What we offer:
- Employment contract (26 350 - 29 450 PLN gross/monthly) OR B2B (204 - 228 PLN net/hourly)
- Working with the newest technologies such as Cloud Computing (GCP)
- Challenges at work that are difficult to find anywhere else!
- Solving important problems in a scale
- Joining a company that is growing and scaling
- Flexible working hours & remote work option
Key responsibilities:
- 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 the Engineering and Product teams distributed across multiple locations
- Analyze and improve the 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:
- 7+ years experience with building SaaS applications using JavaScript/Typescript (including Node.js)
- Experience with databases system design, RDBMs, or NoSQL
- Experience with Python - nice to have
- 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
Our benefits (on employment contract):
- Annual performance bonus
- Tax-deductible system due to copyright protection: 75%
- Private health care for you and your family (covered by OpenX)
- Private life and travel insurance
- MultiKafeteria program
- Training: access to the LinkedIn learning platform and Tech workshops
- Holiday Allowance
- Pension scheme (PPK from PZU)
- Additional paid day off
- Free parking lot
- Access to peer to peer recognition platform
- Monthly work-from-home allowance and one-time payment when you join us to help you set up your home office
- We celebrate team members' important personal milestones (vouchers, gifts)
Top Skills
What We Do
OpenX is focused on unleashing the full economic potential of digital media companies. We do this by making digital advertising markets and technologies that are designed to deliver optimal value to publishers and advertisers on every ad served across all screens. We’re an independent omni-channel supply-side platform (SSP) and a global leader in supply-side targeting, transparency, and sustainability. Through our 100% cloud-based tech stack, we power advertising across CTV, app, mobile web, and desktop, enabling publishers to deliver marketers with improved performance and dynamic future-proofed solutions. With a 17-year track record of programmatic innovation, we're a direct and trusted partner of the world’s largest publishers, working with more than 130,000 premium publisher domains and over 100,000 advertisers.
Why Work With Us
At OpenX, we value curiosity, innovation, and diversity. We are passionate about pushing the boundaries of ad tech and finding new ways to deliver value to our partners and we know our best chance of delivering is by creating diverse and inclusive teams where employees can do their best work being their authentic selves.
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OpenX Technologies Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.














