Senior Backend Engineer — AI-First, End-to-End Ownership (Remote)

OX Security; Polska; On-site; PLN 240,000 - 420,000; Full time

Benefits offered by this job

100% Remote

20 days PTO + 5 sick days

Gifts on birthday & holidays

Company events

Job summary

OX Security is seeking a sharp Backend Engineer to join our Experience Edge team in a fully remote role. You’ll own features end to end, from concept to production, and engage with customers during pre-sales and live escalations.

You’ll work with Node.js and TypeScript, building scalable data platforms with MongoDB, Redis and ClickHouse on cloud infrastructure, and lead cross‑team features with other groups.

Qualifications

• 7+ years of hands-on backend development experience.
• Proficiency in Node.js and TypeScript.
• Experience with MongoDB, Redis and ClickHouse.
• End-to-end ownership of features from design to production.
• Ability to navigate large, unfamiliar codebases.
• Excellent English and customer-facing skills.
• Collaborative mindset and leadership by example.
• AI-first mindset and interest in applying AI to improve developer experience and system performance.

Responsibilities

• Own third-party integrations end to end, from design and build through shipping and reliability at enterprise scale.
• Build the platform’s reporting layer and the data model behind it, on high-volume cloud infrastructure (MongoDB, ClickHouse, Redis, Kubernetes).
• Lead cross-team features, bringing engineers from Security and other groups along with you.
• Tackle production challenges that matter most to customers.

Skills

Node.js

TypeScript

Backend development

English communication

Customer focus

Collaboration

AI mindset

Tools

MongoDB

Redis

ClickHouse

Kubernetes

Job description

OX Security is seeking a sharp Backend Engineer to join our Experience Edge team in a fully remote role. You’ll own features end to end, from concept to production, and engage with customers during pre-sales and live escalations.

You’ll work with Node.js and TypeScript, building scalable data platforms with MongoDB, Redis and ClickHouse on cloud infrastructure, and lead cross‑team features with other groups.