I am a backend-focused software engineer with experience designing, building, and maintaining applications and services using C#, .NET Core, and ASP.NET. I enjoy shaping robust database schemas, optimizing performance, and integrating systems with MSSQL, MySQL, and cloud platforms. I work hands-on with CI/CD pipelines, containerization, and cloud deployments on Azure and AWS. I’m committed to writing reliable, maintainable code and delivering practical backend solutions across the full development lifecycle.

Borys Romanyuk

I am a backend-focused software engineer with experience designing, building, and maintaining applications and services using C#, .NET Core, and ASP.NET. I enjoy shaping robust database schemas, optimizing performance, and integrating systems with MSSQL, MySQL, and cloud platforms. I work hands-on with CI/CD pipelines, containerization, and cloud deployments on Azure and AWS. I’m committed to writing reliable, maintainable code and delivering practical backend solutions across the full development lifecycle.

Available to hire

I am a backend-focused software engineer with experience designing, building, and maintaining applications and services using C#, .NET Core, and ASP.NET. I enjoy shaping robust database schemas, optimizing performance, and integrating systems with MSSQL, MySQL, and cloud platforms.

I work hands-on with CI/CD pipelines, containerization, and cloud deployments on Azure and AWS. I’m committed to writing reliable, maintainable code and delivering practical backend solutions across the full development lifecycle.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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Work Experience

Senior Software Engineer at Payit Outdoors (Formerly S3)
January 1, 2025 - October 10, 2025
Developed web applications, backend services, and RESTful APIs to support scalable features. Collaborated on third-party integrations with state agencies and vendors. Built a hosted checkout page for NIC payment processors and implemented scheduled background jobs using Hangfire for reporting and off-peak data processing. Refactored Razor Pages into separate interfaces and backend services to ease maintenance and support future migration to microservices.
Software Engineer III at BorrowWorks, Inc.
January 1, 2021 - October 10, 2025
Maintained enterprise applications; implemented AWS SQS-based messaging to improve scalability; created a CLI utility to replace legacy sync processes, improving reliability; automated CI/CD pipelines with Jenkins; developed and supported RESTful APIs across platforms; integrated with third-party vendors including Iterable, Threatmetrix, Twilio, and Intuit.
Senior Software Engineer at Solera Global Data & Content
January 1, 2019 - October 10, 2025
Improved backend service performance by identifying bottlenecks and optimizing code; implemented runtime configuration management with Git and HashiCorp Vault; containerized services with Docker and orchestrated via Compose; refactored a monolithic ASP.NET application into microservices with React frontends and .NET APIs.
Senior Application Developer at Inmar, Inc.
January 1, 2017 - October 10, 2025
Maintained legacy systems with Informix 4GL, SQL, and C on AIX; created monitoring scripts and alerting to improve reliability; designed data validation and synchronization routines across operational databases; built server-side MS SQL, C#, .NET modules and client-side components.
Senior Software Engineer at Payit Outdoors (Formerly S3)
January 1, 2025 - October 10, 2025
Developed web applications, backend services, and RESTful APIs to support scalable features. Led third-party integrations by analyzing requirements, preparing documentation, and coordinating with external clients and vendors. Collaborated on CI/CD pipelines in Azure DevOps to improve build and deployment processes. Created a reusable wrapper for Select PDF to simplify PDF generation and improve layout consistency. Implemented scheduled background jobs using Hangfire for reporting, notifications, and off-peak data processing. Built consumer-facing web pages, POS interfaces, and admin dashboards with RBAC, and modernized Razor Pages into backend services to ease maintenance and support future migration to microservices. Integrated NIC payment processor checkout via hosted iframe.
Software Engineer III at BorrowWorks, Inc.
January 1, 2021 - October 10, 2025
Maintained enterprise applications and services in a core development team, ensuring stability and performance. Implemented AWS SQS-based messaging to improve scalability. Created a CLI utility to replace legacy sync processes, improving reliability of data transfers. Developed and supported RESTful APIs across multiple platforms. Automated CI/CD pipelines with Jenkins, reducing deployment errors and speeding delivery. Implemented an e-Signature document system with audit trails for compliance. Built API integrations with third-party vendors including Iterable, Threatmetrix, Twilio, and Intuit.
Senior Software Engineer at Solera Global Data & Content
January 1, 2019 - October 10, 2025
Improved backend service performance by identifying bottlenecks. Implemented runtime configuration management with Git and HashiCorp Vault. Worked with Docker containers to deploy and manage services across environments. Built web applications with .NET Core and React, supporting cross-platform features. Automated build and deployment processes with Concourse pipelines, Docker Compose, and PowerShell. Refactored a monolithic ASP.NET application into microservices with React frontends and .NET APIs.
Senior Application Developer at Inmar, Inc.
January 1, 2017 - October 10, 2025
Maintained legacy systems through database, reporting, and text-based UI modules using Informix 4GL, SQL, SPL, and C on AIX. Created monitoring scripts and alerting processes to improve system efficiency and reliability. Implemented validation and synchronization routines to ensure data integrity across operational databases. Designed and delivered server-side modules with MS SQL, C#, .NET, LINQ, and MVC5; built client-side modules with HTML, CSS, JavaScript, AngularJS, and Kendo UI. Designed ETL processes using SSIS, T-SQL, PowerShell, and Informix for integration and reporting. Automated workflows and schedules using UC4/AUTOMIC, Unix CRON, and SQL Agent.

Education

Master of Science in Electrical Engineering & Computer Science at Donetsk Technical University, Ukraine
January 11, 2030 - October 10, 2025
Master of Science in Electrical Engineering & Computer Science at Donetsk Technical University, Ukraine
January 11, 2030 - October 10, 2025

Qualifications

Microsoft Azure Fundamentals (AZ-900)
January 11, 2030 - October 10, 2025
Microsoft Azure Developer Associate (AZ-204)
January 11, 2030 - October 10, 2025
Microsoft Azure Fundamentals (AZ-900)
January 11, 2030 - October 10, 2025
Microsoft Azure Developer Associate (AZ-204) – In Progress
January 11, 2030 - October 10, 2025

Industry Experience

Software & Internet, Professional Services