# Dima Trubnikov

> Principal Product Designer and design lead based in Vilnius, Lithuania (EU), with 15+ years across enterprise SaaS, healthcare, fintech and consumer IoT. He designs the bridge between people and complex machines: a design leader with an engineering foundation, from microchips to AI orchestration.

- Open to design lead and principal roles.
- Ran a design department at Softeq Development (enterprise software, Fortune 500 clients): annual result from −27% to +32%, team grown from 2 to 10 with 0% attrition, design delivery cut from 5–7 sprints to 2–3.
- Sole product designer of the ERP behind G.J. Gardner Homes, a franchise network selling $1.7B of homes a year.
- Has designed and shipped seven iOS apps solo through AI orchestration (CycleCare, RelaxColors and others).
- Certifications: Google UX, IBM Enterprise Design Thinking, IBM Team Essentials for AI.
- Contact: d.trubnikov@me.com · CV: https://dimatrubnikov.com/media/j9yifpm7VfAOFBV8sYtRvaHwRCY.pdf · LinkedIn: https://www.linkedin.com/in/dmitrytrubnikov/

## Case studies

- [Turning a Design Department into a Profit Engine](https://dimatrubnikov.com/turning-a-design-department-into-a-profit-engine): How I rebuilt a loss-making design unit into a profitable, high-retention team. Role: Head of Design / Resource Manager. 2016 – 2026. Outcome: P&L −27% → +32% margin · team 2 → 10, 0% attrition · delivery 5–7 → 2–3 sprints.
- [Caily — Two Years of Design That Could Not Ship](https://dimatrubnikov.com/caily-%E2%80%94-ai-native-care-built-to-be-used): Two years of design work that couldn't ship. One month to production. Role: Principal Product Designer — end-to-end across web/mobile. Stalled 2024–2026 · recovered 2026. Outcome: ~1,500 inherited design frames → ~300 shipped · 2-year stalled build in production in one month · role-based permission built into the system.
- [Halo Collar — Setup That Stopped Losing Users](https://dimatrubnikov.com/halo-collar-%E2%80%94-setup-that-stopped-losing-users): The collar is hardware. The relationship is software. Role: Lead Designer — first designer on the product, later staffed and directed five designers across it. 2018 – 2022 · 0→1 through market launch. Outcome: Onboarding 15 min → under two minutes · $400M valuation at Series B · 100K+ Google Play downloads · 4.1★ App Store (9K+ ratings) · TIME Best Inventions 2025.
- [G.J. Gardner — ERP Behind $1.7B of Homes a Year](https://dimatrubnikov.com/g.j.-gardner-%E2%80%94-erp-for-a-1.7b-franchise-network): A decades-old desktop system, and the spreadsheets around it, ran a network selling $1.7B of homes a year. Someone had to replace them without breaking it. Role: Sole Product Designer — UX and UI, three years from first style direction to release. 2016 – 2019. Outcome: Onboarding of staff and new franchises: ~6 months → under 2, by the client's account · platform for a network selling $1.7B of homes a year · ~150 franchises · 5 countries.
- [EIT — Where a Procurement Argument Becomes an Interface](https://dimatrubnikov.com/eit-equipment-specification-and-procurement): Buying a subsea separator is not a purchase. It is an argument about several hundred numbers, and it used to live in email. Role: Product Designer — the specification model, the negotiation table and every role's view of it. 2019 – 2020. Outcome: 15 system types · 4 roles on one record · hundreds of parameters per specification · the most complex data model in the portfolio.
- [Offline AI — An Assistant That Never Leaves the Phone](https://dimatrubnikov.com/offline-ai-on-device-assistant): What changes when the model lives in your pocket? Role: Sole designer and developer — product, UX, SwiftUI, on-device model integration. 2026. Outcome: 6 on-device language and vision models · 1,215 object labels · 246 seeded knowledge categories · works in airplane mode.
- [AI Underwriting — Five Decisions, Not a Thousand Actions](https://dimatrubnikov.com/ai-underwriting-five-decisions): Ten agents read 47 documents. The analyst should only see where their work stopped. Role: Product Design Lead (candidate exercise) — concept, UX, working prototype, design system. September 2026 · one working day. Outcome: 47 documents · 10 agents · 1,240 checks → 5 decisions on screen · returns recalculate from every choice · working prototype in one day.

## Also designed

- Lenovo Deployment Assistant: fleet software deployment for Microsoft SCCM, desktop wizard.
- jDisc Discovery: network discovery, native desktop to browser, UI kit handoff.
- Sky-Futures: drone inspection platform for offshore assets (Silver Stevie 2017).
- iPic Theaters: ADA AA booking redesign for web, iOS and Android.
- AGU: connected baby-care device ecosystem, mobile app.
- Codiac: Kubernetes deployment platform, UX audit and redesign.

## Pages

- [Home](https://dimatrubnikov.com/): selected work, craft, what he is hired for, recommendations, contact.
- [Turning a Design Department into a Profit Engine](https://dimatrubnikov.com/turning-a-design-department-into-a-profit-engine)
- [Caily — Two Years of Design That Could Not Ship](https://dimatrubnikov.com/caily-%E2%80%94-ai-native-care-built-to-be-used)
- [Halo Collar — Setup That Stopped Losing Users](https://dimatrubnikov.com/halo-collar-%E2%80%94-setup-that-stopped-losing-users)
- [G.J. Gardner — ERP Behind $1.7B of Homes a Year](https://dimatrubnikov.com/g.j.-gardner-%E2%80%94-erp-for-a-1.7b-franchise-network)
- [EIT — Where a Procurement Argument Becomes an Interface](https://dimatrubnikov.com/eit-equipment-specification-and-procurement)
- [Offline AI — An Assistant That Never Leaves the Phone](https://dimatrubnikov.com/offline-ai-on-device-assistant)
- [AI Underwriting — Five Decisions, Not a Thousand Actions](https://dimatrubnikov.com/ai-underwriting-five-decisions)