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Our backend tech stack is Spring Boot with Java/Kotlin/Groovy, MySQL and Opensearch, hosted on AWS. Our frontend is React with Typescript, and you will be expected to contribute small features to the frontend (though the role is at least 95% backend). You're an experienced engineer with multiple ye

We are looking for a Senior Backend Engineer to join our new Quantitative Sports team. As a Senior Engineer you will play a critical role in the development and maintenance of the backend aspects of the pricing system for our sportsbook and work alongside our quantitative analysts to deliver our in-

Compensation: Competitive, based on location and experience .Location: UK or Turkey (Hybrid – Office & Remote).Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale.Keepnet runs

The role involves the design and development of backend services and infrastructure for Machine Learning workloads.

Senior Backend Engineer – High-Scale Systems | Python & FastAPI | Security SaaS. Senior Backend Engineer – High-Scale Systems | Python & FastAPI | Security SaaS. They've completed Series A funding, raising $29 million across three funding rounds, and are now seeking a Senior Backend Engineer.

Backend Developer Romsey, Hampshire (Hybrid - 3 days office / 2 remote, flexible)£45,000 - £50,000 + BenefitsOOP, PHP, LaravelMy client build innovative SaaS solutions that help organisations monitor, manage, and optimise critical infrastructure.

Software Architect Java - BackEnd, Back End Google Cloud (GCP).

This role will focus on backend development, ensuring high-quality coding standards and performance. You will collaborate with product and design teams and contribute to both backend systems and mobile application development.

Working closely with product and frontend teams to integrate backend services into the platform experience. This is more than a backend engineering role – it’s a chance to be part of a team building technology that helps some of the world’s largest enterprises stay ahead of attackers. Senior B

A consulting firm is assisting a Central Government client in seeking a Senior Developer for an initial six-month assignment in Milton Keynes.The ideal candidate must hold active SC Clearance and possess strong skills in developing production-grade applications with Python, designing scalable servic

A leading tech company in Greater London is looking for a Mid-Level Backend Engineer to join their growing Engineering team. You will build and maintain backend services using Ruby on Rails, collaborating with product managers and frontend engineers to enhance customer experiences. Ideal candidates

You’ll be working in a team of backend engineers across MPG to spearhead the delivery and deployment of backend services for industry-leading game projects. Proven experience building backend infrastructure using infrastructure as code tools, e. Demonstrated mastery in at least one relevant area o

Candidates should have at least 3 years of commercial backend experience, strong skills in PostgreSQL, and familiarity with Agile methodologies. A leading tech recruitment agency is looking for a Backend Developer to join an agile team in Romsey, Hampshire.

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 of sexuality and relationships. You will be responsible for designing, building, and operating scalable,

A leading technology company in Greater London is seeking a Software Engineer III to develop and enhance Local Business back-end systems.The ideal candidate will have experience in software development, particularly with Java or Kotlin, and a strong background in distributed systems and large-scale

We’re looking for a Backend Engineer to join the User Fraud studio’s Eraser squad. Eraser is a distributed team of backend and data engineers across Europe. Build, deploy, and operate backend (Java) services that mitigate fraud and abuse at scale.

You'll be responsible for backend service development that supports new product capabilities and growth. This role requires 6+ years of experience in backend development, particularly with Java or Go, and a solid understanding of scalable systems and microservices.

A dynamic delivery service company in Greater London is seeking a Backend Engineer to join their Promotions team. This role is focused on backend development, ideally with expertise in Golang.

A leading technology firm in London is seeking talented software engineers to join their front office trading technology team.The role involves building server-side systems that drive trading workflows used by internal traders and external counterparties.The ideal candidate will have over 10 years o

We're looking for a Senior Backend Engineer to help shape the core of the product. Designing and building scalable backend systems in Node.

You will work closely with the game team and technical leads to create and explore new and exciting backend services, working on groundbreaking projects with cutting-edge technologies. Delivering high-performance, secure, and maintainable backend services through technical innovation, creative think

In this role, you will design and maintain robust backend services and APIs using Scala and Play Framework.

Our backend engineers have a variety of different backgrounds. We're usually always hiring for Backend Engineers, so there's no closing date for this job. As a backend engineer you’ll work in a squad alongside other disciplines like product managers, marketers, user researchers, designers, mobile

Design, implement, and maintain backend platform services in Go. Ensure backend services are secure, observable, testable, and operationally reliable. Proven experience building production APIs and service-oriented backend systems.

Senior Software Engineer I - Backend (Java) - Business Accounting Integrations and Reporting. Strong proficiency in backend programming languages like Java, Python or Go.

As a Backend Engineer on Spotify's Subscriptions team, you'll build the systems that power premium memberships for hundreds of millions of users worldwide.

The successful candidate will leverage their experience in backend development using modern programming languages like Go, Java, and Python.

The position as a Backend Python Developer is a permanent full-time position.

The ideal candidate will have 8+ years in backend experience, expertise in Ruby and Node. A leading technology company in London is seeking a Lead/Senior Backend Engineer to scale its customer communication platform.

In this role, you'll work on backend architecture, APIs, and data systems while collaborating with a global engineering team.

You’ll get involved wherever the problem lives—product, frontend, backend, or infrastructure.

A leading UK Charity is seeking an Application Support Engineer/Developer to provide technical support for the iTrent HR and payroll system.This role is 100% remote and involves troubleshooting, developing custom solutions, and collaborating with various teams to enhance the system.Ideal candidates

Join as the second backend engineer to build production-grade infrastructure for real-time voice interpretation.

A fast-growing fintech startup is seeking a Backend Product Engineer to architect and build core backend systems for a new product line.

Ideal candidates will have experience in game development, backend services, and cloud platforms like AWS. A gaming company is seeking a fully remote Senior Backend Engineer based in the UK or EU. The role involves working with a team to develop backend services for exciting game projects and contri

A leading financial tech scale-up in Greater London is seeking Mid and Senior Python Developers to join its backend team.

A cutting-edge technology company in Greater London is seeking a skilled backend developer to architect AI frameworks and rapidly prototype novel AI interfaces.

A leading insurance provider in Greater London is looking for a skilled Backend Developer to enhance and maintain their custom-built online platform.

A major financial institution in Greater London is looking for a skilled software engineer to transform and enhance its trade processing platform to a cloud-native code-base.The ideal candidate will have strong skills in Java, software development life cycle, and automation techniques.Responsibiliti

A pioneering AI solutions firm in the UK seeks a Backend Engineer to design and build the core infrastructure necessary for large-scale AI systems. Ideal candidates will have over 4 years of experience in backend systems, proficiency in Python or TypeScript, and familiarity with cloud services.

The ideal candidate will have a strong background in Python and SQL, with extensive experience in developing and maintaining robust backend systems.

A growing SaaS platform provider in Central London is seeking a Principal Engineer to guide the technical direction of its product.The successful candidate will be essential in delivering high quality solutions, mentoring engineers, and contributing to architectural decisions.Key skills include prof

At ClickUp, we’re not just building software.We’re architecting the future of work! In a world overwhelmed by work sprawl, we saw a better way.That’s why we created the first truly converged AI workspace, unifying tasks, docs, chat, calendar, and enterprise search, all supercharged by context-

Senior Product Engineer [Backend]. You will own product areas end-to-end in a PM-free environment, designing secure backend systems for a platform used by Stripe and Canva. Design and implement scalable backend architectures using Golang and AWS to support hyper‑personalized marketing campaigns at

A recruitment agency is looking for a Backend Engineer to work on an exciting greenfield replatforming project for a major retail brand.

A leading gaming company in the UK seeks an experienced Software Engineering Leader to provide technical leadership and manage a team of server engineers.Responsibilities include architecting core online systems, overseeing CI/CD pipelines, and leading application services.The role is hybrid, combin

You will design and build the core on-chain and backend systems that power a perpetual exchange, with a focus on correctness, performance, and simplicity. Strong backend fundamentals (APIs, distributed systems, async systems).

A global gaming company is looking for an experienced Staff Server Engineer to lead a team for the Monopoly GO! mobile game.You will manage engineering efforts, implement features, and ensure best-in-class performance.Ideal candidates will possess 6+ years in game development, experience in managing