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Senior Backend Engineer (Remote)

About InvestEngine We’re a London-based fintech on a mission to make ETF investing simple and accessible. Over 130,000 clients have trusted us with over £2 billion in assets — and we’re just getting started. We’ve been featured by MoneyWeek, Finder and Forbes, and we’re growing fast with big ambi ...

Senior/Lead Backend Engineer

Fuse Energy is a forward-thinking renewable energy startup on a mission to deliver a terawatt of renewable energy - fast. We're combining first-principles thinking with cutting-edge technology to build a radically better energy system. We raised $170M from top-tier investors including Multicoin, Balderton, La ...

Node.js/TypeScript Backend Engineer

/TypeScript Backend Engineer We’d all like amazing work to do, and real work-life balance. That’s waiting for you at Sainsbury’s. Think about the scale it takes to feed the nation. The level of data, transactions and variety involved. Then you’ll realise this is a modern software engineering envir ...

Senior Product Engineer [Backend]

Attio is on a mission to redefine CRM for the AI era. We're building the first AI-native CRM - designed for the most ambitious go-to-market teams. We recently announced our $52M Series B, led by GV (Google Ventures), with support from Redpoint, Balderton, Point Nine, and 01A. Our team thriv ...

Senior Product Engineer [Backend]

Attio is on a mission to redefine CRM for the AI era. We’re building the first AI-native CRM — designed for the most ambitious go-to-market teams. We recently announced our $52M Series B , led by GV (Google Ventures), with support from Redpoint, Balderton, Point Nine, and 01A. Our team th ...

Software Engineer (Java Backend)

Join to apply for the Software Engineer (Java Backend) role at Nevis About Nevis Nevis is building the world’s first AI wealth management platform. In just 9 months, Nevis has grown to have over $50 billion of assets under management on its platform and is on track to have ...

Senior Backend Software Engineer

InfoSum is the world’s leading data collaboration platform, providing solutions to the world’s largest enterprises to allow collaboration across data sources and deliver richer customer experiences that prioritize consumer privacy. Our vision is to unlock data’s limitless potential, by enabling the ...

Senior Software Engineer | Backend

Apron is focused on helping small and medium businesses succeed. The biggest threat to small business is cash flow, often stemming from a gap between the demand payments put on owners and the aptitude to make the payments effectively. We are closing the gap by digitising and simplifying the payments proces ...

Senior Software Engineer (Backend)

Join to apply for the Senior Software Engineer (Backend) role at Lloyds Banking Group Base pay range Salary: £70,929 - £86,691. Location(s): Edinburgh, Bristol, Halifax, Leeds & Chester. Hours: Full-time - 35 hours per week. Working pattern: Hybrid - 40% (or two days) in o ...

Senior Backend Software Engineer

InfoSum is the world’s leading data collaboration platform, providing solutions to the world’s largest enterprises to allow collaboration across data sources and deliver richer customer experiences that prioritize consumer privacy. Our vision is to unlock data’s limitless potential, by enabling the ...

Senior Software Engineer, Backend

Overview We’re building the go-to platform for real football fans, a centralised home where trusted and passionate supporters can share their voices, insights, and emotions without being drowned out by pundits or fragmented across social media. Our mission is to amplify the perspectives of those ...

Staff Software Engineer (Backend)

**Craft:**Technology & Development**Job Description:****Staff Backend Engineer**Location: London**Your role within the Kingdom**If you answered yes, then our Staff Backend Engineer role on our ads engineering team may be the right role for you!We are an impactful team of problem solvers that are constantly revie ...

Java Backend Microservices Engineer

Direct message the job poster from Insight International (UK) Ltd 1. Experience in IT security, system administration, or a similar role with a focus on security patch management and system upgrades 2. Demonstrated experience in scripting and automation (e.g., PowerShell, Python) to ...

Trading Connectivity Backend Engineer

A leading technology firm in the digital asset market is seeking a Software Engineer to join their Trading Connectivity team in London. In this role, you will design and maintain high-performance backend systems that connect with various liquidity providers. The ideal candidate has 1-3 years of experience in sof ...

Senior Backend Software Engineer

About Freetrade Freetrade’s mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings. We’re changing that. We’re building our team and looking for people who are excited to ...

Senior Software Engineer Backend

As a Senior Backend Engineer at OpenAI London, you'll work on the systems that power some of the world's most advanced AI products. You'll build scalable APIs, improve inference infrastructure, and collaborate with AI researchers to bring cutting‑edge models to millions of users. Skills Required </ ...

Senior Backend Software Engineer

About The Role We are looking for a Senior Backend Software Engineer to play a pivotal role in our engineering team. In this position, you'll lead the end-to-end delivery of complex, impactful features, showcasing a passion for independent problem-solving and a drive to scale our next-generation, ...

Senior Backend Engineer Remote

A dynamic travel technology firm in the UK is seeking collaborative developers to enhance its tech stack including Node.js, TypeScript, and Google Cloud. You'll join a small, empowered team, committed to delivering high-quality software. Expect to engage in pair programming, contribute to code review sessions, a ...

Backend / API Engineer, Payouts

As a Backend/API Engineer on Stripe's Payouts team, you'll build the systems that move money from Stripe to millions of business bank accounts worldwide. You'll design reliable payout APIs, improve speed and accuracy of fund transfers, and work on complex problems at the intersection of engineering and fin ...

Senior Software Engineer Backend

We’re working with a fast-growing B2B FinTech building billing infrastructure for modern companies. Small team, high ownership, and real impact, you’ll shape both the product and core architecture. What You’ll Work On Build end-to-end product features used daily Devel ...

Principal Backend Engineer (Java)

Principal Backend Engineer - Java Location: London (Hybrid) | Type: Permanent The Role Capco is growing our Engineering team - and we're looking for experienced Principal Backend Engineers with strong Java skills and a passion for delivering innovati ...

Backend Engineer (App Delivery)

We live in a world that runs on physical industries like energy, logistics, manufacturing. These sectors are essential to our economy and daily lives, yet they are held back by inefficiencies, fragile legacy systems, and decades-old ways of working. This is not just a business problem; it is a societal one ...

Senior Backend Engineer Monetization

At Feeld, we are creating a world where where everyone is more intimately connected to each other and themselves. We are building an inclusive, human-centred product and are looking for a Senior Backend Monetization Engineer to become part of our remote team and our mission to elevate the human experience ...

Senior/Lead Backend Engineer

In this role you will work closely within product to build the core digital infrastructure for a next-generation energy company. You will use your experience to engineer backend infrastructure that is second-to-none. You'll be working across the back-end: Constructing a real-time digital ...

Senior AWS Backend Engineer

Senior AWS Backend Engineer Remote/Hybrid - TBC - International company with core hour requirements Full-time TelmarHelixa: Where AI Meets Audience Insight and Media Planning Intelligence At TelmarHelixa, we don’t just analyze data—we unlock the potential behind it. We're the fu ...

Senior Backend Engineer Java

Power the platforms behind modern finance. Shape cloud-native solutions with Java at their core. The Role We’re seeking a Senior Backend Engineer (Java) to join our Technology & Engineering team. You’ll bring expertise in building robust, scalable, cloud-native applications using ...

Senior Backend Engineer Java

Power the platforms behind modern finance. Shape cloud‑native solutions with Java at their core. The Role We’re seeking a Senior Backend Engineer (Java) to join our Technology & Engineering team. You’ll bring expertise in building robust, scalable, cloud‑native applications using ...

Backend Engineer Marketing Technology

Join Proton and build a better internet where privacy is the default. Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right . Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, P ...

Security‑Focused Backend Engineer

A leading technology firm in Greater London is seeking a Security & Backend Engineer to enhance its core data solutions. The ideal candidate will own backend services and ensure data and system security, balancing feature delivery with long-term hardening. You should have over 5 years of experience in operating ...

Senior Backend Engineer UK

Eequ is a marketplace and booking platform for learning experiences outside traditional schools and universities. Providers use Eequ to list activities, take bookings and payments, and manage their programmes. We are the market-leading supplier to local authorities in the UK for council-funded progr ...

Senior Backend Engineer Monetization

Overview At Feeld, we are creating a world where everyone is more intimately connected to each other and themselves. We are building an inclusive, human-centred product and are looking for a Senior Backend Monetization Engineer to become part of our remote team and our mission to elevate the huma ...

Senior Product Engineer [Backend]

Attio is on a mission to redefine CRM for the AI era. We’re building the first AI-native CRM — designed for the most ambitious go-to-market teams. We recently announced our $52M Series B, led by GV (Google Ventures), with support from Redpoint, Balderton, Point Nine, and 01A. Our team thr ...

Senior Software Engineer (Backend)

Our mission is to power free payments for businesses and more rewarding shopping for customers so that everyone wins . By removing payment fees and passing savings back to customers, we are disrupting the payments industry while helping businesses increase sales and loyalty. With Buy Now, ...

Senior Software Engineer (Backend)

Super Payments Our mission is to power free payments for businesses and more rewarding shopping for customers so that everyone wins. By removing payment fees and passing savings back to customers, we are disrupting the payments industry while helping businesses increase sales and loyalty. <h ...

Product Engineer (Backend) London

Hey! We're team Granola If you haven't already, you should check out what we're building, and why you should work here. We're looking for an Product Engineer focussed on the Backend to help us scale our systems to unlock Granola for the next 100x users. In this role, you will dee ...

Senior Backend Engineer (Java)

Apply for this job We usually respond within three days Who are Benifex? We are a fast-moving technology company, and one of the most successful providers of online reward and benefits solutions in the world. We believe that everyone deserves an exceptional experience at ...

Staff Software Engineer Backend

Overview At Databricks, we are passionate about enabling data teams to solve the world's toughest problems by building and running the data and AI infrastructure platform that helps customers use deep data insights to improve their business. We focus on tackling technical challenges across design, ...

Sr. Backend Software Engineer

Who We Are Addepar is a global technology and data company that helps investment professionals provide the most informed, precise guidance for their clients. Hundreds of thousands of users have entrusted Addepar to empower smarter investment decisions and better advice over the last decade. With ...

Software Engineer, Java Backend

About the job Software Engineer, Java Backend Job Description: Location: On-site, Hybrid. Start date: As soon as possible. Languages: Fluent in English. Join the Mineo Team Were Hiring! At Mineo, we are creating the future of recruitment with an innovative ...

Senior Backend Engineer (Go)

3 weeks ago Be among the first 25 applicants Our mission is to help dental and veterinary clinics make recurring payments as simple as paying by card. We want to make memberships (Plans) and patient finance seamless by ‘combining' workflows with cards and tapping existing patient data. Today, ...

Staff Software Engineer Backend

Overview P-1514 At Databricks, we are passionate about enabling data teams to solve the world's toughest problems — from making the next mode of transportation a reality to accelerating the development of medical breakthroughs. We do this by building and running the world's best data and ...

Backend Engineer, Senior (Rust)

Affinidi is a technology company dedicated to changing data ownership for good. We empower businesses and individuals with control and ownership of their data, with a comprehensive approach to managing their holistic identity – accounting for all aspects of their digital footprint while ensuring pri ...

Lead Backend Engineer (Node.js)

Hiring best in class techies for Enablis Who are we? Enablis is a technology delivery consultancy who partner with clients to accelerate digital roadmaps. By combining our deep knowledge and best practice experience with the client’s domain expertise, we are able to deliver tec ...

Software Engineer, Backend (London)

About Mistral At Mistral AI, we believe in the power of AI to simplify tasks, save time and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life. We democratize AI through high-performance, optimized, open-source and cutting-edge mode ...

Product Engineer (Backend biased)

About Metaview Metaview is the anti-toil company. Toil is the force that opposes progress — it is to progress as friction is to motion. Our answer to toil is Human-Computer Symbiosis. AI copilots will fundamentally change how work gets done: More flow-state, less toil. </ ...

Senior Backend Engineer FinTech

Senior Backend Engineer Location: London (Hybrid) Salary: Up to £130k + competitive equity Industry: Fintech, SaaS, B2B What You’ll Drive Join a fast-growing fintech scaleup revolutionising billing, CPQ, and revenue recognition for the world’s leading SaaS, AI, and fintech compani ...

Senior Software Engineer (Backend)

4 weeks ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. We're Civica and we make software that helps deliver critical services for citizens all around the world. From local to state government, to education, to health and care, over 5,000 publi ...

Senior/Lead Backend Engineer

In this role you will work closely within product to build the core digital infrastructure for a next-generation energy company. You will use your experience to engineer backend infrastructure that is second-to-none. You’ll be working across the back‑end: Constructing a real‑time digi ...

Staff Backend Software Engineer

About Freetrade Freetrade’s mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings. We’re changing that. We’re building our team and looking for people who are excited to ...

Senior Backend Engineer London

Model ML is the AI workflow builder transforming how major financial institutions produce and validate client-ready work. Model ML converts complex, manual processes into fully automated AI systems that scale across global teams. In under a year, Model ML has become one of the fastest growing enterprise AI ...

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