Backend Developer Python Nodejs Jobs in UK

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Backend Engineer Rails

Why We ExistEconomic incentives, environmental pressures, and regulatory shifts are driving a global move toward the circular economy. Consumers and businesses are already moving away from rigid ownership models i ...

Senior Backend Engineer

Contract Type: Full-time, Permanent Location: This role is UK‑based, with occasional travel to London and Peterborough (approximately 1–2 times per quarter). Our Team: How we enrich everyday lifeYou’ll be joining our dynamic Digital Development team ...

Mid Backend Engineer

A bit about us...Please allow us to celebrate our own success for a moment... We've built a customer-centric product that is market-leading, and we are smashing it!We're a multi-award-winning digital payments and insight platform within the ...

Senior Backend Engineer

📝 TL;DRDeducta is a fast-growing startup serving some of the world’s largest and most recognizable companies. We are well funded and actively solving the most pressing business challenges in the modern enterprise.We are looking for a Senior Backend Engineer to be a leader in t ...

Cloud Backend Engineer

Signaloid provides computing platforms for dramatically reducing the runtime and compute infrastructure requirements of many critical workloads in the finance, robotics, and manufacturing sectors. Organizations can run their applications over our computing platforms and in the process replace time-consuming M ...

Backend Engineer Release

The Platform team creates the technology that enables Spotify to learn quickly and scale easily, enabling rapid growth in our users and our business around the globe. Spanning many disciplines, we work to make the business work; creating the infrastructure, tooling, frameworks, and capabilities needed to welcome ...

Senior Backend Engineer

The role This is a Senior Backend Engineer position. You'll work across the engineering surface which spans payment orchestration, merchant APIs, settlement flows, internal business services, and the infrastructure that supports them. What you work on will depend on where the team needs you mo ...

Senior Backend Engineer

📝 TL;DRDeducta is a fast-growing startup serving some of the world’s largest and most recognizable companies. We are well funded and actively solving the most pressing business challenges in the modern enterprise.We are looking for a Senior Backend Engineer to be a leader in t ...

Senior Backend Engineer

| High-Growth Cybersecurity Scale-Up | Fully Remote (UK based)Are you ready to build the core systems that power one of the fastest-growing cybersecurity platforms on the planet? 🚀This is your chance to join a research-driven, venture-backed security scale-up that’s trusted by so ...

Senior Backend Engineer

The role This is a Senior Backend Engineer position. You'll work across the engineering surface which spans payment orchestration, merchant APIs, settlement flows, internal business services, and the infrastructure that supports them. What you work on will depend on where the team needs you mo ...

Backend Engineer, LONDON

About nsavensave is a fintech company headquartered in London. Founded by Amer Baroudi and Abdallah AbuHashem, our vision is to Protect and grow the wealth of the financially excluded. We have built a global platform that provide trusted U ...

Senior Backend Engineer

United Kingdom - London Posted: 16/03/2026 Salary: £0.00 to £550.00 per Day ID: 37187_BH Apply OR Senior Backend Engineer6 months initial contractOutside IR35 - Fully remote (UK) We are working with a leading global techn ...

Staff Backend Engineer

The employer is a cryptocurrency launchpad for the Solana blockchain that enables users to create tokens and trade them immediately on the platform, as well as to launch them onto decentralized exchanges. With over 6 million meme coins launched on the platform, it is one of the ...

Backend Engineer Rails

Why We ExistEconomic incentives, environmental pressures, and regulatory shifts are driving a global move toward the circular economy. Consumers and businesses are already moving away from rigid ownership models i ...

Senior Backend Engineer

Believ: ABOUT USAt Believ, formerly known as Liberty Charge, we believe sustainable transport should be accessible to everyone. We’re a Charge Point Operator (CPO) on a mission to create the UK’s most reliable electric vehicle charging network that doesn’t cost the earth and leaves no one behind ...

Senior Backend Engineer

Via is using technology to transform transportation around the world. From changing a single person’s daily commute to reducing humanity’s collective environmental footprint — we’ve got huge goals.As a Senior Backend Engineer at Via, you’ll work within our R&D center as a member of our backend t ...

Platform Engineer (Backend)

The employer is a cryptocurrency launchpad for the Solana blockchain that enables users to create tokens and trade them immediately on the platform, as well as to launch them onto decentralized exchanges. With over 6 million meme coins launched on the platform, it is one of the ...

Senior Backend Engineer

United Kingdom - London Posted: 16/03/2026 Salary: £0.00 to £550.00 per Day ID: 37187_BH Apply OR Senior Backend Engineer6 months initial contractOutside IR35 - Fully remote (UK) We are working with a leading global techn ...

Senior Backend Engineer

A NOTE FROM THE FOUNDERSOxford Dynamics is at an inflection point.We operate in some of the most complex and high-stakes environments in the world - defence, national security, AI and robotics. The decisions we make now will define not just how fast we grow, but who we become.You ...

Senior Backend Engineer

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. Were redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace.Our momentum comes ...

Staff Backend Engineer

The employer is a cryptocurrency launchpad for the Solana blockchain that enables users to create tokens and trade them immediately on the platform, as well as to launch them onto decentralized exchanges. With over 6 million meme coins launched on the platform, it is one of the ...

Cloud Backend Engineer

Signaloid provides computing platforms for dramatically reducing the runtime and compute infrastructure requirements of many critical workloads in the finance, robotics, and manufacturing sectors. Organizations can run their applications over our computing platforms and in the process replace time-consuming M ...

Platform Engineer (Backend)

The employer is a cryptocurrency launchpad for the Solana blockchain that enables users to create tokens and trade them immediately on the platform, as well as to launch them onto decentralized exchanges. With over 6 million meme coins launched on the platform, it is one of the ...

Backend Software Engineer

Software Engineer – Java 21, SpringbootUp to £550 per day (Inside IR35)London / Remote6 monthsMy client is an instantly recognisable consultancy who require a strong Backend Software Engineer with deep expertise in Java (Spring Boot) to join a large-scale, business‑critical microservi ...

Backend Engineer, LONDON

About nsavensave is a fintech company headquartered in London. Founded by Amer Baroudi and Abdallah AbuHashem, our vision is to Protect and grow the wealth of the financially excluded. We have built a global platform that provide trusted U ...

AI Backend Engineer

Workplace: White City, London / Media City, Manchester. Expectations are 1-2 days in the office. We are seeking a Backend Engineer to join our Group Data team, working as part of the AI Agent Hub delivery team.This role will help build, extend, and improve the backend services, APIs, integration ...

Mid Backend Engineer

A bit about us...Please allow us to celebrate our own success for a moment... We've built a customer-centric product that is market-leading, and we are smashing it!We're a multi-award-winning digital payments and insight platform within the ...

Senior Backend Engineer

Believ: ABOUT USAt Believ, formerly known as Liberty Charge, we believe sustainable transport should be accessible to everyone. We’re a Charge Point Operator (CPO) on a mission to create the UK’s most reliable electric vehicle charging network that doesn’t cost the earth and leaves no one behind ...

Senior Backend Engineer

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. Were redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace.Our momentum comes ...

Senior Backend Engineer

RequirementsHey! We’re Plum, your smart saving and investing app on a mission to help grow money for life. Whether you’re stashing the cash for tea and toast in your first home or catching some rays during retirement, Plum’s got your back.Since 2016, over 2 million people in 10 ...

AI Backend Engineer

Workplace: White City, London / Media City, Manchester. Expectations are 1-2 days in the office. We are seeking a Backend Engineer to join our Group Data team, working as part of the AI Agent Hub delivery team.This role will help build, extend, and improve the backend services, APIs, integration ...

Senior Backend Engineer

Via is using technology to transform transportation around the world. From changing a single person’s daily commute to reducing humanity’s collective environmental footprint — we’ve got huge goals.As a Senior Backend Engineer at Via, you’ll work within our R&D center as a member of our backend t ...

Senior Backend Engineer

RequirementsHey! We’re Plum, your smart saving and investing app on a mission to help grow money for life. Whether you’re stashing the cash for tea and toast in your first home or catching some rays during retirement, Plum’s got your back.Since 2016, over 2 million people in 10 ...

Senior Backend Engineer

A NOTE FROM THE FOUNDERSOxford Dynamics is at an inflection point.We operate in some of the most complex and high-stakes environments in the world - defence, national security, AI and robotics. The decisions we make now will define not just how fast we grow, but who we become.You ...

Senior Backend Engineer

Our client is a successful tech scale-up, a cash-generative SME currently at c.£10m turnover and c.80 staff, looking to double in size in the next five years under the guidance of its experienced, highly charismatic and driven owner, supported by a first-class senior leadership team including new CEO. We are lo ...

Senior Backend Engineer

Our client is a successful tech scale-up, a cash-generative SME currently at c.£10m turnover and c.80 staff, looking to double in size in the next five years under the guidance of its experienced, highly charismatic and driven owner, supported by a first-class senior leadership team including new CEO. We are lo ...

Enterprise Node.js & TypeScript Full‑Stack Engineer

Marex in Greater London is seeking a Full Stack Developer to join the Enterprise team. In this role, you will design, develop, and maintain high-quality solutions using NodeJS and Typescript. You will collaborate with product owners and engineering teams, aiming to build scalable services that meet business dema ...

Senior C# Developer.Net Core relocate to Newcastle!

Senior C# Developer / Backend Software Engineer (C# .Net) *Newcastle onsite* to £130k+Are you a Senior C# Developer looking to escape the hustle and bustle of London and relocate to somewhere with stunning scenery and a better quality of life (there's also great restaurants and bars!)?You ...

Senior C# Developer.Net Core relocate to Newcastle!

Senior C# Developer / Backend Software Engineer (C# .Net) *Newcastle onsite* to £130k+Are you a Senior C# Developer looking to escape the hustle and bustle of London and relocate to somewhere with stunning scenery and a better quality of life (there's also great restaurants and bars!)?You ...

Internet of Things Engineer

Full Stack IoT Developer | £55,000 – £60,000 | Wiltshire Please read the information in this job post thoroughly to understand exactly what is expected of potential candidates.We’re looking for a Full Stack IoT Developer to help build connected digital services that lin ...

Internet of Things Engineer

Full Stack IoT Developer | £55,000 – £60,000 | Wiltshire We’re looking for a Full Stack IoT Developer to help build connected digital services that link industrial systems with cloud analytics. This role focuses on turning real-world device data into usabl ...

Principal C# Developer.Net AWS FinTech

Principal C# Developer / Engineer (C# .Net AWS Python) London / WFH to £120kWould you like to join a growing and profitable scale-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression?As a Principal C# Developer you ...

Staff AI Incubation Engineer

A leading cybersecurity firm in Greater London seeks a Staff Incubation Engineer to spearhead full-stack product development and tackle complex engineering challenges. The ideal candidate will possess deep AI and ML system experience, strong programming skills in Python, Golang, and NodeJS, and thrive in an agil ...

AI Software Engineer

AI Software EngineerLocation: ManchesterRole Type: PermanentWork Setup: Hybrid - 3 days onsite What you'll do Design, build and maintain production-grade AI services, APIs and platforms used across European technology teams Develop AI-enabled developer tooli ...

Senior Software Engineer Python API AWS

Senior Software Engineer / Developer (Python API AWS SaaS) London / WFH to £100k Are you a senior technologist with strong Python, API and AWS cloud experience? You could be progressing your career in an impactful, hands-on engineering position for a successful and growing technology comp ...

Senior Software Engineer

Senior Full Stack Developer | £70,000 – £80,000 | West Drayton (4 days onsite) We’re hiring a Senior Full Stack Developer to join a collaborative, technically diverse team building cutting‑edge ground software used by leading commercial airlines and military organisations. This is ...

Java Developer

We are looking for an experienced Backend Developer with strong core-java experience, skilled in building scalable, high-performance APIs and used to working with large code-bases. Proficient in designing robust system architectures, the successful candidate will work in a small team directly with the dev- ...

Lead Software Engineer

Lead Software Engineer – Backend / Cloud / AI-Focused We’re working with a fast-growing, product-led technology company building modern customer experience software. They are looking for a Lead Software Engineer to help design and build scalable backend sy ...

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