Jean Rojas.Lead engineer, founder, mentor.

Pandora

World's largest jeweller — 6,800 points of sale, every charm engraved in a different language somewhere right now.

HQ

Copenhagen, DK

Founded

1982

Size

27,000+

Website

pandora.net ↗

• Led the Engraving microfrontend that customers reach from product pages across pandora.net
• Shipped the Bracelet editor — a drag-and-drop charm composer rendered live in WebGL
• Authored the diamond-material recipe (MeshRefractionMaterial + IBL) that powers the homepage hero
• Partnered with Styling Studio and the Group platform team on shared 3D primitives

Squidred

Boutique product engineering studio I founded — a senior pod that does MVPs, redesigns, and the kind of code surgery agencies usually decline.

HQ

Delaware, US · Remote

Founded

2023

Size

Team of 5

Website

squidred.com ↗

• Built and run a five-person pod across design, engineering, and infra
• Drove $200K+ in client revenue across MVPs, rebuilds, and incident work
• Run intake, scoping, technical lead, and final QA on every engagement personally
• Set the bar: senior engineers only, fixed-scope contracts, no junior pyramid

DHL

Global logistics group — every minute, ~13,000 packages move because the Middle Mile routes between hubs hold up.

HQ

Bonn, DE · Worked from Prague

Founded

1969

Size

590,000+

• Shipped React modules on Azure that talked to Python services and Rust workers powering Middle Mile
• Drove cross-team perf, observability, and developer-experience work
• Tightened CI/CD and authored the rollout playbooks new modules adopted

Rakuten Rewards

Cashback and rewards arm of Rakuten Group — formerly Ebates. SF-based engineering org, serverless on AWS Lambda.

HQ

San Mateo, CA · Remote

Founded

1999

Size

2,500+

• Built and tuned serverless functions powering high-throughput rewards features
• TypeScript on Node + Lambda, shipped end-to-end vertical slices across UI, API, and infra
• Worked the agile rhythm of a mature production org — squads, on-call, post-mortems

FactoryFix

Y Combinator-backed hiring marketplace for skilled manufacturing — the platform employers use to find welders, CNC ops, and line leads.

HQ

Chicago, IL · Remote

Founded

2017

Size

50–100

• Designed and led the build of Talent Search — $100K+ first-year revenue
• Architected a framework-agnostic microfrontend approach that survived team churn
• Stood up an open-source design system from zero — tokens, primitives, docs

Coderhouse

LATAM's largest live-cohort coding bootcamp. The backend-JS track ran twice-weekly classes with 50+ students in each room.

HQ

Buenos Aires, AR · Remote

Founded

2014

Size

200+

• Taught backend JS to 300+ students across cohorts — Node, Express, MongoDB, deploy
• Trained tutors so classes stayed consistent across timezones and presenters
• Built a room where questions outnumbered silences — the rare bootcamp comfort

Nexton

LATAM-to-US senior engineering placement firm — they hold the technical bar so US companies don't have to.

HQ

Buenos Aires, AR · Remote

• Ran technical interviews for senior placements with US-based hiring companies
• Trained other screeners so the bar stayed even across panels and accents
• Tracked stack-churn quarterly so assessments stayed honest year over year

Falabella · Mallplaza

Mallplaza is the shopping-centre arm of Falabella — Latin America's largest retail group, listed on the Santiago exchange.

HQ

Santiago, CL · Remote

Founded

1990

Size

10,000+

• Led a Gatsby-themes microfrontend split serving 5,000+ pages across 7 squads
• Cut build costs by ~$200K/yr and freed feature teams from CI gridlock
• Shipped a dynamic schema-form feature that saved $10K+ in Contentful storage
• Mentored the team until senior engineers and tech leads were in place

Areuin

LATAM-focused social betting platform. Solo full-stack on the public landing and the migration off AWS to Azure / Kubernetes.

HQ

Caracas, VE · Hybrid

• Coded the Areuin landing solo — single-canvas WebGL with a polygon-packed sprite engine
• Plumbed After-Effects hero sequences straight into the canvas without exporting frames
• Drove $200K+ in revenue from investor and client interest sparked by the launch
• Migrated infra from AWS to dynamic Kubernetes on Azure — cut cost ~200%

DentalVIP

International dental-clinic group — Firestore-backed template engine running 200+ locale-aware pages.

HQ

Caracas, VE · Hybrid

• Maintained, translated, and refactored 200+ pages — contributed to ~$50K in sales
• Migrated the Jamstack build to a Firestore-backed template engine with React Loadable
• Cut infra costs by ~$30K and scaled cleanly to multiple locales