We are looking for an experienced Hadoop / Big Data Developer with the potential to grow into an Expert IT Developer role. You will join the Backend Application Capability Team, which supports key initiatives within the IT/Technology cluster of a client from the banking industry. Our team provides technical expertise across Hadoop/Big Data, Oracle, SQL, and Java technologies, driving data-driven transformation and innovation across the organization.
responsibilities :
Design, develop, and maintain data pipelines and applications using Hadoop and related Big Data technologies
Work closely with architects, analysts, and other developers to deliver high-quality, scalable solutions
Participate in system design reviews, requirement refinements, and technical discussions
Optimize existing processes for performance, scalability, and reliability
Ensure code quality through testing, code reviews, and adherence to best practices
Collaborate within the Scrum/SAFe team to deliver business value incrementally and continuously
requirements-expected :
At least 3 years of experience with Java 8+ and/or Scala
Hands-on experience with Apache Spark
Proficiency in SQL and Linux Shell scripting
Solid knowledge of the Hadoop ecosystem, including: YARN, Sqoop, Hive, Impala, MapReduce, Oozie, etc.
Version control and CI/CD tools such as Git, Ansible, Bamboo, or Jenkins
Strong understanding of data processing and distributed computing principles
Fluent English
Residing in Poland required
offered :
Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
Comfortable workplace – class A offices or remote work
Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
Investment in your growth – meetups, webinars, training platform and technology blog – you choose
Fantastic atmosphere created by all Sii Power People
