Sr. .NET Developer

ARETUM Holdings LLC; Bethesda (MD); A distancia; USD 120.000 - 150.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Health Care Plan

Retirement Plan

Life Insurance

Paid Time Off

Family Leave

Short/Long Disability

Training & Development

Descripción de la vacante

ARETUM Holdings LLC is seeking a Senior Developer to advance Microsoft-based solutions, modernize legacy systems, and guide migration to cloud-native architectures. You will design, develop, and maintain applications for federal contracting clients, ensuring high-quality delivery and operational efficiency.

The role requires collaboration across cross-functional teams in an Agile setting, with emphasis on security, governance, and accessibility standards, and occasional travel in support of

Formación

• 7+ years of demonstrated experience with C#, ASP.NET, and .NET development.
• Microsoft Certified Professional and/or Azure Certification.
• Experience refactoring and migrating .NET Framework applications to .NET Core, including ASP.NET, ASP.NET Core.
• 5+ years of experience building and maintaining RESTful services and WCF.

Responsabilidades

• Work cross-functionally in an Agile environment to develop cloud-native applications using .NET 10, Angular 20+, and Azure Services with a focus on Web API and Entity Framework Core.
• Must be flexible, able to work in a highly collaborative environment, juggle multiple tasks at once, and work independently and collaboratively as needed.
• Utilize superior interpersonal skills and strong communication skills.
• Be comfortable working directly with the Project Manager to support emerging client needs.
• Ensure alignment with enterprise security, governance, and accessibility standards.

Conocimientos

C#

ASP.NET

RESTful services

JavaScript

Angular

Azure

Docker

Kubernetes

Entity Framework

Communication

Agile/Scrum

Problem solving

Educación

Bachelor's Degree

Herramientas

Azure DevOps

Git

Visual Studio

Entity Framework Core

Descripción del empleo

ARETUM Holdings LLC

Description

Public Trust Eligibility Required

About Aretum

Aretum is a mission-driven organization committed to delivering innovative, technology-enabled solutions to our customers across defense, civilian, and homeland security sectors. Our teams work at the intersection of strategy, technology, and transformation, helping agencies solve their most critical challenges. We believe in investing in our people and creating a culture where collaboration, inclusion, and professional growth are at the forefront.

Job Summary

Aretum is seeking a skilled Senior Developer in the Microsoft ecosystem, particularly with knowledge of .NET solutions, to join our team in creating dynamic and innovative solutions for our clients. The ideal candidate will play a key role in modernizing legacy applications, guiding migration strategies, and designing cloud-native solutions. You will work in cross-functional teams providing software development activities in support of maintenance and enhancement of existing systems. You will be responsible for designing, developing, and maintaining applications and systems for our clients. Your expertise will ensure that we deliver high-quality development solutions to enhance our clients’ operational efficiency and technological advancement.

Due to the nature of our work as a federal consulting organization, employees may be expected to handle Controlled Unclassified Information (CUI) and must adhere to applicable safeguarding and compliance requirements.

Responsibilities

• Work cross-functionally in an Agile environment to develop cloud-native applications using .NET 10, Angular 20+, and Azure Services with a focus on Web API and Entity Framework Core
• Must be flexible, able to work in a highly collaborative environment, juggle multiple tasks at once, and work independently and collaboratively as needed
• Utilize superior interpersonal skills and strong communication skills
• Be comfortable working directly with the Project Manager to support emerging client needs
• Ensure alignment with enterprise security, governance, and accessibility standards

Requirements

• 7+ years of demonstrated experience with C#, ASP.NET, and .NET development
• Bachelor's Degree (5 additional years of experience are acceptable in lieu of a degree)
• Microsoft Certified Professional and/or Azure Certification
• Experience refactoring and migrating .NET Framework applications to .NET Core, including ASP.NET, ASP.NET Core
• 5+ years of experience building and maintaining RESTful services and WCF
• 4+ years of experience with JavaScript and Angular v16 or higher
• Solid experience with Entity Framework and Entity Framework Core
• Experience with Azure Cloud
• Experience with Visual Studio Ultimate 2017/2019/+, Azure DevOps, and Git
• Containerization experience on Windows servers with Docker and Kubernetes
• Solid knowledge of Scrum Agile development methodology
• Excellent written/verbal communication skills

Travel Requirements

This is a remote position; however, occasional travel may be required based on project needs, client meetings, team collaboration events, or training sessions. Travel is expected to be less than 10% and will be communicated in advance whenever possible.

EEO Statement

Aretum is committed to fostering a workplace rooted in excellence, integrity, and equal opportunity for all. We adhere to merit-based hiring practices, ensuring that all employment decisions are made based on qualifications, skills, and ability to perform the job, without preference or consideration of factors unrelated to job performance.

As an Equal Opportunity Employer, Aretum complies with all applicable federal, state, and local employment laws.

We are proud to support our nation’s veterans and military families, providing career opportunities that honor their service and experience.

If you require reasonable accommodation during the hiring process due to a disability, please contact [e-mail] for assistance.

Equal Opportunity Employer/Veterans/Disabled

U.S. Work Authorization

Applicants must be U.S. citizens or currently authorized to work in the United States on a full-time basis. This position supports a federal government contract and requires the ability to obtain and maintain a Public Trust or Suitability Determination, depending on the agency’s background investigation requirements. Sponsorship is not available.

Benefits

• Salary Range: $120,000–$150,000 annually. Final compensation will be determined based on factors including education, experience, qualifications, skills, and applicable contract requirements.
• Health Care Plan (Medical, Dental & Vision)
• Retirement Plan (401k)
• Life Insurance (Basic, Voluntary & AD&D)
• Paid Time Off
• Family Leave (Maternity, Paternity)
• Short Term & Long-Term Disability
• Training & Development

ARETUM is an equal opportunity employer, committed to diversity and inclusion. All qualified candidates will receive equal consideration for employment without regard to disability, race, color, religious creed, national origin, sexual orientation/gender identity, or age.

ARETUM utilizes e-Verify to check employment authorization.

EEO/AA/F/M/Vet/Disabled.

Equal employment opportunity, including veterans and individuals with disabilities.

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