<aside> 👋 I'm a software engineer based in Lima Peru with 10 years of experience in the software industry. Full-stack | Backend developer with experience using Java, Spring Boot, Microservices, and Frontend Typescript frameworks.

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Contact

📧 [email protected]

🔗 linkedin.com/in/rafaelescala

👾 github.com/rafaesc

📍 Lima, Peru 🇵🇪

💻 Tool and Technologies

Languages: Java · TypeScript · JavaScript · SQL · MariaDB · MySQL · Redis

Frameworks/Libraries: React · Next.js · VueJs · Angular · Tailwind CSS · Spring Boot · JPA/Hibernate · Node.js · Express

Others: Microservice · AWS · Docker · RabbitMQ · REST APIs · JUnit · Mockito · Git · Feature flags

👨‍💻 Professional Experience

Java Engineer & React Typescript Developer

Metadata.io, San Francisco, EEUU – (Oct 2018 - Present)

• Achieved top-performing developer status multiple times, delivering high-impact features that differentiated the company and accelerated product growth.
• Implemented an agent interface and payment-gateway integration to automate LinkedIn campaign bidding, creating a new SaaS product that expanded our market offerings.
• Developed and integrated an AI LLM agent with data-engineering pipelines and AWS S3, enabling users to generate ads and campaigns on Meta, LinkedIn, and Google via natural language, boosting user engagement.
• Collaborated with the CTO and CEO to drive the release of high-impact products, ensuring strategic alignment and accelerating time-to-market.
• Streamlined error debugging, coordinated across cross-functional teams, and authored design documents, ensuring reliable on-time delivery aligned with business objectives.

Technologies: Spring Boot · AWS S3 · MariaDB · RabbitMq · Redis · React · NextJs· Typescript · Feature flags · Tailwind CSS · JPA/Hibernate

Lead Frontend Developer

Avantica, Lima, Peru – (Aug 2017 - Mar 2019)- 1yr 9m

• Led frontend development as primary client liaison, collaborating with backend teams to deliver every milestone on schedule, achieving 100% client satisfaction.
• Architected a modular Angular framework to enable parallel development streams, increasing team efficiency
• Mentored junior frontend developers, elevating their skill sets and boosting productivity

Technologies: Angular · Typescript · JavaScript · HTML5 · CSS3 · Git · SASS · NodeJs