jarcodallo

Designed and deployed microservices for Ethereum and Polygon blockchain integration, facilitating transactions, smart contract operations, and real-time data access to bridge traditional finance with decentralized networks. Integrated Plaid and Stripe, enabling streamlined fiat transactions and connecting fiat with crypto ecosystems for US-based users. Managed and enhanced PostgreSQL databases for optimal performance, ensuring data integrity and high availability, supporting strategic decisions and platform efficiency.

Developing Node.js and TypeScript backend services, focusing on scalable, efficient server-side applications for robust data management. Creating intuitive interfaces for a seamless user experience, enhancing full-stack development skills. Ensuring software code quality, comprehensive testing strategies, reliability and well-organized codebase. Contributed to open-source projects for production networks, maintaining a clean and tested codebase across blockchain technologies. Implemented CI/CD pipelines, automated testing, and Docker for deployment process efficiency and system reliability. Developed for major blockchain applications like Polkadot, Aave, TheGraph, and Gnosis, focusing on production-level open-source coding.

Key contributor in scaling Medallia's Conversations product by developing microservices using Node.js, Docker, and Apache Kafka. Implemented databases such as PostgreSQL, Cassandra, and Redis for optimal data management and scalability. Cultivated a culture of code quality and execution precision through rigorous code reviews. Empowered junior and mid-level developers through technical coaching and mentorship.

Steered technical development, design, and systems implementation for Mercado Pago, focusing on JavaScript, Node.js, and Express. Orchestrated project management through JIRA and Trello, ensuring timely and quality deliverables. Implemented automation and performance monitoring using Gulp, Webpack, and New Relic. Fostered an environment for continuous learning, guiding junior developers.

Define all aspects of development from appropriate technology to coding standards. Develop high-quality software design and architecture using PHP, NodeJS, Javascript, HTML and SQL. Monitoring and administration of current products. Provide ongoing maintenance, support and enhancements in existing systems and platforms.

Design, code, and support software solutions that can easily be scaled depending on client needs using technologies like PHP(Symfony2), Python, HTML, CSS and Javascript (Jquery, Bootstrap).

Develop an inventory management web application in PHP(Symfony2 & Laravel), Python 2.7 (Django, Web2py), HTML, SASS and Javascript.