Backend Engineer | Mid-Senior | Go | Saily

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.

Main Responsibilities

• Build a completely new sophisticated microservice system for the new eSim Product;
• 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
  
  
  
  
  

Core Requirements

• Experience working with Go (2+ years);
• 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:

• Go;
• MySQL;
• Kafka;
• Kubernetes;
• AWS;
• Redis;
  
  
  
  
  

Salary Range

• Gross Salary 19800-33400 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.

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].