I am writing to express my strong interest in said position, as advertised. With over 15 years of experience architecting and delivering robust enterprise solutions across finance, defense, and autonomous tech sectors, I bring deep expertise in Microsoft .NET technologies such as (C#, .NET Core, ASP.MVC, ASP.Core, RESTful API), distributed systems, and modern cloud architectures. At Dark Matter Technologies, I led the development of a scalable, event-driven cloud platform using .NET 6, AWS Lambda, and Entity Framework—streamlining financial data exchanges and reducing system latency. I have consistently modernized legacy applications using Blazor and Razor, and implemented CI/CD pipelines with Azure DevOps and Terraform, cutting deployment time by 40%. My AI-enabled prototypes using C# and LLMs like Llama 3.2 highlight my ability to integrate next-gen technologies for practical solutions.

RAJAN KUMAR SAN RAMON

I am writing to express my strong interest in said position, as advertised. With over 15 years of experience architecting and delivering robust enterprise solutions across finance, defense, and autonomous tech sectors, I bring deep expertise in Microsoft .NET technologies such as (C#, .NET Core, ASP.MVC, ASP.Core, RESTful API), distributed systems, and modern cloud architectures. At Dark Matter Technologies, I led the development of a scalable, event-driven cloud platform using .NET 6, AWS Lambda, and Entity Framework—streamlining financial data exchanges and reducing system latency. I have consistently modernized legacy applications using Blazor and Razor, and implemented CI/CD pipelines with Azure DevOps and Terraform, cutting deployment time by 40%. My AI-enabled prototypes using C# and LLMs like Llama 3.2 highlight my ability to integrate next-gen technologies for practical solutions.

Available to hire

I am writing to express my strong interest in said position, as advertised. With over 15 years of experience architecting and delivering robust enterprise solutions across finance, defense, and autonomous tech sectors, I bring deep expertise in Microsoft .NET technologies such as (C#, .NET Core, ASP.MVC, ASP.Core, RESTful API), distributed systems, and modern cloud architectures.
At Dark Matter Technologies, I led the development of a scalable, event-driven cloud platform using .NET 6, AWS Lambda, and Entity Framework—streamlining financial data exchanges and reducing system latency. I have consistently modernized legacy applications using Blazor and Razor, and implemented CI/CD pipelines with Azure DevOps and Terraform, cutting deployment time by 40%. My AI-enabled prototypes using C# and LLMs like Llama 3.2 highlight my ability to integrate next-gen technologies for practical solutions.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

Javanese
Advanced
Bashkir
Intermediate

Work Experience

System Engineer at Patelco Credit Union
June 1, 2015 - Present
Led mortgage LOS software development, enhancement, configuration management and testing across the Microsoft stack, and implemented cloud integrations (AWS, Azure) and Snowflake data workflows to improve deployment, testing, and data management.
Senior Software Engineer /Architect at Dark Matter Technologies ( fka Black Knight Inc. )
July 1, 2022 - May 31, 2025
Architected and developed a distributed, event-driven exchange cloud system using .NET Core 6.0, AWS Lambda, S3, SQS, API Gateway and Entity Framework; modernized legacy VB.NET/WinForms/MFC apps to C#/.NET 8 with Blazor; designed CI/CD pipelines and a Provider Simulator for rapid product validation.
Senior Software Engineer /Architect at Fremont Bank
October 1, 2019 - July 31, 2022
Designed and developed ASP.NET/C# APIs supporting Empower LOS workflows; integrated with third-party services (Title, Flood, Credit, DocMagic); built modern web apps using Blazor/Razor, EF Core, and ASP.NET Core Web API; maintained reliability with Splunk and other monitoring tools.
Senior Software Engineer & Architect at Ghost Locomotion
October 1, 2018 - October 31, 2019
Led full-cycle software architecture for autonomous vehicle solutions using C#/.NET, WPF/WinForms, ASP.NET Core/MVC, WCF and REST; implemented secure identity management (OAuth 2.0, OWIN, JWT, Azure AD); designed ETL pipelines and data visualization for real-time analytics.
Senior Lead Software Engineer /Architect at Perspecta ( fka Vencore )
August 1, 2017 - October 31, 2018
Led architecture and deployment of secure, mission-critical applications for the defense sector using C#/.NET, WCF SOAP/REST; developed scalable data pipelines and ETL workflows; implemented CI/CD and Agile practices.
Senior Software Engineer at IBM – San Jose
August 1, 2015 - August 31, 2017
Designed and developed IBM Bluemix BigInsights IaaS provisioning platform; built scalable monitoring and logging modules for cloud-based Hadoop clusters, enabling real-time observability in large DevOps environments.
Senior Software Engineer at Rocket Software
October 1, 2009 - August 31, 2015
Led end-to-end design and development of data-centric components using EF, LINQ, ADO.NET; engineered cross-platform solutions (WPF, Silverlight, ASP.NET MVC) with advanced reporting features across web and mobile platforms.
Senior Software Engineer at IBM – Denver
January 1, 2001 - September 30, 2009
Developed an ADO.NET provider and Visual Studio add-ins for IBM U2 Database; implemented connection pooling, unit testing, and comprehensive test suites; built demo apps to accelerate client adoption.

Education

Master of Science (MS) at Saint Petersburg State University, Russia
January 11, 2030 - March 15, 2026
Bachelor of Science (BS) at Saint Petersburg State University, Russia
January 11, 2030 - March 15, 2026
Object-Oriented Programming at University of Technology, Australia
January 11, 2030 - March 15, 2026

Qualifications

Microsoft Certified Application Developer (MCAD) for .NET
January 11, 2030 - March 15, 2026
IBM Watson Data Platform – Level 1
January 11, 2030 - March 15, 2026
Scala Certification
January 11, 2030 - March 15, 2026

Industry Experience

Financial Services, Software & Internet, Government, Transportation & Logistics, Professional Services