Principal Platform Engineer

Leverage modern AI workflows (e.g., GitHub Copilot, ChatGPT, agentic coding tools) to accelerate software delivery, optimize code quality, and automate routine technical tasks.

Build and operate systems within our core technical landscape, spanning Ruby/Rails, Python, Rust, React/TypeScript, GraphQL, and cloud infrastructure.

Evolve core platforms so AI agents and automated systems can safely discover capabilities, execute actions, monitor outputs, and recover from failures independently.

Adapt quickly to emerging platforms , continuously integrating new tools and methodologies into production environments to maximize engineering efficiency.

Education: Bachelor’s degree in Computer Science, Software Engineering, or equivalent practical experience.

Relevant Experience: Demonstrated track record (typically 5+ years) designing, building, and operating complex production systems in platform, infrastructure, backend, or developer tooling environments.

Technical Expertise: Deep experience with distributed architectures, microservices, APIs, and cloud infrastructure, along with proficiency in languages such as Ruby/Rails, Python, or Rust.

AI Tooling Capabilities: Hands-on experience using and implementing modern AI-assisted engineering workflows (e.g., AI agents, LLM integrations, Copilot) to optimize developer processes.

Leadership & Collaboration: Strong problem-solving abilities with proven experience leading complex technical projects end-to-end, communicating tradeoffs clearly, and influencing cross-functional teams without direct authority.

Physical Requirements: This position may require the ability to sit for extended periods of time, use a computer or other office equipment, and communicate effectively (verbal and written).

Experience working with GraphQL technologies, API gateways, and modern web frameworks like React and TypeScript.

Exposure to e-commerce, personalization, or large-scale retail engineering ecosystems.

Proven track record of developing self-service platform tools that safely expose underlying infrastructure to AI agents.

Active contributions to open-source software, industry whitepapers, or technical communities focused on developer tooling and platform engineering.

We are a group of bright, kind people who are motivated by challenge. We value integrity, innovation and trust. You’ll bring these characteristics to life in everything you do at Stitch Fix.

We cultivate a community of diverse perspectives— all voices are heard and valued.

We are an innovative company and leverage our strengths in fashion and tech to disrupt the future of retail.

We win as a team, commit to our work, and celebrate grit together because we value strong relationships.

We boldly create the future while keeping equity and sustainability at the center of all that we do.

We are the owners of our work and are energized by solving problems through a growth mindset lens. We think broadly and creatively through every situation to create meaningful impact.

We offer comprehensive compensation packages and inclusive health and wellness benefits.

Compensation and Benefits This role will receive a competitive salary, benefits, and equity. The salary for US-based employees hired into this role will be aligned with the range below, which includes our three geographic areas. A variety of factors are considered when determining someone’s compensation–including a candidate’s professional background, experience, location, and performance. This position is eligible for an annual bonus, and new hire and ongoing grants of restricted stock units, depending on employee and company performance. In addition, the position is eligible for medical, dental, vision, and other benefits. Applicants should apply via our internal or external careers site.

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