KrispCall
Cloud telephony SaaS for high-growth teams
React · TypeScript · GraphQL
Available for new work
Full-stack Product Engineer · 6 yrs
I build complete products — front to back.
Six years shipping production SaaS across the whole stack — interfaces, APIs, cloud, and the AI on top. I help teams turn an idea into a product that ships and holds up.
Google Cloud Certified — Professional Cloud Architect
- 6+
- years shipping
- 207
- github repos
- 8
- products live
sundar@gcp ~ %
$ whoami
Sundar Shahi Thakuri — Senior Software Engineer
$ stack --core
react · next · typescript · graphql · node · python
$ stack --cloud
gcp · aws · kubernetes · terraform · docker
$ shipped --highlights
krispcall cloud telephony SaaS react/ts/graphql
sparktales AI storytelling SaaS next/llm
$ certs
✓ Google Cloud · Professional Cloud Architect
$ status
available for full-stack & cloud work▋
The stack I build with
React
Next.js
TypeScript
JavaScript
GraphQL
Node.js
Python
Google Cloud
AWS
Kubernetes
Terraform
Docker
Tailwind
Framer
Figma
GitHub- React
- Next.js
- TypeScript
- JavaScript
- GraphQL
- Node.js
- Python
- Google Cloud
- AWS
- Kubernetes
- Terraform
- Docker
- Tailwind
- Framer
- Figma
- GitHub
selected_work
Products I've shipped
SparkTales
AI storytelling SaaS for parents & educators
Next.js · LLM
Keelspot
Coastal-shipping platform
Next.js · Tailwind
EnRoute Nepal
Airbnb-style travel platform
React · JavaScript
Full case studies are on the way.
what_i_do
Engineering across the whole stack
One engineer who can take a product from interface to infrastructure — and the AI in between.
01
Product frontend
Design-minded React, Next.js and TypeScript interfaces that feel fast and considered.
React · Next.js · TypeScript · Tailwind
02
Backend & APIs
Services and APIs that hold up — sensible data models, clean contracts, real reliability.
Node · Python · GraphQL
03
Cloud & infrastructure
Architecting and shipping on Google Cloud and AWS — containerized with Kubernetes, provisioned with Terraform, built to scale. GCP-certified.
GCP · AWS · Kubernetes · Terraform · Docker · CI/CD
04
AI & agentic features
LLM and agentic features wired into real products — like SparkTales — not demos.
LLMs · Agents · Vertex AI
work_with_me
Ways we can work together
From a focused review to building the whole thing — pick what fits where you are.
End-to-end engagementMost popular
Product Build
I build it with you — frontend, backend, and cloud — shipped to a bar you can defend.
Scoped per project
Fixed scope · ~1–2 weeks
Architecture & Cloud Review
A review of your stack — performance, scale, reliability, cloud cost, and AI readiness — with a roadmap.
Fixed price
Monthly
Fractional Senior Engineer
An extra senior engineer and advisor on tap for your team and your roadmap.
Ongoing
free_tools
Tools I built to think with
The same back-of-the-envelope models I use on real engagements — made interactive, free, and no sign-up. Run your own numbers.
writing
Notes from the work
Field notes on production AI, reliability, cost and capacity — the thinking behind the tools and the engagements.
Have something to build, scale, or fix? Let's talk.
A 20-minute call. Tell me the problem; I'll tell you how I'd approach it.