Senior Java Backend Engineer (Microservices & Spring Boot)

IO TECH SOLUTIONS LIMITED; Hong Kong; On-site; HKD 600,000 - 900,000; Full time

Job summary

IO TECH SOLUTIONS LIMITED in Hong Kong is seeking an experienced Backend Engineer to design, build, and maintain secure, scalable services powering our digital products. You will work with cross-functional teams to deliver robust microservices and REST APIs.

You will apply lean and agile practices, participate in Scrum ceremonies, and ensure strong test coverage with unit and integration tests. Proficiency in Java 17+, Spring Boot, Spring Cloud, Docker and Kubernetes is essential.

Qualifications

• Bachelor's degree or equivalent in a technical field.
• 5+ years building microservices and REST-based systems.
• Experience in product-oriented, Agile/DevOps environments.
• Strong Java 17+ and Spring Boot/Spring Cloud expertise.
• Familiarity with Docker, Kubernetes, and MySQL on cloud.
• Ability to write unit tests and apply TDD.

Responsibilities

• Design, build, and maintain scalable backend services.
• Develop microservices and REST APIs for new features.
• Collaborate with cross-functional teams in Scrum.
• Maintain production systems and investigate incidents.
• Ensure test coverage with unit and integration tests.
• Participate in architecture and code reviews.

Skills

Java 17+

Spring Boot

Spring Cloud

REST APIs

Microservices

Agile/DevOps

Cloud platforms

Unit testing

OOP / Design patterns

Education

Bachelor's degree in a technical field

Tools

Docker

Kubernetes

MySQL

Amazon RDS

AWS

Job description

IO TECH SOLUTIONS LIMITED in Hong Kong is seeking an experienced Backend Engineer to design, build, and maintain secure, scalable services powering our digital products. You will work with cross-functional teams to deliver robust microservices and REST APIs.

You will apply lean and agile practices, participate in Scrum ceremonies, and ensure strong test coverage with unit and integration tests. Proficiency in Java 17+, Spring Boot, Spring Cloud, Docker and Kubernetes is essential.