Full Stack Senior Developer (domain airport/airline skill)

Optimum Solutions (Hong Kong) Limited; Hong Kong; On-site; HKD 900,000 - 1,400,000; Full time

Job summary

Optimum Solutions in Hong Kong is seeking a Senior Full Stack Developer to lead end-to-end development of web and mobile applications. You will define architecture, code standards, and cloud practices for scalable Java-based backend and Angular UI, with React Native support for mobile.

The role requires 9+ years IT experience including 5+ years in technical leadership, strong Java Spring Boot, Angular and React Native, plus AWS and CI/CD expertise.

Qualifications

• 9+ years of overall IT experience with 5+ years as Technical Lead
• Mandatory Certifications- Professional & Certified on JAVA is preferred.
• Mandatory Relevant Experience- 7+ years as a full stack developer with domain airport/airline domain skill

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.
• Drive continuous improvement and proactive monitoring.
• Collaborate with product owners, architects, and business stakeholders.

Skills

Java Spring Boot

Angular

React Native

AWS Cloud

REST APIs

CI/CD pipelines

Production support

Technical leadership

Domain airport/airline

Security & performance tuning

Tools

Docker

Kubernetes

Jenkins

GitHub Actions

Terraform

Cloud automation

Job description

Full Stack Senior Developer (domain airport/airline skill)

Job title- Full Stack Senior Developer (airport/airline domain skill)

Key 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.

Drive continuous improvement and proactive monitoring.

Collaborate with product owners, architects, and business stakeholders.

Technical Skills “Must Have”

Own production support, incident management, and root cause analysis and Ensure SLAs, uptime, and system reliability.

9+ years of overall IT experience with 5+ years as Technical Lead to handle the application support.

Strong hands-on experience in Java (Spring Boot, Microservices)

Solid experience with Angular and React Native

Proven experience with AWS Cloud services

Experience in application development and production support

Strong understanding of REST APIs, security, and performance tuning

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.

Technical Skills “Good to Have”

Knowledge of DevOps tools (Jenkins, GitHub Actions, Terraform, Cloud automation)

Experience with Docker and Kubernetes

Exposure to ITIL support processes

Experience in Agile / Scrum delivery models

Soft Skills

Mandatory Certifications- Professional & Certified on JAVA is preferred.

Mandatory Relevant Experience- 7+ years as a full stack developer with domain airport/airline domain skill

Optimum Solutions is an enterprise Digital & IT solutions and services company that engineers digital transformation for enterprises characterized by agility, efficiency and innovation.

The Company is headquartered in Singapore with 4000+ talented employees across offices and global delivery centers in 9 countries.

Optimum Solutions is an enterprise Digital & IT solutions and services company that engineers digital transformation for enterprises characterized by agility, efficiency and innovation.

The Company is headquartered in Singapore with 4000+ talented employees across offices and global delivery centers in 9 countries.