Aleksander Ihnatowicz is a Warsaw-based Team Leader at Allegro with nine years of professional software experience, currently leading a team that builds merchant tools in Kotlin, Groovy (Spock) and Scala (Apache Spark). He has hands-on experience designing A/B testing and online scoring systems using Java, Python and GCP (BigQuery, Composer, Pub/Sub) and previously worked on microservice CMSs, cloud-deployed platforms and web analytics. His career started in C++ and finance-grade tooling, giving him a solid foundation in performance-sensitive systems that complements his later work on data pipelines and cloud services. Aleksander blends day-to-day coding and architecture ownership with people leadership, mentoring engineers while driving delivery. He also brings multi-cloud deployment experience across AWS, Heroku, Azure and GCP, making him adept at connecting low-level system concerns with product-facing, data-driven solutions.
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