Tech StartupExpert-built kit

UI/UX Designer

Designs accessible interface components, runs usability tests, and partners with developers to ensure implementation fidelity.

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Interview content for Mid

40
What to ask. Competency and attitude questions, assigned to the right round.
320
What to listen for. Written indicators to credit and discount, per question.
15
What the hire must do. Capabilities with expected proficiency at each level.

Look inside: one question, as it appears in the kit

Pick the level you’re hiring. The sample changes with the level you select.

Round 3 · Peer Design Collaboration24 competency questions

Design Systems, Operations & Compliance

Design Leadership

Mentors junior designers; leads small projects and contributes to team processes and design culture.

Expected at Mid

Sample competency question

Describe a situation where you elevated the design practice or quality of those around you without formal authority.

Ask once, as written, then allow silence. A helpful rephrase may hand the candidate the answer.

Credit

  • Describes concrete artifacts, sessions, or processes created
  • Shows generosity with knowledge and credit to others
  • Mentions adapting approach based on colleague feedback
  • Frames as collective improvement, not personal elevation

Discount

  • Improvement imposed without colleague input or buy-in
  • Focus on being recognized as expert rather than elevating others
  • No consideration of different learning styles or needs
  • Abandons effort when not immediately adopted

Mid-level designers are expected to independently mentor junior peers and lead small projects to foster team scalability and reduce design debt. Failure to provide this guidance increases senior burden and creates knowledge silos, limiting overall team velocity and progression readiness.

Ryan Mahoney

Why this role is hard · Ryan Mahoney

At this level, you want someone who can take a feature from start to finish without you hovering, but still knows when to bring others in and actually hear what they say. The tricky part is finding a designer who can turn a messy product requirement into a clean interface, run their own research to check it, and hand it off to engineers who won't regret working with them. Most candidates manage two out of three. Some talk a great game about process but shut down when stakeholders push back. Others ship quickly but treat accessibility as something to deal with later, or don't know WCAG 2.2 well enough to catch real problems themselves. You need someone who communicates clearly not because they're naturally charming, but because they've learned that vague design wastes everyone's time. The real find is the designer who will stand up for a user need, accept when they lose, and still ship something that makes sense instead of sulking or quietly undermining the outcome.

Everything in the download, in the order you’ll use it

Level guides for Junior, Mid, Senior and Principal.

Before you post

  • 1Ready-to-use job description
  • 3Video screening prompts
  • 8Resume screening criteria

In the room

  • 24Competency interview questions
  • 16Attitude interview questions
  • 1Hands-on work simulations
  • 1Presentation prompts

At the debrief

  • Progression framework
  • Exceeds / Meets / Below anchors for every exercise
  • 4Interview plan with time per round

Core Evaluation

Critical questions for this role

The competency and attitude questions below are where the hiring decision is made. They run in the live interview rounds and are calibrated to the level selected above.

24 Competency Questions

1 of 24

  1. Discipline

    Design Systems, Operations & Compliance

  2. Job requirement

    Design Leadership

    Mentors junior designers; leads small projects and contributes to team processes and design culture.

  3. Expected at Mid

    Mid-level designers are expected to independently mentor junior peers and lead small projects to foster team scalability and reduce design debt. Failure to provide this guidance increases senior burden and creates knowledge silos, limiting overall team velocity and progression readiness.

Interview round: Peer Design Collaboration

Describe a situation where you elevated the design practice or quality of those around you without formal authority.

Positive indicators

  • Describes concrete artifacts, sessions, or processes created
  • Shows generosity with knowledge and credit to others
  • Mentions adapting approach based on colleague feedback
  • Frames as collective improvement, not personal elevation

Negative indicators

  • Improvement imposed without colleague input or buy-in
  • Focus on being recognized as expert rather than elevating others
  • No consideration of different learning styles or needs
  • Abandons effort when not immediately adopted

16 Attitude Questions

1 of 16

Adaptive Perspective Taking

The disciplined capacity to fluidly shift between multiple mental models—user, business, technical, and organizational—when navigating ambiguous design problems, synthesizing competing constraints into coherent solutions without collapsing into single-viewpoint fixation or false compromise. This involves holding contradictory requirements in productive tension, translating across disciplinary languages in real-time, and recognizing which perspective should predominate based on situational context rather than personal expertise or organizational power.

Interview round: Hiring Manager Portfolio Review

You're in a conversation with a user researcher, a frontend engineer, and a product manager, each raising different concerns about your design. How do you respond?

Positive indicators

  • Paraphrases each concern in discipline-appropriate language
  • Proposes separate but coordinated responses
  • Mentions sequencing based on dependency or risk
  • Involves each party in solution for their domain

Negative indicators

  • Responds with generic 'I'll consider that' to all
  • Prioritizes based on hierarchy not concern merit
  • Conflates technical and user concerns
  • No specific next steps for any concern

Supporting Evaluation

How candidates earn the selection conversation

The goal is to reduce effort for everyone by collecting more useful signals before adding more interviews. Lightweight application prompts and structured screens help your team focus interview time on the candidates most likely to succeed.

Stage 1 · Application

Filter at the door

Runs the moment a candidate hits Submit. Disqualifying answers end the application; everything else is captured for review.

Video-Response Questions

1 of 3

Application Screen: Video Response

You are presenting a multi-year UX vision to engineering and GTM leaders who are pushing for immediate feature delivery. Describe how you would structure your pitch to persuade them to prioritize design-led initiatives, and what specific trade-offs you would highlight to secure buy-in.

Candidate experience

REC
0:42 / 2:00
1Record
2Review
3Submit

Response time

2 min

Format

Recorded video

Stage 2 · Resume Screening

Read the resume against fixed criteria

Reviewers score every application that clears the door against the same criteria. Stronger reviews advance to live interviews; weaker ones are archived without further screening.

Resume Review Criteria

8 criteria
Independently designs and delivers complete user journeys, balancing user needs, business metrics, and technical scope.
Conducts comprehensive pre-launch accessibility evaluations and collaborates on technical remediation workflows.
Partners closely with engineering to ensure design specifications are accurately translated into production code through structured QA processes.
Leverages behavioral analytics and user research to drive continuous product improvements and prioritize design work.

Is the resume complete, well-organized, and free from formatting, spelling, and grammar mistakes?

Does the resume show relevant prior work experience?

Does the cover letter or personal statement convey clear relevance and familiarity with the job?

Does the resume indicate required academic credentials, relevant certifications, or necessary training?

Stage 3 · During Interviews

Where the hire is decided

Interview rounds use the competency and attitude questions outlined above, then add tests, work simulations, and presentations that reveal deeper evidence about how the candidate thinks and works.

Presentation Prompt

Discuss your approach to designing a complete user flow or feature from discovery to deployment. Walk us through how you balanced user research findings, business constraints, and engineering feasibility to ship a minimum lovable experience.

Format

deck-and-walkthrough · 20 min · ~2 hr prep

Audience

Product managers, engineering leads, and design leadership

What to prepare

  • A short 3-5 slide deck outlining one past feature or user flow
  • Include problem framing, key design iterations, and how you navigated trade-offs

Deliverables

  • A 15-20 minute presentation walking through the deck, followed by a brief Q&A

Ground rules

  • Focus on your decision-making process and rationale. Do not build a net-new strategy or roadmap; use a real past project you are permitted to share.

Scoring anchors

Exceeds
Masters the narrative from problem discovery to shipped impact, clearly articulates strategic trade-offs, and demonstrates strong cross-functional alignment.
Meets
Presents a coherent feature walkthrough with clear problem framing, research integration, and basic trade-off discussion.
Below
Lacks clear problem framing, presents a disconnected series of screens, or cannot explain how business/engineering constraints shaped the final design.

Response time

20 min

Positive indicators

  • Frames the problem clearly before jumping to solutions
  • Articulates how research data directly influenced prioritization and design trade-offs
  • Demonstrates how they aligned cross-functional stakeholders around a shared vision
  • Shows awareness of technical feasibility and deployment constraints

Negative indicators

  • Jumps straight into UI screens without explaining the underlying problem or user need
  • Presents a linear, frictionless process that ignores real-world constraints or pushback
  • Struggles to connect design decisions to measurable business or user outcomes
  • Over-relies on aesthetic justification rather than strategic reasoning

Work Simulation Scenario

Scenario. You're designing a new multi-step onboarding flow for a new enterprise tier. Leadership wants it live in 4 weeks to capture a sales pipeline, but you suspect the current information architecture will cause high drop-off. You need to frame your discovery approach, align on business metrics vs. user validation trade-offs, and define what 'good enough' looks like for launch.

Problem to solve. Develop a pragmatic research and design validation strategy that balances business urgency with user experience quality, and negotiate scope with stakeholders.

Format

discovery-interview · 35 min · ~2 hr prep

Success criteria

  • Align UX goals with Q3 business metrics (time-to-value, conversion)
  • Propose a time-boxed, lightweight validation method
  • Define clear launch criteria and post-launch iteration plan
  • Negotiate realistic scope within engineering capacity

What to review beforehand

  • Basic onboarding funnel metrics and common drop-off patterns
  • Lean UX and rapid validation methodologies

Ground rules

  • Focus on trade-offs between speed, research rigor, and user impact.
  • Negotiate scope explicitly rather than accepting or rejecting constraints outright.
  • Anchor proposals in measurable outcomes.

Roles in scenario

Product Manager - Enterprise Growth (informed_partner, played by hiring_manager)

Motivation. Needs to ship a new onboarding flow quickly to capture Q3 enterprise deals, but wants it to actually convert.

Constraints

  • Sales pipeline is waiting; leadership tracking time-to-first-value
  • Engineering bandwidth is capped at 2 sprints
  • Marketing campaign launch date is fixed

Tensions to introduce

  • Will admit that skipping full usability testing is risky but necessary for the deadline if the candidate proposes a lighter validation method
  • Will share that the current drop-off is 40% at step 3 only if asked about baseline metrics
  • Will push back if the candidate proposes a 6-week research plan

In-character guidance

  • Focus on business outcomes and timeline pressure
  • Answer questions about metrics, user segments, and constraints honestly
  • Negotiate pragmatically if the candidate ties UX improvements to conversion or retention

Do not

  • Do not volunteer the exact drop-off reasons or user research findings unless asked
  • Do not agree to a 6-week research plan or compromise the fixed launch date
  • Do not solve the UX problem or dictate the validation methodology for the candidate

Scoring anchors

Exceeds
Expertly balances research rigor with business urgency, proposes a pragmatic validation strategy, and aligns UX success criteria directly with revenue and adoption metrics.
Meets
Identifies key business constraints, proposes a feasible lightweight validation approach, and negotiates clear scope and success metrics.
Below
Over-indexes on perfect research or ignores business deadlines, fails to link UX to metrics, or freezes under ambiguity.

Response time

35 min

Positive indicators

  • Explicitly ties UX decisions to business metrics (time-to-first-value, conversion, retention)
  • Proposes lightweight, time-boxed validation methods that fit the timeline
  • Negotiates scope and success criteria with clear trade-off framing
  • Demonstrates intellectual humility by acknowledging research limitations while protecting user outcomes

Negative indicators

  • Proposes unrealistic research timelines that ignore business constraints
  • Fails to connect UX improvements to measurable business outcomes
  • Guesses at drop-off causes or user behavior without data or inquiry
  • Avoids negotiating scope or defers entirely to stakeholder pressure

Progression Framework

This table shows how competencies evolve across experience levels. Each cell shows competency at that level.

Design Systems, Operations & Compliance

5 competencies

CompetencyJuniorMidSeniorPrincipal
Design Leadership

Receives feedback actively and pursues skill development opportunities.

Mentors junior designers; leads small projects and contributes to team processes and design culture.

Leads design teams; manages hiring, performance, and career development.

Leads design departments; shapes organizational structure, culture, and strategic design investments.

Design Systems Architecture

Uses design system components correctly and reports inconsistencies or bugs.

Creates new components and patterns; maintains documentation and usage guidelines while ensuring accessibility and cross-platform coherence.

Architects design system structure; establishes governance models and drives adoption across teams.

Evolves multi-brand/multi-platform systems; defines industry standards for design tokens and system architecture.

Implementation & Handoff

Prepares redlines and basic design specifications for engineering handoff.

Manages detailed handoff process; supports QA and maintains design tokens to ensure implementation fidelity.

Optimizes design-dev collaboration; establishes handoff workflows and implementation standards.

Defines DesignOps strategy; builds tooling infrastructure and CI/CD pipelines for design assets.

Operational Tool Design

Designs simple internal forms and interfaces based on requirements.

Optimizes internal workflows; designs admin tools and dashboards for operations teams and customer support efficiency.

Architects complex operational systems; measures efficiency gains and drives automation strategies.

Transforms enterprise operations; defines internal product strategy and organizational workflow architecture.

Regulatory Compliance & Privacy

Applies standard privacy patterns such as consent banners and data request flows.

Designs comprehensive privacy experiences including GDPR/CCPA compliance flows and data deletion workflows.

Develops compliance strategies; implements privacy-by-design frameworks and conducts risk assessments.

Navigates global regulatory strategy; influences policy and establishes ethical data practices.

Interface Design & Content Strategy

5 competencies

CompetencyJuniorMidSeniorPrincipal
Accessibility Standards

Applies WCAG 2.1 guidelines to designs; uses automated accessibility checkers and keyboard navigation.

Conducts accessibility audits; designs inclusive alternatives for complex interactions and visualizations, ensuring WCAG 2.1 AA compliance across platforms.

Sets organizational accessibility standards; trains teams and leads remediation of complex compliance gaps.

Drives organizational accessibility strategy; influences legal compliance and industry inclusive design practices.

Content Strategy

Writes clear, concise UI copy and applies established voice and tone guidelines to interface elements.

Develops content models and conducts audits; optimizes content for usability, SEO, and conversion while maintaining voice and tone consistency across features.

Defines content strategy frameworks; aligns content with brand architecture and scales across product lines.

Architects enterprise content ecosystems; influences organizational brand voice and content governance policies.

Cross-Platform Adaptation

Adapts designs for standard responsive breakpoints; understands platform-specific conventions.

Designs platform-optimized experiences (iOS vs Android vs Web) while maintaining design system coherence and responsive behavior across breakpoints.

Defines cross-platform strategy; optimizes for device capabilities and context-of-use across ecosystems.

Architects multi-ecosystem experiences; pioneers design for novel form factors (automotive, wearables, spatial).

Data Visualization

Creates basic charts and graphs using established design system components and libraries.

Designs complex dashboards; selects appropriate visualization types for diverse data relationships and accessibility requirements.

Defines data visualization systems; handles real-time data, complex filtering, and accessibility for data interfaces.

Innovates in data storytelling and interactive visualization; sets enterprise analytics UX strategy.

Interaction Design

Executes wireframes and prototypes for defined features using established design patterns and component libraries.

Independently designs end-to-end user flows; introduces novel interaction patterns for complex scenarios while ensuring state management and edge case handling.

Defines interaction frameworks and state management logic; solves ambiguous interaction problems and mentors on craft excellence.

Sets interaction strategy for product portfolios; pioneers paradigm-shifting patterns and contributes to industry standards.

Research, Analytics & Strategic UX

5 competencies

CompetencyJuniorMidSeniorPrincipal
AI/ML Interface Patterns

Implements standard AI UI patterns such as chatbots, recommendation carousels, and suggestion chips.

Designs human-in-the-loop interactions; handles AI error states, confidence indicators, and feedback mechanisms for ML-powered features.

Defines AI UX frameworks; balances automation with user control; establishes ethical guidelines for AI interfaces.

Shapes organizational AI UX strategy; defines novel interaction paradigms for generative and agentic systems.

Business Strategy Alignment

Understands user stories and requirements within given business constraints.

Balances user needs with business constraints; articulates design value in business terms and aligns solutions with monetization and growth goals.

Influences product roadmap through UX insights; positions UX as a business differentiator.

Partners with C-suite on strategy; drives UX-led business model innovation and market expansion.

Experimentation & Data Analysis

Sets up basic A/B tests; monitors standard metrics like click-through and conversion rates.

Designs experiments and interprets statistical significance; balances quantitative data with qualitative insights to iterate on features.

Defines experimentation strategy; designs complex multivariate tests and establishes north star metrics.

Institutionalizes experimentation culture; creates growth frameworks and advanced statistical models for UX.

Strategic UX Vision

Participates in design critiques and understands product vision.

Owns feature-level vision; aligns stakeholders and drives consensus on design direction for end-to-end user flows.

Defines product vision and 3-year roadmap; drives cross-portfolio strategy and platform thinking.

Shapes industry vision; leads organizational transformation and establishes thought leadership.

User Research Methodologies

Assists with usability tests and interviews; takes notes and organizes raw data.

Independently conducts interviews, surveys, and usability tests; synthesizes findings into actionable insights that drive product decisions.

Leads strategic research initiatives using mixed methods; creates journey maps and service blueprints.

Establishes organizational research strategy; builds insight repositories and longitudinal research programs.