Node Js Developer - Jakarta Utara

PT. SIGMA GLOBAL TEKNOLOGI (SIGMATECH); Jakarta Pusat; On-site; IDR 240,000,000 - 360,000,000; Full time

Benefits offered by this job

Medical

Miscellaneous allowance

Attractive Salary

THR

BPJS

Annual & Sick Leaves

Job summary

PT. SIGMA GLOBAL TEKNOLOGI (SIGMATECH) is seeking a backend engineer with 2–5 years of Node.js experience and strong TypeScript skills to design and implement production services.

You will work with NestJS/Express, microservices, REST, and message queues like Kafka/RabbitMQ in a standards-driven environment. Responsibilities include building scalable APIs, reviewing code, deploying to dev/prod, and ensuring security, monitoring, and performance.

Qualifications

• Bachelor's degree in CS/IT or related field with minimum GPA 3.00.
• 2–5 years backend development experience, at least 2 years building production Node.js services.
• Strong knowledge of Node.js, TypeScript and modern frameworks.

Responsibilities

• Design and build services, features and APIs within the existing architecture and document technical details.
• Review code from teammates and maintain high quality standards.
• Break down backend requirements into tasks, estimate efforts and deliver features aligned with business needs.
• Handle deployments across development and production and resolve production issues.
• Keep services secure, stable and monitored with performance/error tracking.
• Interpret business needs from analysts and explain options clearly.

Skills

Node.js

TypeScript

NestJS/Express.js

Microservices

REST API design

Kafka/RabbitMQ

PostgreSQL + ORM

Jest/Vitest

Docker / CI/CD

JWT/OAuth2 / security basics

Interpersonal communication

AWS / GCP (secondary)

Kubernetes (secondary)

Redis (secondary)

Education

Bachelor's degree in Computer Science / Informatics / Information Systems

Tools

Kafka

RabbitMQ

Prisma / TypeORM / Sequelize

PostgreSQL

SQL

Docker

CI/CD pipelines

Kubernetes (optional)

Job description

1. Education: Bachelor's degree (S1) in Computer Science, Informatics, Information Systems or a similar field2 (Min GPA.3.00)

2. Experience: 2-5 years in backend development, with at least 2 years building production Node.js services

3. Skills:

a. Node.js and TypeScript: understands the event loop, async/await, streams.

b. Framework: NestJS or Express.js, with a clear modular or layered code structure.

c. System design: microservices, REST API design (versioning, pagination, validation, idempotency) and a message queue (Kafka or RabbitMQ).

d. Database: PostgreSQL with an ORM (Prisma, TypeORM or Sequelize) and raw SQL; indexing, query optimization, transactions and migrations.

e. Testing: unit and integration tests with Jest or Vitest, and API tests with Supertest.

f. Deployment: Linux/Windows server, Docker and CI/CD pipelines.

g. Security and monitoring: JWT/OAuth2, input validation, OWASP basics, structured logging and monitoring.

6. Interpersonal and Communication skills

a. Explains technical topics clearly to both technical and non-technical people.

b. Writes short, clear reports with numbers, risks and next steps.

c. Takes ownership of features and production issues through to resolution.

B. Secondary Qualifications

1. Experience with more than one backend language, or with both AWS and GCP.

2. Cloud or Kubernetes, caching and background jobs with Redis.

Responsibilities

1. Design and build services, features and APIs within the existing architecture and document technical.

2. Review code from other team members and keep quality and standards high.

3. Break down backend requirements into tasks, estimate effort and deliver features based on business needs.

4. Handle deployments across development, production environment and resolve production issues.

5. Keep services secure, stable and monitored, including performance and error tracking.

6. Understand business needs from the Analyst team and explain technical options in simple language.

SIGMATECH is the enterprise technology partner of choice for software development, delivering a broad range of web, mobile, and desktop controls coupled with a service-oriented approach throughout the entire application life cycle.

SIGMATECH consists of highly skilled developers specializing in agile development methodology, focusing on Mobile & Web Solution, IT Services and business enterprise, utilizing modern programming languages as our platform. SIGMATECH has established itself as the trusted partner for use in mission-critical applications and service clientele from global insurance companies, government agencies and large consumer product manufacturers.

Our Vision :

To be the most reputable and dependable growth solution partner both for IT Professional Talents and Client's Businesses worldwide

Our Mission :

To be the most reputable and dependable growth solution partner both for IT Professional Talents and Client's Businesses worldwide

To be the most reputable and dependable growth solution partner both for IT Professional Talents and Client's Businesses worldwide

SIGMATECH is the enterprise technology partner of choice for software development, delivering a broad range of web, mobile, and desktop controls coupled with a service-oriented approach throughout the entire application life cycle.

SIGMATECH consists of highly skilled developers specializing in agile development methodology, focusing on Mobile & Web Solution, IT Services and business enterprise, utilizing modern programming languages as our platform. SIGMATECH has established itself as the trusted partner for use in mission-critical applications and service clientele from global insurance companies, government agencies and large consumer product manufacturers.

Our Vision :

To be the most reputable and dependable growth solution partner both for IT Professional Talents and Client's Businesses worldwide

Our Mission :

To be the most reputable and dependable growth solution partner both for IT Professional Talents and Client's Businesses worldwide

To be the most reputable and dependable growth solution partner both for IT Professional Talents and Client's Businesses worldwide

Perks and benefits Medical Miscellaneous allowance Attractive Salary, THR, BPJS, Annual & Sick Leaves