Built integration with payment service provider ( adyen, paypal... ), stream integration with in house billing service. Built a subledger service in GCP, distributed reports via Looker. Automatic booking of transactions in Netsuite ERP via REST.

Stack : Git, GCP, Dataform, Big Query, Apache Airflow, Apache Kafka, Python, JS, SQL, Terraform, Docker, Kubernetes, Netsuite ERP, REST API

Responsible for the maintenance of the General Ledger data pipeline. In charge of the reconciliation process between the General Ledger and the sub-ledgers. Built and maintained a CI/CD data pipeline for cross‑ledger reconciliation, orchestrated with Apache Airflow on AWS. Developed dashboards with React on manual journal entry data quality. I built for our daily operations and succesfully deployed them to across teams in the US/Poland.

Stack : Git, AWS, VBA, Python, REST API, Docker, SQL, Tableau, SAP ERP

Developed Python and VBA data transformation programs to automate FP&A excel reporting. 2h+ daily saved for the team. Introduced Tableau Dashboard to FP&A to monitor monthly KPIs ( material and labor productivity), reduced month end workload for finance team. Researched and produced 2 algorithms to help discover raw material cost saving and improve productivity.

Stack : Git, VBA, Python, Tableau, Excel

Instership in the Internal Audit department of PSA group ( now Stellantis). Participated on CAFE (Corporate Average Fuel Economy) audit and co-lead investigations and documentions accross european plants.

Stack : Excel