Osvaldo Mercado

Leader of four core business units: Fintech, Discovery, Search & Personalization for one of the top 1000 (high-traffic) sites on the internet.

• Re-structured teams which helped them deliver new payment processors & payout integrations across a multi-stack system. This increased the company’s global company’s revenue (+8%) and frequency of payments
• Identified and removed technical debt for low-value / high-cost services (+$450,000 USD p/annum) and replaced it with a simplified solution at less than ¼ of the cost, alongside other +100K savings on R&D tax benefits (SR&ED)
• Established automation for KYC/AML across multiple business units which removed ~832 man-hours
• Increased deployment frequency on one team by 1,100% in one quarter

Tech stack: Node.js, AWS (Serverless), Next.js, Vercel, Datadog, Python, PHP (Laravel)

Team Lead for 3 teams in a multi-stack environment (Node.js, PHP, Python & Java) which maintained critical legacy projects across multiple stacks.

• Reduced technical debt and migrated critical infrastructure with zero downtime from a legacy monolith with over 2.8 million LoC, to a microservice architecture (AWS)
• Created new cross-functional teams from the ground up, hired over 15 software engineers / DevOps roles under 6 months
• Moved teams to identify critical user journeys, and implemented e2e test coverage which reduced incidents by 62%
• Established on-call policies and reduced MTTA from +24 hours to under 9.6 mins

Tech stack: Node.js (Typescript/Express/Cypress), AWS (Serverless), Datadog, PHP (Laravel), Python & Java

• Launched a web product from zero to +250,000 MAU and +50K followers across social media channels to cater to the creative community in Animation, VFX, Illustration & VR/AR in LATAM
• Established B2B partnerships with gaming and creative industry companies (Adobe, EA Games, Pixelatl, et al.) and launched ROI-tracked advertising campaigns ($10K - $25K USD marketing campaigns)
• Scaled 2-man operation to 14 people (full-time, part-time & freelancers) within 5 months

• Migrated critical business infrastructure to IaC, AWS serverless and implemented CI/CD pipelines (cost savings of ~72% and increased deployment frequency by 58%)
• Developed crawlers & text categorization scripts (FastText) which handled 60-180 million records per run
• Created coding guidelines, developed guard rails, and hired 12 software engineers across 3 timezones

Tech stack: AWS (Serverless), Node.js (Koa, Cypress), Exim, PHP (Symfony), MongoDB, ELK stack, Vagrant

• SDLC for one of the top gaming companies in Europe, maintained +120 global payment service providers across all games and used by ~300 million players scattered across the globe.

Tech stack: Node.js, AWS, DDD, Elasticsearch, Kibana, LEMP, PHP, Couchbase, MySQL, Chef, Splunk, SonarQube.

• SDLC for data-intensive web apps for a Fortune 5 company. These delivered real-time insights for marketing campaigns, social media tracking and sentiment analysis, ingesting +1 million articles/posts per day
• Led an agile and cross-functional team of 12 people