Big Data Cloud Engineer - Tech lead at OpenX
Krakow, PL
OpenX is looking for talented and highly motivated Tech Lead 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. You will be responsible for building, managing and executing critical projects while providing thought leadership and making significant personal contributions to the organization focusing on the efficiency and scalability of our products and processes.

You will lead a set of high caliber team members and generate key insights that influence business decisions, technological solutions and team culture. Scope of your work will include architecting, creating, and delivering new features and functionality in order to provide the best possible advertising experience in the market. Scalability, performance, and rock-solid reliability are all factors to consider with every line of code.


You will be part of the core exchange development teams. Our exchange 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. 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.

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
    • Analyze and improve efficiency, scalability, and stability of servers and processes
    • Think long-term and be unsatisfied with band-aids
    • Lead and manage the team by defining the goals and providing mentorship and guidance for all of the team members to help them in their professional development.

Required Qualifications
    • ideally 10+ years working experience in Java, Erlang, or Golang
    • Expertise designing scalable, latency-sensitive applications, performance tuning and monitoring
    • Experience with databases system design, RDBMs or NoSQL
    • 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,
    • 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.
    • Experience in time management, planning, and project management

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

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

What We Offer
    • Free Catered Lunches every Monday, Wednesday and Friday
    • Extra days off
    • Travel allowance
    • Private medical healthcare for you and your relatives
    • Life insurance
    • Multicafeteria
    • Standing desks - all desks at our office are adjustable
    • Snacks & Drinks (healthy options available)
    • SocialX Club
    • Great opportunities to work with your local team as well as with the teams in the US
    • New modern office close to the City Center

OpenX Values

Our five company values form a solid bedrock serving to define us as a group and guide the company. Our values remind us that how we do things often matters as much as what we do.

We are one

One team. No exceptions. We are a group of strong and diverse individuals unified by a clear common purpose.

Our customers define us

We know our business flourishes or dies because of our customers.

OpenX is mine

We are all owners of OpenX. We stake our personal and professional reputations on the excellence of our work.

We are an open book

We are eager to teach and share what we know with others.

We evolve fast

We take risks and confront failure openly. We recognize and repeat success aggressively. We actively seek out and provide constructive criticism. Defensiveness is for weaklings!

The above job description is not intended to be an all-inclusive list of duties and standards of the position. Incumbents will follow any other instructions, and perform any other related duties, as assigned by their supervisor, policy and c

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