Nordsec
Nordsec29d ago

Frontend Engineer | Senior | React | Saily

Vilnius · VilniusFull Timesenior
EngineeringFrontend EngineeringFrontend Engineer
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Quick Summary

Overview

At Saily, we’re removing the hassle of staying connected while traveling — no roaming fees, no plastic SIM cards, just lightning-fast, secure mobile data in 200+ destinations.

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EngineeringFrontend EngineeringFrontend Engineer

At Saily, we’re removing the hassle of staying connected while traveling — no roaming fees, no plastic SIM cards, just lightning-fast, secure mobile data in 200+ destinations. Saily has millions of paying customers and hundreds of thousands travelers browsing through Saily at any given moment.

To build the best product for our customers we foster AI-native Product Engineering culture, where:

- The Engineer is the builder, who is responsible for solving customer problems end-to-end (idea to production)
- AI Agents are the enablers who write most of the code and solve repeatable  tasks to  help the Engineers  maximize their impact
- Everyone contributes to making Saily effective by suggesting new areas for improvement to delegate to agents and then implementing the changes
- Curiosity, learning and sharing are everyone's responsibility
- Customer, having a comfortable, connected, hassle-free journey is never lost from the focus

We value growth over comfort, contribution over hierarchy, and impact over process. At Saily, we believe in giving sharp people context, autonomy, and AI as their multiplier to allow them to just do their best work.
  • Build a framework to support blazing-fast web pages - think of sub-second loading times.
  • Create features to support layers of multi-dimensional personalization, A/B experimentation, and analytics via CloudFlare Workers and your custom-built platforms.
  • Develop and maintain a high-quality code base.
  • Seek to improve web performance constantly.
  • Mentor colleagues on web development best practices & provide technical guidance.
  • Proven development experience working with JavaScrip and TypeScript (4+ years).
  • Experience with React framework.
  • Deep knowledge of web development, testing, and performance optimization best practices.
  • Proven experience in developing high-quality, high-performance front-end web applications that run at scale.
  • Team spirit, proactivity, and ability to work in a fast-paced environment.
  •  
  • Please keep in mind that this position requires office attendance 3 times a week!
  • Fullstack experience.
  • Frontend: Next.js, React.js, TypeScript, GraphQL, Tailwind CSS, Cloudflare Workers
  • Backend: Go, MySQL, Kafka, Docker, Kubernetes, AWS, Redis
  • IOS: SwiftUI, Xcode, Combine, SPM, MVVM Architecture
  • Android: Kotlin, Android Studio, Hilt, Coroutines, Jetpack Compose, MVVM Architecture
  • AI tools: Claude Code, OpenAI Codex, OpenCode, Cursor with Composer
  • Gross Salary: 3200 EUR-7000 EUR/month
  • Listing Details

    Posted
    March 24, 2026
    First seen
    March 26, 2026
    Last seen
    April 22, 2026

    Posting Health

    Days active
    27
    Repost count
    0
    Trust Level
    25%
    Scored at
    April 22, 2026

    Signal breakdown

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    Employees
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    NordsecFrontend Engineer | Senior | React | Saily