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Himalayas

Senior Backend Engineer – (Java & Mobile Applications) - WFH

IO Tech Solutions LimitedLast week

Where you can work from
Remote — Hong Kong onlyHong Kong
Salary
Salary not disclosedThe employer did not publish a range. We do not estimate one.
Job type
Full-time
Experience
Senior

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Job description

Backend Developer

Position Summary

As a Backend Engineer, you'll be responsible for crafting usable, adaptable, reliable, and secure software. You'll use the latest lean and agile thinking to solve tough problems and challenge yourself every day. You'll play an important role in driving our digital projects to success.

Primary Responsibilities

  • Collaborate with others to invent, implement, and deploy new systems and improvements to existing systems
  • Engineer new systems and changes to existing systems to support new functionality
  • Build functionality to ship new experiences and technologies
  • Maintain production systems and perform root cause analysis of issues to assist in determining the source of problems
  • Active participation in the Scrum process
  • Ensure good development testing coverage of unit and integration testing
  • Participate in peer design and code reviews
  • Participate in architecture design planning
  • Proactively collaborate with teammates and communicate with the remote team

Requirements

  • Bachelor's degree in a technical field, or equivalent work or training experience
  • Minimum of 5 years working on micro-services / web-based systems (REST)
  • Experience working in a product-oriented, team-based environment that uses modern digital delivery approaches such as user experience design, lean, agile, DevOps, and cloud computing
  • Proficiency with Java 17 or above, preferably JDK25
  • Proficiency with Spring Boot and Spring Cloud frameworks
  • Experience with RDS (MySQL)
  • Understanding of Docker, Kubernetes
  • Ability to write Unit tests and follow TDD principles
  • Strong understanding of design patterns, OOP, development methodologies

Nice to have

  • Experience with NodeJS, express
  • Experience with data caching, e.g. Redis
  • Experience with Elasticsearch or OpenSearch
  • Knowledge of AWS services: S3, Secrets, SES, EC2
  • Understanding of messaging systems principles (Kafka, Rabbit, etc.)
  • Experience with Kafka, MQTT
  • Experience with tools like Swagger

Skills and Competencies

  • Expertise in engineering micro-services / web-based systems
  • Knowledge of engineering fundamentals and architecture
  • Able to think holistically around engineering issues
  • A thoughtful, adaptive, and positive mindset
  • Empathetic, humble, and collaborative mindset
  • Proactively communicate clear status updates, technical assumptions, and early risk indicators
  • Effective written and verbal communication skills in English

Originally posted on Himalayas

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Job availability & source

Still listed on the employer's own board at our last check, 6 days ago

This job was originally posted by the employer or source shown below. We re-check the original listing regularly to keep its availability current, and send you straight to it to apply — we never sit in between.

Source
Himalayas
Posted by the employer
11 Oct 2026
First seen by us
13 Oct 2026
Last checked
18 Oct 2026

via Himalayas — view on source

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