Kubernetes (nice to have)
RDBMS (advanced)
Java / Golang (advanced)
Who we are :
OpenX is a top player in the AdTech industry in the World specializing in programmatic advertising, powering monetization and advertising revenue for publishers (i.
e. websites, mobile apps, CTV and OTT apps, etc.), and providing highly targeted audiences for advertisers, brands, and agencies.
We have seven offices located around the globe (in the US, the UK, Poland, and Japan). Our Ad Exchange platform 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. That’s the place where each millisecond matters.
We are operating at a scale :
100% Cloud-based (GCP) platform
Over 250 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
Who we are looking for
At OpenX Poland, we’re looking for talented, communicative, and curious engineers to join our amazing team in Cracow, Poland.
Currently, we’re looking for a Senior Software Engineer (Java).
If you’re :
Open-minded - happy to give & receive feedback, not afraid to fail, and move on
Proactive - always want to find a satisfying solution
Self-organized and self-motivated
We want to talk to you.
Project :
You will be part of the core exchange development team. 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
Backend : Java, Go, Erlang, Elixir
CICD : Cloudbuild, Spinnaker
What we offer
Working with the newest technologies such as Cloud Computing (GCP)
Experienced Team (50% of the company are senior developers!)
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 applications
Design, develop and maintain monitoring and alerting tools
Architect, create and deliver new features and functionality
Drive the requirements, and own the project end-to-end
Bring consumer-grade user experience and design to the enterprise
Analyze and improve efficiency, scalability, and stability of applications and processes
Think long-term and be unsatisfied with band-aids
Identify unnecessary complexity and remove it
Required Qualifications
Ideally, 5+ years working experience in Java or Golang
Expertise designing scalable, latency-sensitive applications, performance tuning, and monitoring
Experience with databases system design, RDBMs, or NoSQL
Experience Google Cloud Platform, Kubernetes and containers is a big advantage
Experience working in digital media, marketing technology, or advertising technology is a big plus
Communicative Polish and English
Bachelor’s degree in Computer Science or equivalent degree as we are looking to hire senior person, but if you don’t have 5 years experience, please still get in touch with us
Desired Characteristics
Good written & oral communication skills
Good sense of humour
Team player
Self-starter with the ability to independently identify and act on areas of improvement
Our Benefits
Annual performance bonus
Tax-deductible system due to copyright protection
Private health care for you and your family (covered by OpenX)
Private life and travel insurance (Covid insurance included)
MultiKafeteria program
Training : access to the Learning platform, Tech workshops, English lessons
Holiday Allowance
Pension scheme (PPK from PZU)
Additional paid day off
Free parking lot
Sports activities : online yoga / stretching classes : )
Access to peer to peer recognition platform
Possible trips to California once in a while
Company events (online during the pandemic time)
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) 
