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About the Role
Sigma is seeking a Senior Product Designer / Design Engineer to join their design team. This role focuses on the intersection of interaction design and AI engineering, utilizing AI to accelerate design processes, build and improve AI skills, and invent new interaction paradigms for intelligent systems.
Responsibilities
- Use LLMs to clarify scope, draft specs, surface edge cases, and align teams.
- Utilize AI coding tools to build and iterate on solutions, merging code to production when appropriate.
- Prototype interfaces in code using tools like Cursor and Claude Code, guiding structure, behavior, interaction, motion, and UX quality.
- Partner with engineering to determine which elements move into the product.
- Fix interaction and refinement issues directly on production code.
- Design new AI interaction paradigms for conversational interfaces, inventing and validating novel patterns for user interaction with AI systems.
- Build evaluation frameworks, reusable skills, and tooling to ensure AI reliability and improvement.
- Iterate on evaluations and training to improve AI performance on design output.
- Define and set the standard for AI-native UX at Sigma, establishing patterns and principles for the team.
Requirements
- 4+ years in interaction design or design engineering with recent hands-on AI tooling experience.
- Demonstrated use of AI coding assistants to ship real product.
- Experience writing evals, agents, prompt libraries, or skills for AI systems.
- Strong interaction design fundamentals.
- Opinions about AI UX, including trust signals, error recovery, and progressive disclosure of reasoning.
- Exceptional ability to communicate design decisions to PMs, engineers, ML researchers, and executives.
- A portfolio that includes AI-powered or AI-adjacent product work.
Skills
- Interaction Design
- Design Engineering
- AI Tooling
- AI Coding Assistants
- Figma
- Cursor
- Claude Code
- LLMs
- Evaluation Frameworks
- Prompt Libraries
- Conversational Interfaces
Location
- San Francisco
Work Type
- On-site
Experience Level
- Senior
Salary/Compensations
- $210,000 - $250,000 annually
Benefits
- Equity
- Generous health benefits
- Flexible time off policy
- Paid bonding time for all new parents
- Traditional and Roth 401k
- Commuter and FSA benefits
- Lunch Program
- Dog friendly office
- Variable pay (based on goal achievement)
- Stock options
About the Company
- Sigma is an AI Apps and agentic analytics platform built on the cloud data warehouse.
- Business and technical teams use Sigma to explore live data, build intelligent applications, and automate critical workflows without moving data or breaking governance.
- Sigma supports a spreadsheet interface, SQL, Python, and native AI in a single governed workspace.
- Sigma is trusted by more than 2,000 customers, including AMD, Duolingo, Colgate-Palmolive, and JPMorgan Chase.
- Sigma announced its $80M in Series E financing in May 2026.
- The company reached $200M in annual recurring revenue in April 2026, with more than 100% year-over-year growth and 1.1 million new active users added in the latest fiscal year.
Equal Opportunity
- Sigma is an equal opportunity employer.
- We are committed to building a smart and strong team regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender, gender identity or expression, veteran, or any other protected status.
- We look forward to learning how your experience can enable all of us to grow.