Vishal Bhalla

About Vishal Bhalla

Backend Engineer with 7+ years of experience building scalable, high-performance distributed systems across telecom, payments, and insurance.Currently at Airtel Digital, working on multi-tenant microservices handling ~45M+ records/month with TPS, focusing on performance, reliability, and clean architecture.Key work:• Built multilingual platform using JSON tree traversal + rule-based engine → reduced localization effort by ~70% • Developed scalable data pipelines (PostgreSQL, Kafka, Debezium, Elasticsearch) → <2s sync lag,~40% faster search • Built online payments platform (Java, Spring Boot) → improved transaction success rates and customer experience Tech: Java, Spring Boot, PostgreSQL, Kafka, Redis, Elasticsearch, Docker, Kubernetes Exploring AI + Backend systems (RAG, LLMs, search relevance).

Experience

1. Lead Engineer

   Airtel Digital

   Jun 2025 — Present · Gurugram, IN

   Building scalable, secure, and high-performance distributed systems.Currently at Airtel Digital, working on multi-tenant microservices handling ~4.5 crore (45M+) records/month across multiple tenants with TPS read load.Key work:• Built multilingual platform using JSON tree traversal + rule-based translation engine → Enabled dynamic API response translation across multiple services without data duplication → Reduced localization effort by ~70% and improved response consistency across tenants Strong focus on system design, performance optimization, and clean architecture (SOLID, extensible frameworks).Currently exploring AI + Backend systems (RAG pipelines, search relevance, LLM integration).

Education

• Scaler

  Bachelor of Technology - BTech, Computer Science

• Punjabi University

  B. tech , Engineering

  2014 — 2018

• Scaler

  Software engineering, Computer Software Engineering