Fullstack Developer

PT Istana Group Indonesia; Tangerang Selatan; On-site; IDR 240,000,000 - 480,000,000; Full time

Job summary

PT Istana Group Indonesia is seeking a Software Engineer (Fullstack) to design, develop, and maintain features end-to-end across frontend and backend within our fintech-focused platform. The role emphasizes building robust APIs and scalable UI components.

You will collaborate with product and design teams, resolve cross-stack issues, and keep learning new stacks. 4+ years of hands-on experience and a bachelor’s degree are preferred.

Qualifications

• Bachelor's degree in Computer Science, Information Systems, Engineering, or related field or 4 years of hands‑on experience as a Software Engineer
• 4 years of professional experience developing end-to-end applications across backend and frontend
• Strong experience building and consuming RESTful APIs; experience with gRPC, GraphQL, or messaging systems is a plus
• Strong experience using at least one modern JS framework such as ReactJS, VueJS, or Ionic
• Strong experience working with relational databases (MySQL, PostgreSQL) and NoSQL databases (MongoDB, Redis)

Responsibilities

• Design, develop, and maintain features end-to-end across frontend and backend
• Implement and maintain robust backend services and APIs
• Develop and maintain clean, reusable, and efficient UI components for web platforms
• Ensure smooth integration between frontend, backend, and external services
• Collaborate closely with product, design, and engineering teams to deliver features according to requirements
• Identify and resolve technical problems, bugs, and integration issues across the stack
• Participate actively in technical discussions and continuous improvement

Skills

End-to-end software development

RESTful APIs

gRPC/GraphQL/messaging

ReactJS

VueJS

Ionic

Relational databases

NoSQL databases

Problem solving

Education

Bachelor's degree in CS/IS/Engineering or related field

Tools

MySQL

PostgreSQL

MongoDB

Redis

Job description

Software Engineer (Fullstack) responsible for designing, developing, and maintaining features end-to-end across frontend and backend within an existing architecture. We prefer candidates who has experinces in fintech company for over 5 years

Key responsibilities

• Design, develop, and maintain features end-to-end across frontend and backend
• Implement and maintain robust backend services and APIs
• Develop and maintain clean, reusable, and efficient UI components for web platforms
• Ensure smooth integration between frontend, backend, and external services
• Collaborate closely with product, design, and engineering teams to deliver features according to requirements
• Identify and resolve technical problems, bugs, and integration issues across the stack
• Participate actively in technical discussions and continuous improvement

About you

• Bachelor's degree in Computer Science, Information Systems, Engineering, or related field or 4 years of hands‑on experience as a Software Engineer
• Passionate in learning new stacks and taking challenges
• Resilient and ready to face engineering challenges and technical problems
• 4 years of professional experience developing end-to-end applications across backend and frontend
• Strong experience building and consuming RESTful APIs; experience with gRPC, GraphQL, or messaging systems is a plus
• Strong experience using at least one modern JS framework such as ReactJS, VueJS, or Ionic
• Strong experience working with relational databases (MySQL, PostgreSQL) and NoSQL databases (MongoDB, Redis)