Backend Engineer

at Nord Security
📍 Warsaw, Poland
PLN 237,600-400,800 per year
MIDDLE SENIOR
✅ Hybrid

SCRAPED

Used Tools & Technologies

Not specified

Required Skills & Competences ?

Go @ 3 Kafka @ 3 Kubernetes @ 1 MySQL @ 3 Redis @ 3 SQL @ 3 R @ 3 NoSQL @ 3 AWS @ 3 Communication @ 3 PostgreSQL @ 3 API @ 3 Experimentation @ 3 Design Patterns @ 6 Cassandra @ 3

Details

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.

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 and 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.

Requirements

  • Experience working with Go (2+ years).
  • Strong understanding of system design and design patterns; know what patterns to use, when, and why.
  • Previous experience with Kubernetes and microservice architecture is a plus.
  • 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; willing to discuss, rethink, and redesign ideas to create shared success.

Tools

  • Go
  • MySQL
  • PostgreSQL
  • Cassandra
  • Redis
  • Kafka
  • Kubernetes
  • AWS

Salary

  • Gross salary: 19,800–33,400 PLN/month.

Benefits

  • Not specified.