Backend Engineer (Java/Hadoop)

Work location: Changi Business Park (bank)

Backend Engineer (Java/Hadoop)

We are seeking an experienced Backend Engineer with strong Java and Hadoop expertise to support a Hadoop data layer modernization initiative. The successful candidate will be responsible for application enhancements, backend integration, platform migration activities, testing support, troubleshooting, and production stabilization within a distributed data processing environment.

Project Goals

• Support application modernization and platform transition activities.
• Ensure application stability, compatibility, and performance throughout the project lifecycle.
• Identify, diagnose, and resolve technical issues arising from platform changes.
• Implement required backend enhancements and remediation work.
• Validate application functionality through testing and quality assurance activities.
• Support successful deployment and operational readiness.

Project Scope

The project primarily involves:

• Impact Assessment Analyze existing application components, services, and batch processes to identify areas requiring modification.
• Application Enhancement & Remediation Design and implement code changes to support evolving platform requirements while preserving existing business functionality.
• Backend Development & Integration Develop and enhance Java backend services, APIs, and integration components.
• Testing & Validation Perform unit testing, integration testing, system testing, and regression testing to ensure solution quality.
• Troubleshooting & Issue Resolution Investigate and resolve application defects, performance issues, and deployment challenges.
• Deployment & Production Support Support deployment activities, release validation, and post-implementation stabilization.
• Documentation Maintain technical documentation, implementation artifacts, and operational procedures.
• Collaboration Work closely with development, QA, infrastructure, and architecture teams to ensure successful delivery.

Project Milestone

• Successful completion of development of project objectives.
• Successful completion of regression, considering both functional and performance testing
• Support and follow through all deployment milestones.
• Complete technical documentation and knowledge transfer.

Project Details

Application: Enterprise Java Application with Hadoop Data Storage

Project Focus: Backend Development, Platform Modernization & Data Platform Integration

Required Skillset:

• Strong Java backend development experience
• Hadoop ecosystem knowledge (HDFS and related technologies)
• Experience working with distributed data platforms and large-scale applications
• Spring Boot / Spring Framework
• REST API development
• Linux / Shell scripting
• Git, Bitbucket, Jira
• Troubleshooting, performance tuning, and production support experience
• Experience with storage platform migration or modernization projects is advantageous.