Be yourself at ProtolabsStudies have shown that women and people of color are less likely to apply to jobs unless they meet every single qualification. We are an equal opportunity employer, and we are committed to building a diverse team that feels they are valued in the workplace. So do you feel you do not meet every single requirement but still intrigued? We encourage you to still apply! You can help make our company even better. We do not discriminate based on race, color, national origin, sexual orientation, gender, age, mental or physical ability, or any way you represent yourself. We strongly believe diversity makes for more successful teams. Why Protolabs?We are the leaders in digital manufacturing. We hire doers, makers, and creative thinkers who tackle our roles with an entrepreneurial spirit. Our culture is centered around meaningful work that brings new and innovative products to market at unprecedented speeds. We are a diverse team that comes from all walks of life and take pride in our team who is smart, genuine, humble, and passionate about what we do. It’s our people who fuel our creativity and make our culture feel like home.
Join our team as a Senior Software Engineer Engineer!
This is a fixed hybrid role on-site Tuesday, Wednesday, Thursday in Nashua NH
We are seeking a highly skilled Senior .NET Software Engineer to join our Global Technology Services (GTS) Software Development team. In this role, you will be responsible for designing, developing, and maintaining scalable applications that support a diverse range of users across the organization. You will collaborate closely with cross-functional teams to deliver high-quality, innovative solutions that align with business needs.
Design, develop, and maintain software applications used across Protolabs’ digital manufacturing and commerce platforms
Build and enhance features using .NET Core, C#, web services, and SQL Server
Utilize AI tools for software development such as Cursor, Claude or Co-pilot
Design, implement, debug, and deliver high quality software
Participate in requirements gathering, system design discussions, design reviews, and code reviews
Create and maintain unit tests and automated acceptance tests to ensure software quality and reliability
Debug and resolve production issues across functional and technical areas
Work from established system designs and specifications using standard development tools, procedures, and best practices
Collaborate effectively with architects, other engineers, product partners, and cross functional teams
Provide technical input and assistance to less experienced engineers when appropriate
Communicate development progress, risks, and support needs to team members and management
Follow software engineering best practices and contribute to system resilience, performance, and maintainability
Stay current on relevant technologies, frameworks, and industry best practices
Participate in 24x7 on-call rotation in support of global software systems
Perform other duties as assigned
Education and Experience:
A degree in Computer Science, Software Engineering, or related field
5+ years of professional software development experience (or equivalent demonstrated capability)
Proficient in C#, Visual Studio, MS-SQL, HTML, JavaScript
NET development work experience
Experience developing, maintaining, and supporting production software systems
Experience with multiple .NET patterns and platform technologies like client/server, ASP .NET sites, web services, WCF endpoints, SOA, or MVC
Experience using version control systems in a team environment
Knowledge, Skills, and Abilities
Strong communication skills and work ethic
Solid understanding of core software engineering concepts, design principles, and development practices
Familiarity with Agile/Scrum development methodologies
Demonstrated accountability, positive attitude, and ability to meet commitments
Strong problem-solving, analytical, and debugging skills
Ability to work independently on assigned tasks while collaborating within a team
Demonstrated history of staying current on best practices in technology

We are your single digital manufacturing resource from prototyping to production offering injection molding, CNC machining, 3D printing, and sheet metal fabrication services. Visit us at protolabs.com to learn more about how we can help with your next project.