126 to 150 of 159 Permanent FastAPI Jobs

Senior Software Engineer (AI HealthTech) - Up to £100k + Bonus + Equity - FULLY REMOTE

Hiring Organisation
Hunter Bond
Location
Brighton, East Sussex, UK
Employment Type
Full-time
systems that power healthcare innovation at scale. Full remote flexibility across the UK, total ownership of greenfield projects, modern tech stack (Python/FastAPI/Cloud), and a culture that rewards curiosity, autonomy, and clean engineering. An AI HealthTech company is expanding its high-calibre engineering team and looking … designing, building, and scaling complex systems that solve real problems in healthcare. Role Design and build production-grade backend systems using Python and FastAPI Develop distributed, high-performance services and APIs for AI-driven platforms Contribute to architecture decisions, scalability planning, and system optimisation Implement best practices in testing ...

Senior Software Engineer (AI HealthTech) - Up to £100k + Bonus + Equity - FULLY REMOTE

Hiring Organisation
Hunter Bond
Location
Stockport, Greater Manchester, UK
Employment Type
Full-time
systems that power healthcare innovation at scale. Full remote flexibility across the UK, total ownership of greenfield projects, modern tech stack (Python/FastAPI/Cloud), and a culture that rewards curiosity, autonomy, and clean engineering. An AI HealthTech company is expanding its high-calibre engineering team and looking … designing, building, and scaling complex systems that solve real problems in healthcare. Role Design and build production-grade backend systems using Python and FastAPI Develop distributed, high-performance services and APIs for AI-driven platforms Contribute to architecture decisions, scalability planning, and system optimisation Implement best practices in testing ...

Senior Software Engineer (AI HealthTech) - Up to £100k + Bonus + Equity - FULLY REMOTE

Hiring Organisation
Hunter Bond
Location
Wakefield, West Yorkshire, UK
Employment Type
Full-time
systems that power healthcare innovation at scale. Full remote flexibility across the UK, total ownership of greenfield projects, modern tech stack (Python/FastAPI/Cloud), and a culture that rewards curiosity, autonomy, and clean engineering. An AI HealthTech company is expanding its high-calibre engineering team and looking … designing, building, and scaling complex systems that solve real problems in healthcare. Role Design and build production-grade backend systems using Python and FastAPI Develop distributed, high-performance services and APIs for AI-driven platforms Contribute to architecture decisions, scalability planning, and system optimisation Implement best practices in testing ...

Senior Software Engineer (AI HealthTech) - Up to £100k + Bonus + Equity - FULLY REMOTE

Hiring Organisation
Hunter Bond
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
systems that power healthcare innovation at scale. Full remote flexibility across the UK, total ownership of greenfield projects, modern tech stack (Python/FastAPI/Cloud), and a culture that rewards curiosity, autonomy, and clean engineering. An AI HealthTech company is expanding its high-calibre engineering team and looking … designing, building, and scaling complex systems that solve real problems in healthcare. Role Design and build production-grade backend systems using Python and FastAPI Develop distributed, high-performance services and APIs for AI-driven platforms Contribute to architecture decisions, scalability planning, and system optimisation Implement best practices in testing ...

Senior Software Engineer

Hiring Organisation
Tiro Partners
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £100000/annum
Software Engineer - Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 Company: VC back Startup About the Role: This startup is building a cutting-edge platform to transform how engineers design physical … Google across Software Engineering, Data Science, Theoretical Physics, and Computational Geometry. Opportunities: Frontend or Backend Tech Stack within the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend ...

Senior Software Engineer

Hiring Organisation
Tiro Partners Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £100,000 per annum
Software Engineer - Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 Company: VC back Startup About the Role: This startup is building a cutting-edge platform to transform how engineers design physical … Google across Software Engineering, Data Science, Theoretical Physics, and Computational Geometry. Opportunities: Frontend or Backend Tech Stack within the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend ...

Senior Backend Developer

Hiring Organisation
Fruition Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
£95,000
play a central role in building and scaling the systems that power their insurance platform. You'll focus on developing Python-based cloud microservices (FastAPI preferred), contributing to the architecture of resilient, high-performance systems, and collaborating with a cross-functional team to deliver features at pace. This … influence technical direction, improve processes, and grow your expertise in distributed systems. What will I be doing: Design, develop, and maintain Python microservices (FastAPI) running in production. Take ownership of features end-to-end, from design to deployment and monitoring. Write high-quality, testable code with a focus on scalability ...

Senior Backend Developer

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
seeking a Senior Backend Engineer to build highly scalable and maintainable services using modern technologies.. What You'll Do: Develop backend services in Python (FastAPI/Django) Work on microservice architecture, data processing, and customer experience Collaborate across Product, Design, and Engineering teams Contribute to code reviews, pair programming … Agile improvements Tech Stack: Python, FastAPI, Django, AWS, Kubernetes, Helm, Terraform, PostgreSQL, Opensearch What In it for you? Competitive salary + performance bonus 28 days holiday + bank holidays + birthday off Private medical insurance, L&D opportunities, mental health support Hybrid working and a vibrant office culture ...

Senior Engineer Data, AI & Analytics (m/w/d) - Hybrid

Hiring Organisation
Purpose Green
Location
Charlottenburg, Berlin, Germany
Employment Type
Permanent
Salary
EUR 50,000 - 75,000 Annual
e.g., Census, Hightouch) or building custom syncs to HubSpot, Slack, APIs Responsibilities: AI & Application Engineering • Architect and deploy AI-powered systems into production (e.g., FastAPI apps with RAG architecture using OpenSearch and Langfuse) • Optimize agentic workflows, prompt & embedding pipelines, and retrieval quality through experimentation and tracing • Extend LLM capabilities with … high-performing Data & AI team. Help hire, mentor, and establish best practices as we grow Technologies: AI AWS Architect Azure Cloud ETL FastAPI GCP IAM Support LLM Looker Power BI Python SQL Slack Terraform dbt More: Welcome We're looking for a senior-level engineer to take full ownership ...

Senior Python/AI Engineer

Hiring Organisation
CompuStaff
Location
Donegal, Donegal County, Republic of Ireland
Employment Type
Permanent
office. Why this role Real impact: Ship AI features that directly influence credit research and investment decisions. Modern stack: AWS Bedrock, Python/FastAPI, RAG/GraphRAG, vector databases, and strong automated testing. Engineering culture: Clean code, measurable quality, and shipping to production—regularly. What you’ll do Design … deliver advanced AI applications on AWS Bedrock (including Converse API interfaces). Build high-performance Python/FastAPI services with comprehensive automated tests. Implement RAG/GraphRAG architectures using knowledge graphs and vector DBs (e.g., OpenSearch , Neptune Analytics ). Create scalable API endpoints for model serving; optimize latency, throughput ...

Senior Software Engineer

Hiring Organisation
SOURCE.ME
Location
Netherlands
Employment Type
Permanent
Salary
EUR Annual
Python • FastAPI • Vue.js • GCP • Early Employee €85k-€100k + Equity Amsterdam Hybrid I'm supporting an early but already shipping payments startup that's live in production, routing real transactions, and gearing up for their seed round. They're backed by a serious Dutch investor who's fully behind … being built You'll help shape the next 10 hires and the engineering DNA Tech you'll be working with Backend: Python + FastAPI Frontend: Vue.js (React/Angular folks welcome if open to switching) Infra: GCP, Terraform, CI/CD Domain: payments routing, merchant dashboards, reliability, data flows What ...

Full Stack Developer

Hiring Organisation
Reed Technology
Location
Walsall, West Midlands, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£45000 - £55000/annum
make a real impact in the industry. What you'll do as the Full Stack Developer: Design and develop robust backend systems using Python (FastAPI or Flask). Build and integrate RESTful and GraphQL APIs . Develop React-based front-end components for a seamless user experience. Architect and deploy … Debug and troubleshoot issues to keep things running smoothly. What my client are looking for in their next Full Stack Developer: Proven Python experience (FastAPI or Flask preferred). React expertise -this is essential. Strong experience with AWS cloud services (EC2, Lambda, S3, DynamoDB, etc.). Solid understanding ...

Software Develope

Hiring Organisation
Robotics technology LLC
Location
Mountain View, California, United States
Employment Type
Any
Salary
USD Annual
Experience in Python Good understanding of Data Structures and Algorithms, Networking and Operating Systems. Experience with XML, REST, JSON. Understanding of software development lifecycle processes. Experience with Scrum, Agile and iterative approaches is a plus. ...

Fullstack Engineer - Internal Tooling (Data Infra)

Hiring Organisation
Luma AI
Location
Leeds, UK
Employment Type
Full-time
/UX designs to shipping polished, intuitive tools. Full Stack Contribution: While primarily frontend focused, you will occasionally contribute to the Python/FastAPI backends that power our internal services. Iterate at Speed: Operate with short feedback loops, taking loose requirements from a researcher and turning them into working tools … asynchronously and can bridge the gap between complex technical requirements and user interface design. What Sets You Apart (Bonus Points) Some backend experience (Python, FastAPI, MongoDB, PostgreSQL). Familiarity with AI coding tools like Cursor or Claude Code to speed up your workflow. Experience with component libraries like shadcn/ ...

Fullstack Engineer - Internal Tooling (Data Infra)

Hiring Organisation
Luma AI
Location
Bristol, UK
Employment Type
Full-time
/UX designs to shipping polished, intuitive tools. Full Stack Contribution: While primarily frontend focused, you will occasionally contribute to the Python/FastAPI backends that power our internal services. Iterate at Speed: Operate with short feedback loops, taking loose requirements from a researcher and turning them into working tools … asynchronously and can bridge the gap between complex technical requirements and user interface design. What Sets You Apart (Bonus Points) Some backend experience (Python, FastAPI, MongoDB, PostgreSQL). Familiarity with AI coding tools like Cursor or Claude Code to speed up your workflow. Experience with component libraries like shadcn/ ...

Fullstack Engineer - Internal Tooling (Data Infra)

Hiring Organisation
Luma AI
Location
Coventry, UK
Employment Type
Full-time
/UX designs to shipping polished, intuitive tools. Full Stack Contribution: While primarily frontend focused, you will occasionally contribute to the Python/FastAPI backends that power our internal services. Iterate at Speed: Operate with short feedback loops, taking loose requirements from a researcher and turning them into working tools … asynchronously and can bridge the gap between complex technical requirements and user interface design. What Sets You Apart (Bonus Points) Some backend experience (Python, FastAPI, MongoDB, PostgreSQL). Familiarity with AI coding tools like Cursor or Claude Code to speed up your workflow. Experience with component libraries like shadcn/ ...

Fullstack Engineer - Internal Tooling (Data Infra)

Hiring Organisation
Luma AI
Location
Southampton, UK
Employment Type
Full-time
/UX designs to shipping polished, intuitive tools. Full Stack Contribution: While primarily frontend focused, you will occasionally contribute to the Python/FastAPI backends that power our internal services. Iterate at Speed: Operate with short feedback loops, taking loose requirements from a researcher and turning them into working tools … asynchronously and can bridge the gap between complex technical requirements and user interface design. What Sets You Apart (Bonus Points) Some backend experience (Python, FastAPI, MongoDB, PostgreSQL). Familiarity with AI coding tools like Cursor or Claude Code to speed up your workflow. Experience with component libraries like shadcn/ ...

Fullstack Engineer - Internal Tooling (Data Infra)

Hiring Organisation
Luma AI
Location
Cambridge, Cambridgeshire, UK
Employment Type
Full-time
/UX designs to shipping polished, intuitive tools. Full Stack Contribution: While primarily frontend focused, you will occasionally contribute to the Python/FastAPI backends that power our internal services. Iterate at Speed: Operate with short feedback loops, taking loose requirements from a researcher and turning them into working tools … asynchronously and can bridge the gap between complex technical requirements and user interface design. What Sets You Apart (Bonus Points) Some backend experience (Python, FastAPI, MongoDB, PostgreSQL). Familiarity with AI coding tools like Cursor or Claude Code to speed up your workflow. Experience with component libraries like shadcn/ ...

Fullstack Engineer - Internal Tooling (Data Infra)

Hiring Organisation
Luma AI
Location
Reading, Berkshire, UK
Employment Type
Full-time
/UX designs to shipping polished, intuitive tools. Full Stack Contribution: While primarily frontend focused, you will occasionally contribute to the Python/FastAPI backends that power our internal services. Iterate at Speed: Operate with short feedback loops, taking loose requirements from a researcher and turning them into working tools … asynchronously and can bridge the gap between complex technical requirements and user interface design. What Sets You Apart (Bonus Points) Some backend experience (Python, FastAPI, MongoDB, PostgreSQL). Familiarity with AI coding tools like Cursor or Claude Code to speed up your workflow. Experience with component libraries like shadcn/ ...

Fullstack Engineer - Internal Tooling (Data Infra)

Hiring Organisation
Luma AI
Location
Plymouth, Devon, UK
Employment Type
Full-time
/UX designs to shipping polished, intuitive tools. Full Stack Contribution: While primarily frontend focused, you will occasionally contribute to the Python/FastAPI backends that power our internal services. Iterate at Speed: Operate with short feedback loops, taking loose requirements from a researcher and turning them into working tools … asynchronously and can bridge the gap between complex technical requirements and user interface design. What Sets You Apart (Bonus Points) Some backend experience (Python, FastAPI, MongoDB, PostgreSQL). Familiarity with AI coding tools like Cursor or Claude Code to speed up your workflow. Experience with component libraries like shadcn/ ...

Fullstack Engineer - Internal Tooling (Data Infra)

Hiring Organisation
Luma AI
Location
South London, UK
Employment Type
Full-time
/UX designs to shipping polished, intuitive tools. Full Stack Contribution: While primarily frontend focused, you will occasionally contribute to the Python/FastAPI backends that power our internal services. Iterate at Speed: Operate with short feedback loops, taking loose requirements from a researcher and turning them into working tools … asynchronously and can bridge the gap between complex technical requirements and user interface design. What Sets You Apart (Bonus Points) Some backend experience (Python, FastAPI, MongoDB, PostgreSQL). Familiarity with AI coding tools like Cursor or Claude Code to speed up your workflow. Experience with component libraries like shadcn/ ...

Fullstack Engineer - Internal Tooling (Data Infra)

Hiring Organisation
Luma AI
Location
Guildford, Surrey, UK
Employment Type
Full-time
/UX designs to shipping polished, intuitive tools. Full Stack Contribution: While primarily frontend focused, you will occasionally contribute to the Python/FastAPI backends that power our internal services. Iterate at Speed: Operate with short feedback loops, taking loose requirements from a researcher and turning them into working tools … asynchronously and can bridge the gap between complex technical requirements and user interface design. What Sets You Apart (Bonus Points) Some backend experience (Python, FastAPI, MongoDB, PostgreSQL). Familiarity with AI coding tools like Cursor or Claude Code to speed up your workflow. Experience with component libraries like shadcn/ ...

Fullstack Engineer - Internal Tooling (Data Infra)

Hiring Organisation
Luma AI
Location
Ipswich, Suffolk, UK
Employment Type
Full-time
/UX designs to shipping polished, intuitive tools. Full Stack Contribution: While primarily frontend focused, you will occasionally contribute to the Python/FastAPI backends that power our internal services. Iterate at Speed: Operate with short feedback loops, taking loose requirements from a researcher and turning them into working tools … asynchronously and can bridge the gap between complex technical requirements and user interface design. What Sets You Apart (Bonus Points) Some backend experience (Python, FastAPI, MongoDB, PostgreSQL). Familiarity with AI coding tools like Cursor or Claude Code to speed up your workflow. Experience with component libraries like shadcn/ ...

Fullstack Engineer - Internal Tooling (Data Infra)

Hiring Organisation
Luma AI
Location
Preston, Lancashire, UK
Employment Type
Full-time
/UX designs to shipping polished, intuitive tools. Full Stack Contribution: While primarily frontend focused, you will occasionally contribute to the Python/FastAPI backends that power our internal services. Iterate at Speed: Operate with short feedback loops, taking loose requirements from a researcher and turning them into working tools … asynchronously and can bridge the gap between complex technical requirements and user interface design. What Sets You Apart (Bonus Points) Some backend experience (Python, FastAPI, MongoDB, PostgreSQL). Familiarity with AI coding tools like Cursor or Claude Code to speed up your workflow. Experience with component libraries like shadcn/ ...

Fullstack Engineer - Internal Tooling (Data Infra)

Hiring Organisation
Luma AI
Location
Northampton, Northamptonshire, UK
Employment Type
Full-time
/UX designs to shipping polished, intuitive tools. Full Stack Contribution: While primarily frontend focused, you will occasionally contribute to the Python/FastAPI backends that power our internal services. Iterate at Speed: Operate with short feedback loops, taking loose requirements from a researcher and turning them into working tools … asynchronously and can bridge the gap between complex technical requirements and user interface design. What Sets You Apart (Bonus Points) Some backend experience (Python, FastAPI, MongoDB, PostgreSQL). Familiarity with AI coding tools like Cursor or Claude Code to speed up your workflow. Experience with component libraries like shadcn/ ...