AI-Driven Backend Engineer (Mid–Senior) — Hybrid

Nord Security; Warsaw (IN); Hybrid; USD 110,000 - 170,000; Full time

Benefits offered by this job

Premium healthcare

Work from anywhere

Mental health support

Team events

Job summary

Nord Security's Saily team is seeking an experienced backend engineer to build features, design scalable APIs, and own substantial areas of the product from idea to production. You will work in a cross-functional team with product and design, delivering high-quality code and performance improvements.

The role emphasizes a strong product mindset, curiosity about AI, and collaboration across Go, Kotlin, Java, and microservice tech.

Qualifications

• Over 4 years of backend development experience.
• Experience with PHP, Python, C#/.NET, Java or Kotlin.
• Knowledge of Kafka, SQL (MySQL/PostgreSQL) and NoSQL (Cassandra, Redis).
• Familiar with microservices and Kubernetes; API design mindset.

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.

Skills

Backend development

API design

Kubernetes

SQL & NoSQL

Kafka

AI tools awareness

Tools

Go

MySQL

Kafka

Docker

Kubernetes

AWS

Redis

Job description

Nord Security's Saily team is seeking an experienced backend engineer to build features, design scalable APIs, and own substantial areas of the product from idea to production. You will work in a cross-functional team with product and design, delivering high-quality code and performance improvements.

The role emphasizes a strong product mindset, curiosity about AI, and collaboration across Go, Kotlin, Java, and microservice tech.