Top 188 Sr. .net Developer Jobs in Washington, DC

Sr .Net Developer
Alpha Omega Integration —Vienna, VA
- $115,000 - $150,000 a year
- Remote
- Computer science
- 7 years
- Computer Science
- Health savings account
- Paid holidays
Quick Apply
Senior .NET Developer
Evolver Inc —Washington, DC
- $135,000 - $165,000 a year
- Full-time
- Hybrid work
- Background check
- Azure
- Computer Science
- Health insurance
- Dental insurance
Quick Apply
Sr. .Net Developer II (6661)
MetroStar —Reston, VA
- $147,000 - $161,000 a year
- Full-time
- Computer science
- Microsoft Outlook
- Computer Science
- Paid training
- Paid holidays
Quick Apply
Senior Blazor UI / UX Developer
Creative Global Consulting —Washington, DC
- $55 - $60 an hour
- Contract
- Remote
- Azure
- 5 years
- JavaScript
Quick Apply
10d
Senior Search Engineer (Enterprise Search)
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $105,000 - $290,000 a year
- Full-time
- Computer science
- 6 years
- Computer Science
- Disability insurance
- Health insurance
Senior .NET Developer (US citizen/Hybrid Work/Public Trust Required)
IvoryCloud —Rockville, MD
- $110,000 - $140,000 a year
- Full-time
- Hybrid work
- Computer Science
- Office
- Bachelor's degree
- Disability insurance
- Health insurance
Quick Apply
Senior Application Developer
SOSi —Fort Belvoir, VA
- $140,000 - $155,000 a year
- Full-time
- Azure
- 5 years
- Engineering
Quick Apply
Sr. Principal Cyber Software Engineer
Northrop Grumman —Jessup, MD
- $149,300 - $234,600 a year
- Overtime
- Computer science
- Computer Science
- Windows
- Paid holidays
- Disability insurance
Senior .NET Software Engineer
Network Designs Inc. —Alexandria, VA
- $125,000 - $135,000 a year
- Full-time
- Computer science
- Computer Science
- Bachelor of Science
- Paid holidays
- Disability insurance
Quick Apply
2d
Senior Software Developer
Highlight Technologies —Washington, DC
- Email
- Computer science
- Computer Science
- SQL
- Employee stock ownership plan
Senior Software Developer
SNI Companies —Washington, DC
- $150,000 - $165,000 a year
- 7 years
- Research
- Office
Quick Apply
1d
Sr. C# . Net Developer ---- Locals Only ---- Hybrid role
Zillion Technologies —Vienna, VA
- $85 - $105 an hour
- Full-time
- Hybrid work
- Computer science
- Azure
- Computer Science
- Disability insurance
- Health insurance
Quick Apply
4d
Lead Senior Cloud Platform Engineer
Stanley Martin Homes, LLC —Reston, VA
- $191,700 - $212,600 a year
- 8 hour shift
- Continuous improvement
- Senior level
- Python
- Paid parental leave
- Health savings account
Quick Apply
Lead Senior Cloud Platform Engineer
Stanley Martin Homes, LLC —Reston, VA
- $191,700 - $212,600 a year
- 8 hour shift
- Continuous improvement
- Senior level
- Python
- Paid parental leave
- Health savings account
Quick Apply
TS/SCI Cleared Software Developer - Senior
Amentum —Fort George G Meade, MD
- $145,000 - $153,000 a year
- Full-time
- Software troubleshooting
- Office
- Master's degree
- Health savings account
- Relocation assistance
Quick Apply
Web Developer Senior
CACI —Chantilly, VA
- $103,800 - $218,100 a year
- Full-time
- 7 years
- Computer Science
- Research
- Health insurance
Senior .NET Developer
Mobomo, LLC —Washington, DC
- Full-time
- Azure
- 5 years
- Office
- Paid time off
Quick Apply
Sr. Software Developer (6621)
MetroStar —Reston, VA
- $125,000 - $135,000 a year
- Full-time
- Computer Science
- 3 years
- Bachelor's degree
- Paid training
- Paid holidays
Quick Apply
Sr. Software Developer III (6681)
MetroStar —Washington, DC
- $184,000 - $225,000 a year
- Full-time
- Computer science
- Azure
- Computer Science
- Paid training
- Paid holidays
Quick Apply
Senior Engineer – .NET
GEICO —Bethesda, MD
- $150,758 - $183,500 a year
- Online Application
- Hybrid work
- Azure
- Computer Science
- Mid-level
- Work from home

I want to receive the latest job alert for Sr. .net Developer in Washington, DC

By signing in to your account, you agree to SimplyHired's Terms of Service and consent to our Cookie and Privacy Policy.

Explore jobs in more locations

Sr. .net Developer jobs near Washington, DC

Sr .Net Developer

Alpha Omega Integration -
Vienna, VA

Quick Apply

Job Details

$115,000 - $150,000 a year

Benefits

Health savings account
Paid holidays
Disability insurance
Health insurance
Dental insurance
Flexible spending account
Paid time off
Parental leave
401(k) matching
Professional development assistance
Bereavement leave
Life insurance

Qualifications

IIS
Direct client contact
Public Cloud
Stored procedures
SQL
VB.NET
Bachelor's degree
Azure DevOps proficiency
Azure AD
GitHub
SSIS
DevOps automation
TFS
ASP
Standard operating procedures (SOPs)
Active Directory management

Full Job Description

Job Title: Sr .Net Developer
Clearance Required: Public Trust – Federal Client requires US Citizenship
Work Location: Remote

Alpha Omega is seeking a highly skilled Sr .Net Developer for a Remote position on one of our prime Federal projects in Arlington, VA.

Ideal candidate has previous experience working with federal and large commercial clients, financial, insurance and banking with a strong emphasis on user experience, usability, client interaction, customer satisfaction, and a clear understanding of new and emerging technologies.

Key Responsibilities:

Support Mission Critical complex large scale application development and maintenance.
Provide Tier 3 support for public facing applications.
Design and develop quick prototypes.
Develop documentation throughout the software development life cycle.
Upgrading, configuring and debugging existing systems.
Provider development support on-premises application.
Participate on an agile O/M team.
Revise, update, refactor and debug code.
Serve as an expert on applications and provide technical support.

Required Qualifications:

Education:

BS/BA in Computer Science, Information Systems Management, or similar degree.

Experience/Skills:

Federal agency requires US Citizenship.
Proficient communication, facilitation, mediation, and verbal and written communication skills to be demonstrated upon interview.
Client-facing skills are required.
7+ years of experience in Microsoft legacy environment, ASP (Classic/Native), VB.NET, DLLs, COM+.
Must have experience with Azure cloud environment, IIS Server on VMs.
Experience with Active Directory, ADFS and Azure Entra.
Experience with GitHub Enterprise, Azure DevOps, Microsoft TFS and CI/CD pipelines.
Must have experience with SQL Server.
Must have Experience with Stored Procedures and SSIS Packages.
Possess high attention to detail with ability to follow detailed Standard Operating Procedures.
Experience in solving complex business issues- strong analytical and problem-solving skills.
Must have excellent time management and task prioritization skills.
Must have excellent verbal and written communication skills.

Preferred Qualifications:

Full stack development experience
Experience working directly with technical and business teams.
Experience with Java and Spring boot is plus
Knowledge of SDLC, IT governance and operations
Comprehensive knowledge of hardware, software, and application dependencies.

Salary and Benefit Information:

The likely salary range for this position is $115,000 - $150,000. This is not, however, a guarantee of compensation or salary. There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, education and certifications as well as contract provisions regarding labor categories that are specific to the position and could fall outside of this range.

Application Deadline: August 24, 2026

Joining the Alpha Omega team entitles you to participate in all retirement benefits, plans of deferred compensation, health and insurance benefits, and other such benefits as set forth in the company’s policy and benefits manuals. See below, to name a few:

PTO including paid parental, military, and bereavement leave
Eleven (11) paid Federal holidays, five of which are floating holidays (as designated by the company’s holiday schedule each year)
Health and Dental Insurance (including 100% employer paid premiums for employee coverage under the HDHP health plan)
Life Insurance, STD/LTD term disability coverage, with employer paid premiums
401 (k) plan with a match that is 100% vested after you complete two years of service
FSA/DFSA/HSA flexible benefit plans
Annual Tuition & Professional Development Reimbursement benefit

We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Culture and Values:

Guided by our core values—Harmony, Engagement, Accountability, Resourcefulness, and Tenacity (HEART)— we foster a culture of innovation, collaboration, and continuous learning and are committed to delivering high-impact solutions. We recognize and reward hard work.

Through our H.E.A.R.T. Awards Program, colleagues and managers can recognize each other for actions that exemplify these values. Recognized employees receive a detailed nomination highlighting their contributions, which is shared with their manager. Each quarter, select nominees have the opportunity to receive a monetary bonus as an extra thank-you for their impact.

Our Company:

Alpha Omega is an award-winning Federal IT solutions provider dedicated to delivering mission-enabling technology and strategic solutions across the National Security, Federal Financial, Healthcare, and Space & Science domains. Since our founding in 2016, we have grown to over 800 employees nationwide with $230m in revenue. With the January 2025 acquisitions of SeKON and Macro Solutions, we have expanded our capabilities to further support our customers in digital modernization, artificial intelligence, and cybersecurity.

We are committed to supporting our agency partners as they transform their operations, delivering on our purpose to ensure the safety, security, and well-being of future generations:

National Security – Supporting agencies such as the Department of Homeland Security (DHS) and the Department of State.
Federal Financial – We bring deep expertise in enterprise financial systems, supporting agencies like the Securities and Exchange Commission (SEC) and the Federal Deposit Insurance Corporation (FDIC).
Healthcare – Our Health IT capabilities, enhance health outcomes for the warfighter via the Defense Health Agency (DHA) and support public health initiatives at the Centers for Disease Control and Prevention (CDC), National Institutes of Health (NIH), and the Substance Abuse and Mental Health Services Administration (SAMHSA).
Space & Science – We leverage technology to advance agricultural sustainability, secure our nation’s food supply, and prepare for natural disasters, working with the National Oceanic and Atmospheric Administration (NOAA) and the United States Department of Agriculture (USDA).

Through strategic partnerships, intellectual property, and relentless drive for innovation, Alpha Omega is shaping the future of government technology. We are proud to be a Virginia Best Places to Work 8 times, an Inc. 5000 honoree 7 times, and a Washington Post Top Workplaces 4 times. Join us in driving transformation that secures the nation's future.

Alpha Omega Integration, LLC (Alpha Omega) 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, or any other protected class.

#LI-Remote

#LI-SR

#dice

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights (https://www.eeoc.gov/poster) notice from the Department of Labor.

Quick Apply

Refine Your Search

Sr. .net Developer jobs in Washington, DC

Sr .Net Developer

Senior .NET Developer

Sr. .Net Developer II (6661)

Senior Blazor UI / UX Developer

Senior Search Engineer (Enterprise Search)

Senior .NET Developer (US citizen/Hybrid Work/Public Trust Required)

Senior Application Developer

Sr. Principal Cyber Software Engineer

Senior .NET Software Engineer

Senior Software Developer

Senior Software Developer

Sr. C# . Net Developer ---- Locals Only ---- Hybrid role

Lead Senior Cloud Platform Engineer

Lead Senior Cloud Platform Engineer

TS/SCI Cleared Software Developer - Senior

Web Developer Senior

Senior .NET Developer

Sr. Software Developer (6621)

Sr. Software Developer III (6681)

Senior Engineer – .NET

I want to receive the latest job alert for Sr. .net Developer in Washington, DC

Related Searches

Explore jobs in more locations

Job Seeker Tools

Employer Tools

Browse

Stay Connected