Software Engineer - Junior, Mid, Senior (.NET / Angular)
Confidential Client is seeking Software Engineers at various experience levels to develop secure, modern enterprise software primarily using .NET and Angular technologies. The role involves designing, developing, testing, and maintaining backend services, REST APIs, and frontend components within a distributed, event-driven architecture. Senior engineers additionally provide technical leadership, mentorship, and own complex application features while collaborating in an Agile environment on-site in the Washington, D.C. metro area.
About Careertakes
👉 Important disclosure: Careertakes is a third-party recruiting platform supporting this hiring process. If selected, you will be employed directly by our client, Software Development.
Applicants for this role may also receive access to additional matched opportunities through the Careertakes platform.
What You’ll Do
Confidential Client is hiring Software Engineers across Junior, Mid, and Senior levels to design, build, and maintain secure enterprise software for a mission-focused program. Engineers on this team work primarily on backend services and APIs, with opportunities to contribute to frontend Angular components and full-featured, distributed applications.
- Design, develop, test, and maintain backend services and REST APIs using modern .NET and ASP.NET Core.
- Implement persistence layers and data access using Entity Framework / EF Core and PostgreSQL.
- Build frontend components using Angular and TypeScript as needed.
- Implement asynchronous and event-driven features using RabbitMQ and related patterns.
- Write automated unit and integration tests and participate in continuous integration / delivery (CI/CD).
- Troubleshoot defects and performance issues; perform code reviews and collaborate on design.
- Participate in Agile ceremonies (planning, refinement, sprints, retrospectives).
- Document interfaces, technical decisions, and implementation details.
- Contribute to improving engineering practices, architecture, and reusable platform capabilities.
More experienced engineers will own larger features, lead design for components, identify cross-component risks, and mentor junior team members.
Technical Environment & Tools
- Backend: C#, .NET 8+, ASP.NET Core
- Data: PostgreSQL, Entity Framework / EF Core, SQL
- Frontend: Angular, TypeScript, HTML/CSS
- Integration: REST APIs, JSON; RabbitMQ for messaging/event patterns
- Architecture: Modular services, microservices and distributed systems patterns
- Cloud & DevOps: Microsoft Azure / Azure Government, Docker, Git, Azure DevOps, CI/CD
- Process & QA: Agile/Scrum, Jira, Confluence; automated testing and diagnostics
- Security: Secure coding practices, RBAC, CUI/IL4 controls
Who We’re Looking For (By Level)
Junior Software Engineer (0–3 years)
- Strong software fundamentals and object-oriented programming skills.
- Experience with C# or another strongly typed language.
- Familiarity with relational databases and SQL, web apps, HTTP/APIs.
- Exposure to JavaScript/TypeScript and Git.
- Demonstrated problem-solving and eagerness to learn (internship, academic, open-source, or personal projects count).
Mid-Level Software Engineer (typically 3+ years)
- Strong professional experience with C# and modern .NET / ASP.NET Core.
- Ability to independently deliver production-ready APIs and backend features.
- Experience with EF Core (or comparable ORM), SQL, automated testing.
- Working experience with JavaScript/TypeScript and web applications.
- Backend depth is more important than full-stack parity.
Senior Software Engineer (typically 7+ years)
- Advanced C# and .NET experience; strong enterprise backend and REST API skills.
- Deep relational-data and ORM expertise; experience with distributed/microservice architectures.
- Experience with asynchronous messaging/event-driven systems (RabbitMQ).
- Demonstrated ability to own complex features, perform deep code reviews, and mentor others.
- Micro-frontend experience is a plus.
Requirements & Program Details
- Must be available to satisfy onsite work requirements in the Washington, D.C. metro area.
- U.S. Citizenship is required.
- Applicable security-clearance requirements apply based on the position and program labor category.
Compensation & Benefits
- Salary range: $80,000 – $160,000 per year (depending on level, experience, and role).
- Benefits include paid time off, 10 paid holidays, medical/dental/vision insurance, company-paid life and disability insurance, tuition reimbursement, 401(k) with company contribution, and continuing education opportunities.
Why Apply via Careertakes
As a third-party recruiting partner, Careertakes sources qualified candidates and provides optional access to other matched roles. We follow best practices used by third-party recruiters: clear role expectations, transparent requirements, and guidance on how to present relevant experience for junior, mid, and senior levels.
Equal Opportunity & Hiring Transparency
Careertakes and our client are Equal Opportunity Employers committed to building a diverse and inclusive workforce. We prohibit discrimination or harassment of any kind. To support a fair and efficient hiring process, AI tools may be used to assist with application review or resume screening. These tools do not replace human decision-making. Final hiring decisions are made by people.
If you have questions about how your data is used, please contact us directly.
Negotiate a higher salary! Check the salary ranges for this job type in your area.
View My Salary Range