Senior Java Developer

Avensys is a reputed global IT professional services company headquartered in Singapore. Our service spectrum includes enterprise solution consulting, business intelligence, business process automation and managed services. Given our decade of success, we have evolved to become one of the top trusted providers in Singapore and service a client base across banking and financial services, insurance, information technology, healthcare, retail and supply chain.

We are currently looking to hire a Senior Java Developer. This is an exciting opportunity to expand your skill set, achieve job satisfaction and work-life balance. More details as below.

ROLES AND RESPONSIBILITIES

- Analyze and interpret legacy JSP UI and Java backend code to extract business rules and application logic and produce corresponding technical documentation to support API design and system modernization.

- Design APIs required to invoke existing Java methods, ensuring alignment with enterprise standards and reusability.

- Own and produce technical specifications including:

- API request and response schemas

- Data mappings between payloads and UI fields

- Invocation flow from UI to backend

- Collaborate closely with Business Analysts to finalize functional and technical designs, providing technical recommendations and alternatives where needed.

- Develop and enhance APIs and implement JUnit-based unit and integration tests, ensuring code quality and test coverage.

- Support and guide React developers and BAs during development and defect resolution phases.

- Perform code reviews, enforce coding standards, and mentor junior developers where applicable.

- Proactively identify technical risks, design gaps, and improvement opportunities, especially in legacy-to-modern architecture transitions.

- Operates with minimal supervision and owns medium to large technical components.

- Acts as a technical point of contact for backend/API design.

- Influences design decisions and contribute to solution architecture discussions.

- Balances hands-on development with technical leadership and stakeholder collaboration.

Top 3 Must Have Skills:

- Strong proficiency in Enterprise Java and backend frameworks such as Spring (Boot), Hibernate, JPA, with hands-on experience designing scalable enterprise solutions.

- Solid experience with enterprise DBMS, preferably IBM DB2, including complex queries, performance tuning, and data modeling.

- Good understanding and working experience with JSP & JSF, especially in maintaining and modernizing legacy applications.

Good-to-Have Skills (Optional)

- Familiarity with AWS cloud infrastructure and services (e.g., EC2, RDS, S3, Lambda).

- Exposure to frontend development, particularly React and TypeScript, and working closely with UI teams.

- Familiarity with Figma and collaborating with designers during UI/UX discussions.

WHAT’S ON OFFER

You will be remunerated with an excellent base salary and entitled to attractive company benefits. Additionally, you will get the opportunity to enjoy a fun and collaborative work environment, alongside a strong career progression.

To submit your application, please apply online or email your UPDATED CV in Microsoft Word format to [email protected]. Your interest will be treated with strict confidentiality.

CONSULTANT DETAILS

Consultant Name: Keerthana Ramakrishnan

Avensys Consulting Pte Ltd

EA License 12C5759

Privacy Statement: Data collected will be used for recruitment purposes only. Personal data provided will be used strictly in accordance with the relevant data protection law and Avensys' privacy policy.