Principal Software Engineer

About Lumistry Lumistry serves over 9,000 pharmacies globally, helping them transform their businesses to improve adherence, reduce operating costs and increase revenue. We offer a collection of solutions purpose-built for pharmacies, enabling our customers to engage with their patients, consolidate vendors, improve patient health literacy, automate tasks and initiate online scheduling for programs and services. For more information, visit lumistry.com . Job Summary We are seeking a skilled Principal Software Engineer to join the Lumistry team. In this hands-on role, you will help drive technical strategy across the entire engineering organization, as well as lead development on one of our core enterprise products that powers pharmacy care across the United States. We're actively building an AI-first engineering culture where you'll have access to best-in-class AI tools and the autonomy to shape how we adopt them. You will work cross-functionally to help ensure our platform meets the rigorous compliance and quality requirements of the healthcare industry. Key Responsibilities Drive technical alignment across engineering teams, establishing shared patterns, platform standards, and architectural guardrails that scale beyond any single product or team. Architect scalable, maintainable solutions, with an eye toward long-term data integrity, security, and performance. Own end-to-end development, including web applications, backend services, data pipelines, and integrations for the core Lumistry platform. Leverage deep use of AI coding assistants (Claude Code, GitHub Copilot, etc.) as a force multiplier across the full development lifecycle and contribute to Lumistry's evolving AI-SDLC practices, helping establish team norms around effective AI tool usage. Help evaluate and adopt emerging AI engineering tools as the AI-first landscape evolves. Set and uphold engineering standards: code reviews, testing practices, documentation, and CI/CD hygiene, as well as be a catalyst and raise the technical floor through teamwork, mentorship, and coaching of other engineers. Participate actively in architectural discussions and help the team make sound, well-reasoned technical decisions, translating complex product requirements into clear technical plans with realistic estimates. Define test strategies and drive technical decisions to ensure high-quality releases in our regulated environment to deliver features and support that matters. Partner with the security and compliance function to ensure architecture decisions account for HIPAA, SOC 2, and evolving regulatory obligations. Design and maintain data pipelines supporting clinical workflows, drug databases, and reporting needs. Required Skills/Experience Bachelor’s or Master’s degree in a related field or equivalent experience 8+ years of professional software engineering experience, with meaningful tenure in senior or lead roles. Demonstrated experience with AI-augmented development lifecycle (AI-SDLC) practices, resulting in sustained successful product delivery. Expert hands-on experience using AI coding assistants (Claude Code, GitHub Copilot, Cursor, or Windsurf) as a core part of your daily development workflow. Practical experience designing and operating scalable, secure infrastructure required to build, deploy, and govern enterprise AI and agentic systems. Strong technical proficiency and deep, production-grade experience with Typescript/Node.js and Python/Django. Proficiency with React for building and maintaining frontend features. Expert-level MySQL skills including schema design, query optimization, indexing strategies, migrations. Solid understanding of RESTful API design and service-oriented architecture. Strong background with leading, influencing, and developing a culture of engineering maturity and excellence across the engineering workforce through coaching, mentorship, and collaboration. Excellent communication skills with an ability to articulate technical tradeoffs and c