Software Engineer, R&D

Salary: $72000 - 181000 per year Requirements: We need 4+ years of relevant software engineering experience. We require strong hands-on experience with C#, .NET 8, React, and SQL. We prefer cloud development experience, ideally with AWS. We expect familiarity with Agile practices such as Scrum. We need experience across the full software development lifecycle. We look for excellent technical design, problem-solving, and debugging abilities. We value strong collaboration skills and the ability to work both independently and as part of a team. We need proven analytical ability to interpret and implement business and functional requirements. We would like curiosity, a growth mindset, and comfort learning and experimenting with new technologies. We value the ability to thrive in ambiguous, early-stage environments. We look for strong communication skills, adaptability, and sound judgment when balancing speed, quality, and risk. Nice-to-have experience includes HIPAA and/or PCI-regulated environments, SaaS, domain-driven design, modern architectures such as microservices and event-driven systems, AWS certifications, TDD, GenAI or other emerging technologies, healthcare data, Health IT, interoperability standards such as FHIR and HL7, and clinical informatics or medical claims/EHR data. Responsibilities: We design, build, and refine MVPs, prototypes, and other early-stage solutions to explore new product and capability opportunities. We rapidly test ideas by creating lightweight implementations and putting them in front of users for feedback. We translate ambiguous problem areas and emerging needs into practical technical solutions. We iterate continuously using experimentation, data, and user insights to identify what creates value. We build and deploy solutions primarily in AWS using cloud-native services for fast development and iteration. We experiment with AI-driven approaches to accelerate delivery and enhance product features. We work in a small, cross-functional team to shape and validate new ideas and approaches. We partner with technical and non-technical stakeholders to gather feedback, validate assumptions, and stay focused on the most valuable problems. We balance speed and quality by applying the right engineering practices for early-stage development. We contribute to technical decisions that support rapid iteration and future scalability. We support the deployment of prototypes and early solutions so we can learn from real-world testing. Technologies: AI AWS C# Cloud HL7 Support React SQL TDD microservices ASP.NET DevOps LESS Security More: We are Lumen Dynamics, a business unit within Milliman, Inc., a respected global consultancy. We are a team of a few hundred experts spanning actuarial science, information technology, and clinical practice, and we build data-driven SaaS products for insurance clients. Our culture is entrepreneurial, collaborative, transparent, and focused on innovation, customer service, and continuous improvement. We offer competitive compensation and a comprehensive benefits package, plus learning, mentoring, and career development opportunities. We also support employee-led resource groups, professional involvement, and a strong commitment to diversity, inclusion, social impact, and sustainability. This role is open to remote work, with travel to our Brookfield, WI office as needed and nationwide travel for meetings, conferences, and team events. last updated 26 week of 2026