Senior Full Stack Developer (PHP + React.js)

STACK IT Recruitment • Waterloo, ON

9h • CA$110,000 - CA$130,000 • Hybrid

About The Position

We're partnering with an established software company seeking a Senior Full Stack Developer to help enhance and evolve enterprise web applications used within the education sector. Working as part of a collaborative product team, you'll contribute to the continued development of a mature application while helping introduce new features, modern APIs, and scalable integrations. This role combines hands-on development with technical problem-solving, giving you the opportunity to influence application architecture while modernizing an established platform for future growth. If you enjoy improving existing systems, building thoughtful solutions, and working across the full technology stack, this is an opportunity to make a meaningful technical impact.

Requirements

• 6+ years of professional Full Stack development experience, with strong commercial expertise in PHP and React
• Experience designing and developing scalable web applications, RESTful APIs, and enterprise software solutions
• Strong understanding of relational databases, including MariaDB, MySQL, or similar technologies
• Experience working with modern software architecture and distributed application design
• Familiarity with Git, CI/CD pipelines, and Agile development methodologies
• The ability to translate business requirements into practical, well-designed technical solutions
• Strong analytical, troubleshooting, and problem-solving skills
• Excellent communication skills with the ability to collaborate across technical and non-technical teams
• A proactive mindset with a strong sense of ownership, accountability, and attention to detail

Nice To Haves

• Experience designing software architecture and contributing to technical solution design
• Node.js development experience or exposure to modern JavaScript backend frameworks
• Experience with Docker, virtual machines, or containerized development environments
• Familiarity with modern frontend tooling, including Tailwind CSS or Figma
• Experience implementing or improving CI/CD pipelines within a development team

Responsibilities

• Design, develop, and maintain enterprise web applications using PHP and React
• Build and enhance RESTful APIs and backend services supporting modern web applications
• Develop responsive, user-friendly interfaces with React and modern frontend technologies
• Modernize existing application components by introducing scalable integrations and improving system architecture
• Work with MariaDB, MySQL, and related backend technologies to deliver reliable, high-performing applications
• Collaborate with Product to translate business requirements into practical technical solutions
• Participate in application architecture, feature design, and technical planning discussions
• Perform code reviews, troubleshoot complex application issues, and promote clean, maintainable code
• Contribute to CI/CD improvements, development standards, and technical documentation

Benefits

• Competitive vacation package with additional time awarded based on tenure.
• Comprehensive health, dental, and vision coverage from Day One, plus a Healthcare Spending Account.
• Annual professional development allowance to support continued learning and career growth.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed