Stitch Fix (NASDAQ: SFIX) Stitch Fix is redefining retail by combining human creativity with advanced data science and Generative AI. As we build the future of personalized shopping, we’re equally committed to building yours. We believe in investing in our team as much as our technology. Join us to be a trendsetter in the industry and help us redefine what’s possible for our clients, while we help you reach your full potential.
About the Role
The Platform organization at Stitch Fix designs, builds, and evolves shared infrastructure and tools to ensure engineering teams deliver software safely, reliably, and efficiently. As a Principal Platform Engineer, you will combine hands-on technical contribution with independent leadership to solve ambiguous problems and eliminate operational friction across engineering. Partnering closely with Engineering Managers, Architects, Technical Program Managers, and cross-functional stakeholders, this role acts as a primary technical multiplier for the organization. By shaping core platform architecture and embedding AI-driven workflows into developer tooling, you directly elevate engineering productivity, system reliability, and overall business velocity.
Responsibilities:
- Own the end-to-end technical delivery of platform initiatives from discovery and design through implementation, rollout, and operational readiness.
- Design and build scalable, observable, and maintainable shared platform capabilities, APIs, gateways, and backend services to streamline developer experience and system performance.
- Evaluate and prototype emerging technologies, including AI agents and automated workflows, turning promising approaches into safe, reusable platform tools.
- Lead technical design reviews and mentor engineers across the organization through code reviews, pairing, and actionable feedback to raise the bar for technical excellence.
- Eliminate manual and operationally expensive work by delivering self-service tooling, automation, and continuous improvement across production systems.
How AI and tools show up in your day-to-day work:
- 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.
About You
- 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).
Nice to Have:
- 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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Please review Stitch Fix's US Applicant Privacy Policy and Notice at Collection here: https://stitchfix.com/careers/workforce-applicant-privacy-policy
Recruiting Fraud Alert:
To all candidates: your personal information and online safety are top of mind for us. At Stitch Fix, recruiters only direct candidates to apply through our official career pages at https://www.stitchfix.com/careers/jobs or https://web.fountain.com/c/stitch-fix.
Recruiters will never request payments, ask for financial account information or sensitive information like social security numbers. If you are unsure if a message is from Stitch Fix, please email [email protected].
Skills Required
- Bachelor's degree in Computer Science, Software Engineering, or equivalent practical experience
- Typically 5+ years designing, building, and operating complex production systems
- Experience in platform, infrastructure, backend, or developer tooling environments
- Deep experience with distributed architectures, microservices, APIs, and cloud infrastructure
- Proficiency in Ruby/Rails, Python, or Rust
- Hands-on experience using and implementing AI-assisted engineering workflows, such as AI agents, LLM integrations, or Copilot
- Experience leading complex technical projects end-to-end
- Strong problem-solving, communication, collaboration, and cross-functional influencing skills
- Ability to sit for extended periods, use a computer or office equipment, and communicate effectively
- Experience with GraphQL technologies, API gateways, and modern web frameworks such as React and TypeScript
- Exposure to e-commerce, personalization, or large-scale retail engineering ecosystems
- Experience developing self-service platform tools that safely expose infrastructure to AI agents
- Contributions to open-source software, industry whitepapers, or technical communities focused on developer tooling and platform engineering
Stitch Fix Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Stitch Fix and has not been reviewed or approved by Stitch Fix.
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Parental & Family Support — Company materials describe 16 weeks of paid parental leave for full‑time employees regardless of gender or family composition. Family‑building coverage (e.g., Carrot) is highlighted among inclusive benefits.
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Healthcare Strength — Health coverage includes medical, dental and vision alongside mental‑health support such as Modern Health. Certain wellbeing programs, including mental‑health and family‑planning support, were extended at no employee cost.
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Inclusive Benefits Coverage — Mental‑health and family‑planning benefits were expanded in 2022 to both full‑ and part‑time associates at no employee cost, broadening access. The full‑time parental policy is framed to apply equally to all parents regardless of family composition.
Stitch Fix Insights
What We Do
Stitch Fix is the personal style service for men and women that evolves with your tastes, needs and lifestyle.It’s our mission to change the way people find clothes they love by combining technology with the personal touch of seasoned style experts. The Stitch Fix experience is not merely curated—it’s truly personalized. We’re here to help our clients save time, look great and evolve their personal style over time.
