Divyansh Sikarwar Email & Phone Number

Gurugram, HR, IN

Noida, Uttar Pradesh, India

• Working closely with a team of experienced developers to Learn, Develop, Monitor, and Maintain the company's backend infrastructure.
• Implemented a cost-efficient notification service algorithm in the central engineering team, optimising attachment consolidation, which improved user engagement and reduced email costs by ∼25%.
• Designed a granular view-level string permission system in Django, boosting security and access control. Reduced unauthorised access incidents by 30%, improving overall data protection and compliance.
• Integrated Redis across microservices for caching, task queuing, and scheduling, reducing average API response time by ∼2.5 seconds and improving scalability.
• Optimised logging system in a multi-process Django service, managing 1GB+ of logs per day across 15+ Gunicorn processes, by integrating logrotate service and cron to eliminate concurrency issues.Awards & Recognitions.

Mumbai, Maharashtra, India

• Engineered and maintained the SmartBooks backend in Go, generating over 15L monthly revenue. Overcame challenges using Redis cache optimisations, Cron Jobs, and Elasticsearch.
• Improved Redis Cluster latency from ∼2.00 ms to peaks of ∼400 μs through optimising recommendation microservice APIs by leveraging concurrent data retrieval from the primary database.
• Streamlined and Engineered RabbitMQ Workers to Merge and Split Emails Between Email Service Providers and internal services, reducing costs by over 50,000 Rs per day.
• Wrote the recommendation algorithm impacting more than 2 million active paid users for Testbook’s flagship in-house book e-commerce system named SmartBook.
• Architected and orchestrated high-throughput scalable APIs, managing over 10k API requests per second on average, ensuring peak performance and reliability.
• Upgraded the primary API service to cut virtual machine group startup time by ∼10 seconds, leveraging go-routines and channels for concurrent processes.

Mumbai, Maharashtra, India

• Built and maintained web applications using various Full-Stack technologies.
• Worked with backend technologies such as Node.js to build and integrate APIs and database systems.
• Utilized version control systems such as Git for efficient collaboration and code management.