Laura Oliveira

Senior Software Engineer | PayJoy (Fintech – Global) Mobile Automation | Generative AI | Chatbots | Backend Integration | Technical Documentation As a Senior Software Engineer at PayJoy, a global fintech providing smartphone-based credit across emerging markets (Asia, Africa, LATAM), I drive the technical development and deployment of automation solutions, Generative AI features, and mobile-centric chatbot integrations to improve product scalability and customer engagement. Working remotely in a cross-cultural, multilingual environment (English & Spanish), I design scalable automation systems, build AI-enhanced chatbot workflows, and structure technical documentation to support growth and cross-functional alignment. 🚀Achievements • Developed and deployed Generative AI features for fintech mobile apps across Asia, Africa, LATAM, including chatbot migration and integration with existing multi-channel platforms (Colombia, Panama, Peru and México). • Built and optimized AI prompt engineering workflows and multilingual NLP models, enabling context-aware, natural language chatbot responses tailored to diverse regional user bases. • Spearheaded the transition from legacy systems to a Generative AI-based environment, ensuring scalability, performance, and multilingual user experience across all platforms. • Developed and deployed the integration of a new client type into PayJoy’s platform – managed full lifecycle: planning, backend development, rollout, and post-launch support. • Created a centralized technical knowledge base, documenting system architecture, data flows, and automation pipelines. 💻Technology Generative AI | NLP (Natural Language Processing) | Mobile Chatbots | BackEnd Development | Mobile Automation | Technical Documentation 🛠️Tools Zendesk Ultimate | Slack | Jira | Confluence | Google Workspace ⏱ Agile Methodologies Scrum | Kanban 🗣️ Languages of Work: English & Spanish 🌍 Cross-Cultural Team & Global Delivery

Senior Android Developer | Natura (E-commerce – LATAM & Global) Android | Kotlin | API Integration | Code Quality | Testing | Google Play Compliance Contributed to two high-impact Android projects at Natura, a global cosmetics company operating in seven Latin American countries, France, the US, and Malaysia. Delivered robust, compliant, and user-focused mobile solutions while ensuring high code quality and alignment with business goals. Demonstrated strong ability to ship features aligned with Google Play Store Policies and internal quality standards, enhancing overall user satisfaction and system stability. 🚀 Key Achievements • Ensured 100% compliance with Google Play Store Policies, avoiding penalties and improving user retention. ✨ Key Projects ✅ Digital Magazine App • Led migration to the latest Android versions, improving performance and compatibility as part of the Sales Experience Team. ✅ Consultora Natura App Contributed within the Retrofit Team to enhance the seller experience: • Updated the Birthday API to enable personalized promotions for consultants. • Improved code quality by implementing unit, integration, and UI tests (JUnit, Espresso, Mockito), reducing production bugs and increasing reliability. 💻Technology Android | Kotlin | Gradle | MVVM | Clean Architecture | Unit Tests | Integration Tests | JUnit | Espresso | REST APIs | Google Play Policies Compliance. 🛠️Tools Android Studio | Bitbucket | Teams | Jira. ⏱ Agile Methodology Scrum

Mid Android Developer | Michi_in (Startup) Android | Kotlin | Java | REST APIs | UI/UX | Performance Optimization Proven expertise in delivering scalable, user-focused applications with modern design patterns and robust architecture. Skilled in developing from scratch and enhancing existing apps to meet evolving user and business needs. 🚀 Key Achievements • Developed and maintained 6 Android applications, leveraging cutting-edge technologies to deliver seamless and scalable user experiences. • Optimized app performance and UX, ensuring high reliability, responsiveness, and adherence to modern design patterns. ✨ Key Projects 🚀 Apps Created from Scratch (Kotlin) ✅ Compostar App • Built a sustainability-focused app for managing organic waste data in Recife. • Implemented dynamic splash screens, smart filters, OpenStreetMap integration, and real-time waste tracking. ✅ Timer App • Designed and developed a multi-timer app, allowing users to track multiple tasks simultaneously. ✅ Links Pro App • Created a quick-share solution enabling direct link sharing to an AWS server without opening the app. ✅ QR Maker App • Developed a QR code generator for seamless in-person sharing during events. 🚀 App Maintenance & Enhancements (Java & Kotlin) ✅ Habitus App • Migrated to AndroidX, redesigned 6+ screens, optimized backend services, and replaced Bluetooth with internet communication for better connectivity. • Integrated REST APIs to enable seamless AWS server interactions. ✅ Genyo App • Fixed critical bugs and implemented new features to improve operational efficiency. 💻Technology Android | Kotlin | Java | Firebase (Realtime, Firestore, Authentication) | Retrofit | Coroutines | LiveData | DataBinding | REST APIs | Gradle | Android SDK | UI/UX (Material Design, Constraint Layout, XML) 🛠 Tools Android Studio | Git/GitHub | Azure DevOps | Trello ⏱ Agile Methodologies Scrum | Kanban | Scrumban

Mid-Level Android Developer | Bank of Nordeste (Banking – Financial & Agricultural Tech Solutions) Android | Java | Clean Architecture | Automation | Financial Services Contributed to the AgroAmigo App, the official mobile platform of Banco do Nordeste, one of the largest financial institutions in Latin America. The app supports rural microcredit programs, empowering small-scale farmers and entrepreneurs across Brazil with easier access to financial services. 🚀 Key Achievements • Optimized loan automation processes, accelerating approvals for agricultural entrepreneurs. • Enhanced UX to ensure a seamless and reliable application experience. • Improved system stability, significantly reducing downtime and operational issues. ✨ Key Project ✅ AgroAmigo App – Banco do Nordeste • Streamlined the digital loan request flow, reducing bottlenecks and increasing approval rates. • Developed automation features tailored to the rural financial ecosystem. • Performed ongoing maintenance to ensure performance and long-term stability. 💻Technology Android | Java | Gradle | Android SDK | MVC Architecture 🛠 Tools Android Studio | Git | Teams | Jenkins ⏱ Agile Methodology Scrum

Mid Frontend Developer (ReactJS - JavaScript) | Bank BTG Pactual (Banking – Financial & HR Tech) FrontEnd | ReactJS | JavaScript | UX/UI | Data Automation | Agile Delivery Worked at BTG Pactual, the largest investment bank in Latin America, contributing to the development of an internal HR and payroll automation platform designed to serve mid-sized business clients. Delivered high-impact front-end solutions focused on scalability, performance, and data accuracy in a highly regulated financial environment. 🚀 Key Achievements • Reduced payroll processing time by 76% (from 30 days to 7) by automating data workflows via dynamic front-end interfaces. • Optimized user experience (UI/UX), ensuring a smooth and responsive interface. • Eliminated manual inefficiencies, ensuring higher accuracy and compliance in financial operations. ✨ Key Project ✅ Arkansas Project (HR & Payroll Platform - Website) • Developed and launched a web platform to automate the monthly payroll process, helping HR and managers to improve the data management during the payroll generation. • Led the entire front-end development lifecycle using ReactJS and modern JavaScript, ensuring high-performance, scalable and maintainable architecture. • Collaborated with cross-functional teams (product, backend, QA) in agile sprints, ensuring continuous delivery. • Regularly enhanced the UI/UX based on user feedback and internal stakeholder insights. 💻Technology JavaScript (Vanilla) | ReactJS | HTML5 | CSS3 | Material UI | REST APIs (Axios) 🛠 Tools VSCode | Web Browsers (Firefox, Edge, Chrome) | Git/GitHub | Figma | Teams | Azure DevOps ⏱ Agile Methodology Scrum

Data Engineer (Power BI) | Avanade (IT Consulting) Data Visualization Specialist | Business Intelligence & Analytics | Power BI 🚀 Key Achievements • Enabled data-driven decision-making for high-profile clients by developing insightful dashboards. • Optimized process monitoring, allowing companies to identify inefficiencies and opportunities through data analysis. • Delivered real-time data insights, improving operational performance and strategic planning. ✨ Key Projects ✅ Client Engagements Collaborated with Coca-Cola, Tigre, and Telefônica to develop custom Power BI dashboards, helping them: • Visualize process performance through interactive data storytelling. • Identify critical inefficiencies with advanced data aggregation and trend analysis. • Implement real-time monitoring, ensuring accurate and up-to-date reporting. 💡 Key Contributions • Conducted Business Problem Analysis to tailor dashboard solutions to client needs. • Designed Time Series Analysis, Aggregation, and Filtering for deep process insights. • Performed Descriptive & Diagnostic Analysis to track performance KPIs. • Managed Streaming Datasets, enabling real-time data updates. 🔧 Tech Stack Power BI | SQL | DAX | M 🛠 Tools Microsoft Teams ⏱ Agile Methodology Kanban

Simultaneous Translator | IBM (Pro Bono Project) 🚀 Key Achievements • Bridged communication gaps between IBM consultants and local businesses, facilitating cross-cultural collaboration. • Supported business growth by enabling seamless knowledge transfer from IBM’s global experts. • Managed multilingual communication, ensuring accuracy and efficiency in professional discussions. ✨ Key Responsibilities ✅ Business & Consultant Communication • Led daily translation sessions between IBM’s consultants and five different business groups over one month. • Facilitated real-time discussions, allowing local companies to implement strategic improvements based on expert insights. • Adapted to diverse business contexts, ensuring clear and precise communication across industries. 💡 Key Skills • Simultaneous Translation (English ↔ Portuguese) • Multicultural Team Collaboration • Professional Communication (Reading, Writing, Speaking, Listening) 🔗 Tools Google Docs

Software Engineer | Accenture (IT Consulting) Low-Code | Pega 6.3 | Pega 7.1 | Pega Robotics | Automation | Business Process Automation 🚀 Key Achievements • Optimized business operations, automating repetitive tasks and reducing manual inefficiencies. • Enhanced system performance, improving processing speed and user experience. • Streamlined workflows, increasing operational efficiency through intelligent automation. ✨ Key Projects ✅ NBA Project • Developed automated solutions in Pega 6.3, reducing process inefficiencies and improving system response time. • Enhanced business process workflows, minimizing errors and optimizing operational performance. ✅ Oi 360 Project • Designed and improved user experience in Pega 7.1, delivering a more intuitive and user-friendly interface. • Optimized system usability, improving employee productivity and business operations. ✅ Robotics Project • Implemented intelligent automation with Pega Robotics, significantly reducing manual workload and processing time. • Integrated robotic automation into business workflows, increasing efficiency across departments. 👥 Worked in a multicultural team, collaborating with remote developers from different countries. 🔧 Tech Stack Pega 7.1 | Pega 6.3 | Pega Robotics 🛠 Tools Skype | Microsoft Office ⏱ Agile Methodology SAFe

Computer Architecture Teaching Assistant | IFPE (University) College Program | Mentor | Hardware | Operational System | Low-level Programming 🚀 Key Achievements • Enhanced student understanding of computer hardware functionality and system architecture. • Bridged the gap between theory and practice, improving student engagement with real-world applications. • Supported the development of low-level programming skills, fostering deeper knowledge of system operations. ✨ Key Responsibilities ✅ Fundamentals of Computer Hardware • Provided guidance on memory structures, processor functionality, and hardware interactions. • Assisted students in understanding CPU operations and system architecture. ✅ Assembly Language & Low-Level Programming • Taught students how to write simple assembly instructions and develop efficient low-level code. • Clarified complex programming concepts, enabling students to apply theoretical knowledge in practice. ✅ Connecting Theory with Practical Applications • Helped students translate abstract computing concepts into real-world problem-solving. • Designed exercises and provided hands-on support to reinforce technical knowledge. 🔧 Key Skills Teaching | Computer Architecture | Assembly Language | Hardware Interaction 🛠 Tools Lecture Materials | Online Learning Platforms ⏱ Methodology Hands-on Learning & Practical Demonstrations