Backend & Distributed Systems Engineer with 6+ years of experience building high-scale, low-latency, mission-critical systems for large B2C platforms. Experienced in handling 6M+ RPM, 30M+ active users, sub-50ms latencies, and >99.9% availability. Strong focus on system design, observability, reliability, data platforms, and ML/LLM-powered features.

Core Skills & Technologies

Backend & Systems: Java, Go, Spring Boot, REST, gRPC, GraphQL

Data & Storage: SQL, DynamoDB, Redis, Elasticsearch

Streaming & Events: Kafka, Messaging Queues

Cloud & Infra: AWS, Databricks, Docker, Kubernetes

Monitoring: Prometheus, Grafana

DevOps: Git, CI/CD, Documentation, Agile practices

Competencies:

• Distributed Systems Architecture
• Microservices Design
• Real-Time Event Processing
• Search, Listing & Recommendation Systems
• Performance Optimization & Latency Reduction
• API & Database Modeling
• Reliability Engineering & Experimentation

Highlighted Achievements & Projects

Search Systems & Platforms

• Designed end-to-end search frameworks for multiple verticals with 200K+ restaurants & 70M+ items.
• Built real-time ingestion pipelines processing 300K+ RPM with sub-20ms latency across multiple consumers.
• Deployed LLM-powered vector search (768-dim embeddings) achieving:
• +3% conversion uplift
• +2.3% ads RPO improvement
• Improved search latency by 50%, bringing P95 to <150ms through custom analyzers & ES tuning.
• Built contextual ad-placement systems driving 15% uplift in ad revenue.

Recommendations, Listings & Ranking

• Built cuisine recommendation engine serving 1M+ requests per minute and improving homepage engagement by 4.5%.
• Delivered bestseller tagging & ML-driven ranking pipelines improving AOV.
• Developed rule-based scoring engine reducing tuning cycles from hours → seconds.

Platform Reliability & Infra Excellence

• Maintained 100% uptime during peak events (NYE, IPL) with 5× traffic surges.
• Reduced infra cost by ~20% through optimized event processing & Redis→Val-key migration.
• Built internal configuration-management system reducing resolution time from 24 hours → <5 minutes.
• Ensured ≥99.9% availability, strong MTTR discipline, and robust DR/BCP processes.

Leadership & Delivery

• Led teams for search, ingestion, and ranking systems; mentored 6+ engineers.
• Owned on-call reliability, CI/CD, MTTR reduction, RCA quality, and war-room processes.
• Recognized with internal awards for scaling search platforms & major product launches.

Experience Snapshot

Current: Senior Backend Engineer (High-Scale B2C Platform)

Focus areas: Search, distributed systems, event processing, ML/LLM search, reliability engineering.

Past Roles:

• Backend Engineer – API & Microservices
• Built GraphQL gateways, optimized database engines, reduced latency & CPU usage significantly.
• Implemented observability stacks and high-coverage testing frameworks.
• Multiple top-performance awards.