Fullstack Developer

PT Istana Group Indonesia; Tangerang Selatan; On-site; IDR 100.000.000 - 200.000.000; Full time

Job summary

A technology solutions company in Indonesia is looking for a Software Engineer with 2-4 years of experience in developing applications across both frontend and backend. The successful candidate will be responsible for designing and maintaining features, implementing robust backend services, and collaborating with various teams to meet requirements. Candidates should possess a Bachelor’s degree in a related field, have a strong understanding of modern JavaScript frameworks, and demonstrate excellent problem-solving skills. Fintech experience is a plus, along with soft skills like critical thinking and effective communication.

Qualifications

• 2–4 years of professional experience developing end-to-end applications across backend and frontend.
• Strong experience using at least one modern JS framework such as ReactJS or VueJS.
• Good understanding of microservices architecture.

Responsibilities

• Design, develop, and maintain features end-to-end across frontend and backend.
• Implement and maintain robust backend services and APIs.
• Collaborate closely with product, design, and engineering teams to deliver according to requirements.

Skills

Frontend development

Backend development

API development

Relational databases

NoSQL databases

JavaScript frameworks (ReactJS, VueJS)

Microservices architecture

Problem-solving skills

Education

Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field

Job description

Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field or 2–4 years of hands‑on experience as a Software Engineer.

Passionate in learning new stacks and taking challenges.

Experience in the Fintech industry is a plus.

Resilient and ready to face engineering challenges and technical problems.

Job 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, continuous improvement.

Technical Skills

• 2–4 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).
• Solid understanding and practical application of OOP, SQL, design patterns, and software engineering best practices.
• Experience building and maintaining scalable and reliable applications within an existing architecture.
• Good understanding of microservices architecture and service‑to‑service communication.
• Solid understanding of CDN, SSR, and CSR concepts and their impact on application performance.

Soft Skills

Strong logical and critical thinking abilities.

Excellent written & verbal communication skills focused on improving collaboration, knowledge, and information exchange across all stakeholders.

High attention to detail with strong quantitative and analytical thinking.

Ability to work both independently and collaboratively in a Fast‑Paced environment.