Full Stack Engineer PHP/Javascript

**Senior Full Stack Engineer** Role Type: Full\-Time Regular Employment Setup: Fully Remote Duration: Open\-ended, Long term Hours: 40 hours per week Schedule: US Eastern Time (EST) Rate: USD 3,500\-4,000 per month **Position Overview:** The Senior Full Stack Engineer will play a critical role in designing, developing, and maintaining our client’s core business applications. We are looking for a true systems analyst who thrives on solving complex business challenges and translating them into robust, scalable, and high\-performing technical solutions. This individual must be highly comfortable working with **pure code without relying on frameworks** , especially in areas where the company prefers clean, raw implementations. The ideal candidate should have strong foundational skills in **vanilla JavaScript** , pure **PHP** , and writing code from scratch without the support of abstractions or libraries. You will work across both the front\-end and back\-end of modern web applications using **PHP, MySQL, PostgreSQL, SQL, and React** , collaborating with cross\-functional teams to deliver efficient and maintainable systems. Strong English communication skills are essential for interacting with internal stakeholders, product owners, and developers across global teams. **What You Will Do:** The individual in this position will be expected, on a regular basis, to: * Design, develop, and maintain back\-end functionality for enterprise\-level business applications using **PHP in pure form** , avoiding unnecessary frameworks when required. * Build and enhance interactive, responsive front\-end interfaces using **vanilla JavaScript** , along with React when applicable. * Develop and optimize databases using **MySQL and PostgreSQL** , including schema design, complex queries, indexing, stored procedures, and performance tuning. * Write clean, well\-structured, and well\-tested code without depending heavily on frameworks, ensuring clarity and maintainability. * Troubleshoot, debug, and optimize applications for speed, scalability, and long\-term stability. * Participate in architectural discussions and contribute to decisions involving raw code structure, system design, and best practices. * Collaborate with engineers, product managers, and stakeholders to ensure the product is performant, reliable, and aligned with business goals. * Stay updated with evolving best practices in **no\-framework development** , JavaScript, PHP, SQL, and full stack engineering. * Mentor and guide junior developers, especially in understanding code fundamentals and building solutions without relying on frameworks. * Prepare and maintain clear and detailed technical documentation. **What You Will Bring:** * Proven ability to write clean, well\-documented, and well\-tested **pure code** in both PHP and JavaScript (examples may be requested). * Strong knowledge of **vanilla JavaScript** , DOM manipulation, event handling, and building functionality without libraries. * Expertise in **MySQL, PostgreSQL, and SQL** , with hands\-on experience designing and maintaining relational databases. * Proficiency with React or modern front\-end frameworks, while still having the ability to work without them when needed. * Experience with object\-oriented programming (OOP) and design patterns. * Excellent analytical, problem\-solving, and debugging skills. * Strong English verbal and written communication skills. * Ability to clearly explain technical concepts to both technical and non\-technical audiences. * Experience working in agile, team\-based environments. * Knowledge of the logistics, supply chain, or transportation industry is a plus. * A strong sense of ownership, attention to detail, and a passion for writing beautiful code. * Comfortable working in a remote, fast\-paced, globally distributed environment. **Minimum Qualifications:** * 10\+ years of experience in full stack development. * Hands\-on experience with **pure PHP** , **vanilla JavaScript** , **MySQL** , **PostgreSQL** , **SQL** , and **React** in production environments. * Demonstrated ability to build solutions from scratch without relying on frameworks. * Proven experience leading complex projects from concept to deployment. * Strong understanding of SDLC principles and agile methodologies. * Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).