Senior .NET Developer
$145k - $166kBlu Omega
Senior.NET Developer Cybersecurity
Rockville, Maryland May 8, 2026
Blu Omega is looking for a Senior.NET Developer to join our innovative team and play a vital role in shaping the future of mobile and web application development within a dynamic, tech-driven environment. This is an exciting opportunity to lead high-impact projects, leveraging your extensive expertise to drive technological excellence and support cutting-edge scientific initiatives.
Qualifications:
- 10+ years of hands-on software development experience with enterprise applications using the Microsoft Tech Stack
- 5+ years leading technical teams in Agile environments
- 3+ years developing large, scalable web and mobile applications using React
- Experience with cloud platforms
- Proficiency with Microsoft Visual Studio 2022 or later, Microsoft SQL Server (2019+), C# programming
- Experience with Azure DevOps, Git, React Native, Expo, React.js, or Vue.js (desirable but not mandatory)
Nice to Have:
- Proficiency with Vue.js or other modern front-end frameworks
- Additional cloud experience beyond Azure
- Familiarity with mobile application deployment and testing
Preferred Education and Experience:
- Bachelor's degree in Computer Science, Software Engineering, or a related field
- 10+ years of professional software development experience
- Demonstrated leadership in innovative projects within high-tech or scientific environments
Other Requirements:
- Ability to work in a hybrid setting with occasional travel as needed
- Relevant certifications in cloud platforms or project management are a plus
Salary Range: $145K- $166K Our final salary offer will be based on several factors, including depth of technical skills, work experience, education, certifications, and clearance.
What Blu Omega Can Offer You:
- Competitive benefits including Health Insurance, 401K w/ match, Paid Time Off and more.
- Results driven culture that embrace our core values
- Rewarding work contributing to our Nation's mission critical programs
Blu Omega is a Woman Owned Small Business Federal Technology services firm headquartered in Washington DC and supporting clients nationally. We provide Technology solutions for enterprise and government customers. Our team has a past performance in a diverse range of programs including those for Data Management, Cloud/Infrastructure, Software Development and Enterprise Applications. 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, or protected veteran status and will not be discriminated against on the basis of disability.
- ...Senior.NET Full Stack Developer Hybrid (Wednesdays in Silver Spring, MD) 9-12 months+ Top Skills Needed Autonomous Problem Solving – Able to identify and resolve issues independently Architectural Foresight – Designs scalable, maintainable solutions proactively...Senior
- ...software solution to meet the needs of today’s demands. Job Description: Join a fast-growing fintech provider in lending as a Senior .NET C# Developer working closely with requirement analysts and operations teams to develop, test, and support a mortgage lending...SeniorFull timeWork at officeRemote workMonday to Friday
- Syms Strategic Group, LLC is seeking a skilled C#/.Net Developer for a remote, full-time position. The successful candidate will have at least five years of experience in .NET technologies, with a strong emphasis on C#, MVC architecture, and RESTful APIs. Responsibilities...SeniorRemote jobFull time
- ...Job Description: Our client is seeking a highly motivated, flexible, organized, and detail-oriented Senior .Net Developer (Multiple Positions) to join our dynamic team in Rockville, MD. If you want to learn, grow, and help then this is the job for you. What you do...SeniorFlexible hours
$150,000 per week
...industry, where innovation, ethics, and teamwork are valued. As a Senior Software Engineer Staff in our IT & Cybersecurity department,... ...reinforce national security. You will be pivotal in designing, developing, and managing software systems that align with our high...Senior$70 per hour
...JOB TITLE - SR .NET DEVELOPER Job Title: .Net Developer Reports to: Program Manager Location: Bethesda, MD; Arlington, VA Start Date: Immediately Clearance Requirement: Public Trust Tax Term:-W2 or C2C Hourly Rate:- 70$ Visa Status:- Must...SeniorHourly payPermanent employmentFor contractorsWork at officeImmediate start- System Engineer/Developer Position Description Job Title: System Engineer/Developer (Federal IT Support) Location: Full-time on-site at client... ...LLC to provide expert development and O&M for a federal .NET web application supporting governance, budget execution, and automated...Full time
- ...Software Engineer Core Programming Skill and Concepts Must Have: Expert in Microsoft.NET stack: C#, ASP.NET (Web Forms, Web API), LINQ, Entity Framework, Web Services (WSDL) and.NET Core Intermediate SQL in Oracle / Postgres (creating tables, views, stored...
- An innovative company seeks a skilled Test Developer to join their dynamic software development team. In this role, you'll be responsible... ...standards. The ideal candidate will have a strong background in ASP.NET, VB.NET, and SQL Server, along with excellent communication...
$69.4k - $158k
...technology solutions provider in Virginia seeks an experienced full stack developer to create and implement software solutions that address client challenges. The role requires over 2 years of experience with .NET Framework and C#, along with expertise in Agile methodology....SeniorRemote job- ...billing platform, and provide hands-on mentorship to junior engineers. Candidates should have over 8 years of direct experience in the .NET ecosystem, Duck Creek product architecture and show strong skills in Azure and microservices. This position offers a hybrid work...Senior
- A federal IT solutions provider is seeking a System Engineer/Developer in Rockville, MD. The candidate will develop and maintain .NET applications supporting federal governance processes. The role requires 5+ years in .NET, expertise in SQL and cloud platforms, with a...
- Financial Industry Regulatory Authority, Inc. is seeking a Senior Principal Financial Analyst in Rockville, MD. This role leads tax compliance... ...activities, provides expert analysis on tax accounting, and develops policies to ensure adherence to laws. Applicants should have a...Senior
$105k - $215k
Geico in Bethesda, Maryland is looking for a Senior Engineer to help drive insurance business transformation and build zero-downtime platforms... .... The ideal candidate should have extensive experience in the .NET framework, knowledge of microservices architecture, and...Senior$140,000 per week
...seeking an experienced Software Engineer with Poly SR SWE1 to join our dynamic IT & Cybersecurity team. This role will focus on developing and maintaining high-level classified software systems that are critical to national security missions. As a part of our team, you...Senior- ...Developer III The client is seeking a Developer III to design, develop, and implement applications using general languages and technologies... ...~8+ years of hands-on application development experience in.NET and C# ~ Solid understanding of object-oriented programming and...Work experience placementFlexible hours
- Job Description Job Description Arkin & Leary, P.C. is looking for staff accountants with 1-5 years of experience working in public accounting. We are looking for talented individuals that are willing to work in all areas of accounting including attestation, taxation...Senior
$150k - $196k
...Senior Principal, Machine Learning & Artificial Intelligence Xometry powers the industries of today and tomorrow by connecting... ...scope and champion holistic solutions. Stay ahead of industry developments in ML, AI, generative AI, 2D/3D modeling and manufacturing...SeniorImmediate start$125k - $170k
...Senior Account Director - Banking (East)Location: Remote, USA - East RegionEmployment Type: Full-TimeCompensation Range: $... ...a defined territory. The role is focused on identifying, developing, and closing net-new customer opportunities, with a strategic emphasis on expanding...SeniorRemote workFlexible hours$136k - $144k
...Senior Software Developer Goldbelt Apex, a part of the Healthcare Technology Transformation Group, is a data-focused company dedicated to process... ...role focuses on full-stack development using SQL and ASP.Net technologies and plays a critical role in ensuring software...Senior$130k - $185k
...Description We are seeking detail-oriented and analytical Senior Transportation Engineers to join our team in Rockville, MD/the... ...office location per opportunity. Job Description: Design and Develop transportation infrastructure, including roadways,...SeniorWork at office$135,000 per week
At Lockheed Martin, we are committed to pioneering innovations in aerospace and defense. As a Sr Full Stack Software Engineer, you will lead the development and integration of cutting-edge software solutions that support both national security and technological advancement...Senior- ...Senior Database Administrator II Employment Type: Full-Time, Mid Level Department: Information Technology Contact Government... ...support Microsoft Technologies such as Visual Studio Framework, VB.NET, ASP, NET and Web Services. - Support visualization...SeniorFull timeFlexible hours
$160k - $200k
...Program Manager / Senior Program Manager (Federal IT Modernization & O&M) LCG Inc. is... ...technical leads, Business Analysts, QA, developers, operations teams, security stakeholders,... ...Business Analysis, QA, Development (Java/.NET), ServiceNow, Enterprise Architecture, O&...SeniorContract work- ...in the energy industry, with expertise in inverters and medium voltage systems. This remote role involves conducting inspections, developing QA/QC standards, and collaborating with project teams. Strong communication and problem-solving skills are essential. The company...SeniorRemote work
- ...of a start-up. We judge ourselves on our ability to innovate, drive efficiency and deliver excellence for our clients The .NET developer should have the web development skills along with client facing skills. Will be interacting with internal teams as well as the...Local area
- ...A leading global organization is seeking a Senior Workday HCM Analyst, Recruiting, to join their team remotely. You will enhance recruiting processes and collaborate with HR and IT teams to improve system efficiency. Strong Workday HCM experience and problem-solving skills...SeniorRemote work
$22 per hour
...A leading health tech innovator is seeking a Senior clinician with excellent arrhythmia analysis skills. This remote position involves comprehensive reporting and following clinical protocols using the Philips 2010 Holter system. Candidates should have a high school diploma...SeniorHourly payRemote work- A leading technology company is seeking a Cloud Solutions Network Engineer to develop scalable cloud network solutions and lead cross-functional teams. The ideal candidate has extensive experience with AWS and cloud services, along with proven DevOps expertise. This role...Senior
- A federal consulting firm in Rockville, Maryland is seeking to hire an Audit Manager to support their federal client. The ideal candidate will have over 10 years of auditing experience within the DoD and be proficient in preparing the necessary documentation for audits....Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior .NET Developer. Be the first to apply!
- senior c# .net software developer Rockville, MD
- senior net developer remote Rockville, MD
- senior associate architect Rockville, MD
- senior sas administrator Rockville, MD
- senior mainframe developer Rockville, MD
- senior resident engineer Rockville, MD
- senior cloud security engineer Rockville, MD
- senior brand strategist Rockville, MD
- senior program manager Rockville, MD
- senior manager product engineering Rockville, MD



