26 to 50 of 54 FastAPI Jobs in London

tooling, contributing ideas and recommendations for continuous improvement. Who you will work with Data and AI Team About you Strong Python engineering skills (FastAPI, testing, typing) and experience with cloud‐native development (GCP preferred). Hands‐on experience with GCP Vertex AI (model endpoints, pipelines, embeddings, vector search) or equivalent ...

hard problems, raising the bar in code review, and unblocking teammates day-to-day Bonus: Extensive experience with Python web frameworks (Django/FastAPI/Flask/Starlette/Ninja). A background in high-logic or high-scale fields like Fintech, Gaming, Healthcare Tech, Logistics, Security/Cryptography ...

experience with Java and/or Python within enterprise environments Experience building backend services, APIs or distributed systems using technologies such as Spring Boot, FastAPI, Flask or Django Strong SQL and data processing skills, with exposure to large-scale data environments Previous experience working with risk platforms, risk data, trading ...

another regulated industry, is essential. Tech skills include Python, SQL, LLM development (prompt engineering, fine-tuning, RAG), LangChain/LangGraph, agent frameworks, vector databases, FastAPI, and AWS, Azure, GCP or Databricks. CI/CD, MLOps and LLMOps familiarity expected. Strong communication and stakeholder skills matter at every level. ...

workflows, and uses modern AI tools to accelerate engineering and innovation. What you'll do Design and build scalable backend services in Python (FastAPI or similar). Own cloud infrastructure across AWS (GCP experience a bonus). Build secure APIs, event-driven systems and low-latency services. Deliver resilient platforms ...

metadata management platforms. Experience presenting to Design Authority/governance boards. Strong Understanding of Azure data services and API-based integration. Next.js 14, FastAPI Python, Pipeline orchestration, Data transformation, Data quality, Casbin RBAC, Kuzu knowledge graph, Apache Iceberg, MCP AI server integration and ODCS v2 data contracts layer. Experience ...

workflows, and uses modern AI tools to accelerate engineering and innovation. What you'll do Design and build scalable backend services in Python (FastAPI or similar). Own cloud infrastructure across AWS (GCP experience a bonus). Build secure APIs, event‐driven systems and low‐latency services. Deliver resilient platforms ...

Required Qualifications 5-8+ years of experience building production AI/ML systems Modern Python proficiency with deep knowledge of the ecosystem (Pydantic, FastAPI, asyncio, type safety) Experience with modern AI frameworks (we currently favour Pydantic AI) Production experience maintaining human-in-the-loop systems and AI monitoring/ ...

Science, Software Engineering, a related field, or equivalent practical experience Demonstrate strong Python programming skills Design, develop, and integrate RESTful APIs, such as with FastAPI Build and support ETL and data pipeline engineering workflows Apply Infrastructure as Code practices, such as Terraform, and work within CI/CD pipelines Design ...

Hands‐on experience with LLM and agent frameworks and agentic reasoning patterns. Practical understanding of Model Context Protocol (MCP), including server and tool patterns. FastAPI and REST API design and implementation experience. Experience with prompt engineering and RAG‐based architectures. Containerisation and Kubernetes‐based deployment experience. Ability to work across ...

experience within enterprise environments Excellent SQL and data processing skills, including Pandas/NumPy Experience building APIs and backend services using frameworks such as FastAPI, Flask or Django Previous exposure to trading, risk, PnL or capital markets environments Experience with large-scale data processing, cloud platforms or investment banking systems ...

skills, including schema design, query tuning, and migrations. Strong API design experience, including clear contracts, versioning, and backwards compatibility. Python‐first experience, ideally with FastAPI or a similar framework. Redis experience, including caching patterns, invalidation, and pub/sub where appropriate. CI/CD fluency and comfort operating your ...

operate MCP-based platforms and collaborate with product teams to deliver reliable AI tooling. The role requires strong Python, expertise with LLM frameworks, FastAPI, and Kubernetes, plus experience with RAG and tool orchestration in an enterprise setting. #J-18808-Ljbffr ...

implementation credibility is relevant. Required experience: 8+ years of professional software engineering experience, including ownership of production backend systems. Expert-level Python engineering experience. FastAPI, Pydantic, asyncio, SQLAlchemy or equivalent frameworks are highly relevant. Strong PostgreSQL experience, including schema design, migrations, indexing, transactional semantics and operational performance. Experience designing secure ...

scaling business Knowledge of FCA compliance/Financial Services/regulated environment preferred Highly motivated to learn about Fundment’s products Technical Expertise: Python: FastAPI, Pydantic, SQLAlchemy, PyTest, Pandas, Numpy Cloud: Experience supporting production systems Security & Compliance: Familiar with secure coding and regulated environments Values Collaborative – Deliver as a team ...

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 ...

platform. This hybrid role is based in London near Waterloo Station and reports to the Head of Platform. You will design scalable Python services (FastAPI), build high-performance APIs, manage GCP infrastructure and CI/CD pipelines, and line-manage 3–5 engineers. #J-18808-Ljbffr ...

routing engine, billing infrastructure and webhook delivery. Python/FastAPI/MongoDB. We process every inbound lead through code you write — sub-100ms p99 latency, idempotent everything, audit-trail everything. Who you are 6+ years building production Python services — async/await fluent Deep MongoDB experience including indexing, aggregation, transactions ...

experience 3+ years of experience leading and managing engineering teams Strong hands-on Python development background Experience with frameworks such as Flask, Django, or FastAPI Proven track record of mentoring and developing engineers Strong AWS experience and understanding of cloud-native architectures Experience with APIs, microservices, and distributed systems Solid … Data Platforms, ETL pipelines, analytics, or data-driven products would be beneficial Excellent communication and stakeholder management skills Tech Stack Python Flask, Django, FastAPI AWS CI/CD Tooling Docker & Kubernetes (desirable) Data Platforms & ETL Pipelines Location Hybrid – Hounslow, West London 2 days per week onsite Flexible hybrid working model ...

generative AI abstraction layers Model the cost, feasibility and risk of different LLMs and implementation approaches THE STACK AWS, Bedrock, LangGraph, LangChain, Python, FastAPI, PostgreSQL, Snowflake, Airflow, React, Next.js, Kubernetes. YOUR EXPERIENCE 15+ years in enterprise software engineering with a background in product engineering organisations or technology companies Deeply technical … designing systems from scratch and driving architectural decisions across multiple teams Agentic AI delivered in production, ideally LangGraph or LangChain, with strong Python and FastAPI AWS architecture at scale, with a preference for open standards over cloud-native lock-in Full-stack understanding across FE, BE, ML/ ...

integrated services. Define and drive architecture for scalable, secure, reliable, and maintainable AI solutions deployed in production. Develop robust, well-tested backend APIs with FastAPI, containerized via Docker and deployed on Kubernetes. Architect and own search and retrieval solutions using Azure AI Search and MongoDB, including design of indexing strategies … including building and shipping production backend services. Hands‐on experience building applications with LLMs such as Azure OpenAI, OpenAI, Anthropic, or similar. Experience with FastAPI or comparable Python web frameworks. Production experience with Docker and Kubernetes, including deployment and management on AKS. Strong hands‐on experience with Azure, including Azure ...

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 ...

shape the technical roadmap for the firm's AI products. Key responsibilities include: Designing, building, and optimizing high-performance backend systems in Python and FastAPI Developing and maintaining backend systems that handle large volumes of real-time data Writing clean, testable, and maintainable code following best practices Contributing to system … ownership of projects end-to-end in a collaborative, fast-moving environment Requirements 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 ...

drop me a message if youd like to discuss the role further. Keywords: Senior Software Engineer, Backend Engineer, Agentic AI, Distributed Systems, Python, FastAPI, Kubernetes, Cloud Infrastructure, AI Agents, Event-Driven Architecture, Async Systems, Scalable Systems, Backend Architecture, Healthcare AI, Production AI Systems Apply now or drop me a message … youd like to discuss the role further. Keywords: Senior Software Engineer, Backend Engineer, Agentic AI, Distributed Systems, Python, FastAPI, Kubernetes, Cloud Infrastructure, AI Agents, Event-Driven Architecture, Async Systems, Scalable Systems, Backend Architecture, Healthcare AI, Production AI Systems ...

us. If that sounds like you, we can’t wait to hear from you. Our Tech Stack Our stack is built on Python and FastAPI, deployed via Docker and Kubernetes on AWS, with ArgoCD handling our continuous delivery pipeline. What we’re looking for Interest in leading or mentoring … hold others to the same standard Some experience building and maintaining data pipelines, ETL processes, or data-intensive backend services Solid understanding of FastAPI or a comparable modern Python web framework Strong automated testing skills across unit, integration, and functional levels Experience working with cloud infrastructure, ideally AWS, and comfortable ...