Design and develop high-performance RESTful APIs that meet both internal and external client needs.
Collaborate with front-end developers and other stakeholders to integrate APIs with user-facing elements.
Ensure the security, performance, and reliability of APIs through thorough testing and documentation.
Monitor and optimize API performance through analytics and user feedback.
Participate in the architecture process, contributing to the evolution of our technology stack and best practices.
Troubleshoot and resolve issues in API applications, managing bug fixes and updates as necessary.
Stay current with new technologies and industry trends to maintain cutting-edge APIs that drive business value.

Bachelor's degree in Computer Science or a related field.
2+ years of experience in API development, with a focus on designing and building RESTful services.
Proficiency in programming languages such as Node.js, Python, Ruby, or Java.
Strong understanding of API design principles and best practices, including security and versioning.
Experience with API documentation tools like Swagger or Postman is preferred.
Familiarity with database systems, both relational (MySQL, PostgreSQL) and NoSQL (MongoDB).
Ability to work in an Agile environment and participate in sprint planning and development cycles.
Excellent problem-solving skills and strong attention to detail.
Good communication skills, capable of working collaboratively with various teams.

At Substance, we’re all about action, not just talk. If your profile aligns with what we need, you’ll hear from us within 1-2 weeks. If not, no fluff—just know we value your interest and will keep you in mind for future roles where your skills can make an impact. We focus on real connections and meaningful matches, so when the right opportunity comes, we’ll be ready to make it happen.

Getsubstance.co Pte. Ltd. | EA License No: 24C2398

API Web Developer

Key skills