Backend engineer | Senior | Transition to Go | Saily
Warsaw
Saily – Backend - Saily /
Full Time /
On-site
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 150+ 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
- 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
- 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.
Extra days off
Enjoy additional vacation days off as you grow with us. Plus, get extra days for sick leave, special occasions, or parenting 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.
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