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Hi, I'mGyanendraPal SinghFullStackSoftwareDeveloper

ASP.NET Core APIs behind React and Next.js interfaces, shipped through CI/CD. 5+ years across FinTech, US government, and SaaS.

Selected work

Featured projects.

All projects

Production systems in government tax administration, consumer lending, and my own tooling — what the problem was, what I built, and what shipped.

Programming.com

2024 – Present

Tax & CAMA - Catalis

FullStack Developer · Mid Level Developer

Problem
Local governments were running tax billing, collections, and property appraisal across disconnected legacy tools, which made audits slow and workflow changes risky.
What I built
Contributed to a unified, cloud-based platform bringing together LandNav, GovTech Services, PCI, Patriot Properties, and CAMAlot — covering the full tax and appraisal lifecycle with configurable workflows so non-developers could adjust rules safely.
Result
A single platform now used across all 50 states, helping local governments manage millions in annual tax revenue with more efficiency, accuracy, and transparency.
  • DotNet Core
  • EF Core
  • C#
  • React JS
  • +2 more
Full case study

Bhavna Software

2022 – 2024

MeridianLink Portal

FullStack Developer · Mid Level Developer

Problem
Loan and deposit applicants faced clunky, non-mobile application flows, which put them at real risk of abandoning the process partway through.
What I built
Built configurable, mobile-first application flows — custom forms, cross-sells, document uploads, e-signatures, and identity verification — integrated with MeridianLink Consumer & Opening.
Result
A smoother, more automated end-to-end application experience aimed squarely at reducing drop-off across the funnel.
  • ASP.NET Core
  • EF Core
  • C#
  • VB.Net
  • +2 more
Full case study

Personal Project

Jul 2026 – Present

Personal Portfolio

FullStack Developer · Sole Developer, Designer & Content Author

Problem
A static résumé PDF and a generic one-pager portfolio don't prove anything about how someone actually builds software — anyone can list "React" and "Next.js" as skills. I wanted a portfolio that was itself the strongest engineering sample: real APIs and real data pipelines behind every feature, not screenshots of imagined ones.
What I built
Designed and built the entire site solo, end to end — architecture, UI, animation, backend glue, and every word of content. Structured every section (About, Work, Tools, Blog, Now) around a data-first pattern: content lives in dedicated src/data/*.js modules and flows through small src/lib/* helpers into presentation components, so nothing is hardcoded twice or drifts out of sync. Then, wherever a static mock would have been the easier road, built the real thing instead — a live GitHub contributions API in place of a pre-baked image, a Groq-hosted LLM for résumé tailoring in place of canned text, a Google Apps Script backend in place of a contact form that goes nowhere.
Result
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
  • +5 more
Full case study

Career

Experience

Visit Programming.com

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

Key technologies

DotNet CoreEF CoreC#React JSWeb APIPostgreSQLHTMLCSSFigmaS3 BucketGitLabUnit Testing (NUnit, Moq)
  • End-to-end feature development using React, C#, and ASP.NET Core.
  • System architecture planning, code reviews, and performance improvements.
  • Requirement analysis and technical discussions with Catalis stakeholders.
  • Unit testing using NUnit + Moq for stable deployment cycles.
  • Integrating cloud services like S3 Bucket for asset management.

Toolbox

Skills.

Software Development

Core stack

  • C#
  • .NET
  • ASP.NET Core
  • React
  • Next.js
  • TypeScript

Frontend

7 skills

ReactNext.jsAngularTypeScript

Backend

8 skills

C#.NETASP.NET CoreWeb API

Database

4 skills

SQL ServerPostgreSQLMySQLMongoDB

DevOps & Cloud

8 skills

GitGitLabJenkinsCI / CD

Distributed Systems

1 skills

Apache Kafka

Working knowledge of event-driven messaging.

Testing

3 skills

NUnitMoqPostman

UI / UX & Design

3 skills

FigmaPhotoshopCanva

Client feedback

What people say.

Contact

Let's Build Together.

Get in touch

Send me a message