Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Sr .Net Developer

$115k - $150k

Alpha Omega Services

Sr.Net Developer

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.

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.

Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Sr .Net Developer in Arlington, VA vacancy
  •  ...Senior.Net Developer Role is 4 days on site in DC Strong FS.NET developer with heavy cloud experience (AWS or Azure prefer Azure) Looking for a senior.Net Developer who is experienced on the cloud side with Azure (ideally) - good in programming in Azure/cloud... 
    Senior

    Software Technology Inc

    Washington DC
    3 days ago
  •  ...Job Description Job Description Design, develop, and maintain modern web applications using Angular . Build and enhance backend services and APIs using .NET Core and C#. Collaborate with Business Analysts, Architects, and program teams to translate requirements... 
    Senior

    Techflairs Inc

    Washington DC
    9 days ago
  •  ...critical, enterprise-wide applications ~ Strong knowledge of .NET platform and coding practices for mid-tier applications that...  ...business logic and calculations. This role is not for UI/Front end developers. ~ Experience in building scalable, server-side enterprise... 
    Senior

    Software Technology Inc

    Washington DC
    4 days ago
  • $115k

     ...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... 
    Senior
    Full time
    Flexible hours

    Synergy Ecp

    Washington DC
    12 hours ago
  • ASRC Federal Technology Solutions is seeking a Senior .Net Application Developer to support the critical mission of the Drug Enforcement Administration (DEA). We are developing the applications that provide the tools necessary for our drug enforcement agents and the greater... 
    Senior

    ASRC Federal Holding Company

    Arlington, VA
    4 days ago
  •  ...As a .NET Full Stack Developer, you will play a critical role in the development and maintenance of web applications and services. You will be responsible for designing, coding, testing, and deploying high-quality software solutions using the .NET framework and associated... 
    Senior
    Full time

    Bow Wave Llc

    Washington DC
    12 hours ago
  • $130k - $145k

    Responsibilities Technica Corporation is seeking a C#/.NET Developer to join our team and support our client in Washington, DC.As a .NET Developer, you will contribute to the development, enhancement, and maintenance of web applications and services that support mission... 
    Senior
    Work experience placement
    Remote work

    Technica Corporation

    Washington DC
    3 days ago
  •  ...Job Description Job Description We are seeking a full-time, backend-focused  Senior .NET Developer to support application modernization initiatives and ongoing maintenance of legacy systems. This role requires a hands-on engineer with strong experience in modern backend... 
    Senior
    Full time
    Local area

    Mobomo, LLC

    Washington DC
    a month ago
  •  ...Andworx is seeking a Senior .NET Developer to play an important role in the development of mission and operational applications for a federal government agency. As Senior .NET Developer, you will be working on an Agile team that develops enterprise web applications using... 
    Senior
    Full time
    Second job
    Local area
    2 days per week

    Andworx

    Washington DC
    23 days ago
  •  ...Senior.Net Application Developer AVER is a fast-growing SDVOSB that has achieved significant revenue growth over the past 5 plus years with much of our work focused on Data Analytics, Mission Support, IT Modernization and Biometrics. AVER is seeking a Senior.Net Application... 
    Senior
    2 days per week

    AVer USA

    Washington DC
    2 days ago
  • $140k - $150k

    Piper Companies is seeking a Senior .Net Developer to join a Home Construction company located in Reston, VA. The Senior .Net Developer ideal candidate will have a passion for building high performing, maintainable software along with strong communication, organization,... 
    Senior

    Piper Companies

    Reston, VA
    2 days ago
  •  ...Science, Engineering or Management Information Systems or Master’s degree. • Minimum 7 years of experience • The developer should have a strong understanding of .Net/Node and its core concepts, such as components, state management, and lifecycle methods. They should be able... 
    Contract work
    Local area

    Cedent Consulting

    Washington DC
    4 days ago
  • Company DescriptionUSM Business Systems Inc. is a quickly developing worldwide System Integrator, Software and Product Development, IT Outsourcing...  ...requirement and send me your updated profile ASAP.Title: .net Software EngineerLocation: Arlington, VADuration: full... 
    Work experience placement
    Immediate start
    Worldwide

    USM Systems

    Arlington, VA
    1 day ago
  •  ...support of multiple web-based applicationsApply strong knowledge of web applications, and web technologies using .NET, Angular JS and JavaScript to develop quality solutionsEnsure that business rules are consistently applied across, to limit the possibility of inconsistent... 
    Full time
    For contractors

    Technamo

    McLean, VA
    4 days ago
  •  ...Job Description JOB PURPOSE: The .NET Software Developer will provide application support and development. This Developer will develop enterprise applications and web sites based on C# and a SQL Server back end. They will work within a team of developers on the... 
    Full time
    Work experience placement

    Hiregroup

    Washington DC
    12 hours ago
  • Company DescriptionUSM Business Systems Inc. is a quickly developing worldwide System Integrator, Software and Product Development, IT Outsourcing...  ...in Solution, Design and Development of applications using .Net framework• Bachelor’s degree in Computer Science or Engineering... 
    Work experience placement
    Worldwide

    USM Systems

    McLean, VA
    1 day ago
  • $125k

     ...highly cleared engineers, analysts, and program managers represent some of the best talent locally available. As a . NET/React Full Stack Developer , you will play a critical role in the development and maintenance of web applications and services. You will be... 
    Senior
    Flexible hours

    Synergy ECP

    Washington DC
    a month ago
  • Company DescriptionUSM Business Systems Inc. is a quickly developing worldwide System Integrator, Software and Product Development, IT Outsourcing...  ...development and business keenness.Job DescriptionPositon: .NET developerLocation: Mclean, VADuration: Fulltime/... 
    Full time
    Worldwide

    USM Systems

    McLean, VA
    4 days ago
  •  ...Job Description Job Description Senior .NET Developer Location: Alexandria, VA Work Schedule: Onsite 5 days per week Employment Type: Contract-to-Hire Clearance: Must be able to obtain a Public Trust Citizenship: U.S. Citizenship required We... 
    Senior
    Contract work

    JCD Staffing

    Alexandria, VA
    a month ago
  •  ...contractor that specializes in designing, developing, and delivering information technology and...  ...Encouraged to Apply.Job Description:The Senior .NET Developer's responsibilities include...  ...and Framework, and Angular front-end. The Sr. Developer will be expected to lead by example... 
    Senior
    For contractors

    Network Designs Inc.

    Alexandria, VA
    5 days ago
  •  ...Job Title: .NET Developer Location: Washington, DC (On-Site 5 days per week) Clearance Required: Active Top Secret Clearance Required to Start Duration: Long-term Contract Top Skills: .NET Development Database Production Support If a candidate is... 
    Long term contract
    Work experience placement

    Nastech Global

    Washington DC
    1 day ago
  • $75 - $93 per hour

    Washington, D.C., District of Columbia, United States ROLE : ASP.NET Developer (20 hours / week) PAY : $75 - $93 per hour (based on experience and qualifications) WORKPLACE TYPE : Remote (must be willing to visit client site, if needed) EMPLOYMENT TYPE : 1099 contract Know... 
    Hourly pay
    Contract work
    Remote work

    Comtech LLC

    Washington DC
    2 days ago
  • $90.3k - $189.6k

    Job Title: Full Stack Software Developer with C#/.NET ExpertiseJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *Bring... 
    Contract work
    Work experience placement
    Local area
    Flexible hours

    CACI International

    McLean, VA
    4 days ago
  •  ...Hi Hope you are doing well! Currently, we have an opening for an .NET Developer for our direct client Olypia, WA (Hybrid). The position details are given below. If you are interested, please email me or call me. Job Details: Title : .NET Developer... 
    Contract work
    Work at office

    Cloud Consulting Services Inc

    Washington DC
    24 days ago
  •  ...is a leading Federal contractor that specializes in designing, developing, and delivering information technology and network solutions for...  ...Designs, Inc. (NDi) is seeking an experienced Senior .NET Developer to design, develop, enhance, and support secure, scalable... 
    Senior
    For contractors

    Network Designs Inc.

    Alexandria, VA
    5 days ago
  •  ...Experience with LLMs and Azure AI services including Azure AI Studio/Foundry and Azure OpenAI Service Strong hands-on expertise in C# / .NET with 5+ years of C# experience Solid experience with Microsoft Azure and Azure PaaS services (App Services, Function Apps, Azure... 

    Cloud Analytics Technologies LLC

    Washington DC
    1 day ago
  • A technology solutions company is seeking a Net Software Developer to support the Congressional Budget Office. This role involves full-stack development and maintaining modern software applications. Candidates must have 5-8 years of experience and be comfortable with C#... 
    Remote job
    Work at office

    Vinsys Information Technology

    Washington DC
    3 days ago
  •  ...We are seeking a skilled .NET Full Stack Developer with strong experience in Angular (v10+) and modern web technologies. The ideal candidate will have 5–8 years of hands‑on experience building scalable web applications, developing REST APIs, and working across both front... 

    VeriiPro

    Washington DC
    12 hours ago
  •  ...Kadiak, LLC, a Koniag Government Services company, is seeking a Senior .Net Full-Stack Developer with a Top-Secret security clearance to support Kadiak and our government customer in Washington, DC. We offer competitive compensation and an extraordinary benefits package... 
    Local area
    Flexible hours

    Koniag Services, Inc.

    Washington DC
    4 days ago
  • $117.5k - $176.3k

     ...are not only part of history, they're making history.Northrop Grumman Corporate Office is seeking a highly qualified candidate for a Sr. Principal Financial Analyst opening in Falls Church, VA.This position requires a highly motivated self-starter with excellent verbal... 
    Senior
    Full time
    Work at office
    Relocation package
    Shift work

    Northrop Grumman

    Falls Church, VA
    12 hours ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Sr .Net Developer. Be the first to apply!