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I'm a developer with 3+ years of experience building web applications and APIs. I enjoy turning complex problems into clean, maintainable code and I value automated tests to ensure reliability. I'm comfortable working with remote teams in Agile environments, and I frequently use Angular, Node.js/NestJS, SQL/NoSQL databases, Docker, and CI/CD practices to deliver robust solutions.…

Rafael da Silva Marta

Full Stack Developer, Web Developer, Front-End Developer, +1

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I'm a developer with 3+ years of experience building web applications and APIs. I enjoy turning complex problems into clean, maintainable code and I value automated tests to ensure reliability. I'm comfortable working with remote teams in Agile environments, and I frequently use Angular, Node.js/NestJS, SQL/NoSQL databases, Docker, and CI/CD practices to deliver robust solutions.…

Available to hire

I’m a developer with 3+ years of experience building web applications and APIs. I enjoy turning complex problems into clean, maintainable code and I value automated tests to ensure reliability.

I’m comfortable working with remote teams in Agile environments, and I frequently use Angular, Node.js/NestJS, SQL/NoSQL databases, Docker, and CI/CD practices to deliver robust solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Full Stack Developer at Sirros IoT

June 1, 2022 - November 16, 2025

Lead engineer on an image annotation and analysis platform for AI model training, building ingestion pipelines, asynchronous processing with Web Workers and queues, and data storage. Implemented an OCR solution to automate transport document data extraction and a real-time crane monitoring system with telemetry, alerts and reports. Designed a global shifts scheduling module, migrated a geolocation platform API from Node-RED to NestJS, added maps and dashboards, optimized Excel exports (>200k rows), and provided ERP support with invoicing adjustments.

QA Tester at Testing Company

June 1, 2022 - June 1, 2022

Performed manual testing for Web and Mobile apps; executed API tests with Postman; created automated tests with Jest and Playwright; validated data with SQL Server; used TypeScript for automation scripts.

Full Stack Developer (Freelance) at Freelance

January 1, 2025 - November 16, 2025

Built frontends with React.js, Material UI and Tailwind; implemented back-end APIs using Node.js, Fastify, Prisma and Zod; documented APIs with Swagger; designed PostgreSQL and MongoDB databases; containerized apps with Docker; added automated tests (Jest, Playwright).