Full Stack Engineer
Gurugram, Haryana, India
singhaldivyanshu2001@gmail.com | LinkedIn | GitHub | CodeChef
Results-driven Full Stack Developer with over 2 years of experience building full stack applications. Proficient in managing dual-stack environments, leveraging Core PHP/Laravel for robust legacy systems while architecting modern Node.js/React solutions. Specialized in Event-Driven Architectures, performance optimization, and reliable messaging layers with a focus on cross-platform integration.
- Backend: Node.js, Express.js, Socket.io, Core PHP, Laravel, CodeIgniter.
- Frontend: React.js, Tailwind CSS, JavaScript (ES6+), HTML5/CSS3.
- Databases: MySQL, MSSQL, Elasticsearch (NoSQL)
- DevOps & Tools: PM2 (Process Management), Git, Linux (Ubuntu/Debian), IIS, Apache.
- Architecture: Transactional Outbox Pattern, Offline Data Sync, RESTful API Design.
Gurugram, Haryana | September 2024 – Present
- Architected a Scalable Real-Time Messaging Engine: Engineered a Node.js and Socket.io backend supporting thousands of concurrent connections. Implemented a custom event-synchronization layer and multi-stage ACK flow to guarantee 100% message delivery for offline users and low-bandwidth environments.
- Cross-Functional Technical Collaboration: Partnered with IoT developers to design data-exchange protocols for hardware integration and collaborated with mobile/frontend teams to ensure seamless state management for real-time chat features.
- Modernization Leadership: Pioneered the organization’s shift to a JavaScript-first stack; introduced React.js for administrative monitoring dashboards and deployed the first enterprise Node.js services using PM2 for high availability.
- Performance Engineering: Optimized legacy system response times by 80% through the implementation of asynchronous task queues and lazy-loading strategies for media assets.
Gurugram, Haryana | October 2023 – September 2024
- Hybrid Data Architecture: Reduced data retrieval latency by 60% for a high-traffic job portal by architecting a dual-layer storage system between MySQL (Relational) and Elasticsearch (NoSQL).
- Advanced API Integrations: Developed and deployed secure integration modules for ChatGPT (automated content) and Razorpay (financial transactions).
- System Optimization: Provided critical bug fixes and architectural improvements for legacy HRMS and Visitor Management systems, extending their lifecycle and stability.
- Mentorship: Actively participated in technical screenings for new hires and mentored 3 interns.
Build a Modern Computer from First Principles (Nand to Tetris): Hebrew University of Jerusalem, Israel (2025). link
- Covered logic gates, ALU design, Assemblers, Virtual Machines, and High-Level Compilers.
Bachelor of Technology, Computer Science and Engineering ( First Division )
Maharishi Dayanand University, Rohtak | 2019 –2023