Python Software Developer Backend Jobs in UK

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Lead Software Engineer SDET

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. Join us to shape the future of technology and quality assurance. You’ll have the opportunity to work with cutting‑edge tools and frameworks, collaborating with a passionate team that val ...

Lead Software Engineer SDET

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. Join us to shape the future of technology and quality assurance. You’ll have the opportunity to work with cutting‑edge tools and frameworks, collaborating with a passionate team that val ...

Senior Software Engineer

Get AI-powered advice on this job and more exclusive features. NGIS EU is a global leading dedicated Geospatial and Sustainability company. We are an impact focused company with a mission to use our skills and capabilities to address significant global challenges including climate change, biodiversity ...

Senior Software Engineer

Get AI-powered advice on this job and more exclusive features. NGIS EU is a global leading dedicated Geospatial and Sustainability company. We are an impact focused company with a mission to use our skills and capabilities to address significant global challenges including climate change, biodiversity ...

Senior Platform Engineer, Internal Developer Platform & Developer Experience

The Opportunity At UserTesting, the Developer Experience (DX) team builds products for engineers . Our mission is to make software delivery faster, safer, and more scalable by creating the platforms, workflows, and paved roads engineers rely on every day. We operate with a ...

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 clarify requirement ...

Lead Backend Engineer

Whitespace Belfast, Northern Ireland, United Kingdom Lead Backend Engineer Whitespace leads in creating smarter, safer AI solutions for enterprises. As AI presents transformative opportunities, many companies struggle to harness its full potential. Department: EngineeringRepo ...

Senior Backend Engineer | Node.js, TypeScript | Hybrid

A dynamic software company based in London is seeking a highly experienced Lead Backend Developer. This role involves designing and building robust backend systems using Node.js and TypeScript. You will work closely with cross-functional teams to develop high-performance APIs and manage databases. Ideal candidat ...

Java Backend Engineer – Spring Boot, REST & Kafka

Rockstar in Dundee, Scotland is seeking a Java Backend Developer to design and implement solutions for game development challenges. The ideal candidate has over 3 years of experience in Java backend development, strong command of the Spring Boot ecosystem, and a solid understanding of MySQL. You will contribute ...

Senior .NET Backend Engineer — Hybrid, Scale & Impact

TyneStack Ltd in Newcastle upon Tyne is looking for a Senior Software Developer (.NET / Backend / Azure). This full-time, hybrid role focuses on developing and maintaining backend systems utilizing C# and modern .NET, contributing to high-impact projects. Candidates should have strong experience in live environm ...

Senior Backend Engineer | Node.js, TypeScript | Hybrid

A dynamic software company based in London is seeking a highly experienced Lead Backend Developer. This role involves designing and building robust backend systems using Node.js and TypeScript. You will work closely with cross-functional teams to develop high-performance APIs and manage databases. Ideal candidat ...

Senior Backend Engineer (Java & Spring) | Microservices

Elsevier in Oxford is seeking a Software Engineer III to design and develop backend services using Java, Spring Boot, and Python in a collaborative agile environment. This role involves enhancing document transformation services and APIs while working with cloud technologies like AWS and Kafka. The ideal candida ...

Senior Backend Engineer (Java & Spring) | Microservices

Elsevier in Oxford is seeking a Software Engineer III to design and develop backend services using Java, Spring Boot, and Python in a collaborative agile environment. This role involves enhancing document transformation services and APIs while working with cloud technologies like AWS and Kafka. The ideal candida ...

AI Backend Engineer – LLMs, Scalable Pipelines & MLOps

Moody's Investors Service is seeking a Software Engineer specializing in AI systems to design and implement robust backend solutions using Node.js and Python. The ideal candidate will have over 3 years of experience in backend software development, particularly with AI applications involving machine learning tec ...

AI Backend Engineer – LLMs, Scalable Pipelines & MLOps

Moody's Investors Service is seeking a Software Engineer specializing in AI systems to design and implement robust backend solutions using Node.js and Python. The ideal candidate will have over 3 years of experience in backend software development, particularly with AI applications involving machine learning tec ...

Lead Python Engineer

Lead AI Python Engineer We’re working with an early-stage AI product company in London building software that automates real-world operational workflows using Python and applied AI. This is a hands-on engineering role focused on designing and building backend systems, APIs ...

Lead Backend Software Engineer C# .Net Azure SaaS

Lead Backend Software Engineer / Developer (C# .Net Azure SaaS) Reigate / WFH to £100k Are you a backend focussed C# technologist with an indepth knowledge of Azure? You could be progressing your career in a senior, hands on role at a global InsurTech business that is producing game chang ...

Lead Backend Engineering Team — Remote & Growth

A technology partnership firm is seeking a Backend Engineering Team Manager to lead and inspire a remote team of backend engineers. The role involves project execution, mentoring engineers, and collaborating with product and design teams. Ideal candidates should have over 7 years of software development experien ...

React Developer Up to £180,000 + Bonus + Package

The Opportunity Join a world‑class buy‑side firm as a React Developer, building high‑performance front‑end systems that power sophisticated trading and pricing workflows. This is a rare opportunity to operate at the intersection of modern web engineering and quantitative finance — deliver ...

Senior Backend Architect: Build Scalable Data & API Platforms

A leading technology company in Greater London seeks a Backend Software Engineer to lead the architecture and development of high-performance backend services. The role involves designing efficient data structures, building robust APIs, and collaborating with cross-functional teams. Ideal candidates will have 6+ ...

Senior Software Engineer – Node/API Backend, Remote Ready

A music technology company is seeking a Senior Software Engineer to redefine the music industry by building applications for a web platform. The ideal candidate has strong skills in JavaScript/TypeScript and Node.js, with experience in designing RESTful APIs and working in cloud environments. This role involves ...

Java Software Engineer II — Secure, Scalable Backend & UI

A leading global financial services firm is looking for a Software Engineer II in Glasgow, UK. This role involves executing software solutions, writing high-quality code, and engaging in the full Software Development Life Cycle. The ideal candidate should have experience in Java and UI development with technolog ...

Solana PERP DEX: Superis Labs Software Engineer, Backend

Superis Labs is building a high-performance perpetual futures DEX on Solana. The first production MVP is underway, and early team members will define core architecture and protocol design. The company is fully backed by Ergonia, a crypto-native market-making firm and venture builder with deep exper ...

Senior Lead Software Engineer Backend Engineer Chase UK

At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust established by millions of c ...

Senior Software Engineer — AI/ML Backend & Data Pipelines

Datalex is seeking a Senior Software Engineer specializing in Python-based AI/ML development to design and deploy machine learning features. The role involves building APIs, collaborating on CI/CD, and mentoring Junior Engineers. Candidates should have 8+ years of experience, strong knowledge of AI technologies, ...

Backend Software Engineer — C#/.NET Core, Azure & Agile

Digital Outsource Services is seeking a Backend Developer in Greater London, UK. The role involves designing and maintaining scalable systems, implementing quality solutions, and participating in Agile practices. Key qualifications include expertise in C# and .NET Core, proficiency in Agile methodologies, and a ...

Senior Software Engineer Rust (Any Backend Language Accepted)

Fastest Growing Start-up in the UK | Defense | Senior Software Engineer | Rust We are partnered with one of the UK's fastest growing start-ups. They are a very technically focused group building cutting-edge decision making technology. The company's founding team has real pedigree, ...

Senior Software Engineer — Backend/Full Stack, AWS & GraphQL

TripAdvisor LLC is seeking a Senior Software Engineer to join their team in Oxford. This full-stack position focuses primarily on backend work, offers a remote-first working model, and requires collaboration with product managers and designers. Candidates should have experience in Java, React, and willingness to ...

Senior Backend Software Engineer in London Engineering Employment

Job Description The job responsibilities include: Deploying ML workloads in streaming systems Influencing architecture and owning key infrastructure components Experience in Python Familiarity with JIRA and Confluence Hybrid role – 2 d ...

Backend Software Engineer C# .Net SQL Hedge Fund

London, Greater London | £150k - £180k per year Ref: PR/ _ Backend Software Engineer / Developer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist Backend Software Engineer with a record of academic achievement? You could be progressing your career wo ...

Senior Software Engineer – Backend / Fullstack (d/f/m)

Senior Software Engineer – Backend / Fullstack (d/f/m) Product, Technology & Design Full Time Munich, Berlin or London About The Role We’re hiring multiple Senior Software Engineers across Personio. This is an opportunity for experienced engineers who want to wor ...

Senior Lead Software Engineer – Cloud Native Java Backend

hackajob is looking for a Senior Lead Software Engineer in Greater London to join our collaboration with J.P. Morgan. In this role, you will deliver cloud-native microservices, protect applications, and coach team members. Ideal candidates will have extensive experience in backend development, particularly in Ja ...

Backend Software Engineer SaaS, Node/TS, Multi Tenant

PTC in Cambridge is seeking a Backend Software Engineer to design and build scalable software solutions. The ideal candidate will have over 3 years of experience, proficiency in TypeScript, Node.js, and Angular, and a solid background in SaaS applications. We offer a collaborative environment that fosters divers ...

Senior Software Engineer Rust (Any Backend Language Accepted)

Fastest Growing Start-up in the UK | Defense | Senior Software Engineer | Rust We are partnered with one of the UK's fastest growing start-ups. They are a very technically focused group building cutting-edge decision making technology. The company's founding team has real pedigree, ...

Senior Lead Software Engineer Backend Engineering Java/Kotlin

Overview Job Description Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team ...

Backend Software Engineer II Remote First, Build Impact

A leading travel company is seeking a Software Engineer II to join their team in Oxford or London. This position offers a remote-first working model with opportunities for in-person collaboration. Candidates should have strong programming skills, particularly in backend systems and a willingness to learn. The ro ...

Senior Lead Software Engineer Backend Engineer Chase UK

Job Description At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust es ...

Senior Lead Software Engineer Backend Engineering Java/Kotlin

Overview Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our success. We ...

Backend Software Engineer II Remote First, Build Impact

A leading travel company is seeking a Software Engineer II to join their team in Oxford or London. This position offers a remote-first working model with opportunities for in-person collaboration. Candidates should have strong programming skills, particularly in backend systems and a willingness to learn. The ro ...

Senior Software Engineer I Acquiring Platform Backend (Java)

Full-time Compensation: GBP 85,000 - GBP 105,000 - yearly Company Description Wise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed. Whether people and businesses are sending ...

Senior Lead Software Engineer Backend Engineering Java/Kotlin

Overview Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our success. We ...

Senior Software Engineer Backend & Infrastructure (f/m/d)

About the Opportunity As a Senior Software Engineer focused on content storage infrastructure domain you will be responsible for innovating and maintaining Contentful’s underlying storage infrastructure and adjacent services. You will work on the very foundation of Content ...

Senior Software Engineer Backend & Infrastructure (f/m/d)

London, England, United Kingdom About the Opportunity As a Senior Software Engineer focused on content storage infrastructure domain you will be responsible for innovating and maintaining Contentful’s underlying storage infrastructure and adjacent services. You wil ...

Backend Software Engineer C#/.NET, SQL (London Onsite)

A leading technology firm in London seeks a Backend Software Engineer with expertise in C# .NET and SQL. Join a collaborative team to develop algorithmic trading systems, ensuring high performance and scalability. Ideal candidates will have a strong academic record, advanced programming skills, and a thorough un ...

Senior Software Engineer Backend & Infrastructure (f/m/d)

About The Opportunity As a Senior Software Engineer focused on content storage infrastructure domain you will be responsible for innovating and maintaining Contentful’s underlying storage infrastructure and adjacent services. You will work on the very foundation of Contentful that ...

Software Engineer – .NET Core Backend with AI tooling

A prestigious UK company seeks a Software Engineer in Hereford to enhance and maintain Microsoft-based business applications. This full stack role emphasizes backend development using C# .Net Core, SQL, and offers a collaborative environment with a variety of projects. Candidates should have problem-solving skil ...

Backend Software Engineer Portfolio Data Workflows Edinburgh, UK

Edinburgh, UK Who We Are Addepar is a global data and AI platform empowering investment professionals to turn complex financial information into actionable intelligence. Addepar unifies portfolio, market and client data in a total portfolio view and delivers AI‑powered insights with ...

Senior Software Engineer I Acquiring Platform Backend (Java)

At hackajob we collaborate with Wise to connect them with professionals for the role. Company Description Wise is a global technology company building the best way to move and manage the world’s money. Job Description We are building a new network for global money moveme ...

Senior Software Engineer Rust (Any Backend Language Accepted)

Fastest Growing Start-up in the UK | Defense | Senior Software Engineer | Rust We are partnered with one of the UK's fastest growing start-ups. They are a very technically focused group building cutting-edge decision making technology. The company's founding team has real pedigree, ...

Senior Software Engineer, Authentication & Authorisation (Backend) London, UK

Senior Software Engineer, Authentication & Authorisation (Backend) London, UK At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments ...

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