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Full-Stack Software DeveloperAvailable for new projects, currently at Programming.com

Gyanendra Pal Singh

Less talk. More proof.

I build the API and the screen that calls it. Five years shipping across FinTech, US county government and SaaS, with .NET/C# on the server, React/Next.js on the front and CI/CD all the way to prod.

See the work

Full-Stack Software Developer

Most portfolios describe work. This one runs it. The API and the screen are built by the same hands, the tax platform behind them serves 50 states, and every tool on this site is real software you can use right now.

5+

years shipping

50

US states served

30+

tools built

3

industries

Selected work

All projects

03 / 03|Jul 2026 – Present

Personal Portfolio

A production site — this one — spanning 8+ routes, a 30+ utility tools hub, and a full case-study framework applied to every project including itself, with interactive systems (sound, tilt, custom cursor, scroll-linked animation) tuned for restraint over gimmick. Shipped and iterated on continuously since mid-July 2026.

  • Next.js 16
  • React 19
  • Tailwind CSS v4
  • Motion
  • Radix UI
Read the case study

What I do for clients

One person, both halves of the stack. Scope it with me, then watch it ship.

Engagement models
01

Full-stack product builds

An MVP or a feature set, scoped, built and shipped end to end.

  • .NET API plus React or Next.js front-end
  • PostgreSQL or SQL Server
  • CI/CD to Azure, AWS or Vercel
02

.NET API and backend

Services that stay fast under real load and survive an audit.

  • ASP.NET Core Web API, EF Core
  • Query and architecture tuning
  • NUnit and Moq test coverage
03

React and Next.js front-ends

Interfaces that feel finished: fast, accessible, animated with intent.

  • App Router, Server Components
  • Design-system driven UI
  • GSAP motion, measured performance
04

UI/UX to code

From a Figma file or a rough sketch to a working, tested screen.

  • Flows and wireframes in Figma
  • Component libraries and tokens
  • Hand-off that developers can use

Where the proof comes from

  1. 2024 – Now

    Gurugram, Haryana

    FullStack Software Developer

    Programming.comfor Catalis (US Government)

    Building next-gen tax & government service products for Catalis, contributing to modernizing US government systems with scalable, secure, cloud-based solutions.

    • Built reusable core components that reduced development time across modules.
    • Improved API performance through optimized EF Core queries and architecture tweaks.
    • Collaborated directly with US government product owners to refine user flows.
    • Led UI/UX improvements for multiple mission-critical internal tools.

  2. 2022 – 2024

    Noida, Uttar Pradesh

    Software Engineer

    Bhavna Software India Pvt. Ltd.for MeridianLink

    Developed customer and partner portals for one of the top US FinTech companies, focusing on high-security, scalable digital onboarding solutions.

    • Independently delivered entire UI modules used by thousands of end-users.
    • Reduced API response bottlenecks by optimizing request/response cycles.
    • Introduced reusable React components improving UI consistency.
    • Worked closely with US teams to refine legacy systems into modern interfaces.

  3. 2022 – 2022

    Remote

    Web Developer

    Falconz Eye Digitalfor IQVIA, UBS, Cisco

    Worked with global clients delivering high-quality, responsive web interfaces and interactive front-end experiences for marketing and product sites.

    • Built production-ready, responsive websites for enterprise clients.
    • Developed reusable UI component libraries that sped up delivery.
    • Improved page performance and Core Web Vitals across projects.

  4. 2021 – 2022

    Web Developer / UI Designer

    Perspectifyfor IQVIA, UBS, Cisco

    Built responsive web interfaces and design systems, and led UI/UX improvements for product landing pages and portfolios for global clients.

    • Delivered pixel-perfect, responsive landing pages from Figma designs.
    • Enhanced UI flows for product landing pages and design portfolios.
    • Established a reusable design system to keep products visually consistent.

  5. 2021 – 2022

    Freelance Developer & Designer

    Freelancefor Falconz Eye Digital, Hellas, Cisco

    Delivered full-stack websites, UI/UX designs, and interactive prototypes for multiple international clients.

    • Completed 200+ freelance tasks across development & design.
    • Built and improved client websites from scratch.
    • Shipped responsive, high-performance front-ends for small businesses.

The stack

Frontend

The screen that calls the API.

  • React
  • Next.js
  • TypeScript
  • JavaScript
  • Tailwind CSS
  • Angular
  • Framer Motion

Backend

The API the screen calls.

  • C#
  • .NET
  • ASP.NET Core
  • Web API
  • EF Core
  • MVC
  • Web Forms
  • VB.NET

Database

Relational first.

  • SQL Server
  • PostgreSQL
  • MySQL
  • MongoDB

Distributed systems

Event-driven messaging. Working knowledge.

  • Apache Kafka

DevOps and cloud

All the way to prod.

  • Git
  • GitLab
  • Jenkins
  • CI / CD
  • Docker
  • Kubernetes
  • Azure
  • Linux

Testing

Unit tests ship with the feature.

  • NUnit
  • Moq
  • Postman

UI and UX

From Figma to the component.

  • Figma
  • Photoshop
  • Canva
React
Next.js
TypeScript
JavaScript
Tailwind CSS
Angular
C#
.NET
ASP.NET Core
Web API
EF Core
MVC
Web Forms
VB.NET
SQL Server
PostgreSQL
MySQL
MongoDB
Apache Kafka
Git
GitLab
Jenkins
CI / CD
Docker
Kubernetes
Azure
Linux
Postman
Figma
Photoshop
Canva

What teams say

“Talks about AI systems the way an engineer should — retrieval quality, failure modes, and tests first, hype never. The kind of person you want reviewing the layer your product depends on.”

Karthik Hebbar M NSenior Software Engineer 2, AI Growth, SmartQ

Tools that run in your browser

41 small utilities, no sign-up, no server. Built because I kept needing them.

Let’s build something.

Email

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