I'm Nikolas Melles, a UX/UI Designer specialized in digital banking transformation. I define and execute UX strategy, manage design backlogs, and align cross-functional teams to deliver scalable, accessible, and customer-centric products. Currently, I'm leading mobile-first UX initiatives for a major Greek bank through Accenture, contributing to the evolution of its Design System and UX maturity. I bring a strong background in business and product thinking, bridging user needs with organizational goals.

Nikolas Melles

I'm Nikolas Melles, a UX/UI Designer specialized in digital banking transformation. I define and execute UX strategy, manage design backlogs, and align cross-functional teams to deliver scalable, accessible, and customer-centric products. Currently, I'm leading mobile-first UX initiatives for a major Greek bank through Accenture, contributing to the evolution of its Design System and UX maturity. I bring a strong background in business and product thinking, bridging user needs with organizational goals.

Available to hire

I’m Nikolas Melles, a UX/UI Designer specialized in digital banking transformation. I define and execute UX strategy, manage design backlogs, and align cross-functional teams to deliver scalable, accessible, and customer-centric products.

Currently, I’m leading mobile-first UX initiatives for a major Greek bank through Accenture, contributing to the evolution of its Design System and UX maturity. I bring a strong background in business and product thinking, bridging user needs with organizational goals.

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Experience Level

Expert
Expert

Language

English
Fluent
Greek, Modern
Fluent

Work Experience

UX/UI Designer – Digital Banking Transformation at Accenture
September 1, 2023 - Present
Led the end-to-end UX design of key mobile banking features (payments, dashboard, transactions), improving task completion rate and clarity across the app. Defined and optimized UX flows while coordinating delivery timelines with Product Owners to ensure alignment between business goals and user experience outcomes. Championed accessibility enhancements through the adoption of WCAG 2.1 standards, reducing friction and improving inclusiveness for all users. Contributed to the evolution of the Design System used across teams, ensuring cross-platform scalability, visual coherence, and faster design-to-development handoff. Collaborated in UX research and discovery sessions to translate insights into actionable design opportunities and product improvements.
Accountant / Accounting Department at Marine Automation Systems
January 1, 2022 - September 1, 2023
Managed daily accounting entries, supplier payments, and remote accounting operations. Prepared monthly financial reports and maintained supplier relationships. Supported payroll processes and ensured timely payments to suppliers, contributing to overall financial efficiency.
Payroll / Financial Administrator at HI PRO ELECTRONICS L.P
September 1, 2022 - Present
Ran monthly employee payroll, prepared financial reports, and maintained communications with the CEO to ensure timely payments to suppliers.
Volleyball Player at AEK Athletic Club
September 1, 2010 - Present
Professional athlete competing in Greek volleyball leagues, training rigorously and contributing to team performance.

Education

Bachelor in Department of Business Administration at University of Piraeus
September 1, 2014 - March 1, 2020
UX/UI Design Certification at CareerFoundry
April 1, 2022 - February 28, 2023

Qualifications

UX/UI Design Certification
April 1, 2022 - February 28, 2023

Industry Experience

Financial Services, Software & Internet, Professional Services