Senior Software Integration Engineer - Assistant Vice President (C#/.NET)

Location: Based in the greater Colorado Springs, Colorado area; office work is required Monday–Thursday, with remote work available on Friday. Other listed locations: Toronto, Ontario, Canada, and Salt Lake City, Utah, United States.

Base salary: $110,000–$130,000 USD annually.

Company

hirify.global operates a financial technology platform supporting annuities and complex client and product ecosystems.

What you will do

• Design, develop, test, deploy, and support complex integrations using C#, .NET, REST APIs, XML, JSON, Entity Framework, LINQ, and SQL.
• Translate business and technical requirements into secure, scalable integration designs, APIs, data mappings, validations, and configurations.
• Lead technical analysis and solution design across internal applications, databases, client systems, and third-party platforms.
• Collaborate with Product Owners, architects, QA, DevOps, Support, and client-facing teams to deliver end-to-end solutions.
• Drive code quality, security, performance, reliability, testability, monitoring, logging, error handling, and reusable integration patterns.
• Provide technical leadership through design reviews, architectural discussions, mentoring, Agile delivery, release management, and production support.

Requirements

• 6+ years of software development experience delivering testable code and supporting operationalization, including code reviews, configurability, source-code management, release practices, and production support.
• 6+ years of hands-on experience with C#, .NET, and ASP.NET MVC; advanced proficiency in object-oriented programming, application services, controllers, models, asynchronous programming, and common .NET practices.
• Strong understanding of SOLID principles, design patterns, modular development, microservice architecture, and reusable software design.
• Advanced experience designing and consuming REST APIs, including authentication, authorization, validation, versioning, security, and resilient error handling.
• Strong experience with XML, JSON, Entity Framework, LINQ, SQL, and Postman for enterprise integration development and troubleshooting.
• Experience with Git and Azure DevOps, including repositories, builds, CI/CD pipelines, releases, deployments, and work-item management.
• Strong debugging and root-cause analysis skills across logs, APIs, payloads, databases, configuration, application code, pipelines, and deployment behavior.
• Experience with NUnit, xUnit, or MSTest, with a strong understanding of test coverage and testable design.
• Understanding of application security, sensitive-data handling, logging, monitoring, reliability, and configuration-management principles.
• Strong communication skills, ability to engage directly with clients and nontechnical stakeholders, and willingness to provide occasional off-hours or weekend support.
• Experience working in an Agile and Scrum team environment.
• Working knowledge of HTML, CSS, and JavaScript for supporting end-to-end functionality.

Nice to have

• Scrum Master experience.
• Professional experience with React.
• Demonstrated success leading technical delivery, mentoring engineers, influencing solution quality, and communicating complex topics to technical and nontechnical stakeholders.

Culture & Benefits

• Hybrid schedule with office work Monday–Thursday and remote work on Friday.
• Full-time employees receive salary, equity, and an annual performance bonus.
• Benefits include an employer-matched retirement plan, subsidized healthcare, employer-paid dental and vision coverage, telemedicine, and virtual mental health counseling.
• Parental leave and unlimited paid time off are provided.
• Occasional off-hours or weekend support is required for critical production issues, deployments, and business-critical activities.