Senior .NET Developer

LCI-Lawinger Consulting•St. Paul, MN

1d•Hybrid

About The Position

This is a contract opportunity for a Senior .NET Developer. The role involves designing, developing, testing, and deploying enterprise-grade applications and services using the Microsoft .NET technology stack. The developer will focus on cloud-native solutions leveraging Azure, architecting scalable applications using modern design principles, and optimizing database interactions. Key responsibilities include leading code reviews, mentoring junior developers, collaborating with stakeholders, integrating applications, and driving improvements in performance and reliability. The position also requires designing and maintaining CI/CD pipelines, troubleshooting complex issues, championing secure development practices, and participating in Agile ceremonies. The role will influence architectural direction and involve developing technical documentation.

Requirements

Bachelor's degree in Computer Science, Information Technology, or a related field, or an equivalent combination of education and professional experience.
Minimum of ten (10) years of professional software development experience, including at least five (5) years developing applications using .NET and Microsoft technologies.
Seven (7) years of combined experience developing front-end solutions using HTML5, CSS3, and JavaScript.
Seven (7) years of combined experience working with one or more modern UI frameworks, including Angular, React, or Blazor.
Three (3) years of hands-on experience developing, deploying, and supporting applications within the Microsoft Azure cloud environment.
Three (3) years of experience implementing and maintaining CI/CD pipelines and automated deployment processes.
C#
.NET / .NET Framework
ASP.NET Core
Azure App Services and Azure Functions
HTML5, CSS3, JavaScript
Angular, React, and/or Blazor
SQL Server and/or Azure SQL
Entity Framework
Git and source control management
CI/CD tools and deployment automation
Agile development methodologies

Nice To Haves

Demonstrated experience partnering with business and technical stakeholders to convert functional requirements into scalable technical designs.
Experience working effectively within cross-functional teams in hybrid office and remote environments.
Strong expertise in SQL Server, Azure SQL, Entity Framework, query optimization, and performance tuning.
Hands-on experience designing and implementing RESTful APIs, microservices, and distributed systems.
Experience with Azure monitoring and observability tools, including Azure Application Insights and performance monitoring solutions.
Seven (7) years of experience developing and maintaining automated unit tests and supporting quality engineering practices.
Three (3) years of experience in database design, development, and optimization using SQL Server or Azure SQL.
Excellent verbal and written communication skills, with proven leadership and mentoring capabilities.
Demonstrated ability to manage multiple priorities and deliver results within large-scale enterprise initiatives.
Clean Architecture
Domain-Driven Design (DDD)
REST APIs
Microservices
Distributed systems
Azure Application Insights
Caching technologies and performance optimization tools
Automated testing frameworks

Responsibilities

Design, develop, test, and deploy enterprise-grade applications and services using the Microsoft .NET technology stack.
Develop and maintain cloud-native solutions leveraging Azure App Services, Azure Functions, Azure SQL, and related platform services.
Architect and implement scalable, maintainable solutions using Clean Architecture, Domain-Driven Design (DDD), and established design patterns.
Design and optimize applications utilizing relational databases, caching strategies, and large-scale data management practices.
Lead code reviews, establish development standards, promote best practices, and mentor junior and mid-level developers.
Collaborate with solution architects, business analysts, product owners, developers, and other stakeholders to gather requirements and translate business needs into technical solutions.
Integrate applications with third-party APIs, enterprise systems, databases, and cloud-based services.
Drive improvements in application performance, scalability, reliability, and maintainability across development, testing, and production environments.
Design, implement, and maintain CI/CD pipelines and automated deployment processes to support efficient software delivery.
Troubleshoot, diagnose, and resolve complex development and production issues while ensuring minimal disruption to business operations.
Champion secure development practices and ensure compliance with organizational security and regulatory standards.
Participate actively in Agile ceremonies and contribute to continuous improvement initiatives within the development team.
Influence architectural direction, technology selection, and long-term technical strategy for enterprise applications.
Develop and maintain technical documentation and provide knowledge transfer to internal teams and support personnel.