Senior Software Engineer (Java/ReactJs/AWS)

[URGENT] SENIOR FULL-STACK JAVA DEVELOPER (SPRING BOOT & REACT)

Job Overview

We are seeking a Senior Full-Stack Java Developer to design, build, and maintain high-security access control systems for an international project. You will work on API-to-API integrations and Identity and Access Management (IAM) solutions for Tier-1 commercial buildings (Banking/Finance sectors) in Australia. This position is open for talent based locally in District 3, Ho Chi Minh City, Vietnam.

Key Responsibilities

●​ Backend Development: Design and develop robust, scalable API-to-API integrations using Java and Spring Boot.

●​ Frontend Development: Build responsive, user-friendly web interfaces using React.js.

●​ Security & IAM: Implement secure Identity and Access Management (IAM) systems and RFID-based building access solutions.

●​ Database Management: Optimize database schemas, queries, and performance using PostgreSQL.

●​ Cloud Infrastructure: Deploy, manage, and scale applications within the AWS ecosystem.

●​ Collaboration: Partner daily with the tech team in Australia to gather requirements and translate business needs into technical solutions.

Job Requirements

Technical Skills

●​ Backend: 4+ years of professional experience with Java and Spring Boot.

●​ Frontend: Strong proficiency in JavaScript/TypeScript and React.js.

●​ Database: Solid experience with PostgreSQL (complex queries, indexing, optimization).

●​ Cloud: Hands-on experience with AWS services (EC2, S3, RDS, IAM).

●​ Domain Knowledge: Proven experience in API integration, IAM protocols (OAuth2, OIDC, SAML), or IoT/RFID systems.

Soft Skills & Location Requirements

●​ Location: Must be able to work full-time at our office in District 3, Ho Chi Minh City.

●​ Strong problem-solving skills with a security-first mindset.

●​ Excellent English communication skills (written and verbal) to work directly with Australian stakeholders.