GAURANSH AGARWAL
I’m a backend-leaning full-stack software engineer who builds production-grade platforms—often focusing on scalable APIs, secure multi-tenant systems, and reliable background processing.
About
I’m a backend-leaning full-stack software engineer who builds production-grade platforms—often focusing on scalable APIs, secure multi-tenant systems, and reliable background processing. I’ve shipped multiple real-world products as an intern and created Prompters, a live AI interview-prep platform, with RAG-based learning and async job pipelines to keep experiences fast and dependable.
I enjoy turning complex requirements into clean TypeScript/Node.js systems with strong data modeling and query optimization using PostgreSQL, MongoDB, and Redis. From multi-source job ingestion to fixing authorization issues and integrating LLMs for retrieval and answer generation, I like delivering secure, measurable improvements and learning by shipping.
- Joined November 2026
Industry experience
- Software & Internet
- Education
- Financial Services
Work experience
Built and maintained production features across multiple platforms using Next.js, TypeScript, Node.js, PostgreSQL/MongoDB, Redis, and queue-based workflows. Delivered a job discovery pipeline ingesting data from 10+ ATS providers, normalizing and deduplicating 100K+ records, and deploying a scoring/matching engine used by 600+ users. Created a multi-tenant RAG service (Qdrant + embeddings) with chunking and async workers via QStash to cut upload latency ~5.8x. Performed security hardening by discovering and fixing 19 cross-branch authorization/IDOR issues with tenant- and branch-scoped RBAC enforcement across multiple API flows.
Education
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