Available to hire
I am Adrian Wiśniewski, a Customer Support and Financial Operations Specialist with extensive experience in international banking and electronic payment environments. I specialize in payment card services, transaction dispute resolution, payment authorization and settlement, and fraud detection.
I work well with cross-functional teams, leverage Salesforce and other financial systems daily, and speak English fluently to support both B2B and B2C clients while maintaining high SLAs and customer satisfaction.
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Language
Polish
Fluent
English
Fluent
French
Intermediate
Work Experience
Customer Support Specialist - Financial Services at Fiserv
June 1, 2024 - PresentHandling complex customer cases for international B2B and B2C clients. Analyzing customer complaints and transaction data to identify root causes. Managing card services, transaction authorizations and secure payment processes. Monitoring transactions for fraud and compliance with security standards. Working daily with Salesforce CRM. Cooperating with international operational teams to maintain high SLA and customer satisfaction.
Warehouse Operative at WOLW-POL Sp. z o.o.
February 1, 2024 - June 1, 2024Handling inbound deliveries and order picking according to documentation. Maintaining inventory accuracy and stock control. Organizing warehouse space and supporting timely order fulfillment. Cooperating with team members to ensure shipping deadlines are met.
QA Tester at Hyperstrange
September 1, 2022 - December 1, 2022Performing functional testing of video games. Identifying and tracking software defects (bug tracking).
QA Tester at QLOC S.A.
August 1, 2021 - February 1, 2022Verifying software quality across multiple platforms (PC and consoles). Creating detailed bug reports in English. Working in Agile methodology with strong attention to detail.
Junior Technical Support Analyst - Financial Services at Elavon
December 1, 2020 - July 1, 2021Providing technical and operational support for payment services and terminals. Supporting international clients in English. Processing transaction-related tickets and incident reports. Cooperating with technical and operational departments.
Customer Service Advisor (English) at Aon
October 1, 2019 - January 1, 2020Supporting international customers in English. Handling service requests and administrative processes.
Technical Support Assistant (English) at Capgemini Poland
January 1, 2019 - September 1, 2019Working in corporate SLA-based environment. Supporting business users via Service Desk systems. Handling technical tickets and incident reports. Maintaining SLA standards and documentation.
Education
Master of Arts at Pedagogical University of Krakow - Krakow
October 1, 2013 - September 1, 2018Qualifications
Industry Experience
Financial Services, Software & Internet
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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