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As a Full-Stack Developer with a Bachelor's in Computer Science, I bridge the gap between complex backend logic and seamless frontend experiences. My expertise lies in the JavaScript/TypeScript ecosystem, specifically React and Node. Currently, I architect solutions for Legal Ops automation, where I've fortified platform security and optimized workflows handling massive financial volumes. Previously, at DD Solutions, I spearheaded the strategic migration of analytics dashboards to React, reducing load times by 40% and automating image annotation workflows that cut manual analysis by 60%. I am passionate about building modular design systems and optimizing database performance using Prisma and PostgreSQL. I am always looking for challenging projects that require scalable architectures and high-performance code.…As a Full-Stack Developer with a Bachelor's in Computer Science, I bridge the gap between complex backend logic and seamless frontend experiences. My expertise lies in the JavaScript/TypeScript ecosystem, specifically React and Node. Currently, I architect solutions for Legal Ops automation, where I've fortified platform security and optimized workflows handling massive financial volumes. Previously, at DD Solutions, I spearheaded the strategic migration of analytics dashboards to React, reducing load times by 40% and automating image annotation workflows that cut manual analysis by 60%. I am passionate about building modular design systems and optimizing database performance using Prisma and PostgreSQL. I am always looking for challenging projects that require scalable architectures and high-performance code.

Ângelo Gabriel Moreira Carvalho Costa

Full Stack Developer, Front-End Developer, Back-End Developer, +2

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As a Full-Stack Developer with a Bachelor's in Computer Science, I bridge the gap between complex backend logic and seamless frontend experiences. My expertise lies in the JavaScript/TypeScript ecosystem, specifically React and Node. Currently, I architect solutions for Legal Ops automation, where I've fortified platform security and optimized workflows handling massive financial volumes. Previously, at DD Solutions, I spearheaded the strategic migration of analytics dashboards to React, reducing load times by 40% and automating image annotation workflows that cut manual analysis by 60%. I am passionate about building modular design systems and optimizing database performance using Prisma and PostgreSQL. I am always looking for challenging projects that require scalable architectures and high-performance code.…As a Full-Stack Developer with a Bachelor's in Computer Science, I bridge the gap between complex backend logic and seamless frontend experiences. My expertise lies in the JavaScript/TypeScript ecosystem, specifically React and Node. Currently, I architect solutions for Legal Ops automation, where I've fortified platform security and optimized workflows handling massive financial volumes. Previously, at DD Solutions, I spearheaded the strategic migration of analytics dashboards to React, reducing load times by 40% and automating image annotation workflows that cut manual analysis by 60%. I am passionate about building modular design systems and optimizing database performance using Prisma and PostgreSQL. I am always looking for challenging projects that require scalable architectures and high-performance code.

Available to hire

As a Full-Stack Developer with a Bachelor’s in Computer Science, I bridge the gap between complex backend logic and seamless frontend experiences. My expertise lies in the JavaScript/TypeScript ecosystem, specifically React and Node.

Currently, I architect solutions for Legal Ops automation, where I’ve fortified platform security and optimized workflows handling massive financial volumes. Previously, at DD Solutions, I spearheaded the strategic migration of analytics dashboards to React, reducing load times by 40% and automating image annotation workflows that cut manual analysis by 60%.

I am passionate about building modular design systems and optimizing database performance using Prisma and PostgreSQL. I am always looking for challenging projects that require scalable architectures and high-performance code.

Skills

Experience Level

Expert

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Language

Portuguese

Fluent

English

Advanced

Work Experience

Full-Stack Developer at Docato

April 1, 2025 - Present

Architected scalable full-stack architectures using Next.js and NestJS to support critical Legal Ops automation workflows, helping a platform process over R$ 1.6 billion in financial automations. Implemented RESTful APIs with JWT-based RBAC, strengthened platform security, designed a modular design system with Shadcn/UI and Tailwind CSS, enabling faster delivery of features; optimized performance with lazy loading and code splitting; standardized API documentation with Swagger; optimized heavy judicial data queries with Prisma ORM and PostgreSQL; improved report generation times and frontend-backend collaboration, reducing friction.

Front-end Developer at DD Solutions

October 1, 2021 - March 1, 2025

Led migration of analytics dashboards from Grafana to a proprietary React and TypeScript system; automated image annotation workflow reducing manual analysis time; optimized legacy SQL queries; integrated high-volume REST APIs to support real-time Big Data streams; established CI/CD pipelines on Firebase and Vercel; built a reusable, type-safe React component library, improving feature delivery.