Junior Backend Engineer: Node.js, REST & GIS

MateCareer; Jakarta Pusat; On-site; IDR 66,960,000 - 100,440,000; Full time

Job summary

Star Karlo Indonesia is seeking a Junior Back-end Developer to join their team in Jakarta Pusat. The role focuses on building scalable server-side services using Node.js and MongoDB, with a strong emphasis on secure APIs and GIS-enabled features.

The candidate will collaborate with frontend developers and cross-functional teams to ensure smooth data flow, implement performance optimizations, and participate in code reviews to maintain high-quality code.

Qualifications

• 0–2 years in backend development with a focus on Node.js.
• Experience designing APIs and working with MongoDB.
• Familiar with GIS data concepts and related libraries.
• Aware of caching, load balancing, and performance optimization.

Responsibilities

• Develop and maintain scalable server-side applications using Node.js.
• Design and manage MongoDB databases and optimize queries.
• Build and integrate RESTful APIs for frontend and external services.
• Collaborate with frontend and cross-functional teams for data flow.
• Identify bottlenecks and implement caching and scalability solutions.
• Work with GIS data to support location-based features.
• Implement secure authentication and authorization practices.
• Participate in code reviews to ensure quality and standards.
• Keep up-to-date with Node.js, MongoDB, GIS trends.

Skills

Node.js

MongoDB

RESTful APIs

GIS

Caching & performance

Authentication & authorization

Code reviews

Cross-functional collaboration

Stay updated with tech

Logistics knowledge (plus)

Job description

Star Karlo Indonesia is seeking a Junior Back-end Developer to join their team in Jakarta Pusat. The role focuses on building scalable server-side services using Node.js and MongoDB, with a strong emphasis on secure APIs and GIS-enabled features.

The candidate will collaborate with frontend developers and cross-functional teams to ensure smooth data flow, implement performance optimizations, and participate in code reviews to maintain high-quality code.