Junior Back-end Developer

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

Job opportunity for Junior Back-end Developer at Star Karlo Indonesia in KOTA ADM. JAKARTA PUSAT, DKI JAKARTA, Indonesia.

Kualifikasi

Job Desc

• Develop and maintain scalable server-side applications using Node.js, ensuring efficiency and reliability.
• Design and manage MongoDB databases, optimizing queries and ensuring effective data storage and retrieval.
• Build and integrate RESTful to support frontend applications and external services.
• Collaborate closely with frontend developers and cross-functional teams to ensure smooth data flow and a consistent user experience.
• Identify and address performance bottlenecks, implementing caching, load balancing, and scalability solutions.
• Work with GIS data and libraries to integrate geospatial features and enable location-based functionality.
• Implement secure authentication and authorization protocols, ensuring data security and compliance.
• Participate in code reviews to maintain high code quality and adhere to best practices.
• Stay updated with the latest advancements in Node.js, MongoDB, and GIS to propose improvements.
• (Optional) Possess knowledge or experience in logistics or shipping systems to support development of industry-specific features.

• 0-2 years in backend development with a focus on Node.js.
• Proficient in developing and maintaining server-side applications.
• Knowledge of MongoDB, including query optimization and data handling.
• Ability to build and integrate RESTful APIs for frontend and external service communication.
• Basic understanding of GIS data and libraries (a plus if experienced).
• Able to work effectively with frontend developers and cross-functional teams to ensure seamless integration and data flow.
• Basic understanding of caching, load balancing, and addressing performance bottlenecks.
• Knowledge of secure authentication and authorization practices.
• Familiarity with code review processes and commitment to maintaining code standards.
• Enthusiasm for staying updated with advancements in Node.js, MongoDB, and GIS.
• Interest or basic knowledge in logistics or shipping systems.