Sr. Full-Stack Engineer: Java Spring, Angular & React Native

Optimum Solutions Pte Ltd; Hong Kong; On-site; HKD 900,000 - 1,300,000; Full time

Job summary

Optimum Solutions Pte Ltd is seeking an experienced Senior Full Stack Developer in Hong Kong to lead end-to-end development of enterprise applications. You will define architecture, coding standards, and best practices across backend, frontend, and cloud while guiding teammates through code reviews and design decisions.

The role requires 7+ years in full stack development with airline domain knowledge, strong Java Spring Boot and Angular/React Native skills, and solid REST API and AWS

Qualifications

• 7+ years (minimum) as a full stack developer with domain airport/airline domain skill.
• Exp in application development, production support, incident management, and root cause analysis to ensure SLAs, uptime, and system reliability.
• Strong hands-on experience in Java (Spring Boot, Microservices).
• Solid experience with Angular and React Native.
• Strong understanding of REST APIs, security, and performance tuning.
• Exp in AWS cloud services, manage applications on AWS (EC2, S3, RDS, Lambda, ECS/EKS, CloudWatch, IAM) and Implement CI/CD pipelines and automation.
• Lead UI development using Angular for web applications and guide and support React Native development for mobile applications.
• Knowledge of DevOps tools (Jenkins, GitHub Actions, Terraform, Cloud automation).

Responsibilities

• Lead end-to-end development and support of full-stack applications.
• Define architecture, coding standards, and best practices across backend, frontend, and cloud.
• Review code, enforce quality standards, and guide team members.
• Design and develop scalable Java applications using Spring / Spring Boot.
• Build RESTful APIs and microservices with proper security and performance considerations.
• Handle integration with databases and third‑party systems.
• Lead UI development using Angular for web applications and guide and support React Native development for mobile applications.
• Ensure security, scalability, cost optimization, and monitoring.
• Own production support, incident management, and root cause analysis and ensure SLAs, uptime, and system reliability.
• Collaborate with product owners, architects, and business stakeholders.

Skills

Full stack development

Java Spring Boot

Angular

React Native

REST APIs

AWS Cloud

Tools

AWS

Jenkins

GitHub Actions

Terraform

CloudWatch

IAM

Job description

Optimum Solutions Pte Ltd is seeking an experienced Senior Full Stack Developer in Hong Kong to lead end-to-end development of enterprise applications. You will define architecture, coding standards, and best practices across backend, frontend, and cloud while guiding teammates through code reviews and design decisions.

The role requires 7+ years in full stack development with airline domain knowledge, strong Java Spring Boot and Angular/React Native skills, and solid REST API and AWS