I'm Katerina Vassiliou, a Junior Software Developer with a passion for building full-stack applications and UX-driven design. At GivEnergy Software, I contribute across the entire development lifecycle, collaborating with product managers, designers, and QA engineers to translate requirements into responsive, accessible, and visually refined experiences. Starting in QA, I gained hands-on experience with testing practices and reliability, which informs my user-centered approach. My work includes wireframing in Figma, UI system design for IoT and consumer apps, and improving authentication flows, CI/CD pipelines, and monitoring to support reliable, scalable software.

Katerina Vassiliou

I'm Katerina Vassiliou, a Junior Software Developer with a passion for building full-stack applications and UX-driven design. At GivEnergy Software, I contribute across the entire development lifecycle, collaborating with product managers, designers, and QA engineers to translate requirements into responsive, accessible, and visually refined experiences. Starting in QA, I gained hands-on experience with testing practices and reliability, which informs my user-centered approach. My work includes wireframing in Figma, UI system design for IoT and consumer apps, and improving authentication flows, CI/CD pipelines, and monitoring to support reliable, scalable software.

Available to hire

I’m Katerina Vassiliou, a Junior Software Developer with a passion for building full-stack applications and UX-driven design. At GivEnergy Software, I contribute across the entire development lifecycle, collaborating with product managers, designers, and QA engineers to translate requirements into responsive, accessible, and visually refined experiences.

Starting in QA, I gained hands-on experience with testing practices and reliability, which informs my user-centered approach. My work includes wireframing in Figma, UI system design for IoT and consumer apps, and improving authentication flows, CI/CD pipelines, and monitoring to support reliable, scalable software.

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Experience Level

Expert
Expert
Expert
Expert
Expert

Language

English
Fluent

Work Experience

Junior Software Developer | Full Stack & UX Focus at GivEnergy Software Ltd
December 1, 2025 - December 1, 2025
At GivEnergy Software, I contributed across the full development lifecycle, combining full-stack engineering with design-led, user-centred thinking. I collaborated with product managers, designers, and QA engineers to translate requirements into responsive, accessible interfaces. Starting in QA, I gained hands-on experience in testing practices and reliability, which informs my approach to UX and development. Notable achievements include wireframes and prototypes in Figma, redesigning the SSO login during a major rebrand for accessibility and consistency, leading full-stack development of a bank service with Stripe webhooks for address verification, delivering UI systems for IoT and consumer apps, establishing a design system with actionable microcopy, and optimising CI/CD pipelines and monitoring for reliability.

Education

BSc Digital Technology Solutions at University of Staffordshire
October 1, 2024 - November 12, 2025

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Education, Professional Services, Manufacturing, Media & Entertainment