Fullstack Developer

Location: BSD, Tangerang Regency (onsite)

Type: Full-time

We are looking for an experienced Fullstack Developer to build scalable, end-to-end solutions. You will be responsible for developing high-performance backend systems and integrating them with frontend and mobile APIs, focusing on modern architecture and best coding practices. Candidates with proven experience in Artificial Intelligence (AI) and Machine Learning (ML) will be highly preferred

Key Responsibilities

Backend Development (70%):

- Build and maintain microservices using Go or Node.js

- Design modular APIs (REST, gRPC) and optimize inter-service communication

- Manage MySQL (transactional) and MongoDB (document/flexible) databases for high loads

- Implement authentication/authorization (JWT, OAuth) and centralized logging

Integration & Frontend Development (20%):

- Develop functional (mobile) interfaces connected to backend via APIs

- Build reusable components for mobile applications (Kotlin/Flutter)

- Perform end-to-end testing to ensure data consistency across layers

Infrastructure & Quality:

- Deploy services using Docker/Kubernetes and cloud platforms (AWS/GCP)

- Design CI/CD pipelines (GitHub Actions/Jenkins) and TDD practices

- Monitor system performance and perform optimizations (latency, throughput)

Required Qualifications

Technical:

Languages & Frameworks:

- Backend: Go or Node.js (Express/NestJS)

- Frontend: At least 1 modern framework (Flutter or Kotlin for Android)

Database:

- MySQL (query optimization, indexing, replication)

- MongoDB (aggregation, sharding, schema design)

API & Architecture:

- Experience building RESTful APIs and gRPC

- Deep understanding of microservices (service discovery, circuit breaker)

Infrastructure:

- Docker/Kubernetes and cloud services (AWS EC2/S3, GCP Compute Engine)

- Tools: Git, Postman, Prometheus/Grafana (monitoring)