django JavaScript (ES6+), React, React Native HTML5, CSS MySQL Git, Jira (or similar Agile tools) Beneficial experience: RabbitMQ or other messaging/queueing technologies ...

squad. You'll be building backend APIs and deploying them into a modern AWS + Kubernetes environment. 🔑 The Role • Building backend APIs in Python (FastAPI ideally) • Working with PostgreSQL • Deploying services into AWS (EKS preferred) • Managing container workloads in Kubernetes • Building infrastructure with Terraform • Implementing CI/CD pipelines (GitHub … Actions, GitLab, Jenkins, ArgoCD) • Shipping production-grade cloud-native applications 🎯 What We’re Looking For 👉 Strong Python backend development experience 👉 API development (FastAPI highly desirable) 👉 Solid SQL/PostgreSQL knowledge 👉 AWS experience (EKS ideal) 👉 Kubernetes deployment experience 👉 Terraform (Infrastructure as Code) 👉 CI/CD automation experience Nice to have: 👉 Experience ...

squad. You'll be building backend APIs and deploying them into a modern AWS + Kubernetes environment. 🔑 𝗧𝗵𝗲 𝗥𝗼𝗹𝗲 • Building backend APIs in Python (FastAPI ideally) • Working with PostgreSQL • Deploying services into AWS (EKS preferred) • Managing container workloads in Kubernetes • Building infrastructure with Terraform • Implementing CI/CD pipelines (GitHub … Actions, GitLab, Jenkins, ArgoCD) • Shipping production-grade cloud-native applications 🎯 𝗪𝗵𝗮𝘁 𝗪𝗲’𝗿𝗲 𝗟𝗼𝗼𝗸𝗶𝗻𝗴 𝗙𝗼𝗿 👉 Strong Python backend development experience 👉 API development (FastAPI highly desirable) 👉 Solid SQL/PostgreSQL knowledge 👉 AWS experience (EKS ideal) 👉 Kubernetes deployment experience 👉 Terraform (Infrastructure as Code) 👉 CI/CD automation experience Nice to have: 👉 Experience ...

Job Title: Python Developer- DevOps & PostgreSQL Location:Sheffield- 3Days/week Onsite Duration: 6months+ Contract Inside IR35 500GBP/Day Job Description: Python developer responsible for building scalable automation solutions to streamline database operations. Required ...

Senior Software Engineer | London | £100,000 - £160,000 | Python | FastAPI | AWS Location: London based - hybrid Salary: £100,000 - £160,000 + equity Tech Stack: Backend: Python (experience with FastAPI or Django or Flask beneficial) Cursor, Claude Code AWS - experience with Azure & GCP beneficial Are you a backend engineer who cares … complex problems, and be part of an exceptional team, get in touch at imogen@sr2rec.co.uk. Senior Software Engineer | London | £100,000 - £160,000 | Python | FastAPI ...

Senior Full Stack Engineer | AI-Recruitment SaaS (React & Python) Location: Peterborough/Hybrid Salary: £55,000 £65,000 + Bonus Tech: React (TS), Python (FastAPI), Google Vertex AI, Postgres, GCP Build the Future of AI-Driven Recruitment Are you a Senior Engineer who thrives on "greenfield" projects? Do you want … platform thats already making an impact. The Tech Stack Youll be working with: Frontend: React, TypeScript, Vite, Tailwind CSS, Zustand. Backend: Python 3.10+ (FastAPI), Postgres, Redis. AI/Infrastructure: Google Vertex AI, GCP (Cloud Run), Docker, CI/CD. What Youll Be Doing End-to-End Ownership: Building and shipping ...

High trust, high ownership: Make decisions that move the whole company forward. We value autonomy, speed, and impact. Stack: Build with modern tools — Python, FastAPI, TypeScript, LLMs, MLOps What We’re Looking For 2+ years of software development experience Proven track record of building and shipping full-stack products … working in a fast-moving, high-ambiguity startup You’re looking for a large team with established roadmaps and guardrails Tech Stack Core: Python, FastAPI, TypeScript, React AI/ML: OpenAI, Anthropic, computer use, evals, voice agents Infrastructure: Azure, Docker Process: Initial Screen (30 min video call with ...

Job Description: Python developer is responsible for building scalable automation solutions to streamline database operations. Required Skills. Hands on experience with API development using Python and FastAPI. Strong problem-solving, debugging, and analytical skills. Responsibilities ...

Job Title: Python Developer- Kubernetes & Postgre or MongoDB Location: Sheffield- 3Days/week Onsite Duration: 6months+ Contract Inside IR35 450GBP/Day Job Description: Python developer responsible for building scalable automation solutions to streamline database ...

This role is outside IR35 and offers the opportunity to work with cutting-edge technologies. Hiring Company: A forward-thinking organization utilizing Python (Flask, FastAPI), PostgreSQL, and AWS to deliver scalable, high-quality backend systems. Key Responsibilities: Architect with Purpose: You will reason about software placement within broader business systems … logic from persistent storage layers to API endpoints. Execute with Python: Apply deep expertise in Python and web frameworks, specifically transitioning from Flask to FastAPI and using Python Typing. Build Scalable APIs: Demonstrate a strong background in Service Oriented Architecture to develop scalable, well-documented APIs. Query with Precision ...

workflows. What You’ll Do Build & own core backend systems · Build and optimise databases for complex, real-world data · Design and implement APIs using FastAPI for AI workflows and product features · Build and scale LangGraph-based multi-agent systems with checkpointing, retries, and observability · Integrate and scale vector search, knowledge … real customer usage and feedback What We’re Looking For Essential · 2-3 years building backend systems for real users · Production experience with FastAPI (or similar modern Python frameworks) · Solid understanding of API design, PostgreSQL, and distributed systems fundamentals · Experience deploying and operating services on cloud infrastructure ...

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 ...