CDC Stream
Database time machine — captures every change from Postgres and lets you replay history safely.
PythonPostgresRedisKafkagRPCDistributed Systems
Rohan Sawai
I'm Rohan Sawai, and this is my personal website where I document my journey as a software engineer and share my knowledge and learnings with others.
I am pursuing Masters of Science in Computer Engineering at Virginia Tech, graduating in December 2026.
Featured Projects
View all projects →Experience
Amazon Web Services
May 2026 — Aug 2026
SDE Intern
Center for Geospatial Information Technology, Virginia Tech
Feb 2025 — Present
Software Development Engineer (Graduate Research Assistant) · Blacksburg, VA
Citibank
Jul 2023 — Jan 2025
Software Development Engineer · Pune, India
InterAct Software
Jun 2022 — Aug 2022
Web Development Intern · Mumbai, India
Education
Virginia Tech
Jan 2025 — May 2026
Master's of Science, Computer Engineering (Machine Learning Specialization) · GPA: 3.90/4.00 · Blacksburg, VA
Veermata Jijabai Technological Institute (VJTI)
Aug 2019 — May 2023
Bachelor's of Technology, Electronics and Telecommunications · Mumbai, India
Publications
Latest Posts
Read all posts →Alpa, Explained with a Restaurant Kitchen
2026-07-26How I finally understood one of the most influential papers in distributed ML — after bouncing off it twice.
Task Queues and Background Jobs
2026-02-15Don’t send verification emails synchronously during signup. Enqueue the work and let a background worker handle retries with exponential backoff.