Lefkos Papapetrou
@lefkospapapetrou
I build React platforms, design systems, and full-stack products that ship.
CyprusWhat I'm looking for
At Odyssey Cybersecurity, I own frontend architecture for the ClearSkies enterprise security platform and the shared component library used across four products. I replaced a seven-layer architecture with a conventional React structure and help lead a three-developer frontend team through a legacy rewrite.
I previously owned the frontend for Medlo’s staffing and scheduling platform across 10+ regions in Sweden, shipping its original scheduling module, calendar features, and an automatic shift-to-staff assignment engine. I also built API endpoints, wrote Mocha tests, and designed the UI in a team without a designer.
Outside work, I ship full-stack products including AI tools, fintech PWAs, developer tooling, and e-commerce storefronts. My projects span React, Angular, Express, MongoDB, offline-first experiences, maps, WebSockets, and AI APIs.
Experience
Work history, roles, and key accomplishments
Lead Frontend Developer
Odyssey Cybersecurity
Jun 2025 - Present (1 year 3 months)
Lead frontend developer owning the architecture and component library for a security platform, leading a team of three through a legacy rewrite.
Education
Degrees, certifications, and relevant coursework
University of Cyprus
Bachelor of Science, Computer Engineering
2018 - 2021
Pursued a degree in Computer Engineering, leaving in the final year to work full-time as a frontend developer.
Availability
Location
CyprusAuthorized to work in
Website
lefkos.devSalary expectations
Job categories
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