Software Engineer

Arlington, TX - USA

Monthly Salary: Not Disclosed

Posted on: 10 hours ago

Vacancies: 1 Vacancy

Job Summary

Software Engineer

General Information

Requisition #678

Locations USA-VA-Arlington

Posting Date 03/17/2026

Security Clearance Required - Public Trust

Remote Type Hybrid

Time Type Full time

Description & Requirements

Elder Research Inc. a wholly owned subsidiary of MANTECH international Corporation seeks a motivated career and customer-oriented Software Engineer to join our team in Arlington VA. This position is hybrid with 1-4 days a month on site.

We are looking for a skilled Mid-Level Software Engineer to join our engineering this role you will translate front-end designs from our design team into polished production-quality applications built and C#. You will also be responsible for integrating backend services hosted on Azure and connecting to LLM APIs to deliver intelligent data-driven features.

This is a predominantly hands-on development role. You will spend the majority of your time writing reviewing and shipping code with meaningful exposure to cloud infrastructure and AI tooling.

Responsibilities include but are not limited to:

Implement UI designs and front-end specifications delivered by the design team and C#
Build and maintain backend integrations with Azure services (Azure Functions Service Bus Blob Storage SQL etc.)
Integrate with LLM APIs to enable AI-powered product features
Write clean testable and well-documented code following team standards
Participate in code reviews and contribute to improving engineering practices
Maintain and improve CI/CD pipelines to support reliable automated deployments
Collaborate with product design and QA to ensure high-quality delivery
Troubleshoot and resolve issues in development and production environments

Minimum Qualifications:

Bachelors degree in Computer Science Information Systems or related field or equivalent practical experience.
3 years of professional software development experience with strong proficiency in C# (Core / 6) including implementing responsive UIs from design specifications and wireframes and collaborating with designers using HTML CSS and basic JavaScript.
Hands-on experience with Microsoft Azure including at least two of: Azure Functions App Service Blob Storage Service Bus Cosmos DB or Azure SQL.
Must be a US Citizen and be able to obtain and maintain a Public Trust clearance prior to starting this position.
Comfortable reading and writing infrastructure configuration using ARM templates Bicep or equivalent.
Experience building and maintaining CI/CD pipelines using Azure DevOps GitHub Actions or equivalent.
Familiarity with source control workflows including Git branching strategies and pull request processes.
Working knowledge of Python for scripting automation or data processing tasks.
Experience integrating LLM APIs such as OpenAI Anthropic Azure OpenAI or similar into production applications.
Understanding of prompt construction token management and handling streaming/async LLM responses.
Ability to evaluate and switch between LLM providers as requirements evolve.

Preferred Qualifications:

Experience with Blazor or -based front-end frameworks
Familiarity with Azure AD / Entra ID for authentication and authorization
Exposure to RAG architectures or vector databases
Experience with containerization (Docker Azure Container Apps or AKS)
Background in accessibility standards and implementation (WCAG 2.1)

Clearance Requirements:

Must be a US Citizen and be able to obtain and maintain a Public Trust clearance prior to starting this position.

About Elder Research Inc - People Centered. Data Driven

Elder Research considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal state or local law or regulation.

If you need a reasonable accommodation to apply for a position with Elder Research please email us at and provide your name and contact information.

Required Experience:

Software EngineerGeneral InformationRequisition #678Locations USA-VA-Arlington Posting Date 03/17/2026Security Clearance Required - Public TrustRemote Type HybridTime Type Full time Description & Requirements Elder Research Inc. a wholly owned subsidiary of MANTECH international Corporation seeks a ...