Senior Software Engineer
First seen by Alion on Sep 28, 2026.
About the Role:
We are looking for a highly skilled Senior Software Engineer - .NET Full Stack with strong backend engineering expertise and hands-on experience building scalable enterprise applications.
Key Responsibilities:
Backend Engineering & API Development:
- Design and develop scalable backend systems using .NET Core / ASP.NET Core
- Build robust REST APIs and microservices architectures
- Implement secure, maintainable, and high-performance applications
- Optimize database queries and application performance
- Collaborate on frontend implementation using React.js or Angular
- Integrate frontend applications with backend APIs
- Work across the full software development lifecycle
Architecture & Engineering Practices:
- Apply appropriate design patterns and architectural principles
- Contribute to system design discussions and technical decision-making
- Follow clean code practices, SOLID principles, and code quality standards
- Participate in peer reviews and enforce engineering best practices
Cloud & Distributed Systems:
- Work with cloud platforms such as AWS or Azure
- Implement scalable distributed systems using microservices, messaging/queue systems, and caching strategies
- Contribute to CI/CD and deployment workflows
Team Collaboration & Mentorship:
- Mentor junior engineers and support their technical growth
- Collaborate with cross-functional teams including QA, DevOps, Product, and Design
- Participate in sprint planning, estimations, and agile ceremonies
- Participate in client discussions, demos, and technical clarifications
- Communicate technical solutions effectively with stakeholders
- Provide ownership and accountability during delivery cycles
Required Skills & Qualifications:
- 5+ years of professional experience in software development
- Strong expertise in C# and advanced .NET concepts
- .NET Core / ASP.NET Core
- Web API development
- Entity Framework Core and/or Dapper
- Strong experience with PostgreSQL and/or SQL Server
- Database design and query optimization
Skills
.Net, Full Stack, .Net Core, ASP, REST API, Microservices Architecture, Entity Framework, PostgreSQL