Senior Full Stack Developer - PHP & React

About Us At C-Link, we?re revolutionising construction procurement by automating workflows and transforming how subcontractors win work. As a fast-growing ConTech company, we operate two key brands:

C-Link (www.c-link.com) ? Procurement software for main contractors and developers.
Prosper (www.weallprosper.co.uk) ? A marketplace and lead generation platform for subcontractors.

With ambitious growth plans and a mission to redefine construction procurement, we are expanding our team and looking for a Senior Full Stack Developer with strong backend expertise in PHP and solid React experience to lead backend development, mentor junior developers, and help drive technical excellence. This role will report directly to our CTO.

The Role

We are looking for a talented and passionate Senior Full-Stack Developer with at least five years of experience in PHP and React to join our expanding team. This is a fantastic opportunity for someone with strong backend skills, leadership experience, and a passion for mentoring.

As the second-in-command for backend development, you will play a key role in shaping our technical direction, ensuring best practices, and actively levelling up those around you. You?ll work closely with our CTO (Rob) and contribute to the overall success of our engineering team.

This Role Is Ideal For Someone Who Is - A strong backend developer with PHP expertise.

Experienced in leading teams, mentoring, and coaching junior developers.
A great communicator who thrives in a collaborative environment.
Friendly, extroverted, and proactive in contributing to a close-knit team.
Ideally located in the South East UK (West Sussex, Surrey areas).

What You?ll Be Doing

Lead backend development efforts using PHP, ensuring robust and scalable solutions.
Develop and maintain responsive front-end interfaces using React.
Mentor junior developers and foster a culture of knowledge-sharing.
Collaborate with the team to define project requirements and deliver high-quality solutions.
Conduct code reviews and champion best practices.
Proactively identify and resolve technical challenges.
Work closely with the CTO and Team Lead to shape technical strategy and improve backend architecture.

What We?re Looking ForEssential Skills - 5+ years of PHP development experience, ideally with frameworks like Laravel, Symfony, or custom middleware.

5+ years of React.js experience, including Hooks, Context API, and state management libraries (e.g., Redux).
Proficiency in JavaScript (ES6+), HTML5, CSS3, and Sass.
Strong relational database design experience (MySQL).
Familiarity with API design and integration (RESTful services, OAuth, JWT authentication).
Experience working in a team leadership or mentorship role, coaching developers and sharing knowledge.
Strong communication skills, able to work effectively in a collaborative team environment.

Desirable Skills - Experience with AWS services (e.g., ECS, RDS, S3, CloudFormation).