Introduction
Work Experience
Education
Technical Skills
Asia/Kolkata
English
Hindi
Urdu
Software Engineer with 2+ years of experience building scalable full-stack applications for a high-growth CRM platform. Increased system throughput 20x, reduced deployment cycles from 2 weeks to 2 days via CI/CD, and lowered AWS costs significantly. Skilled in performance optimization, cloud systems, and delivering production-ready solutions across the full SDLC.
Work Experience
TelecrmJuly 2023 - Present
Software Engineer- Architected and scaled distributed messaging infrastructure, increasing WhatsApp broadcast capacity 20x (5K to 100K leads) by redesigning queue processing and resolving critical Redis latency bottlenecks in a high-traffic CRM system.
- Owned end-to-end development of a full-stack WhatsApp Cloud API platform using Node.js, Angular, AWS, MongoDB, and Redis — delivering messaging automation, conversation analytics, interactive messaging, campaign management, and embedded signup onboarding.
- Designed a full analytics platform and data pipeline, building a MongoDB to PostgreSQL ETL system and deploying Metabase on Docker/EC2, enabling self-serve analytics for non-technical stakeholders. Also built an AI-powered SQL query generator using prompt engineering and Metabase metadata.
- Led CI/CD and developer productivity improvements — designed a Bitbucket + AWS automated deployment pipeline that reduced production release cycles from 2 weeks to 2 days, parallelized build pipelines (60 min to 10 min), and standardized cross-platform build tooling with OS-agnostic build scripts.
- Modernized the frontend architecture by leading the migration from Angular 13 to Angular 17 and Webpack to esbuild, improving build performance, security (CSP with nonce support), and long-term maintainability across the platform.
- Improved system performance and latency by introducing multi-layer caching (in-memory RAM cache + Redis), query optimization strategies, and an EntityFilterGroup system that auto-generates MongoDB/Atlas Search queries — significantly reducing API response times and database load.
- Enhanced platform reliability and observability by implementing structured logging, timeout monitoring, Sentry-based error tracking, and request timeout logs for better visibility and proactive production issue resolution.
- Strengthened application security across web and mobile platforms by implementing CSP with nonce support, SSL pinning, root detection, HTTP request restrictions, and secure JWT invalidation using Redis.
- Solved critical production issues including Redis latency bugs that took down servers, MongoDB Atlas Search index health issues caused by large objects, websocket fd limit issues on AWS API Gateway, Android LMDK daemon killing issues (Android 14+), and replication lag causing broadcast and bulk edit failures.
- Built and shipped mobile-first features including push notifications (Android + iOS), iOS deeplinks, click-to-call via native websockets, virtual scrolling for performance, state restoration service for Android, and Capacitor v5 to v7 migration.
- Opened public APIs for lead management, created a syncMethod decorator for serializing function calls, implemented a pending promises queue for background task offloading, and migrated AWS SDK from v2 to v3 across the entire project.
- Trained a Whisper AI model to transcribe audio recordings for the CRM application.
- Took part in client meetings, code reviews, design discussions, and architecture discussions — mentoring engineers and influencing technical direction across the team.
Education
Zakir Husain College of Engineering and Technology, AMUBachelor of Technology in Computer Engineering (2019-2023) — CGPA: 9.22/10
Technical Skills
Backend & APIsNode.js, Express.js, REST APIs, Webhooks, WebSockets, Microservices architecture. Experienced with building scalable distributed systems, queue processing, and real-time communication layers.
Node.js
JavaScript
TypeScript
Databases & CloudMongoDB, PostgreSQL, Redis, AWS (EC2, Lambda, S3, SQS, SNS, API Gateway). Experience with Atlas Search, ETL pipelines, multi-layer caching strategies, and cloud infrastructure optimization.
MongoDB
Redis
AWS
PostgreSQL
Frontend & MobileAngular 17+, React, HTML5, SCSS. Experience with mobile development using Capacitor, virtual scrolling, state management, and cross-platform builds.
Angular
React
DevOps & ToolsCI/CD pipelines (Bitbucket Pipelines), Docker, Linux (Ubuntu, Manjaro, Arch), Git, Sentry, Metabase. Experience with automated deployments, build optimization, and monitoring infrastructure.
Docker
Linux
Git
LanguagesProficient in Java, JavaScript (ES6+), TypeScript, C++, Python, and SQL.
Java
Python
C++