Supriya Honakeri

Java Backend Developer (Apprenticeship)

Standard Chartered Global Business Services

Jul 2025 - Jul 2026

Developed and maintained enterprise backend services using Java 17, Spring Boot, and Spring Data JDBC. Contributed to the migration of backend persistence from Cassandra to Oracle, ensuring data consistency and smooth migration of enterprise applications. Developed and enhanced Aggregate, Repository, Adapter, DAO, and Secondary Key classes to support Oracle-based persistence. Modified entity models and Oracle schema mappings to align with relational database design. Implemented migration logic using configuration flags such as isOracleMigrated to support phased migration with minimal impact on production systems. Worked across multiple backend modules within a multi-module Maven project, contributing to shared services, repository implementations, caching modules, and configuration files. Developed and enhanced Loader classes responsible for loading enterprise reference data into Oracle databases. Validated successful data loading into Oracle databases and verified synchronization with distributed cache. Worked with Hazelcast MapLoader implementations for high-performance caching and low-latency data retrieval. Configured and maintained YAML configuration files for Oracle migration and environment-specific deployments. Built, deployed, and monitored backend services using Azure DevOps CI/CD pipelines and OpenShift. Managed source code using Git and Azure DevOps, including feature branches, pull requests, merge conflict resolution, and code integration. Used Swagger/OpenAPI for API documentation, endpoint validation, and backend service testing. Tested and validated REST APIs using Postman by verifying request/response payloads, business logic, and backend integrations. Configured, validated, and tested business rules using the Apollo Rules Engineering GUI to support trading workflows and business rule execution. Tested business scenarios to verify rule execution, including validating customer eligibility for trading based on configured business rules. Monitored production applications using Kibana, analyzed logs, identified root causes, and resolved backend issues. Collaborated with developers, QA engineers, DevOps teams, architects, and business stakeholders throughout development, migration, deployment, and production support activities. Participated in code reviews, pull request validation, and collaborative development using Git and Azure DevOps.