Aarav Kulkarni — Final-Year B.Tech, Computer Engineering
Pune, Maharashtra
Final-year computer engineering student at COEP Technological University, graduating May 2027 with an 8.7 CGPA. Two summer internships on payment infrastructure, the second of which cut refunds stuck past a day from 310 a week to 12.
Experience
Backend Engineering Intern, Saptaflow Technologies · May 2026 – July 2026
Ten weeks on the payments team, on the refund and settlement path.
- Built the retry queue behind the UPI refund job, cutting refunds stuck past 24 hours from 310 a week to 12.
- Replaced an N+1 query in the merchant dashboard with a single joined view, taking page load from 4.1s to 600ms.
- Wrote the first integration tests for the settlement module; the suite caught two rounding faults before release.
Software Intern, Kelvara Systems · May 2025 – July 2025
- Automated a CSV reconciliation an analyst ran by hand for three hours every morning, reducing it to a scheduled four-minute job.
- Documented 14 undocumented API endpoints, ending a standing round of questions from the two teams that consumed them.
Projects
- Hostelmate — Mess attendance and billing for four campus hostels.
- Devanagari word-image corpus — An open dataset and baseline model for handwritten Marathi.
Education
- B.Tech Computer Engineering · COEP Technological University · July 2023 – May 2027
- Class XII, Maharashtra State Board Science with Mathematics · Jnana Prabodhini Prashala · June 2021 – March 2023
Skills
- Languages: Python, Java, JavaScript, SQL, C
- Tools and platforms: Git, Docker, PostgreSQL, Redis, Linux, AWS EC2
- Foundations: Data structures, REST API design, Unit testing, Concurrency