Salary : $97,540.00 - $157,962.00 Annually
Location : 100 Maryland Ave Rockville MD 20850 USA
Job Type: Permanent
Remote Employment: Flexible/Hybrid
Job Number:
Department: Department of Technology and Enterprise Business Solutions
Division: TBS 34 OSP Employee Productivity Services
Opening Date: 09/02/2026
Closing Date: 9/9/2026 11:59 PM Eastern
FLSA: Exempt

About the Position
Please note: The salary range above represents this position's earning potential. The anticipated hiring range for this position will be $97,540.00 to $155,095.00, based on the candidate's qualifications and experience.

We are seeking a Senior .NET Developer () with strong cloud experience to design, build, and support modern applications in Microsoft Azure. The ideal candidate is proficient in .NET Core/.NET 8, C#, and cloud-native architectures, with hands-on experience integrating Azure services such as App Services, Functions, API Management, Service Bus, Azure SQL, and AI Foundry.

Technical Skills:

• Proficient in HTML, CSS, JavaScript, and UI frameworks such as Blazor, React, and Angular
• Experienced in integrating front-end components with back-end systems using .NET Core/.NET 8, C#, and ASP.NET Core
• Skilled in writing and optimizing T-SQL queries, stored procedures, functions, views, and triggers, including performance tuning and indexing
• Proficient in SSMS, database design, normalization, and integrating databases with .NET applications using Entity Framework Core
• Experienced in deploying and managing applications with Azure Functions, Logic Apps, API Management, and other Azure services
• Strong understanding of serverless, microservices, and cloud-native architectures
• Skilled in DevOps practices, including CI/CD with Azure DevOps, GitHub Actions, containerization, Git workflows, and Agile development
• Knowledgeable in security best practices (encryption, authentication, authorization, API security)
• Experienced with code reviews and pull request management

Analytical and Problem-Solving Skills:

• Strong analytical abilities to evaluate data and identify trends
• Experience conducting feasibility studies and solution assessments
• Skilled in performing gap analysis

Communication and Interpersonal Skills:

• Excellent written and verbal communication skills
• Strong interpersonal skills for collaborating with stakeholders, project teams, and leadership

Other Attributes:

• Self-motivated and organized, with the ability to manage multiple priorities
• Proactive and results-driven, with a commitment to high-quality work
• Strong attention to detail

What You'll Be Doing
The Senior .NET Developer in an Azure environment is responsible for designing, developing, deploying, and maintaining cloud-ready and cloud-native applications using .NET technologies and Microsoft Azure services. This role blends advanced software engineering expertise with strong cloud architecture, DevOps, and security practices to deliver scalable, secure, and high-performing enterprise solutions.

Major Duties Include:

• Develop and maintain .NET Core/.NET 8 applications and REST APIs
• Design scalable, secure solutions using Azure PaaS services
• Build CI/CD pipelines using Azure DevOps or GitHub Actions
• Implement DevSecOps practices, API security, and secure coding standards
• Modernize legacy applications and support cloud migration and modernization efforts
• Collaborate with cross-functional teams and mentor junior developers while fostering knowledge sharing on modern UI frameworks (Blazor, React, Angular)

A criminal background check will be conducted on the selected candidate before appointment, and it will be a significant factor in the hiring decision.
Minimum Qualifications
Experience: Five (5) years of professional experience in the information technology field, such as C#, ASP.NET Core/.NET 8, and cloud-native development, with strong experience in Azure services, microservices, and API security. They are proficient in GitHub or Azure DevOps, CI/CD processes, and containerization tools such as Docker and Kubernetes. They bring solid knowledge of SQL, Cosmos DB, and modern UI frameworks, including Blazor, React, or Angular. Strong communication skills, effective cross-team collaboration, and a broad understanding of software development processes and technical solutions are essential.

Education: Bachelor's degree in computer science or a related field from an accredited college or university, or certifications in specific programming languages or operating systems that may include Visual C++, Visual J++, C++, C, SQL, ASP.NET Core, and cloud-native development, GitHub or Azure DevOps, CI/CD, and containerization

Equivalency: An equivalent combination of education and experience may be substituted. For applicants possessing very hard-to-find skills that are a critical need to the department/agency, training and certification may be accepted instead of full degree requirements.

Probationary Period: Individuals appointed to a position in this class will be required to serve a probationary period of twelve (12) months and, if promoted to a position in this class, will be required to serve a probationary period of six (6) months. Performance will be carefully evaluated during the probationary period. Continuation in this class will be contingent upon successful completion of the probationary period.

Medical Protocol: This position requires completion of a pre-employment Medical History Form to assess your ability to perform the essential duties of the role safely.

Preferred Criteria, Interview Preferences
All Applicants will be reviewed by the Office of Human Resources (OHR) for minimum qualifications. Those applicants who meet minimum qualifications will be rated "Qualified," placed on the Referred List, and may be considered for an interview. Employees meeting minimum qualifications who are the same grade or higher will be placed on the Referred List as a "Transfer" candidate and may be considered for an interview. Preference for interviews will be given to applicants with experience in the following:
Preference for interviews will be given to applicants with .NET development experience and strong cloudexpertise, including building modern applications in Microsoft Azure. Candidates should be proficient in .NET Core/.NET 8, C#, and cloud-native architectures, with hands-on experience using Azure services such as App Services, Functions, API Management, Service Bus, and Azure SQL. Experience with GitHub or Azure DevOps, CI/CD, and containerization is also preferred.

All applicants will respond to a series of questions related to their education, relevant experience, knowledge, skills, and abilities required to minimally perform the job. The applicant's responses in conjunction with their resume and all other information provided in the employment application process will be evaluated to determine the minimum qualifications and preferred criteria or interview preference status. Based on the results, the highest qualified applicants will be placed on an Eligible List and may be considered for an interview. Employees meeting minimum qualifications who are the same grade will be placed on the Eligible List as a "Lateral Transfer" candidate and may be considered for an interview.

This will establish an Eligible List that may be used to fill both current and future vacancies.

If selected for consideration for this position, you may be required to provide evidence that you possess the knowledge, skills, and abilities indicated on your resume.

Leave Benefits

Our generous leave package starts with non-MLS permanent and term employees earning 15 days of sick leave and 15 days of annual leave in their first year, as well as up to three additional personal days each calendar year. Positions in MLS earn 35 days of paid time off each year. In addition, we offer all employees 10 paid holidays. Our leave policies adhere to the Family Medical Leave Act of 1993, and we provide six weeks of paid parental leave for new parents.

Retirement Benefits

All permanent and term positions are eligible for robust retirement plans. Public safety positions are eligible for a defined benefit pension plan in which they are vested after only five years. Employees in non-public safety positions can participate in retirement plans that contribute up to 12 percent of their annual salary. All employees can also participate in a supplemental retirement plan, the 457 Deferred Compensation Plan, to contribute even more to their retirement goals.

Tuition Assistance & Student Loan Forgiveness

Montgomery County employees are eligible to participate in the Federal Public Service Loan Forgiveness Program. Participants who meet all requirements may qualify for forgiveness on the remaining balance on their Direct Loans after making 120 qualifying monthly payments under a qualifying repayment plan while working full-time in a qualifying public service position. To learn more about PSLF, please visit the Student Loan Repayment Benefits page. Our tuition assistance program allows you to receive up to $2,130 annually in tuition assistance to help you achieve a degree that supports your career path.

Free Mass Transit Benefit

County employees are entitled to use the RideOn Bus service for free with a valid County-employee ID. This benefit can be used any time of the day or evening, including weekends. We also offer a pre-tax flexible spending account to reduce the cost of other mass-transit options such as MARC trains and Metro.

Reduced Child and Health Care Costs

Working for Montgomery County also entitles permanent and term employees to participate in healthcare and childcare Flexible Spending Accounts. These plans allow eligible employees to save on a pretax basis for healthcare and dependent care costs incurred during the plan year.

Employee Wellbeing

We deeply care about your holistic wellness. Our award-winning wellness program, LiveWell, will support you in improving and maintaining your physical, mental, financial, social, and intellectual well-being.

Learn more about our wonderful benefits available to you once you join our team. Montgomery County Benefits
01

What is your highest level of completed education?

• N/A
• High School/GED
• Associate's Degree
• Bachelor's Degree
• Master's Degree
• Doctorate

02

Do you have a bachelor's degree in Computer Science or a related field?

• Yes
• No

03

How many years of professional experience do you have in the information technology field such as C#, ASP.NET Core/.NET 8, and cloud-native development, with strong experience in Azure services, microservices, and API security?

• Less than 1 year of Experience
• 1 Year Experience
• 2 Year's Experience
• 3 Year's Experience
• 4 Year's Experience
• 5 Year's Experience
• 6 Year's Experience
• 7 Year's Experience
• 8 Year's Experience
• 9+ Year's Experience

04

Please list the job title and employer from your resume where you used .NET Core or .NET 8.If this is not on your resume, write N/A.
05

From your resume, name the Azure services you have personally worked with (e.g., App Services, Functions, API Management, Service Bus, Azure SQL). If none are listed in your resume, write N/A.
06

Based on your resume, which CI/CD tools have you used (GitHub, Azure DevOps, contai