Java API backend Developer

Tata Consultancy Services; Hong Kong; On-site; HKD 400,000 - 550,000; Full time

Job summary

Tata Consultancy Services is seeking experienced backend developers in Hong Kong to join our innovative team focused on sustainable development. You will take ownership of modules for end-to-end development and collaborate with cross-functional teams to design scalable applications.

The ideal candidate should possess strong expertise in Spring Boot, Java, and API design best practices. Join us at TCS to drive sustainability through technology and talent.

Qualifications

• Experienced backend developer with strong expertise in Spring Boot and related technologies.
• Proficiency in building RESTful APIs.
• Understanding of API security standards such as OAuth2 and JWT.

Responsibilities

• Take ownership of modules for end-to-end development.
• Define design functional specifications and technical specifications.
• Review code and enforce quality standards.

Skills

Spring Boot

Java

API design best practices

Microservices architecture

Containerization (Docker/Kubernetes)

Tools

Jenkins

Git

Maven

Job description

Join Tata Consultancy Services, Asia Pacific and be part of an organization committed to sustainable development for our future. TCS follows the Tata group philosophy of building sustainable businesses that are rooted in the community and demonstrate care for the environment. Our unique values position us to combine a purpose-driven worldview with digital innovation, collaborating with customers, communities and governments to lead and shape innovative solutions for a sustainable future. TCS has been carbon neutral in its operations across 11 countries, 12 delivery centres and 18 offices in Asia Pacific since 2022. This is only the initial stage in TCS’ journey as we strive to achieve long‑term net zero emissions by 2030.

Corporate sustainability is embedded in our triple‑bottom‑line, focusing on people, the planet, and our purpose. Our offices are designed with eco‑friendly features that significantly reduce our carbon footprint and enhance energy efficiency. We actively champion green initiatives, such as promoting paperless operations, implementing energy‑efficient practices, and fostering employee engagement in sustainability efforts. When you become part of the TCS family, you will play an essential role dedicated to innovation, excellence, and crafting a brighter, greener future together. Join us and be a part of our mission to drive sustainability through technology and talent at Tata Consultancy Services, APAC today.

Responsibilities

• Take ownership of modules given for end‑to‑end development.
• Define Design Functional specification and Technical specification
• Review code, enforce quality standards, and guide team members.
• Design and develop scalable applications
• Handle integration with databases and third‑party systems.
• Ensure security, scalability, cost optimization, and monitoring.
• Collaborate with product owners, architects, and business stakeholders.

Technical Skills “Must Have”

Resource Requirement

We are seeking experienced backend developers with strong expertise in Spring Boot and related technologies to join this initiative. The ideal candidate should possess:

Technical Skills

• Proficiency in Spring Boot for building RESTful APIs.
• Strong understanding of Java and object‑oriented programming principles.
• Experience with API design best practices, including versioning, security, and documentation.
• Familiarity with microservices architecture, Spring Cloud, and containerization (Docker/Kubernetes).
• Knowledge of database integration (SQL/NoSQL) and ORM frameworks such as Hibernate.
• Hands‑on experience with CI/CD pipelines and tools like Jenkins, Git, and Maven.

Technical Skills “Good to Have”

Additional Skills

• Understanding of API security standards (OAuth2, JWT).
• Ability to work in an Agile environment and collaborate effectively with cross‑functional teams.
• Good problem‑solving and debugging skills.