Python Software Developer Backend Jobs in UK

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Senior Software Engineer Health Tech (Hybrid, Python/API)

A recruitment firm in Cambridge is hiring a Senior Software Engineer to develop cutting-edge health technology. The role requires strong Python skills, particularly in API development. Responsibilities include writing scalable code and building robust APIs, while working in a collaborative culture that encourage ...

Lead Software Engineer: Python/Java for Equity Derivatives

TwinThread is seeking a Lead Software Engineer in Greater London to design and deliver technology solutions that drive innovation in the financial services industry. The ideal candidate will possess a Bachelor's Degree in Computer Science and strong proficiency in programming languages such as Python and Java. R ...

Senior Software Engineer (Python/React) – Tech for good

Senior Software Engineer (Python/React) – Tech for good Up to £85k 2-4 days p/month in London Senior Software Engineer (Python/React) – Would you like the opportunity to work for a climate technology company? This is an exciting opportunity for a Product focused Software Engineer to join ...

Lead Software Engineer Java / Python Public Cloud Engineering

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. The Cloud Engineering Acceleration team accelerates delivery of strategic public cloud platform solutions by providing agile, cross-functional engineering capability across Public ...

Mid Level Software Engineer (Python) RegTech 2026 UK

Suade is building world- leading regulatory technology aimed at preventing the next financial crisis. Our success is built on the ability of our engineers to work hand-in-hand with domain experts, translating concepts from finance and regulation into code. The RegTech Engine ...

Software Engineer Python (Remote in the United Kingdom)

About KnowBe4KnowBe4, the provider of the world's largest security awareness training and simulated phishing platform, is used by tens of thousands of organizations around the globe. KnowBe4 enables organizations to manage the ongoing problem of social engineering by helping them train employees ...

Senior Lead Software Engineering Python, Cloud, AI ML

. MorganChase is seeking a Senior Software Engineer with expertise in AWS and Python, and a passion for Machine Learning, to help engineer and deploy innovative ML solutions into production. You will join the Applied AI/ML Software Engineering team, collaborating with technology teams across the ...

Lead Python Software Engineer – Asset Management Data Platform

Join us to shape the future of data and analytics at JPMorgan Chase. You’ll design and deliver technology solutions that directly impact our Asset & Wealth Management business. Collaborate with talented colleagues in an inclusive, agile environment where your expertise and ideas are valued. We empower you to ...

Lead Software Engineer Applied AI/ML Python Engineer

Join the Applied Artificial Intelligence and Machine Learning team as a Lead Software Engineer within Corporate and Investment Banking.You will play a pivotal role in transforming the operations of the world's largest bank. You will collaborate with Data Scientists and Line of Business te ...

Lead Software Engineer Java / Python Public Cloud Engineering

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.The Cloud Engineering Acceleration team accelerates delivery of strategic public cloud platform solutions by providing agile, cross-functional engineering capability across Public Clou ...

Software Engineer (AWS, Python, C#/C++, CFD/FEA)

Software Engineer (AWS, Python, C#/C++, CFD/FEA)Oxford – 3-4 days per week in office.£45000 - £68000 + Package.- Must have aputing/STEM Degree (2:1 or higher).- Can work in their Oxford head office 3-4 days week.- Must have experience with AWS / Distributedputing an ...

Senior Embedded Software Engineer – C/C++, Python & SQLite

Java Script Works is searching for a Senior Embedded Software Engineer to join their team in Eastleigh, United Kingdom. This full-time role requires a Bachelor’s degree in engineering and extensive software development experience, particularly in C++. Familiarity with tools like Node.js, Python, and SQLite is de ...

Staff Platform Engineer – Platform Engineering (UK & Ireland)

Overview Fanatics Betting & Gaming (FBG) is seeking a Staff Platform Engineer – Platform Engineering (UK & Ireland) to join our Platform Engineering team based in the UK or Ireland. This position plays a critical role within the EMEA Platform Engineering organization, partnering closely w ...

Java/Kotlin Developer

Senior Software Developer (SC Cleared)Rate: 470 a day Inside IR35 Clearance Required: Active SC Clearance Contract Length: 3-month contract (scope for extension) Start Date: Early-to-mid June Location: Primarily remote with occasional onsite attendance (maximum once per month). Onsite loc ...

Senior C++ Developer Low Latency Learn Rust

Senior C++ Developer / Engineer (C++ Rust Low Latency Trading) London / WFH to £180k+ Are you a Senior C++ Developer to progress your career and transfer your skills to Rust? You could be joining a hugely profitable High Frequency Trading firm that specialise in crypto markets and ...

Senior Python Engineer AI Code Reviewer & Evaluator

Prolific is seeking a Senior Python Developer to join our Expert Network. The role involves evaluating AI-generated Python scripts, validating logical accuracy, and providing feedback on model performance. Candidates should hold a BSc or higher in Computer Science and have substantial experience as a software de ...

Quant Developer: Trading Systems & Research (Remote)

4,000+ Quantitative Developer Jobs in United States Quantitative Developer (C++ & Python) | New Team Build (Seattle) | Elite Quant Hedge Fund Trading/Quantitative Modeling | Analyst | New York Senior Quant Developer | Next gen quant research platform/new team build | Boston </ ...

iOS Developer Up to £120k + Bonus

4,000+ Quantitative Developer Jobs in United States Quantitative Developer (C++ & Python) | New Team Build (Seattle) | Elite Quant Hedge Fund Trading/Quantitative Modeling | Analyst | New York Senior Quant Developer | Next gen quant research platform/new team build | Boston </ ...

iOS Developer Up to £120k + Bonus

4,000+ Quantitative Developer Jobs in United States Quantitative Developer (C++ & Python) | New Team Build (Seattle) | Elite Quant Hedge Fund Trading/Quantitative Modeling | Analyst | New York Senior Quant Developer | Next gen quant research platform/new team build | Boston </ ...

Quant Developer: Trading Systems & Research (Remote)

4,000+ Quantitative Developer Jobs in United States Quantitative Developer (C++ & Python) | New Team Build (Seattle) | Elite Quant Hedge Fund Trading/Quantitative Modeling | Analyst | New York Senior Quant Developer | Next gen quant research platform/new team build | Boston </ ...

Platform Engineer AI Powered Developer Experience

UserTesting is seeking a qualified software engineer in Edinburgh to enhance their Developer Experience (DX) team. The role involves designing and delivering efficient CI/CD systems and developer tools, requiring over 5 years of software engineering experience and strong programming skills in Node.js, Python, or ...

VP Software Developer Trade Processing (Hybrid)

Lorien is seeking a Software Developer, Trade Processing - Vice President to manage the full development lifecycle. The ideal candidate will have over 8 years of Software Development experience with strong skills in Java and backend engineering. Responsibilities include risk management, ensuring clear communicat ...

Senior Full Stack Lead: Angular + .NET on AWS (Hybrid)

EPAM Systems is seeking a Senior/Lead Full Stack Developer to design, develop, and deliver high-quality software solutions. This role involves leading projects using Angular for frontend and .NET for backend. Candidates should have extensive experience in enterprise environments, with expertise in AWS and SQL. T ...

VP Software Developer Trade Processing (Hybrid)

Lorien is seeking a Software Developer, Trade Processing - Vice President to manage the full development lifecycle. The ideal candidate will have over 8 years of Software Development experience with strong skills in Java and backend engineering. Responsibilities include risk management, ensuring clear communicat ...

Senior Full Stack Lead: Angular + .NET on AWS (Hybrid)

EPAM Systems is seeking a Senior/Lead Full Stack Developer to design, develop, and deliver high-quality software solutions. This role involves leading projects using Angular for frontend and .NET for backend. Candidates should have extensive experience in enterprise environments, with expertise in AWS and SQL. T ...

VP Software Developer Trade Processing (Hybrid)

Lorien is seeking a Software Developer, Trade Processing - Vice President to manage the full development lifecycle. The ideal candidate will have over 8 years of Software Development experience with strong skills in Java and backend engineering. Responsibilities include risk management, ensuring clear communicat ...

Dev Ops Engineer Defence Must be local to Bristol

Key Responsibilities Operate as a cross‑functional engineer within an Agile team, specialising in software development.Design, develop, integrate, test, and deploy software components and solutions.Engage with clients or technical representatives to clari ...

Senior Software Engineer

Senior Software Engineer Are you a developer who loves building products, not just features? Do you thrive at the intersection of robust backend logic, intuitive frontend interfaces, and conversational AI? Are you excited to join a fast-growing, seed-funded st ...

Staff Backend Engineer, Regulatory & Data Systems

Visa is seeking a Staff Software Engineer for its Regulatory & Partner Reporting team in Greater London, United Kingdom. The role focuses on building reliable backend systems for regulatory reporting. Ideal candidates should possess strong backend engineering skills, particularly in Java or Python, alongside ext ...

Full Stack Developer

B2B SaaS | Pioneering Web Accessibility App | Angular, .Net, C#, ASP, SQL, OOO Programming, Python, API About EnableAllWe’re on a mission to make the web more accessible to people with disabilities and neurodiversities. Our AI-powered platform helps eCommerce businesse ...

Senior Software Engineer

Senior Python Engineer | Hybrid UK | £65,000-£70,000 + Shares Location: Ipswich, hybrid working Salary: Competitive + benefits + shares Tech stack: • Python (Django, FastAPI, Flask - any experience across those 3 beneficial) • Mi ...

Senior Python Engineer – Positive Social Impact

Job Description The Role As a Senior Python Engineer, you will work closely with engineering leadership to build and own the backend development of this new platform. Identifying bottlenecks and potential problems so that this platform is scalable and stable. You’ll work wit ...

Backend Engineer (£40,000) at London software studio and legal tech lab

Job Title Backend Engineer Salary £40,000 Company Description London-based software studio and research lab building proprietary legal-tech and production systems Job Description As the first backend hire at this high‑standard software studio, ...

Senior Software Engineer

(Python, NodeJS or TypeScript, with React and ideally some AI engineering) Summary This is an exciting team of smart and kind engineers -- and they index for both when hiring. They’re looking for a Senior Software Engineer who can ideally work up and down the stack; the technologies and l ...

Senior Software Engineer

(Python, NodeJS or TypeScript, with React and ideally some AI engineering) Summary This is an exciting team of smart and kind engineers -- and they index for both when hiring. They’re looking for a Senior Software Engineer who can ideally work up and down the stack; the technologies and l ...

Staff Backend Engineer in London Zego

Senior Software Engineer, Machine Learning Location: 108 E 16th Street, New York, NY 10003 Overview Focus on Python-based backend systems as the primary area of work. Provide support for Machine Learning initiatives and may collaborate with Scala and Mobile teams depending on inter ...

Senior Full Stack Engineer for BioSamples Platform

The European Bioinformatics Institute (EMBL-EBI) is seeking a Senior Full Stack Software Developer to work on the BioSamples team in the UK. This role involves designing and developing software systems for biological metadata handling, including backend services and user-facing applications. The position offers ...

Early Career AI Engineer — Hands on Startup Builder

Digital Gurus in Gloucester is looking for a proactive Graduate Software Developer to join their early-stage AI startup. You will support the development of AI-powered applications and backend services while collaborating with experienced engineers on real-world projects. Ideal candidates are recent graduates wi ...

Senior Backend Engineer, AI Studio Scale & Impact

NexGen Cloud is looking for a Senior Software Engineer to join the AI Studio team. You will design and build backend services, APIs, and user-facing features in a role that actively influences the platform's evolution. The ideal candidate will have strong experience in production backend systems, proficiency in ...

Senior Backend Engineer, AI Studio Scale & Impact

NexGen Cloud is looking for a Senior Software Engineer to join the AI Studio team. You will design and build backend services, APIs, and user-facing features in a role that actively influences the platform's evolution. The ideal candidate will have strong experience in production backend systems, proficiency in ...

Senior Python Engineer (Python + PowerShell)

As a Global Relay Senior Python Software Developer engineer you will be part of a small team of developers designing, developing and maintaining scripts for publishing demo data into Global Relays production environment and demo environments which are used by our sales teams to demonstrate the capabilities ...

Senior Python Engineer (Python + PowerShell)

As a Global Relay Senior Python Software Developer engineer you will be part of a small team of developers designing, developing and maintaining scripts for publishing demo data into Global Relays production environment and demo environments which are used by our sales teams to demonstrate the capabilities ...

Senior Backend Engineer Greenfield Real Time Hospitality

A global technology company is seeking a talented Backend Software Engineer to join their team based in London. The successful candidate will design and develop high-performance backend systems for the hospitality-tech industry. This is a great opportunity to work on greenfield projects and collaborate with cros ...

Remote AI Systems Engineer — Backend & Orchestration

Outlier AI is seeking a backend engineer to enhance AI agents through human feedback in Woodthorpe, UK. The role demands over 2 years of experience in backend engineering or AI automation and proficiency in languages like Python or JavaScript. Responsibilities include building production-grade software and addre ...

Senior Mobile Cloud Backend Engineer

A leading streaming platform is looking for a Senior Software Engineer (Backend) in Manchester. The role involves designing scalable backend services, maintaining robust APIs, and working collaboratively across teams. Ideal candidates will have experience with Java, Python, Docker, Kubernetes, and a degree in co ...

Remote AI Systems Engineer — Backend & Orchestration

Outlier AI is seeking a backend engineer to enhance AI agents through human feedback in Woodthorpe, UK. The role demands over 2 years of experience in backend engineering or AI automation and proficiency in languages like Python or JavaScript. Responsibilities include building production-grade software and addre ...

Engineering Manager

Hybrid: a few times a month in office Overview I build and scale great Engineering teams within the Ruby on Rails market and have worked with some of London's fastest growing businesses. An Engineering Manager is needed to join one of the UK's leading E-commerce & Gifting businesses, to lea ...

Engineering Manager

Hybrid: a few times a month in office Overview I build and scale great Engineering teams within the Ruby on Rails market and have worked with some of London's fastest growing businesses. An Engineering Manager is needed to join one of the UK's leading E-commerce & Gifting businesses, to lea ...

Senior Software Engineer

Senior Software Engineer Are you a developer who loves building products, not just features? Do you thrive at the intersection of robust backend logic, intuitive frontend interfaces, and conversational AI? Are you excited to join a fast-growing, seed-funded st ...

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    Python Software Developer Backend Jobs in United Kingdom Job Search Guide, Trends and Insights