326 to 350 of 443 FastAPI Jobs in the UK

later iterations Able to work and intervene on the whole life cycle of the software Tech Stack: Kotlin with Spring Boot & Python with FastAPI What to Expect from Our Hiring Process At Plum, we value a lot the time you devote to the hiring process, this ...

point to what changed because of your work, that's a flag. The right technical toolkit. Strong Python, hands-on experience with FastAPI, Postgres, ElasticSearch, RabbitMQ, Redis, message queues, and distributed systems, or close enough that the gaps close fast. Domain curiosity, not just technical ability. You go deep ...

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 ...

opportunity. 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 ...

Senior Python Developer - Collibra - Pydantic - FastAPI - 12 month contract - Glasgow Hybrid (3 days onsite) I am looking for an experienced Python Developer with experience of Collibra to deliver robust data structures, metadata models and automation tools for our client in central Glasgow. What you'll focus on: Turning regulatory, risk ...

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 ...

models, implement Python-based data modelling solutions and collaborate across risk, compliance and architecture functions. The role emphasizes hands-on development with Collibra, Pydantic, FastAPI and APIs, alongside SQL and data pipelines for regulatory and metadata management in financial services. #J-18808-Ljbffr ...

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 ...

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 ...

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 ...

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 ...

home office equipment 25 days off a year + national holidays Healthcare cover depending on location Oh and before we forget: Backend Stack: Python (FastAPI), Go, PostgreSQL, Google Cloud Platform (Cloud Run, GKE, Cloud BigTable, etc), Temporal Cloud Frontend Stack: TypeScript, Next.js API docs are here: https://docs.junction.com ...

obsessed with the customer, which is how we hold 4.9 on both Trustpilot and Google. The stack: TypeScript on the backend, Python and FastAPI for Jay, Next.js up front, AWS underneath, Claude Code woven through how we build. You won't have used all of it, and you'll change ...

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 ...

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 ...

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 ...