Full-Stack Engineer (React + Java)

ALPHATOK TECHNOLOGY PTE. LTD.; Singapore; On-site; USD 60,000 - 100,000; Full time

Job summary

An innovative AI-driven company is seeking a talented Full-Stack Engineer to join their dynamic development team. In this role, you will design and develop high-performance web applications, utilizing your expertise in React for front-end development and Java with Spring Boot for back-end services. Collaborating with product managers and designers, you will contribute to creating next-generation intelligent systems that enhance user experience and system reliability. If you are passionate about technology and eager to work on impactful projects in a collaborative environment, this opportunity is perfect for you.

Qualifications

• Strong proficiency in React and JavaScript frameworks.
• Solid experience with Java and Spring Boot for backend development.
• Familiar with REST API design and integration.

Responsibilities

• Design and develop scalable, high-performance web applications.
• Build responsive front-end interfaces using React.
• Develop robust back-end services and RESTful APIs.

Skills

React

JavaScript

Java

Spring Boot

REST API design

Git workflows

Communication skills

Tools

AWS

Docker

CI/CD pipelines

Job description

About Alphatok:

Alphatok is an AI-driven B2B software company based in Singapore. We specialize in building customized CRM, ERP, and AI solutions for enterprise clients across Southeast Asia. As we grow, we’re looking for a skilled Full-Stack Engineer to join our core development team and help us deliver next-generation intelligent systems.

Job Responsibilities:

Design and develop scalable, high-performance web applications;

Build responsive front-end interfaces using React and its ecosystem;

Develop robust back-end services and RESTful APIs using Java / Spring Boot;

Collaborate closely with product managers, designers, and AI engineers to deliver high-quality features;

Continuously improve system performance, reliability, and user experience.

Requirements:

Strong proficiency in React, JavaScript, and related front-end frameworks;

Solid experience with Java and backend development (Spring Boot preferred);

Familiar with REST API design and front-end/back-end integration;

Good understanding of software engineering best practices and Git workflows;

Strong communication skills and a collaborative mindset;

Experience working on real-world projects or active GitHub contributions is a plus.

Bonus Points:

Experience or interest in AI/ML integration;

Background in SaaS products or enterprise systems;

Familiarity with DevOps tools or cloud services (e.g., AWS, Docker, CI/CD pipelines).