Vishwambhar Deshpande

Currently leading the development of scalable backend systems for U-next learning, focusing on critical platform features and fostering team growth to enhance learner experience and operational efficiency.

• Architected and developed a comprehensive helpdesk system for an LMS serving over 100K learners, integrating chat and email support with automated ticket assignment and internal collaboration tools to streamline query resolution.
• Designed and implemented mentor-facing dashboards and real-time communication tools, supporting efficient ticket management and direct learner engagement while maintaining 99.9% system uptime for critical platform functions.
• Mentored and led a team of three interns, providing technical guidance and fostering skill development to accelerate project delivery and ensure alignment with strategic business objectives.

Engineered robust backend solutions for U-next learning's online coding platform, significantly enhancing performance, scalability, and user engagement through advanced system design and optimization.

• Engineered an event-driven online coding platform supporting 12+ programming languages, tripling capacity to efficiently handle over 50,000 concurrent users.
• Integrated Spring Boot into the coding platform architecture, enabling scalable API development by assigning unique subdomains to individual users.
• Optimized API performance by 57% through comprehensive schema redesign, advanced query optimization, and parallel network calls, significantly improving system responsiveness.
• Implemented distributed caching with Redis, utilizing efficient data structures (hashes, sorted sets) and a reusable client with TTL, namespacing, and fallback, reducing CPU usage by 37% and enhancing performance across multiple microservices.
• Developed a centralized notification system for the LMS, automating event-driven email communications to learners for critical updates, reminders, and important actions.
• Developed AI-driven features, including automated quiz generation and content summarization, boosting student engagement by 80% and reducing instructor workload.

Contributed to enhancing U-next learning's infrastructure by automating CI/CD pipelines and optimizing AWS cloud resource utilization, driving significant operational efficiencies and cost reductions.

• Spearheaded CI/CD pipeline implementation, accelerating deployment efficiency by 24% and streamlining development workflows.
• Orchestrated AWS Lambda function deployments, achieving a 28% reduction in operational costs through serverless architecture optimization.
• Conducted comprehensive AWS account audits, identifying and implementing optimizations that generated 30% quarterly cost savings.