Senior Java Spring Boot Developer

Nusantech; Kota Bandung; In loco; IDR 200.880.000 - 357.120.000; Tempo pieno

Descrizione del lavoro

Nusantech is seeking a Senior Backend Developer with strong Java Spring Boot experience to design, build, and maintain scalable backend services and APIs powering our applications. As a senior member, you will influence system design, ensure code quality, and mentor junior developers.

You will design and develop robust backend services, RESTful APIs, and microservices, while collaborating with frontend teams, product managers, and QA to deliver high-quality features.

Competenze

• 5+ years of backend Java experience.
• Strong Spring Boot and Spring ecosystem knowledge.
• Experience with relational DBs( PostgreSQL/MySQL ) and Hibernate.
• RESTful API design and versioning.
• Git and CI/CD tooling experience.
• Knowledge of Docker/Kubernetes and cloud services.
• Unit/integration testing experience.

Mansioni

• Design, build, and maintain robust, scalable backend services using Java/Spring Boot.
• Develop RESTful APIs and microservices architecture.
• Collaborate with frontend, product, and QA to deliver features.
• Optimize performance and database queries; ensure system reliability.
• Participate in code reviews, planning, and architecture discussions.
• Implement unit and integration tests to ensure code quality.
• Troubleshoot production issues and provide long-term fixes.
• Maintain documentation of code, APIs, and flows.

Conoscenze

Java

Spring Boot

ORM/ Hibernate

REST API design

Clean architecture

Design patterns

Unit testing

Debugging

Analytical skills

Mentoring

CI/CD concepts

Strumenti

Git

Jenkins

GitLab CI

GitHub Actions

Docker

Kubernetes

Prometheus

Grafana

ELK Stack

Descrizione del lavoro

We are seeking a Senior Backend Developer with expertise in Java Spring Boot to join our growing engineering team. You will be responsible for designing, building, and maintaining scalable backend services and APIs that power our applications. As a senior member, you will play a key role in system design, code quality, and mentoring junior developers.

Responsibilities:

• Design and develop robust, secure, and scalable backend services using Java (Spring Boot)
• Build and maintain RESTful APIs and microservices architecture
• Collaborate with frontend developers, product managers, and QA to deliver high-quality features
• Optimize application performance, database queries, and system reliability
• Participate in code reviews, technical planning, and architecture discussions
• Implement unit and integration tests to ensure code quality
• Troubleshoot production issues and implement long-term fixes
• Maintain proper documentation of code, APIs, and system flows

Requirements:

• Strong proficiency in Java with at least 5 years of experience in backend development
• In-depth knowledge of Spring Boot and Spring ecosystem (Security, Data, MVC)
• Experience with relational databases (e.g., PostgreSQL, MySQL) and ORM frameworks like Hibernate
• Familiarity with RESTful API design principles and API versioning
• Experience with Git and CI/CD tools such as Jenkins, GitLab CI, or GitHub Actions
• Strong understanding of clean architecture, design patterns, and best practices
• Experience on containerization (Docker) and orchestration tools (Kubernetes)
• Experience with unit testing frameworks (JUnit, Mockito)
• Knowledge of cloud services (AWS, GCP, or Azure) is a plus
• Strong analytical and debugging skills
• Experience with monitoring tools like Prometheus, Grafana, or ELK Stack

Nice to Have:

• Experience with message brokers (RabbitMQ, Kafka)
• Knowledge of NoSQL databases (MongoDB, Redis)
• Familiarity with GraphQL or gRPC