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Senior Front-End Engineer with 8+ years of experience building scalable applications in React and React Native. Strong background in leading cross-functional teams, designing design systems, and delivering high-impact products at companies like Mercado Livre, Méliuz, and PicPay. Currently Co-Founder & CTO of Niido, a relationship-focused mobile app.…

Larissa Soares

Front-End Developer, App Developer, Developer, +2

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Senior Front-End Engineer with 8+ years of experience building scalable applications in React and React Native. Strong background in leading cross-functional teams, designing design systems, and delivering high-impact products at companies like Mercado Livre, Méliuz, and PicPay. Currently Co-Founder & CTO of Niido, a relationship-focused mobile app.…

Available to hire

Senior Front-End Engineer with 8+ years of experience building scalable applications in React and React Native. Strong background in leading cross-functional teams, designing design systems, and delivering high-impact products at companies like Mercado Livre, Méliuz, and PicPay. Currently Co-Founder & CTO of Niido, a relationship-focused mobile app.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Work Experience

Software Engineer Manager at Unique

February 1, 2025 - September 2, 2025

Oversaw software development teams ensuring timely delivery of scalable and innovative solutions. Acted as a bridge between Product Managers, designers, and Technology teams to facilitate clear communication and alignment on project goals. Led design and implementation of technical strategies to enhance application performance and maintainability. Mentored engineers and fostered a collaborative development culture across cross-functional teams.

Co-Founder & CTO at Niido

February 1, 2025 - Present

Built and led the development of Niido, a mobile app focused on strengthening couples' relationships through daily check-ins, shared to-dos, important dates, and AI-powered reflections. Designed and implemented the full technical stack using React Native, Expo, Supabase/Neon, Drizzle ORM, Clerk, RevenueCat, and AWS S3. Led architecture for push notifications, timezone-aware scheduling, and analytics pipelines, ensuring scalability and reliability across iOS and Android. Defined design language, UX flows, and brand storytelling, aligning product, marketing, and tech teams. Managed app release, compliance, and publishing to Apple App Store and Google Play.

Senior Front End Engineer at Mercado Livre

August 1, 2024 - September 2, 2025

Spearheaded the development of a logistics optimization platform using React and Node.js, reducing operational delivery costs and enhancing efficiency. Maintained and improved internal logistics management tools supporting cross-functional team objectives. Collaborated with designers and backend developers to ensure seamless integration and high-quality deliverables.

Senior Mobile Engineer and Supervisor at Méliuz

August 1, 2023 - September 2, 2025

Managed a team of developers, mentoring and guiding them to deliver high-quality solutions. Led mobile development projects using React Native and React, optimizing app performance and integrating advanced analytics tools to track user engagement. Delivered scalable fintech solutions including a help center module and internal tools, improving customer satisfaction and operational workflows.

Senior Front End Engineer at Everest (Contractor)

June 1, 2023 - September 2, 2025

Developed reusable UI components and contributed to the company’s design system. Ensured quality and consistency across applications by leveraging tools like Storybook and collaborating with UI/UX designers.

Senior Front End Engineer and Technical Lead at PicPay

October 1, 2021 - September 2, 2025

Led frontend teams and established best practices, ensuring high-quality deliverables across multiple projects. Designed and maintained a scalable design system using StencilJS, significantly improving development speed and UI consistency. Facilitated team training sessions and authored technical documentation to upskill team members.

Front End Engineer at BRQ

August 1, 2020 - September 2, 2025

Developed frontend features for large-scale banking systems using Angular. Collaborated closely with design and backend teams to ensure seamless integration and optimal performance.

Full Stack Engineer, Manager at Fashion

July 1, 2019 - September 2, 2025

Delivered full stack web solutions using VueJS and Laravel, enhancing client satisfaction through optimized SEO and responsive designs. Designed and implemented web applications along with graphic designs for digital and print media.