Senior Software Engineer - C#/.NET, Azure & DevOps Modernization

In this role, you will support the modernization, enhancement, and reliability of cloud-hosted services and engineering infrastructure used at enterprise scale. You will work in an Agile Scrum environment with two-week sprints, spending the majority of your time on hands-on technical work, including coding, testing, troubleshooting, code reviews, build and pipeline improvements, and service validation.

You will help modernize legacy applications, improve CI/CD and build workflows, strengthen end-to-end test coverage, support secure engineering practices, and contribute to overall system reliability, performance, and maintainability. This role is ideal for someone who enjoys working deeply in C#/.NET, cloud services, infrastructure as code, and distributed system troubleshooting.

Responsibilities

• Design, develop, implement, test, and maintain business-critical software applications and backend services.
• Fine-tune and improve sophisticated software implementation and modernization projects.
• Gather and analyze system requirements, document technical specifications, and develop software solutions aligned to client needs.
• Review enhancement requests, technical specifications, and system requirements.
• Implement system software and customize applications based on business and technical requirements.
• Prepare detailed software specifications, test plans, and validation documentation.
• Code new programs and features based on requirements and create test data for validation.
• Modify and modernize existing programs to meet updated engineering standards.
• Conduct unit testing, troubleshooting, and validation for new and legacy production systems.
• Create migration packages for system testing, user testing, and production implementation.
• Improve build pipelines, CI/CD workflows, test automation, and engineering infrastructure.
• Enhance end-to-end test coverage and create extended test scenarios.
• Diagnose and resolve reliability issues, stuck workflows, integration failures, and bugs found during testing.
• Participate in Agile Scrum ceremonies, including daily standups, sprint planning, backlog refinement, sprint reviews, and retrospectives.
• Collaborate with technical leads, engineers, and stakeholders through code reviews, design discussions, and sprint execution.
• Follow secure engineering practices, code quality standards, and maintainability guidelines.

Do you have experience in Technical troubleshooting support?, Do you have a Bachelor’s degree?, * Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field.

• 5-7 years of hands-on software engineering experience.
• Strong experience developing production systems using C# and .NET.
• Experience working across .NET Framework and modern .NET environments.
• Solid computer science foundation, including data structures, algorithms, and software design.
• Experience with large-scale systems software design and development.
• Hands-on experience modernizing legacy applications, including refactoring and improving code quality.
• Experience with SDK-style project migrations, NuGet package upgrades, and framework/runtime upgrades.
• Experience building, deploying, and maintaining cloud-hosted services.
• Strong understanding of RESTful Web API design and implementation.
• Experience performing in-depth troubleshooting and unit testing across new and legacy production systems.
• Experience diagnosing and resolving complex technical issues in services-oriented environments.
• Experience improving build pipelines, CI/CD workflows, and engineering automation.
• Strong focus on code quality, maintainability, build health, and adherence to engineering standards.
• Experience with Infrastructure as Code tools such as ARM templates, Bicep, Terraform, or similar.
• Ability to work independently with clear ownership of assigned sprint deliverables.
• Strong collaboration skills and ability to participate effectively in Agile team ceremonies, code reviews, and technical discussions.

Preferred Qualifications

• Experience with Azure cloud services, including subscriptions, resource groups, service configuration, and hosted backend components.
• Experience developing and maintaining RESTful Web APIs in cloud-hosted environments.
• Familiarity with service-to-service authentication and secure communication patterns.
• Experience migrating or managing infrastructure across cloud subscriptions and resource groups.
• Experience with modern build systems and pipeline migrations, including Azure DevOps or equivalent tools.
• Experience improving developer productivity through build reliability, automation, and test pipeline enhancements.
• Experience expanding end-to-end test coverage and building test scenarios for distributed systems.
• Experience supporting secure engineering initiatives, including replacing legacy authentication mechanisms and improving identity/access patterns.
• Familiarity with secure-by-default engineering practices and platform compliance requirements.
• Experience contributing to infrastructure modernization, environment isolation, pipeline upgrades, and service reliability improvements.

Pulled from the full job description

• Parental leave
• 401(k)
• Health insurance
• Paid time off
• Vision insurance
• Dental insurance
• Flexible spending account, At Blueprint, we strive to offer competitive pay that reflects the value of our team members. Compensation for this role is influenced by a variety of factors, including skills, education, responsibilities, experience, and geographic market. For candidates based in Washington State, the anticipated salary range is $53- $60 per hr. Please note that we typically do not hire new employees at the top of the posted range. Actual starting pay will be determined based on experience, skills, and internal equity. The final salary and job title may vary depending on the selected candidate’s qualifications and could fall outside the stated range., Blueprint believe in the importance of a healthy and happy team, which is why our comprehensive benefits package includes:
• Medical, dental, and vision coverage
• Flexible Spending Account
• 401k program
• Competitive PTO offerings
• Parental Leave
• Opportunities for professional growth and development

We are a technology solutions firm headquartered in Bellevue, Washington, with a strong presence across the United States. Unified by a shared passion for solving complicated problems, our people are our greatest asset. We use technology as a tool to bridge the gap between strategy and execution, powered by the knowledge, skills, and the expertise of our teams, who all have unique perspectives and years of experience across multiple industries. We’re bold, smart, agile, and fun.

What does Blueprint do?

Blueprint helps organizations unlock value from existing assets by leveraging cutting-edge technology to create additional revenue streams and new lines of business. We connect strategy, business solutions, products, and services to transform and grow companies.

Why Blueprint?

At Blueprint, we believe in the power of possibility and are passionate about bringing it to life. Whether you join our bustling product division, our multifaceted services team or you want to grow your career in human resources, your ability to make an impact is amplified when you join one of our teams. You’ll focus on solving unique business problems while gaining hands-on experience with the world’s best technology. We believe in unique perspectives and build teams of people with diverse skillsets and backgrounds. At Blueprint, you’ll have the opportunity to work with multiple clients and teams, such as data science and product development, all while learning, growing, and developing new solutions. We guarantee you won’t find a better place to work and thrive than at Blueprint.