Senior Software Engineer III

Summary

Join OpenX, a company focused on maximizing the economic potential of digital media, and become part of the core exchange development team. This team handles billions of ad requests daily, connecting publishers with demand partners. You will design high-performance, low-latency systems, architect new features, and collaborate with product and UX teams. The role requires experience with SaaS application development using JavaScript/Typescript and database system design. OpenX offers competitive compensation, flexible working hours, remote work options, and various benefits including health care, life insurance, and professional development opportunities.

Requirements

• 4+ years experience with building SaaS applications using JavaScript/Typescript (including Node.js)
• Experience with databases system design, RDBMs, or NoSQL
• Excellent written and spoken English skills
• Communicative Polish and English

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 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

Preferred Qualifications

• Experience with Amazon Web Services or Google Cloud Platform
• Experience working in digital media, marketing technology, or advertising technology

Benefits

• 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)
• Flexible working hours & remote work option