Lucas Almeida

Staff Frontend Engineer @ Sporty Group

About

Frontend Engineer with 9+ years of experience building high-performance, user-centric web applications across HR tech, fitness, retail, and e-commerce industries. Skilled in modern JavaScript frameworks (React, Next.js) and micro frontend architectures, with a strong focus on clean code, scalable systems, and exceptional user experience. Proven track record of leading technical migrations, architecting reusable design systems, and mentoring engineering teams to adopt best practices. Adept at balancing business goals with technical excellence, ensuring every product decision drives measurable impact. Passionate about crafting pixel-perfect interfaces that are as intuitive as they are performant, and about fostering engineering cultures where quality, collaboration, and innovation thrive.

Country

Brazil

City

São Paulo

Industry

Computer Software

Skill

React.js, JavaScript, CSS, Next.js, Design System, Architectural Design, Google Cloud Platform (GCP), Continuous Integration and Continuous Delivery (CI/CD), Webpack, English, react testing library, enzyme, Django, Python (Programming Language), styled-components, Amazon Web Services (AWS), Amazon S3, Amazon CloudFront, Amazon EC2, Docker Products

Experience

Staff Frontend Engineer

Sporty Group

2026-1 - Present · 9 mos

Frontend Engineer

Sporty Group

2024-8 - 2026-1 · 1 yr 6 mos

Frontend Engineer

JOIN

2023-1 - 2024-5 · 1 yr 5 mos

Berlin, Germany

- Develop and maintain multiple HR platforms enabling recruiters to manage candidates and publish positions across major job boards (LinkedIn, Indeed, etc.), improving hiring efficiency and reach. - Build and optimize frontend features using Next.js and contribute to backend APIs with Express + gRPC, ensuring seamless integration and high-performance user experiences. - Mentor mid-level engineers, providing guidance on technical skills, architecture decisions, and best practices to elevate team performance. - Design and enhance internal developer tools, with a focus on evolving the Design System, streamlining UI consistency and accelerating product development cycles.

Frontend Engineer

Gympass

2020-9 - 2023-1 · 2 yrs 5 mos

- Led the migration of the Partners’ portal from a monolithic isomorphic React app to a micro frontends architecture, designing shared libraries and defining domain boundaries to improve scalability and maintainability. - Architected and implemented reusable UI components and common libraries using React, Webpack, and modern JavaScript best practices, reducing code duplication and accelerating feature delivery. - Directed technical decisions and mentored engineers through 1:1 coaching on code quality, communication, and delivering business value, fostering a stronger and more autonomous team. - Collaborated cross-functionally to optimize features for gym, studio, and personal trainer management, including check-in systems critical to core business operations.