.NET Architect

Halvik • Vienna, VA

1d

About The Position

Halvik Corp delivers a wide range of services to 13 executive agencies and 15 independent agencies. Halvik is a highly successful WOB business with more than 50 prime contracts and 500+ professionals delivering Digital Services, Advanced Analytics, Artificial Intelligence/Machine Learning, Cyber Security and Cutting-Edge Technology across the US Government. Be a part of something special!
We are seeking a highly experienced Architect with deep expertise in .NET technologies, RESTful services architecture, and strong experience working within Saxon-based transformation environments. The ideal candidate will lead architectural strategy, design and implement secure, high-performance applications.

Requirements

• 12+ years of progressive software development experience
• Strong hands-on expertise in .NET Core and C#
• Proven experience designing and implementing RESTful APIs at enterprise scale
• Deep experience with Saxon XSLT processor and XML transformation frameworks
• Strong knowledge of API security standards
• Experience implementing CI/CD pipelines and DevOps best practices
• Strong understanding of distributed systems, scalability patterns, and performance tuning

Responsibilities

• Define and own end-to-end architecture for enterprise-grade applications built on C#.NET platforms
• Design and implement scalable, secure, and high-performing RESTful APIs and services
• Architect and implement XML, XPath, XQuery, and XSLT 2.0/3.0 transformations leveraging the Saxon processor
• Lead API governance, including contract definition, versioning, error handling and observability practices
• Establish and enforce best practices for API security, authentication, and authorization
• Conduct architecture reviews and ensure alignment with enterprise standards and long-term strategy
• Collaborate with product, infrastructure, and security teams to deliver compliant and resilient solutions
• Drive performance optimization, scalability, and system reliability initiatives

Benefits

• Company-supported medical, dental, vision, life, STD, and LTD insurance
• Benefits include 11 federal holidays and PTO
• Eligible employees may receive performance-based incentives in recognition of individual and/or team achievements.
• 401(k) with company matching
• Flexible Spending Accounts for commuter, medical, and dependent care expenses
• Tuition Assistance
• Charitable Contribution matching

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed