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Back-end Developer (Java)

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Divistant Career

Job Requirements

On-site
3 - 5 years of experience
Minimum Bachelor’s Degree

Job Benefits

Training/Certification

THR

Team-building events

Work Insurance

Perform Bonus

Job description for Back-end Developer (Java) at divistant

Kualifikasi Utama:

  • Minimal 3-5 tahun pengalaman di Java Backend (diutamakan pernah di perbankan / fintech / payment gateway).
  • ⁠Mahir Java 21, Spring Boot 3.x, Spring Data JPA, Spring Security, dan Spring WebFlux (WebClient).
  • ⁠Paham arsitektur Hexagonal (Ports & Adapters) / Clean Architecture dan Modular Monolith.
  • ⁠Berpengalaman membangun integrasi API (REST, Webhook callback, HMAC SHA-256 signature).
  • ⁠Paham konsep Idempotency, In-doubt Transaction handling, Resilience4j, dan background reconciliation worker.
  • ⁠Terbiasa dengan Oracle DB / PostgreSQL, Flyway Database Migration, dan Redis (caching & distributed lock / ShedLock).
  • ⁠Kuat di automated testing: JUnit 5, Mockito, WireMock, Testcontainers.

Job Description:

  • Merancang, membangun, dan memelihara aplikasi backend yang responsif, aman, scalable, dan berkinerja tinggi menggunakan bahasa pemrograman Java dan framework terkait.
  • Merancang dan mengimplementasikan RESTful APIs (atau gRPC/GraphQL) yang efisien untuk diintegrasikan dengan tim Frontend, Mobile, serta sistem pihak ketiga (third-party integration).
  • Merancang skema database, menulis kueri yang efisien, serta melakukan optimasi performa pada basis data Relational (SQL) maupun Non-Relational (NoSQL).
  • Memelihara kode yang sudah ada, mengidentifikasi bottleneck performa, serta melakukan troubleshooting dan debugging pada lingkungan production.
  • Menerapkan prinsip Clean Code, Design Patterns, serta arsitektur perangkat lunak yang baik (seperti Microservices atau Monolith yang terstruktur).
  • Bekerja sama secara aktif dengan Product Manager, Frontend Developer, QA, dan DevOps dalam skema kerja Agile/Scrum, serta melakukan code review untuk menjaga kualitas kode tim.
  • Menulis unit test dan integration test untuk memastikan keandalan kode sebelum dideploy ke lingkungan staging/production.

Nilai Plus:

  • Pengalaman integrasi sistem LOS (Sunline), Core Banking, ESB, Dukcapil, AML/DHN, atau Privy.
  • Terbiasa dengan Docker, CI/CD, SonarQube, dan ArchUnit.

Interview process

About the company
divistant
Information Technology and Services
11 - 50 employees

Divistant is a leading provider of cloud and DevOps solutions, specializing in helping businesses accelerate innovation, streamline operations, and achieve seamless digital transformation. Our end-to-end services empower companies to harness the full potential of modern cloud technologies and DevOps methodologies, enabling them to scale efficiently, improve agility, and maintain a competitive edge in today's rapidly evolving digital landscape.

Office address

Jl. Ampel No.23, Demangan Baru, Caturtunggal, Kec. Depok, Kabupaten Sleman, Daerah Istimewa Yogyakarta 55281

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Back-end Developer (Java)