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- Developed and optimized multiple web pages using C# and .NET framework, improving backend processing efficiency and reducing page load time to approximately 1 second. - Re-architected legacy ASP.NET Web Forms applications into ASP.NET MVC architecture with Telerik Kendo UI, improving application performance and maintainability by 23%. - Built and maintained ASP.NET Web Forms applications using C# with LINQ-based data access and SQL Server integration, ensuring stable and efficient data-driven functionality. - Designed performance-critical components using C++, implementing data structures such as B-trees and hash tables, improving search efficiency and data retrieval speed in large-scale systems. - Designed and extended WCF-based SOA services, enabling secure and interoperable communication between distributed systems and cross-platform services. - Developed frontend applications using React.js, implementing two-way data binding, improving UI responsiveness, reducing load time by 18%, and increasing overall application performance by 15%. - Utilized ADO.NET and SQL Server for database connectivity, ensuring efficient backend data operations and reliable application performance. - Contributed to the full SDLC lifecycle (analysis, design, development, testing, and maintenance) for multiple applications in an Agile/Scrum environment, ensuring iterative and high-quality delivery. - Optimized Oracle PL/SQL procedures, packages, functions, and materialized views for a Meter Data Management System (MDMS), improving data retrieval performance by 28%. - Designed and documented RESTful HTTP APIs, including JSON schema definitions and API versioning strategies, improving system flexibility and reducing development effort by 19%. - Applied Agile Scrum, Test-Driven Development (TDD), and TFS version control, ensuring structured development practices and consistent code quality across teams.…- Developed and optimized multiple web pages using C# and .NET framework, improving backend processing efficiency and reducing page load time to approximately 1 second. - Re-architected legacy ASP.NET Web Forms applications into ASP.NET MVC architecture with Telerik Kendo UI, improving application performance and maintainability by 23%. - Built and maintained ASP.NET Web Forms applications using C# with LINQ-based data access and SQL Server integration, ensuring stable and efficient data-driven functionality. - Designed performance-critical components using C++, implementing data structures such as B-trees and hash tables, improving search efficiency and data retrieval speed in large-scale systems. - Designed and extended WCF-based SOA services, enabling secure and interoperable communication between distributed systems and cross-platform services. - Developed frontend applications using React.js, implementing two-way data binding, improving UI responsiveness, reducing load time by 18%, and increasing overall application performance by 15%. - Utilized ADO.NET and SQL Server for database connectivity, ensuring efficient backend data operations and reliable application performance. - Contributed to the full SDLC lifecycle (analysis, design, development, testing, and maintenance) for multiple applications in an Agile/Scrum environment, ensuring iterative and high-quality delivery. - Optimized Oracle PL/SQL procedures, packages, functions, and materialized views for a Meter Data Management System (MDMS), improving data retrieval performance by 28%. - Designed and documented RESTful HTTP APIs, including JSON schema definitions and API versioning strategies, improving system flexibility and reducing development effort by 19%. - Applied Agile Scrum, Test-Driven Development (TDD), and TFS version control, ensuring structured development practices and consistent code quality across teams.

Zachary King

Full Stack Developer, Web Developer, Back-End Developer, +4

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- Developed and optimized multiple web pages using C# and .NET framework, improving backend processing efficiency and reducing page load time to approximately 1 second. - Re-architected legacy ASP.NET Web Forms applications into ASP.NET MVC architecture with Telerik Kendo UI, improving application performance and maintainability by 23%. - Built and maintained ASP.NET Web Forms applications using C# with LINQ-based data access and SQL Server integration, ensuring stable and efficient data-driven functionality. - Designed performance-critical components using C++, implementing data structures such as B-trees and hash tables, improving search efficiency and data retrieval speed in large-scale systems. - Designed and extended WCF-based SOA services, enabling secure and interoperable communication between distributed systems and cross-platform services. - Developed frontend applications using React.js, implementing two-way data binding, improving UI responsiveness, reducing load time by 18%, and increasing overall application performance by 15%. - Utilized ADO.NET and SQL Server for database connectivity, ensuring efficient backend data operations and reliable application performance. - Contributed to the full SDLC lifecycle (analysis, design, development, testing, and maintenance) for multiple applications in an Agile/Scrum environment, ensuring iterative and high-quality delivery. - Optimized Oracle PL/SQL procedures, packages, functions, and materialized views for a Meter Data Management System (MDMS), improving data retrieval performance by 28%. - Designed and documented RESTful HTTP APIs, including JSON schema definitions and API versioning strategies, improving system flexibility and reducing development effort by 19%. - Applied Agile Scrum, Test-Driven Development (TDD), and TFS version control, ensuring structured development practices and consistent code quality across teams.…- Developed and optimized multiple web pages using C# and .NET framework, improving backend processing efficiency and reducing page load time to approximately 1 second. - Re-architected legacy ASP.NET Web Forms applications into ASP.NET MVC architecture with Telerik Kendo UI, improving application performance and maintainability by 23%. - Built and maintained ASP.NET Web Forms applications using C# with LINQ-based data access and SQL Server integration, ensuring stable and efficient data-driven functionality. - Designed performance-critical components using C++, implementing data structures such as B-trees and hash tables, improving search efficiency and data retrieval speed in large-scale systems. - Designed and extended WCF-based SOA services, enabling secure and interoperable communication between distributed systems and cross-platform services. - Developed frontend applications using React.js, implementing two-way data binding, improving UI responsiveness, reducing load time by 18%, and increasing overall application performance by 15%. - Utilized ADO.NET and SQL Server for database connectivity, ensuring efficient backend data operations and reliable application performance. - Contributed to the full SDLC lifecycle (analysis, design, development, testing, and maintenance) for multiple applications in an Agile/Scrum environment, ensuring iterative and high-quality delivery. - Optimized Oracle PL/SQL procedures, packages, functions, and materialized views for a Meter Data Management System (MDMS), improving data retrieval performance by 28%. - Designed and documented RESTful HTTP APIs, including JSON schema definitions and API versioning strategies, improving system flexibility and reducing development effort by 19%. - Applied Agile Scrum, Test-Driven Development (TDD), and TFS version control, ensuring structured development practices and consistent code quality across teams.

Available to hire

Dallas, United States

Developed and optimized multiple web pages using C# and .NET framework, improving backend processing efficiency and reducing page load time to approximately 1 second.
Re-architected legacy ASP.NET Web Forms applications into ASP.NET MVC architecture with Telerik Kendo UI, improving application performance and maintainability by 23%.
Built and maintained ASP.NET Web Forms applications using C# with LINQ-based data access and SQL Server integration, ensuring stable and efficient data-driven functionality.
Designed performance-critical components using C++, implementing data structures such as B-trees and hash tables, improving search efficiency and data retrieval speed in large-scale systems.
Designed and extended WCF-based SOA services, enabling secure and interoperable communication between distributed systems and cross-platform services.
Developed frontend applications using React.js, implementing two-way data binding, improving UI responsiveness, reducing load time by 18%, and increasing overall application performance by 15%.
Utilized ADO.NET and SQL Server for database connectivity, ensuring efficient backend data operations and reliable application performance.
Contributed to the full SDLC lifecycle (analysis, design, development, testing, and maintenance) for multiple applications in an Agile/Scrum environment, ensuring iterative and high-quality delivery.
Optimized Oracle PL/SQL procedures, packages, functions, and materialized views for a Meter Data Management System (MDMS), improving data retrieval performance by 28%.
Designed and documented RESTful HTTP APIs, including JSON schema definitions and API versioning strategies, improving system flexibility and reducing development effort by 19%.
Applied Agile Scrum, Test-Driven Development (TDD), and TFS version control, ensuring structured development practices and consistent code quality across teams.

Skills

Experience Level

Expert

Expert

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Expert

Intermediate

Language

Javanese

Advanced

English

Fluent

Work Experience

Senior Software Engineer, Tech Lead at Ramp

October 1, 2021 - April 1, 2026

Led modernization of legacy fintech services into a cloud-native microservices platform using C#, .NET, ASP.NET Core, Angular, and Azure; architected event-driven microservices with async messaging and domain-driven design; established Azure infrastructure (App Services, AKS, Functions, Service Bus, Storage, Key Vault); optimized backend performance with SQL Server tuning, EF Core, Redis, and parallel/async processing; migrated legacy SOAP to RESTful APIs; built and modernized CI/CD pipelines with Azure DevOps, YAML, Docker, and Terraform; implemented enterprise monitoring with Application Insights, Log Analytics, Grafana, and Datadog; introduced AI-assisted tooling; led frontend development and data synchronization with Dynamics 365; conducted extensive testing (xUnit, NUnit, Jasmine/Karma) achieving high test coverage; mentored a 3-person Agile team.

Senior Software Engineer at Raytheon

November 1, 2018 - September 1, 2021

Contributed to a large-scale distributed defense system in an Agile environment; modernized legacy components toward service-oriented and microservice architectures; designed RESTful and SOAP services with Apache Camel; built backend services in .NET and Java (Jetty) on AWS EC2/RDS with S3 and CloudWatch; improved performance via refactoring, query optimization, and reduced dependencies; developed frontend modules and established CI/CD pipelines with Maven and Git; applied Repository/Factory/Observer patterns and enhanced logging/monitoring; mentored junior engineers.

Software Engineer at MindCore

January 1, 2015 - October 1, 2018

Developed and optimized multiple web pages using C# and the .NET framework; re-architected legacy ASP.NET Web Forms to ASP.NET MVC with Telerik Kendo UI; built and maintained ASP.NET Web Forms apps using C# with LINQ and SQL Server; designed WCF-based SOA services; created React.js frontend components; designed performance-critical components in C++; leveraged ADO.NET/SQL Server for data access and contributed to a Meter Data Management System with Oracle PL/SQL optimizations; authored RESTful HTTP APIs, practiced Agile/Scrum and TDD; performed unit/integration testing.