Full Stack Web Developer for Multi-Tenant App Build

CoreData Systems

Part-time · Remote · Flexible hours

About the role

CoreData Systems is preparing a new app store launch and needs a full stack web developer to align mobile front‑ends with backend services. You will help shape the API layer, ensure data consistency, and support the mobile team in delivering a seamless user experience.

Key responsibilities

• Design and implement RESTful APIs using NodeJS
• Build responsive UI components with React and JavaScript
• Integrate MongoDB data models and optimize queries for mobile traffic
• Collaborate with mobile engineers to define data contracts and error handling
• Write unit and integration tests, maintain documentation, and perform code reviews

Must-have skills

• Proven experience with React and NodeJS in production
• Strong JavaScript fundamentals and async programming
• Hands‑on MongoDB schema design and performance tuning
• Ability to work independently in a remote, part‑time schedule

Nice to have

• Familiarity with CI/CD pipelines for NodeJS projects
• Experience with mobile‑backend synchronization patterns