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Senior Software Developer
Constellation WestUnited States🇺🇸United StatesPosted 16 Aug 2026
Why This Role Stands Out
This hybrid Senior Software Developer role at Constellation West offers a fantastic opportunity to lead critical development and testing efforts for mission-critical federal applications, fostering significant career growth. You'll thrive here if you have experience with Agile methodologies, federal systems, and a passion for application modernization, making a real impact within a reputable organization. Apply now to leverage your technical expertise and contribute to important government initiatives.
Quick Overview
Work Type
Hybrid
Level
Mid Senior
Job Description
ROLE: SENIOR SOFTWARE DEVELOPER (TESTER)
REQUIRED:
DESCRIPTION:
Constellation West is a 29-year WOSB and Prime Federal Contractor bidding on IRS Criminal Investigation (CI) Management Information System Support Services (MISSS).
Qualified incumbent personnel currently supporting this mission will be afforded Right of First Refusal (ROFR) for applicable positions, consistent with contract requirements and contingent upon continued eligibility, performance, and government approval.
ABOUT US:
Constellation West is an award-winning company that delivers Information Technology (IT) engineering services and solutions and non-IT subject matter expertise worldwide. Established in 1997, Constellation West is an industry leader, partnering with key organizations across the Department of Defense and civilian agencies.
BENEFITS:
Competitive 401(k) plan with employer matching
Competitive Health Benefits with employer contributions
11 Paid Holidays per year
15 Days starting PTO for new hires
Tuition/CE reimbursement
Relocation Assistance
Veteran Hiring Preference
Employee Stock Ownership Plan (ESOP)
EEO:
Constellation West 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 status, protected veteran status, or any other characteristic protected by law.
REQUIRED:
- Active Public Trust
- Remote
- Federal civilian agency experience IRS or Treasury experience preferred Experience supporting mission-critical production applications Experience operating in FISMA-regulated environments Experience with Agile, SDLC, and application lifecycle management processes Experience supporting production deployments and application maintenance Experience supporting application modernization and migration efforts Strong communication and documentation skillsRole Summary
- Serves as the technical lead responsible for software development, testing, deployment support, release management, requirements analysis, defect resolution, and technical oversight for the MIS environment.
Primary Responsibilities
Lead software development activities Analyze and implement change requests Support requirements analysis and solution design Oversee application testing and deployment activities Coordinate production releases Support performance and capacity testing Support Section 508 compliance testing Support User Acceptance Testing (UAT) Maintain technical documentation Assist with modernization and migration initiatives
Key Technical Skills
C# ASP.NET .NET Framework Visual Studio SQL Server IIS HTML/XML Crystal Reports Business Objects Object-Oriented Design UML
Highly Desired Experience
Federal application development IRS or Treasury systems Software testing leadership Release management Performance testing Section 508 testing Legacy modernization projects
DESCRIPTION:
Constellation West is a 29-year WOSB and Prime Federal Contractor bidding on IRS Criminal Investigation (CI) Management Information System Support Services (MISSS).
Qualified incumbent personnel currently supporting this mission will be afforded Right of First Refusal (ROFR) for applicable positions, consistent with contract requirements and contingent upon continued eligibility, performance, and government approval.
ABOUT US:
Constellation West is an award-winning company that delivers Information Technology (IT) engineering services and solutions and non-IT subject matter expertise worldwide. Established in 1997, Constellation West is an industry leader, partnering with key organizations across the Department of Defense and civilian agencies.
BENEFITS:
Competitive 401(k) plan with employer matching
Competitive Health Benefits with employer contributions
11 Paid Holidays per year
15 Days starting PTO for new hires
Tuition/CE reimbursement
Relocation Assistance
Veteran Hiring Preference
Employee Stock Ownership Plan (ESOP)
EEO:
Constellation West 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 status, protected veteran status, or any other characteristic protected by law.
Skills
SQL
SQL Server
Agile
C#
.NET
ASP.NET
HTML
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