// Hello, world!

I'm Ramon
Seugling

Software Engineer shipping high-traffic features at Mercado Libre — Latin America's largest e-commerce platform (400M+ monthly users). Full-stack JavaScript: React, TypeScript and micro-frontend architectures on the client, Node.js and Express on the server. Focused on code quality, user experience, and measurable impact.

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Ramon.tsx

1// Software Engineer

2import { Engineer } from './universe'

4export const Ramon = () => (

5 <Engineer

6 name="Ramon Seugling"

7 role="Software Engineer"

8 stack={["TypeScript", "React", "Node"]}

9 impact="GMV +6.5% 🇧🇷"

10 />

11)

Ramon Seugling

Software Engineer

Experience6+ years

LocationFlorianópolis, Brazil 🇧🇷

LanguagesEN · PT · ES

DegreeB.Sc. Information Systems

Click to flip

Years experience

400M+

Impacted users

9M+

Daily API calls saved

// 01. experience

Where I've worked

Software Engineer

Mercado Libre — Florianópolis, Brazil (Hybrid)

Oct 2024 – Present · 1 yr 8 mos

Current role

Led frontend development of the Supermarket Store Selector — drove +6.5% Gross Merchandise Value (GMV) / +1.2% new buyers in Brazil and +12.3% GMV / +14.3% new buyers in Mexico in Mercado Libre's supermarket vertical, one of LATAM's highest-traffic e-commerce surfaces.
Eliminated 9M+ unnecessary daily API requests through frontend optimization, reducing infrastructure costs and alert noise.
Built the Cart Awareness feature contributing to +0.94% Net Merchandise Value (NMV) / +2.03% new buyers in Chile and +0.93% NMV / +0.73% new buyers in Mexico.
Built Datadog dashboards and monitors that reduced critical incident detection time by ~60% — adopted into the team's on-call workflow.
Shipped features across 12+ frontend projects spanning micro-frontends, design systems, and shared UI libraries; operate AI-augmented workflows daily (Cursor, Claude, Codex) as a core part of delivery.
Mentor junior engineers through pair programming and PR reviews; lead internal tech talks and frontend knowledge-sharing sessions.

ReactTypeScriptNext.jsNode.jsBFFsMicro-frontendsServer-Driven UISSRLernaJenkinsPlaywrightDatadogNew RelicCursor / Claude / Codex

Software Engineer

BRy Technology — Florianópolis, Brazil

Sep 2020 – Sep 2024 · 4 yrs

Easy Sign: Frontend lead on a new electronic-signature REST API product. Built React/Next.js/TypeScript interfaces with Material UI and an iframe integration for client embedding; reduced PDF document loading time by ~45% for high-volume signature flows.
BRy Signer: Full-stack engineer on a white-label e-signature platform. Migrated scheduled jobs from node-cron to Kubernetes CronJobs (improved observability + automated alerting); integrated third-party WhatsApp API for signature-flow notifications.
Digital Certificate Issuing: Frontend lead on flagship product issuing 100K+ certificates/month. Implemented biometric validation (face-api.js, fingerprint scanners) and embedded Jitsi Meet video conferencing for Brazilian PKI compliance. Spearheaded MVP from concept to production with Docker, Kubernetes, and GitLab CI.

ReactTypeScriptNext.jsNode.jsExpressMobXMaterial UIAnt DesignJestReact Testing LibraryPlaywrightDockerKubernetesGitLab CI/CDPostgreSQLPHPLaravel

Software Engineer Intern

FEESC — Santa Catarina State Telemedicine System, Florianópolis, Brazil

Apr 2019 – May 2020 · 1 yr 1 mo

Contributed to one of Latin America's largest public telemedicine platforms — serving 300+ municipalities with tele-education, teleconsultation, second opinion, and telediagnosis services. Delivered features and bug fixes across web systems.

JavaScriptPHPjQueryPostgreSQLZend Framework

I'm Ramon
Seugling

Where I've worked

Things I've built

Tools of the trade

Education & certifications

Let's connect.

I'm RamonSeugling

Where I've worked

Things I've built

Tools of the trade

Education & certifications

Let's connect.

I'm Ramon
Seugling