Senior Software Engineer – Platform Modernization (.Net &Azure)

Blueprint Technologies•Redmond, WA

16h•$98,000 - $108,000•Onsite

About The Position

As a Software Engineer, you will design, build, and maintain services that support large‑scale driver‑servicing systems for global Windows users. Operating within an Agile/Scrum environment, you’ll work across modern and legacy codebases, develop cloud‑hosted services, and contribute to infrastructure modernization efforts. This role requires deep expertise in C#/.NET, Azure cloud services, and DevOps foundations, with a strong focus on service reliability, developer productivity, and continuous improvement of production systems.

Requirements

C# / .NET Development (5–7 years)
Strong hands‑on experience with C# across both .NET Framework and modern .NET (.NET Core / .NET 6+).
Experience building production systems and handling large/legacy codebases.
Proven ability to perform refactoring, modernization, and code quality improvements.
Experience migrating to SDK‑style projects, updating NuGet packages, and upgrading .NET runtimes.
Ability to write maintainable, testable, service‑oriented code and troubleshoot complex issues.
Microsoft Azure & Cloud Services (5–7 years)
Experience building, deploying, and operating services in Azure.
Proficiency in developing RESTful APIs hosted in cloud environments.
Understanding of Azure subscriptions, resource groups, configuration, and service environments.
Familiarity with cloud‑based CI/CD workflows and platform update processes.
Infrastructure as Code & DevOps Foundations (5–7 years)
Strong experience with IaC tools (ARM templates, Bicep, etc.).
Experience migrating or upgrading pipelines (Azure DevOps or equivalent).
Understanding of environment isolation, pipeline modernization, and service compliance requirements.
Proven ability to improve developer productivity through enhanced build reliability, automation, and testing pipelines.
Strong foundation in computer science (data structures, algorithms, software design).
Experience designing and developing large‑scale systems.
Experience troubleshooting deep system issues across new and legacy production environments.
Strong problem‑diagnosis and resolution skills.
Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field.
5–7 years of professional software engineering experience.

Responsibilities

Design, develop, implement, test, and maintain business and application software.
Fine‑tune and enhance complex software implementation projects.
Gather and analyze system requirements, document specifications, and deliver tailored software solutions.
Review enhancement requests and translate them into actionable technical updates.
Implement system software and customize solutions to meet client and platform needs.
Prepare detailed technical specifications, documentation, and test plans.
Develop new programs aligned to specifications and generate test data for validation.
Modernize and refactor existing programs to meet new standards and improve service health.
Conduct unit testing and troubleshoot issues across both new and legacy systems.
Build migration packages for system testing, user acceptance, and production deployment.
Perform quality assurance reviews to ensure reliability and compliance.
Validate post‑implementation performance and resolve production bugs.