76 to 100 of 110 FastAPI Jobs in London

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 ...

environments. Deep software engineering expertise across modern application development, distributed systems, APIs and scalable platform design, with strong experience in technologies such as Python, FastAPI/Django and React. A hands-on approach to engineering, remaining close to the code while influencing technical direction and raising engineering standards. Curiosity ...

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 ...

inference pipelines and APIs, running both on cloud and on-prem environments. The tech stack you will use for this includes: Python, PyTorch, Pandas, fastAPI, Scipy, Kubeflow, among others. Mentor and develop engineers and data scientists; provide technical direction and clear, calm decision‐making under pressure. Travel to customer sites ...

This role is for one of the Weekday's clients Min Experience: 6 years Location: London JobType: full-time We are seeking a highly skilled and experienced Senior Software Engineer with deep expertise in Python ...

microservices. You will work on an application for a major trader, contributing to architecture, integration, and deployment strategies. The role requires deep Python expertise (FastAPI, SQLAlchemy) and experience with microservices, data handling, and code quality. This on-site position offers growth in a dynamic commodities environment. #J-18808-Ljbffr ...

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 ...

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 ...

think like a researcher but ship like an engineer, you write clean, well-tested Python, and you build services and APIs (for example with FastAPI) that others can depend on. A track record of designing and operating dependable AI workflows, including the pipelines, evaluation harnesses, and monitoring that keep complex ...

focus on backend-heavy, high-impact product development alongside elite technical founders. What You'll Do Own both frontend (React, Next.js) and backend (Python — FastAPI/Django) for production systems. Build and maintain containerized, orchestrated infrastructure (Docker, Kubernetes) with CI/CD pipelines. Deploy and manage applications on cloud infrastructure … professional software engineering experience (minimum 18 months per role), with proven production expertise in React and Next.js and deep backend development skills in Python (FastAPI/Django preferred). Strong hands-on experience with relational and/or NoSQL databases, containerization, CI/CD, and cloud infrastructure is required, along ...

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 ...

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 ...

tasks, implement DevOps practices, and collaborate across product teams to deliver robust features for the space-tech platform. You will work across Python, React, FastAPI, and cloud services, contributing to CI/CD workflows and ensuring high performance, reliability, and maintainability in a fast-paced startup environment. #J-18808-Ljbffr ...

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 ...

agent. They are looking for you to have a strong engineering background and to have recently worked with Ai concepts. Experience needed below: Python FastAPI or similar JavaScript/TypeScript Ai Frameworks RAG LLMs GenAi/Agentic Ai By applying for this role, you consent to SGI contacting ...

Apprentice Software Developer Location: City of London, Office based Job Type: Full-time, Apprenticeship 18-month Fixed term contract A new exciting Software Developer Apprenticeship opportunity has become available working with a dynamic team at ...

If you’re looking for a career that will help you stand out, join HSBC, and fulfil your potential - whether you want a career that could take you to the top, or an exciting new ...

enable business units to build and tool an agent. Preference given to candidates with strong engineering background and recent experience in AI concepts, Python, FastAPI, JavaScript/TypeScript, and relevant AI frameworks. #J-18808-Ljbffr ...

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 ...

Python Developer Location: London or Ipswich - Office based Start Date : ASAP Contract Rate: £420 per day inside IR35 Duration: 12 months initially Role Overview Our client is seeking a Python Developer to develop and maintain ...

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 ...

improve software that sits at the heart of the business. What You Will Be Doing Building backend services and APIs using Python and FastAPI Developing frontend applications using React, TypeScript and Next.js Working with PostgreSQL, SQL Server and MongoDB Building and improving internal business applications Working with Microsoft Azure cloud … databases A genuine interest in working across both backend and frontend development A proactive attitude and willingness to learn new technologies Experience with FastAPI, Django, Next.js, Azure, MongoDB, REST APIs, Git or CI/CD would also be beneficial. You do not need experience with every technology listed. The hiring ...

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 ...

flows and platform dashboards. Design and implement full-stack features end-to-end, connecting dynamic UI components to backend APIs and services using Python (FastAPI). Collaborate directly with Product, Design, and the CTO to translate complex AI workflows into smooth, slick end-user experiences. Set the standard for frontend …/Tailwind, and modern SPA frameworks (Vue 3 or React). Full-Stack Capability: Comfortable navigating and writing backend code. While they use Python (FastAPI) on the backend, they are flexible on backend language backgrounds as long as you have solid API integration experience. Product & Design Empathy: You care deeply ...