Sana Kulkarni
Senior Full-Stack Developer
Senior full-stack — React/Next.js + Node, fintech & B2B SaaS at scale
About
I own products end to end and chase numbers that matter: faster pages, fewer defects, lower cloud bills. Five years across fintech and SaaS, currently powering a payments dashboard for 120k monthly users — and mentoring the engineers building the next one.
120k
Monthly active users served
38%
Faster p95 page load
5
Years shipping full-stack
Selected work
−38% p95
Payments Dashboard
Re-architected Next.js + Node app for 120k MAU.
Next.jsGraphQLPostgreSQL
2M+ txns/day
Reconciliation Engine
Node service at 2M+ transactions/day.
Node.jsRedisAWS
4 products
Velvet Tokens
Design-token pipeline across 4 products.
TypeScriptDesign systems
3D Portfolio
This WebGL site, built on Eliorexa.
three.jsReact
Skills & tools
React
Next.js
TypeScript
Node.js
NestJS
GraphQL
PostgreSQL
AWS
Terraform
Kafka
Let's build something
Sana is open to the right opportunity. Reach out — or grab the résumé.