messenger application FebruaryMarch 2022 QA Automation Engineer • Crazy Factory, Thailand Functional, usability, and i18n testing of Unity application (mobile & web) DecemberMarchPosition eliminated due to COVID impact) Quality Assurance Engineer • EO Finance, Cyprus Full stack testing of cryptocurrency wallet & exchange (mobile, web & desktop apps) Developed & maintained E2E and API tests Reviewed business requirements and design assets Mentored new testing team members Made regression testing twice faster JanuaryNovember 2019 QA Engineer • SPB TV, Russia Functional, interface and backend testing of dozen web and IPTV products Actively participated and offered ideas in meetings and features discussions Described several thousand bugs in Jira DecemberJanuary

的規劃、執行中的對接、上線後的功能迭代 • 負責 pre-sales/solution design；跨團隊 solution consulting；client pitching；透過客戶痛點識別潛在盈利機會 IT 系統專案 • Business requirement 到 technical requirement 撰寫；系統上線品質測試；規劃使用者溝通及培訓設計 • 負責整合測試和新功能上綫 • 設計 test case；主導 UAT 和用戶簽

user data - Implemented a subscription payment system from scratch, enabling recurring revenue streams Software Engineer • Klarna MarchFebruaryDeveloped a React-based merchant portal, actively used by over 500,000 Klarna merchants worldwide - Restructured the user authorisation model for the merchant portal using Node.js and PostgreSQL to align with evolving business requirements - Maintained a CI/CD platform using Jenkins and managed AWS infrastructure for the merchant domain, supporting over 10 cross-functional teams - Monitored and optimised the performance of the Klarna merchant portal system with Datadog - Implemented security features and led threat modelling sessions Software Engineer • Ingenious Technologies AG

and check-in platform for summit with 18,000 attendees - Collaborated to implement enhancements to Salesforce platform using Agile methodology - Managed Salesforce integration and UX overhaul for annual survey completed by 30,000 users - Implemented marketing automation software for 250 end-users in collaboration with Marketing - Managed team of four business analysts Director, Business Analysis • Teach For AmericaPrimary technology partner and product owner for the Alumni Affairs Team - Core team member for enterprise-wide Salesforce implementation project - Developed business requirements and other artifacts for all Alumni team technology projects Other Roles at Teach For AmericaManager, Board Leadership Initiative; Manager, Career

Henpai Hsu I have more than 5 years experience as Frontend A self-driven programmer who won't constrain learning by business requirements. I enjoy solving problems with my teammates, even it's not mine. I've been focusing on modern web architecture, including tooling and automation since the beginning of my career.  Software Engineer TPE，TW [email protected] Experience Senior Frontend | Mexc , DecPresent Migrate SSR to RSC in NextJS project. Performance tuning in micro frontend architecture under UmiJS. Techstack: UmiJS / Zustand / AntD Senior Frontend | Rezio (KKday Group) , FebDec 2023

issues. Optimization of Slow SQL Queries and Response Time for Lengthy API Calls. Utilize Grafana/Prometheus to monitor system metrics. Senior Software Engineer • Smartbee Intelligence MarDec 2023 Key Responsibilities: Design and develop backend system architecture and deployment strategies. Collaborate with Product Managers (PM) to develop business processes and modules. Design table schemas based on business requirements. Participate in team code reviews to ensure code quality. Develop and enhance Jenkins DSL to align with deployment strategies. Utilize Spring Boot to develop various services within the Microservices architecture and facilitate communication between services

Stratos Petrakogiannis BI Architect | Data Cloud Engineer | MCT Hi, I am Stratos, a passionately driven Data Analyst with more than six years of experience within the data world. Having worked closely with multiple organizations from various industries, I strive to efficiently absorb all the business requirements & areas of significance for the client and deliver insightful and fully automated solutions. Greece https://www.linkedin.com/in/stratos-petrakogiannis-bb/ Work Experience BI Engineer | MCT | MS SME Freelancing MayPresent Athens, Greece Architecture of Power BI reporting and Azure Cloud Solutions. MCT training