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Hi, I'm Thiago Carvalho da Costa, a Senior Full-Stack and Mobile Engineer with 5+ years delivering scalable web and mobile applications across fintech, industrial, and service domains. I specialize in React, React Native, Flutter, and Node.js, and design cloud-based architectures on AWS. I excel at leading end-to-end development, integrating complex APIs and ERP systems, and collaborating with cross-functional teams in agile, international environments. I have a proven track record shipping user-centric features for large-scale platforms, ensuring performance and reliability. I thrive in remote or hybrid settings, value clean code, CI/CD, automated testing, and close collaboration with designers and product stakeholders to align UX with business goals.…Hi, I'm Thiago Carvalho da Costa, a Senior Full-Stack and Mobile Engineer with 5+ years delivering scalable web and mobile applications across fintech, industrial, and service domains. I specialize in React, React Native, Flutter, and Node.js, and design cloud-based architectures on AWS. I excel at leading end-to-end development, integrating complex APIs and ERP systems, and collaborating with cross-functional teams in agile, international environments. I have a proven track record shipping user-centric features for large-scale platforms, ensuring performance and reliability. I thrive in remote or hybrid settings, value clean code, CI/CD, automated testing, and close collaboration with designers and product stakeholders to align UX with business goals.

Thiago Carvalho da Costa

Full Stack Developer, Web Developer, Front-End Developer, +4

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Hi, I'm Thiago Carvalho da Costa, a Senior Full-Stack and Mobile Engineer with 5+ years delivering scalable web and mobile applications across fintech, industrial, and service domains. I specialize in React, React Native, Flutter, and Node.js, and design cloud-based architectures on AWS. I excel at leading end-to-end development, integrating complex APIs and ERP systems, and collaborating with cross-functional teams in agile, international environments. I have a proven track record shipping user-centric features for large-scale platforms, ensuring performance and reliability. I thrive in remote or hybrid settings, value clean code, CI/CD, automated testing, and close collaboration with designers and product stakeholders to align UX with business goals.…Hi, I'm Thiago Carvalho da Costa, a Senior Full-Stack and Mobile Engineer with 5+ years delivering scalable web and mobile applications across fintech, industrial, and service domains. I specialize in React, React Native, Flutter, and Node.js, and design cloud-based architectures on AWS. I excel at leading end-to-end development, integrating complex APIs and ERP systems, and collaborating with cross-functional teams in agile, international environments. I have a proven track record shipping user-centric features for large-scale platforms, ensuring performance and reliability. I thrive in remote or hybrid settings, value clean code, CI/CD, automated testing, and close collaboration with designers and product stakeholders to align UX with business goals.

Available to hire

Hi, I’m Thiago Carvalho da Costa, a Senior Full-Stack and Mobile Engineer with 5+ years delivering scalable web and mobile applications across fintech, industrial, and service domains. I specialize in React, React Native, Flutter, and Node.js, and design cloud-based architectures on AWS. I excel at leading end-to-end development, integrating complex APIs and ERP systems, and collaborating with cross-functional teams in agile, international environments.

I have a proven track record shipping user-centric features for large-scale platforms, ensuring performance and reliability. I thrive in remote or hybrid settings, value clean code, CI/CD, automated testing, and close collaboration with designers and product stakeholders to align UX with business goals.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Portuguese

Fluent

English

Advanced

Spanish; Castilian

Intermediate

Work Experience

Mid-level Front-end developer at Mathex

May 1, 2025 - Present

Allocated to GOL/Smiles, one of the largest airline loyalty programs in Brazil, working on micro-frontend architecture across multiple projects. Part of an agile squad focused on solving complex issues and delivering new features for the Smiles loyalty program website. Developed and maintained front-end solutions using React, JavaScript, and TypeScript, with a focus on scalability and performance. Contributed to CI/CD pipelines, automated testing, and code quality processes using Jenkins, Sonar, and Git. Collaborated with designers and product stakeholders using Figma and Jira to ensure alignment between UX, business goals, and technical implementation.

Senior Full-stack developer at Zona Azul Brasil

June 1, 2024 - May 1, 2025

Acted as the main internal IT and software development professional, ensuring the stability and evolution of the company’s technology operations. Designed, developed, and maintained internal tools and customer-facing systems using React, React Native, Node.js, TypeScript, and PostgreSQL. Worked directly with external vendors and service providers to integrate APIs, propose system improvements, and troubleshoot internal and third-party platforms. Partnered with multiple departments to gather requirements, propose technical solutions, and align systems with business and operational goals. Provided continuous support to leadership, delivering fast resolutions and driving continuous improvement initiatives across systems and processes.

Mid-level Software developer at Easy Analytics

September 1, 2023 - June 1, 2024

Delivered Android and web applications for smartphones and Smart POS devices, fully integrated with ERP Protheus. Developed native Android features using Kotlin and Java, as well as webview-based applications leveraging Flutter, JavaScript, HTML/CSS, and SQL. Maintained and extended legacy ADVPL modules while building new functionalities using modern stacks. Improved user experience and data flow between devices and backend systems through close collaboration with product and QA teams. Ensured compatibility across multiple device profiles and OS versions, monitoring real-world usage and rapidly delivering fixes based on field feedback.

Systems Analyst / Developer at Saint-Gobain

November 1, 2020 - September 1, 2023

Owned the technology and software development for two manufacturing plants, with full autonomy and responsibility for solution design and delivery. Developed HMI / SCADA dashboards using Ignition, supporting Industry 4.0 initiatives and real-time operational monitoring. Automated operational and reporting workflows with RPA, significantly reducing manual effort and human error. Established an internal “software factory”, transforming ideas from multiple departments into delivered applications and accelerating release cycles. Built web and mobile dashboards and data products using JavaScript, Flutter, Python, SQL, Power BI, and Power Apps. Internationalized applications (i18n) and coordinated with cross-functional stakeholders to ensure adoption across the organization. Received internal awards for applications presented to executives and key stakeholders.

Senior Mobile & Full-Stack Engineer at DB Cleaning

June 1, 2025 - Present

Leading the rapid development of a web-based CRM for a large U.S. cleaning services company, covering clients, contracts, scheduling, field operations, and internal workflows. Architecting and developing the DBTech Employee App (Flutter), enabling schedules, task management, check-ins, and real-time operational data for field teams. Building the DBTech Customer App, delivering a modern, user-friendly experience for clients across mobile platforms. Managing the AWS infrastructure, including deployments, PM2 process management, HTTPS configuration, logging, and performance monitoring. Ensuring seamless integration and data consistency between the CRM platform and mobile applications, supporting scalable growth and operational efficiency.