[Remote] Software Engineer Sr
Note: The job is a remote job and is open to candidates in USA. Telos Corporation provides cybersecurity, cloud, and enterprise security solutions to security-conscious government and enterprise organizations. The Senior Software Engineer will design, develop, test, and operate a full-stack background check and identity verification platform spanning Angular web applications, .NET microservices, and AWS GovCloud infrastructure. The role involves contributing across product workflows, integrations, CI/CD, production support, and platform architecture.
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
Skills
- 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 event-driven architecture and message brokers (SQS, SNS, or comparable)
- Ability to understand complex business workflows and become a technical contributor across a platform
- Strong written and verbal communication skills
- Ability to work in a security-sensitive, regulated, or government-program environment
- Willingness to obtain a U.S. government security clearance (background check required)
- Angular 21, PrimeNG, Angular Material, SCSS, RxJS, ngx-permissions
- .NET 8, Entity Framework Core, Pomelo EF MySQL, Dapper, MassTransit, Hangfire, Ocelot
- AWS GovCloud (us-gov-west-1 / us-gov-east-1), ECS Fargate, CloudFormation, Pulumi, IAM, KMS
- NIST 800-53 Rev 5 compliance, OIDC/OAuth 2.0, JWT authentication, FIDO2/Passkeys
- Experience with biometric capture, fingerprint processing, document scanning, or identity verification hardware integrations
- Experience with Twilio (SMS), Pay.gov (payment processing), Amazon SES (email), or ClamAV (antivirus scanning)
- GitLab CI/CD, Snyk, Trivy, LocalStack for local development
- Experience with xUnit, Moq, Testcontainers, Playwright, or Karma/Jasmine
- Experience with multi-tenant SaaS architecture, RBAC, or feature toggle patterns
- Experience with observability tooling (CloudWatch, NLog, Container Insights)
Benefits
- Generous paid time off
- Medical insurance
- Dental insurance
- Vision insurance
- Tuition reimbursement
- 401k
- Hybrid or remote work arrangement
Company Overview