Senior Software Engineer (Python) - OpenX

Job Title: Senior Software Engineer (Python)
Job Location: Krakow
Job Listing URL: https://jobs.lever.co/openx/c274119a-d39b-462c-a138-fe0e3af2e8bf
Job Description: Company at a Glance
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.

At OpenX, we have built a team that is uniquely experienced in designing and operating high-scale ad marketplaces, and we are constantly on the lookout for thoughtful, creative executors who are as fascinated as we are about finding new ways to apply a blend of market design, technical innovation, operational excellence, and empathetic partner service to the frontiers of digital advertising.

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

Project:
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).

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, ElixirCICD: 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.

Please note: all interview stages are run remotely!

What we offer:
Employment contract (21 250 - 25 000 PLN gross/monthly) OR B2B (167 - 196 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
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-aidsIdentify unnecessary complexity and remove it, analyze existing solutions
Required Qualifications
5+ years of similar position working experience in Python along with a 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
Comunicative Polish
Experience working in digital media, marketing technology, or advertising technology is a big plus
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)