Senior Full Stack Web Developer – API Design

CoreData Systems

Freelance · Remote · Flexible hours

About the role

CoreData Systems is launching a new data‑driven web platform and needs a versatile full‑stack developer to deliver both front‑end and back‑end features. You will work closely with product owners to translate requirements into clean, functional code and ensure a seamless user experience.

Key responsibilities

• Design and implement responsive UI components using React.
• Develop RESTful APIs and server‑side logic with NodeJS.
• Integrate MongoDB for data storage, queries, and indexing.
• Write unit and integration tests to maintain code quality.
• Participate in code reviews and collaborative sprint planning.

Must-have skills

• Proven experience building full‑stack applications.
• Strong proficiency in React, NodeJS, JavaScript, and MongoDB.
• Understanding of REST principles and API design.
• Ability to write clean, maintainable code and documentation.

Nice to have

• Familiarity with Docker or containerization.
• Experience with CI/CD pipelines.
• Knowledge of cloud services (AWS, Azure, GCP).