Full-Stack Developer (Potential CTO Track) - PHP, JavaScript.Our client is an early-stage, fast-growing company building high-performance web-based applications. They're assembling a small, elite technical team to lead the development of cutting-edge browser experiences with a strong focus on performance, interactivity, and clean architecture.The team is remote-first, product-driven, and values speed, clarity, and thoughtful engineering. For the right candidate, there’s a clear track to a CTO-level leadership position.You'll work closely with the founders to design and build browser-based applications that deliver real-time interactive experiences. You’ll be a key part of early architectural decisions, with full input on both front-end and back-end development.This is an opportunity to make a significant technical and strategic impact from day one.Responsibilities:Build robust, scalable browser-based applications using JavaScript or TypeScript.Develop back-end services (ideally in PHP, but flexible depending on your strengths).Design systems that support real-time data flow and responsiveness.Collaborate with a small, high-trust team to ship features quickly and iteratively.Establish and evolve engineering standards and best practices.Take ownership of technical direction, with room to grow into a leadership role.Requirements:3+ years of full-stack development experience.Strong skills in front-end JavaScript or TypeScript and component-based frameworks.Experience building or maintaining back-end APIs (ideally in PHP or a similar backend stack).Good understanding of asynchronous communication (WebSockets, REST, etc.).Comfortable in fast-paced, agile environments with high autonomy.Strong communication and problem-solving skills.Bonus Points For:Experience with graphics, animation, or real-time browser rendering.Familiarity with HTML5 game engines or custom canvas work.Knowledge of cloud platforms (e.g., AWS, Vercel) and CI/CD pipelines.Interest in mentorship, leadership, or stepping into a CTO-track position.Benefits:Remote Working Share optionsExcellent career progressionFull-Stack Developer (Potential CTO Track)