Must have

• JavaScript

• TypeScript

• Node.js

• RDBMS

• React

• English (C1)

• Polish (C1)

Nice to have

• Google Cloud Platform

• Amazon Web Services

• Python

Requirements description

• 5+ years of experience with building SaaS applications using JavaScript/TypeScript(including Node.js)

• Experience with database system design, RDBMs, or NoSQL

• Openness to work with other languages like Python

• Experience with developing back-end - nice to have

• Experience with Amazon Web Services or Google Cloud Platform - nice to have

• Communicative Polish and English

Offer description

At OpenX, we have built a team that is uniquely experienced in designing and operating high-scale ad marketplaces, and we are constantly on the lookout for thoughtful, creative executors who are as fascinated as we are about finding new ways to apply a blend of market design, technical innovation, operational excellence, and empathetic partner service to the frontiers of digital advertising.

Our exchange handles billions of ad requests daily, connecting thousands of publishers with demand partners. It’s fully containerized, running in the cloud in multiple regions across the world. Ads from our systems can be seen in your favored mobile game, web page, or maybe TV in the future. That’s the place where each millisecond matters.

The team is using the following technologies:

Frontend: JS/TS, React, Material UI

API: Python

CICD: Cloudbuild, Spinnaker

We are operating at a scale:

• 100% Cloud-based (GCP) platform
• Over 370 billion Ad requests every day
• Over 120 000 CPU daily
• Over 140 TB RAM daily
• Over 50 PB of data per week
• Over 1200 production deployments a month

Your responsibilities

1. Design high-performance, distributed, low-latency systems
2. Architect, create, and deliver new features and functionality
3. Work with Product to drive the requirements, and own the project end-to-end
4. Work with Product and UX teams to bring consumer-grade user experience and design to the enterprise
5. Work with Engineering and Product teams distributed across multiple locations
6. Analyze and improve efficiency, scalability, and stability of servers and processes

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