Nord Security

Backend Engineer | Mid-Senior | Go | Saily

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Job Description



Main Responsibilities
  • Build a completely new sophisticated microservices 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
  • Use AI agents for specifications, coding, analysis, testing, and iteration
  • 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 (4+ 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
  • Strong product mindset: focus on problems, outcomes, and impact—not just tickets or tasks
  • You are curious about AI and excited to work with agents

  • Tools You Will Use
  • Go
  • MySQL
  • Kafka
  • Kubernetes
  • AWS
  • Redis
  • AI tool like Copilot Cursor

  • Salary Range
  • Gross salary: 19,800 — 33,400 PLN/month