Software Engineer - Instagram (Instagram Graph API and Messaging Platform Enhancements)
Duration: 10/2025 – 04/2026
Summary:
- Enhanced Instagram's Graph API v21 and Messaging Platform to improve media metadata richness, conversation-state signals, moderation capabilities, and real-time event processing
- The project aimed to support millions of daily business account calls and improve integration reliability for enterprise clients
Responsibilities:
- Engineered high-throughput API enhancements and implemented Redis-based caching with Kafka-driven invalidation.
- Designed propagation of DM thread relationship metadata through Kafka event streaming.
- Developed moderation API endpoints supporting conversation blocking and automated spam routing.
- Led backend migration from Instagram Basic Display API to Graph API with telemetry instrumentation.
- Implemented structured webhook confirmation events and asynchronous webhook payload enrichment.
- Extended media publishing pipeline to support generative content types and multi-asset carousel publishing.
- Designed integrity status API and webhook system for real-time policy enforcement states.
- Contributed to notification ranking infrastructure and architected distributed cache strategies for conversation ownership routing.
- Developed programmatic reaction management APIs and contributed to real-time voice communication API launch.
Technologies: Node.js 20, TypeScript, MySQL 8, Redis 7, Kafka, internal Reels and Feed ingestion event systems
Software Engineer - Amazon (Real-Time Ad Serving Infrastructure and Campaign Management)
Duration: 08/2022 - 09/2025
Summary: Developed a large-scale real-time advertising platform for in-store digital displays, including ad serving infrastructure, campaign targeting, budget pacing, policy enforcement, analytics, and advertiser management interfaces to improve delivery reliability and advertiser satisfaction.
Responsibilities:
- Architected real-time ad serving infrastructure transitioning to push-based scheduling.
- Designed signed creative manifest generation service with HMAC validation.
- Built distributed campaign targeting evaluation and dynamic budget pacing algorithms.
- Developed advertiser campaign management interfaces with React and Node.js.
- Created automated policy enforcement system integrating metadata validation and image analysis.
- Engineered analytics event ingestion pipeline and pre-aggregated time-series data models.
- Developed advertiser performance dashboards and attribution processing services.
- Integrated asset delivery infrastructure using AWS CloudFront and S3.
- Collaborated with cross-functional teams using Agile methodologies and contributed to CI/CD pipelines.
Technologies: Python 3.10, AWS ECS, DynamoDB, Redis, React 18, Node.js, AWS S3, AWS CloudFront, AWS Kinesis, RDS
Software Engineer - TikTok (Developer Platform Portal and Authentication Infrastructure)
Duration: 07/2020 – 08/2022
Summary: Re-architected TikTok's developer platform portal and backend authentication infrastructure to provide scalable app management, OAuth flows, webhook management, content upload, policy validation, and analytics dashboards for thousands of third-party developers.
Responsibilities:
- Re-architected developer portal using React 17 and TypeScript.
- Developed OAuth authorization flow simulator and backend token lifecycle management.
- Built content upload management interface with chunked uploads and retry mechanisms.
- Implemented policy-aware metadata validation and comprehensive webhook management interface.
- Improved webhook reliability with exponential backoff and dead-letter queue mechanisms.
- Developed sandbox testing infrastructure for webhook event simulation.
- Built analytics API integration layers and configurable analytics dashboards.
- Contributed to guided developer onboarding workflow with analytics instrumentation.
Technologies: React 17, TypeScript, Go 1.18, Python, Kafka, Node.js
Upstaffer since September, 2026
