Mobile Engineer | Senior | iOS

Nord Security; Warszawa; On-site; PLN 140,000 - 210,000; Full time

Benefits offered by this job

Work from anywhere

Private health insurance

Multisport card

Team events

Job summary

Nord Security is seeking an experienced iOS Engineer to join the NordLocker team. You will develop and maintain an iOS app using a 100% Swift codebase, collaborating with multi-disciplinary teams to deliver secure, high-quality software for a global product.

You will work within an Agile environment, apply DI, modern Swift concurrency, and various architectures to drive features from concept to production, with a strong ownership mindset and emphasis on code quality.

Qualifications

• Strong commercial experience in iOS development.
• Knowledge of DI approaches and protocol-oriented programming.
• Swift concurrency with async/await.
• Experience with MVVM, VIPER, or similar architectures.
• Understanding of CI/CD and automated testing.
• Experience working in Agile environments.
• Git proficiency and collaboration in code reviews.
• Deep knowledge of native iOS memory management.
• Ability to drive features from concept to production.

Responsibilities

• Collaborate with developers, QA, Engineering Manager, and Product Owner to build the iOS app for a global product.
• Develop and maintain iOS applications in a fast development cycle; suggest improvements.
• Coordinate APIs provided by supporting teams.
• Use 100% Swift codebase.
• Select tools to ensure high-quality code.
• Contribute to technical tasks, feedback forms, and technical interviews.
• Participate in code reviews, pair programming, and design meetings.
• Implement unit tests to ensure reliability.

Skills

iOS development

Swift

DI approaches

Protocol-oriented programming

Modern concurrency (async/await)

MVVM/VIPER/Clean Swift

Coordinators

CI/CD

Agile

Git

Memory management

Ownership & accountability

Tools

Xcode

CI/CD tooling

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.

Main Responsibilities

• Together with the team of developers, QA, Engineering Manager, and a Product Owner work on building iOS app for a global product;
• Develop and maintain application for iOS platform in a fast development cycle - ideas for improvement are always welcome;
• Coordinate APIs provided by supporting teams;
• Use 100% Swift codebase;
• Select the best tools to ensure the excellent quality of the code;
• Contribute to technical tasks, feedback forms, and technical interviews;
• Participate in code reviews, pair programming, and product/design meetings;
• Implement unit testing to ensure code reliability and functionality.

Core Requirements

• Strong commercial experience in software development for the iOS platform;
• Knowledge of DI approaches, Protocol-oriented programming, modern concurrency in Swift (async/await);
• Experience with modern architecture approaches (MVVM, VIPER, Clean Swift, Coordinators etc.);
• Understanding of Continuous Integration and Continuous Delivery;
• Know how to work in an Agile product development environment;
• Git knowledge and a sharp eye for design changes;
• Deep understanding of the native mobile app ecosystem and memory management;
• Analytical thinking and problem-solving skills;
• Experience in leading technical discussions and actively contributing to work improvements, processes, and engineering conversations within a team;
• Strong sense of ownership mindset with the ability to drive features from concept to production;
• Takes accountability for commitments and proactively communicates risks and blockers;
• Consistently delivers high-quality work while balancing technical excellence with execution.

Bonus Points For

• Familiarity with Cryptography (OpenSSL, CryptoKit);
• Experience with Feature Flags.

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.

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.

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.