Sr. Software Engineer

Senior Software Engineer (.NET / Azure / Angular)

Location: Oakbrook Terrace, IL (Hybrid - Onsite Mondays & Tuesdays)- MUST CURRENTLY RESIDE IN IL

No C2C, third-party vendors, or sponsorship available.

About the Role

We''''re looking for a Senior Software Engineer with a strong foundation in C#/.NET or Java development who has evolved into modern .NET and Azure technologies. This role is ideal for someone who enjoys building modern web applications, with a strong emphasis on front-end development using Angular while remaining full-stack capable.

You''''ll serve as a technical leader, partnering with architects, business stakeholders, and fellow developers to design, build, and deliver enterprise-level applications. This position offers the opportunity to mentor junior developers, lead projects, and influence technology decisions in a collaborative Agile environment.

What You''''ll Do

• Design, develop, test, and deploy enterprise applications throughout the full Software Development Life Cycle (SDLC)
• Build modern, responsive web applications using Angular, C#, .NET, and Azure
• Develop and maintain RESTful APIs and backend services
• Collaborate with business users to gather requirements and translate them into technical solutions
• Lead technical initiatives and mentor other developers
• Participate in architecture discussions, code reviews, and technology planning
• Troubleshoot and resolve production issues while ensuring high-quality, scalable solutions
• Work closely with cross-functional teams to deliver projects on time
• Help drive adoption of modern development practices and emerging technologies
• Assist with project planning, resource coordination, and technical leadership when needed

Required Qualifications

• Bachelor''''s degree in Computer Science or related field (or equivalent experience)
• 5+ years of software development experience in enterprise, multi-tier applications
• 5+ years of C#/.NET development
• Strong experience building modern web applications using:
• HTML5
• CSS3
• JavaScript
• jQuery
• 2+ years of Angular (Angular 2+ preferred) or comparable JavaScript frameworks
• 5+ years working with Microsoft SQL Server or another relational database
• 3+ years developing REST APIs
• 3+ years using Entity Framework
• Experience with:
• Azure DevOps
• Git or TFVC
• Visual Studio
• Agile/Scrum development
• Solid understanding of:
• Object-Oriented Programming (OOP)
• SOLID design principles
• Service-Oriented Architecture (SOA)
• Previous experience leading projects or serving as a technical lead
• Excellent communication and collaboration skills

Preferred Qualifications

• Experience developing applications in Microsoft Azure (preferred) or AWS
• Experience with Azure DevOps CI/CD pipelines
• Telerik Kendo UI experience
• Mobile development using Xamarin or NativeScript
• Windows UWP development
• Exposure to AI, Machine Learning, IoT, or other emerging technologies

Why This Role?

• Hybrid schedule (2 days onsite)
• Opportunity to lead enterprise application development
• Modern Microsoft technology stack
• High-impact role with technical leadership responsibilities
• Collaborative engineering culture with opportunities to mentor and influence architecture

Technology Stack

• C#
• .NET
• ASP.NET
• Angular
• Azure
• REST APIs
• SQL Server
• Entity Framework
• JavaScript
• HTML5
• CSS3
• Git
• Azure DevOps
• Visual Studio
• Agile/Scrum