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Kirankumar B.
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Kirankumar B.

Senior Full-Stack .NET | SaaS Engineer | Azure | React & Angular

I’m a Senior Full-Stack .NET Developer with 𝟭𝟴+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝘀𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲, helping businesses build, modernize and scale SaaS, enterprise and eCommerce applications. 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 | 𝟭𝟬𝟬% 𝗝𝗼𝗯 𝗦𝘂𝗰𝗰𝗲𝘀𝘀 | $𝟳𝟬𝗞+ 𝗲𝗮𝗿𝗻𝗲𝗱 | 𝗠𝗶𝗰𝗿𝗼𝘀𝗼𝗳𝘁 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗲𝗱 My core expertise is 𝗖#, 𝗔𝗦𝗣.𝗡𝗘𝗧 𝗖𝗼𝗿𝗲, 𝗔𝘇𝘂𝗿𝗲, 𝗥𝗲𝗮𝗰𝘁/𝗡𝗲𝘅𝘁.𝗷𝘀, 𝗔𝗻𝗴𝘂𝗹𝗮𝗿, 𝗦𝗤𝗟 𝗦𝗲𝗿𝘃𝗲𝗿 𝗮𝗻𝗱 𝘀𝘆𝘀𝘁𝗲𝗺 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀. I work particularly well on complex applications where understanding the existing architecture, business processes and integrations is just as important as writing code. 𝗛𝗼𝘄 𝗜 𝗖𝗮𝗻 𝗛𝗲𝗹𝗽 • Build scalable SaaS and enterprise applications • Modernize legacy ASP.NET / VB.NET applications to .NET • Develop ASP.NET Core APIs and backend services • Build React, Next.js and Angular frontends • Design multi-tenant SaaS architectures • Integrate ERP, CRM, POS, payment and third-party systems • Diagnose and improve application/database performance • Migrate and deploy applications on Microsoft Azure • Maintain and extend complex existing applications • Integrate AI/LLM capabilities into business applications 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 • Architected and maintained a highly customized 𝗺𝘂𝗹𝘁𝗶-𝘁𝗲𝗻𝗮𝗻𝘁 𝗲𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝘀𝘂𝗽𝗽𝗼𝗿𝘁𝗶𝗻𝗴 𝟮𝟬𝟬+ 𝘀𝘁𝗼𝗿𝗲𝘀, with extensive integrations and high-volume traffic. • Built Azure-based integration pipelines using 𝗔𝘇𝘂𝗿𝗲 𝗙𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝘀, 𝗦𝗲𝗿𝘃𝗶𝗰𝗲 𝗕𝘂𝘀, 𝗦𝗤𝗟 𝗮𝗻𝗱 𝗥𝗘𝗦𝗧 𝗔𝗣𝗜𝘀 for POS, product, inventory and order synchronization. • Modernized enterprise applications using 𝗔𝗦𝗣.𝗡𝗘𝗧 𝗖𝗼𝗿𝗲 𝗔𝗣𝗜𝘀 𝘄𝗶𝘁𝗵 𝗥𝗲𝗮𝗰𝘁/𝗡𝗲𝘅𝘁.𝗷𝘀 𝗮𝗻𝗱 𝗔𝗻𝗴𝘂𝗹𝗮𝗿 𝗳𝗿𝗼𝗻𝘁𝗲𝗻𝗱𝘀. • Built SaaS applications with authentication, subscriptions, payments, dashboards, reporting and multi-tenant architecture. • Delivered integrations with 𝗗𝘆𝗻𝗮𝗺𝗶𝗰𝘀 𝟯𝟲𝟱, 𝗗𝗮𝘁𝗮𝘃𝗲𝗿𝘀𝗲, 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗖𝗲𝗻𝘁𝗿𝗮𝗹, 𝗦𝗵𝗼𝗽𝗶𝗳𝘆, 𝗦𝘁𝗿𝗶𝗽𝗲, 𝗞𝗹𝗮𝗿𝗻𝗮, 𝗣𝗮𝘆𝗣𝗮𝗹, 𝗫𝗲𝗿𝗼, 𝗣𝗢𝗦 𝗮𝗻𝗱 𝗘𝗥𝗣 𝘀𝘆𝘀𝘁𝗲𝗺𝘀. • Diagnosed and optimized performance across .NET applications, SQL Server, APIs, caching and cloud infrastructure. 𝗖𝗼𝗿𝗲 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝘆 𝗦𝘁𝗮𝗰𝗸 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: C#, .NET 8/9, ASP.NET Core, Web API, EF Core, Dapper, LINQ 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React, Next.js, Angular, TypeScript, JavaScript, HTML/CSS 𝗖𝗹𝗼𝘂𝗱: Microsoft Azure, Azure Functions, Service Bus, Storage, App Services, Azure SQL 𝗗𝗮𝘁𝗮: SQL Server, PostgreSQL, Redis, Elasticsearch 𝗗𝗲𝘃𝗢𝗽𝘀: Azure DevOps, CI/CD, Docker, IIS, Linux 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆: OAuth 2.0, JWT, OpenID Connect, SAML 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀: nopCommerce, Umbraco, Microsoft 365, Dynamics 365/Dataverse 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻: OpenAI/Azure OpenAI, RAG, AI assistants and workflow automation I also have extensive experience maintaining and modernizing 𝗹𝗲𝗴𝗮𝗰𝘆 𝗔𝗦𝗣.𝗡𝗘𝗧 𝗠𝗩𝗖, 𝗩𝗕.𝗡𝗘𝗧, 𝗪𝗶𝗻𝗙𝗼𝗿𝗺𝘀 𝗮𝗻𝗱 𝗪𝗣𝗙 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀, which is particularly useful for businesses moving mature systems toward modern .NET and cloud architectures. 𝗪𝗵𝗮𝘁 𝗬𝗼𝘂 𝗖𝗮𝗻 𝗘𝘅𝗽𝗲𝗰𝘁 I’m comfortable taking ownership of a project from 𝗿𝗲𝗾𝘂𝗶𝗿𝗲𝗺𝗲𝗻𝘁𝘀 𝗮𝗻𝗱 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 𝘁𝗵𝗿𝗼𝘂𝗴𝗵 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁, 𝗱𝗲𝗯𝘂𝗴𝗴𝗶𝗻𝗴, 𝗱𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 𝗮𝗻𝗱 𝗼𝗻𝗴𝗼𝗶𝗻𝗴 𝗼𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻. I can work independently on an existing codebase or collaborate with your developers, product owners and stakeholders as part of a larger team. If you need a senior engineer who can 𝘂𝗻𝗱𝗲𝗿𝘀𝘁𝗮𝗻𝗱 𝗮 𝗰𝗼𝗺𝗽𝗹𝗲𝘅 𝘀𝘆𝘀𝘁𝗲𝗺, 𝘀𝗼𝗹𝘃𝗲 𝗱𝗶𝗳𝗳𝗶𝗰𝘂𝗹𝘁 𝘁𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗽𝗿𝗼𝗯𝗹𝗲𝗺𝘀 𝗮𝗻𝗱 𝗯𝘂𝗶𝗹𝗱 𝗺𝗮𝗶𝗻𝘁𝗮𝗶𝗻𝗮𝗯𝗹𝗲 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 𝗿𝗮𝘁𝗵𝗲𝗿 𝘁𝗵𝗮𝗻 𝘀𝗶𝗺𝗽𝗹𝘆 𝗰𝗼𝗺𝗽𝗹𝗲𝘁𝗲 𝘁𝗶𝗰𝗸𝗲𝘁𝘀, send me your requirements and I’ll be happy to discuss the best approach.

🇮🇳Ahmedabad, India$40/hr100% JSS5.00 (34)Since Nov 2016

Earnings and projects

MRR
$27

Last 6 months ÷ 6

World#161,108 / 412k
🇮🇳Country#16,947 / 45.9k
Revenue, last 30 days
$0

Last 6 months: $162

Total earnings
$74k

Billed in all: $75k

World#53,527 / 412k
🇮🇳Country#8,368 / 45.9k
Per project
$1.8k

$81 in the last 6 months

World#84,483 / 412k
🇮🇳Country#10,345 / 45.9k
Projects, last 6 months
2
0% fixed100% hourly
World#88,918 / 412k
🇮🇳Country#10,198 / 45.9k
Projects in all
42

Across 43 contracts

51% fixed49% hourly
World#72,392 / 412k
🇮🇳Country#11,573 / 45.9k

Earnings, last 30 days

$75.1kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$74k$75k$76k$77kOct 8Oct 23Nov 7

Skill rankings: Top 24% in ASP.NET MVC

Ranked by MRR among everyone on Upwork with the skill.

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  3. #244Web API670 freelancers · 🇮🇳 #79Top 36%
  4. #319Entity Framework1,047 freelancers · 🇮🇳 #113Top 30%
  5. #633ASP.NET MVC2,619 freelancers · 🇮🇳 #271Top 24%
  6. #649ASP.NET Core2,272 freelancers · 🇮🇳 #228Top 29%
  7. #672Azure DevOps2,096 freelancers · 🇮🇳 #196Top 32%
  8. #837Microsoft SQL Server2,759 freelancers · 🇮🇳 #214Top 30%