Engineering leader with 6+ years scaling teams at Mercado Libre, the Inter-American Development Bank, and itti. Currently driving AI-first engineering practices (Claude Code, Codex, Cursor) while leading architectural transformations of complex systems. Building high-trust teams. Trusted by senior stakeholders to align cross-functional teams and influence roadmap priorities in matrix organizations. https://gabrielvargas94.github.io/en-UShttps://gabrielvargas94.github.io/#muvhttps://gabrielvargas94.github.io/#muvLed a full architectural transformation of a high-concurrency mobile platform (React Native + Java microservices on AWS & GCP), significantly improving system stability and NPS scores.Sun, 01 Dec 2024 00:00:00 GMT<ul><li>Led a full architectural transformation of a high-concurrency mobile platform (React Native + Java microservices on AWS &amp; GCP), significantly improving system stability and NPS scores.</li><li>Introduced AI-assisted development practices (GitHub Copilot, Cursor, Superpowers) across the 12-person team, accelerating delivery cycles and reducing repetitive development overhead.</li><li>Designed and delivered a micro-apps architecture that decoupled deployments, enabling independent team velocity and reducing cross-team bottlenecks.</li><li>Championed engineering quality standards: code review culture, observability tooling, and incident response processes that brought reliability to production-grade levels.</li><li>Deployed and managed cloud infrastructure on AWS and GCP, ensuring compliance, scalability, and uptime.</li></ul>React NativeJavaAWSGCPMicro-apps ArchitectureHigh-Concurrency SystemsEngineering Leadershiphttps://gabrielvargas94.github.io/#ittihttps://gabrielvargas94.github.io/#ittiOversaw strategic engineering initiatives and team performance across key products (Monchis, then muv) within itti's ecosystem.Mon, 01 Jul 2024 00:00:00 GMT<ul><li>Oversaw strategic engineering initiatives and team performance across key products (Monchis, then muv) within itti&#39;s ecosystem.</li><li>Align engineering, product, and design in a cross-functional environment; negotiate priorities with business stakeholders and engage senior leadership on technical strategy and quarterly planning.</li><li>Embedded in a core team (&lt;40 people) driving itti&#39;s AI adoption strategy — rolling out Claude Code, Cursor, and AI-assisted development practices across the broader engineering organization.</li></ul>AI Adoption StrategyClaude CodeCursorEngineering LeadershipTechnical StrategyPeople Managementhttps://gabrielvargas94.github.io/#monchishttps://gabrielvargas94.github.io/#monchisLed a full architectural redesign of the mobile platform (React Native + microservices on AWS), achieving stability and performance improvements that impacted user retention.Mon, 01 Jul 2024 00:00:00 GMT<ul><li>Led a full architectural redesign of the mobile platform (React Native + microservices on AWS), achieving stability and performance improvements that impacted user retention.</li><li>Integrated and modernized legacy systems, enabling new feature development and restoring engineering momentum.</li><li>Delivered the platform stabilization and architectural redesign, leading to internal reassignment to the muv product line to replicate these results at greater scale.</li></ul>React NativeAWSMicroservicesArchitectural RedesignEngineering Leadershiphttps://gabrielvargas94.github.io/#mercado-librehttps://gabrielvargas94.github.io/#mercado-libreLed a team of 8 engineers across design, delivery, and execution — collaborating directly with technical leads on architecture decisions while owning team performance and roadmap.Sun, 01 May 2022 00:00:00 GMT<ul><li>Led a team of 8 engineers across design, delivery, and execution — collaborating directly with technical leads on architecture decisions while owning team performance and roadmap.</li><li>Owned and co-architected high-stakes financial processing tools built on Golang, handling daily multi-million-dollar batch workloads at the core of MercadoPago&#39;s operations.</li><li>Maintained and scaled a critical internal operations platform trusted by 100+ internal teams, central to MercadoPago&#39;s core workflows and consolidating data across all business units.</li><li>Drove adoption and evolution of a frontend framework used as a core standard across the organization, improving reliability and developer experience at scale.</li></ul>GolangFinancial SystemsTech LeadershipEngineering ManagementDistributed Systemshttps://gabrielvargas94.github.io/#gm2https://gabrielvargas94.github.io/#gm2Engaged as a technical consultant on a short-term, high-priority project with a critical delivery deadline.Mon, 01 Mar 2021 00:00:00 GMT<ul><li>Engaged as a technical consultant on a short-term, high-priority project with a critical delivery deadline.</li><li>Restructured the project architecture, resolved key technical blockers, and led the team to a successful on-time production launch.</li></ul>Technical ConsultingArchitectural Refactoringhttps://gabrielvargas94.github.io/#idbhttps://gabrielvargas94.github.io/#idbDelivered engineering for multiple projects at one of the world's most influential multilateral development banks.Sun, 01 Mar 2020 00:00:00 GMT<ul><li>Delivered engineering for multiple projects at one of the world&#39;s most influential multilateral development banks.</li><li>Managed cross-functional teams of 60+ people across engineering, design, product, and policy, ensuring delivery across complex, multi-stakeholder environments.</li><li>Presented technical strategy and trade-offs to C-level leadership and influenced roadmap priorities across a large matrix organization.</li><li>Reduced time-to-market by 30% by addressing technical debt and implementing Microfrontend architecture using Angular and Vue, enabling modular, independently deployable frontends across multiple product teams.</li><li>Engaged initially as a full-time consultant, then continued as a flexible contractor leading internal projects — a structure that allowed concurrent engagement with Mercado Libre from May 2022 onward.</li></ul>MicrofrontendsAngularVueC-Level CommunicationCross-functional LeadershipMatrix Organizationshttps://gabrielvargas94.github.io/#qu-poshttps://gabrielvargas94.github.io/#qu-posDeveloped a complex configuration system for a restaurant POS platform using Vue, within an international team based in Washington D.C.Thu, 01 Nov 2018 00:00:00 GMT<ul><li>Developed a complex configuration system for a restaurant POS platform using Vue, within an international team based in Washington D.C.</li><li>Contributed to product and engineering improvements that helped establish the company as one of the top players in the U.S. restaurant software market, serving thousands of franchise locations.</li></ul>VueFrontend Architecturehttps://gabrielvargas94.github.io/#freelancehttps://gabrielvargas94.github.io/#freelanceDelivered end-to-end web and mobile projects for clients across multiple industries, with primary focus on Angular, Vue, and React Native.Sun, 01 Jun 2014 00:00:00 GMT<ul><li>Delivered end-to-end web and mobile projects for clients across multiple industries, with primary focus on Angular, Vue, and React Native.</li></ul>AngularVueReact Native