Marco Antonio Leite Aring

Contact - (Mobile) marco.antonio.leite.aring@g mail.com www.linkedin.com/in/marcoantonio- (LinkedIn) Top Skills TypeScript Node vite Marco Antonio Software Engineer Full Stack | React, TypeScript, Node.js, Next.js & NestJS Teresópolis, Rio de Janeiro, Brazil Summary I am a full stack developer specializing in creating scalable solutions and robust architectures, with solid experience in companies across various sectors, such as telecommunications, fintechs, digital marketing, and software factories. Throughout my career, I have worked in all stages of the development cycle, from project conception to the implementation and maintenance of critical systems. My technical expertise includes modern technologies such as HTML, CSS, JavaScript, TypeScript, React, Node.js, Next.js, and NestJS, with a strong focus on performance, scalability, and best development practices. I have extensive experience leading monolith migrations and creating design systems that ensure standardization and efficiency on a large scale. Beyond the technical side, I have developed strategic leadership and mentorship skills, managing and guiding teams of different seniority levels. I have worked as a Tech Lead and technical focal point, collaborating directly with Product Owners and Tech Managers to define priorities, solve complex problems, and implement Individual Development Plans (IDPs) to support both the technical and personal growth of the teams. My approach is always innovation-driven, with a focus on creating optimized, scalable, and high-impact solutions, ensuring that deliveries align with business needs, user experience, and industry best practices. Experience Grupo Boticário Software Engineer Specialist March 2023 - Present (2 years) Page 1 of 6 I work as a Full Stack Specialist, focusing on building scalable architectures and high-performance solutions using technologies such as HTML, CSS, JavaScript, TypeScript, React, Node.js, Next.js, and NestJS. My primary responsibility is to develop and implement robust structures that support the continuous growth of our products, always seeking optimized and efficient ways to deliver high-quality solutions. Beyond technical development, I actively collaborate on strategic decisions, ensuring that our solutions align with best practices in scalability, performance, and maintainability, driving the continuous evolution of our systems. Movidesk Software Engineer Principal August 2022 - February 2023 (7 months) Brasil I was the primary lead responsible for designing the entire front-end architecture in microservices, spearheading the gradual migration from the company’s monolithic system to a modular, scalable, and easily maintainable structure. I was also responsible for the conception and structuring of the company’s design system, ensuring standardization, visual consistency, and efficiency in interface development. My front-end expertise made me a key technical focal point, frequently consulted by multiple teams to solve complex challenges and provide guidance on strategic decisions. This role strengthened my ability to lead technological transformation initiatives, define robust architectures, and collaborate cross-functionally with different areas of the company. Escale 1 year 4 months Tech Lead January 2022 - September 2022 (9 months) I was promoted to Tech Lead, taking on the technical leadership of a team of five developers with different levels of seniority. My responsibilities included defining technical guidelines, overseeing development, and ensuring code quality in projects using HTML, CSS, JavaScript, TypeScript, React, Next.js, and NestJS. Page 2 of 6 I maintained constant communication with the Product Owner (PO) to support technical decisions, prioritize user stories, and align deliveries with product goals. Additionally, in partnership with my Tech Manager, I actively participated in the creation and execution of Individual Development Plans (IDPs), focusing on the technical and personal growth of the team. My role combined strategic leadership, technical decision-making, and career development support, ensuring efficient deliveries aligned with business needs. Softwre Engineer Full Stack Senior June 2021 - December 2021 (7 months) I worked as a full-stack developer, using HTML, CSS, JavaScript, TypeScript, React, and Next.js on the frontend and NestJS on the backend, ensuring the delivery of robust and scalable solutions. I was the technical focal point of the team, responsible for guiding the team in strategic decisions and leading the organization and structuring of all projects. My role involved defining best practices, standardizing code, and creating efficient architectures, ensuring quality, performance, and continuous system maintenance. Allied Brazil 2 years 1 month Software Engineer Senior January 2021 - June 2021 (6 months) Rio de Janeiro, Brasil After my consistent performance, I was promoted to Senior Software Engineer. In this role, I acted as the technical focal point for my squad, providing support for backend tasks and ensuring seamless integration with frontend solutions. I was also responsible for creating and implementing boilerplates used across the company and my team, standardizing processes, accelerating development, and ensuring code quality. Additionally, I continued developing new features, maintaining existing systems, and strategically contributing to the continuous evolution of the platform. This expanded role strengthened my technical leadership skills, ability to solve complex problems, and cross-department collaboration. Page 3 of 6 Software Engineer Mid-Level June 2019 - December 2020 (1 year 7 months) Rio de Janeiro, Brasil I worked on the development and maintenance of systems for TIM, one of the largest telecommunications companies in Brazil. I was responsible for implementing new features and optimizing existing solutions using technologies such as HTML, CSS, JavaScript, TypeScript, React, Gatsby, and NX, ensuring efficient and high-performance deliveries. A key highlight was leading the refactoring of the TIM Live system, TIM's fiber optic division, which resulted in significant improvements in sales, reduced user turnover, increased website performance, and a more intuitive experience for customers. Global Hitss Software Engineer Mid-Level November 2018 - June 2019 (8 months) Rio de Janeiro, Brasil My focus was on developing the extranet for SESI São Paulo and a complex ticket purchasing system for the same institution. I used HTML, CSS, JavaScript, and React to create high-performance and intuitive interfaces, ensuring a smooth user experience. The role required constant collaboration with the backend team, which developed in ASP.NET, ensuring efficient integration between system layers and the delivery of robust, scalable solutions. GRITO.cc Software Engineer Mid-Level July 2018 - October 2018 (4 months) Rio de Janeiro, Brasil I was responsible for the development and support of websites, using technologies such as HTML, CSS, JavaScript, and Vue. I worked in a collaborative, multi-team environment, ensuring the delivery of robust, scalable solutions aligned with client needs. Lafs Contabilidade Software Engineer Mid-Level February 2018 - June 2018 (5 months) Rio de Janeiro, Brasil I was responsible for the development, enhancement, and maintenance of the LAFS Contabilidade website, using HTML, CSS, JavaScript, and WordPress. I Page 4 of 6 also led the development of internal applications for calculations and financial data visualization, ensuring efficient and tailored solutions. Additionally, I was in charge of coordinating the entire technology and marketing department, leading a team of five people, collaborating on online campaign creation, performance analysis, and the approval of graphic materials—combining technical expertise and digital strategy to strengthen the company's online presence. D'GRAFO Comunicação Integrada Software Engineer Full Stack December 2013 - February 2018 (4 years 3 months) Rio de Janeiro, Brasil I was responsible for the development of websites, web platforms, landing pages, interactive campaigns, and newsletters, playing a strategic role in the planning and execution of digital projects. I led the technology department throughout my tenure, managing the team and ensuring the efficient delivery of solutions. I worked as a full-stack developer, using HTML, CSS, JavaScript, and WordPress, with full responsibility for the DevOps area, which included server configuration, infrastructure maintenance, and security issue resolution. Immersion Estratégia Aplicada Software Engineer Junior June 2013 - August 2013 (3 months) Rio de Janeiro, Brasil In this role, I focused on developing high-performance, SEO-optimized websites using HTML, CSS, JavaScript, and WordPress. I was responsible for implementing efficient solutions and continuously monitoring site data, providing strategic insights to the analytics team. My work required close collaboration with this team to identify improvement opportunities, ensuring that all deliverables were aligned with the best practices for performance and online visibility. Loja Interativa Software Engineer Full Stack March 2012 - June 2013 (1 year 4 months) Rio de Janeiro, Brasil I was responsible for the development, maintenance, and server configuration for websites across various industries, including restaurants, industrial companies, artists, and music production companies. I worked as a fullstack developer, using HTML, CSS, JavaScript, and WordPress to create Page 5 of 6 customized solutions, ensuring performance, security, and a high-quality user experience. The role required adaptability to different client profiles and full management of the project lifecycle. Seven Media Software Engineer junior August 2011 - December 2011 (5 months) Rio de Janeiro, Brasil I was responsible for maintaining and developing new features for the company's main website. I worked with HTML, CSS, and JavaScript, ensuring continuous improvements to the site. The role required constant communication with directors and supervisors, providing strategic alignment and developing on-demand solutions. Seven Computação Gráfica Intern January 2011 - August 2011 (8 months) Duque de Caxias, Rio de Janeiro, Brasil Intern at the Duque de Caxias unit of Seven Computação Gráfica, providing support to teachers in the classroom, assisting in the preparation of teaching materials, and helping students. This experience allowed me to develop technical, communication, and teamwork skills in a dynamic educational environment. Education Universidade Estácio de Sá Sistemas para Internet, Tecnologia da Informação · (2013 - 2015) ISERJ - Instituto Superior de Educação do Rio de Janeiro Técnico subseqüente de informática, Informática · (2011 - 2012) Colégio Antares Ensino Médio · (2005 - 2010) Page 6 of 6