Android Engineer | Mid-Senior | Kotlin | Saily

TLDR

Join a team innovating cybersecurity tools that support millions of users globally while contributing to Saily, a top-rated eSIM service recognized by industry experts.

At Saily, we’re removing the hassle from getting secure data plans while traveling. No roaming charges, no plastic SIM cards. Just fast, secure mobile data in 200+ countries. Join the team behind Lonely Planet’s #1 eSIM—built for explorers, powered by NordVPN. Your impact? Helping people stay securely connected, wherever they go. Come aboard with Saily, our new eSIM service designed for travelers and explorers! We’re bringing our expertise in cybersecurity to an essential product that makes travel effortless and more sustainable while cutting out surprise roaming costs. And we’re already making waves, earning praise from trusted travel experts and tech reviewers: Lonely Planet has named Saily, their go-to eSIM for travelers, and PCMag.com has rated it an “Excellent” product! Join the Saily crew to build technology that connects the world while gaining global recognition. Main Responsibilities
  • You will contribute as a team member to the development effort for Saily for Android devices. This includes interacting with our existing backend REST APIs, providing feedback based on mobile needs, and working with our web, backend, and UX teams to build new features and enhance the quality of existing ones. You will also coordinate with our Product Owners and QA/Support team to ensure our Android app consistently retains a high standard of quality.
  • Debug and resolve issues reported by users and internal testing teams.
  • Be a part of a growing development team that consists of engineers with a Kotlin background and QAs.
  • Stay up to date with cutting-edge tools, patterns, and methodologies to ensure excellent quality of the code. It’s all about that code!
  • Drive the adoption of AI across mobile platform and our broader tech stack. You will be the one auditing the AI landscape, baking it into our daily workflows and refactoring our project structures so agentic coding actually feels seamless.

  • Core Requirements
  • 3+ years of extensive Android development.
  • Fluent with Kotlin, MVVM Clean architecture, Room or SQLite databases, and reactive programming libraries such as Coroutines.
  • Knowledge of the latest trends and libraries in the Android ecosystem, such as Jetpack Compose and Hilt.
  • Debug and resolve issues reported by users and internal testing teams.
  • Experience with debugging tools and solving problems reported by users.
  • Experience in writing unit and UI tests.
  • Excellent knowledge of Android APIs and SDK.
  • Experience working with large codebases.
  • Bonus Points For
  • Networking knowledge and previous experience in developing telecommunication solutions.
  • Experience with the agile methodology.
  • Don't worry if you don't tick all the boxes we would still be interested in hearing from you!
  • Tools You Will Use
  • Kotlin
  • Android Studio
  • Hilt
  • Coroutines
  • Jetpack Compose
  • Salary Ranges
  • Gross Salary 19,400- 33400 PLN/month
  • What We Offer

    Innovate with industry leaders
    Work alongside global experts to build world-leading cybersecurity tools, impacting millions of users around the world.

    Learn & grow
    Boost your skills via our extensive training programs (online and offline) & other resources. Benefit from mentorship and career-switch opportunities to grow within the company. 

    Hybrid work
    Enjoy the flexibility with 3 office days and working from home for the remaining 2.

    Work from anywhere
    Recharge with a change of scenery – choose work from any location when you feel a need to power your creativity and drive. 

    Physical well-being
    Fuel your active lifestyle with online workouts led by our Physical Well-Being experts. Unlock a variety of sports and wellness facilities, like gyms, swimming pools, and fitness classes, with the Multisport card.  

    Mental & emotional health
    Nurture your mind with free psychologist consultations, dedicated mental health events, and premium access to top-rated wellness apps like Calm, Headspace, and Mindletic.

    Premium healthcare
    Receive private health insurance giving you peace of mind for your health needs.
     
    Joyful moments – special treats
    Celebrate life’s big moments with special gifts from us on your birthday, anniversary, and other major events, such as weddings or the arrival of a new family member. 

    Company events & team-building
    Experience iconic Nord Security celebrations, team-buildings, and knowledge-sharing events, nurturing bonds that fuel our success.

    Workation
    Embark on a legendary company getaway abroad, filled with exciting activities, live concerts, engaging workshops, and epic time together.

    Kindly refer to our Privacy Notice for Recruitment Candidates for comprehensive information regarding our data handling procedures throughout recruitment processes: https://bit.ly/40GWyjL

    We expect all candidates to provide accurate and complete information during the recruitment process. While limited use of AI tools to refine application materials is acceptable, candidates remain fully responsible for ensuring that their submissions reflect their own qualifications, skills, and experience. Any failure to do so may negatively affect participation in the recruitment process. If broader AI assistance is allowed for a particular role or stage, we’ll let you know in advance.

    By submitting your application, you acknowledge that it may be processed using automated tools for evaluation purposes. As part of our recruitment process, we may use an AI-based application review tool to help assess applications based on skills and experience relevant to the role. This technology is used to support - not replace - human decision-making, and every application is ultimately reviewed by a recruiter.
    If you would like more information about how AI is used in this process or wish to exercise your rights under applicable data privacy laws, please contact us at [email protected]. Should you prefer to opt out of the automated evaluation, please submit your application directly to [email protected].

    Benefits

    Education Stipend

    Boost your skills via our extensive training programs (online and offline) & other resources. Benefit from mentorship and career-switch opportunities to grow within the company.

    Flexible Work Hours

    Enjoy the flexibility with 3 office days and working from home for the remaining 2.

    Health Insurance

    Receive private health insurance giving you peace of mind for your health needs.

    Workation

    Embark on a legendary company getaway abroad, filled with exciting activities, live concerts, engaging workshops, and epic time together.

    Remote-Friendly

    Recharge with a change of scenery – choose work from any location when you feel a need to power your creativity and drive.

    Multisport card access

    Fuel your active lifestyle with online workouts led by our Physical Well-Being experts. Unlock a variety of sports and wellness facilities, like gyms, swimming pools, and fitness classes, with the Multisport card.

    Nord Security builds advanced digital security and privacy solutions, including services like NordVPN and NordPass, aimed at protecting both individuals and businesses around the globe. With a focus on empowering users to take control of their online safety, our products are trusted by millions for secure browsing, data protection, and identity theft prevention.

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    Salary
    19 400 zł – 33 400 zł per month
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