SHUBHAM VATS | Gravity Talent Portal

SHUBHAM VATS | Gravity Talent Portal

Projects

Loan Box (Enterprise Fintech Platform)

January 1, 2019 – January 1, 2026

Developed a comprehensive web portal to manage customer and vehicle details, support multiple financiers, and enable financier-specific document verification processes. The system tracks loan information, loan processing stages, and document approval workflows, along with tranche-wise and configuration-driven disbursement management. It also includes automated incentive calculation mechanisms based on configurable business rules, ensuring accurate allocation of incentives to respective managers and agents. • Implemented centralized error handling across APIs with database logging and automated email alerts for critical failures, enabling faster issue detection and resolution. • Designed and developed a scalable microservices architecture featuring end-to-end encryption, multi-entity request handling, Redis caching, and secure multi-database management. • Built high-performance backend workflows including asynchronous CSV processing using worker threads and advanced SQL optimization (indexing, query refactoring, execution plan analysis, and partitioning). • Improved overall system performance by 40-60%, reduced API response time by approximately 45%, enhanced database query efficiency by approximately 50%, and increased large-data processing throughput by approximately 3x.

FanBlaze

January 1, 2019 – January 1, 2026

A mobile application that provides cricket-related news and information about upcoming matches and events. • Developed FanBlaze, a cricket news platform, using Node.js, Java, Android, AWS, CI/CD, and Docker. • Enabled admin-managed news feeds for users. • Integrated Google FCM for push notifications. • Implemented deep linking via Branch.io for seamless in-app navigation.

YLIWAY (Social Network Platform)

January 1, 2019 – January 1, 2026

A social networking platform, similar to LinkedIn, offers personalized course recommendations and sales based on users' interests and professional profiles. • Built a scalable social networking platform using Node.js, React.js, Next.js, MongoDB, microservices, AWS, Docker, and CI/CD within a 12-member agile team. • Implemented secure social authentication (Google, Facebook, LinkedIn), real-time notifications using Socket.io, and live session streaming via Zoom SDK. • Developed personalized interest-based course and group recommendations to improve user engagement. • Implemented background cron services for subscription reminders and integrated SendGrid for automated email communication.

Artis academy (E-Learning Platform)

January 1, 2019 – January 1, 2026

An online course provider web application, that provides training in Foreign Exchange and Cryptocurrencies. • Developed an e-learning platform using Node.js, React.js, Next.js, MongoDB, Microservices, AWS, Docker, and CI/CD in an 8-member agile team. • Implemented secure OTP-based authentication, real-time video/audio streaming via Agora SDK, and Stripe payment gateway integration. • Integrated Google Calendar APIs for scheduling and automated event management. • Built features for PDF and Excel generation of student notes and course materials.

Lagai Khai(Virtual coin betting app)

January 1, 2019 – January 1, 2026

A virtual coin-based betting application where users purchase coins with real money, compete to achieve the highest scores, and redeem winnings for cash. • Executed by a 5-member team • Implemented real-time match odds via socket communication • Used Redis for fast user sessions and login management • Developed Java-based betting engine for bet calculation and settlement • Ensured scalable, high-performance architecture with robust error handling

ACE Cranes

January 1, 2019 – January 1, 2026

An online bidding system for automobile part transportation, where tasks are assigned to the lowest bidder. • Includes a dedicated mobile application for on-the-go access • Developed using Node.js for backend services • Built with React.js for a responsive user interface • Uses MongoDB for scalable and efficient data management • Supports secure and high-performance application architecture

Key Strengths

Extensive experience in MERN stack development (Node.js, React.js, MongoDB) with 6+ years of professional experience, directly aligning with the 'Senior MERN Developer' target role.
Proven track record in designing and implementing scalable microservices architectures, including end-to-end encryption, multi-entity request handling, and secure multi-database management.
Strong expertise in performance optimization, demonstrated by reducing P95 latency, improving API response times, and enhancing database query efficiency through techniques like query optimization, indexing, Redis caching, and asynchronous processing.
Experience with real-time data streaming using Socket.io and Kafka, and integrating various third-party SDKs (Zoom, Agora, Stripe, Google Calendar, SendGrid, FCM), showcasing versatility in building complex interactive applications.
Proficiency in DevOps practices including AWS (EC2, Lambda, S3), Docker, and CI/CD, indicating a holistic understanding of the software development lifecycle.
Leadership and mentorship experience, including leading code reviews and guiding junior engineers, which is crucial for a senior-level role.

Cultural & Operational Fit

Cultural Fit Analysis

The candidate's project portfolio is diverse, spanning fintech, social networking, e-learning, and gaming, which suggests adaptability and a broad interest in different problem domains. The consistent use of modern technologies (MERN stack, microservices, AWS, Docker) across projects indicates a proactive approach to adopting industry best practices. Their experience in mentoring and leading code reviews aligns with a collaborative and growth-oriented culture. The breadth of skills and exposure to various architectural patterns (monolithic, microservices, event-driven) further enhances their cultural fit for dynamic and innovative environments.

Soft Skills & Operational Fit

The candidate demonstrates strong operational fit through their experience in agile teams, leading code reviews, mentoring junior engineers, and participating in technical walkthroughs. Their project descriptions highlight problem-solving skills (e.g., centralized error handling, performance optimization) and a focus on maintainable code and distributed system design. The ability to work in diverse team sizes (5-12 members) and manage various aspects of the development lifecycle (from design to deployment and issue resolution) indicates strong collaboration and ownership.