Senior .NET Developer

Harmonia Holdings Group, LLC; Washington (District of Columbia); Híbrido; USD 115.000 - 130.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Medical insurance

Dental insurance

Vision insurance

401(k) matching

Flexible schedules

Paid holidays and PTO

Descripción de la vacante

Revolutional is seeking a Senior .NET Developer to deliver high-quality, maintainable software across backend services, web apps, and databases. You will work with cross-functional teams in an Agile environment, using C# and the .NET stack to build scalable solutions.

Qualifications include US citizenship or green card, ability to obtain Public Trust clearance, and a 7-year software engineering background. This is a full-time, hybrid role based in McLean, VA with onsite work required.

Formación

• U.S. citizen or legal permanent resident.
• Ability to obtain and maintain a Public Trust clearance.
• Bachelor's degree in computer science or related field and 7 years of software engineering experience.
• Must be able to obtain and maintain Public Trust with the Federal government.
• Employer-based sponsorship is not available for this role; residency in the United States required.

Responsabilidades

• Design, develop, and maintain C#/.NET applications including .NET MVC, .NET Core 8.0, Web API, Telerik Kendo UI, and NPM.
• Build web apps with ASP.NET Web Forms and MVC using JavaScript, CSS/SASS, jQuery, Bootstrap, and TypeScript.
• Develop data access layers with Entity Framework, LINQ, and ADO.NET.
• Write and optimize SQL Server objects (T-SQL, stored procedures, UDFs, triggers) with SQL Server 2022 features.
• Support database architecture and migrations.
• Design and maintain WCF service components.
• Implement unit tests with NUnit and MSTest.
• Troubleshoot across app, database, and server tiers.
• Collaborate with cross-functional teams in an Agile environment.

Conocimientos

C#

ASP.NET

Entity Framework

SQL Server

Web API

WCF

MVC

JavaScript/TypeScript

Azure DevOps

Educación

Bachelor's degree in computer science or related field

Herramientas

Kendo UI

SQL Server 2022

Web Forms

Descripción del empleo

Job Description

Revolutional delivers advanced technology solutions and mission support to federal agencies across civilian, health, and national security environments. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes.

We are redefining how federal technology gets built and delivered by operating with a product mindset, prioritizing speed, ownership, and execution over bureaucracy.

Senior .NET Developer

Location: McLean, VA (hybrid, onsite work required)

Terms: Full-time

Salary: $115-130k DOE

Clearance: Qualified candidates must be US citizens or Green Card Holders and be eligible for a Public Trust clearance

Position Description

We are seeking a Senior .NET Developer that will be responsible for delivering high-quality, maintainable software across the full stack. You will work across backend services, web applications, and database layers while collaborating with cross-functional teams in an Agile environment. This role requires strong technical depth, disciplined engineering practices, and the ability to troubleshoot complex issues across multiple tiers.

Responsibilities

• Design, develop, and maintain applications using C# and the .NET stack, including .NET MVC, .NET Core 8.0, Web API, Telerik Kendo UI, and NPM.


• Build and enhance web applications using ASP.NET Web Forms and MVC with modern client-side technologies such as JavaScript, CSS/SASS, jQuery, Bootstrap, and TypeScript.


• Develop efficient data access layers using Entity Framework, LINQ, and ADO.NET.


• Write and optimize SQL Server database objects, including T-SQL queries, stored procedures, UDFs, and triggers, leveraging SQL Server 2022 features.


• Support complex database architecture and participate in database migration efforts.


• Design and maintain service-oriented components using WCF.


• Implement unit testing using frameworks such as NUnit and MSTest to ensure code quality and reliability.


• Troubleshoot and resolve issues across application, database, and server tiers.


• Collaborate closely with cross-functional development teams to design, review, and deliver high-quality software solutions.


• Participate in Agile ceremonies and practices, including sprint planning, daily stand-ups, backlog refinement, and continuous improvement

What You Bring (Requirements)

• U.S. citizen or legal permanent resident.


• Ability to obtain and maintain a Public Trust clearance.


• Bachelor's degree in computer science or related degree and 7 years of experience as a Software Engineer.


• The ability to obtain and maintain a Public Trust with the Federal government is mandatory.


• Employer-based sponsorship is not available for this role. Legal permanent residents must have maintained residency status in the United States for a minimum of the past three years.

Technical & Domain Capabilities

• Strong experience with C# and the .NET platform, including .NET Core, MVC, Web API, and WCF


• Strong experience with SQL Server (2022), T-SQL, and database design and migration concepts


• Skilled in developing, testing, and maintaining full-stack .NET applications using Entity Framework, LINQ, and ADO.NET


• Skills in writing and optimizing SQL queries, stored procedures, and database objects


• Hands-on experience with Azure DevOps and Web Apps, CI/CD pipelines, work item tracking, and release management

Core Strengths

• Ability to troubleshoot issues across applications, database, and server tiers and collabo-rate effectively within an Agile development team.


• Experience designing and building solutions using modern AI services and platforms, with a strong preference for candidates familiar with Microsoft AI offerings (e.g., Azure AI Services, Azure OpenAI), Microsoft Foundry, and Python.


• Excellent oral and written communication skills.


• Familiarity with Static Code Analysis using SonarQube or similar.

Nice To Have (Differentiators)

• Excellent written and verbal communication skills with the ability to partake in oral presentations


• Microsoft certified: Azure fundamentals or related cloud certifications (preferred)

Check out our Revolutional | LinkedIn to find out a little more about who we are and if we are the right next step for your career!

Here At Revolutional We Are Pleased To Have Been Repeatedly Recognized For Our Outstanding Work Culture, The Innovative Work We Do, And The Employees On Our Team Who Make a Difference Each Day. Some Of These Recognitions Include

• Recognized as a Top 20 \"Best Place to Work in Virginia\"


• Recipient of Department of Labor's HireVets Gold Medallion


• Great Place to Work Certification for five years running


• A Virginia Chamber of Commerce Fantastic 50 company


• A Northern Virginia Technology Council Tech 100 company


• Inc. 5000 list of fastest growing companies for eleven years


• Two-time SBA SBIR Tibbett's Award winner


• Virginia Values Veterans (V3) Certification

We recognize that every bit of our success is the result of our teams of hard-working, motivated, and innovative professionals who are proud to call themselves part of the Revolutional family! In addition to competitive compensation, a family-focused culture, and a dynamic, productive work environment, we offer all full-time employees a variety of benefits including, but not limited to

• Traditional and HSA- eligible medical insurance plans


• 100% employer-paid dental and vision insurance options


• 100% employer-sponsored STD, LTD, and life insurance


• 5% 401(k) company matching


• Flexible-schedules and teleworking options


• Paid holidays and PTO Accrual Plans


• Paid Parental Leave


• Professional development and career growth opportunities


• Team and company-wide events, recognition, and appreciation-- and so much more!

Revolutional is an Equal Opportunity Employer providing equal employment opportunity to all employees and applicants for employment without regard to race, color, religion, national origin, age, gender, gender identity, sexual orientation, disability, or genetics. Revolutional does and will take affirmative action to employ and advance in employment individuals with disabilities and protected veterans. To perform the above job successfully, an individual must possess the knowledge, skills, and abilities listed; meet the education and work experience required; and must be able to perform each essential duty and responsibility satisfactorily. Other duties in addition to those listed may be assigned as necessary to meet business needs. Reasonable accommodation will be made to enable an applicant with a disability to successfully apply for and/or perform the essential duties of the job. If you are in need of an accommodation, please contact [e-mail].

\"Know Your Rights: Workplace Discrimination is Illegal\" Poster | U.S. Equal Employment Opportunity Commission