Senior/Lead Full-stack Developer (Next.js/Medusa.js)

Join WinTech Digital as a Senior/Lead Full-stack Developer

At WinTech Digital, we are dedicated to advancing cognitive enhancement through our flagship product, CerebrumIQ. This personalized brain training platform is designed to assess and enhance key cognitive abilities such as reaction time, logic, memory, concentration, and speed. By offering detailed IQ assessments and engaging, scientifically-backed games, we empower individuals to unlock their full cognitive potential.

About the Role

We are searching for an experienced Senior Full Stack Developer focusing on Next.js for the Front-end and Node.js/Medusa.js/Strapi for the Back-end. The ideal candidate will play a key role in the continued enhancement of our digital presence, assuming full responsibility for developing and managing our online store.

Key Responsibilities

• Develop and maintain a high-quality, responsive e-commerce platform using Next.js and hosted on Vercel.
• Engineer robust back-end solutions using Medusa.js and Strapi, ensuring seamless, scalable performance.
• Design and implement custom payment and fulfillment plugins for Medusa.js, facilitating efficient transaction processing.
• Collaborate with cross-functional teams to integrate new features and improvements aligned with business goals.
• Optimize applications for maximum speed, scalability, and reusability.
• Lead and mentor a team of full-stack developers, providing technical guidance and code reviews.
• Drive technical decision-making and architectural choices for the project.
• Collaborate with product managers to translate business requirements into technical specifications.
• Establish and enforce coding standards, best practices, and development processes.
• Identify and proactively address technical debt and scalability issues.
• Manage, develop, and maintain all server-side components.
• Design, implement, and manage RESTful APIs for web services.
• Manage database design, build schemas, and querying.
• Develop UI applications using Next.js for the Frontend.
• Ensure high performance, scalability, and reliability of UI applications.
• Participate in Architecture Definition meetings.
• Participate in Kanban ceremonies (Daily / Retro).
• Review project architecture and facilitate architecture improvement meetings as a result.

Essential Skills & Qualifications

• Strong proficiency in JavaScript, particularly in Next.js and Node.js frameworks.
• Solid understanding of building scalable e-commerce solutions, payment gateway integrations, and fulfillment processes.
• Demonstrable experience in full-stack development with the ability to manage complex projects.
• Ability to identify and troubleshoot software issues effectively.
• Excellent communication skills and the ability to work collaboratively in a dynamic team environment.
• Strong experience in full-stack development, with at least 2 years in a leadership role.
• Proven track record of successfully leading and delivering complex software projects.
• Strong architectural skills with the ability to design scalable, maintainable systems.
• Demonstrated ability to mentor and develop junior and mid-level developers.
• Experience with performance optimization and scalability of both frontend and backend systems.
• Knowledge of security best practices and their implementation in web applications.
• Familiarity with DevOps practices and tools (e.g., Docker, Kubernetes, Jenkins).
• Strong problem-solving skills and the ability to make critical decisions under pressure.
• Excellent leadership and interpersonal skills, with the ability to motivate and inspire a team.
• Deep knowledge of Web UI technologies, including React and Typescript.
• Familiarity with browser rendering behavior and performance optimization.
• Understanding of REST API and RESTful API design.
• Solid understanding of Git version control.
• Excellent communication and collaboration skills for remote cross-functional teamwork.
• Passion for innovation and staying updated with emerging technologies.
• Focus on quality, attention to detail, pixel-perfect implementation, and meeting user needs.
• English proficiency at an intermediate level or higher.

Preferred Qualifications

• Prior experience with e-commerce, RPO products, or pharmaceuticals is a plus.
• Hands-on experience with Medusa.js, Strapi, and front-end development hosted on Vercel.
• Degree in Computer Science, Computer Engineering, or equivalent work experience.

Our Benefits

• 🏡 All Remote
• 🌴 Unlimited Personal Time Off
• ⏰ Flexible Working Hours
• 🖥️ Equipment

Life at WinTech Digital 🚀

At WinTech Digital, you'll join a supportive and collaborative team passionate about excellence and being industry leaders. Our innovative work environment drives impactful business results as we challenge ourselves and elevate each other to achieve new heights.

Equal Opportunity 🌍

All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.