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 a Senior Full Stack Engineer to help shape and scale our technology platform as we pursue our ambitious vision.

In this role, you'll take a leading hand in both frontend and backend systems delivering high quality development and thoughtful technical solutions across the product lifecycle. While your primary focus will be coding and architecture, you'll also support and guide other developers, helping to foster a culture of quality, curiosity, and continuous improvement.

You're a skilled individual contributor and a collaborative technical champion, someone who enjoys working closely with others 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 front-end and back-end 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 both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases

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

• Knowledge of CMS would be a bonus

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

• You're 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

• Paid for AI Subscription (Claude / ChatGPT / Gemini)

• Market-Leading Training Programme

• Recognition & Reward Scheme

• Annual Company Conference

• 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 -----

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