151 to 175 of 212 FastAPI Jobs in England

simulate and audit how markets, competitors, and customers respond to high-stakes decisions before they go live. Задачи: Build the core product using Python (FastAPI) and React (Next.js/TypeScript), architecting systems for customer workspaces and data ingestion; Design and implement customer-facing interfaces for querying, exploring, and auditing ...

expect you to know all of this on day one, but you should be excited to work with: Languages/Frameworks: Python, Django, FastAPI What We Offer Competitive salary and benefits package Discretionary performance-based bonus A truly dynamic, global environment with massive scale and exposure Continued personal development through ...

hiring you is your technical judgement. What’s already decided, and what’s yours The broad technology direction is agreed: Python/FastAPI for new backend services. React/TypeScript for web. React Native for mobile. AWS as the platform. Managed and serverless services where they make sense. Agentic development ...

rate: £400 to £450 Duration: 12 months duration Location: London, Redman Place - onsite 3 days a week. IR35: Outside IR35 Backend Engineer with strong FastAPI and microservices experience, ideally gained in cloud-native environments. Exposure to AI/GenAI products is highly desirable. Candidates should be comfortable owning technical solutions … working within Agile product teams. Experience with PostgreSQL, Docker, GitHub Actions, and modern backend engineering practices is essential. Essential Skills Strong Python development experience (FastAPI, Pydantic, SQLAlchemy, Pytest). Experience with PostgreSQL, Docker, Git/GitHub, GitHub Actions, and microservices. Knowledge of Pandas, NumPy, OpenTelemetry, and cloud-native development. Strong ...

Lead Software Engineer/Developer (Python FastAPI Azure Databricks) London/WFH to £110k Are you a backend focused Software Engineer with strong Python skills combined with technical/team leadership experience? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance ...

Ersilia in London is seeking a Senior Backend Engineer to build production Python backends (FastAPI) powering AI features for professional investors. You will own APIs, design orchestration for agentic workflows, and work with PostgreSQL and ClickHouse, shipping features from sketch to live production. The team is small and highly impactful ...

shipped and operated across the business. You will lead design and development of core applications, build production UIs with Python-centric stacks such as FastAPI, Jinja, HTMX and Tailwind, and guide backend decisions across APIs and architecture. #J-18808-Ljbffr ...

moving fintech environment. You will ship web apps and automation that empower Ops—driven by data, AI, and scalable architectures. You’ll work with FastAPI, Python, and modern JS (React/Next.js), collaborating across Product, Data Science and Analytics to deliver reliable, high‐impact tooling for customer operations. #J ...

insights using Agentic AI, reducing prep time for client meetings and improving insight quality. The role emphasizes backend development in Python, API design with FastAPI, and cloud experience (AWS), including observability and deployment pipelines. You will work with business and technical teams to deliver scalable, production-grade code ...

engineering team. You will help build and evolve the backend systems powering our wealth platform, designing secure, scalable APIs and internal tools using Python, FastAPI, SQLAlchemy, and related technologies. Collaborate with cross-functional teams, own complex problems, and deliver production-ready code with strong emphasis on maintainability, observability, and reliability. ...

global debt markets. A Backend/Full-stack engineer is sought to design systems, build APIs, and advance data processing within our Python stack (FastAPI/Flask) on a hybrid UK-based team. You will develop backend services, contribute to a broad range of platforms and collaborate with cross-functional ...

design and prototype scalable AI solutions, moving quickly from idea to PoC to production, with a hacker mindset. You will build Python APIs (FastAPI/Flask), deploy on AWS (ECS/EKS, Lambda), and work with LangChain, AutoGen, and CrewAI to deliver generative AI applications. This role emphasizes risk awareness ...

business problems, including model validation, performance monitoring, and communication of model limitations. Experience developing internal tools or analytical applications using frameworks such as Flask, FastAPI, or similar. Familiarity with cloud computing platforms (e.g. Google Cloud). Industry Knowledge (marketing and gaming) Understanding of game industry dynamics, including genre-specific sales ...

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 ...

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 the company: UK Private healthcare for you and your family plus ...

LLMs, RAG, agents and model APIs. Take AI ideas from rapid prototypes through to reliable production systems. Work across Python, React/TypeScript, Django, FastAPI, PostgreSQL and AWS. Improve architecture, engineering standards and delivery practices. Work closely with product, business and engineering stakeholders to solve complex problems. Mentor and support … engineers through pairing, reviews and technical guidance. Make pragmatic decisions around scalability, security, reliability and maintainability. Technology Python | React | TypeScript | Django | FastAPI | PostgreSQL | AWS | Docker | REST APIs | CI/CD | Git AI experience across LLMs, RAG, agentic workflows, embeddings, prompt design or model evaluation is particularly valuable. What Theyre Looking ...

full-stack applications from frontend to backend. Develop high-quality user interfaces using React and Next.js. Build scalable backend services and APIs using Python (FastAPI or Django preferred). Design and optimize relational and NoSQL databases. Build reliable background workers, asynchronous processing, and distributed services. Deploy and maintain cloud-native … Looking For 5+ years of professional software engineering experience. Strong production experience with React and Next.js. Excellent backend development skills using Python. Experience with FastAPI or Django. Strong knowledge of PostgreSQL and relational databases. Experience with Redis, background workers, and asynchronous processing. Hands-on experience with Docker, Kubernetes ...

resilience patterns, scaling approaches, deployment strategies, and operational readiness. Design, build, and operate back-end services using Java (Spring Boot) and/or Python (FastAPI/Flask), covering API design with OpenAPI, performance optimisation, and security controls. Develop modern user interfaces with React, focusing on accessible design, reusable components … Java, including Spring Boot, REST APIs, testing strategies, and performance tuning. Strong hands-on experience with Python for service development and automation, preferably using FastAPI or Flask. Proven experience building and maintaining front-end applications with React, ideally using TypeScript, modern hooks, and robust front-end testing approaches. Demonstrable experience ...

required) Key Responsibilities On the backend, you will design, build and maintain scalable services and RESTful/GraphQL APIs using Python with Django or FastAPI, writing clean, well-tested, production-grade code with a focus on reliability and performance. You will design and implement data models working with PostgreSQL … more years, in software engineering with a strong track record of delivering production systems. You have backend proficiency in Python with Django or FastAPI, strong frontend experience with React and TypeScript including component architecture, state management and modern tooling, and a solid understanding of relational databases, PostgreSQL preferred, covering schema ...

required) Key Responsibilities On the backend, you will design, build and maintain scalable services and RESTful/GraphQL APIs using Python with Django or FastAPI, writing clean, well-tested, production-grade code with a focus on reliability and performance. You will design and implement data models working with PostgreSQL … more years, in software engineering with a strong track record of delivering production systems. You have backend proficiency in Python with Django or FastAPI, strong frontend experience with React and TypeScript including component architecture, state management and modern tooling, and a solid understanding of relational databases, PostgreSQL preferred, covering schema ...

Backend Developer to lead technical projects and enhance its web applications. This role requires strong expertise in Python, experience with frameworks like Flask and FastAPI, and the ability to deliver APIs effectively. The ideal candidate will collaborate with various teams, mentor junior staff, and contribute to the automation and improvement ...

Virtual Personas Delivery of the Product roadmap Managing a team consisting of a range of skillsets and experience Full stack development, across Python/FastAPI services and React/TypeScript front ends Continuously improving the team's processes for iterative development, including embedding automated testing and CI quality gates into … encouraging our developers Conducting regular 121's, setting objectives and assisting with tailored development plans Our engineering environment includes technologies such as Python (FastAPI), LangChain/LangGraph for multi-agent LLM orchestration, React/TypeScript, PostgreSQL, MongoDB, Redis, Azure (App Service, Container Registry, Blob Storage), Docker, GitHub Actions, and modern ...

enterprise UI standards and reusable component patterns. Build and maintain Python backend services, APIs, MCP services, and integration layers using frameworks such as MCP, FastAPI & Flask. Design, implement, and integrate with MCP servers and MCP clients that enable secure context sharing between models, tools, applications, and agent runtimes. Develop … combination of the following: work experience, training, military experience, educationStrong proficiency in Python with experience building services using frameworks such as Fast MCP, FastAPI & Flask. Experience developing and integrating with REST APIs, asynchronous services, and event-driven architectures. Experience integrating with AI, LLM-based systems, agent platforms, or AI APIs. ...

Company DescriptionVersion 1 has celebrated over 29 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapidly ...

Company DescriptionVersion 1 has celebrated over 29 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapidly ...