76 to 100 of 114 FastAPI Jobs in London

core to how they work. Tech Stack Expert Python, advanced SQL, deep Linux knowledge PostgreSQL, Snowflake Apache Kafka, Apache Airflow Django, Flask or FastAPI TDD, BDD, pair programming Java familiarity a plus What They Are Looking For Principal or Staff level Python engineer with strong leadership skills Degree in Computer ...

offering the opportunity to influence both product direction and engineering culture. Key Requirements Strong software engineering background with leadership experience. Advanced Python development skills (FastAPI desirable). Experience with SQL, cloud infrastructure, CI/CD, and scalable systems. Exposure to React/TypeScript is advantageous. Experience within SaaS, cybersecurity ...

rapid delivery with long-term scalability, maintainability and reliability Contribute to the continuous improvement of engineering standards, tooling and development processes Technology Stack Python, FastAPI Pandas/NumPy SQLAlchemy, Pydantic MySQL/PostgreSQL/Redis GCP, Docker, Kubernetes Requirements Strong commercial experience building backend systems with Python Proficiency with Pandas ...

Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK £150,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning Technical Lead - We're working with a leading fintech scale-up that’s transforming how small businesses ...

distributed training and production inference . Responsibilities Importantly a track record of building ML infrastructure or data platform Strong #Python backend expertise (e.g. FastAPI or similar) and this hire will have significant ownership Data platform: #LanceDB, #DataFusion, #Arrow, Parquet, Iceberg Training infra: #PyTorch, Ray, multi-node distributed setups Inference: Triton ...

pipelines on Azure, while ensuring scalability, reproducibility, and monitoring of deployed models. Requirements • Strong, current Python, including building and maintaining production services with FastAPI or similar. • Solid machine learning and computer vision background, with real models shipped to production rather than only notebooks and prototypes. • Hands-on experience with ...

help: • Experience in platforms similar to Quartz • Lead technologist experience Risk calculation projects • Expert-level proficiency in Python and related frameworks ( e.g Django, Flask, FastAPI • Ability to collaborate with various technology teams across the bank Benefits of working at Bank of America: UK • Private healthcare for you and your family ...

business grows. The environment is fast-paced, collaborative and ownership-driven, with a strong emphasis on pragmatic engineering, delivery, and continuous improvement. Stack: Python, FastAPI, Pydantic, Docker, Kubernetes What do you need? Strong commercial experience in Python engineering Proven experience leading engineers Domain experience across FinTech, Insurance, Trading, Banking ...

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 ...

Lead Backend Engineer Climate Tech Nonprofit £90-£95k per year London Hybrid 2 days in London/3 remote Python FastAPI PostgreSQL GCP Docker Terraform Climate impact Energy-system modelling Backed by major philanthropic funders Im working with a climate-tech nonprofit building software that helps countries plan cleaner, more ...

working cross-functionally Comfortable working in a start-up or scaling environment is a bonus Bonus points if you’ve worked with React, FastAPI, or in scientific or energy domains What you’ll get in return The role offers a salary of up to £100,000 DOE, alongside equity ...

standards, reusable patterns, and documentation for platform adoption. Troubleshoot and optimise performance across distributed systems and cloud services. Mandatory Skills & Experience Strong Python and FastAPI engineering in production systems. Working knowledge of GenAI technologies and Large Language Models. Experience evaluating LLM performance and prompt handling complexities. Solid DevOps mindset with … access governance. Developement of AWS services: EC2, EKS, S3, SQS, DynamoDB, Bedrock. Preferred Skills Kong API Gateway, Kong Mesh, Flux CD. RESTful API development (FastAPI preferred), microservices, Terraform with GitOps workflows. Prompt evaluation, observability & red teaming tools (like Arize, Promptfoo). Experience with SQL (MySQL, PostgreSQL) and NoSQL databases Exposure ...

select AI technologies (open-source and commercial) and define enterprise deployment patterns Lead design of API-based AI services and scalable backend systems (e.g. FastAPI) Ensure robust integration of AI systems into complex banking and capital markets environments Establish and govern evaluation frameworks for AI and agent-based systems Oversee … experience building and scaling agentic AI systems Strong experience with AI system design, architecture, and distributed systems Expertise in API-based backend development (e.g. FastAPI or similar) Experience with vector databases (e.g. Pinecone, Chroma) Experience with agent frameworks (e.g. LangChain, LangGraph, or similar) Strong understanding of evaluation frameworks ...

engineer bridging the gap between research breakthroughs and production-ready capabilities to generate tangible business value. Build Robust Infrastructure: Develop enterprise-scale APIs (FastAPI) and architect comprehensive cloud-based AI infrastructure on AWS/Azure optimized for scalability and performance. Demonstrate Full-Stack Excellence: Apply your expertise across the entire … applications using LangChain and LangGraph (agent architecture design, state management, and graph-based workflow orchestration). ML & Cloud Ecosystems: Solid understanding of ML algorithms, FastAPI, PyTorch/TensorFlow, MLflow, MLOps practices, containerization (Docker, Kubernetes/AWS EKS), and cloud services (AWS Bedrock, SageMaker, Azure AI Search). Soft Skills: Excellent ...

caching. Ensure cross-browser compatibility and adherence to WCAG guidelines for accessibility. Backend/API Development: Design, develop, and maintain RESTful APIs using Python (FastAPI) to support healthcare applications. Collaborate with frontend and mobile developers to integrate APIs effectively. Ensure APIs are secure, scalable, and performant to handle increasing loads. … high-availability architectures Improved CI/CD velocity and reduced incident frequency materially Must-Have Qualifications Advanced knowledge of Python and related frameworks (FastAPI, NumPy, Pandas, Pydantic) including multithreading and parallel design principles Expertise in JavaScript and frameworks such as ReactJS, with solid frontend experience Strong understanding of RESTful ...

This job is with GSK, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. At GSK, we are actively working ...

Manatal is an HRTech software service (B2B SaaS) company headquartered in Bangkok, Thailand. Manatal is one of the fastest-growing start-ups in the region and is backed by Surge and Sequoia Capital. Manatal has ...

Python back end Small, fast-moving team with high ownership and real impact Stack flexible, as long as you are happy in Python, FastAPI and React Salary up to £100,000 depending on experience Ideally a genuine sports fan ABOUT THE CLIENT We are supporting a fast growing company building … line to product decisions. KEY RESPONSIBILITIES Build intuitive, performant web interfaces using React, Next.js and TypeScript Design and maintain sophisticated APIs using Python and FastAPI Work with real time data streaming, including SSE and WebSockets Translate complex sports data and logic into clean, efficient code Own the front end lifecycle ...

those in a tech lead or staff engineer role - Python and TypeScript/Node, with solid React/Next.js and NestJS/FastAPI experience - PostgreSQL, including schema design, query performance, ETL/ELT, and analytical workloads at scale - LLM/AI features shipped to production users, covering evals, guardrails, prompt … Tech Lead, Technical Lead, Staff Engineer, Principal Engineer, Private Credit, Private Markets, Capital Markets, AI Platform, Analytics Platform, Python, TypeScript, Node.js, React, Next.js, NestJS, FastAPI, PostgreSQL, pgvector, LangChain, LangGraph, LiteLLM, AWS, LLM, Fintech, Greenfield, Remote, Hybrid/Remote, Contract ...

those in a tech lead or staff engineer role - Python and TypeScript/Node, with solid React/Next.js and NestJS/FastAPI experience - PostgreSQL, including schema design, query performance, ETL/ELT, and analytical workloads at scale - LLM/AI features shipped to production users, covering evals, guardrails, prompt … Tech Lead, Technical Lead, Staff Engineer, Principal Engineer, Private Credit, Private Markets, Capital Markets, AI Platform, Analytics Platform, Python, TypeScript, Node.js, React, Next.js, NestJS, FastAPI, PostgreSQL, pgvector, LangChain, LangGraph, LiteLLM, AWS, LLM, Fintech, Greenfield, Remote, Hybrid/Remote, Contract ...

operational workflows. This is a deeply technical, hands-on leadership position. The successful candidate will write production code across our backend (Python/Django, FastAPI) and frontend (Vue.js, React) codebases, contribute to both internal tooling and customer-facing repositories, and be capable of investigating and troubleshooting infrastructure-level issues. This … highest-stakes operational challenges and a key driver of customer retention. Software Development & Tooling Write production code across Manatal's backend (Python/Django, FastAPI) and frontend (Vue.js, React) codebases to fix bugs, implement operational improvements, and connect systems. Build and maintain internal tools (Retool, custom applications) that enable customer ...

Junior Python Engineer London (Hybrid – 3 days in office) Up to £60,000 + benefits My client is a fast-growing fintech based in London, and they’re looking for a Junior Python Engineer to ...

Software Developer Annual Salary: £40k - £45k, dependent on experience Location: Cannon Street, London Job Type: Permanent - 4 days a week onsite Start Date: Immediately A new exciting permanent opportunity, for a Software Developer to join ...

Senior Software Engineer London/Madrid/Malaga Perm Role | Hybrid (4 Days Onsite) Competitive Salary Harrington Starr has partnered with a leading global fintech organisation to hire a Senior Software Engineer for its high ...

Technical Lead | Lead Full Stack Engineer | AI | Python | FastAPI | TypeScript | React | SaaS | Hybrid 2 days a week | Central London | £85,000 + 15% bonus I am currently working with a brilliant consultancy with deep expertise in their field of Data and Cyber Security solutions, predominantly with Central Government organisations … externally. Key skills Strong software engineering skills, delivering end-to-end software products. Highly product orientated. Strong skills in Python development, with knowledge of FastAPI or similar framework. Good databases knowledge with schema design and SQL. Some front-end development preferably TypeScript & React is highly desirable. Experience of designing scalable ...