Remote FastAPI Jobs in London

1 to 25 of 46 Remote FastAPI Jobs in London

Senior Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Reed.co.uk
senior or technical lead role. Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms in a production environment. Strong understanding More ❯
Employment Type: Full-Time
Salary: £80,000 - £90,000 per annum
Posted:

Solutions Engineer/Site Reliability Engineer

London, United Kingdom
Hybrid / WFH Options
Zefr
Continuous Delivery: Argo CD Primary Scripting/Automation Language: Python Observability & Monitoring: Monitoring & Alerting: Prometheus, Datadog, Pagerduty Telemetry Standards: OpenTelemetry Application & Data Ecosystem (Supporting): Application Languages/Frameworks: Python, FastAPI, Flask, Node.js, React Data Streaming: Apache Kafka Data Processing/Transformation: Pandas, DBT Workflow Orchestration: Apache Airflow, Ray Machine Learning Stack: Serving: Triton Inference Server MLOps/Experiment Tracking: Weights More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Data Scientist, Machine Learning Engineer 2025- UK

London, United Kingdom
Hybrid / WFH Options
Aimpoint Digital
traditional machine learning tools such as Python, SKLearn, XGBoost, SparkML, etc. Experience with deep learning frameworks like TensorFlow or PyTorch. Knowledge of ML model deployment options (e.g., Azure Functions, FastAPI, Kubernetes) for real-time and batch processing. Experience with CI/CD pipelines (e.g., DevOps pipelines, Git actions). Knowledge of infrastructure as code (e.g., Terraform, ARM Template, Databricks Asset More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Backend Engineer

London, United Kingdom
Hybrid / WFH Options
Fruition Group
Stay ahead of industry trends and champion AI and automation tools to boost team efficiency About You Proven leadership and hands-on experience building production-grade Python services with FastAPI, Flask, or Django REST Framework Deep understanding of microservices architecture, APIs, service discovery, and messaging patterns Experience with cloud platforms (AWS, GCP, Azure) and containerisation (Docker; Kubernetes a plus) Strong More ❯
Employment Type: Permanent, Work From Home
Posted:

Senior Tools Software Engineer Engineering London

London, United Kingdom
Hybrid / WFH Options
Croud
in secure software development and adherence to best practices (e.g., SOLID principles). Hands-on experience with Python frameworks for building RESTful APIs, such as Django/DRF or FastAPI . Clear and effective communication skills tailored to technical and non-technical audiences. Highly Desirable: Experience with Generative AI and LLMs for delivering advanced solutions Familiarity with diverse database types More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Tools Software Engineer Engineering London (London)

Stroud Green, Greater London, UK
Hybrid / WFH Options
Croud
in secure software development and adherence to best practices (e.g., SOLID principles). Hands-on experience with Python frameworks for building RESTful APIs, such as Django/DRF or FastAPI . Clear and effective communication skills tailored to technical and non-technical audiences. Highly Desirable: Experience with Generative AI and LLMs for delivering advanced solutions Familiarity with diverse database types More ❯
Employment Type: Full-time
Posted:

Back-End Developer (Python Application Development)

London, United Kingdom
Hybrid / WFH Options
Venquis
environment (e.g., asset management, hedge funds, investment banks) Strong working knowledge of Amazon Web Services (AWS) and cloud-native development Experience with RESTful API design and frameworks such as FastAPI, Flask, or Django Proficient in working with relational databases (PostgreSQL, MySQL) and ORMs (e.g., SQLAlchemy) Familiarity with Docker , container orchestration, and infrastructure-as-code (e.g., Terraform or CloudFormation) Solid understanding More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Python Developer

South West London, London, United Kingdom
Hybrid / WFH Options
Stealth IT Consulting Limited
to impactful Proofs of Concept (POC), engage with clients, and explore new business development avenues as you shape the future of AI-driven solutions. What Were Looking For: Python (FastAPI), Typescript (Express) or similar Frontend Development: React, Next.js, or Vite GenAI tools: LangChain, LangGraph, CrewAI, or Vercel AI (Python or JavaScript) LLM platforms: OpenAI, Anthropic, Mistral, or Llama Cloud: AWS More ❯
Employment Type: Permanent, Work From Home
Salary: £55,000
Posted:

Engineering - AI Agents Engineer - Analyst - London London United Kingdom Analyst

London, United Kingdom
Hybrid / WFH Options
Goldman Sachs Bank AG
including but not limited to Retrieval-Augmented Generation (RAG), AI agents, and other advanced AI methodologies. Strong fullstack development experience with TypeScript and React for frontend development coupled with FastAPI/Flask for Python backend services, with additional OfficeJS API knowledge preferred Extensive knowledge of AI and machine learning ecosystems, including proficiency in modern RAG/Agent frameworks includingLangchain/ More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Python AI Agent Engineer

London, United Kingdom
Hybrid / WFH Options
Intropic
communication with both a technical and non-technical audience Independent and self-driven learner, able to step outside of their area of expertise Python; we work with asyncio, SQLAlchemy, FastAPI, Pydantic, NumPy, Pandas SQL; performance tuning, schema design, monitoring in production, we mainly work with PostgreSQL Experience with transformer LLMs - attractive, nice to have Cloud (AWS) deployments and monitoring, basic More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Engineer

London, United Kingdom
Hybrid / WFH Options
Antler
opportunity for fast career growth. Have the opportunity to participate in the upside of an ultra-growth venture. Have fun Apply if: You have experience with our stack: Python, FastAPI, Postgres, SQLAlchemy, Alembic, Typescript, React, LlamaIndex/LangGraph, PyTorch, HuggingFace, OpenAI, Docker, Azure, You have taken entire products or features from ideation to deployment and you've measured their impact. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Python Developer - Hybrid Remote

North West London, London, United Kingdom
Hybrid / WFH Options
VERTECH GROUP (UK) LTD
where youll focus on building scalable, reliable backend systems while also sharing knowledge and guiding less experienced developers where needed Essential: Solid background in backend development using Python (Flask, FastAPI, or similar) Good skills in Google Cloud Platform (GCP) Experience developing RESTful APIs Familiarity with Cloud Functions and Cloud Run Skilled in Docker and/or Kubernetes Understanding of CI More ❯
Employment Type: Permanent, Work From Home
Salary: £95,000
Posted:

Senior Python Developer - Hybrid Remote

NW3, Hampstead, Greater London, United Kingdom
Hybrid / WFH Options
Vertech Group (UK) Ltd
you’ll focus on building scalable, reliable backend systems while also sharing knowledge and guiding less experienced developers where needed Essential: Solid background in backend development using Python (Flask, FastAPI, or similar) Good skills in Google Cloud Platform (GCP) Experience developing RESTful APIs Familiarity with Cloud Functions and Cloud Run Skilled in Docker and/or Kubernetes Understanding of CI More ❯
Employment Type: Permanent
Salary: £90000 - £97000/annum + Benefits
Posted:

GenAi Manager

South West London, London, United Kingdom
Hybrid / WFH Options
Stealth IT Consulting Limited
new business development avenues as you shape the future of AI-driven solutions. What Were Looking For: Managerial experience - Leading/Managing a small team of GenAi Developers Python (FastAPI), Typescript (Express) or similar Frontend Development: React, Next.js, or Vite GenAI tools: LangChain, LangGraph, CrewAI, or Vercel AI (Python or JavaScript) LLM platforms: OpenAI, Anthropic, Mistral, or Llama Cloud: AWS More ❯
Employment Type: Permanent, Work From Home
Salary: £85,000
Posted:

Infrastructure Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
automation Solid understanding of cloud networking, security, and cross-cloud connectivity Experience in monitoring, observability, and cost optimisation Nice to Have Experience with ML tooling (MLflow, Kubeflow) Knowledge of FastAPI , Databricks, or Snowflake Exposure to SRE practices or cloud security certifications Familiarity with Prometheus , Grafana , or Datadog Interested? If you want to be part of a world-class AI team More ❯
Employment Type: Full-Time
Salary: £100,000 - £180,000 per annum
Posted:

Senior Full Stack Engineer Python React

London, South East, England, United Kingdom
Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
Collaborate with MLOps and DevOps teams to optimise architecture and deployment pipelines What You'll Bring 5+ years in backend or fullstack engineering roles Strong Python skills, ideally with FastAPI and the ASGI ecosystem Experience with modern frontend frameworks (React, Vue, Angular) Proficiency in event-driven architectures and distributed task queues (e.g., Celery) Understanding of large-scale model serving workflows More ❯
Employment Type: Full-Time
Salary: £100,000 - £180,000 per annum
Posted:

Data Engineer

Central London, London, United Kingdom
Hybrid / WFH Options
Singular Recruitment
Highly desirable skills include: Domain Experience: Familiarity with the unique structure of sports data (e.g., event, tracking, scouting, video). API Development: Experience building data-centric APIs, especially with FastAPI on serverless platforms like Google App Engine . Streaming Data: Practical experience building real-time data pipelines. DevOps & MLOps: Knowledge of Infrastructure as Code (Terraform), MLOps principles, and containerization (Docker More ❯
Employment Type: Permanent, Work From Home
Salary: £70,000
Posted:

Software Engineer (Data & Infrastructure)

London, United Kingdom
Hybrid / WFH Options
Modo Energy Limited
a flexible, evolving environment. Ability to adapt to a flexible, evolving environment. Some experience or desire to learn: AWS cloud services. Infrastructure as Code (Terraform) Python web frameworks (Django, FastAPI, Flask) Data pipeline development (Batch and Stream Processing) Data modeling and Data Lakehouse concepts. CI/CD pipelines. Microservices architecture. Hybrid Work Environment : This role is hybrid, with time split More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Equities Quant Platform Engineering Lead - Python (Technology) - VP

London, United Kingdom
Hybrid / WFH Options
Citigroup Inc
Skills and Experience required Extensive background in delivering production-grade, data-centric applications for quantitative trading and analytics, with demonstrated expertise in: The python data engineering stack (Polars, Parquet, FastAPI, Jupyter, Airflow, Streamlit, Ray) High-performance data stores and query engines (Starburst, Snowflake) Real-time streaming analytics technologies (Kafka, Flink) Cloud container technologies (AWS, Azure, GCP, Docker, Kubernetes) Proven success More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Generative AI Lead

London, United Kingdom
Hybrid / WFH Options
Motorway
evolving technologies. Self-sufficient ability to translate business needs into technical requirements and solution architecture for complex AI systems. Strong experience building and consuming API services in Python, using FastAPI or similar. Strong experience with LLM frameworks such as langchain, Pydantic-AI, Google ADK, OpenAI's Assistants, litellm, etc (it's not required to know them all), and an understanding More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Full Stack Engineer

London, United Kingdom
Hybrid / WFH Options
9fin
React via Typescript & Vite React query Jest, React Testing Library, Playwright Production workloads on AWS using ECS & lambda serverless functions & event based architectures. Typed Python for APIs & Data. Flask & FastAPI We Postgres! About You This role will be a great fit if you: You have the full stack software engineering experience to allow you to design and implement functionality and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Developer (React / Python) AI Start up!

City of London, London, United Kingdom
Hybrid / WFH Options
Robert Half
the stack - React on the front end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape our tech stack You have: Strong React & Python skills API & database experience A proactive, problem-solving mindset Ideally start-up or scale-up More ❯
Employment Type: Permanent, Work From Home
Posted:

Back End Developer - DV Cleared - Hybrid

London, United Kingdom
Hybrid / WFH Options
Experis - ManpowerGroup
Developing end-to-end features as part of an agile, collaborative team Building and deploying cloud-native, containerised applications using technologies such as AWS Lambda, Spring Boot, NodeJS, Python FastAPI, Oracle, PostgreSQL and MongoDB Contributing to DevSecOps delivery pipelines, using tooling such as Atlassian, Jenkins, GitLab, OWASP and AWS services Applying Site Reliability Engineering principles to ensure solutions are resilient More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Back End Developer - DV Cleared - Hybrid - Various Locations

London, United Kingdom
Hybrid / WFH Options
Experis
Developing end-to-end features as part of an agile, collaborative team Building and deploying cloud-native, containerised applications using technologies such as AWS Lambda, Spring Boot, NodeJS, Python FastAPI, Oracle, PostgreSQL and MongoDB Contributing to DevSecOps delivery pipelines, using tooling such as Atlassian, Jenkins, GitLab, OWASP and AWS services Applying Site Reliability Engineering principles to ensure solutions are resilient More ❯
Employment Type: Permanent
Posted:

Senior Software Engineer

London, United Kingdom
Hybrid / WFH Options
Hook
to diverse stakeholders The ability to pick up and use third party APIs and tools Experience working with Python on the backend with frameworks, such as Django, Flask or FastAPI Desirable: A good understanding of cloud technologies Salary: £80,000 - £105,000 (depending on experience) Benefits ️ 27 days holiday (option to buy and sell holiday) + bank holidays Generous stock More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
FastAPI
London
10th Percentile
£65,000
25th Percentile
£72,500
Median
£80,000
75th Percentile
£87,500
90th Percentile
£104,000