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Senior Software Engineer (.NET Full Stack Dev

Job in Washington, District of Columbia, 20022, USA
Listing for: Cayuse Holdings
Full Time position
Listed on 2026-01-01
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer
Job Description & How to Apply Below
Position: Senior Software Engineer (.NET Full Stack Dev)
Overview

The Senior Software Engineer is responsible for the design, development, testing, and management of application development projects in support of IT infrastructure. This includes programmatic integration of third-party components, introduction of new custom capabilities, modification of existing code, process improvement recommendations, and automation of operations and maintenance tasks. The Software Engineer develops and implements technical efforts to design, build, and deploy applications under the direction of lead architects, including large-scale data processing, computationally intensive statistical modeling, and advanced analytics.

This role participates in all aspects of the software development life cycle for all solutions, including planning, requirements, development, testing, and quality assurance.

This position performs all duties and responsibilities in accordance with the Mission, Vision, and Core Values of Cayuse.

Responsibilities

• 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.

Qualifications

• Bachelor’s Degree

• Minimum of 8 years of experience.

• 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 with SCI eligibility

• 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.

Minimum

Skills Required:

• Excellent problem-solving and analytical skills.

• Strong communication and interpersonal skills.

• Ability to respond effectively to customers with a sense of urgency.

• Proficient in Microsoft and Adobe toolsets, including Excel, Word, PowerPoint, Acrobat, etc.

• Highly motivated with the ability to handle and manage multiple tasks at any one time.

• Ability to forge new relationships, individual and teaming in nature.

• Must be a Self-starter, that can work independently and as part of a team.

Our Commitment to you / overview of benefits

• 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&DI Insurance (Company Provided)

• Voluntary Life and AD&DI options

• 401(k) Retirement Savings Plan with matching after one year

• Paid Time Off

Reports to:

Program Manager

Working Conditions

• Professional office environment.

• Ability to work, M-F, between core hours of 6:00 AM and 6:00 PM ET.

• Must be physically and mentally able to perform duties extended…
Position Requirements
10+ Years work experience
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