201 to 225 of 383 Permanent FastAPI Jobs

AI & ML Engineer

Location
Greater London, England, United Kingdom
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 ...

Mid-Senior Software Engineer (AI & Research)

Location
Greater London, England, United Kingdom
support other build teams when needed — we're a startup and context‐switching is part of the job. Our stack: AWS, React Native, React, FastAPI, NestJS, Scala, Cypress, Maestro. (experience across all is not required) Delivery of Wellcome grant CIRCuiTS Companion Design, build and iterate on the AI companion feature ...

Senior ML Engineer

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
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 ...

Applied AI Engineer

Location
Greater London, England, United Kingdom
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/ ...

2027 Software Engineering Talent Pool

Location
Greater London, England, United Kingdom
excites you. Below you can find a small reflection of our current tech stack: Frontend: TypeScript Angular 19 Tailwind CSS Orval Zod Python Pydantic FastAPI All the other good stuff: Docker AWS About our offer We’re taking an office-centric approach to work (with lots of flexibility built ...

Python Software Engineer

Hiring Organisation
Cboe Exchange
Location
London, UK
Employment Type
Full-time
Experience with TDD, BDD or other testing methodologies Preferred: Familiarity with PostgreSQL and Snowflake Preferred: Familiarity with Web Frameworks such as Django, Flask or FastAPI Preferred: Familiarity with event streaming platforms such as Apache Kafka Preferred: Familiarity with data pipeline platforms such as Apache Airflow Preferred: Familiarity with Java Benefits ...

Full-stack Engineer - BYG DE

Location
Greater London, England, United Kingdom
scale systems: Familiarity with working on internal tools or platforms used by large operational teams. Framework experience across Python and TypeScript such as Django, FastAPI and React. Modern deployment experience: Working with CI/CD pipelines or deployment workflows. A data-driven mindset: Using data or metrics to assess whether ...

Senior Software Engineer, Full-Stack Applications (Python)

Hiring Organisation
Fitch Group
Location
Manchester, United Kingdom
Employment Type
Full Time
ideas, and help shape technical decisions We'll Count on You To: • Develop and maintain full-stack applications – Build robust, scalable applications using Python (FastAPI/Flask), and ReactJS following best practices and design patterns • Contribute to the development lifecycle – Write clean, maintainable code, implement CI/CD pipelines with … understanding of OOP concepts, design patterns, SOLID principles, algorithms, data structures, and ability to write clean, maintainable code • Backend Development – Proficiency in Python (Pandas, FastAPI, Flask) for building enterprise applications, data processing, and API development • Frontend Development – Experience with ReactJS , Node.js, TypeScript/JavaScript, and modern web development practices • Database ...

Software Engineer II – AI & Cloud Microservices

Location
Oxford, England, United Kingdom
Agentic AI team in Canada. You will design, build and support AI-powered cybersecurity capabilities, delivering cloud-native microservices and REST APIs with Python, FastAPI and Temporal. You will collaborate across engineering, product, DevOps and security to ensure secure, scalable services and responsible AI practices. The role emphasizes cloud-native ...

Senior ML Engineer - Production AI & Backend

Location
West of England, England, United Kingdom
design, build, and maintain scalable services, extending ML capabilities through the backend while embracing security and modern DevOps practices. Ideal candidates have strong Python, FastAPI experience, and familiarity with ML libraries, Git, Linux, and Scrum. #J-18808-Ljbffr ...

Senior Python Developer - Hybrid | AI/LLM, RAG, CI/CD

Location
Belfast City District, Northern Ireland, United Kingdom
will partner with onshore and offshore teams to design and deliver innovative technology solutions for the front office and Credit Risk Business, using Python, FastAPI, MCP, LLM, and Java. The role focuses on building enterprise-scale, componentized applications and participating in an evolving tech stack. #J-18808-Ljbffr ...

Senior Azure AI Full-Stack Developer (Hybrid, Reading)

Location
Reading, England, United Kingdom
enterprise customers. You’ll work across customer projects, turning business needs into production-grade software using React, Node.js, .NET/C#, Python and FastAPI, with a focus on secure, scalable solutions in Azure. This hybrid role combines hands-on development with mentoring and defining reusable AI patterns. #J-18808-Ljbffr ...

AI-Driven Full Stack Developer - Python & React

Location
City of Edinburgh, Scotland, United Kingdom
Edinburgh. You will be responsible for designing and developing resilient web applications that integrate AI capabilities. The ideal candidate has strong experience in Python (FastAPI), React, and TypeScript, alongside a passion for innovative solutions. The role requires excellent communication skills, a minimum of 4 years in development, and a collaborative ...

Senior Python Developer — Hybrid Role in Credit Risk Tech

Location
Belfast City District, Northern Ireland, United Kingdom
Belfast. You will design and deliver innovative tech solutions for front office and Credit Risk, collaborating with onshore and offshore teams using Python, FastAPI and modern ML tooling. The role requires 5+ years of Python experience, hands-on development, and familiarity with CI/CD, Kubernetes, and large language models. ...

Senior Full-Stack Engineer — AI-Driven Fintech Ops

Location
Greater London, England, United Kingdom
applications and automations across Cards, Loans and Motor, shipping features used daily by Ops teams at scale. Ideal candidates have strong Python web experience (FastAPI/Django/Flask), JS/TS with React, and interest in Generative AI. Hybrid work model with in-office collaboration and growth ...

Senior Software Engineer: AI-Driven Finance, Hybrid

Location
Belfast City District, Northern Ireland, United Kingdom
Software Engineer (Java or Python) to help shape tech for global finance. You will work on full‐stack development, leveraging Spring Boot, Flask/FastAPI, and modern JS frameworks. Expect cloud-native design, Gen‐AI concepts, and involvement across architecture, infrastructure, and AI integration. Hybrid work with mentorship and growth ...

Senior Full-Stack Engineer for AI Agent Platform

Location
Greater London, England, United Kingdom
Full-Stack Engineer to build features across the AI agent platform, from the backend runtime to the frontend UX. You will work with Python (FastAPI) on AWS serverless, and React/TypeScript on the frontend, delivering production features and improving reliability. The role is hybrid, requiring at least 3 days ...

GCP AI Engineer (LLMs, LangChain, LangGraph, Java/Python)

Hiring Organisation
Techmorgonite Software Solutions LLC
Location
Irving, Texas, United States
Employment Type
Any
Salary
USD Annual
LangGraph, and AI Agent orchestration Familiarity with MCP (Model Context Protocol) Experience with AI-powered code generation workflows Good-to-Have: Spring Boot/FastAPI Docker & Kubernetes Vector Databases (Pinecone, Weaviate, Milvus ...

Full Stack Engineer

Location
Greater London, England, United Kingdom
Full Stack Engineer – AI Startup – Up to 85k Location : London, flexible working arrangements, ideally 1/2 days in office Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being used ...

Infrastructure Developer

Location
City Of London, England, United Kingdom
cloud Working closely with infrastructure, platform, security and application engineering teams We are particularly interested in engineers with: Strong commercial Python software development experience FastAPI, SQLAlchemy, Pydantic and PostgreSQL exposure Excellent REST API design and systems integration knowledge Experience modelling complex infrastructure or configuration data Knowledge across at least ...

Lead Full Stack Python / Angular Developer - Startup (Remote)

Location
Cambourne, England, United Kingdom
actively with stakeholders, team members, and clients. Valued Skills and Experience Strong proficiency in Python with at least 4 years of experience. Understanding of FastAPI is a plus. Knowledge of AI, LLM, and prompt engineering is a plus. Prior startup experience is required. Proactive problem solver with a go-getter ...

Senior Data Engineer

Location
Greater London, England, United Kingdom
stability of the system Requirements Strong aptitude with SQL, Python and AWS data stack essential; Experience building efficient, scalable databases and APIs (e.g. Django, FastAPI) a huge plus; Experience in Kubernetes, Docker, Spark and related monitoring tools (e.g. DataDog, Grafana, Prometheus) for DataOps a huge plus; Experience with Airflow ...

Infrastructure Developer

Hiring Organisation
Ncounter
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£110,000 - £130,000 per annum
cloud • Working closely with infrastructure, platform, security and application engineering teams We are particularly interested in engineers with: • Strong commercial Python software development experience • FastAPI, SQLAlchemy, Pydantic and PostgreSQL exposure • Excellent REST API design and systems integration knowledge • Experience modelling complex infrastructure or configuration data • Knowledge across at least ...

Software Engineer

Location
Greater London, England, United Kingdom
strong backend engineers who've built production systems with any robust framework — Java/Spring Boot, Go, Kotlin, C#/.NET, Python (Django/FastAPI) or Ruby on Rails — and can ramp into TypeScript fast. We care that you've built and operated real backends, not which language ...

Senior Backend Engineer

Location
Greater London, England, United Kingdom
firms rely on to make real capital decisions. What you'd actually work on Building and shipping production backend services and APIs in Python (FastAPI) that power the platform's AI features, used daily by professional investors Designing and owning the orchestration layer for agentic AI capabilities: how the system ...