Full-Stack Developer · Software Engineer
Full-stack engineer who owns the lifecycle—from architecture and APIs to production.
I design and deliver scalable web, mobile, and browser-based applications end to end—system design, real-time architectures, RBAC, multi-tenant SaaS, and CI/CD included.
- 5+
- Years Building Products
- 20+
- Products & Systems Built
- 500+
- HackerRank Problems Solved
Himanshu Karnwal
Full-Stack Software Engineer
5+
Years Building Products
About
Execution-focused engineering
I build digital products with clarity—from understanding the problem to shipping reliable systems in production.
As a software engineer, I partner with clients and teams across the full stack—structured frontends, dependable APIs, and deployments that hold up after handoff.
My path blends years of independent client work with a year in-house at DCT Technology. I balance product thinking with technical depth: what ships, how it behaves for users, and whether the codebase stays understandable six months later.
Read my storyProjects
Selected work
Case studies across web, desktop, cloud, and product-focused builds.
Skills
Technical foundation
Core stack for building and shipping production-grade applications.
Experience
Current focus
Freelance full-stack work—scope, build, and ship for clients and teams.
2025 – Present · India · Remote
Freelance Software Engineer
Independent · Freelance
Back on independent work—partnering with clients on full-stack products from discovery through production. Engagements span greenfield builds, feature delivery, and hardening existing systems.
View experienceProcess
How I ship
A structured approach from product understanding through deployment and iteration.
Product understanding
Clarify the problem, users, and success criteria before building.
Planning & architecture
Structure the system for clarity, maintainability, and delivery speed.
UI implementation
Build interfaces that are clean, responsive, and intentional.
Achievements
Proof of execution
Consistent practice, production delivery, and breadth across engineering responsibilities.
5+
Years Building Products
Work delivery across web, mobile, browser extensions, and cloud systems
20+
Products & Systems Built
SaaS platforms, mobile apps, Chrome extensions, and production cloud deployments
500+
HackerRank Problems Solved
Algorithmic and data structure practice with 6 certificates earned
End-to-End
Engineering Ownership
From architecture and API design through CI/CD and production deployment
Testimonials
What collaborators say
Feedback from teams and stakeholders—update with verified quotes.
“Himanshu did a great job with us. He is committed to getting things done and is ready to put in extra efforts. Wishing him all the best!”
“Delivered high quality work on an urgent project with great communication and strong technical skills. Really appreciate the professionalism, Would love to work together again”
Ready to build something solid?
Open to full-time jobs, freelance engagements, contract work, and product-focused engineering collaborations.