Job Title: Principal Software Engineer / Lead (.NET) Job ID: 26-04260 Location: Windsor, CT Duration: 09 months ON W2 contract
Description:
Job Summary
Seeking a Principal Software Engineer / Lead (.NET) to provide technical leadership across multiple engineering teams. This role will drive architecture, modernization, cloud adoption, and engineering best practices while remaining hands-on with critical technical solutions.
Key Responsibilities
Define architecture, technical standards, and long-term technology roadmaps.
Lead enterprise application modernization and migration from legacy .NET to modern platforms.
Design scalable, secure, and resilient distributed systems.
Provide hands-on expertise in C#, .NET 8, ASP.NET Core, Web API, and Entity Framework Core.
Drive Azure cloud, microservices, API-first, and event-driven architecture initiatives.
Lead CI/CD, DevOps, automated testing, observability, and engineering quality improvements.
Mentor senior engineers and technical leads across multiple teams.
Collaborate with Product, Security, Infrastructure, Data, and business stakeholders.
Required Qualifications
Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent experience.
15+ years of software engineering experience.
Strong expertise in C#, ASP.NET, ASP.NET Core, and modern .NET.
Enterprise-scale distributed systems and software architecture experience.
Production experience with Microsoft Azure preferred.
Experience with SQL Server, APIs, microservices, CI/CD, Docker/Kubernetes, and cloud technologies.
Strong leadership, communication, problem-solving, and stakeholder management skills.
Preferred
Azure certifications such as Azure Solutions Architect Expert or Azure DevOps Engineer Expert.
Experience with event-driven architecture, messaging platforms, SRE, and cloud migration.
Experience in regulated industries such as insurance or financial services.
Experience with AI/GenAI integration in enterprise applications.
Sunrise Systems was founded in 1990 with a clear vision to deliver world-class staffing service solutions in all labor categories, including IT consulting and solutions; all with the commitment to provide service that exceeds expectations and become the most trusted name in the industry. More than two and a half decades later, we pride ourselves on being at the forefront of the staffing industry. Combining our deep industry expertise, insights, and global resources, we have partnered with our clients to connect them with top professionals across several different industries.
We provide cost-effective Managed Staffing Solutions, Information Technology and Information Technology Consulting Services to several Fortune 500 companies and U.S. Government agencies. We provide our clients with flexible engagement models and customized products that are budget and time specific. Understanding the challenges that every business faces, we offer our services either on-site at the clients' site or from one of our globally distributed technology centers. Our onshore and offshore development capabilities ensure that we excel at meeting customer requirements every single time.
Our collective business experience spans over two and a half decades and ranges from:
Business, management, and technical fields
Information technology consulting and software solutions.
Providing strategic support for the development and long-term growth of new business ventures across several industries including but not limited to; accounting, banking, finance, and recruitment.
Motivating technology staff and establishing partnerships with Fortune 500 companies
Sunrise Systems has a vast range of competence in:
Design, development, and support of cloud-based solutions from simple to highly complexed
Database administration of multi-platform applications, complex databases, and web-based environments that include all aspects of installation, planning, maintenance, and monitoring.
Data processing and data migration
Application re-engineering and platform migration
Working with the Information Systems and end-user communities at all levels to resolve issues and establish consensus.
Skills
ADO.NET Entity Frameworkunmatched
Application Programming Interface (API)unmatched
Artificial Intelligence (AI)unmatched
Best Practicesunmatched
Cloud Computingunmatched
Communication Skillsunmatched
Computer Scienceunmatched
Continuous Deployment/Deliveryunmatched
Continuous Integrationunmatched
DevOpsunmatched
Distributed Computingunmatched
Dockerunmatched
Engineeringunmatched
Enterprise Application Integration (EAI)unmatched
Enterprise Applicationsunmatched
Financial Servicesunmatched
Insuranceunmatched
Leadershipunmatched
Mentoringunmatched
Microservicesunmatched
Microsoft .NETunmatched
Microsoft ASP.NET (Active Server Page)unmatched
Microsoft C# (C Sharp)unmatched
Microsoft SQL Serverunmatched
Microsoft Windows Azureunmatched
Problem Solving Skillsunmatched
Security Infrastructureunmatched
Software Architectureunmatched
Software Engineeringunmatched
Team Lead/Managerunmatched
Technical Leadershipunmatched
Test Automationunmatched
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