Software Engineer

About the role

The most security-conscious organizations trust Telos Corporation to protect their vital IT assets. The reputation of our company rests on the quality of our solutions and the integrity of our people. Explore what you can bring to our solutions in the areas of cyber, cloud and enterprise security. Be a part of the Telos culture and see what sets us apart! This position will be based at Ashburn Headquarters.

Responsibilities

• Design, implement, test, and support production software using TypeScript, Angular, C#, .NET 8, ASP.NET Core, and Entity Framework Core.
• Develop features for the Angular 21 web portal, including PrimeNG component development, multi-tenant enrollment workflows, biometric capture integration, and SQL-based reporting.
• Build and maintain .NET microservices handling authentication, enrollment, case management, fingerprint processing, payment, notifications, and orchestration.
• Write unit and integration tests alongside feature development using Karma/Jasmine, Playwright, xUnit, FluentAssertions, and Testcontainers.
• Contribute to GitLab CI/CD pipelines, Docker multi-stage builds, container security scanning (Snyk, Trivy), and release workflows across multiple environments (dev, staging, preprod, production).
• Support application deployments running on AWS GovCloud including ECS (Fargate), ECR, S3, RDS (SQL Server/MySQL), SQS/SNS, SSM Parameter Store, and KMS.
• Work with MassTransit event-driven messaging, Hangfire background job processing, and Ocelot API gateway routing.
• Diagnose production issues across application, device, network, and infrastructure boundaries.
• Work with product, operations, security, QA, government-program stakeholders, and external hardware vendors.
• Participate in code reviews and contribute to engineering standards.
• Document features, integration behavior, operational procedures, and architectural decisions.

Requirements

• Bachelor's or equivalent with 7+ years of professional software engineering experience with a track record of delivering production software.
• Strong TypeScript and JavaScript experience, including experience with Angular (or comparable SPA framework) and reactive patterns.
• Experience with C#, .NET, and ASP.NET Core for building REST APIs and microservices.
• Experience with relational databases and ORMs (Entity Framework Core, MySQL, or SQL Server).
• Experience with AWS services (ECS, ECR, S3, SQS/SNS, Lambda, SSM Parameter Store) and containerization (Docker).
• Experience with automated testing, CI/CD, and production releases.
• Understanding of