Back-end Developer jobs in Leeds, West Yorkshire

You will be working closely with the Lead Backend Developer and in a small team whilst collaborating with various individuals across the wider team. This is a hybrid role working in their Central Leeds based office working 3 days a week. As Backend Developer, you will be responsible for:

Lead Software Engineer London-based or Remote within the UK (no visa sponsorship) We’re working with a mission-driven energy tech start-up that’s reimagining how power is monitored, billed and delivered. Backed by angel investors, my client is building digital tools that support modern energy infrastructure in markets underserved by traditional utilities. This is a founding role. As the Lead...

We're a UK based, profitable and fast growing company that began as a small bootstrapped AI startup in 2023. Nowadays, we're a relatively small team (10) of talented individuals located in London, Brighton and Bratislava. In a period of significant growth, we're looking for another talented engineer to help us scale further and allow the company to help even more job seekers save time by...

Backend Web Developer This is an initial Fixed-term Contract (6-12 months) with the view to make it permanent. Location: Fully Remote (UK) Salary: £38,000 - £48,000 (DOE) The role: We enjoy making the complex simple for our clients. We create websites, campaigns and digital products for professional services clients, arts, fashion, and e-retailers. You’ll be joining an experienced,...

Senior Backend Engineer | Fully Remote | Full Time Are you a seasoned backend engineer with a passion for building scalable APIs and robust backend systems? We’re looking for a Senior Backend Engineer to join our development team and help shape the future of our platform. What You’ll Do - Design, develop, and maintain high-quality APIs and backend services - Architect scalable software...

· Hands-on experience and proficiency with C# .Net specifically Azure Cloud usage. · Databases: Azure Cosmos DB, Snowflake, Azure Data Factory · Cloud Services: Azure - Azure Functions, Service Bus, Azure Storage, Key Vault · CI/CD: Azure DevOps · Solid understanding of software development methodologies. · Knowledge of RESTful APIs and microservices architecture. · Strong understanding of...

You will be joining the small but scaling backend engineering team, you'll play a key role in building the services that power the payments platform. With the companies product growing at such a rapid rate, you will be taking on complex technical challenges and building system that is robust and able to scale.

You will be a key player in designing, developing, and maintaining critical backend services. Your expertise in JavaScript and Spring Boot will be essential for creating robust RESTful APIs and event-driven microservices deployed on AWS. We are looking for a developer who is passionate about embedding security, observability, and automation directly into the development lifecycle.

Go Backend Engineer (Data Platform & APIs) - Northern Ireland (Remote-first) * Salary: £75,000-£150,000 + bonus + benefits About the Company: Our client is scaling an ML-driven data and analytics platform and modernizing their engineering standards. Their current stack includes Python, GoLang, TensorFlow, PyTorch, AWS, and Kubernetes, with a focus on building scalable, ML-driven data and...

You will work alongside a cross-functional team of backend engineers, product managers and data scientists to deliver high-quality, scalable, and reliable solutions that meet the needs of their customers.

About Aero A digital experience company, we sit at the intersection of insights, creativity and technology, crafting digital experiences that transform business performance. We’re a small, fully remote team with big ambitions. We work hands-on with our clients, giving our teams genuine ownership of their work. Every project you touch will be seen by thousands of people and will directly...

You will be joining an experienced, collaborative team working on recognised digital products applying Extreme Programming (XP) principles such as pair programming, test-driven development (TDD), continuous integration, and collective code ownership.

Location: Flexible/Remote - US/Eastern time zone THINKalpha is reshaping the capital markets. Our platform enables generative content using dynamic data. The core of our platform includes financial search, streaming analytics and is accompanied by both data and transactional frameworks. We are currently seeking a talented Front End Web Developer with a strong technical background and a passion...

You will be joining an experienced, collaborative team working on recognised digital products applying Extreme Programming (XP) principles such as pair programming, test-driven development (TDD), continuous integration, and collective code ownership.

Excellent opportunity for Front-End Developer looking to join a forward-thinking company producing award-winning software used by leading businesses across the globe. The successful Senior Frond Developer will need to have extensive commercial experience using ReactJS and should be comfortable working to their own initiative but also happy to mentor and offer guidance to the more junior members...

Front-End Contractor (React / Next.js) Location: Remote (UK based candidates only) Contract: Outside IR35 Day Rate: Up to £400 per day I am currently looking for an experienced front-end developer to help deliver key product features at speed for one of my start up clients. You’ll work on high-impact UI components and collaborate with design, backend, and AI teams to create interfaces for...

Job Description: We are seeking an experienced AWS .NET Core Developer with strong expertise in building modern, cloud-native applications. The ideal candidate will have hands-on experience in serverless architectures, DevOps pipelines, and a strong backend development background using .NET Core. Knowledge of frontend frameworks such as React or Blazor is an added advantage. Create Job...

EdTech Frontend Developer – Vue/Nuxt (Mid-Level+) I am looking for a Frontend Developer with 2+ years' experience working with modern web technologies to join my clients team who are in the EdTech space! Vue.js & Nuxt 4 (Vite, Composition API, Pinia, Nuxt Plugins) TypeScript / JavaScript (ES6) – clean, maintainable, typesafe code Responsive UI using HTML, TailwindCSS, and CSS3 Bonus if you’ve...

Leading Sustainable E-Commerce | 35 Million Users | Mid & Senior Back End Engineers | TypeScript/Node/AWS | Up to £100K + Bonus | REMOTE (UK) or 1 Day Per Week (LDN) Company Our client is an extremely well known, digital marketplace focused on sustainable ecommerce. With over 35 million of active users globally, they’re redefining how people buy and sell second-hand fashion, aiming to make the...

Senior Front-End Software Engineer (React / TypeScript) Location: Remote (1 day per month in Oxford, UK) Type: Permanent | SaaS | Global Tech Company Are you passionate about building exceptional, scalable front-end applications? Our client — a leading SaaS company based near Oxford — is expanding and looking for a Senior Front-End Software Engineer to help shape the future of their...