Java Fullstack

Helius Technologies Pte Ltd; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

Helius Technologies Pte Ltd is seeking a Full Stack Developer to build scalable web applications. You will work across the stack, delivering responsive Angular frontends and robust Java/Spring Boot microservices.

Design and implement RESTful APIs, manage application state with RxJS/NgRx, and optimize SQL/NoSQL queries. Collaborate in an Agile team, writing unit tests and contributing to CI/CD pipelines to ship reliable features.

Qualifications

• 3-5+ years of professional full-stack development experience.
• Strong proficiency in Java, Spring Boot, Hibernate, and REST APIs.
• Hands-on expertise in Angular, TypeScript, RxJS, and modern CSS frameworks.
• Solid experience with SQL databases and Git version control.
• Familiarity with Docker, Kubernetes, or Cloud platforms (AWS/Azure) is a plus.

Responsibilities

• Develop dynamic user interfaces using Angular, TypeScript, HTML5, and SCSS.
• Design and implement RESTful APIs and microservices using Java and Spring Boot.
• Manage application state using RxJS/NgRx and integrate frontend components with backend services.
• Design and optimize SQL/NoSQL database queries (PostgreSQL, MySQL, or MongoDB).
• Write unit and integration tests using JUnit, Mockito, and Jasmine/Karma.
• Collaborate in an Agile team to deliver features through CI/CD pipelines.

Skills

Angular

TypeScript

HTML5

SCSS

RxJS

NgRx

REST APIs

SQL

Git

Docker

Kubernetes

AWS/Azure

Tools

Java

Spring Boot

Hibernate

PostgreSQL

MySQL

MongoDB

JUnit

Mockito

Jasmine/Karma

CI/CD

Git

Docker

Kubernetes

AWS

Azure

Job description

Role Summary

We are looking for a Full Stack Developer to build and maintain scalable web applications. You will work across the entire stack, developing responsive Angular frontends and robust Java/Spring Boot microservices.

Key Responsibilities

• Develop dynamic user interfaces using Angular , Type , HTML5, and SCSS.
• Design and implement RESTful APIs and microservices using Java and Spring Boot.
• Manage application state using RxJS / NgRx and integrate frontend components with backend services.
• Design and optimize SQL/NoSQL database queries (PostgreSQL, MySQL, or MongoDB).
• Write unit and integration tests using JUnit, Mockito, and Jasmine/Karma.
• Collaborate in an Agile team to deliver features through CI/CD pipelines.

Requirements

• 3-5+ years of professional full-stack development experience.
• Strong proficiency in Java, Spring Boot, Hibernate, and REST APIs.
• Hands-on expertise in Angular, Type , RxJS, and modern CSS frameworks.
• Solid experience with SQL databases and Git version control.
• Familiarity with Docker, Kubernetes, or Cloud platforms (AWS/Azure) is a plus.