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
Main Responsibilities
- Enhancing the Saily product by developing and maintaining new features.
- Create features to support layers of multi-dimensional personalization, A/B experimentation, and analytics.
- Develop and maintain a high-quality codebase.
- Seek to improve code and performance constantly.
- Mentor colleagues on development best practices & provide technical guidance.
- Exercise influence on the overall vision and long-range goals of your team.
- Perform R&D operations whenever required.
- Work as part of a cross-functional team and help to ensure smooth communication between all team members.
- Collaborate with engineering, product, and design professionals from other teams.
- Please keep in mind that this position requires office attendance 3 times a week!
Core Requirements
- Over 4 years of experience in backend development.
- Preferably with a background in Python, PHP, or Ruby languages.
- System design is nothing new to you, and you know what patterns to use, when, and why.
- Previous experience in working with K8s and microservice architecture is a plus.
- Previous experience with SQL (MySQL, PostgreSQL) and NoSQL (Cassandra, Redis) solutions.
- Previous experience with Kafka.
- Passionate about building APIs that are easy to use and simple to understand.
- A collaborative mindset where you love to discuss, rethink, and redesign your ideas that create shared success within your team and the company.
Tools You Will Use
- Backend: Go, MySQL, Kafka, Docker, Kubernetes, AWS, Redis
- Frontend: Next.js, React.js, TypeScript, GraphQL, Tailwind CSS, Cloudflare Workers
- 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
Salary Range
- Gross Salary: 19800-33400 PLN/month.
Top Skills
What We Do
Nord Security is one of the world’s leading providers of digital security and privacy solutions for businesses and individuals. We are a home for advanced security solutions that share the Nord brand and values. Today, our products are used by millions of customers worldwide and praised by all the major cybersecurity experts and top media outlets. Since 2012, we have been creating and building award-winning products: NordVPN - the fastest VPN on the planet, built to protect your online traffic and privacy with next-generation encryption. NordLayer - an adaptive network access security solution for modern businesses, helping organizations to fulfill scaling and integration challenges. NordPass - a password manager designed with the user in mind, from simplicity to security. Built using zero-knowledge encryption. NordLocker - a powerful end-to-end encryption tool for safely storing and sharing files. Comes with secure cloud storage. Our community of cybersecurity experts, software developers, engineers, data analysts, and other tech professionals share one common goal – create a safe cyber future for everyone. Explore our open positions here: https://nordsecurity.com/careers Or refer a friend or colleague: https://nordsecurity.com/referrals Learn about our Privacy notice for recruitment candidates here: https://bit.ly/3mJFoAy







