Principal Full Stack Engineer

Principal Full Stack Engineer (Ruby / React / AI-Forward Development)

Location: Dublin, OH (Hybrid Preferred) or Remote

Employment Type: Full-Time or Contract-to-Hire

Compensation: Competitive base salary plus bonus opportunity

About the Opportunity

We are partnering with a mission-driven software company that develops technology solutions supporting professionals who serve vulnerable populations. They are seeking a Principal Full Stack Engineer to play a critical role in both product development and engineering innovation.

This is a highly influential technical leadership position for an engineer who thrives in a hands-on environment and enjoys owning solutions from architecture through production. You will help shape technical strategy, deliver complex product features, and advance AI-enabled engineering practices across the organization.

What You'll Do

• Lead the design, development, testing, deployment, and operation of full-stack product features
• Define and drive architectural decisions, technical standards, and engineering best practices
• Serve as a technical leader and mentor through code reviews, design discussions, and collaborative problem solving
• Build and improve AI-assisted engineering workflows, including automated testing, code review processes, and development standards
• Evaluate and implement opportunities for automation that improve engineering efficiency and quality
• Partner with stakeholders to translate business needs into scalable technical solutions
• Operate with a high degree of autonomy while driving execution and delivering measurable outcomes

Required Qualifications

• 8+ years of professional software engineering experience, including experience operating at a Staff or Principal level
• Strong experience building and delivering SaaS applications in production environments
• Hands-on experience with:
• Ruby on Rails
• React and TypeScript
• Proven ability to design and architect complex systems from the ground up
• Experience making and communicating architectural trade-off decisions
• Strong commitment to automated testing, including unit, integration, and end-to-end testing
• Excellent written and verbal communication skills

Successful candidates will have practical experience leveraging modern AI-assisted development tools and workflows. This includes:

• Using tools such as Claude Code, Cursor, or similar platforms in day-to-day software development
• Understanding AI development patterns, model capabilities, context management, and workflow optimization
• Applying AI to improve software quality, developer productivity, and engineering processes
• Experience building production-ready solutions with AI-assisted development approaches

Preferred Qualifications

• Knowledge of automated test generation, AI-powered code review, or prompt engineering standards
• Experience with Domain-Driven Design (DDD)
• Familiarity with advanced AI development patterns, including multi-agent workflows and context engineering
• Experience with AWS application services
• Background in highly regulated industries such as government technology, healthcare, human services, or other complex SaaS environments

What Makes This Role Unique

• Significant influence on technical direction and architecture
• Opportunity to shape the future of AI-enabled software development practices
• High-autonomy environment with strong engineering ownership
• Mission-driven organization focused on meaningful outcomes
• Blend of hands-on engineering, technical leadership, and innovation

If you're a senior engineering leader who enjoys solving complex technical challenges, building scalable systems, and leveraging AI to elevate software delivery, we'd love to connect.