estebgonza

Developed on-chain indexers to cache and pre-calculate real-time data in various databases or caches: Redis and DynamoDB. Migrated legacy stacks to a full serverless architecture using Terraform (ECS, Lambda, EventBridge, DynamoDB, Serverless Redis). Implemented multi-region deployment with failover mechanisms and seamless update processes. Created numerous GitHub modules for authentication and recurring tasks across different teams within the company. Designed and implemented numerous Lambda functions to build data histories, deliver data to partners, and enhance on-chain observability. Orchestrated setup of team roles, ECR registries, and CodeArtifact repositories using infrastructure as code (IaC) to efficiently manage RA2 Tech's diverse projects. Viem, Typescript, Nest.js, Terraform, Ansible, Subpgrah, Rust, Redis, Bun / NodeJS, AWS...

Joined DGFIP as a freelance contractor as part of their modernization initiative to assemble a team of around ten developers tasked with creating a SaaS application for public finance agents. Architected and implemented a significant portion of the infrastructure using Terraform and Ansible to ensure compliance with the graphic standards of the French government. Developed various libraries to integrate our backend with the legacy architecture of DGFIP while incorporating new technologies. Implemented microservices in Node.js and TypeScript, leveraging Redis to create a real-time backend for collaborating on web pages within the web builder platform we were developing. Typescript, Node, Redis, Ansible, Terraform (on premise infra), Vue3, Vitest, Tailwind

Co-founder and developer at a micro-enterprise software editor specializing in SaaS solutions until June. Developed an application tailored for Data Engineers aimed at cost reduction within Google BigQuery. Addressed performance challenges within a Java 8 - Go microservices stack utilizing Pub/Sub, Cloud SQL, and App Engine services. Implemented the Java/Spring Boot/Spring Batch service responsible for analyzing millions of SQL queries sent by our users. Java, Spring, Typescript, Go, NestJS, NodeJS, Vue3, Vuetify , Google Cloud, Terraform...

Engineered a Big Data engine with a focus on Hadoop on-premise and cloud- based data lakes such as Snowflake. Maintained a proprietary networking layer to optimize data transfer within the system. Successfully migrated the Guava thread library to native Java 11 threading for improved performance and compatibility. Collaborated in the creation of features and fixes aimed at enhancing keyword SQL enrichment within the system.