Andres – AWS, React, Typescript

A web3 platform focused on blockchain-based financial products and on-chain infrastructure.

• Designed and built Go backend services powering blockchain payment workflows, subscription billing infrastructure, and on-chain transaction processing.
• Developed and maintained Solidity smart contracts implementing secure token interactions, contract events, and recurring payment logic.
• Designed blockchain event-processing pipelines to synchronize on-chain activity with backend services and trigger reconciliation workflows.
• Built secure APIs supporting wallet activity, transaction processing, blockchain integrations, authentication, authorization, and rate limiting.
• Developed Next.js and React applications integrating smart contracts and backend APIs for real-time visibility into balances, transactions, and system state.
• Designed MongoDB data models optimized for wallet activity, transaction history, application metadata, and event-driven updates.
• Designed and deployed containerized services on AWS using ECS and managed services to support scalable production workloads.
• Implemented structured logging, monitoring, metrics, and alerting to improve observability and production incident response.
• Collaborated with product and design to translate protocol-level requirements into reliable user-facing financial features.
• Developed automated testing frameworks and automated testing suites in Go and TypeScript to validate backend services and ensure reliable releases.

Several projects as a part of an agency that was focused on connecting customers with brands, creating engaging experiences/stories and solving complex business problems with the use of design thinking, data and the latest digital technologies.

• Established DevOps culture and Go microservices best practices across a 5-person team.
• Architected HIPAA-compliant healthcare payment infrastructure using Go microservices, reducing processing time by 30% and ensuring 99.9% uptime.
• Led cloud infrastructure modernization by migrating a legacy monolith to containerized microservices, reducing AWS costs by 25% and improving auto-scaling capabilities.
• Built modern frontend interfaces with Next.js and TypeScript for healthcare dashboards, improving user experience and reducing load times by 40%.
• Implemented advanced CI/CD pipelines with GitHub Actions and Jenkins, achieving zero-downtime deployments and reducing deployment time from 2 hours to 15 minutes.
• Optimized AWS architecture by redesigning network topology and load balancing, reducing API latency by 67% and increasing throughput by 50%.
• Built automated testing frameworks with integrated security scanning and automated testing to improve code coverage from 45% to 85%.
• Developed backend services in Node.js alongside Go microservices to power real-time healthcare dashboards and account management workflows.

A nationally recognized substance abuse and mental health treatment center.

• Designed and built the company's core software platform end-to-end, owning backend architecture, application development, cloud infrastructure, and production deployments.
• Modernized legacy PHP systems while introducing Go services and React and Vue.js applications for new internal tools and business workflows.
• Architected and maintained AWS infrastructure supporting multiple applications and 12+ subsidiary websites with centralized deployment and monitoring.
• Built custom internal tools and automation systems that streamlined marketing, lead management, data processing, and operational workflows.
• Improved website performance and technical SEO across company properties through application optimization, infrastructure improvements, and automated performance tooling.
• Integrated 17 third-party APIs connecting marketing, analytics, lead generation, and internal business systems.
• Served as the primary hands-on technical decision-maker for platform architecture and engineering implementation across backend, frontend, and infrastructure.

Several projects via a company providing IT services and advanced technology solutions to organizations of every size and industry.

• Refactored a monolithic PHP application into a microservices architecture, improving system reliability by 25%.
• Built CI/CD pipelines with Jenkins and GitHub Actions, enabling continuous deployment for 8 development teams.
• Optimized API performance with Redis caching and database optimization, reducing response times by 60%.
• Implemented a containerization strategy across development and production environments, resulting in faster deployments, more reliable application performance, and easier management of software updates.