Sourabh S.

About Sourabh S.

Java Backend Developer with 3+ years of experience designing and building scalable, secure, and high-performance enterprise applications. Strong expertise in Spring Boot–based microservices, REST APIs, and event-driven architectures using Kafka.Proven track record in database migration (Oracle to PostgreSQL), backend performance optimization, and secure application development, including SOX-compliant encryption and vulnerability remediation. Hands-on experience deploying and modernizing applications on AWS, driving cloud adoption and operational efficiency.Known for delivering reliable solutions in complex telecom environments, collaborating effectively with cross-functional teams, and continuously improving system quality and performance. Passionate about clean architecture, problem-solving, and building backend systems that scale.

Experience

1. Java Backend Developer

   Wipro

   Oct 2022 — Present · Gurugram, IN

   Built and deployed scalable REST APIs using Java, Spring Boot, and Salesforce Bulk API, automating dealer data ingestion from legacy Oracle dynamic views and eliminating dependency on external ETL tools- Designed a config-driven data transformation framework using PL/SQL, enabling dynamic business rules and supporting a commercial telecom launch with zero post-go-live data issues- Led end-to-end database migration from Oracle to PostgreSQL, refactoring schemas and queries for SQL compatibility, null handling, and performance, improving maintainability and execution efficiency- Improved backend performance by ~40% through SQL optimization, indexing strategies, and PL/SQL refactoring, reducing latency in high-volume transactional workflows- Implemented SOX-compliant secure file transfers using PGP encryption, strengthening data security for enterprise integrations- Modernized backend services for AWS deployment, improving reliability and environment consistency across development and production- Resolved 100+ security vulnerabilities identified via Kiuwan, enabling secure releases and improving overall code quality- Delivered L2/L3 production support with 95%+ SLA adherence, leading defect triage and RCA across 2 application teams to stabilize critical backend systems- Delivered production-ready backend features through clean architecture, refactoring, and thorough validation, ensuring smooth releases and minimal production defects.

Education

• Jaipur Engineering College and Research Centre (JECRC)

  Bachelor of Technology - BTech, Mechanical Engineering

  2018 — 2022