Lead Full Stack Developer

Lead Full Stack Developer

Cold Spring – Cold Spring, MN

* ONSITE Requirement

• Do you take pride in architecting scalable solutions and leading teams to deliver high-impact applications?
• Are you passionate about working across the stack—from crafting intuitive front-end experiences to optimising back-end performance?
• Ready to mentor developers and drive best practices that shape the future of our technology?

A family‑owned business since 1898, Cold Spring is a leading quarrier and fabricator of natural stone and bronze for architectural, memorial, residential, and industrial markets. Headquartered in Cold Spring, Minnesota, with a primary manufacturing facility and bronze foundry, the company employs 800 people nationwide, operating 30 quarries and multiple fabrication sites. Cold Spring’s success stems from the dedication of its team, a commitment to innovation, and a focus on meeting and exceeding customer expectations while upholding corporate sustainability.

We’re looking for a highly experienced and dedicated Lead Full Stack Developer to take ownership of a custom suite of software developed in house. This is a critical dual‑role position, requiring an accomplished technologist who is also a proven people manager. You will lead a small, focused team of developers and a QA specialist, driving development across the full Microsoft stack and modern web technologies.

This requires a balance of hands‑on coding, architectural oversight, and direct management responsibility for team performance and growth.

Starting salary: $95 K+ with comprehensive benefit package

Regular onsite requirement

• Minimum 10+ years of professional software development experience
• Minimum 5+ years of direct experience managing and mentoring software development teams
• While we have set high standards for this role, we recognize that great talent comes in many forms. We encourage exceptional candidates with 8+ years of total development experience and proven informal leadership who may not meet the full 5‑year people‑management requirement to apply for the title of Senior Full Stack Developer, with a clear, performance‑based path to the Lead role
• Exceptional proficiency in Microsoft C# development stack, including ASP.NET (MVC and API), Entity Framework, and TSQL
• Expertise in modern front‑end development using Angular, Type Script, JavaScript (ES6+), and advanced HTML/CSS
• Proven track record of managing project deadline and driving technical standards for a team
• Deep understanding of object‑oriented design, N‑tier architecture, and enterprise application integration patterns
• Experience with integrating with or developing applications that tie into large ERP systems (familiarity with JDE is a plus)

• Serve as the technical authority and primary hands‑on developer, contributing to all layers of the application and setting a high standard for code quality
• Lead the design and implementation of responsive user interfaces using Angular, Type Script, JavaScript, and HTML
• Navigate and develop complex server‑side logic in C#, including API endpoints and traditional MVC controllers attached to views
• Develop and maintain the C# Business Logic Layer (BLL) and the Data Access Layer (DAL), utilizing Entity Framework as the ORM
• Expertly manage and optimise data interactions within our Microsoft TSQL environment across various SQL databases
• Collaborate on and contribute to the development of application features that include graphical aspects, utilizing web technologies such as Canvas
• Develop and maintain C# middleware and backend services responsible for integrating application data with our ERP system and JD Edwards
• Define the technical vision, architectural standards, and enforce development best practices across the team
• Directly manage a team of developers and the QA specialist, including being responsible for performance reviews, discipline, hiring, and career growth
• Be directly responsible for project deadlines and ensuring the activities of the development team align with business priorities
• Lead the team’s flexible Agile (Scrum‑ban) process, driving ticket tracking using Jira, facilitating planning, and ensuring smooth workflow
• Serve as the key technical liaison within a larger cross‑functional group, including the Product Owner and Marketing team, translating business needs into technical requirements
• Ensure the team effectively utilizes Visual Studio, VS Code, and Git for development and revision control

Cold Spring is an affirmative action employer, including Veterans and Individuals with Disabilities.