This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Principal Software Engineer, AI & Platform based in United States.
This role is a senior technical leadership position focused on shaping the architecture, scalability, and AI-driven evolution of complex production systems within a fast-growing, mission-driven digital health platform. The Principal Software Engineer will act as both an architect and hands-on builder, influencing engineering direction across multiple teams while remaining deeply engaged in system design and implementation. You will play a key role in defining how AI is integrated across the software development lifecycle, from coding and testing to automation and operational workflows. The role requires strong expertise in building distributed systems, modern web architectures, and high-scale cloud-based applications. You will collaborate closely with engineering, product, and operational teams to translate business needs into scalable technical solutions. This is a high-impact role where engineering excellence, AI innovation, and platform thinking converge to shape the company’s long-term technical foundation.
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Principal Software Engineer, AI & Platform based in United States.
This role is a senior technical leadership position focused on shaping the architecture, scalability, and AI-driven evolution of complex production systems within a fast-growing, mission-driven digital health platform. The Principal Software Engineer will act as both an architect and hands-on builder, influencing engineering direction across multiple teams while remaining deeply engaged in system design and implementation. You will play a key role in defining how AI is integrated across the software development lifecycle, from coding and testing to automation and operational workflows. The role requires strong expertise in building distributed systems, modern web architectures, and high-scale cloud-based applications. You will collaborate closely with engineering, product, and operational teams to translate business needs into scalable technical solutions. This is a high-impact role where engineering excellence, AI innovation, and platform thinking converge to shape the company’s long-term technical foundation.
Accountabilities:
- Define and evolve system architecture standards across customer-facing and operational platforms, ensuring scalability, reliability, maintainability, and strong developer experience.
- Lead the design of complex distributed systems, APIs, data models, workflows, and integrations that support both product and operational needs.
- Drive the technical strategy for AI-enabled engineering, including the adoption of LLMs, agentic systems, and AI-assisted development workflows across the organization.
- Establish engineering best practices for code quality, testing, observability, CI/CD, deployment safety, and incident response.
- Evaluate emerging AI technologies and implement practical use cases that improve engineering velocity, automation, and operational efficiency.
- Partner with cross-functional teams including Product, Operations, Growth, and Finance to translate business requirements into scalable technical solutions.
- Mentor engineers and influence engineering culture through technical leadership, design reviews, and hands-on guidance.
- 10+ years of professional software engineering experience building and operating large-scale, production systems.
- Expert-level experience with Ruby on Rails and strong proficiency in modern web architecture, distributed systems, APIs, cloud platforms (AWS, GCP, or Azure), and data modeling.
- Proven track record of leading technical architecture decisions, mentoring engineers, and driving engineering excellence across teams.
- Deep understanding of AI technologies, including LLMs, AI-assisted coding tools (e.g., Copilot, Claude, Codex), and AI-powered system design.
- Experience with agent architectures, retrieval systems, tool-calling frameworks, evaluation methodologies, and AI system reliability concepts.
- Strong product and business judgment with excellent communication skills and the ability to influence both technical and non-technical stakeholders.
- Authorization to work in the United States (no visa sponsorship available for this role).
- Competitive salary with performance-based incentives
- Remote-first work environment with high flexibility and trust
- Comprehensive medical, dental, and vision insurance (including partial dependent coverage)
- Generous paid time off (PTO) policy
- 401(k) retirement savings plan
- Mission-driven work improving modern pet healthcare experiences
- Collaborative, fast-moving engineering culture focused on learning and innovation
- Opportunity to shape AI-first engineering practices at company scale