Jaka Fefer

Worked as Wind Tunnel Instructor at AERODIUM Logatec.

Real energy-backed yield infrastructure (RWA), early-stage. Own design end to end.

Rebuilt the brand and visual identity. Set up the Figma design system. Helped with website development and defined AI-adjacent design workflows. Day to day also covers marketing collateral, motion, pitch decks and print.

As the company moves into product, I own UX, research and prototyping.

Hekarna is a grassroots entrepreneurship community connecting founders, IT professionals, and business stakeholders in our local town.

Co-founded the organization and built the entire creative operation from the ground up. Designed the brand identity, developed the website, photograph all events, and produce all social media graphics. Co-organize regular events, roundtables, and workshops that ha

Co-organize the Slovenian Ethereum community meetups. Own the brand, website, event visuals and photography.

Web3 product and design studio. Wound down Dec 2025.

Co-founded and ran design for 20+ client projects across DeFi, infrastructure and data-heavy products.

Led discovery workshops and design sprints, turning vague client briefs into product direction and roadmaps.

Designed several zero-to-one products with modular design systems built for fast implementation.

Managed up to five client enga

Decentralized research and collaboration platform, early-stage.

Owned product design end to end and contributed to roadmap decisions.

Built a token-driven Figma design system (typography, color, spacing, dark/light theming).

Cut design-to-development friction by ~30% with responsive component architecture and production-aligned prototypes.

Restructured core flows for complex graph-based intera

DeFi perpetual trading platform, early-stage.

Designed the high-risk transaction flows for leveraged trading, where every action is financially irreversible. Confirmation patterns and risk communication.

Increased onboarding completion by ~40% with structured education and a sandbox before live trading.

Ran usability testing with 50+ participants on interactive prototypes and shipped the findin

Gamified mobile app teaching students verbal self-defense against bullying.

Led UI/UX for a young audience. Worked with child psychologists and educators on the content. Ran user testing with students and iterated on the results.

Crypto-native launchpad and web3 builder toolkit, early-stage.

Joined at inception as the first product designer. Defined core UX flows and the UI system through launch.

Designed crypto-native flows for experienced users while keeping friction low for less technical participants.

Took over the Scrum Master role. Sprint planning, backlog grooming and coordination between design and engineerin

Web3 and digital products studio.

Designed UX and UI across multiple decentralized apps and turned user feedback into iterations.

Managed design and delivery across four concurrent projects.

Primary bridge between engineering and business stakeholders, unblocking day-to-day decisions.

Audited outsourced development reports against actual frontend effort, which led to a contract renegotiati

Taking care of most graphical related tasks in X8C cryptocurrency marketing agency. Most of the time, requirements are GIF/video manipulation like motion tracking and use of other VFX effects, sticker design, logo design, banner creation, photo/picture manipulation etc. All of this is achieved with software like Adobe After Effects, Photoshop and Illustrator. All of this material is then used to b

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Mar 2020