Available to hire
I’m Filipe Lehmann Pereira, a frontend engineer with over 4 years of experience, working primarily in the forestry and real estate sectors to build scalable, responsive web applications using React, Next.js, and TypeScript, with strong technical skills, attention to detail, and a proven track record delivering SaaS platforms, design systems, and data-driven UIs in Agile, cross-functional, and remote-first international teams.
I help projects integrate seamlessly into clients’ daily routines and enable monthly savings of thousands of Brazilian reais by delivering solutions grounded in robust component-based architecture, UI/UX principles, robust state management (Zustand, Redux), and end-to-end testing (Cypress, Jest).
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Language
English
Fluent
Portuguese
Fluent
German
Intermediate
Work Experience
Software Engineer at Pixlog
June 1, 2025 - August 19, 2025Spearheaded frontend development for a B2B SaaS web platform using React, Next.js, TypeScript, and Tailwind, offering a management solution for processing data collected by operators, enabling clients to seamlessly integrate the platform into their daily office routine and workflow. Built an elegant dashboard with Google Maps, dynamic lists with TanStack Table, state management structures with Zustand, and several reusable components to facilitate rapid prototyping of new features and maintenance with automated testing. Refactored the platform's PDF generation system, enabling cost savings of thousands of reais per month and increasing infrastructure reliability. Internationalized the platform in 3 languages, enabling better commercial work, support, and access for new clients from Paraguay and Argentina.
Freelance Software Engineer at Freelance
July 1, 2024 - August 19, 2025Improved client’s platform to convey more authority, convert more leads, and better manage customer data, leading to greater productivity, user satisfaction, and revenue. Designed and implemented layouts so the client could create and deliver their courses within their platform. Assisted with client’s vision for platform evolution, creating roadmaps to present and implement desired changes in sensible steps. Provided insight and helped the customer cut relevant costs monthly by reviewing their tool subscriptions.
Front-end Software Engineer at Hype Empreendimentos
August 1, 2023 - August 19, 2025Developed and maintained a highly complex SaaS platform using modern frontend technologies and best practices. Consumed GraphQL to build dynamic, data-driven features and ensured smooth integration with backend services. Built scalable, reusable components using JavaScript libraries, contributing to a consistent and modular UI architecture. Applied web performance optimization, improving load times and interaction responsiveness through lazy-loading and audit-based refactors. Contributed to CI/CD workflows and version control using Git, supporting continuous delivery and high deployment reliability. Collaborated closely with multidisciplinary Agile teams—engineers, analysts, and designers—to deliver features aligned with business goals and user needs.
Software Engineering Intern at Guarani Sistemas
November 1, 2023 - August 19, 2025Contributed to the front-end development of a business web application using Vue.js, HTML, CSS, and JavaScript, improving UI consistency and responsiveness. Resolved low- to medium-priority bugs and feature requests, enhancing user experience and overall system stability. Created detailed user stories for features beyond the MVP, supporting backlog grooming and sprint planning. Designed mobile-first mockups and UI flows in collaboration with product and design teams, ensuring accessibility and responsiveness across devices. Participated in daily Scrum meetings, tracked tasks in Jira, and collaborated using GitLab for version control and code reviews. Gained hands-on experience in Agile methodologies, UI/UX design, and collaborative software delivery in a production environment.
Software Engineer at Pixlog
June 1, 2025 - August 19, 2025Spearheaded front-end development for a B2B SaaS web platform using React, Next.js, TypeScript, and Tailwind. Delivered a management solution for processing operator-collected data, enabling seamless integration into clients' daily office routines and workflows. Built an elegant dashboard with Google Maps, dynamic lists with TanStack Table, state management structures with Zustand, and reusable components that facilitated rapid prototyping and maintenance with automated testing. Refactored the platform's PDF generation system, saving thousands of reais monthly and increasing infrastructure reliability. Internationalized the platform into three languages, improving commercial work, support, and access for clients from Paraguay and Argentina.
Freelance Software Engineer at Freelance
July 1, 2024 - August 19, 2025Improved client's platform to convey more authority, convert more leads, and better manage customer data, increasing productivity, user satisfaction, and revenue. Designed and implemented layouts enabling course creation and delivery within the platform. Assisted with client's vision for platform evolution by creating roadmaps to implement desired changes in sensible steps. Provided insights and helped reduce relevant monthly costs by reviewing tool subscriptions.
Front-end Software Engineer at Hype Empreendimentos
August 1, 2023 - August 19, 2025Developed and maintained a highly complex SaaS platform using modern front-end technologies and best practices. Consumed GraphQL to build dynamic, data-driven features and ensure smooth backend integration. Built scalable and reusable components using JavaScript libraries contributing to a consistent and modular UI architecture. Applied web performance optimization improving load times and interaction responsiveness through lazy-loading and audit-based refactors. Contributed to CI/CD workflows and version control using Git supporting continuous delivery and high deployment reliability. Collaborated closely with multidisciplinary Agile teams—including engineers, analysts, and designers—to deliver features aligned with business goals and user needs.
Software Engineering Intern at Guarani Sistemas
November 1, 2023 - August 19, 2025Contributed to front-end development of a business web application using Vue.js, HTML, CSS, and JavaScript, improving UI consistency and responsiveness. Resolved low- to medium-priority bugs and feature requests enhancing user experience and system stability. Created detailed user stories for features beyond MVP supporting backlog grooming and sprint planning. Designed mobile-first mockups and UI flows in collaboration with product and design teams, ensuring accessibility and responsiveness across devices. Participated in daily Scrum meetings, tracked tasks in Jira, and collaborated using GitLab for version control and code reviews. Gained hands-on experience in Agile methodologies, UI/UX design, and collaborative software delivery in a production environment.
Software Engineer at Pixlog
June 1, 2025 - June 1, 2025Spearheaded frontend development for a B2B SaaS web platform using React, Next.js, TypeScript, and Tailwind. Built an elegant dashboard with Google Maps, dynamic lists (TanStack Table), and modular state management with Zustand and Redux, enabling rapid prototyping and maintainable features. Refactored the PDF generation system to save thousands of Brazilian Reais per month and improved platform reliability. Internationalized the platform into 3 languages to expand client access in Paraguay and Argentina.
Freelance Software Engineer at Self-Employed (Freelance)
July 31, 2024 - July 31, 2024Improved a client platform to increase authority, convert more leads, and manage customer data more efficiently, boosting productivity and revenue. Designed and implemented layouts for course creation and delivery within the platform. Helped shape the product roadmap with clear milestones and delivered changes in sensible steps. Assisted in optimizing costs by auditing tool subscriptions.
Software Engineer at Hype Empreendimentos
October 31, 2023 - October 31, 2023Pioneered a SaaS platform for a fintech spin-off (Cap Link), delivering the first version that streamlined multi-million BRL credit for large-scale construction projects using React and Next.js. Accelerated a complex credit-approval pipeline by visualizing steps with D3.js to improve UX and adoption. Built a scalable UI with a modular, component-based design using TypeScript and Clean Architecture. Implemented GraphQL integration with backend services, contributed to CI/CD with Git and GitLab, and collaborated with multidisciplinary Agile teams to deliver features aligned with business goals.
Software Engineering Intern at Guarani Sistemas
November 30, 2023 - November 30, 2023Contributed to front-end development of a business web application using Vue.js, HTML, CSS, and JavaScript, improving UI consistency and responsiveness. Resolved low- to medium-priority bugs, created detailed user stories for features beyond MVP, and designed mobile-first UI flows with accessibility in mind. Participated in daily Scrum, tracked tasks in Jira, and collaborated using GitLab for version control and code reviews. Gained hands-on experience with Agile methodologies and production-ready UI/UX.
Software Engineer Volunteer at Ukraine Crisis Project
July 31, 2024 - July 31, 2024Participated in front-end development of a React web app for crisis management supporting Ukraine humanitarian efforts. Implemented responsive UI/UX for Projects, Organizations, and Volunteers sections; used Atomic design patterns to create reusable components; and integrated TypeScript clients with Node.js generated API.
Education
Bachelor of Computer Engineering at Instituto Federal de Minas Gerais
January 1, 2017 - January 1, 2022Bachelor of Computer Engineering at Instituto Federal de Minas Gerais
January 1, 2017 - January 1, 2022Bachelor of Computer Engineering at Instituto Federal de Minas Gerais
January 1, 2017 - January 1, 2022Qualifications
Industry Experience
Software & Internet, Agriculture & Mining, Real Estate & Construction, Financial Services, Professional Services, Education
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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