Senior Software Quality Engineer

Join Our Team as a Senior Software Quality Engineer!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.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.This is a fixed hybrid role on-site Tuesday, Wednesday, Thursday at HQ in Maple Plain, MN.What you'll do:Support and evolve the test strategy for the Pricing domain, covering functional, integration, contract, regression, and non-functional testing such as performance, reliability, and ML quality gating across services and APIsDesign, implement, and maintain automated test suites for APIs, events, integrations, and targeted end-to-end and performance scenarios aligned with the team's architecture, including API and event-driven components and cloud deploymentsOwn and extend continuous testing within GitHub Actions or Azure DevOps CI/CD pipelines, ensuring test execution on PRs, enforcing quality gates, reporting results, managing flaky tests, and integrating with deployment workflows.Validate pricing and ML outputs for correctness, edge cases, and regression, including geometry-driven estimates, probabilistic forecasts, and model-serving behavior where applicablePartner with engineers to improve testability through clear acceptance criteria, observable systems, contract testing between services, and shift-left practices during code reviews. Investigate defects in production and pre-production environments, perform root cause analysis, and drive preventative improvements such as closing automation gaps, increasing coverage, and enhancing processesContribute to release readiness by assessing risks, defining regression scope, providing go or no-go input, and verifying system behavior after release for pricing-critical changesMonitor quality metrics including coverage trends, defect escape rates, pipeline stability, and SLA-related signals, and communicate status clearly to engineering and product leadership while automating post-release monitoringMentor QA engineers and SDETs, promote testing standards, establish coding conventions for tests, and drive shared ownership of quality and testing frameworks across the engineering organization. Participate in on-call or incident support rotations when needed, focusing on reproductions, adding automated regression coverage, and ensuring long-term fixesEnsure the test approach aligns with relevant regulatory, audit, and data handling requirements, especially in the context of commercial pricing systemsWhat you'll bring:Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related field, or equivalent practical experience7+ years of experience in software quality assurance, test automation, or SDET roles in a SaaS or production environmentExperience owning test automation and CI integration for backend or platform teamsProven track record of leading test strategy or automation initiatives across cross-functional productsStrong programming skills for test automation, especially in Python, with C# as a plus, and comfortable working directly in engineering codebases including reviews, fixes, shared libraries, and build pipelinesSolid experience with API and UI testing, along with component integration and service level integration testingHands on experience designing and maintaining GitHub Actions or similar CI pipelines, including parallel jobs, artifacts, secrets management, branch protections, and failure triageGood understanding of databases such as PostgreSQL or MySQL, including writing data setup and assertions, understanding migration impacts, ensuring test isolation, and writing complex SQL queriesExperience working in cloud environments such as AWS, GCP, or Azure, and familiarity with containerized workloads including Docker and basic Kubernetes concepts for test environmentsISTQB certification at foundation or advanced level, or equivalent formal QA training, with practical application of structured test design techniques such as equivalence partitioning, boundary value analysis, risk-based testing, traceability, and quality modelingStrong analytical skills when working in ambiguous domains, with the ability to translate finance, sales, and business rules into clear test cases and automationA strong quality mindset with attention to detail, especially around pricing rules and regression in revenue impacting flowsNice to have:Exposure to ML and MLOps testing, including model validation, A/B or backtesting support, monitoring inference pipelines, and ensuring data qualityExperience with tools such as pytest, Playwright or similar for selective UI and API flows, Postman or Newman, contract testing frameworks, and performance tools like LocustFamiliarity with observability practices including logs, metrics, and traces for test failure diagnosis and production like verificationExperience participating in on-call or incident response within a platform teamExperience with DBT or data testing frameworksWhat's in it for you?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. Protolabs