backend software engineer jobs in West Sussex

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...

Backend Software Engineer UK Remote 6 Month Contract A fantastic contract role has opened up for a highly skilled Backend Software Engineer with strong expertise in Go. This is an exciting chance to join a leading technology company known for its high engineering standards and innovative approach to distributed systems. In this position, the Backend Software Engineer will play a central role...

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

What are we building? Hard Rock Digital is a team focused on becoming the best online sportsbook, casino, and social gaming company in the world. We're building a team that resonates passion for learning, operating and building new products and technologies for millions of consumers. We care about each customer's interaction, experience, behavior, and insight and strive to ensure we're always...

Senior Backend Engineer / Developer (TypeScript Node.js) Remote UK to £80k Are you a senior, hands-on Backend Engineer looking for an opportunity to take ownership and progress your career at a scaling tech company? You could be joining a growing games company that combines state of the art technology, gaming and luxury fashion. As a Senior Backend Engineer you'll join the team as they scale...

Senior Backend Engineer – Join a profitable FinTech Scale-Up Up to £100,000 Remote working – once a month onsite in London Python, PostgreSQL FastAPI, Django We're partnered with a leading FinTech scale-up who are transforming how small businesses access finance to grow and scale. The business is backed by a strong track record and with an ambitious mission, they've successfully provided...

About the Role If you're looking for a fully remote contract opportunity working as Compiler Developer / Engineer, then we'd love to hear from you! The role will involve working on a custom tech stack for cutting-edge GPU technologies. You'll contribute to maintaining and evolving the GPU compiler stack, focusing on backend development. What You'll Be Doing - Developing and maintaining GPU...

Lead Backend Engineer – £85K – Fully Remote (UK) - Go/ AWS I am exclusively supporting a Product Company who are looking for a Lead Backend Engineer to join their engineering team and take the reigns on a number of projects. They are an established company who have a family feel and great engineering culture. They are on the hunt for a hands-on Lead who can drive a flagship project, support in...

Backend Developer – Golang / Python / Java / Tech-First Fintech – Inside IR35 Our client is a leading, tech-first fintech building backend systems that power millions of users every day. They are looking for a Backend Developer with experience in Golang, Python, or Java who can contribute to scalable, high-performance systems and help deliver impactful products. Key Responsibilities: - Build...

You will lead a team working across Python, Go, modern data architectures, and cloud-native infrastructure. If you enjoy designing systems that scale, mentoring engineers, and influencing product direction, we want to talk to you.

You will shape the core architecture of the platform.

Up to £90,000 Remote, UK & Ireland No Sponsorship Opportunities We're hiring for our client, a fast-growing global payment processing platform that's scaling rapidly after a major acquisition. They're on the lookout for talented .NET Software Engineers to join their journey of building the next generation of API-driven, merchant-first technology. Why join them? They believe empowered teams...

Product Engineer - Go, Typescript, Postgres, Node, React UK Remote first, London Joining a company that is making a priority to change and make tax automation smoother for businesses everywhere. Theengineering team is building scalable, reliable APIs that will power their platform in making the workflows more efficient. They are now looking for several Software Engineers who thrive on solving...

We're Hiring: Fullstack Software Engineer Fully Remote | Full-Time | HealthTech | TypeScript Stack Salary Range: Up to 100.000 GROSS annually (depends on experience). Are you passionate about building seamless, high-impact systems that power real-world change? Do you thrive at the intersection of backend and frontend development? We're looking for a versatile Fullstack Software Engineer to...

Senior Software Engineer .Net Location: UK remote | We are working with a high-growth global fintech, renowned for delivering world-class payments-related software and technology. This company is building the next generation of capabilities that power a merchant-first ecosystem. They believe that focused, empowered teams can achieve great things. You'll be joining a curious, driven, and...

Code Wizards are one of the world's leaders in Game and Esports Tech. We're in a period of growth and looking to bolster our software engineering capabilities. We are on the lookout for an experienced Unreal Engine Engineer to join our team on a freelance/contract basis. This role is all about multiplayer, networking, and crossplay, the backbone of truly connected gameplay. It offers the...

You should have at least a few years of experience building real things.

You should be comfortable with serverless or containerised environments, and ideally you've worked with Azure before.

You should be okay with ambiguity, and you should enjoy collaborating with people who care about what they're building.

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...

You will be responsible for building scalable, high-performance Back End systems that power their banking platform.

Backend Engineer Remote, UK 6 Month Contract An incredible opportunity for an experienced Backend Engineer with advanced Go skills to join a prestigious tech client on a contract basis. This company is renowned for its engineering excellence - and it's not just the tech stack or the day rate that stands out. Contractors here regularly speak highly of the fast-moving, collaborative culture where...

Senior Backend Engineer UK Remote 6 Month Contract A fantastic contract role has opened up for a highly skilled Senior Backend Engineer with strong expertise in Python or Java. This is an exciting chance to join a leading technology company known for its high engineering standards and innovative approach to distributed systems. In this position, the Senior Backend Engineer will play a central...