Senior Software Engineer IV (Python)

Job Description

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

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 Software Engineer (Python).

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 have a chance to work in some aspects of agile application development, including our highly efficient and available serving platform, and your opinions will be considered in certain phases of product development, starting from requirements to validation and deployment. You will assist other engineers to ensure that our processes are defined, documented, tested, and easy to use.

The team is using the following technologies:
Frontend: JS/TS, React, Material UI
API: Python, Node.js
Backend: Java, Go, Erlang, Elixir
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 API Guild focusing on making impactful changes to our tools and processes.





What we offer:
  • Employment contract (21 250 - 23 750 PLN gross/monthly) OR B2B (167 - 186 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 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, analyze existing solutions

  • Required Qualifications
  • 5+ years of similar position working experience in Python
  • Bachelor’s degree in Computer Science or an equivalent degree
  • Experience with database system design, RDBMs (MySQL, Postgres), or NoSQL
  • Excellent written and spoken English skills


  • Desired Characteristics
  • Experience Google Cloud Platform (or any other cloud platform), k8s, and docker
  • Experience in Rest API
  • Experience in GraphQL
  • Familiarity with advertising technologies and the advertising ecosystem

  • 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 (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)