Senior Android Engineer

Nordsec; United States; Hybrid; USD 51,000 - 95,000; Full time

Benefits offered by this job

Hybrid work 3/2

Private healthcare

Mental health support

Company events

Work from anywhere

Job summary

NordLocker is building encrypted cloud storage with a privacy-first approach. The Mobile department prioritizes innovation and cross-team collaboration to deliver improvements—from UI elements to new features. Responsibilities include documenting APIs, maintaining tests, and optimizing performance across the Android stack.

We offer a hybrid work model with 3 days in the office and 2 remote, plus extensive benefits aimed at wellbeing, career growth, and industry leadership in cybersecurity.

Qualifications

• 5+ years of experience in developing Android Apps.

Responsibilities

• Write technical documentation and RFCs.
• Ensure quality with unit testing.
• Debug and optimize application performance.
• Monitor and analyze app performance post-release to guide future improvements.

Skills

Android

MVVM/MVI

Memory management

Unit testing

SQLite/Room

Retrofit/OkHttp

Performance profiling

Analytical thinking

Team leadership/mentoring

Tools

Retrofit

OkHttp

SQLite

Room

Jetpack Compose

Job description

At NordLocker, we’re building encrypted cloud storage that puts privacy first.

We make it easy to store, sync, and share files—without exposing them to anyone else. Join the team behind a zero-knowledge platform that secures people’s data from their devices to the cloud.

Your impact? Helping people safeguard their data assets—privately, securely, and on their terms.

The Mobile department believes in constant improvement and innovation, so it takes the initiative to refine all products at every stage. We’re actively involved in all phases of development with other teams to obtain the best outcomes – from the simplest UI elements to innovative features.

The Mobile department believes in constant improvement and innovation, so it takes the initiative to refine all products at every stage. We’re actively involved in all phases of development with other teams to obtain the best outcomes – from the simplest UI elements to innovative features.

Main Responsibilities

• Write technical documentation and RFCs;
• Ensure quality with unit testing;
• Debug and optimize application performance;
• Monitor and analyze app performance post-release to guide future improvements.

Core Requirements

• 5+ years of experience in developing Android Apps;
• Experience with modern architecture patterns (MVVM, MVI, etc.);
• Deep understanding of the Android ecosystem (APIs and SDK);
• Knowledge of memory management, profiling tools, and performance optimization techniques.
• Knowledge about data management (SQLite, Room, Retrofit, OkHttp, etc);
• Proficiency in unit testing;
• Analytical thinking and problem-solving skills;
• Leads technical discussions and engineering conversations within a team;
• Active contribution to work and processes improvements.

Bonus Points For

• Experience with file management on Android;
• Experience with Feature Flags;
• Experience with Jetpack Compose;
• Interest on Cybersecurity.

Salary Range

• 18000 - 33400 PLN gross per 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.
• 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.