Senior Software Engineer

Be yourself at Protolabs. Studies 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. Join our team as a Senior Software Engineer! This is a fixed hybrid role on-site Tuesday, Wednesday, Thursday at HQ in Maple Plain, MN. The Pricing Team at Protolabs is responsible for building and maintaining the intelligence that powers how we quote custom-manufactured parts. We operate at the intersection of a complex two-sided marketplace: when a customer uploads a CAD file, they receive an instant quote, even before we know which Manufacturing Partner will produce the part or at what cost. We are looking for a Senior Software Engineer who will design, develop, and maintain the systems that enable accurate, scalable, and reliable pricing across our product portfolio. In this role, you will own complex backend services at the intersection of business logic, data engineering, and platform reliability, directly impacting revenue outcomes and customer experience. You will also mentor other engineers, help shape architectural decisions, and work closely with Product and Data teams. Responsibilities Design and develop scalable, high-performance backend services for pricing, including rate engines, discounting logic, and billing integrations Own the end-to-end software development lifecycle, including design, implementation, code reviews, testing, deployment, and ongoing monitoring of pricing systems Partner with Product Managers, Finance, Sales, and Data teams to translate complex pricing strategies and business requirements into robust, maintainable solutions Lead and influence architectural decisions while continuously strengthening the platform’s technical foundation Establish and uphold engineering best practices, including code quality, testing approaches, and performance standards Mentor and support mid-level and junior engineers, fostering growth and technical excellence within the team Troubleshoot and resolve production issues, conduct root cause analysis, and implement long-term preventive solutions Monitor system performance proactively, optimise query efficiency, and ensure pricing APIs consistently meet SLA targets Enhance CI/CD pipelines, deployment workflows, and infrastructure-as-code practices to improve development efficiency and reliability Work closely with stakeholders to ensure pricing systems remain compliant with relevant regulatory and business requirements Qualifications Bachelor’s degree in Computer Science, Software Engineering, Mathematics, or a related field (or equivalent practical experience) 7+ years of professional software engineering experience, with a strong focus on backend systems 2+ years of hands‑on experience working with pricing, billing, payments, or financial systems in a production environment Proven track record of leading technical projects and mentoring other engineers Proficiency in Python and/or C# for designing, building, testing, and monitoring production-grade systems Strong experience with relational databases (such as PostgreSQL or MySQL), including schema design, query optimization, and indexing strategies Experience designing and developing RESTful and/or gRPC APIs for internal and external consumption Solid understanding of distributed systems concepts, including eventual consistency, idempotency, retry strategies, and event-driven architectures Benefits 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 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! Additional Information 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. #J-18808-Ljbffr