📍 Kolkata, India 711101 📧 d19sen@yahoo.com | 📞 +91 8981602712 🔗 LinkedIn

Results-driven Senior Full Stack Developer with 8+ years of experience in building scalable web applications and distributed systems. Adept in microservices architecture, system design, API development, and cloud-native services. Strong leadership in mentoring teams and implementing enterprise-level solutions using modern tech stacks.

• Frontend: React.js, Vue.js, Angular, JavaScript, TypeScript
• Backend: Node.js, Express.js, Laravel, PHP
• Architecture & Design: Microservices, System Design, API Gateway, Microservice Patterns
• Cloud & DevOps: AWS, Azure, GCP (Pub/Sub, Queue), Docker
• Authentication & Security: Microsoft Entra ID, OAuth
• Databases & Caching: PostgreSQL, MySQL, Redis, TypeORM, Drizzel ORM
• Messaging & Job Queues: GCP Pub/Sub, Kafka, BullMQ
• Real-Time & Communication: WebSockets, gRPC
• APIs: REST, GraphQL
• Tools: Git, GitHub, GitHub Actions, DevTools, CLI, Linux/Unix
• Practices: Code Review, CI/CD, Performance Optimization, Debugging, Agile/Scrum

PwC Acceleration Center, Kolkata Aug 2021 – Present

• Led junior developers and conducted rigorous code reviews to uphold quality standards.
• Built performant UI components using React.js and Node.js for enterprise dashboards.
• Implemented microservice architecture using Express.js and Node.js for enhanced modularity and scalability.
• Created an API Gateway integrated with Microsoft Entra ID-based Auth Service using proxy middleware for secure request routing.
• Designed and deployed a Notification Service leveraging GCP Pub/Sub and a custom queue system using BullMQ to manage asynchronous job processing.
• Automated previously manual workflows to significantly boost process efficiency.
• Designed and optimized database schemas to support new product features.
• Deployed services to Google Cloud using GitHub Actions for streamlined CI/CD.

CodeClouds, Kolkata Mar 2019 – Aug 2021

• Developed reusable Vue.js components and Laravel backends across multiple projects.
• Integrated third-party CRMs (Sticky.IO, Konnektive) for seamless customer management.
• Oversaw product lifecycle from MVP to production, optimizing time-to-market.
• Established technical strategies to increase maintainability and scalability.

Xelpmoc, Kolkata Nov 2018 – Mar 2019

• Built Angular components and REST APIs for a digital parenting platform.
• Enhanced system reliability through systematic code debugging and profiling.
• Supported sprint planning and team collaboration for timely project deliveries.

Sterling AG, Kolkata Mar 2016 – Oct 2017

• Designed and deployed end-to-end web solutions using HTML, CSS, JavaScript.
• Architected efficient database schemas and leveraged AWS for cloud deployments.
• Improved development cycles by researching and integrating new technologies.

Bachelor of Computer Applications (BCA) Techno India Saltlake, Kolkata Focus: Computer & Information Systems Security Graduated: 2018

• Bright Beginner Award – PwC AC (2022)
• Territory Spot Award – PwC AC (2023)
• Knowledge Accelerator Award – PwC AC (2024)
• 2nd Place – Hackathon @ B.P. Poddar Institute (2016)
• 3rd Place – 404: Page Not Found @ Techno India (2014)