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.
- ...Responsibilities Design and develop new features and/or maintain existing applications developed on C# and ASP.NET MVC. Develop code and supporting documentation. Analyze business needs, develop requirements, design, develop and test custom software solutions. Provide...SeniorPermanent employmentContract workLocal area
- ...Job Title: Senior .NET Full Stack Developer Job Location: Hybrid (Wednesdays in Silver Spring, MD) Length: 9-12 months+ Background: Standard Interview Process: Virtual, followed by an onsite Top Skills Needed: Autonomous Problem Solving -...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...SuggestedFull time
$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 work- ...strong, mobile, and confident Deliver care in an environment that values outcomes over volume Document patient progress using Net Health and facility systems Collaborate with residents, families, nursing, and interdisciplinary team members to support the...SeniorFull time
- ...lives Practice in an environment that prioritizes quality over volume, without assembly-line scheduling Document patient progress using Net Health and facility systems Partner with residents, families, and interdisciplinary staff to clearly communicate therapy goals and...SeniorFull time
- ..., education Desired Qualifications: • UI Design Experience, Data Modeling, Web Services • Experience with full stack .NET applications • Experience with SQL Server including SSIS • Experience with source code management tools i.e. GitHub • Experience...Work experience placement
- A federal services provider is seeking an experienced Records Information Manager to provide crucial technical, management, and documentation support for a significant federal agency initiative. The ideal candidate will have over 7 years of records management experience...Senior
- ...A government services provider based in Rockville, Maryland, is seeking a Senior Billing Specialist to manage the e-billing and payment cycle, prepare reports, and supervise billing staff. Ideal candidates should possess five years of legal billing experience and leadership...Senior
- A high-growth public accounting firm based in Maryland is looking for a Tax Manager (CPA) to manage tax engagements and guide staff while working in a hybrid setting. The ideal candidate will have a minimum of 4 years of public accounting experience focused on tax, a strong...SeniorFlexible hours
- ...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
$75k - $93k
Institutional Shareholder Services Inc. is looking for an HR Generalist to join their collaborative team in Rockville, MD. This hands-on role involves supporting the full employee lifecycle, ensuring compliance with employment laws across multiple locations, and providing...Senior$50 - $55 per hour
...Benefits: Company parties Competitive salary Opportunity for advancement Wellness resources Job Title: .NET Developer Client: State of Virginia Location: Richmond, VA (Onsite) Duration: Long-Term Contract Position Overview:...Hourly payLong term contract$3,000 per month
...process being used on any particular project • Design or implement complex database or data repository interfaces/queries • Develop or implement algorithms to meet or exceed system performance and functional standards • Assist with developing and executing test...Senior- ...Net Developer TECHNAMO is a niche, young & dynamic IT service provider, VA SWaM certified, Microsoft Cloud Certified Partner, focused on providing IT Solutions & Services to government and commercial companies. Technamo is a Tier-I Contractor to provide IT Services...Full timeFor contractors
- ...Informations: This job is for sourcing of new candidates. Overview: We are seeking a versatile and experienced .NET Developer with a strong background in VBA, Microsoft Access, Visual Basic, and C#. This role is ideal for someone who thrives in both...Remote work
- A government services provider located in Rockville, MD seeks an experienced eDiscovery Analytics Lead. This role involves providing technical support for electronic discovery and legal processes. Candidates should have over 5 years of experience, strong communication ...Senior
- ...Contact Government Services, LLC is seeking a Senior Financial Investigator in Rockville, MD to provide legal and investigative support to a large federal agency. The role involves planning investigations, analyzing data, and preparing evidence for litigation. Candidates...Senior
$50 - $60 per hour
DataAnnotation is committed to creating high-quality AI. Enjoy the flexibility of remote work and the freedom to set your own schedule. This is an opportunity to work with us as an independent contractor. We're currently expanding into an exciting new area – teaching...SeniorHourly payContract workFor contractorsWork experience placementRemote work- Jobot in Rockville, MD is seeking a seasoned Litigation Paralegal for a fast-paced environment, handling high-stakes cases and providing critical support through all litigation stages. The role requires strong research, document management, and meticulous attention to ...Senior
- ...Our client, a leading organization in the clinical research sector, is seeking a .Net Developer to join their team. As a .Net Developer, you will be part of the innovative Technology Department supporting AI/ML integration and web application development. The ideal candidate...Weekly payContract workTemporary workRemote workFlexible hours
- Job Opportunity Announcement This position is located in Division of Decommissioning, Closure, Analysis, and Financial Oversight. This job opportunity announcement may be used to fill additional vacancies within the agency. The supervisor is Fred Miller. This position...Senior
- A local fire protection service provider is seeking a Lead Fire Sprinkler Technician to service, inspect, and repair sprinkler systems. This position requires expertise in NFPA codes, excellent troubleshooting skills, and the ability to communicate effectively with customers...SeniorLocal area
- ...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
- 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
- ...Senior Technical Manager Soltesz is seeking a highly experienced Senior Technical Manager to serve as a technical authority in land development civil engineering. This role is focused on engineering expertise, quality, and technical problem solving - not project management...SeniorLocal area
- Summary This position is located in Division of Guidance, Rulemaking, Economic Analysis, and Technical Editing. This job opportunity announcement may be used to fill additional vacancies within the agency. The supervisor is Araceli Billoch Colon. This position is subject...SeniorRemote work
$90k - $130k
...A data analytics firm is seeking a Qlik Sense Developer to enhance analytics solutions for federal clients. The role focuses on developing interactive dashboards and migrating from QlikView to Qlik Sense, requiring strong expertise in business intelligence and data integration...Senior$160k - $220k
Davis Construction in Rockville, MD is seeking a Project Executive to lead and manage construction projects effectively, overseeing budgets, schedules, and team coordination. The ideal candidate will have over 12 years of construction experience with a degree in Engineering...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 robotics software engineer Rockville, MD
- senior consulting engineer Rockville, MD
- senior dynamics crm developer Rockville, MD
- senior application security Rockville, MD
- senior inventory accountant Rockville, MD
- senior accountant part time Rockville, MD
- senior manager diversity & inclusion Rockville, MD
- senior manager creative operations Rockville, MD



