Backend Engineer (Security)

TL;DR

Backend Engineer (Go/Ruby): Building and scaling security services for the Marketplace domain with an accent on member security and malicious actor prevention. Focus on transforming monolithic architectures into component-based services and ensuring high reliability for 80+ million users.

Location: Hybrid (Kaunas or Vilnius, Lithuania)

Salary: €3,558 — €4,808 EUR per month

Company

Europe’s leading platform for second-hand fashion connecting millions of members across 20+ markets.

What you will do

• Develop and maintain features within the Marketplace Security domain to ensure member safety.
• Decompose large monoliths into smaller, autonomous component-based services to promote team autonomy.
• Implement strategies for the prevention and mitigation of malicious actors on the platform.
• Monitor and optimize code reliability to support over 80 million users.
• Collaborate in cross-functional teams to shape security-focused product features.

Requirements

• Hands-on experience in software development or operations at scale.
• Commitment to writing clean, maintainable, and high-quality code.
• Proficiency in English for professional communication in diverse contexts.
• Must be based in or able to work from Kaunas or Vilnius, Lithuania

Nice to have

• Experience in the cybersecurity domain.
• Awareness of modern AI solutions to improve development effectiveness.

Culture & Benefits

• Share options programme and an annual individual learning budget.
• Hybrid work model with a home office furniture budget of up to €540.
• Private health insurance and mental health support through the Mindletic app.
• 25 working days of holiday and workation opportunities (up to 90 days per year).
• Dog-friendly office with gym and meals in Vilnius, or lunch allowance in Kaunas.