Igor S.

Igor S. Jonajo Consulting-- I am offering my services as a Senior Frontend Developer with 8+ years of experience in modern web technologies, specializing in React, NextJS, and Micro-frontends. I am currently focused on enhancing UI language strategy through Design System implementation and improving observability /monitoring with Datadog. I possess strong collaboration skills working with UX/UI teams and product stakeholders. I can offer my services remotely. PROFESSIONAL EXPERIENCE Ticket Edenred Senior Frontend Engineer, Feb 2023-Present Technologies: Azure, Pipelines, Azure DevOps, JavaScript, App Settings Configuration, Kubernetes, single spa, Microfrontend, Webpack, NextJS, and React.js ●​ Led the development and implementation of the Delaunay Design System, ensuring consistency and scalability across applications. ●​ Implemented Micro-frontends architecture using Single-SPA, enabling seamless integration and independent deployments. ●​ Enhanced user experience through extensive observability implementation with Datadog, improving monitoring and debugging capabilities. ●​ Collaborated with UX/UI specialists and product teams to deliver key product features, aligning technical solutions with user needs. BRQ Digital Solutions (Outsourcing) Senior Frontend Engineer, Sept 2022-Mar 2023 Technologies: React.js, Redux.js, AngularJS, SASS, Webpack, Single-SPA, Module Federation Node.js, AWS, MongoDB ●​ Developed user interfaces using AngularJS, React.js, and Micro-frontends with Single-SPA, ensuring modular, scalable, and maintainable frontend architectures. ●​ Translated designs and wireframes into high-quality, performant code, adhering to best practices for readability, maintainability, and reusability. ●​ Optimized components for cross-browser and cross-device compatibility, improving accessibility and user experience across various platforms. ●​ Participated in code reviews and actively promoted software development best practices, ensuring code quality, consistency, and maintainability. ●​ Developed responsive and intuitive user interfaces using modern JavaScript frameworks like ReactJS and Vue.js, focusing on enhancing usability, accessibility, and overall user satisfaction. BRQ Digital Solutions (Outsourcing) Senior Frontend Engineer, Sept 2022-Mar 2023 Jonajo Consulting-- Technologies: React.js, Redux.js, AngularJS, SASS, Webpack, Single-SPA, Module Federation Node.js, AWS, MongoDB ●​ Developed user interfaces using AngularJS, React.js, and Micro-frontends with Single-SPA, ensuring modular, scalable, and maintainable frontend architectures. ●​ Translated designs and wireframes into high-quality, performant code, adhering to best practices for readability, maintainability, and reusability. ●​ Optimized components for cross-browser and cross-device compatibility, improving accessibility and user experience across various platforms. ●​ Participated in code reviews and actively promoted software development best practices, ensuring code quality, consistency, and maintainability. ●​ Developed responsive and intuitive user interfaces using modern JavaScript frameworks like ReactJS and Vue.js, focusing on enhancing usability, accessibility, and overall user satisfaction. Pagtel Telecom Senior Frontend Engineer,-Mar 2021-Aug 2022 Technologies: React.js, Next.js, TypeScript, Styled Components, AWS ●​ Developed React.js and Next.js applications for major clients, including UBER, Correios, and Carrefour, delivering high-performance and scalable web solutions. ●​ Built e-commerce platforms using Next.js, optimizing for speed, SEO, and user experience to drive engagement and conversions. ●​ Implemented clean code practices and actively conducted code reviews, ensuring maintainability, readability, and adherence to industry best practices. ●​ Managed AWS infrastructure and CI/CD pipelines, automating deployments, improving scalability, and enhancing system reliability. Átomo Comunicação Frontend Engineer,-Feb 2020-Mar 2021 Technologies: React.js, CSS, Node, Redux, and JavaScript. ●​ Developed web applications using JavaScript and React.js for major clients, including Sorridents and Tudo Azul, delivering scalable and high-performance solutions. ●​ Created and maintained landing pages and microsites using Oracle, ensuring seamless functionality, responsiveness, and optimized performance. ●​ Focused on enhancing user experience and client engagement, implementing intuitive UI designs, improving accessibility, and optimizing performance for better user interactions. Brasil Excellence Frontend Engineer, Apr 2017-Feb 2020 Technologies: SASS, JavaScript, JQuery, and PHP ●​ Developed responsive web interfaces using JavaScript and PHP, ensuring compatibility across different devices and browsers. ●​ Created high-quality mockups and prototypes, collaborating closely with design teams to visualize user interactions and improve overall UI/UX. Jonajo Consulting-- ●​ Implemented responsive design principles for cross-device compatibility, optimizing layouts and functionality to deliver seamless experiences on desktops, tablets, and mobile devices. EDUCATION ●​ Post Graduate, Fullcycle, São Paulo , December 2024 — Present ●​ Associate Degree: Technician on Internet Development, ITB Maria Sylvia Challupe de Melllo, Barueri, January 2012 — December 2014 ○​ The Associate Degree in Web Development is a comprehensive program designed to equip students with the essential skills and knowledge to create dynamic, responsive, and user-friendly websites and web applications. This three-year degree combines technical training with foundational principles, preparing graduates for entry-level positions in the fast-growing tech industry or as a stepping stone for further education Jonajo Consulting--