ETL Developer in Test

I’m interested


Krakow - Grand Parade

Job description

We bet we can be a great match


When we say cutting edge, we actually mean it. Our Datawarehouse holds 21 terabytes, and we upload 25 gigabytes of data a day.  Here, you can work on work on highly reliable systems with low latency, much like the transactional systems of the best financial institutions, but… with fun included.


About us


Working with us you’ll be at heart of the technological revolution of one the world’s most trusted betting and gaming companies. We deal with projects ranging from  desktop or mobile casinos and betting sites… just to name a few. We process 500 online Sportsbook bets per second each Saturday, that’s the same as orders processed by Amazon UK, on its busiest day of the year. We deal with more than 20 million users daily. Impressed? You can be sure there are many more challenges waiting for you.


Your role in the team


As a ETL Developer in Test, you’ll develop high quality test cases, including automation and performance. You'll write acceptance criteria alongside developers, analysts and product owners, collaborate on technical solutions and communicate goals and results. You'll set-up and manage data including batch and static data, and display continuous improvement. Working alongside our BI teams, you'll use Power BI to help create reports for our Senior Executives.

You'll work on test development within automation frameworks, with a strong focus on the automation of CI Builds, SQL Unit Testing and ETL Processes. You'll have the opportunity to cross - train within the team, and learn about new data technologies. So we need you to be keen to learn and interested in new tech.


Skills needed


  • You’re an expert in acquiring new data sets, integrating and reporting
  • It’s essential that you’ve got experience of the full SDLC in an ETL environment.
  • You’re a strong tester with experience of working on data platforms, and you’ve used SQL Server to handle large data sets and complex data transformations.
  • T-SQL is our main tech, so you need to be a whizz.
  • You’ve gained experience of enterprise data warehousing and DQ / RDM /MDS / MDM.
  • You’ve got effective data testing skills using Microsoft SSIS 2012 or above, plus at least one other language (Java or C#.)


What we offer

  • Development opportunities, including IT conferences, internal training, lunch and learn sessions and an individual development budget.
  • Complex work and the chance to make an impact.
  • Some opportunities for International travel to our offices in London, Leeds and Gibraltar (our office is 5 minutes away from the beach).
  • A great working atmosphere in a collaborative team of amazing people, with forward thinking managers.
  • Competitive salary and benefits fully paid private healthcare, multisport pass, daily fruit, and employee referral program.
  • Flexible working practices
  • And some fun in the office – integration events and company parties, internal football league, gamification initiatives, FIFA, board games, company competitions with cool prizes.


William Hill in Krakow


Our office sits on Kotlarska and our brilliant building has a range of different workspaces, hangouts and breakout areas to suit your every need. Situated in the centre of Krakow next to Vistula river – we're in the heart of one of the world’s most iconic cities. There are parks everywhere, you can enjoy a walk along Planty, or go to Kościuszko Mound to admire the city from above. With plenty of culture on your doorstep, you’ll be spoilt for choice. In fact, why not have a sneak peek around our office with Street View and see if you can picture yourself here