Python Software Developer Backend Jobs in UK

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Backend Engineer

About the Role As a Backend Engineer, you'll collaborate directly with the CTO to architect and build the core infrastructure of Pod. This is a high-impact role where you’ll shape the foundation of a platform designed to push the boundaries of decentralized applications. Responsibilities ...

Backend Engineer

Founded in 2017, Obsidian Security was created to close a critical gap: securing the SaaS applications where modern business happens—platforms like Microsoft 365, Salesforce, and hundreds more. Backed by top investors including Greylock, Norwest Venture Partners, and IVP, we’ve built a complete Saa ...

Backend Engineer

xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We ...

Backend Engineer

About Junior We’re building cutting-edge LLM-powered tools to supercharge the investment research process for private market investors. Our clients include several of the world’s top 10 private equity and consulting firms, and are responsible for investing billions of dollars annually. We’re a < ...

Backend Engineer

Backend Engineer At Gradient Labs, we’re on a mission to make exceptional customer service the norm. Founded in 2023, we’ve quickly gone from an idea to a growing team with customers you know (and probably love). Our AI agent helps businesses handle even the trickiest, high‑stakes custome ...

Backend Engineer

About The Role We are looking for an experienced backend engineer to join our team and help build the foundational infrastructure. You’ll be joining a small, cross‑functional team focused on shipping real value quickly and building systems that are observable, reliable, and designed to evolve. </ ...

Backend Engineer

At Gradient Labs, we’re on a mission to make exceptional customer service the norm. Founded in 2023, we’ve quickly gone from an idea to a growing team with customers you know (and probably love). Our AI agent helps businesses handle even the trickiest, high‑stakes customer support queries safely an ...

Backend Engineer

About 9fin 9fin is the AI platform powering global debt markets — the world’s largest asset class at over $145 trillion. Overview Debt markets are vast, global, and mission-critical, yet still run on fragmented data, PDFs, and manual workflows. 9fin replaces this broken infrastruct ...

Backend Engineer

Get involved in a greenfield replatforming project for a major retailer and take your backend skills to the next level. A well‑known retail brand is investing heavily in its technology platform and is currently undertaking a major ecommerce re‑platform to Shopify. As part of this transformation, th ...

Backend Engineer

As a Backend Engineer at Monzo, you'll help build one of the UK's fastest-growing digital banks, serving 9M+ customers. You'll design and develop Go microservices, contribute to a highly collaborative engineering culture, and work on features that genuinely improve people's relationship with money. <h ...

Backend Engineer

Backend Engineer At Gradient Labs, we’re on a mission to make exceptional customer service the norm. Founded in 2023, we’ve quickly gone from an idea to a growing team with customers you know (and probably love). Our AI agent helps businesses handle even the trickiest, high‑stakes custome ...

Backend Engineer

We’re building the next generation of employee benefits infrastructure. At Happl, we help global teams design, manage, and scale benefits that actually work for their people by using AI, across flex allowances, benefits, insurance, recognition, and wellbeing, all in one intelligent platform ...

Backend Engineer

Company Description Depop is the community‑powered circular fashion marketplace where anyone can buy, sell and discover desirable secondhand fashion. With a community of over 35 million users, Depop is on a mission to make fashion circular, redefining fashion consumption. Founded in 2011, the com ...

Backend Engineer

Get involved in a greenfield replatforming project for a major retailer and take your backend skills to the next level. A well-known retail brand is investing heavily in its technology platform and is currently undertaking a major ecommerce re-platform to Shopify. As part of this transformation, the ...

Backend Engineer

Who We Are At Intropic , we’re building the future of financial intelligence, where deep market expertise meets the power of AI. Founded in London’s financial centre of Canary Wharf, we exist to transform complex data into clarity, precision, and action. Our culture is shaped by truth-seekin ...

Backend Intern

Toddle is a teacher-built, AI-first teaching and learning platform designed to go beyond traditional LMS systems. Our mission is to help educators streamline their workflow, from curriculum planning and assessments to student portfolios, gradebooks, progress reports, and family communication—all within one ...

Backend Engineer

This role is for one of the Weekday's clients Salary range: Rs - Rs (ie INR 130-160 LPA) Min Experience: 5 years Location: London JobType: full-time We are seeking a Senior Backend Engineer to build and scale intelligent backend systems powering A ...

Backend Engineer

We’re partnering with a fast‑growing global fintech building the next generation of on‑chain payments, banking, and investment infrastructure. This is a rare opportunity to work on mission‑critical backend systems used by millions of customers worldwide — where scale, performance, and security genuinely ma ...

Backend Engineer

the ambitious goal of building the data, AI and software infrastructure for the future of manufacturing working at the crossover of software and hardware (we are truly full stack and often are in factories) designing efficient architectures to handle large amounts of data and 10,000s ...

Backend Engineer

Overview Join to apply for the Backend Engineer role at nsave . This range is provided by nsave. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Location: London, UK (Spitalfields). Full-time ...

Backend Engineer

Min Experience: 5 years Location: UK JobType: full-time We are looking for a Backend Engineer with strong expertise in Python and FastAPI to build scalable, high-performance systems in an AI-driven environment. This role focuses on developing backend services that power intelligent ...

Backend Engineer

This role is for one of the Weekday's clients Salary range: Rs - Rs (ie INR 130-160 LPA) Min Experience: 5 years Location: London JobType: full-time We are seeking a Senior Backend Engineer to build and scale intelligent backend systems powering AI-dri ...

Backend Engineer

Job Description Is your CV ready If so, and you are confident this is the role for you, make sure to apply asap.Senior Backend Engineer (Security Compliance) - 100% Remote The RoleJoin a high-autonomy team as a senior contractor architecting the next generation of our security compliance ...

Backend Engineer

Job Description Apply fast, check the full description by scrolling below to find out the full requirements for this role.Robert Half Technology are assisting a global market leading e-commerce organisation to recruit a Backend Engineer on a 6 months contract basis. Hybrid working - London base ...

Backend Engineer

Robert Half Technology are assisting a global market leading e-commerce organisation to recruit a Backend Engineer on a 6 months contract basis. Hybrid working - London based As a Backend Engineer, you will build and scale services that enable internationalisation and support integration of new platfor ...

Backend Engineer

Backend Engineer (Node.js / AWS) Remote - Ireland / Northern Ireland Only €50,000 - €55,000 I'm working with an early-stage Irish company in the climate tech space, already live with customers and now pushing hard to scale their platform. ...

Backend Engineer

WPP is the trusted growth partner for the world’s leading brands. With exceptional talent, trusted data and intelligence, and world-class partnerships – all united by our pioneering agentic marketing platform, WPP Open – we help clients navigate change, capture opportunity, and deliver transformational gro ...

Backend Engineer

Software Engineer / C# / Backend / APIs / Software / Cardiff / Permanent / Hybrid Vivo Talent is working with a business that has huge growth plans for this year. We’re actively working with them to recruit a backend engineer into their team, with strong hands‑on experience with C# to help build ...

Backend Engineer

About The Role Contract type: Permanent. Hours: Full-time, 35 hours. Location: Head Office, Nottingham (Hybrid working, minimum 2 days per week). At Nottingham Building Society our talent acquisition approach is rooted in openness and inclusive hiring, so even if you don’t feel you tick eve ...

Backend Engineer

We are recruiting a Backend Engineer within our Enterprise Architecture team to help us build event-driven solutions and democratise data access across our technology teams. Your first task will be to become proficient in cloud-native data and event streaming solutions. The next challenge for our t ...

Backend Engineer

Min Experience: 5 years Location: UK JobType: full-time We are looking for a Backend Engineer with strong expertise in Python and FastAPI to build scalable, high-performance systems in an AI-driven environment. This role focuses on developing backend services that power intelligent ...

Backend Engineer

As a Backend Engineer, you will take real ownership of the systems that power a fast-growing LLM-native product. This is a hands-on role focused on building reliable, high-performance backend services while shaping the foundations of a small, senior engineering team.What You Will Do<p ...

Backend Engineer

Robert Half Technology are assisting a global market leading e-commerce organisation to recruit a Backend Engineer on a 6 months contract basis. Hybrid working - London basedAs a Backend Engineer, you will build and scale services that enable internationalisation and support integration of new pla ...

Backend Engineer

We're not just closing the digital divide; we're reconnecting distributed organisations, enabling seamless communication, and re-engaging employees like never before. Blink, a mobile-first employee experience platform, puts everything employees need right in their hands. With teams in Boston, London, and Sydn ...

Backend Engineer

Backend EngineerTeam: Engineering & DataLocation: Depop - LondonCompany DescriptionDepop is the community-powered circular fashion marketplace where anyone can buy, sell and discover desirable secondhand fashion. With a community of over 35 mi ...

Backend Engineer

This role is for one of the Weekday's clientsSalary range: Rs 13000000 - Rs 16000000 (ie INR 130-160 LPA)Min Experience: 5 yearsLocation: LondonJobType: full-timeWe are seeking a Senior Backend Engineer to build and scale intel ...

Backend Engineer

Wide and Wise is a top recruitment agency with offices in Istanbul, Milan, and Dubai, connecting exceptional talent with leading companies across EMEA, MENA, and the US.We are looking for a Backend Engineer to join our partner company! </stron ...

Backend Engineer

About Nothing Nothing exists to make tech feel exciting again. We’re building a different kind of technology company, one that puts design, emotion, and human creativity at the heart of everything we do. From the way our products look and feel to how we communicate and show up in cult ...

Backend Engineer

Min Experience: 5 yearsLocation: UKJobType: full-timeWe are looking for a Backend Engineer with strong expertise in Python and FastAPI to build scalable, high-performance systems in an AI-driven environment. This role focuses on developing backend services that power intelligent au ...

Backend Engineer

This role is for one of the Weekday's clientsSalary range: Rs 13000000 - Rs 16000000 (ie INR 130-160 LPA)Min Experience: 5 yearsLocation: LondonJobType: full-timeWe are seeking a Senior Backend Engineer to build and scale intel ...

Backend Engineer

Robert Half Technology are assisting a global market leading e-commerce organisation to recruit a Backend Engineer on a 6 months contract basis. Hybrid working - London basedAs a Backend Engineer, you will build and scale services that enable internationalisation and support integration of new platform ...

Backend Engineer

Wide and Wise is a top recruitment agency with offices in Istanbul, Milan, and Dubai, connecting exceptional talent with leading companies across EMEA, MENA, and the US.We are looking for a Backend Engineer to join our partner company! </stron ...

Backend Engineer

We're not just closing the digital divide; we're reconnecting distributed organisations, enabling seamless communication, and re-engaging employees like never before. Blink, a mobile-first employee experience platform, puts everything employees need right in their hands. With teams in Boston, London, and Sydn ...

Backend Engineer

As a Backend Engineer, you will take real ownership of the systems that power a fast-growing LLM-native product. This is a hands-on role focused on building reliable, high-performance backend services while shaping the foundations of a small, senior engineering team.What You Will Do<p ...

Backend Engineer

About Nothing Nothing exists to make tech feel exciting again. We’re building a different kind of technology company, one that puts design, emotion, and human creativity at the heart of everything we do. From the way our products look and feel to how we communicate and show up in cult ...

Backend Engineer

Min Experience: 5 yearsLocation: UKJobType: full-timeWe are looking for a Backend Engineer with strong expertise in Python and FastAPI to build scalable, high-performance systems in an AI-driven environment. This role focuses on developing backend services that power intelligent au ...

Backend Engineer

Backend EngineerTeam: Engineering & DataLocation: Depop - LondonCompany DescriptionDepop is the community-powered circular fashion marketplace where anyone can buy, sell and discover desirable secondhand fashion. With a community of over 35 mi ...

Backend Engineer

Robert Half Technology are assisting a global market leading e-commerce organisation to recruit a Backend Engineer on a 6 months contract basis. Hybrid working - London basedAs a Backend Engineer, you will build and scale services that enable internationalisation and support integration of new pla ...

Backend Engineer

Robert Half Technology are assisting a global market leading e-commerce organisation to recruit a Backend Engineer on a 6 months contract basis. Hybrid working - London basedAs a Backend Engineer, you will build and scale services that enable internationalisation and support integration of new platform ...

Principal AI Engineer

PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across advanced industries. By enabling high-fidelity, mul ...

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