Trinetix

Senior Mobile Product Designer – Pre-sale, Product

Trinetix

full-time

Posted on:

Location Type: Hybrid

Location: Warsaw • Poland

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Job Level

Senior

Tech Stack

AndroidiOS

About the role

  • Participating in presales activities — helping shape proposals, visualize concepts, and demonstrate design thinking to prospective clients
  • Leading and contributing to discovery, research, and UX architecture before requirements are fully defined
  • Balancing analysis, research, and visual execution — knowing when to go deep and when to move fast
  • Creating prototypes, user flows, IAs, and high-fidelity mockups using Figma
  • Conducting usability testing and customer development interviews
  • Collaborating with development teams and presenting design decisions to client stakeholders
  • Continuously finding ways to improve the product and proposing alternative solutions

Requirements

  • Operates with assumptions — you don't wait for perfect requirements; you form hypotheses, validate them, and move forward
  • Abstract thinker — able to work at the conceptual level, connecting business goals, user needs, and technical constraints into coherent solutions
  • Critical thinker — you question what's in front of you, not just execute it
  • AI-forward — actively uses AI tools in your workflow; understands where to delegate, where to stay in control, and where human judgment makes the difference; comfortable with rapid AI-assisted prototyping
  • Startup-minded — energized by an unpredictable, fast-moving environment without a rigid plan; flexible, experimental, and genuinely enjoy figuring things out as you go
  • Figma — advanced level, including components, auto-layouts, constraints, libraries, and design systems
  • Mobile-first expertise — strong knowledge of iOS and Android design patterns, platform principles, technical capabilities, and constraints
  • FigJam (or similar) for board collaboration and mind mapping
  • Deep knowledge of HCD, UCD, and related methodologies
  • Experience in user research, usability testing, and analytics tools
  • Knowledge of accessibility principles
  • Optional: UI animation experience
  • Optional: code-based prototyping tools (e.g., Framer)
  • A background spanning agency, studio, and/or product environments is a real advantage
  • Experience contributing to or leading presales engagements (pitches, concept presentations, early-stage scoping)
  • Provides meaningful reasoning behind design decisions
  • Gives and receives feedback well, following nonviolent communication principles
  • Communicates clearly with clients and colleagues across cultures
  • Proactive, with a strong sense of ownership
  • Passionate about learning and trying new things
  • English: Upper-Intermediate (B2) or above — our clients speak English, and designers participate actively in client-facing conversations.
Benefits
  • Flexible benefits based on your priorities: medical insurance, sports compensation, English/Spanish courses, pet care, business communication, and more
  • Private Entrepreneur and legal support
  • Remote-first with office access in Kyiv, Warsaw, Buenos Aires, or Nashville
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
prototypinguser flowsinformation architecturehigh-fidelity mockupsusability testinguser researchaccessibility principlesUI animationcode-based prototyping
Soft Skills
critical thinkingabstract thinkingproactiveflexibilitycommunicationcollaborationownershipfeedbackdesign reasoning