Back End Developer

Skyshi Digital Indonesia; Kota Yogyakarta; Hybrid; IDR 200.000.000 - 300.000.000; Full time

Job summary

A digital technology company in Yogyakarta is looking for a MID Backend Developer with expertise in NodeJs and TypeScript. The role involves designing and maintaining APIs, optimizing backend performance, and collaborating with frontend developers. Candidates should have over 5 years of backend experience and solid problem-solving skills. The position offers a hybrid work arrangement.

Qualifications

• 5+ years of experience in backend development, with at least 3 years focused on TypeScript.
• Experience in unit testing and CI/CD workflows.
• Solid understanding of backend architecture patterns.

Responsibilities

• Design, develop, and maintain RESTful and GraphQL APIs.
• Implement unit tests and contribute to automated testing.
• Collaborate with frontend developers for API contracts.

Skills

TypeScript

RESTful APIs

GraphQL

Unit testing

Problem-solving

Fluent English

Education

Bachelor's Degree in Computer Science or related field

Tools

PostgreSQL

MySQL

MongoDB

Jest

Mocha

Jasmine

Job description

MID Backend Developer (NodeJs)

We are looking for a Senior Backend Developer with strong expertise in and TypeScript to design and build scalable, secure, and high-performing backend systems. You will work closely with frontend developer(s) and product teams to deliver reliable services that power seamless user experiences.

Job Description & Responsibilities

• Design, develop, and maintain RESTful and GraphQL APIs using and TypeScript.
• Implement robust unit tests and contribute to automated testing pipelines to ensure system reliability.
• Optimize backend services for performance, scalability, and security.
• Collaborate with frontend developers to define and support API contracts.
• Maintain and improve database structures (SQL/NoSQL) and query performance.
• Debug and resolve issues in production and staging environments.
• Ensure backend systems are compliant with best practices in security and data protection.
• Participate in code reviews and maintain coding standards across the team.
• Stay current with emerging backend technologies and propose process improvements.

Requirements

• Bachelor's Degree in Computer Science, Information Technology, or related field (or equivalent experience).
• 5+ years of professional experience in backend development, with at least 3 years focused on Strong proficiency in TypeScript and modern JavaScript (ES6+).
• Proven experience in unit testing (e.g., Jest, Mocha, Jasmine) and CI/CD workflows.
• Solid understanding of backend architecture patterns (e.g., microservices, event-driven systems).
• Experience with relational and/or NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB).
• Familiarity with API documentation standards (e.g., OpenAPI/Swagger).
• Strong problem-solving skills and ability to optimize complex systems.
• Excellent communication skills and proven ability to work effectively in cross-functional teams.
• Fluent english.

Ready to join ASAP. Hybrid Yogyakarta.