REST API Developer for Third-Party Integrations

CoreData Systems

Project-based · Remote · Flexible hours

About the role

CoreData Systems is launching a new data integration platform and needs a focused REST API Developer to design and implement secure endpoints that connect external services to our core database.

Key responsibilities

• Design, develop, and document RESTful APIs using NodeJS
• Implement authentication, rate‑limiting, and error handling
• Optimize queries and data flow with PostgreSQL
• Write unit and integration tests to ensure reliability
• Collaborate with product and front‑end teams for seamless integration

Must-have skills

• Proven experience building REST APIs in NodeJS
• Strong JavaScript fundamentals
• Hands‑on PostgreSQL knowledge, including schema design and query optimization
• Understanding of API security best practices

Nice to have

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