or apply directly on League Inc.'s site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 34 days League Inc.'s roles stay open a median of 55 days
- Reposted
- No
- Salary listed
- No 0% of League Inc.'s roles list one
- Ghost-job risk at League Inc.
- high 15 stale, 1 reposted of 19 open
- Hiring momentum
- 29 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-10-22
Measured from postings appearing on and disappearing from League Inc.'s own greenhouse board since 2026-08-03. Full hiring picture for League Inc..
About this role
The Principal Design Engineer at League will be responsible for owning and evolving the design system that serves web, iOS, and Android platforms. This role involves creating and maintaining the component library, tooling for design and code synchronization, and building infrastructure for AI agents. The engineer will also ensure accessibility standards are met and document workflows to enhance the overall design practice.
- benefits
- 5/5
- freshness
- 5/5
- career value
- 4/5
- role clarity
- 5/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of League Inc. as an employer.
What you need
- 6+ years in a hybrid design/frontend role, frontend engineering, product design or design engineering
- A portfolio of shipped work where you did both the design and the build
- Experience authoring a design system
- Strong design sensibility and ability to articulate design decisions
- Fluent in production React and TypeScript
- Hands-on experience with Claude Code or equivalent
Nice to have
- Native iOS or Android experience
- Tooling engineering in Node and TypeScript
- Server-driven UI development
- Experience in health tech or regulated industry
- Experience designing evals or benchmarking AI output quality
What you get
- Comprehensive Health Benefits
- Bonus Program
- Employee Stock Option Program
- Unlimited Paid Time Off
- Spending Accounts
- Wellness Days
Worth weighing
- No specific mention of team size or structure
- Role is heavily focused on infrastructure rather than direct product design
- Expectations for AI fluency and integration into daily workflows may require a steep learning curve
Summarised from League Inc.'s posting. Read the full original.
Listed by League Inc. on their greenhouse job board, last confirmed open on 2026-10-22. PitchMeAI is not the employer.
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