KESAV BALAJEE K

TruValidate – Fraud Prevention Platform

• Led the design and development of 5+ Spring Boot microservices, improving API latency by ~25% through non-blocking designs, async processing, and database query tuning.
• Owned Kafka-based distributed workflows processing 200K+ events/day, reducing consumer lag by ~40% via partition optimization, consumer tuning, and retry strategies.
• Architected and optimized OpenSearch queries, mappings, and aggregations, reducing search latency by ~35% for fraud and transaction analytics use cases.
• Defined and enforced secure API standards using OAuth2, JWT, and KONG gateway-level policies.
• Implemented KONG Request & Response Transformers using JQ plugins to dynamically modify headers, payloads, and routing logic for downstream microservices.
• Designed and maintained Swagger/OpenAPI specifications for internal teams and external partner integrations.
• Improved system reliability and troubleshooting by enhancing observability using Grafana, Kibana, and Glowroot, reducing MTTR by ~30%.
• Worked extensively with containerized deployments in Kubernetes environments, managing Helm charts, ConfigMaps, and secrets.
• Integrated and maintained CI/CD pipelines using Jenkins and Harness, enabling automated build, test, and deployment workflows.
• Collaborated closely with DevOps, Cloud, IAM, Security, and QA teams to ensure production readiness, compliance, and performance SLAs.
• Acted as a technical mentor, conducting code reviews, guiding best practices, and supporting junior developers.
• Successfully delivered multiple high-impact fraud prevention features with strict performance and security requirements.
• Reduced platform downtime and incident resolution time through proactive monitoring and logging improvements.
• Played a key role in standardizing microservice and API gateway patterns across teams.

• Project Name: LAVA
• Description: LAVA (Land Administration, valuation and Analytics), with web-access, using modern, current technology frameworks is developed to meet the needs of Land Administration jurisdictions worldwide
• Developed microservices using Java, Spring Boot, Hibernate, Liquibase.
• Implemented complex SQL functions, triggers, and indexing for multi-tenant land administration.
• Used Spring Security, AOP, Interceptors for validation and authorization.
• Built reporting modules using Jasper.

• Project Name: MDMS (Meter Data Management System)
• Description: Meter Data Management System Where the Data from
• Smart Meters like load survey, instantaneous, billing and events are pushed from meter to MDMS though modem and DCU with GSM configuration
• And with that data we will generate the Energy Accounting for the particular towns and circles for all over Tamil Nādu
• And we have handled over 519 town, 36 circles and 9 Regions all over Tamil Nādu
• Which comes under central govt scheme called IPDS (Integrated Power
• Development Scheme)
• Built REST APIs for large-scale MDMS system covering 519 towns, 36 circles, 9 regions.
• Improved backend performance and supported production deployment in Linux environments.

• Project Name: Inventory Management for E-Waste Management System
• Description: The Project is about Managing data of Catalog, employee, client, customer, procurement devices, selling devices, Invoice Details, repaired Info, profit & Loss Scale with looking up the details that you want to know about the details that the client Entered in the Inventory
• Developed backend modules for Inventory Management using Java, Spring Boot, MySQL.Design, Technical and Functional.