Lucas N.

Experience

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  Raccoon Marketing Digital

  Feb 2018 - Feb 2019

  Tags And Tracking Analytics

  Lucas worked with the javascript team building scripts to track users behaviour inside e-commerce websites. He was responsible to handle sensitive information from their clients with professionalism. He built a library to check if the affiliate was changing the attribution inside the site e-commerce (as a fraud) using cookie and javascript only and report that to the e-commerce website as a graphical percentage (e.g.: Affiliated A has done 30% of their traffic using attribution fraud).He also worked with:- Using Google Tag Manager (Javascript)- Using Google Analytics, Facebook Ads, Google Ads and other marketing tools- Network Knowledge - Performance analysis- Client Relationship - Direct contact by e-mail and video calls. Show less

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  FlipOn Car Franquia e Compartilhamento Patinetes

  Feb 2019 - Dec 2019

  Fullstack Developer

  Lucas created the company website from scratch using wordpress (https://flipon.app/). He also build the whole app using React Native framework and the whole backend using Django framework. He created the Android and iOS accounts and publish the apps into both stores.Development using Python and Django Framework.He was project leader with two developers under his squad.He also worked with:- Integration with Embedded Systems- AWS configuration - AWS SQS, SNS, SES- Work Automation - Developing scripts in Javascript and Python to simplify workflow- Gateway Payment - Integration with Digital Payment like Pagarme, Iugu and Juno Show less

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  Venturus

  Dec 2019 - Mar 2021

  Software Engineer

  Lucas worked on a top level confidential research project helping with:- Development for Native Android- Researching Native Speech Recognition and Native Speaker Recognition- Develop a voice biometry solution to recognize user by its voice.- Payment checkout integration- Communication with clients in EnglishGoal: The main goal was to build a way to pay just with voice, creating a payment checkout inside Alexa and Google Home to verify your payment only with your voice.Lucas worked on Development at a BaaS project helping with: - Develop for a new payment type (PIX) - Develop with a big development team, developing the solution from scratch - Development of Mobile App using Flutter - Development of Web Dashboard using React - Development of back-end using JavaGoal: Create digital wallet and integrate it with PIX (https://www.bcb.gov.br/estabilidadefinanceira/pix)Lucas worked with Data Science:- Using Superset- Using JupyterLab- Using Pandas- Using Scikit-LearnGoal: Create a Data-lake and do data analysis to help to improve company processes. We were deeply involved in interviews with several areas of the company to understand what are their pain and what data analysis may help them to improve their work life and add value to the company. Show less

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  Neon

  Mar 2021 - Feb 2022

  Mobile Developer

  Worked as an android enginieer on a unicorn fintech bank company helping them to maintain their android app.Worked together with his squad (Product Manager, Quality Assurance and iOS Enginieer and Android Enginieer) using the scrum methodology and brought more than 1 Million revenue in 2021 to the company with the integration of one of their recently aquisition (Magliano) to their app, creating a new investment service within the existing app. Magliano was a investment company that would allow users to invest money throw their app.Helped the Android squad to make the app to reach 99.9% crash free in the start of 2022.https://contxto.com/en/brazil/neon-magliano-investment-service/https://www.bloomberglinea.com/2022/02/14/brazils-new-fintech-unicorn-neon-raises-300m-series-d-round/ Show less

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  We The Culture

  Feb 2022 - Oct 2022

  Integration Engineer

  Worked in a Metaverse project for Volcom called Stoneland. Helped the Game Developers to integrate an unreal skate park and virtual stores to the game api, built using python. Built the website for the We The Culture (previously known as SDK Co) institucional website and also for the Volcom Stoneland Metaverse. Integrated the api with the Polygon blockchain, using web3 libraries and metamask.https://wetheculture.io/https://stoneland.volcom.com/

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  Stealth Startup

  Oct 2022 - Aug 2023

  Software Developer

  Worked as a Full Stack Developer at an AI company that specialized in the rapid generation of video content through facial animation from text input. In that role, I was responsible for both frontend and backend development.On the frontend, I was actively involved in implementing new features for the website's video editor, leveraging React.js (Typescript/Javascript) to create a dynamic and interactive user experience.For the backend, I used Django, a Python framework, to build the core functionality of our platform. This included handling data, user interactions, and ensuring the smooth operation of our application.Our infrastructure was hosted on both Google Cloud Platform (GCP) and Amazon Web Services (AWS), where we deployed and managed our server applications, guaranteeing scalability and reliability.Throughout all aspects of development, I adhered to RESTful principles and maintained a commitment to writing clean, efficient code that facilitated seamless integration of features and robust performance for our revolutionary video content generation platform. Show less

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  Teacher AI

  Aug 2023 - Oct 2024

  Engenheiro de software sênior

  I contributed to building an innovative, always-accessible AI teacher that empowers language learners worldwide to practice over 30 languages anytime, anywhere.Developed real-time voice interaction features using OpenAI tools, enhancing user engagement and driving daily usage growth during peak hours.Built responsive, user-friendly interfaces across web and mobile platforms using React.js, Next.js, React Native, JavaScript, and TypeScript, improving user satisfaction by 25% and reducing load times by 20%.Optimized APIs and backend services with Nest.js, FastAPI, PostgreSQL, and MongoDB, increasing database query efficiency by 40%.Designed a scalable microservices architecture leveraging Kafka and Redis, ensuring zero service downtime.Managed and scaled cloud infrastructure on GCP and AWS, achieving 99.9% uptime while reducing infrastructure costs by 25%.I'm passionate about creating seamless AI-driven learning experiences that make language learning more immersive and accessible for users worldwide. 🚀 Show less