Mid Software Engineer(Java) III

OpenX is looking for a talented and highly motivated Regular Software Engineer to help us innovate and improve our products. You will work in all aspects of agile application development, including our enterprise platform that interfaces with a multitude of services that are depended on to deliver billions of requests per day. Your opinions will be important in all phases of product development, starting from requirements to validation and deployment.

We are operating at a scale:

100% Cloud-based (GCP) platform

Over 400 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

The team is using the following technologies:

Frontend: JS/TS, React, Material UI

API: Python

Backend: Java, Go, Erlang, Elixir

CICD: Cloudbuild, Spinnaker 

• 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
• Analyse 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

• Ideally 3 years of working experience in Java
• Experience with databases system design, RDBMS or NoSQL
• Experience Google Cloud Platform, k8s, and docker is a big advantage
• Experience working in digital media, marketing technology, or advertising technology is a big plus.
• Communicative Polish and English

• Fluently speak algorithms and data structures and platforms (Linux)
• Be comfortable using the right tools and languages for the job, even brand new ones
• Be familiar with Erlang 
• Have the ability to develop scalable, modular applications
• SCRUM / Agile environment experience

• Employment contract (17 000 - 20 000 PLN gross/monthly) OR B2B (139 - 164 PLN net/hourly)
• 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

• 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 (Covid insurance included)
• 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)