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Hi, I’m Kateryna Tkachenko, a Principal/Lead UX Designer based in Portugal. I specialize in user-centered design for SaaS, CRM, and e-commerce, leading cross-functional teams and aligning stakeholders with business goals and technical feasibility. I’m passionate about turning complex data and processes into intuitive, delightful experiences, mentoring designers, and driving measurable business results. Over the past six years, I’ve built brands and digital products from concept to launch, worked with clients worldwide, and refined design systems to deliver scalable solutions.…Hi, I’m Kateryna Tkachenko, a Principal/Lead UX Designer based in Portugal. I specialize in user-centered design for SaaS, CRM, and e-commerce, leading cross-functional teams and aligning stakeholders with business goals and technical feasibility. I’m passionate about turning complex data and processes into intuitive, delightful experiences, mentoring designers, and driving measurable business results. Over the past six years, I’ve built brands and digital products from concept to launch, worked with clients worldwide, and refined design systems to deliver scalable solutions.

Kateryna Tkachenko

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Hi, I’m Kateryna Tkachenko, a Principal/Lead UX Designer based in Portugal. I specialize in user-centered design for SaaS, CRM, and e-commerce, leading cross-functional teams and aligning stakeholders with business goals and technical feasibility. I’m passionate about turning complex data and processes into intuitive, delightful experiences, mentoring designers, and driving measurable business results. Over the past six years, I’ve built brands and digital products from concept to launch, worked with clients worldwide, and refined design systems to deliver scalable solutions.…Hi, I’m Kateryna Tkachenko, a Principal/Lead UX Designer based in Portugal. I specialize in user-centered design for SaaS, CRM, and e-commerce, leading cross-functional teams and aligning stakeholders with business goals and technical feasibility. I’m passionate about turning complex data and processes into intuitive, delightful experiences, mentoring designers, and driving measurable business results. Over the past six years, I’ve built brands and digital products from concept to launch, worked with clients worldwide, and refined design systems to deliver scalable solutions.

Available to hire

Hi, I’m Kateryna Tkachenko, a Principal/Lead UX Designer based in Portugal. I specialize in user-centered design for SaaS, CRM, and e-commerce, leading cross-functional teams and aligning stakeholders with business goals and technical feasibility.

I’m passionate about turning complex data and processes into intuitive, delightful experiences, mentoring designers, and driving measurable business results. Over the past six years, I’ve built brands and digital products from concept to launch, worked with clients worldwide, and refined design systems to deliver scalable solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Ukrainian

Fluent

English

Fluent

Portuguese

Beginner

Work Experience

Senior UX/UI Designer at ArtJoker ÖU

August 1, 2023 - Present

Working in a design studio allowed me to manage multiple projects simultaneously, onboard new designers, and mentor team members effectively. I participated in various projects across different fields, which significantly broadened my knowledge and experience.

UX Tutor at CareerFoundry

August 1, 2021 - Present

I am supporting students on their path to UX careers by checking their homework and providing them with additional resources. Teaching others has always been my hobby and passion.

UX Designer at ELEKS

July 31, 2023 - August 12, 2025

I was working for a huge American bank (BNYM) designing a system for data analytics that allows working with different kinds of data. My focus was on collaborating with PMs to collect requirements, designing new parts of the platform, managing the design team, and contributing to the design system.

User Experience Designer at Ework Group

June 30, 2021 - August 12, 2025

I was hired to design a CRM admin panel for the support team. My main focus was on collaborating with the design and BA teams and delivering end-to-end flows of user interactions. I also prepared designs for development and worked on the informational architecture of the platform.

Principal/Lead UX Designer at Art Joker OÜ

August 3, 2023 - November 18, 2025

Led a cross-functional design team of three UI/UX designers and managed 8–10 projects simultaneously, ensuring consistent delivery quality and smooth collaboration. Improved team workflow by introducing structured design reviews and clearer documentation, reducing back-and-forth clarification with stakeholders by 20–25% and accelerating approvals. Maintained a strong user-centered approach, ensuring deliverables align with business goals and technical constraints.

UX Tutor at CareerFoundry

August 1, 2021 - November 18, 2025

Supported aspiring UX/UI professionals by evaluating 20–40 assignments per month and providing actionable feedback to accelerate growth. Curated learning resources that improved student project quality and reduced repeated mistakes by 25–30%, focusing on design thinking, research methods, and practical UI skills to help students progress toward industry-ready competency.

Freelance Designer at Upwork

July 1, 2020 - November 18, 2025

Recognized as a Top Rated Designer with extensive experience building brands from the ground up and elevating mature digital products. Worked with 30–40 international clients across the U.S., U.K., Germany, Switzerland, Malaysia, and beyond, consistently maintaining a 95–100% job success rating. Delivered projects 10–20% faster than initial estimates through optimized workflows, and managed full design operations—from briefing to final delivery—without missed deadlines.

Senior UX/UI Designer at ELEKS

July 31, 2023 - July 31, 2023

Designed a large-scale data analytics platform for one of the world’s leading financial institutions, operating within a strict regulatory and compliance environment. Collaborated closely with product managers through 30+ requirement refinement sessions to translate complex data interactions into clear, intuitive user interfaces. Conducted iterative usability testing with 15–20 internal users, reducing task completion time across key workflows by approximately 20%. Ensured accessibility compliance by running WCAG audits and resolving 90% of reported issues before development handoff. Maintained continuous alignment with engineering and compliance teams through weekly syncs, ensuring all design decisions met security, data-handling, and regulatory standards.

UX/UI Designer at Ework Group

June 1, 2021 - June 1, 2021

Designed a CRM admin platform for the internal support team, improving task management efficiency by 25%. Collaborated with design and business analysis teams through 10+ workflows to deliver end-to-end user flows, development-ready UI, and a scalable information architecture. Conducted tree testing with 15–20 users, resulting in a 30% reduction in navigation errors. Established and maintained a design system of 200+ components, ensuring consistency and faster delivery across all screens.