Hi, I'm Marija

Product Designer

Designing FinTech, Web3, and data-rich web and mobile apps

I deliver thoughtful, high-quality experiences that simplify user journeys and drive measurable business value.

Consumer card app — card balance of $11,322.49 and a geometric crypto credit card. UBS Digital Banking — Accounts & cards overview with balances and expenses. Celsius Loans — loan calculator and crypto-backed borrowing screens. Bizzllet — business treasury dashboard with balances and summary. Apex Fusion Reputation System dashboard — total score 4.4 and weekly activity.
UBS Digital Banking · Enterprise 2018 - 2019
10+ years experience
Fintech · Crypto · Complex products
B2B & B2C products
From startups to enterprise
End-to-end product design
Strategy → UX → UI
Based in Serbia
Available worldwide

Selected product work

Four projects that reflect how I approach product design, collaboration, and problem-solving.

Services

Let's connect
Product design — Celsius product vision, personas and user journey board
01

Product Design

From research and strategy to UX/UI design, prototyping, and development.

Outcome: Intuitive, development-ready web and mobile apps.

UX audit — annotated UBS e-banking specs
02

UX Audit

Identifying usability issues, understanding their causes, and finding opportunities for improvement.

Outcome: Clear findings and actionable recommendations.

AI-assisted development — CeUM Choices and Consequences platform
03

AI Product Building

Designing and building functional apps with AI tools, independently or with developers.

Outcome: Working apps ready for testing and iteration.

What I bring

Product Design
  • Product Strategy
  • Product Discovery
  • UX Research
  • Interaction Design
  • UI & Visual Design
  • Prototyping & Testing
  • Design Systems
Industry Experience
  • Fintech & Banking
  • Crypto / Web3
  • Wallets / DeFi
  • Payments & Lending
  • B2B / B2C
  • SaaS
  • Consumer & Educational Apps
Additional Expertise
  • Branding & Identity
  • Art Direction
  • AI-assisted Development
How I Work
  • Zero-to-One & Scaling Products
  • Startups & Enterprises
  • Small & Large Teams
  • Complex Systems
  • End-to-end Ownership
  • Cross-functional Collaboration

What people say

It is rare to find a Product designer as professional and talented as Marija who also deeply understands engineering. She creates elegant solutions that deliver premium UX and technical feasibility at the same time.
Vladimir Lelićanin
CTO at Rememberr · SAE Head of Web Dept ·
Apex Fusion Core Contributor
When I was a scared junior, Marija was the one who listened, encouraged me, and provided all the support I needed. Her mentorship and dedication to my growth as a designer is the reason I still love and fight for design.
Jana Škobić
UX/UI Designer · Melograno Venture Studio
I can't recommend Marija enough. 🌸
Đorđe Obradović
Founder of GIO · Brand, Positioning & Marketing Strategy