Senior Software Engineer JS TS

OpenX; Kraków; On-site; PLN 240,000 - 320,000; Full time

Job summary

A leading advertising technology company is seeking a Tech Lead to lead an engineering team in Kraków. The role involves designing high-performance systems and collaborating with Product and UX teams. The ideal candidate has over 5 years of experience in building SaaS applications and strong leadership skills. A communicative proficiency in Polish and English is required.

Qualifications

• 5+ years building SaaS applications using JS/TS and Node.js.
• 1+ years experience as a Tech Lead.
• Experience with RDBMs or NoSQL.
• Experience with AWS or Google Cloud.

Responsibilities

• Lead engineering team to deliver high-quality products.
• Design low-latency distributed systems.
• Work with Product to drive requirements end-to-end.
• Analyze and improve efficiency of servers.

Skills

Building SaaS applications

Team leadership

Database system design

AWS or Google Cloud

Communicative in Polish and English

Tools

JavaScript/TypeScript

Node.js

Job description

Overview

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, 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, Node.js
• CICD: Cloudbuild, Spinnaker

On a daily basis, we are using the Scrum framework with an open-minded attitude to adapt the process to our needs. Within the team, you will have the opportunity to work closely with a full-stack team of SWEs and SDETs focusing on different domains (both frontend and backend), as well as be a part of the UI Guild focusing on making impactful changes to our tools and processes.

Key responsibilities

• Lead engineering team to deliver high-quality end-to-end products and features.
• Design high-performance, distributed, low-latency systems.
• Architect, create, and deliver new features and functionality.
• Work with Product to drive the requirements, and own the project end-to-end.
• Work with Product and UX teams to bring consumer-grade user experience and design to the enterprise.
• Work with Engineering and Product teams distributed across multiple locations.
• Analyze and improve efficiency, scalability, and stability of servers and processes.
• Think long-term and be unsatisfied with band-aids.
• Identify unnecessary complexity and remove it.

Required Qualifications

• 5+ years of experience with building SaaS applications using JavaScript/TypeScript (including Node.js).
• 1+ years of experience as a Tech Lead or Team Lead of an Engineering Team.
• Experience with database system design, RDBMs, or NoSQL.
• Experience with Amazon Web Services or Google Cloud Platform.
• Experience working in digital media, marketing technology, or advertising technology is a big plus.
• Communicative Polish and English.