Hello, I'm
Md Abu Zafar
Senior Software Engineer & Full-Stack Builder
8+ years building products at scale. Currently at Cimpress (Vista), shipping across frontend, backend, mobile, and cloud infrastructure.
Building things that matter at scale.
I'm a senior software engineer with 8+ years of experience across the full stack. I thrive at the intersection of frontend craftsmanship, distributed systems, and cloud infrastructure.
Currently at Cimpress (Vista), I work on high-scale systems serving millions of customers. I'm passionate about developer experience, clean architecture, and using AI to amplify engineering productivity.
Years of exp.
8+
Current role
Senior SWE
Company
Vista
Location
Remote
Where I've worked
- ›Leading full-stack development on systems serving millions of customers globally.
- ›Driving architecture decisions across React/Next.js, Go microservices, and AWS.
- ›Mentoring engineers and owning critical platform initiatives end-to-end.
- ›Thread.ai — AI knowledge co-pilot. +25% developer productivity, -30% client costs in beta.
- ›Crew.ai — Workplace management platform (Next + Nest). Grew to 500+ users.
- ›Fintech static site — marketing team edits content without developer intervention.
- ›Secure document viewing platform (Elixir + Phoenix) for PII data access.
- ›Human-in-the-loop OCR correction system — contributed to +5% revenue growth.
- ›Elm SPA — grew client customer base by 15%.
- ›Internal knowledge-sharing app used daily by engineering team.
- ›OCR migration Python → Go. Reduced latency by 500ms.
- ›API gateway migration to Elixir/Phoenix — server costs -30–40%.
- ›Monolith → async microservices with RabbitMQ.
Things I'm building
Projects coming soon
I'm working on a few personal projects — they'll show up here once they're ready to share.
From the blog
Let's build something great.
I'm available for senior engineering roles and select freelance projects. If you have something interesting, I'd love to hear about it.