Big Data Development Lead

I’m interested


Krakow, Poland

Contract type


Job description

We bet we can be a great match


When we say cutting edge, we actually mean it. Here, you can 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


Our Data Management team is nothing if not ambitious. We pride ourselves on delivering operational and analytical solutions ranging from traditional batch data warehousing to low latency applications. 

As a Development Lead in Krakow, you’ll manage a scrum team of developers working with large volumes of data. We also integrate our platform with a range of internal and external systems. If you’re anything like us you’ll be interested in new tech and how it can be applied to data management. Our internal customer base is growing all the time, and we’re establishing ourselves as a true enterprise team using the latest technologies to make sure all customers get the best possible service.



Skills needed 

•    Experience in a team management position (ideally at least a year)
•    The desire to motivate, develop and deal with day to day issues including performance management
•    Experience in designing and developing high-volume, low-latency applications for mission-critical systems, delivering high-availability and performance
•    Agile mindset and practice in software development process e.g. Scrum, Kanban, TDD, BDD
•    Experience with Big data platforms: Apache Spark / Hadoop
•    Experience with cloud solutions for Big Data (Snowflake, GCP BigQuery, AWS Redshift) is a plus
•    Experience with data pipelines (e.g. Airflow) and streaming processing (Kafka, Kinesis, Spark Streaming, Flink)
•    Development using streaming technologies (Kafka, Kinesis, Flink, etc..)
•    Knowledge of Java and/or Python
•    Test development within automation frameworks, with a strong focus on the automation of CI Builds, SQL Unit Testing and ETL Processes.
•    Experience with supporting Data Scientist (Machine Learning) is a plus


    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.