Senior .Net Application Developer

Aver, Llc; Washington (District of Columbia); Hybrid; USD 130,000 - 157,000; Full time

Job summary

AVER, LLC is seeking a Senior .Net Application Developer in Washington, DC, onsite, to lead development across the full SDLC and production deployment. The role emphasizes SOLID design, secure coding, and collaboration with cross-functional teams to meet government mission goals.

The ideal candidate brings 8+ years of .NET experience, strong C#/MVC/MVVM skills, and expertise with EF Core, SQL Server/Oracle, and modern authentication protocols.

Qualifications

• 8+ years of .NET software development experience.
• Expert in C#, .NET Framework/Core and MVC patterns.
• Experience with SQL Server/Oracle and EF Core.
• Knowledge of security and authentication protocols (OAuth, OpenID).

Responsibilities

• Deliver solutions across the full systems development lifecycle.
• Support web and data-entry systems, client-server apps, and collaborative computing products.
• Design, develop, debug, implement, and troubleshoot production software issues.
• Coordinate conversion/integration of new products per client requirements.
• Act as senior developer, provide guidance and mentorship to staff.

Skills

C# / .NET Core

MVC / MVVM

EF Core

SQL Server / Oracle

RESTful Web Services

ASP.NET Core

JWT / OAuth / OpenID

RBAC / Claims-based auth

Windows Server

Agile Scrum

GitHub Actions

Security & Identity

Education

Bachelor's degree in Computer Science / Information Systems

Tools

JQuery

Telerik Kendo UI

AJAX

GitHub Actions

Job description

AVER is seeking a Senior .Net Application Developer with in-depth knowledge and experience assisting with agile methodology development for software maintenance and operations using .NET based coding tools. This role is technically focused from a software development lifecycle perspective to deploy products into a production environment. Join a collaborative team who values AVER’s mission, focus, and culture of delivering exceptional client service with great people and transformative technology solutions that ensure Government mission success.

Responsibilities Include:

• Demonstrated success delivering solutions across the full systems development lifecycle, leveraging deep technical expertise to understand scope and ensure successful project delivery
• Support covers of all websites, web-enabled data-entry systems, standalone and client-server applications, and collaborative computing products
• Design, develop, enhance, debugs, implement, and troubleshootproduction problems related to software applications
• Research, test, build, and coordinate the conversion and/or integration of new products based on client requirements
• Design and develop new software products or major enhancements to existing software and evaluates effectiveness of solutions
• Address problems of systems integration, compatibility, and multiple platforms
• Consult with project teams and end users to identify application requirements
• Perform feasibility analysis on potential future projects to management
• Assist in the evaluation and recommendation of application software packages, application integration and testing tools
• Resolve problems with software and respond to suggestions for improvements and enhancements
• Participate in development of software user manuals and technical reports
• Act as senior developer overseeing projects and providing guidance, oversight and mentorship to less senor staff
• Provide technical expertise and guidance to clients and team
• Conduct code reviews and review work of team members

Education Requirements:

• Bachelor’s degree in Computer Science, Information Systems, or related field. Applied experience as a Senior .Net Developer with skills to convey mastery of required experience may be substituted in lieu of degree requirement

Experience Requirements:

• 8+ years of technical analysis experience as a .Net Software Application Developer
• Experience with programming languages including Microsoft C# (.Net CORE), Microsoft .NET 6 or greater, Microsoft .NET Framework 4.8 or greater
• Experience using GitHub Actions or another DevOps tool
• Experience with MVC Design Patterns and MVVM Design Patterns
• Experience with ORM and database technologies including Entity Framework Core (EF Core) 6 or greater
• Experience with relational databases (SQL Server 2016 or above, Oracle 12c or above)
• Experience with front-end development tools including JQuery, AJAX, Telerik Kendo UI or similar UI frameworks
• Experience with web services including RESTful Web Services
• Experience with back-end services including Windows Services, ASP.NET Core
• Experience implementing authentication protocols SAML, OAuth 2.0, and OpenID Connect
• Experience working with JSON Web Tokens (JWT) for secure API communication
• Experience with role-based access control (RBAC) and claims-based authentication
• Experience with Microsoft Server Operating Systems (Windows Server 2019 or above)
• Experience with Agile Scrum methodology
• Experience with security and identity management
• Knowledge of secure coding practices and application security principles

Location:

• Washington, DC
• ON SITE, 2- 5 days per week required

Security Requirements:

• Ability to obtain and maintain government clearance (Public Trust)
• This role supports a government agency which requires U.S. citizenship

Compensation Package:

At AVER, we believe our people are the foundation of our success and are committed to providing meaningful work, competitive compensation, and a supportive environment where employees can grow while making a direct impact on critical Government missions. AVER offers a competitive total compensation package designed to support our employees both professionally and personally. Eligible employees receive a comprehensive benefits package that includes health and wellness coverage, paid time off and holidays, retirement benefits, and opportunities for career growth.

Target Salary: $ 130,000.00 - $ 157,000.00 /yr.

About Us:

AVER, LLC is a Data & Digital Transformation company that delivers exceptional client service with great people and transformative technology solutions to enable Government mission success. We provide customers with specialized technical skills and deep subject matter expertise focused on Homeland Security, Biometrics, Law Enforcement and Healthcare domains to meet the complex mission challenges today and tomorrow. We are a verified Service-Disabled Veteran-Owned Small Business (SDVOSB) that strives to provide a customer-centric experience building trusted partnerships with our clients and people.

AVER is an Equal Opportunity Employer/Veterans/Disabled