Hello! I’m Lucas, a senior software engineer with 7+ years of experience building high-performance frontend architectures and scalable mobile platforms. I specialize in Flutter and Dart, leading large codebases and delivering reliable cross-platform solutions in fast-growing startups. I love bridging native and cross-platform tech, mentoring peers, and continuously optimizing performance and developer efficiency through solid testing and CI/CD. In my work, I collaborate across cross-functional teams to ship features that matter, from real-time mobile experiences to robust backend integrations. I’m passionate about quality, testing, and evolving platforms that scale with users and business needs.

Lucas Matheus Guimarães

PRO

Hello! I’m Lucas, a senior software engineer with 7+ years of experience building high-performance frontend architectures and scalable mobile platforms. I specialize in Flutter and Dart, leading large codebases and delivering reliable cross-platform solutions in fast-growing startups. I love bridging native and cross-platform tech, mentoring peers, and continuously optimizing performance and developer efficiency through solid testing and CI/CD. In my work, I collaborate across cross-functional teams to ship features that matter, from real-time mobile experiences to robust backend integrations. I’m passionate about quality, testing, and evolving platforms that scale with users and business needs.

Available to hire

Hello! I’m Lucas, a senior software engineer with 7+ years of experience building high-performance frontend architectures and scalable mobile platforms. I specialize in Flutter and Dart, leading large codebases and delivering reliable cross-platform solutions in fast-growing startups. I love bridging native and cross-platform tech, mentoring peers, and continuously optimizing performance and developer efficiency through solid testing and CI/CD.

In my work, I collaborate across cross-functional teams to ship features that matter, from real-time mobile experiences to robust backend integrations. I’m passionate about quality, testing, and evolving platforms that scale with users and business needs.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

Portuguese
Fluent
English
Advanced

Work Experience

Senior Software Engineer at WWT
May 1, 2025 - Present
Led mobile architecture and performance optimization for high-scale platforms, focusing on Flutter/Dart initiatives and ensuring stability of mobile ecosystems.
Mobile Developer at Claro
July 1, 2023 - May 1, 2025
Dart, Swift and Kotlin development to deliver scalable mobile solutions for millions of users. Built streaming features with low-latency playback, bridged native SDKs with cross-platform architecture, and implemented robust CI/CD workflows.
Software Developer at Bottle Rocket (via Criasol)
November 1, 2022 - June 1, 2023
Developed and maintained scalable PWA applications utilizing .NET Core and Azure; supported offshore sector initiatives including team management, financial control, and SSO integration.
Software Developer at Accenture
January 1, 2021 - November 1, 2022
Contributed to migrations and feature development for high-performance mobile platforms using Flutter, Kotlin and Swift within Agile teams.
Software Developer at Confitec
November 1, 2020 - December 1, 2020
Maintained full-stack insurance applications using .NET Core and SQL Server, ensuring backend stability for PWA deployments.
Software Developer at Smart Mentor
October 1, 2021 - January 31, 2022
Contracted software development focusing on Flutter-based solutions and platform interoperability.

Education

Bachelor of Computer Science at UNISUAM
February 1, 2015 - December 1, 2016
High School at Colégio Realengo
January 11, 2030 - January 6, 2026
Oracle Credential at Oracle
February 1, 2022 - January 6, 2026
Intcom Certificate at Intcom
May 1, 2018 - October 1, 2020

Qualifications

Oracle Credential
February 1, 2022 - January 6, 2026
Oracle Application Integration Cloud Platform Specialist
January 11, 2030 - January 6, 2026

Industry Experience

Software & Internet, Professional Services, Financial Services, Media & Entertainment, Telecommunications