Vaddi Poorna Saikiran
Java Backend Engineer
Summary
Results-driven IT professional with 7+ years of overall experience, currently working as a Production Support Engineer for a large-scale Insurance Communication System. Skilled in on-call operations, incident response, and system monitoring to ensure service reliability. Past roles included ETL run operations and enhancements, and credential management using CyberArk. Actively transitioning into a Java Backend Engineer role, with a strong foundation in object-oriented design, system design principles, and problem solving.
Overview
7
7
years of professional experience
2
2
Certifications
Work History
Production Support Engineer
TATA Consultancy Services (Client: USAA - P&C Auto Insurance)
09.2022 - Current
- Monitored the production communication system for outages and anomalies caused by network issues, connectivity failures, and server health problems, ensuring minimal impact through swift action.
- Served as an on-call engineer, coordinating with relevant teams to resolve incidents within defined SLOs.
- Analyzed recurring and new error patterns, identifying root causes, and proposing appropriate long-term fixes to development and infrastructure teams.
- Investigated user-reported content discrepancies, analyzed the underlying issues, and recommended corrections.
Java Developer
TATA Consultancy Services (Client: USAA)
11.2019 - 08.2022
- Migrated hardcoded service account credentials from Java EE applications to CyberArk, significantly enhancing security and eliminating credential exposure.
- Integrated secure database connectivity using CyberArk-managed service accounts, and set up monitoring for service account activities.
- Coordinated with the application, security, and database teams to ensure a smooth migration, implementing rollback mechanisms using feature flags for controlled deployment.
ETL Operations and Support Engineer
TATA Consultancy Services (Client: Cardinal Health)
05.2018 - 11.2019
- Monitored critical daily, weekly, and monthly ETL jobs, ensuring smooth execution, and proactively resolving failures related to database connectivity and server issues.
- Provided L1.5 support and delivered minor application enhancements using SQL, IBM DataStage, and Dell Boomi, as per evolving client requirements.
- Performed routine administrative tasks such as server health checks, manual document generation via ETL jobs, and access management.
Education
Bachelor of Science - Computer Science
Gandhi Institute of Technology And Management
Visakhapatnam, India 04.2001 -
Skills
Java 8
personal projects
Order Processing and Real-Time Analytics System
Tech Stack: Java 8, Spring Boot, Apache Kafka, Kafka Streams, MySQL, Docker, OpenShift, GitLab CI/CD, ELK Stack, Prometheus, Grafana, Spring Security
- Developed a backend system that processes customer orders, performs real-time sales analytics using Kafka Streams, and provides secure REST APIs for order management with integrated monitoring and CI/CD deployment.
Certification
AWS Certified Cloud Practitioner – Amazon Web Services (2025)
Timeline
Production Support Engineer
TATA Consultancy Services (Client: USAA - P&C Auto Insurance)
09.2022 - Current
Java Developer
TATA Consultancy Services (Client: USAA)
11.2019 - 08.2022
ETL Operations and Support Engineer
TATA Consultancy Services (Client: Cardinal Health)
05.2018 - 11.2019
Bachelor of Science - Computer Science
Gandhi Institute of Technology And Management
04.2001 -
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