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 team. In this role, you will translate front-end designs from our design team into polished, production-quality applications built in .NET 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 using .NET 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:

• Bachelor's 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# and .NET (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 other .NET-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 careers@elderresearch.com and provide your name and contact information.

Equal Opportunity Employer, including disability/protected veterans