Making pet care simple
Principal Software Engineer – AI, Platform
Location
United States
Posted
2 days ago
Salary
$150K - $160K / year
Seniority
Lead
Job Description
Principal Software Engineer – AI, Platform
Koala Health
• Architecting systems that scale with the business. • Raising engineering quality and operational excellence. • Accelerating development velocity through effective use of AI. • Establishing best practices for AI-assisted and agentic software development. • Mentoring engineers and helping the team make better technical decisions. • Leveraging technology to simplify complex operational workflows and improve customer experiences. • Define and evolve architectural standards across customer-facing and operational systems. • Lead the design of complex software systems, integrations, workflows, and data models. • Drive long-term technical strategy while balancing short-term business priorities. • Identify technical risks and opportunities early and develop pragmatic plans to address them. • Lead architectural reviews and guide major technical decisions across teams. • Establish patterns that improve reliability, maintainability, scalability, and developer productivity. • Champion AI-assisted software development across the organization. • Define best practices for leveraging LLMs in coding, testing, debugging, documentation, code review, and operational workflows. • Design and build agentic systems that automate engineering and business processes. • Evaluate emerging AI technologies and determine where they can create measurable value. • Help iterate on Koala's approach to AI-enabled software development and organizational productivity. • Ensure AI systems are implemented responsibly, securely, and with appropriate operational safeguards. • Raise the bar for code quality, testing, documentation, and operational readiness. • Drive improvements in CI/CD, deployment safety, developer experience, and engineering workflows. • Establish standards for observability, monitoring, alerting, and incident response. • Introduce tooling and automation that improve engineering velocity without sacrificing quality. • Foster a culture of ownership, continuous improvement, and technical excellence. • Partner closely with Product, Operations, Pharmacy, Customer Care, Growth, and Finance teams to understand business challenges and design effective solutions. • Translate ambiguous business requirements into scalable technical approaches. • Lead initiatives from concept through implementation, rollout, and operational support. • Ensure technical decisions align with company goals and customer outcomes. • Help mentor engineers across all experience levels. • Provide thoughtful guidance through design reviews, architecture discussions, and code reviews. • Help develop engineering processes that scale as the organization grows. • Serve as a trusted technical advisor to cross-functional stakeholders. • Influence engineering culture through technical leadership rather than organizational authority.
Job Requirements
- Bachelor's degree or equivalent
- 10+ years of professional software engineering experience building and operating complex, production-scale systems.
- Expert-level Ruby on Rails experience with strong knowledge of modern web application architecture, distributed systems, APIs, data modeling, and cloud platforms (AWS, GCP, or Azure).
- Proven experience leading technical architecture, driving engineering direction, mentoring engineers, and delivering reliable, observable, high-performing systems.
- Strong product and business judgment with excellent written and verbal communication skills.
- Deep expertise with modern AI development, including LLMs, AI-assisted coding tools (e.g., Claude, Codex, GitHub Copilot), and building AI-powered products, agents, automation, or developer workflows.
- Understanding of agent architectures, retrieval systems, tool-calling, evaluation frameworks, and AI system reliability, with a demonstrated ability to use AI to improve engineering velocity and team effectiveness.
- Authorization to work in the United States (Koala is not able to sponsor visas for this role).
Benefits
- Medical, dental, and vision insurance with partial dependent coverage
- Generous PTO and a 401(k) plan
- Competitive base salary with performance-based incentives
- Meaningful mission helping modernize pet health
- Remote-first culture built on flexibility and trust
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