Senior Backend Engineer

at Nord Security
📍 Vilnius, Lithuania
EUR 57,100-86,400 per year
SENIOR
✅ Hybrid

SCRAPED

Used Tools & Technologies

Not specified

Required Skills & Competences ?

Go @ 4 Kafka @ 4 Kubernetes @ 1 MySQL @ 4 Redis @ 4 Ruby @ 4 Python @ 4 SQL @ 4 R @ 4 NoSQL @ 4 AWS @ 4 Communication @ 4 PHP @ 4 PostgreSQL @ 4 API @ 4 Experimentation @ 4 Design Patterns @ 4 Cassandra @ 4

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.

Come aboard with Saily, our new eSIM service designed for travelers and explorers! We’re bringing our expertise in cybersecurity to an essential product that makes travel effortless and more sustainable while cutting out surprise roaming costs.

As Saily continues to grow rapidly, we’re seeking Senior Backend Developers interested in transitioning to Golang from other backend languages. If you’ve been curious about Golang or waiting for the perfect moment to make the switch, this is your chance to dive into Go and make a real impact on Saily.

Responsibilities

  • Enhance 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; continually seek to improve code and performance.
  • Mentor colleagues on development best practices and provide technical guidance.
  • Influence 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 ensure smooth communication between team members.
  • Collaborate with engineering, product, and design professionals from other teams.

Requirements

  • Over 4 years of experience in backend development.
  • Preferably a background in Python, PHP, or Ruby.
  • Solid knowledge of system design and design patterns — you know what patterns to use, when, and why.
  • Previous experience with Kubernetes (K8s) and microservice architecture is a plus.
  • Experience with SQL databases (MySQL, PostgreSQL) and NoSQL solutions (Cassandra, Redis).
  • Previous experience with Kafka.
  • Passionate about building APIs that are easy to use and simple to understand.
  • Collaborative mindset; you enjoy discussing, rethinking, and redesigning ideas that create shared success.

Tools You Will Use

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

Salary

  • Gross salary: 4760–7200 EUR / month (gross).

Workplace & Team

  • Team: Backend - Saily
  • Location: Vilnius (hybrid)

Benefits

  • Opportunity to transition to Go on the job and work on a fast-growing eSIM product used globally.
  • Work in a cross-functional environment with product and design teams and influence product direction.