Full Time Senior Java Developer(Ali Baba cloud) Jobs, Salary up to SGD 9,500 in DNA INFOTECH PTE. LTD. Central Region (Singapore) - Maukerja

Key Responsibilities

Design & Develop:
Build scalable, secure, and resilient microservices applications using Core Java (8/11/17) and the Spring Boot / Spring Cloud ecosystem.

Cloud Infrastructure Management:
Deploy, manage, and optimize applications on

Alibaba Cloud

using core services like ACK (Kubernetes), ECS, RDS, and Server Load Balancers (SLB).

Architecture & Performance:
Implement distributed transaction patterns, event-driven messaging pipelines (Kafka/RabbitMQ), and perform JVM tuning to maximize application throughput and stability.

Database Management:
Design and optimize relational (MySQL, PostgreSQL) and NoSQL (MongoDB) database schemas for high-load environments.

DevOps & Quality Assurance:
Drive CI/CD pipelines, containerization (Docker, Kubernetes), code quality standards (SonarQube), and automated testing frameworks.

Security & Governance:
Implement robust authentication/authorization via Spring Security and ensure compliance with cloud security policies (RAM, VPC networking).

Required Technical Skills

1. Core Java

Strong hands-on experience with

Java 8, 11, or 17

Advanced proficiency in Collections Framework, Multithreading, and Concurrency

Expertise in Exception Handling, Design Patterns, and

JVM Performance Tuning

2. Spring Ecosystem & Microservices

Spring Boot, Spring MVC, Spring Data JPA, Spring Security, Spring Cloud

Microservices architecture patterns: Service Discovery, API Gateways, Circuit Breakers, and Distributed Transactions

Enterprise messaging systems:
Apache Kafka

or

RabbitMQ

Hibernate / JPA for efficient object-relational mapping

3. Alibaba Cloud (Ali Cloud)

Hands-on deployment and administration experience with:
Compute & Networking:
ECS, SLB, VPC Networking

Containers & Orchestration:
ACK (Alibaba Kubernetes Service), Container Registry

Storage & Databases:
RDS, OSS (Object Storage Service)

Operations & Security:
Cloud Monitor, Function Compute, RAM (Resource Access Management)

4. DevOps & Tooling

Docker & Kubernetes

container orchestration

CI/CD pipelines using

Jenkins

or

GitLab CI

Build automation tools:
Maven

or

Gradle

Code quality monitoring:
SonarQube

and

Git

version control

5. Databases

Relational Databases:
MySQL, PostgreSQL

NoSQL Databases:
MongoDB

Qualifications & Education

Bachelor’s or Master’s degree in Computer Science, Information Technology, Engineering, or a related field (or equivalent practical experience).

Proven experience building and deploying large-scale enterprise applications in production environments.

Strong problem-solving skills, analytical mindset, and ability to troubleshoot complex distributed systems.