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Senior Software Engineer
Cayuse Holdings. Design, develop, test, and manage application development projects in support of IT infrastructure.
Posted 4/21/2026full-timeChantilly • Virginia • 🇺🇸 United StatesSenior💰 $135,000 - $141,489 per yearWebsite
Tech Stack
Tools & technologiesASP.NETAWSBootstrapDockerJavaScriptjQuery.NETPostgresSDLCSQL
About the role
Key responsibilities & impact- Design, develop, test, and manage application development projects in support of IT infrastructure.
- Integrate third-party components programmatically and introduce new custom capabilities.
- Modify existing code to enhance functionality and performance.
- Recommend process improvements and automate operations and maintenance tasks.
- Develop and implement technical efforts to design, build, and deploy applications under the direction of lead architects.
- Work on large-scale data processing, computationally intensive statistical modeling, and advanced analytics.
- Participate in all aspects of the software development life cycle, including planning, requirements, development, testing, and quality assurance.
- Conduct technical project milestone reviews, code architecture sessions, resource estimation, and development best practices knowledge transfer.
- Other duties as assigned.
Requirements
What you’ll need- Bachelor’s Degree
- Minimum of 8 years of experience.
- Must have experience with:
- C#
- ASP.NET MVC (web development)
- Object Oriented skills
- WCF or Web API
- Heavy SQL experience w/ Stored Procedures, Functions and PLSQL or Transactions
- Linq
- JavaScript, JQuery, HTML
- Nice To Have
- Git Repository/GitLab
- ASP.NET Core (Web)
- Postgres
- Internet Information Services (IIS)
- CSS/Bootstrap
- Telerik/other UI Framework
- IIS
- Docker
- CI/CD
- AWS
- Proven experience in software development and application management.
- Strong knowledge of application design, development, testing, and management.
- Experience with programmatic integration of third-party components.
- Proficiency in modifying existing code and introducing new custom capabilities.
- Ability to recommend and implement process improvements and automation.
- Experience with Microsoft 365 Power Platform and SharePoint.
- Experience with large-scale data processing, statistical modeling, and advanced analytics.
- Strong understanding of the software development life cycle, including planning, requirements, development, testing, and quality assurance.
- Experience working under the direction of lead architects.
- Familiarity with technical project milestone reviews and code architecture sessions.
- Knowledge of resource estimation and development best practices.
- Ability to transfer knowledge and mentor team members.
- Active Top Secret. Must be able to pass a background check. May require additional background checks as required by projects and/or clients at any time during employment.
Benefits
Comp & perks- Medical, Dental and Vision Insurance
- Wellness Program
- Flexible Spending Accounts (Healthcare, Dependent Care, Commuter)
- Short-Term and Long-Term Disability options
- Basic Life and AD&D Insurance (Company Provided)
- Voluntary Life and AD&D options
- 401(k) Retirement Savings Plan with matching after one year
- Paid Time Off
ATS Keywords
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Hard Skills & Tools
C#ASP.NET MVCObject Oriented programmingWCFWeb APISQLPLSQLJavaScriptHTMLLINQ
Soft Skills
process improvementautomationmentoringknowledge transferproject managementcommunicationteam collaborationproblem solvinganalytical thinkingleadership
Certifications
Bachelor’s DegreeActive Top Secret clearance