Location:Vienna, VA, USAPay Rate:$130000 - $180000 per year
Pay Type:per yearEmployment Type:Full Time

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.

Key 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

Required Qualifications

  • 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


Halvik offers a competitive full benefits package including:
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

Halvik Corp is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.
Halvik
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