Data Entry Specialist - Detail-Oriented, Fast Learner, Independent
Resume:
SUDHIR KUMAR
Senior Full-Stack .NET & AI-Integrated Developer
8+ Years of Professional Experience
*************@*****.***
Chandigarh, India
Upwork Freelancer
PROFESSIONAL SUMMARY
Results-driven Senior Full-Stack .NET Developer with 8+ years of experience designing and delivering scalable, high-performance web applications. Proven expertise in end-to-end development using ASP.NET Core, Minimal APIs, Web API, Angular, and SQL Server. Hands-on experience integrating AI services including OpenAI GPT-4, Claude (Anthropic), and Google Workspace (GWS) APIs. Strong background in cloud deployments on Microsoft Azure, advanced reporting with Stimulsoft Reports & SSRS, and third-party API integrations. Active Upwork freelancer with a strong international client track record. CORE COMPETENCIES
AI & Cloud
OpenAI GPT-4, Claude API
Azure App Service, Azure
SQL
GWS (Gmail, Drive,
Calendar)
Backend
ASP.NET Core / .NET 6–8
Minimal APIs / Web API
Entity Framework & LINQ
Frontend
Angular 14+
React (basics)
HTML5, Bootstrap, Kendo
UI
Database & Reports
SQL Server 2017–2022
Stimulsoft Reports
SSRS / Stored Procedures
PROFESSIONAL EXPERIENCE
Senior Full-Stack .NET Developer — Creatick Solutions 2018 – Present
Developed and deployed full-stack web applications on Microsoft Azure (App Service, Azure SQL, Blob Storage) using ASP.NET Core, Minimal APIs, and MVC with Angular 14+ front-end.
Integrated OpenAI GPT-4 and Claude (Anthropic) APIs to build AI-assisted features: intelligent document parsing, chat-based support bots, and automated content generation workflows.
Implemented Google Workspace (GWS) integrations — Gmail API, Google Drive API, Google Calendar API
— for seamless enterprise productivity automation.
Built Stimulsoft Reports and SSRS-based reporting dashboards with advanced drill-down, pivot tables, and scheduled delivery, significantly improving business visibility.
Designed RESTful Minimal APIs and SOAP-based services; secured endpoints using Azure AD / OAuth 2.0
/ JWT authentication.
Designed and optimized SQL Server 2017–2022 database objects — stored procedures, functions, triggers, views — for high-performance, low-latency data access.
Integrated third-party APIs: QuickBooks, Autotask, GunBroker, Google Analytics — enabling seamless cross-platform business workflows.
Created responsive UIs using HTML5, CSS3, Bootstrap, JavaScript, jQuery, AJAX, Telerik Controls, and Kendo UI.
Implemented background job scheduling via Hangfire and Redis-based caching to improve application throughput.
Delivered Excel Add-in development (JavaScript), API documentation via Swagger/Postman, and managed CI/CD pipelines on Azure DevOps.
Extended solutions with Xamarin mobile apps and Mac desktop application development; managed source control via Git, GitHub, Bitbucket, TFS.
KEY PROJECTS
AI-Powered Document Assistant (OpenAI GPT-4 + ASP.NET Core + Azure)
Built an intelligent document processing tool using OpenAI GPT-4 API to auto-extract, classify, and summarize uploaded PDFs/Word files.
Deployed on Azure App Service with Azure Blob Storage for document management; achieved sub-2s summarization response times.
Google Workspace Integration Suite (GWS APIs + .NET 6 Minimal API)
Developed a unified GWS connector integrating Gmail, Google Calendar, and Google Drive APIs for enterprise workflow automation.
Enabled automated email parsing, calendar event scheduling, and Drive file management from a single
.NET Minimal API backend.
Stimulsoft Reports Dashboard (SQL Server 2022 + ASP.NET Core + Stimulsoft)
Designed and delivered a fully dynamic reporting portal using Stimulsoft Reports with drill-down analytics, scheduled email reports, and export to PDF/Excel/CSV.
Optimized underlying SQL Server stored procedures reducing report generation time by 60%. Click4 Support — Windows App with Autotask API Integration
Developed a Windows desktop application integrated with Autotask API for IT service desk automation with real-time ticket creation and tracking.
TestPrep — Online Quiz Platform (Grade 1–12)
Designed a full-featured e-learning quiz platform with dynamic question banks, timed assessments, scoring logic, and AI-assisted question suggestions.
TECHNICAL SKILLS
AI / LLM OpenAI GPT-4 API, Claude (Anthropic) API, Prompt Engineering, LangChain basics Cloud
Microsoft Azure (App Service, Azure SQL, Blob Storage, Azure AD, Azure DevOps), GWS
(Gmail, Drive, Calendar APIs)
Backend
ASP.NET Core 6/7/8, Minimal APIs, .NET 5–8, MVC, Web API, ADO.NET, Entity Framework, LINQ, Hangfire, Repository Pattern
Frontend
Angular 14+, HTML5, CSS3, Bootstrap 5, JavaScript, jQuery, AJAX, Telerik Controls, Kendo UI
Database
SQL Server 2017–2022, MySQL, Stored Procedures, Functions, Triggers, Views, Query Optimization
Reporting Stimulsoft Reports, SSRS — Drill-down, Pivot, Scheduled Reports, PDF/Excel Export Tools Git, GitHub, Azure DevOps, Bitbucket, SVN, JIRA, Swagger, Postman, SourceTree Integrations
QuickBooks API, Autotask API, GunBroker API, Google Analytics API, REST/SOAP APIs, Excel Add-in (JS)
Platforms WinForms, Xamarin (Mobile), Mac App Development, Web Services EDUCATION
Degree / Certificate Institution Score Year
MCA Chandigarh University 77% 2015–2017
BCA HPU Shimla 66% 2011–2014
XII (HPSEB) HPSEB Dharamshala 72% 2011
X (HPSEB) HPSEB Dharamshala 76% 2009
Declaration
I hereby declare that all the information stated above is true and accurate to the best of my knowledge. Sudhir Kumar
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