backend developer jobs in Leeds

Senior Backend DeveloperWe’re looking for an experienced Magento backend developer to help lead the delivery of high-quality e-commerce solutions and mentor a growing team.About JHJH is an e-commerce agency dedicated to helping growth-orientated brands make their next strategic breakthrough. We specialise in building, maintaining, and enhancing online...

Tether, the founder of the first, largest, and most widely used stablecoin USD₮, is rapidly expanding into a wide range of sectors, including secure and unstoppable communication technologies, energy production, mining, and further fintech infrastructure. All of these themes share and are deeply rooted in the principles of Bitcoin, which include...

Bitfinex is a digital asset trading platform offering state-of-the-art services for digital currency traders and global liquidity providers.Founded in 2012, Bitfinex was one of the first professional platforms set up to accommodate for the booming interest in cryptocurrency trading. Since then, our team has gained invaluable experience whilst cementing our...

Tether stablecoins are used to power a wide variety of enterprises, including exchanges, wallets, payment processors, and financial services, by facilitating the use of reserve-backed tokens across blockchain networks. Tether stablecoins offer a global, secure, and instant means of storing, transmitting, and receiving digital tokens at a fraction of the cost...

Tether stablecoins are used to power a wide variety of enterprises, including exchanges, wallets, payment processors, and financial services, by facilitating the use of reserve-backed tokens across blockchain networks. Tether stablecoins offer a global, secure, and instant means of storing, transmitting, and receiving digital tokens at a fraction of the cost...

Join BLP Digital — The #1 Solution for ERP AutomationBLP Digital is redefining ERP automation with agentic AI. Spun out of ETH Zurich and HSG, we build AI agents that automate finance, procurement, logistics, sales, and more for some of the world's largest enterprises. We solve real enterprise problems with cutting-edge technology and a strong sense of...

About Air AppsAt Air Apps, we believe in thinking bigger - and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal, in 2018 - and now with...

At The Multiplayer Group (MPG), we create world-class multiplayer experiences through Co-Dev and Full-Dev partnerships. Our people-first culture supports a diverse, global team in a welcoming and flexible work environment. With teams spread worldwide, we prioritise connection—both online and in person. Giving back is central to who we are, with a focus on...

Job Title:AI Assisted Software Developer Location: Leeds 2x a week - Tuesdays and Thursdays Salary/Rate: Up to £600 daily Inside IR35 Start Date:12/10/2026 Job Type: Initial 3 month contract with likelihood of extension and to be converted to perm *Candidates applying must be able to work on site to Leeds every Tuesday and Thursday. Company...

Company DescriptionWhen you join Turnitin, you'll be welcomed into a company that is a recognized innovator in global education. For over 25 years, Turnitin has partnered with educators and institutions to develop learning integrity solutions that recognize the enduring value of critical thinking in a rapidly changing world. Over 16,000 academic...

Full Stack Engineer - Python, AWS, React £500/day | Inside IR35 | Until March 2027 | 1x/Month in Leeds ROLE OVERVIEW Brio Digital are supporting a consultancy who are looking for an experienced Full Stack Software Engineer with strong React and Python skills and a solid understanding of cloud-native architectures. You'll design, build, test and operate...

DescriptionAt The Multiplayer Group (MPG), we create world-class multiplayer experiences through Co-Dev and Full-Dev partnerships. Our people-first culture supports a diverse, global team in a welcoming and flexible work environment. With teams spread worldwide, we prioritise connection—both online and in person. Giving back is central to who we are, with...

DescriptionABOUT QUANTUMLOOPAIQuantumLoopAI is one of the UK's fastest-growing healthtech companies. Our AI-powered platform, EMMA, is used by hundreds of organisations across the UK to manage communications, automate workflows and deliver better outcomes through intelligent automation. Backed by leading investors and scaling rapidly ahead of our Series A,...

Methods is a £100M+ IT Services Consultancy in the UK seeking Backend Developers to build secure, scalable digital services used by millions. You’ll design and implement backend APIs with TypeScript, leverage serverless architectures on AWS, and work in a multidisciplinary team across government and private sector clients.You will contribute to CI/CD...

Company DescriptionAre you ready to join the forefront of technology innovation with Netcompany?  As one of the fastest-growing technology companies, we are disrupting the marketplace and revolutionising the way businesses operate. Our vision is to be the leading digital challenger in Europe whilst evolving the next generation of IT consulting.Operating...

Ilir Sela started Slice with the belief that local pizzerias deserve all of the advantages of major franchises without compromising their independence. Starting with his family’s pizzerias, we now empower over tens of thousands of restaurants with the technology, services, and collective power that owners need to better serve their digitally minded...

About Fluent Software Group Fluent Software Group is part of Valsoft Corporation's family of vertical market software businesses, focused on building specialized, reliable software solutions for targeted industries. We balance product innovation with operational dependability. We operate a portfolio of vertical market software businesses across Europe...

 Job Description: We are looking for a Full Stack Developer to help build and scale our AI agent platform. You will be responsible for developing the features that allow our agents to "think" and "act" across our customers' ecosystems. This is a role for a builder who is excited by the challenge of integrating LLMs into robust,...

Salary: £61,000 - 101,000 per year Requirements Strong commercial experience with Ruby and Ruby on Rails. Professional experience with other backend technologies, such as Node.js, Python, Java, or .NET. Strong experience with PostgreSQL/MySQL and database optimisation. Experience with REST APIs, microservices, and distributed systems. Experience with...

MetalBear is remote-first, early-stage, and product-led. We're building mirrord, a Kubernetes development platform that lets developers and AI coding agents run code against a live cluster before it's deployed.The problem we solve is the wait. In any organization running microservices, checking whether a change actually works means building an image, pushing...