Senior .Net Developer or .Net Lead
QUANTUM TECHNOLOGIES LLC· Oct 4, 2026 · 24d ago
Rockville, MD
In office
Full-time
Lead
$154K–$220K est.
12+ years exp
Job description
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Job Description
Job Overview
• Job ID:
J53089
• Job Title:
Senior .Net Developer or .Net Lead
• Location:
Rockville, MD
• Duration:
20 Months + Extension
• Hourly Rate:
Depending on Experience (DOE)
• Work Authorization:
US Citizen, Green Card, OPT-EAD, CPT, H-1B,
H4-EAD, L2-EAD, GC-EAD
• Client:
To Be Discussed Later
• Employment Type:
W-2, 1099, C2C
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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 matters and has significant impact on the medical, health, and scientific communities we serve. Your work here really matters and has real impact.
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 technical leadership and take multiple systems and cross-system integration into account when designing and developing solutions.
• Provide maintenance for current software applications while developing new solutions.
• Work in a team environment to develop, test, and deploy software changes.
• Work with customers to understand and implement new requirements.
• Provide operational support when necessary.
• Work the product backlog of features and bugs.
• Provide input on new designs and architecture as needed.
• Develop a well-tested, high performance, scalable web application.
Job Requirements
• 12+ years of experience designing, developing and deploying web-based applications in C#, .NET MVC, .NET CORE, SQL Server, JavaScript, TFS.
• 12+ years of experience with RDBMS, databases, and Behavior Driven Development (BDD) is preferred.
• 12+ years experience in software development.
• BS/MS degree in MIS, CS, or related discipline is required.
Preferred Skills :
• Experience with Front end technologies like Angular/React/Vue js preferred.
• Experience with Azure cloud Migration from On-Prem is preferred.
• Some experience with Object-Oriented Programming and working with N-Tier Architecture.
• Some experience with software testing and design patterns.
• Great customer service and interfacing with customers required.
• Excellent oral and written communication skills.
• Experience with Windows Workflow Foundation (WF) development experience, Agile/SCRUM experience, preferred.
• MS ASP.NET Certification is a plus.
• DevOps skills and experience a plus.
• Ability to change and have the ability to work in a fast-paced environment.
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Equal Opportunity Employer
QUANTUM TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. QUANTUM TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will QUANTUM TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract
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