Years of experience: 9

Product DesignerUX/UI Designer🐦 Design

Trust Score

Exceptionally trusted; proven professional excellence.

80%
Jelena (Trešnja)'s Career Path
Product Designer & FounderJan. 2026 -
Present
T-Shaped DesignProduct Designer & Founder
Serbia, BelgradeDelivering end-to-end product design for B2B, B2C and SaaS products, focusing on complex workflows, role-based systems, and data-heavy interfaces across web and mobile.
External Product Design CollaboratorDec. 2025 -
Present
Hurricane StudioExternal Product Design Collaborator
Serbia, Belgrade- Delivered end-to-end product design for multiple SaaS and B2B digital products across web and mobile. - Collaborated with product managers and engineers in cross-functional teams. - Redesigned GRNDHOUSE, a subscription fitness platform, across various platforms, including web app, iOS, Android, and marketing landing pages. - Created a luxury hospitality operations platform covering workflow...
UI/UX Designer (formerly Junior UI/UX Designer)Jul. 2022 -
May. 2024
App CraftersUI/UX Designer (formerly Junior UI/UX Designer)
Serbia, Belgrade- Designed and eventually managed product systems for Berry, a SaaS platform for HR practices. - Developed complex systems for time-off policies, hybrid work models, and organization-specific processes. - Implemented reporting features and improved the information architecture for both mobile and web platforms. - Maintained design system components consistently throughout various implementati...

Jelena (Trešnja)'s Posts

  • 2

    How I can help you

    I help teams design complex B2B and SaaS products - simplifying workflows, internal tools, and data-heavy systems. I design end-to-end flows that improve usability, reduce friction, and help teams work more efficiently.

  • 2

    People I am looking for

    Product teams, founders, and hiring managers building B2B or SaaS products - especially those dealing with complex workflows, internal tools, or data-heavy systems.

  • 2

    Experience & Cases

    Product Designer with 5+ years of experience in B2B and SaaS. I’ve designed complex workflows, internal tools, and data-heavy systems across HR, field service, and loyalty platforms - improving how teams operate and make decisions.

  • 2

    How to contact

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