204,987+ Lead Backend Engineer Python Fastapi Cloud Jobs in London, UK — Local Employers Hiring June 2026

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Lead Backend Engineer Python, FastAPI & Cloud

Kallikor is seeking a key player to shape the future of their engineering teams in Greater London. This role involves leading a solution team, mentoring junior engineers, and driving technical innovation in their products. The ideal candidate has strong Python proficiency, experience with FastAPI and P ...

AI Backend Engineer (Python, FastAPI)

MOBOLISE is seeking a mid-level AI Engineer specialized in Python to join their Global:IQ team. This role involves building scalable backend systems and working on innovative AI and data solutions that enhance media delivery. The ideal candidate will have over 3 years of backend engineering experience, ...

Python AI Backend Engineer (FastAPI + Snowflake)

Global is seeking a mid-level AI Engineer specializing in Python for their Global:IQ team in Greater London. This role involves backend engineering to develop scalable systems integral to their new intelligence platform, which harnesses data science and AI methodologies. Successful candidates will requ ...

Backend Software Engineer Python FastAPI SQL

Backend Software Engineer / Developer (Python FastAPI SQL Databricks) London to £95kAre you a data centric Backend Software Engineer with strong Python, SQL and FastAPI skills?You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting ...

Backend Software Engineer Python FastAPI SQL

Backend Software Engineer / Developer (Python FastAPI SQL Databricks) London to £95kAre you a data centric Backend Software Engineer with strong Python, SQL and FastAPI skills?You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting ...

Senior Python Backend Engineer – Climate Tech (FastAPI)

Victrays is seeking a highly motivated Backend Python Engineer to scale our product and infrastructure. This role involves designing robust backend services and collaborating with engineers to deliver quality customer experiences. The ideal candidate has 4+ years of experience, strong knowledge of Pyth ...

Senior Backend Engineer — Python Microservices (FastAPI) London

A leading Insurtech company in London is seeking a motivated Senior Backend Engineer to build and scale their insurance platform. The role focuses on developing Python microservices using FastAPI and collaborating in a high-performing team. The ideal candidate has strong expertise in Python development, microser ...

Lead Python Developer – Cloud, FastAPI & Data Platforms

Oliver Bernard is seeking a Lead Python Developer for a leading InsurTech company in Central London. The role offers a salary of up to £110k with a bonus and benefits, and involves leading a small Engineering team to address complex challenges while establishing best practices. The successful candidate ...

Senior Python Backend Engineer – FastAPI, AWS, Hybrid (London)

Client Server is seeking a Senior Python Developer/Software Engineer to join their London office in a hands-on role. The successful candidate will build backend services and FastAPIs using Python, as well as integrate LLMs and payment systems. You'll collaborate with a talented team while enjoying flexibility ...

Backend Python Engineer — AI Driven, FastAPI, Hybrid London

Job title: Software Engineer Client: Not specified Salary: £120,000 per annum + Benefits Location: London (Hybrid / Flexible Working) The Role We’re supporting a rapidly growin ...

Python Cloud Engineer – AWS, Terraform, FastAPI | Hybrid UK

A premier technology recruitment agency is seeking an experienced Python Engineer for a contract role in the United Kingdom. This position entails designing cloud-native applications and optimizing CI/CD pipelines using Python, AWS, and Terraform. Candidates should have a proven track record of at least 5 years ...

Python Backend Engineer – Cloud Integrations (Azure)

A professional services firm based in London is seeking a Backend Developer to lead the integration of their finance system into a cloud-based platform. The ideal candidate will have strong skills in Azure Service Bus and Python development, as well as experience in building robust integrations. This contract ro ...

Python Backend Engineer – Cloud Integrations (Azure)

A professional services firm based in London is seeking a Backend Developer to lead the integration of their finance system into a cloud-based platform. The ideal candidate will have strong skills in Azure Service Bus and Python development, as well as experience in building robust integrations. This contract ro ...

ML Focused Python Developer | FastAPI, Cloud & RAG

AWTG Ltd. is seeking a skilled Python Developer based in London to join its team. The role involves developing and maintaining software applications using Python and FastAPI, implementing CI/CD pipelines, and deploying applications on cloud platforms like AWS and GCP. The ideal candidate has over 5 yea ...

Lead Backend Engineer, Python Microservices

Lead Engineer, Back End, Agentic intelligence London, UnitedKingdom Posted 12 months ago Tech stack ecosystem Backend Python Job Opportunity at Choreograph: Back-End Engineer Choreograph is seeking an experienced and forward-thinking Back-En ...

Lead Backend Engineer, Python Microservices

Lead Engineer, Back End, Agentic intelligenceLondon, UnitedKingdomPosted 12 months agoTech stackecosystem Backend PythonJob Opportunity at Choreograph: Back-End EngineerChoreograph is seeking an experienced and forward-thi ...

Backend Engineer (Python)

Description London, UK Hybrid (3 days in our Paddington HQ: Mon, Tue, Fri) Stack: Python, Flask, SQLAlchemy, MySQL, AWS (React on the frontend) In 2018 we set out to solve a problem millions of people faced: not just struggling with their skin, but struggling to navigate skincare at all. We combined dermatology, ...

Backend Engineer (Python)

London, UK · Hybrid (3 days in our Paddington HQ: Mon, Tue, Fri) · Stack: Python, Flask, SQLAlchemy, MySQL, AWS (React on the frontend) In 2018 we set out to solve a problem millions of people faced: not just struggling with their skin, but struggling to navigate skincare at all. We combined dermat ...

Backend Engineer (Python)

London, UK · Hybrid (3 days in our Paddington HQ: Mon, Tue, Fri) · Stack: Python, Flask, SQLAlchemy, MySQL, AWS (React on the frontend) In 2018 we set out to solve a problem millions of people faced: not just struggling with their skin, but struggling to navigate skincare at all. We combined dermat ...

Backend Engineer (Python)

London, UK Hybrid (3 days in our Paddington HQ: Mon, Tue, Fri) Stack: Python, Flask, SQLAlchemy, MySQL, AWS (React on the frontend) In 2018 we set out to solve a problem millions of people faced: not just struggling with their skin, but struggling to navigate skincare at all. We combined dermatolog ...

Backend Engineer (Python)

London, UK · Hybrid (3 days in our Paddington HQ: Mon, Tue, Fri) · Stack: Python, Flask, SQLAlchemy, MySQL, AWS (React on the frontend)In 2018 we set out to solve a problem millions of people faced: not just struggling with their skin, but struggling to navigate skincare at all. We combined dermatology ...

Backend Engineer (Python)

London, UK · Hybrid (3 days in our Paddington HQ: Mon, Tue, Fri) · Stack: Python, Flask, SQLAlchemy, MySQL, AWS (React on the frontend)In 2018 we set out to solve a problem millions of people faced: not just struggling with their skin, but struggling to navigate skincare at all. We combined dermatology ...

Python Developer AWS FastAPI

Python Developer / Software Engineer / Developer Remote UK to £75kAre you a backend focused Python Developer?You could be progressing your career in as a hands-on Python Developer role as part of a friendly and supportive international team at a growing and hugely successful European car ...

Python Developer AWS FastAPI

Python Developer / Software Engineer / Developer Remote UK to £75kAre you a backend focused Python Developer?You could be progressing your career in as a hands-on Python Developer role as part of a friendly and supportive international team at a growing and hugely successful European car ...

Senior Python Engineer (Public API & FastAPI)

Senior Python Engineer – Public API Compensation: Competitive + Stock-Options/BSPCE (local currency) Location: Remote with monthly Paris office visits (fully reimbursed). We can hire people already based in selected countries only: France, Germany, Ireland, Italy, Portugal, Spain, UK ...

Senior Software Engineer Python GCP FastAPI

Senior Software Engineer / Developer (Python GCP FastAPI) London / WFH to £100kOpportunity for a skilled Software Engineer with strong backend Python skills to join a well-funded and profitable FinTech start-up.As a Senior Software Engineer you'll join a small, talented tech team to deliv ...

Senior Software Engineer Python GCP FastAPI

Senior Software Engineer / Developer (Python GCP FastAPI) London / WFH to £100kOpportunity for a skilled Software Engineer with strong backend Python skills to join a well-funded and profitable FinTech start-up.As a Senior Software Engineer you'll join a small, talented tech team to deliv ...

Senior Python Engineer — AI‑Augmented Cloud Backend

A leading European cloud service provider is seeking a Senior Python Developer to drive innovations in AI-augmented coding. The candidate will design and maintain backend services using Django or FastAPI, leverage AI tools for code improvements, and promote best practices in software development. Ideal applicant ...

Senior Python Backend Engineer: APIs, Cloud & Data

A technology consulting firm is looking for a Senior Python developer to enhance applications for investor portfolio management. You will collaborate with business analysts and developers, focusing on designing production APIs, improving system efficiency, and employing cloud-native solutions. The ideal candidat ...

Senior Backend Engineer — Architect Scalable Microservices

A leading global marketing firm in Greater London seeks a Senior Backend Engineer to design and develop backend systems across its platform. In this hands-on role, you'll implement scalable and secure services, ensuring high engineering standards. Ideal candidates will have expertise in Python, FastAPI, and clou ...

Lead Python Backend Engineer Processing & Observability

A leading technology firm is seeking a skilled software developer to enhance their data orchestration pipeline using Python. Join the Data Intelligence Team to work on AI features, develop observability for ML applications, and mentor peers. The role offers remote flexibility, a supportive work environment, and ...

Lead Backend Engineer (Distributed Systems Python)

Requirements Extensive software engineering experience using Python within production environments Experience designing and developing scalable backend or distributed systems Strong understanding of software architecture, OO principles, and integration patterns <li ...

Lead Python Backend Engineer – Distributed Systems

Partnerize is hiring a Lead Python Engineer to design and enhance scalable backend systems. This hands-on technical leadership role requires collaboration with Product, Engineering, and Data teams to deliver reliable solutions in a modern distributed environment. The ideal candidate should have extensi ...

Python AI Engineer PropTech London (onsite)

Job Description Lead Python Engineer | AI, Python, FastAPI, Django, Microservices, APIs, Cloud | London | up to £130k + EquityBuild AI-powered systems that automate real-world workflows at scale.This is an opportunity to join a fast-growing AI startup building ...

Python AI Engineer PropTech London (onsite)

Job Description Lead Python Engineer | AI, Python, FastAPI, Django, Microservices, APIs, Cloud | London | up to £130k + EquityBuild AI-powered systems that automate real-world workflows at scale.This is an opportunity to join a fast-growing AI startup building ...

Senior Backend Engineer Real Time Sports AI (Python)

Searchability® is seeking a Backend Engineer (Python/FastAPI) to join a fast-growing sports AI company in London. This hybrid role offers the chance to build real-time, data-rich applications for the sports industry, allowing engineers to have genuine ownership and impact. As a Backend Engineer, you wi ...

Senior Python Software Engineer

Senior+ Software Engineer - Python | FastAPI | AWS £90,000-120,000 + Bonus and Stock Flexible benefits | 90 day work-from-anywhere perk Remote first or hybrid (London) InsurTech | high traffic, scalable, event-driven, microservices development We’ve p ...

Senior Python Software Engineer

Senior+ Software Engineer - Python | FastAPI | AWS £90,000-120,000 + Bonus and Stock Flexible benefits | 90 day work-from-anywhere perk Remote first or hybrid (London) InsurTech | high traffic, scalable, event-driven, microservices development We’ve p ...

Python Developer FastAPI SQL Databricks

Python Developer / Backend Software Engineer (FastAPI SQL Databricks) London to £95kAre you a data centric Python Developer with strong SQL and FastAPI skills?You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provid ...

Python Developer FastAPI SQL Databricks

Python Developer / Backend Software Engineer (FastAPI SQL Databricks) London to £95kAre you a data centric Python Developer with strong SQL and FastAPI skills?You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provid ...

Backend Software Engineer (Python)

Interested in being part of a growing, specialised team developing an award-winning SaaS analytics platform used to assess over £200bn of non-life insurance business? This is a mid to senior level software engineering role focused heavily on production-grade Python development. This ...

Backend Software Engineer (Python)

Interested in being part of a growing, specialised team developing an award-winning SaaS analytics platform used to assess over £200bn of non-life insurance business? This is a mid to senior level software engineering role focused heavily on production-grade Python development. This ...

Backend Software Engineer (Python)

Interested in being part of a growing, specialised team developing an award-winning SaaS analytics platform used to assess over £200bn of non-life insurance business? This is a mid to senior level software engineering role focused heavily on production-grade Python development. This ...

Backend Software Engineer (Python)

Interested in being part of a growing, specialised team developing an award-winning SaaS analytics platform used to assess over £200bn of non-life insurance business? This is a mid to senior level software engineering role focused heavily on production-grade Python development. This ...

Backend Software Engineer (Python)

Join a team developing a SaaS platform used to assess over £200bn of non-life insurance business. This is a mid-level software engineering role focused on production-grade Python development rather than research or one-off analysis. Hybrid role based in London (2 days per week in office) You will w ...

Backend Software Engineer (Python)

About Signal Ocean: Signal Ocean is the technology arm of the Signal Group, providing market-leading advanced machine learning and AI-driven intelligence to shipping and commodities professionals worldwide. Our platform delivers tailored, exclusive insights through web, mobile, and API interfaces ...

Backend Software Engineer (Python)

Interested in being part of a growing, specialised team developing an award-winning SaaS analytics platform used to assess over £200bn of non-life insurance business? This is a mid to senior level software engineering role focused heavily on production-grade Python development. This ...

Backend Software Engineer – Python

A fantastic opportunity has opened for an experienced Backend Engineer to join an innovative technology company in London developing the next generation of intelligent software platforms. This Python focused Software Engineer role offers the chance to work on complex, large-scale systems that connec ...

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