QA Automation (Contratista)

ArrowFin is a financial services company specifically focused on the trading world. We create and optimize in-house technological solutions that directly assist our clients with their trading activities on the Chicago Mercantile Exchange. We are looking for a Quality Assurance Engineer with English proficiency and at least 3 years of experience to drive end-to-end quality across our cross-platform trading ecosystem. While your primary focus will be our native mobile apps (iOS & Android), you will also validate web-based trading terminals and administrative portals, ensuring complete data parity and state synchronization across platforms. Key Responsibilities Mobile-First Quality Assurance : Conduct functional, regression, exploratory, and usability testing on iOS and Android devices, focusing on touch responsiveness, real-time streaming charts, and push notifications. Web & Cross-Platform Validation: Perform cross-browser testing (Chrome, Safari, Firefox, Edge) on our web-based risk trading dashboard, ensuring data parity and state synchronization between web and mobile sessions. Risk & Trading Domain Testing: Validate critical financial logic, including order execution types, margin calls, position exposure calculations, real-time P&L updates, and risk limit alerts. Network & Edge-Case Inspection: Capture and inspect API requests/responses, WebSockets, and payload data across both web and mobile environments using tools like Postman, Charles Proxy, and Chrome DevTools. Defect Management: Author detailed, easy-to-reproduce bug reports in Jira with clear steps, network logs, OS/browser details, and video/screenshot recordings. Agile Collaboration: Partner with product managers, financial analysts, and developers during sprint planning to assess risk and write test cases before code is written. Required Skills B2 English proficiency (both written and spoken) 3+ years of manual QA experience with a strong focus on native mobile apps (iOS/Android), plus proven experience testing web applications. Solid understanding of fintech, trading, or risk management concepts (e.g., market orders, limit orders, leverage, real-time data feeds). High proficiency with network and device inspection tools (Chrome DevTools, Postman, Charles Proxy/Fiddler, Xcode, Android Logcat). Proven experience verifying multi-platform user journeys (e.g., starting an action on web and receiving/completing it on mobile). Strong understanding of testing methodologies, boundary value analysis, equity/derivatives lifecycle, and Agile/Scrum processes. Strong experience with Jira, sprint collaboration, high attention to detail, and proactive communication.