1 to 25 of 86 Remote/Hybrid FastAPI Jobs in London

GenAI Full Stack Engineer - Managing Consultant

Hiring Organisation
83zero Limited
Location
City of London, South East, United Kingdom
Employment Type
Permanent Contract, Hybrid
Salary
£80,000
skills by exploring and experimenting with emerging technologies, including GenAI. Your skills and experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity ...

Senior Consultant - Agentic AI / Generative AI

Location
Greater London, England, United Kingdom
Redux, Zustand, Jest, Cypress.* Build AI product UX patterns (streaming, review loops, provenance/citations, long-running tasks, error-recovery* Backend: Django (5.x+), DRF, FastAPI, Pydantic, Celery, Django Channels, Flask, RESTful APIs.* Databases & Storage: PostgreSQL, MS SQL Server, MongoDB, Firestore, BigQuery, Azure Blob Storage.* Cloud & DevOps: Azure (App Services, OpenAI ...

Senior Full-Stack Developer

Location
City Of London, England, United Kingdom
like React Proficiency with writing maintainable Python and Typescript, including experience of working with relevant libraries for data processing and backend API development (i.e., FastAPI, Pydantic, expressJS, NodeJS, NextJS API Router, etc) Good understanding of cloud deployment Strong understanding and proven experience working with browsers and web APIs including HTML ...

Senior Python Engineer (Full Stack)

Location
Greater London, England, United Kingdom
improved UX WHAT WE’RE LOOKING FOR Solid experience with Python in a web application context. You have some experience with web frameworks like FastAPI, Django or Flask. We use FastAPI. Experience with Javascript/Typescript and a modern JS framework such as React, Angular or Vue.js. We generally ...

Backend Developer (Python)

Location
Greater London, England, United Kingdom
architectural discussions Collaborate with frontend teams on API design Requirements Required Qualifications 3+ years of Python development experience Strong experience with Django or FastAPI frameworks Proficiency with relational databases (PostgreSQL, MySQL) Understanding of RESTful API design principles Experience with version control (Git) and collaborative development Knowledge of testing frameworks ...

Full Stack Developer, Python / React / Typescript

Location
Greater London, England, United Kingdom
frontend, you’ll design, build and operate the APIs and backend services that power these experiences. Working with Python and frameworks such as FastAPI, you’ll develop secure, high-performing services using SQL and relational data models. You’ll work across areas such as asynchronous processing, validation, pagination, caching, versioning ...

Lead Software Engineer - Solution & Data Architecture - B2B SaaS Fintech

Location
Greater London, England, United Kingdom
Kotlin, Java 17+, Spring Boot & Co, JPA/Hibernate, SQL and NoSQL, Elasticsearch, Gradle, JUnit/AssertJ/MockK Metrics, analytics and AI: Python, FastAPI, Polars, LangChain Frontend: React (TanStack Query/React Router/react-hook-form + Zod), TypeScript, nx.dev, Tailwind CSS/shadcn/ui, Vitest/ ...

Polyglot Engineer (JS/Python/Go)

Location
Greater London, England, United Kingdom
JavaScript/TypeScript, Python, and/or Go, with the ability to rapidly learn new languages; Experience with modern frameworks across the stack (FastAPI, Gin, Express, etc.); Production experience with React, modern build tools, state management, responsive design, and accessibility standards; Comprehensive testing experience (unit, integration, E2E, security) and performance ...

Backend Developer

Location
Greater London, England, United Kingdom
grade B2C/B2B platforms or high-volume marketplace solutions. Core Language Proficiencies: Deep framework and programming mastery in Node.js (TypeScript), Python (Django/FastAPI), or Go ecosystem components. Data Operations: Strong practical background working across PostgreSQL/MySQL schemas, NoSQL document sets, caching mechanics, and complex relational transaction management ...

Software Engineer Intern, Collaboration Tools and Experience team - Placement Year, UK

Location
Greater London, England, United Kingdom
hybrid work environments. Developing user interfaces using TypeScript and React. Building backend services primarily using Golang and Python, utilizing various frameworks such as FastAPI and Django. Managing data storage with MongoDB and PostgreSQL. Handling asynchronous processing with technologies such as Celery and Temporal. Creating Docker containers via CI/ ...

Full Stack Software Engineer

Location
Greater London, England, United Kingdom
paired with a strong eye for intuitive UI/UX design. You possess solid backend development skills in Python or TypeScript frameworks (such as FastAPI, Flask, or Django) and are comfortable managing the full application lifecycle. You are experienced in deploying software within cloud environments like AWS, Azure ...

AI Consulting –Sr. AI Architect & Client Partner

Location
Greater London, England, United Kingdom
field. Master’s preferred. Skills and Personal attributes we would like to have: Core Knowledge Expected Programming & engineering : expert Python; REST APIs and microservices; FastAPI; distributed systems; cloud-native architecture. LLM application delivery: prompt engineering, tool and function calling, RAG, and at least one production Agentic AI system. Cloud ...

Senior FullStack Engineer - TypeScript - Python

Location
Greater London, England, United Kingdom
entire system Our stack Infrastructure: AWS, Terraform Frontend: Vercel, NextJS, React/Redux, Testcafe (or similar, Cypress, Playwright) Backend: TypeScript, Vitest, TypeORM, Python, FastAPI, SQLAlchemy, pytest, Docker Compose Experience and Skills Experience as a full stack engineer An end-to-end systems-mindset; we are building a product that should ...

Senior FullStack Engineer - TypeScript - Python

Hiring Organisation
Experian
Location
London, England, United Kingdom
reliability of our entire systemOur stackInfrastructure: AWS, TerraformFrontend: Vercel, NextJS, React/Redux, Testcafe (or similar, Cypress, Playwright)Backend: TypeScript, Vitest, TypeORM, Python, FastAPI, SQLAlchemy, pytest, Docker ComposeQualificationsExperience as a full stack engineerAn end-to-end systems-mindset; we are building a product that should grow itself and require minimal ...

Senior Engineer

Location
Greater London, England, United Kingdom
excited about using technology to improve healthcare, particularly for women and families. Specific Requirements Backend experience with Node.js and/or Python (FastAPI, Flask) Experience with front end frameworks (React, Next.js, Vue). Exposure to cross platform frameworks a plus (e.g. React Native). Experience deploying and operating systems ...

Remote Machine Learning Engineer

Hiring Organisation
Understanding Recruitment
Location
London, England, United Kingdom
production-grade AI systems.ð§ What we're looking for:Strong commercial Python experience and solid software engineering fundamentals.Experience building backend services and APIs using FastAPI, Flask or Django.Hands-on experience deploying and maintaining ML models in production.Familiarity with PyTorch, TensorFlow or scikit-learn.Experience with AWS, GCP or Azure, Docker ...

Senior Full Stack Engineer

Hiring Organisation
Anson McCade
Location
London, England, United Kingdom
applications while working within established engineering standards and delivery processes.Rate: Outside IR35 Remote: HolbornWhat You'll NeedStrong commercial experience with Python development.Excellent knowledge of FastAPI, including API design, middleware and asynchronous programming.Experience using Pydantic for data validation and API modelling.Experience with Alembic (or similar schema migration tools).Strong PostgreSQL skills ...

Senior AI/ML Engineer

Location
Greater London, England, United Kingdom
teams to understand their needs and provide scalable platform solutions. Continuously improve developer experience and platform adoption across the organization. Tech Stack Backend Python FastAPI Agent Development Kit (ADK) Datastores PostgreSQL BigQuery Firestore Infrastructure Google Cloud Platform (GCP) RabbitMQ Terraform Monitoring & Observability Grafana Prometheus Langfuse incident.io Sentry Plum's Perks ...

Principal Engineer (Software Engineering/Devops)

Location
Greater London, England, United Kingdom
this new era of software development and the opportunities it brings. The Engage stack includes Javascript/TypeScript (NodeJS/Express, Python (Lambda & FastAPI) React Native), DocumentDB, Mysql, Postgres, Opensearch, Redshift and MongoDB. We use AWS for our cloud services and our infrastructure is managed with K8s, Terraform, Github Actions ...

Head of Engineering

Hiring Organisation
RedTech Recruitment Ltd
Location
City of London, South East, United Kingdom
Employment Type
Permanent Contract, Remote
Manager/Go/TypeScript/Python/PostgreSQL/Docker/Kubernetes/AWS/DigitalOcean/Terraform/Gin/NestJS/FastAPI/Express.js/CI/CD/Artificial Intelligence/Large Language Models/Cloud Architecture/SaaS/Start-up/Product Launch/ ...

Senior Data Scientist

Location
Greater London, England, United Kingdom
LangSmith, or comparable MLOps/LLMOps and evaluation tooling. Experience with vLLM, NVIDIA Triton, quantization, GPU memory sizing, or distributed inference. Python backend APIs (FastAPI, Flask, or similar); OpenTelemetry and AI observability. AI safety, prompt injection evaluation, privacy, responsible AI, and model governance. Enterprise code understanding, legacy modernization, or domain ...

Senior Data Scientist

Hiring Organisation
Data Careers
Location
South East London, South East, United Kingdom
Employment Type
Permanent Contract, Remote
Salary
£70,000
skills and a collaborative approach. Desirable Experience Data engineering technologies such as Databricks, PySpark or Spark. Cloud platforms, particularly AWS. Python frameworks such as FastAPI and PyTorch. Experience developing APIs and data pipelines. Infrastructure as Code, CI/CD and containerisation. Hands-on experience with LLMs, RAG, embeddings or generative ...

Engineering Team Lead AI Python

Hiring Organisation
Client Server
Location
City of London, South East, United Kingdom
Employment Type
Permanent Contract, Remote
close to the code while supporting your team to deliver. You'll drive cloud first engineering across an Azure based platform, using Python/FastAPI, React/TypeScript, PostgreSQL, MongoDB and a multi-provider LLM stack including OpenAI, Gemini and Anthropic. You'll champion high quality, scalable and cost effective ...

Senior/Staff Backend Engineer (London, Hybrid)

Location
Greater London, England, United Kingdom
schema design Experience deploying on AWS (or similar), with solid CI/CD and production-readiness fundamentals Bonus: Python and a modern web framework (FastAPI, Flask, or Django) Why You’ll Thrive Here Significant equity ownership in one of the top AI companies in the world You’re joining early ...

Python Software Engineer - Fintech

Hiring Organisation
Run-Time Group Ltd
Location
London, United Kingdom
Employment Type
Permanent Contract, Full Time, Hybrid
Salary
£90,000
class - 2;1 Degree in Comp Sci or STEM subject from a Top ranked University 3+ years of experience in Python development Tech: Python, FastAPI, Pydantic, PostgreSQL, AWS DevOps tools: Kubernetes, Docker, Terraform, Jenkins Very strong software engineering principles Enthusiasm for startup environment and cross-functional teams Passion for automation ...