Permanent FastAPI Jobs in England

1 to 25 of 241 Permanent FastAPI Jobs in England

GenAI Full Stack Developer (SC Cleared/Eligible)

London, United Kingdom
Sanderson Recruitment
contribute to infrastructure, and collaborate with multidisciplinary teams to deliver impactful digital experiences. Key Responsibilities Build GenAI applications using frameworks like LangChain, LangGraph, or CrewAI. Develop microservices using Python (FastAPI) or TypeScript (Express). Create front-end applications with React, TypeScript, and frameworks like Next.js or Vite. Integrate LLMs (e.g., OpenAI, Anthropic, Mistral) and vector databases (e.g., ChromaDB, Pinecone, PGVector More ❯
Employment Type: Permanent
Posted:

GenAI Full Stack Developer SC Cleared/Eligible

London, South East, England, United Kingdom
Sanderson
contribute to infrastructure, and collaborate with multidisciplinary teams to deliver impactful digital experiences. Key Responsibilities Build GenAI applications using frameworks like LangChain, LangGraph, or CrewAI. Develop microservices using Python (FastAPI) or TypeScript (Express). Create front-end applications with React, TypeScript, and frameworks like Next.js or Vite. Integrate LLMs (e.g., OpenAI, Anthropic, Mistral) and vector databases (e.g., ChromaDB, Pinecone, PGVector More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

AI Engineer

City of London, London, United Kingdom
Cerberus Capital Management
MLflow, Weights & Biases), model versioning, and performance monitoring. Experience collaborating with engineering teams to ensure scalable and maintainable deployment. Backend & service development: Experience building production-grade Python webservices (e.g., FastAPI, Flask), developing APIs, and integrating ML components into broader systems. Software engineering practices: Comfortable with testing, code reviews, CI/CD pipelines, and version control (Git, Azure DevOps) beyond the More ❯
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AI Engineer

London Area, United Kingdom
Cerberus Capital Management
MLflow, Weights & Biases), model versioning, and performance monitoring. Experience collaborating with engineering teams to ensure scalable and maintainable deployment. Backend & service development: Experience building production-grade Python webservices (e.g., FastAPI, Flask), developing APIs, and integrating ML components into broader systems. Software engineering practices: Comfortable with testing, code reviews, CI/CD pipelines, and version control (Git, Azure DevOps) beyond the More ❯
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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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Forward Deployed Software Engineer | FinTech Start Up

London Area, 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

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
Salary: GBP Annual
Posted:

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 Developer

Cambridge, England, United Kingdom
Hybrid/Remote Options
The ONE Group Ltd
on with Docker (development, testing, deployment) Familiarity with REST APIs and version control (Git) Able to work independently and take full ownership of features Nice to Have: Experience with FastAPI, Flask, or Django Knowledge of asyncio or asynchronous programming Familiarity with CI/CD and cloud environments (AWS/GCP) Working Model: Hybrid role – regular attendance required at Cambridge office More ❯
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Senior Python Engineer

London Area, 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

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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GenAI Python Developer

London, United Kingdom
Hybrid/Remote Options
EMBS Engineering
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 ❯
Employment Type: Permanent
Salary: £65000 - £75000/annum + Benefits
Posted:

GenAI Python Developer x4

London Area, United Kingdom
Hybrid/Remote 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

City of London, London, United Kingdom
Hybrid/Remote 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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Senior Software Engineer

Cambridge, England, United Kingdom
Hybrid/Remote Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Founding Engineer | Cambridge | £60,000-£75,000 + Equity | Tech4Good | Python | React | Azure | Hybrid Location: Cambridge, UK (Hybrid) Salary: £60,000-£75,000 + Equity Tech Stack: Backend: Python (FastAPI OR Django OR Flask) Frontend: JavaScript Cloud Systems: AWS Are you a Senior Engineer with a knack for building and implementing high quality software solutions for exciting, innovative projects? Do More ❯
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Python Developers Needed - DV/SC Cleared - Amazing Company

London Area, United Kingdom
Hybrid/Remote 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

City of London, London, United Kingdom
Hybrid/Remote 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 🌳

London Area, United Kingdom
Hybrid/Remote 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 🌳

City of London, London, United Kingdom
Hybrid/Remote 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 Full Stack Software Engineer (SaaS Platform) - Pathogen

Oxford, Oxfordshire, United Kingdom
Ellison Institute of Technology
and Experience Proven experience as a Full Stack Engineer in production applications. Strong skills in React or a similar Typescript front end framework. Proficiency in Python, with experience in FastAPI (or similar API frameworks), and SQL databases. Hands on experience with cloud platforms (AWS, GCP, or Oracle Cloud) and managed services. Experience with Docker, Kubernetes, CI/CD automation, and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Engineer

London Area, 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

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:

Senior Software Engineer (Python)

London Area, United Kingdom
Hybrid/Remote 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)

City of London, London, United Kingdom
Hybrid/Remote 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 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 ❯
Posted:
FastAPI
England
10th Percentile
£57,500
25th Percentile
£71,250
Median
£80,000
75th Percentile
£100,000
90th Percentile
£112,500