Backend Developer

SILVERLINK TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

SilverLink Technologies Pte. Ltd. is seeking a senior Java backend engineer to design and implement scalable microservices using Java 8/11/17, Spring Boot, Spring Cloud, and Hibernate/JPA.

You will work with Kafka/RabbitMQ for messaging, Docker/Kubernetes for deployment, and Docker-based CI/CD pipelines. Proficiency with JVM tuning, concurrency, and design patterns is essential, along with strong SQL knowledge across MySQL, PostgreSQL, and MongoDB.

Qualifications

• Strong knowledge of Java 8/11/17 and core APIs.
• Expertise in Collections, multithreading, and exception handling.
• Proficient in JVM performance tuning and design patterns.
• Hands-on experience with Spring ecosystem (Boot, MVC, Data JPA, Security, Cloud).
• Experience building and operating microservices and messaging (Kafka/RabbitMQ).

Skills

Java proficiency

Multithreading

Design patterns

JVM tuning

Exception handling

Tools

Spring Boot

Spring MVC

Spring Data JPA

Spring Security

Spring Cloud

Hibernate/JPA

Docker

Kubernetes

Jenkins

GitLab CI

Maven

Gradle

Git

SonarQube

Kafka

RabbitMQ

MySQL

PostgreSQL

MongoDB

Alibaba Cloud ECS

ACK (Alibaba Kubernetes Service)

OSS

RDS

SLB

Cloud Monitor

Function Compute

RAM (IAM)

Container Registry

VPC Networking

Job description

JD

Core Java

Strong knowledge of Java 8/11/17

• Collections Framework
• Multithreading & Concurrency
• Exception Handling
• JVM Performance Tuning
• Design Patterns

Spring Ecosystem

Spring Boot

• Spring MVC
• Spring Data JPA
• Spring Security
• Spring Cloud
• Hibernate/JPA

Microservices

Service Discovery

• API Gateway
• Circuit Breaker Patterns
• Distributed Transactions
• Messaging Systems (Kafka/RabbitMQ)

Alibaba Cloud (Ali Cloud)

Alibaba Cloud ECS

• ACK (Alibaba Kubernetes Service)
• OSS (Object Storage Service)
• RDS
• SLB (Server Load Balancer)
• Cloud Monitor
• Function Compute
• RAM (Resource Access Management)
• Container Registry
• VPC Networking

DevOps & Tools

Docker

• Kubernetes
• Jenkins/GitLab CI
• Maven/Gradle
• Git
• SonarQube

Databases

MySQL

• PostgreSQL
• MongoDB