Fullstack Developer: Java Springboot + React in Banking (Flexible)

PT. SIGMA GLOBAL TEKNOLOGI (SIGMATECH); Jakarta Utara; On-site; IDR 279,000,000 - 468,720,000; Part time

Benefits offered by this job

Medical

BPJS

Annual & Sick Leaves

Flexible working

Job summary

PT. SIGMA GLOBAL TEKNOLOGI (SIGMATECH) is seeking a skilled Fullstack Developer (Java Springboot, ReactJS) for the Banking Industry to join our development team in South Jakarta. You will build and maintain robust applications that support secure banking operations.

The role requires 3-5 years of experience, strong Java and Spring Boot skills, ReactJS frontend, RESTful APIs, and familiarity with databases, cloud platforms, Docker, and CI/CD. Contract position with potential extension.

Qualifications

• 3–5 years of professional software development
• Strong experience in Java and Spring Boot for backend
• Experience with banking systems, financial apps or regulated environments
• Relational and non-relational databases (PostgreSQL, MySQL, MongoDB)
• RESTful API design and microservices architecture
• Git and collaborative workflows
• Cloud platforms (AWS/Azure/Google Cloud) and Docker
• Security best practices: authentication, authorization, data encryption

Responsibilities

• Develop, maintain and enhance full-stack applications with Java Springboot and ReactJS
• Design RESTful APIs and microservices for banking operations
• Create responsive frontends with ReactJS emphasizing performance and accessibility
• Collaborate with product managers and other developers to implement requirements
• Conduct code reviews and ensure code quality and best practices
• Troubleshoot and resolve issues in production and development environments
• Contribute to system architecture discussions and technical decisions
• Ensure compliance with banking security regulations and data protection
• Document code and technical designs for knowledge sharing
• Optimize performance and scalability for high transaction volumes

Skills

Java

Spring Boot

ReactJS

RESTful APIs

Microservices

Databases

Git

Cloud platforms

Docker

Security

Tools

AWS

Azure

Google Cloud

Job description

PT. SIGMA GLOBAL TEKNOLOGI (SIGMATECH) is seeking a skilled Fullstack Developer (Java Springboot, ReactJS) for the Banking Industry to join our development team in South Jakarta. You will build and maintain robust applications that support secure banking operations.

The role requires 3-5 years of experience, strong Java and Spring Boot skills, ReactJS frontend, RESTful APIs, and familiarity with databases, cloud platforms, Docker, and CI/CD. Contract position with potential extension.