Senior Full Stack Engineer

As a Senior Full Stack Engineer, you will bring strong .NET backend skills and a passion for modern frontend development to our SmartFlow team in Auckland, home to IDEXX's global Software Centre of Excellence. This is a hybrid role, with a minimum of 3 days a week onsite. The Veterinary Software team is scaling its cloud platforms and strengthening its engineering capability to meet growing complexity and customer demand. You'll join the team behind SmartFlow, our patient workflow solution that helps veterinary teams streamline clinical processes and eliminate bottlenecks in busy practices — playing a critical role in day-to-day clinic operations. In this role You'll lead by example, contributing high-quality code across both React frontend components and .NET backend servicesYou'll drive frontend architecture and best practice as we migrate SmartFlow from AngularJS to ReactYou'll design and deliver scalable, secure, and maintainable solutions in a cloud-based SaaS environmentYou'll own testing across your work, from unit to integration levelYou'll partner closely with Product Managers and Practice Leads to shape fit-for-purpose solutionsYou'll champion pragmatic technical improvements — refactoring, reducing technical debt, and improving performance and maintainabilityYou'll influence engineering standards and technical direction across squadsYou've helped build a strong engineering culture focused on quality, automation, and continuous improvement Why this role matters SmartFlow is central to how veterinary practices run their day — helping teams stay organised, reduce bottlenecks, and focus on animal care instead of admin. As a senior engineer on this team, you'll have a direct hand in modernising the platform's frontend experience and shaping the technical direction that veterinary practices around the world rely on every day. What You Need To Succeed Proven experience as a Senior Software Engineer in a SaaS or product-led environmentDeep experience with modern frontend development, ideally ReactStrong backend capability in C# / .NETPractical knowledge of software architecture and systems designExperience building and operating in cloud-based environmentsExperience working within Agile frameworks (Scrum, Kanban, or similar)Ability to influence technically and culturally, mentoring others and raising engineering standardsExperience modernising or migrating legacy frontend frameworks (AngularJS experience a plus)A strong advocate for automated testing, DevSecOps, and CI/CD practices What You Can Expect From Us Career pathways that will take you places if you are willing and able Rewarding salary packages including lucrative incentive schemes for all Continuous L&D (both internal and externally) Hybrid working with a great office space to collaborate - including a gym and roof top terrace! Coffee + Fruit + Food Truck Friday Dog friendly office Fully subsidized Southern Cross Health insurance Part subsidized parking via Parkable Career pathways that will take you places if you are willing and able Why IDEXX We're proud of the work we do, because our work matters. An innovation leader in every industry we serve since 1983, our team members help pet owners worldwide keep their companion animals healthy and happy, ensure safe drinking water for billions, and help farmers protect livestock and poultry from disease. We have customers in over 175 countries and a collaborative global workforce. Our culture embraces challenges and encourages learning and discovery. At IDEXX, you'll be supported by competitive compensation, incentives, and benefits while enjoying purposeful work that drives improvement. If meaningful work and a sense of purpose are at the top of your list, you'll find it here. Let's pursue what matters together. IDEXX values a diverse workforce and workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply. IDEXX is an equal opportunity employer. Applicants will not be discriminated against because of race, color, creed, sex, sexual orientation, gender identity or expression, age, religion, national origin, citizenship status, disability, ancestry, marital status, veteran status, medical condition, or any protected category prohibited by local, state, or federal laws.