08/05/2026 updated

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UX and Product Designer | Co-founder of 350life | 8 Years Experience

Logatec, Slovenia
Only remote
Logatec, Slovenia
Only remote

Profile attachments

Tim-Sfiligoj-Resume.pdf

User Experience (UX)User Interface DesignProduct DesignSoftware PrototypingUser-Centered DesignWebflow
UX Design
Expertise in information architecture, user flows, wireframes, and interactive prototypes. Extensive experience conducting competitive and market analysis, usability audits, discovery workshops, and stakeholder interviews to deliver user-centered digital products.

Product Strategy
Strong capability in scoping, prioritization, and roadmap tradeoffs, including defining what ships in v1. Proven track record of leading product decisions from pre-seed startups to national telecom and media companies across 10 countries.

AI Assisted Development
Hands-on experience shipping production applications using AI assisted development with Claude Code. Ability to build and release mobile apps to the App Store and Google Play, cutting typical build timelines from months to weeks.

Frontend Build Technologies
Practical knowledge of Next.js, React, Tailwind, Expo, Supabase, Firebase, RevenueCat, and Webflow for building and shipping production-ready digital products.

Design Tools
Proficient use of Figma, FlutterFlow, and Framer for UI and UX design work, complemented by analytics and session recording tools for data-informed design decisions.

Conversion and Funnel Optimization
Skilled in funnel mapping, onboarding and activation flow design, and drop-off analysis to improve user engagement and product performance.

Remote Team Leadership and Delivery
Experienced in leading remote teams, collaborating with developers, and managing client communication in English across US and European time zones.

Pipeline Automation
Built internal studio tooling including lead scoring and pipeline automation using Python, scheduled jobs, and an LLM scoring layer feeding into a live pipeline sheet.

Languages

EnglishFluentCroatianGoodSlovenianNative speaker

Project history

UX Designer and Product Reviewer

Benson (Y Combinator W22, New York)
Ongoing engagement of 2 years. UX design and product review for a voice-first retail investing app. Covering flow logic and whether the build actually solves the user problem. Contributed to the embedded web application front end alongside the iOS and backend teams.

Co-founder and CEO

350life
Lead UX and product design across every studio engagement, owning discovery, structure, and product decisions. Delivered work for more than 80 clients in 10 countries, from pre-seed startups to national telecom and media companies. Built and shipped production applications using AI assisted development. Holds a 5.0 rating on Clutch.

Chief Operating Officer

Space Guardian
Concurrent role in Slovenia. Operations and product leadership for a space-tech venture focused on collision avoidance marketplace for satellites, winner of the 8th CASSINI Hackathon. Responsible for translating a technically complex product into something satellite operators and investors can both understand. Brand and web app design delivered through 350life.

UX Designer

RealRoots (Y Combinator S25, San Francisco)
Mobile app UX design and implementation for a social product helping women build meaningful friendships. Handled website UX, Webflow build and Firebase functions. Overnight turnaround cycles from concept to working screens.

UX and Product Designer

Kinetic Medical
UX and product design for an AI powered 3D movement analysis application. Complex clinical data presented in a way that both practitioners and patients can act on.

UX Lead

Mailena Wellness Resort (Mexico)
UX lead on a luxury resort digital experience positioned alongside Aman and Four Seasons. Multi-phase engagement covering brand landing experience, booking flow and full guest journey.

UX Reviewer

Local marketplace platform (US, name withheld)
Fixed-scope UX review of a two-sided marketplace product, focused on mobile experience, onboarding drop-off and alignment between the product and its actual target customer.

UX Designer

Bettershot (Denver)
UX refinement and website design for an AI portrait generation product. Identified onboarding friction the founding team had not spotted and redesigned the flow around it.

UX and Product Designer

KeepTech and FormBot (Atlanta)
UX and product design for a connected vehicle security app and a no-code form builder. Long-running relationships across multiple products with the same founding team.

UX Designer

Enterprise and public sector, Slovenia
UX work for Telekom Slovenije, RTV Slovenija (MMC), Spica, T-2, Direct4me and Go2insure.

Designer and Builder

Lansia (iOS and Android)
A daily goals app built around five tasks a day and no streak pressure. Designed with co-founder, built entirely using Claude Code in roughly two weeks, and released to both the App Store and Google Play. Built with Expo, Supabase and RevenueCat. Released 2026.

Builder

350life (Internal)
Built the studio's own lead scoring and pipeline automation using Python, scheduled jobs and an LLM scoring layer feeding into a live pipeline sheet.

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