Backend Developer Lead (Java)

Zenith Infotech (S) Pte Ltd. was started in 1997, primarily with the vision of offering state-of-the-art IT Professionals and solutions to various organizations and thereby helping them increase their productivity and competitiveness. From deployment of one person to formation of whole IT teams, Zenith Infotech has helped clients with their staff augmentation needs. Zenith offers opportunity to be engaged in long term projects with large IT savvy companies, Consulting organizations, System Integrators, Government, and MNCs.

EA Licence No: 20S0237

Roles and Responsibilities:
1. Strong proficiency in Java backend development, with deep hands-on experience in frameworks and libraries such as Spring, Spring Boot, Spring Batch, Hibernate, and microservices architecture.

2. Strong experience working in AWS environments, including designing and configuring ECS task definitions, integrating with AWS services via AWS SDK, and supporting cloud-native application deployments.

3. Strong understanding of testing strategies and frameworks, including JUnit, Mockito, PowerMock, with the ability to define and enforce unit testing standards across the team.

Good to have skills:

1. Experience with React.js and Node.js to support full-stack discussions and API-to-UI integration.

2. Experience in scripting for test automation and data migration activities.

3. Experience developing AWS Lambda functions using Python.

Detailed Job Description:

Technical Delivery & Design
Lead the design and development of backend microservices, including APIs for UI backends and integrations with external applications, ensuring alignment with architectural standards and non-functional requirements.
Oversee the development of batch processing programs (e.g. Spring Batch) to handle large-volume data processing within defined schedules and operational windows.
Provide technical design guidance on service decomposition, API contracts, error handling, logging, and resiliency patterns.
Leadership & Team Enablement
Act as the technical lead for the backend development team, providing guidance, mentorship, and code-level support to developers.
Review code and design artifacts to ensure coding standards, security best practices, and performance guidelines are consistently applied.
Support sprint planning and task estimation by breaking down backend work into clear, actionable technical tasks.
Quality, Performance & Operations
Drive application performance tuning and troubleshooting, ensuring backend services meet SLA, scalability, and reliability requirements.
Define and enforce unit testing and code quality practices, ensuring adequate coverage and early defect detection.
Collaborate with DevOps and infrastructure teams to ensure smooth deployment, monitoring, and operational readiness of backend services.
Stakeholder & Cross-Team Collaboration
Work closely with Business Analysts, QA, and Solution Architects to clarify requirements, resolve technical risks, and support defect resolution across environments.
Provide technical input during design discussions and reviews, highlighting dependencies, constraints, and trade-offs.