FastAPI Jobs in the City of London

1 to 25 of 188 FastAPI Jobs in the City of London

Lead Full-Stack Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Reed Technology
record in leading small, high-performing engineering teams in fast-paced environments. Deep expertise in full-stack development, including: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Python (Django, Flask, or FastAPI) PostgreSQL Experience with building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. Hands-on experience with cloud platforms (AWS, Azure, or GCP). More ❯
Employment Type: Permanent, Work From Home
Posted:

Forward Deployed Software Engineer | FinTech Start Up

City of London, London, United Kingdom
Oho Group Ltd
clean, maintainable code, and collaborating closely with product and design teams to deliver elegant, high-impact solutions. What you’ll be doing: Developing high-quality backend services in Python (FastAPI, Django or Flask). Building and maintaining front-end components in TypeScript (React or Next.js). Designing RESTful and GraphQL APIs. Writing clean, testable code with CI/CD pipelines. More ❯
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Development/AI Manager

City of London, London, United Kingdom
McCabe & Barton
using Python or similar languages Full-Stack Development Solid software engineering background with proficiency in Python, JavaScript/TypeScript, Java, or Go Experience with modern frameworks (React, Node.js, Django, FastAPI) Knowledge of microservices architecture, API design (REST, GraphQL) Experience with containerization (Docker, Kubernetes) and cloud-native development patterns DevOps & SRE Practices Experience implementing CI/CD pipelines and DevOps methodologies More ❯
Employment Type: Permanent
Posted:

Senior Python Engineer

City of London, London, United Kingdom
Experis UK
Requirements: Strong academic foundation in Computer Science, Engineering, or related discipline. 3+ years of professional experience in backend or software engineering. Deep expertise in Python and frameworks such as FastAPI, Flask, or Django. Proven experience building and scaling APIs in cloud environments (GCP, AWS, or Azure). Strong understanding of version control, CI/CD workflows, and containerised development. Excellent More ❯
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Senior Python Engineer

london (city of london), south east england, united kingdom
Experis UK
Requirements: Strong academic foundation in Computer Science, Engineering, or related discipline. 3+ years of professional experience in backend or software engineering. Deep expertise in Python and frameworks such as FastAPI, Flask, or Django. Proven experience building and scaling APIs in cloud environments (GCP, AWS, or Azure). Strong understanding of version control, CI/CD workflows, and containerised development. Excellent More ❯
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GenAI Python Developer x4

City of London, London, United Kingdom
Hybrid / WFH Options
EMBS Technology
secret management, networking, and model access governance Bonus Points For: Kong API Gateway, Kong Mesh, Flux CD AWS stack: EC2, EKS, S3, SQS, DynamoDB, Bedrock RESTful API development with FastAPI, microservices, Terraform, GitOps workflows Prompt evaluation tools such as Promptfoo SQL and NoSQL experience: MySQL, PostgreSQL, MongoDB, Cassandra Exposure to RAG patterns and vector search technologies What Success Looks Like More ❯
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GenAI Python Developer x4

london (city of london), south east england, united kingdom
Hybrid / WFH Options
EMBS Technology
secret management, networking, and model access governance Bonus Points For: Kong API Gateway, Kong Mesh, Flux CD AWS stack: EC2, EKS, S3, SQS, DynamoDB, Bedrock RESTful API development with FastAPI, microservices, Terraform, GitOps workflows Prompt evaluation tools such as Promptfoo SQL and NoSQL experience: MySQL, PostgreSQL, MongoDB, Cassandra Exposure to RAG patterns and vector search technologies What Success Looks Like More ❯
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Python Developers Needed - DV/SC Cleared - Amazing Company

City of London, London, United Kingdom
Hybrid / WFH Options
Areti Group | B Corp™
Developing within a microservices architecture Solving complex problems in data flow, latency, and scale Contributing to a culture of fast iteration, clean code, and continuous learning 🧰 Tech Stack: Python (FastAPI, Flask) TypeScript, Node.js, React PostgreSQL, Redis, Kafka Docker, Kubernetes, AWS CI/CD with GitHub Actions, Terraform 💼 What You’ll Bring: Experience in working on Defence and Government projects Ideally More ❯
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Python Developers Needed - DV/SC Cleared - Amazing Company

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Areti Group | B Corp™
Developing within a microservices architecture Solving complex problems in data flow, latency, and scale Contributing to a culture of fast iteration, clean code, and continuous learning 🧰 Tech Stack: Python (FastAPI, Flask) TypeScript, Node.js, React PostgreSQL, Redis, Kafka Docker, Kubernetes, AWS CI/CD with GitHub Actions, Terraform 💼 What You’ll Bring: Experience in working on Defence and Government projects Ideally More ❯
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Senior Data Scientists / Analysts – SC/DV Cleared — Multiple Openings 🌳

City of London, London, United Kingdom
Hybrid / WFH Options
Areti Group | B Corp™
toolkit you’ll use 🌳 Data Science & Engineering: Python (NumPy, Pandas, scikit-learn, PyTorch/TensorFlow), SQL, NoSQL, Spark, big data ecosystems Visualisation & APIs: REST/JSON, Postman, Flask/FastAPI, Power BI/Tableau, D3.js DevOps & Cloud: CI/CD, Docker, AWS (S3, Lambda, SageMaker), Kubernetes, Terraform/CDK ML Ops & Automation: MLFlow, feature stores, model monitoring, A/B More ❯
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Senior Data Scientists / Analysts – SC/DV Cleared — Multiple Openings 🌳

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Areti Group | B Corp™
toolkit you’ll use 🌳 Data Science & Engineering: Python (NumPy, Pandas, scikit-learn, PyTorch/TensorFlow), SQL, NoSQL, Spark, big data ecosystems Visualisation & APIs: REST/JSON, Postman, Flask/FastAPI, Power BI/Tableau, D3.js DevOps & Cloud: CI/CD, Docker, AWS (S3, Lambda, SageMaker), Kubernetes, Terraform/CDK ML Ops & Automation: MLFlow, feature stores, model monitoring, A/B More ❯
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Python Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Venture Up
development experience with React and modern JavaScript/TypeScript Demonstrated ability to build and maintain polished, responsive user interfaces Experience with REST APIs and modern web frameworks, such as FastAPI Practical experience with PostgreSQL or similar relational databases Proficiency with HTML5, CSS3, and modern frontend build tools Strong Linux and Git skills Desirable skills: AWS or cloud platform experience WebSocket More ❯
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Python Developer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Venture Up
development experience with React and modern JavaScript/TypeScript Demonstrated ability to build and maintain polished, responsive user interfaces Experience with REST APIs and modern web frameworks, such as FastAPI Practical experience with PostgreSQL or similar relational databases Proficiency with HTML5, CSS3, and modern frontend build tools Strong Linux and Git skills Desirable skills: AWS or cloud platform experience WebSocket More ❯
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Full Stack Engineer

City of London, London, United Kingdom
THRivve by intelletec
asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring scalability, performance, security, reliability and maintainability across the full stack Contributing to cloud infrastructure setup More ❯
Posted:

Full Stack Engineer

london (city of london), south east england, united kingdom
THRivve by intelletec
asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring scalability, performance, security, reliability and maintainability across the full stack Contributing to cloud infrastructure setup More ❯
Posted:

Senior Software Engineer (Python)

City of London, London, United Kingdom
Hybrid / WFH Options
Harnham
scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or Django REST Framework . Collaborating with data and platform engineers to integrate new features and optimise performance. Ensuring robust engineering practices including CI/CD, TDD, and secure development More ❯
Posted:

Senior Software Engineer (Python)

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Harnham
scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or Django REST Framework . Collaborating with data and platform engineers to integrate new features and optimise performance. Ensuring robust engineering practices including CI/CD, TDD, and secure development More ❯
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Senior Gen AI Engineer

City of London, London, United Kingdom
HCLTech
applications on the Google Cloud Platform (GCP), with a strong focus on Vertex AI services. Build Scalable Backend Services: Develop secure, high-performance APIs and microservices using Python and FastAPI to integrate agentic systems into the wider enterprise architecture. Technical Skillset Requirements Core AI & Frameworks: Agentic Frameworks: Expert-level knowledge of agentic frameworks such as LangChain, LangGraph, Google Agent Development More ❯
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Lead Python Developer, GCP Python Engineer

City of London, London, United Kingdom
Experis UK
Promote engineering best practices across the team and inspire your peers to improve their skills and capabilities. Required Skills: Proven experience designing and building REST APIs (ideally with Flask, FastAPI, or similar frameworks). Expertise in designing architectures that meet scalability, reliability, and security goals. Strong problem-solving skills, particularly in product development. Solid understanding of backend best practices, coding More ❯
Posted:

Lead Python Developer, GCP Python Engineer

london (city of london), south east england, united kingdom
Experis UK
Promote engineering best practices across the team and inspire your peers to improve their skills and capabilities. Required Skills: Proven experience designing and building REST APIs (ideally with Flask, FastAPI, or similar frameworks). Expertise in designing architectures that meet scalability, reliability, and security goals. Strong problem-solving skills, particularly in product development. Solid understanding of backend best practices, coding More ❯
Posted:

Full-Stack React Developer

City of London, London, England, United Kingdom
Eligo Recruitment
engineering workflows Shape technical strategy and contribute to long-term system improvements Drive code quality, observability, and resiliency across services Tech Stack Frontend : React, JavaScript/TypeScript Backend : Python (FastAPI, Flask, or Django), ideally with geospatial data processing Cloud : AWS (Lambda, ECS, RDS, S3, API Gateway, etc.) DevOps : Docker, CI/CD pipelines, Git Orchestration : Airflow or similar tools Eligo More ❯
Employment Type: Full-Time
Salary: £90,000 per annum
Posted:

GEN AI/ML Engineer

City of London, London, United Kingdom
Capgemini
such as Terraform, Ansible, and CI/CD pipelines. Understanding of data privacy, compliance, and security in AI systems." Design, develop, and deploy containerized agent-based applications using Python, FastApi (programming experience in .NET, Java, or similar is desirable). ABOUT CAPGEMINI Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a More ❯
Posted:

GEN AI/ML Engineer

london (city of london), south east england, united kingdom
Capgemini
such as Terraform, Ansible, and CI/CD pipelines. Understanding of data privacy, compliance, and security in AI systems." Design, develop, and deploy containerized agent-based applications using Python, FastApi (programming experience in .NET, Java, or similar is desirable). ABOUT CAPGEMINI Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a More ❯
Posted:

Full Stack Engineer (Python and React)

City of London, London, United Kingdom
Hybrid / WFH Options
Harnham
ideas into production. Ensuring code quality through testing, documentation, and peer review. 🎯 What we’re looking for: 4+ years’ experience building enterprise-grade applications. Strong backend skills in Python (FastAPI, Flask) with experience designing APIs and integrating databases (e.g. GraphDB, CosmosDB, SQL). Solid frontend development skills in React, TypeScript/JavaScript, HTML, and CSS . Experience developing scalable, cloud More ❯
Posted:

Full Stack Engineer (Python and React)

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Harnham
ideas into production. Ensuring code quality through testing, documentation, and peer review. 🎯 What we’re looking for: 4+ years’ experience building enterprise-grade applications. Strong backend skills in Python (FastAPI, Flask) with experience designing APIs and integrating databases (e.g. GraphDB, CosmosDB, SQL). Solid frontend development skills in React, TypeScript/JavaScript, HTML, and CSS . Experience developing scalable, cloud More ❯
Posted:
FastAPI
the City of London
10th Percentile
£85,000
25th Percentile
£110,000
Median
£140,000
75th Percentile
£150,000