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
Leverage AI tools for software development such as Cursor, Claude, or Copilot
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 both functional and technical areas
Work from established system designs and specifications using standard development tools, procedures, and best practices
Collaborate effectively with architects, engineers, product partners, and cross-functional teams
Provide technical input and support 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 with relevant technologies, frameworks, and industry best practices
Participate in a 24x7 on-call rotation to support global software systems
Perform other duties as assigned
A degree in Computer Science, Software Engineering, or a related field
5+ years of professional software development experience or equivalent demonstrated capability
Proficiency in C#, Visual Studio, MS SQL, HTML, and JavaScript
Experience with .NET development
Experience developing, maintaining, and supporting production software systems
Familiarity with multiple .NET patterns and platform technologies such as client/server, ASP.NET, web services, WCF endpoints, SOA, or MVC
Experience using version control systems in a team environment
Strong communication skills and a solid work ethic
Good 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 while collaborating effectively within a team
Proven ability to stay current with technology best practices
We offer a competitive salary and annual bonus opportunity
In addition, we offer amazing benefits including but not limited to:
Health Insurance: Traditional OR High Deductible plan
Flexible Spending Accounts
Health Savings Account (including employer contributions)
Dental and Vision
Basic and Supplemental Life Insurance
Short-Term and Long-Term Disability
Paid caregiver leave
You will receive at least 3 weeks of PTO + Holiday Pay + Wellness Hours + Volunteer Hours
401k with company match and immediate vest
Employee Stock Purchase Program at a 15% discounted rate
Matching grants through Protolabs foundation
And More!
Proto Labs maintains ITAR-compliant operations in all of our United States based facilities. Due to ITAR regulations, this role is only open to U.S. Citizens, lawful permanent residents (green card holders) or foreign nationals granted refugee or asylee status. Individuals with temporary visas (e.g. E, F-1, H-1, H-2, L, B, J, TN or OPT) are not eligible for hire in this role.
Proto Labs, Inc. is an Equal Opportunity Employer
Physical Demands:
While performing the essential duties of this job, the employee is regularly required to sit; use a computer keyboard, monitor and mouse, telephone and printer; reach with hands, and arms, talk, see and hear. The employee is occasionally required to stand, walk, stoop or kneel and must occasionally lift and/or move up to 25 pounds.
Work Environment:
Indoors (A/C); nonsmoking; the majority of this job function is performed in an office setting requiring normal safety precautions. However, there may be job duties that require the employee to spend time in the manufacturing areas exposed to machinery and noise; eye protection occasionally required. Occasionally works in outside weather conditions. Occasionally works near moving mechanical parts and in high, precarious places and is occasionally exposed to wet and/or humid conditions, fumes or airborne particles, toxic or caustic chemicals, risk of electrical shock and vibration. The noise level in the work environment is usually quiet to moderate.