.NET Developer | Full Stack Developer

Experienced Software Engineer with 4 years of hands-on expertise in developing secure, scalable web applications using ASP.NET Core, C#, Web API, SQL Server, and AngularJS. Skilled in API development, Payment Gateway integration, and database optimization.

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About Me

Professional Profile

I am an experienced .NET Developer and Full Stack Developer with over 3 years of expertise in ASP.NET Core, Web API, C#, SQL Server, and JavaScript frameworks like AngularJS. I specialize in backend architecture, scalable systems, secure payment gateway integration, ERP/EMS development, and government-level applications.

My experience includes designing RESTful APIs, implementing authentication protocols, optimizing database queries, and delivering end-to-end software solutions. I follow SOLID principles and maintain a strong focus on clean code, high performance, and security.

I actively mentor junior developers, collaborate with cross-functional teams, create technical documentation, and ensure project alignment with business objectives.

Core Expertise:

  • Dot NET Developer, Full Stack Dot NET Developer
  • MVC / MVC API / Web API
  • ADO.NET, LINQ, SQL, AJAX
  • AngularJS / JavaScript / HTML / CSS / Bootstrap
  • REST APIs, Secure Integrations, Payment Gateways

Technical Skills

Programming Languages

  • C#
  • JavaScript (ES)
  • T-SQL
  • HTML / CSS / Bootstrap

Frameworks & Libraries

  • ASP.NET Core / ASP.NET MVC
  • Web API
  • Entity Framework / EF Core
  • AngularJS / Angular

Web Technologies

  • RESTful APIs
  • OAuth 2.0 / JWT Auth
  • AJAX
  • Secure Integrations

Database Management

  • Microsoft SQL Server
  • Stored Procedures
  • Triggers & Schema Design

Tools & Platforms

  • Visual Studio
  • Git
  • Postman
  • SAP Crystal Reports

Payment Integration

  • Razorpay
  • Stripe (Basic Implementation)

Professional Experience

Programmer – Dotsquares (Oct 2024 – Present)

  • Maintained and enhanced Enterprise Management Systems (EMS) with robust backend architecture and optimized SQL Server integration.
  • Researched, integrated, and documented third-party RESTful APIs, including flight data providers.
  • Integrated secure payment gateway solutions for e-commerce workflows.
  • Implemented and tailored Umbraco Commerce for client-specific business logic.
  • Followed SOLID principles and best coding practices for maintainability, security, and performance.
  • Contributed to internal knowledge-sharing sessions and created technical documentation to support team onboarding.

Senior Software Engineer – Wipenex IT Private Limited (Feb 2024 – Sep 2024)

  • Maintained and updated production hosts and running projects for optimal performance.
  • Assisted junior colleagues by providing guidance, mentorship, and technical support.
  • Planned and implemented ERP modules to streamline business processes.

Assistant Software Engineer – Wipenex IT Private Limited (Dec 2021 – Feb 2024)

  • Worked on company management software using .NET and AngularJS with dynamic interfaces and two-way data binding.
  • Developed multiple CRUD operations for management modules focusing on data manipulation and presentation.
  • Implemented 70% of mathematical formulas and 60% of project tasks independently.
  • Delivered hospital ERPs and district-level government projects, handling modules at various levels.

Government Project Contributions

  • Integrated secure payment gateways for government services.
  • Developed real-time auction systems with transparency for public bidding.
  • Implemented rent collection and banquet hall booking systems using real data.
  • Designed and generated reports with PDF export and Excel functionality for government operations.

Contact

Open to full-time roles, freelance work, and technical collaborations.

Email: keshawkumar707510@gmail.com

LinkedIn: linkedin.com/in/keshawkumar-thakur-396627240

Phone: 7903771887 / 8521931728

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