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Backend Engineer & Instructor · Pune, India

Backend systems -
and the courses to

build them yourself.

I’m Harshad Jaybhay. I build scalable backend systems on the .NET stack for SMEs across every industry, and I teach the same engineering practically through hands-on courses – for developers who want to build production-grade systems, not just follow tutorials.

Browse Courses
I run an SME - Let's Talk
Years experience
0 +
API performance gains delivered
0 %
Production systems shipped
0 +

Learn the engineering behind production backend systems

Practical, project-based courses built from real systems I’ve shipped for SMEs – not toy examples. Reserve your spot now and get notified the moment enrollment opens.

...Courses coming soon...

Course 1

Course 2

Course 3

■ Services

What I can do for your business

From focused consulting to end-to-end builds – engagements shaped around what your product actually needs.

Running an SME & need backend engineering?

Free 20-minute call to scope your project – no obligation. I typically reply within one business day.

WhatsApp me directly

Build

Backend & API Development

High-performance REST APIs with ASP.NET Core and Entity Framework Core – designed for reliability, security, and clean integration.

Fintech

Payment & Fintech Systems

High-volume transaction processing, UPI switch engines, XML payment messaging, and HSM encryption for secure financial workflows.

Full Stack

Web Application Development

End-to-end web applications with Angular frontends, .NET backends, and role-based authentication – built for enterprise use.

Desktop

Desktop Applications (WPF)

Windows desktop applications built on WPF with MVVM architecture, connected to REST APIs and SQL Server.

Mobile

Mobile Apps with Flutter

Cross-platform mobile apps backed by ASP.NET Core Web APIs – authentication, workflows, and admin panels included.

Scale

Performance & Cloud Consulting

Redis caching, RabbitMQ message queues, database optimisation, and deployments on Azure and IIS that stay fast under load.

■ Selected Work

Projects with measurable results

Case 01

Car Rental Management System

Mobility · SaaS

Delivered a complete rental platform: Flutter mobile apps for both owners and customers, an ASP.NET Core Web API backend with authentication and booking workflows, plus an admin management layer.

✓
Full system deployed on cloud infrastructure with live production hosting.
Flutter
ASP.NET Core
Web API
Cloud hosting

Case 02

Enterprise Business Applications

Enterprise · Internal Platforms

Built MVC and Angular dashboards with role-based authentication for enterprise clients, and managed their IIS production deployments end to end.

✓
Stable, secure dashboards in daily production use across business teams.
ASP.NET MVC
Angular
IIS
Role-based auth
■ Experience

Where I've built

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Aug 2025 — Present · Pune

Full Stack .NET Developer

ARYA Risk Management Solutions

Developing enterprise-scale applications with ASP.NET Core and SQL Server, optimising backend APIs for 25–35% faster responses, building WPF (MVVM) desktop applications, and managing IIS production deployments with secure transaction workflows.

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Mar 2025 — Aug 2025 · Pune

.NET Backend Developer

Webplat Technologies Pvt. Ltd

Built high-performance fintech APIs with ASP.NET Core — 30% faster transaction processing and 25% higher API throughput — using RabbitMQ for async messaging, Redis caching, XML payment message integration, and HSM encryption modules.

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May 2023 — Mar 2025 · Pune

Full Stack .NET Developer

JKC IT Solutions

Developed applications with ASP.NET, Angular, and Windows Forms; designed REST APIs, deployed to IIS, and led a 2-member development team including code reviews and performance improvements.

■ Toolbox

Technologies I work with

Backend
  • C# / .NET Core
  • ASP.NET Core & MVC
  • Entity Framework Core
  • REST API design
  • Multi-threading & caching
Frontend & Apps
  • Angular
  • WPF (MVVM)
  • Flutter
  • HTML / CSS / JavaScript
  • Windows Forms
Data & Messaging
  • SQL Server / Azure SQL
  • Redis
  • RabbitMQ
  • XML payment messaging
  • HSM encryption
Cloud & Tools
  • Microsoft Azure
  • IIS deployment
  • Git / GitHub
  • Postman / Swagger
  • Visual Studio / VS Code
■ Process

How an engagement works

Discover

A free intro call to understand your goals, constraints, and what success looks like.

Propose

A clear written proposal: scope, timeline, milestones, and pricing — no surprises.

Build

Short iterations with regular demos, so you always see progress and can steer early.

Launch & support

Deployment, documentation, and handover — with optional ongoing support and maintenance.

■ Contact

Running a business, or want to learn the stack? Let's talk.

Tell me what you’re building or what’s blocking you – a new product, a system that needs to run faster, or a course you’d like to see. I typically reply within one business day.

WhatsApp
Email
LinkedIn