Senior Software Engineer

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.What you'll do:Design and develop scalable, high-performance backend services for pricing, including rate engines, discounting logic, and billing integrationsOwn the end-to-end software development lifecycle, including design, implementation, code reviews, testing, deployment, and ongoing monitoring of pricing systemsPartner with Product Managers, Finance, Sales, and Data teams to translate complex pricing strategies and business requirements into robust, maintainable solutionsLead and influence architectural decisions while continuously strengthening the platform's technical foundationEstablish and uphold engineering best practices, including code quality, testing approaches, and performance standardsMentor and support mid-level and junior engineers, fostering growth and technical excellence within the teamTroubleshoot and resolve production issues, conduct root cause analysis, and implement long-term preventive solutionsMonitor system performance proactively, optimize query efficiency, and ensure pricing APIs consistently meet SLA targetsEnhance CI/CD pipelines, deployment workflows, and infrastructure-as-code practices to improve development efficiency and reliabilityWork closely with stakeholders to ensure pricing systems remain compliant with relevant regulatory and business requirementsWhat it takes: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 systems2+ years of hands-on experience working with pricing, billing, payments, or financial systems in a production environmentProven track record of leading technical projects and mentoring other engineersProficiency in Python and/or C# for designing, building, testing, and monitoring production-grade systemsStrong experience with relational databases (such as PostgreSQL or MySQL), including schema design, query optimization, and indexing strategiesExperience designing and developing RESTful and/or gRPC APIs for internal and external consumptionSolid understanding of distributed systems concepts, including eventual consistency, idempotency, retry strategies, and event-driven architecturesWhy Protolabs?We offer a competitive salary and annual bonus opportunityIn addition, we offer amazing benefits including but not limited to:Health Insurance: Traditional OR High Deductible planFlexible Spending AccountsHealth Savings Account (including employer contributions)Dental and VisionBasic and Supplemental Life InsuranceShort-Term and Long-Term DisabilityPaid caregiver leaveYou will receive PTO + Holiday Pay + Wellness Hours + Volunteer Hours401k with company match and immediate vestEmployee Stock Purchase Program at a 15% discounted rateMatching grants through Protolabs foundationAnd More!$107,400 - $161,000 a year Protolabs offers a competitive total rewards package, and compensation mix vary based on position, such as base wage, as well as other earnings including incentives and commissions. Actual pay offered will vary depending on multiple factors which may include, without limitation, job function, work experience, specialized skills, training, education, and certifications.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 EmployerPhysical 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.