Full Stack Engineer

Our Company
At Quantum, we connect global brands with high-intent consumers. We turn intent into action and complexity into clarity.

Our Mission is clear, to help smarter, faster buying decisions. Our vision, to be the world’s most used digital comparison service, delivering value and simplicity to millions.

We drive growth through data-driven affiliate marketing built for performance from day one. Every campaign is measurable, optimised in real time, and designed to scale.

With in-house tech, full-stack analytics, and a compliance-first mindset, we give our partners an edge. We drive confident decisions and growth in regulated and high-growth sectors. We’ve helped ambitious brands grow faster, smarter, and globally.

The Role

Our Technology team is growing and we'd love you to grow with us. We're looking for Full Stack Engineers to help meaningfully scale our technology platform in support of our ambitious goals.

In this role, you'll take a leading hand in both front-end and back-end systems delivering high-quality development and thoughtful technical solutions across the product lifecycle. Alongside your core focus on coding and architecture, you'll support other developers, contribute to technical decision-making, and help foster a culture where best practices are understood and shared.

You'll be a skilled individual contributor and a collaborative technical champion someone who enjoys working closely with teams to build scalable, efficient, and well-crafted applications using modern frameworks and tools.

Key Responsibilities

• Lead by example as a hands-on developer, contributing to both frontend and backend codebases

• Shape architecture and system design for web applications, with a focus on scalability, security, and performance

• Mentor and support other engineers, championing code quality through thoughtful reviews and shared best practices

• Design and implement responsive, user-friendly web interfaces using modern JavaScript frameworks (Next.js, React)

• Partner with UX/UI designers to bring designs to life as functional, intuitive experiences

About You

• Strong expertise in JavaScript frameworks such as React, Vue.js, or Angular, with solid proficiency in HTML, CSS, and responsive design

• Solid experience with Node.js, Express.js, and building RESTful APIs or microservices

• Comfortable working with SQL (PostgreSQL, MySQL) or NoSQL (MongoDB) databases

• Experience integrating automated tests into CI/CD pipelines (e.g. Jenkins, CircleCI, GitLab CI) and familiarity with containerisation tools like Docker

• You do your best work as part of a team and enjoy sharing knowledge as much as gaining it

• Comfortable navigating ambiguity and a fast-moving environment

• Excellent written and verbal English skills

• Collaborative and grounded — you value others' perspectives and create space for them

What You’ll Get

• Private Health Care (Bupa)

• Hybrid Working (3 days in office)

• Travel Insurance

• Competitive Base Salary

• Company Bonus Scheme

• Market-Leading Training Programme

• Recognition & Reward Scheme

• Annual Company Conference (previous destinations: Vienna, Bologna, Dubrovnik, Thessaloniki)

• Regular Happy Hours & Team Lunches

• Free Coffee, Drinks & Snacks

What’s the next step?

Our hiring process ensures we're recruiting the right people for the role. We ensure that people are as suitable for us as we are for them.

If you like the sound of what we're all about at Quantum and want to join a team where you can make an impact, please apply or contact us at [email protected].