# Avirek Ghatia > SWE@Slack Search | Ex-TikTok Location: San Francisco, California, United States Profile: https://flows.cv/avirek ## Work Experience ### Staff Software Engineer @ Slack Jan 2025 – Present | San Francisco, California, United States Leading the architectural evolution of search infrastructure at Slack, ensuring sub-second retrieval performance for 65+ million monthly active users and the world’s largest enterprise organizations. Driving the 0-to-1 design and implementation of Semantic Search and Vector Indexing (HNSW) to transition from traditional keyword search to AI-driven retrieval. Serving as a cross-functional technical lead, defining the long-term roadmap for indexing pipelines and data ingestion at a multi-petabyte scale. ### Software Engineer @ TikTok Jan 2022 – Present | Mountain View, CA Designed and implemented the core indexing pipelines and search data engine for TikTok Search, supporting over billion daily active users (DAU). Technical Leadership: Led the large-scale data migration and architectural restructuring for Project Texas, ensuring global data sovereignty and infrastructure compliance for the US market. Scalability: Managed search indices pipelines, optimizing ingestion latency and storage efficiency for one of the most data-intensive environments. Innovation: Developed and scaled high-concurrency retrieval systems and ranking signals that power the global search experience, directly impacting user retention and discovery metrics. ### Software Engineer @ Cisco Meraki Jan 2020 – Jan 2022 | San Francisco Architected and scaled cloud-managed networking solutions for Cisco Meraki, supporting the seamless deployment and management of millions of active nodes across global enterprise environments. Infrastructure Excellence: Led the development of high-availability backend systems that power the Meraki Dashboard, enabling real-time visibility and control for over 600,000 customers worldwide. Scalability: Optimized data ingestion and processing pipelines to handle massive telemetry streams from diverse hardware (Wireless, Switching, Security), ensuring sub-second dashboard responsiveness. System Reliability: Spearheaded architectural improvements in distributed systems to maintain 99.99% uptime for mission-critical cloud controllers used by Fortune 500 companies and government agencies. ### Software Engineer @ Cisco Jasper Jan 2016 – Jan 2020 | San Francisco Bay Area Played a critical role in developing the Jasper Control Center (acquired by Cisco), the world’s leading IoT connectivity management platform. Global Impact: Engineered core platform features that manage the automated connectivity of over 160 million IoT devices across 550+ mobile networks globally. Strategic Integration: Led technical initiatives to integrate Jasper’s automated provisioning and real-time diagnostic tools into the broader Cisco ecosystem, serving massive deployments in connected cars, smart cities, and industrial automation. Performance Optimization: Developed scalable microservices to handle high-volume billing and usage data for global enterprises like GM, Ford, and Coca-Cola, ensuring accurate real-time tracking of cellular IoT assets. ### Research Assistant @ AIG Jan 2016 – Jan 2016 | Greater New York City Area Natural Language processing intern at AIG Science. ### Software Engineering Intern @ NYU Langone Medical Center Jan 2015 – Jan 2015 Working as an intern, my work involves creating Python scripts to extract data from PDFs using Natural Language Processing and other techniques. My work is a part of the project to create a Global Governance Index of ethical conduct of clinical trials for drugs by pharmaceutical companies. ### Software Engineer @ CSC - Computer Sciences Corporation Jan 2013 – Jan 2014 I was the team lead for the employees were working in the project same as mine. We collaborated to work on our project 'Hindi Metaphone based Search Engine'. It being a research project, we held regular meetups and documented every progress. Also, I assigned work and timelines of work to group members. I coded part of the project in Java and designed the website for the search Engine. ## Education ### Master's Degree in Computer Science New York University ### Bachelor of Engineering (B.E.) in Computer Engineering S.G.S.I.T.S, Indore ### Choithram School Indore ### Engineer’s Degree in Computer Software Engineering freeCodeCamp ## Contact & Social - LinkedIn: https://linkedin.com/in/avirek-ghatia-06705971 --- Source: https://flows.cv/avirek JSON Resume: https://flows.cv/avirek/resume.json Last updated: 2026-04-12