Senior Software Engineer – POS Android

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October 17

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Stone & Company

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Stone + Company, a management and strategy consulting firm, enables its corporate clients to deliver top results by transforming fragmented strategies or developing new ones into a cohesive game plan for achieving superior performance and true team alignment, fast.

2 - 10 employees

📋 Description

• Work directly on the development and maintenance of the embedded software on Android POS terminals; • Tackle ambiguous problems and challenging prioritization, balancing deadlines and quality when delivering features to terminals; • Influence the team’s technical decisions, detailing highly complex solutions; • Ensure the product/platform’s quality, scalability, security and performance; • Promote knowledge sharing and provide mentorship to support the team’s technical growth; • Define, collect and analyze health and performance metrics for applications running on terminals in the field; • Participate in pair programming, code reviews and refinement sessions to discuss solutions, ensure quality and share knowledge; • Continuously look for opportunities to improve our platform, processes and the customer experience.

🎯 Requirements

• Solid experience in native Android development, with deep knowledge of Kotlin and the Android Jetpack frameworks (especially Jetpack Compose for UI); • Experience with payment architecture, including EMV, NFC and transaction processing; • Strong knowledge of architectural patterns (MVVM, MVI) and code design, adopting consistent and well-documented patterns; • Solid understanding of unit, integration and functional testing using tools such as JUnit, Espresso and Mockito; • Experience in investigation, troubleshooting and debugging systems, especially on physical devices; • Ability to integrate RESTful APIs, manage local data storage and ensure offline operation; • Knowledge of CI/CD setups for automating builds and deployments across device fleets; • Experience with Android Studio and Gradle; • Strong knowledge of native app performance optimization; • Ability to work collaboratively in multidisciplinary teams and familiarity with agile methodologies (Scrum/Kanban).

🏖️ Benefits

• 🩺 Health and Dental insurance • 🏥 Digital Hospital by Vitta: access to a multidisciplinary medical team, therapists and a healthcare team available 24/7 for quick and convenient support • 🥗 Meal Allowance and/or Food Voucher • 💻 Remote Work Allowance + Initial Setup (exclusive for remote positions) • 🕗 Flexible working hours • ✏ Education Benefit - Internal platform with access to books, podcasts, training and video lessons for self-development (Studa and StoneCo Library) • 💪 Gympass • 👶 Childcare Assistance • 💰 Profit Sharing (PLR) • 💚 Life Insurance • 🚗 Transportation Allowance (exclusive for on-site positions)