Vicente Reig Rincón de Arellano — Fractional Engineering Lead Est. 2020
Founders and execs bring me in at inflection points. I help them ship through the transition.
20 years shipping software—New Relic, Apple, Atlassian. I build product, lead small teams, and help them change how they ship without lowering the bar. Agents are part of that work.
My clients are teams with pressure already on the system. Bootstrapped founders chasing revenue. Funded teams chasing growth. Companies hardening revenue-critical systems. You got it into the world. Now it has to survive success.
Let's talk. hey@vicente.services
Jev makes it easier to get a classifier running. And with the excitement that comes with new tools, it is easy to overlook what it takes to keep it doing its job.
I join teams as a fractional engineering lead or embedded builder. We agree on the work, my involvement, and a monthly retainer before starting.
I also offer consulting and coaching sessions for individuals and teams on technical decisions, product challenges, and engineering leadership.
Email hey@vicente.services with a few lines about what you’re building, where you need help, and your timing. You don’t need a finished brief.
If there’s a fit, I’ll suggest a session or a longer engagement, with a fee agreed upfront.
Navigate the Series A → B inflection point. At Finalis, early decisions no longer fit their scale—a system built for millions when reality was thousands. I guided simplifying 23 microservices into a monolith that matches their actual success ($10M ARR). At Tray.ai, refounded the Education Squad and rebuilt the documentation platform—20 content writers now ship without engineering bottlenecks. At StaffingReferrals.com, optimized response times from minutes to sub-second.
Turn your AI experiment into a production-ready system. At Bounti.ai, I stabilized a GenAI prototype into a pipeline powering their AI Sales Assistant ($800K ARR). At Medicoder, designed EHR integrations and LLM classification pipelines for PHI/PII in skilled nursing facility workflows. At Apple, built the Classifier & Recommendation System processing customer feedback across macOS, iOS, and tvOS.
Embedded at Netlify, I’m building a high-throughput billing ledger that makes every cent explainable. I’m also shaping the Accounts & Revenue team around it, so ownership stays with them—because a system only you can support isn't an asset, it's a liability with your name on it.
Coach teams to ship faster with less friction. At Apple, moved from fortnightly releases to daily continuous delivery. At New Relic, established onboarding that got new hires shipping in their first week. At Atlassian, built 24/7 on-call and incident management practices.
From napkin sketch to revenue. I work alongside founders on product, software, operations, and the first team. At Scout Fuel, I partnered with co-founders from PMF discovery through production: built the MVP, automated fuel optimization for trucking companies across North America, set up customer reporting. They now distribute 5M+ gallons/month.
Build and lead the engineering team as your business grows. At Atlassian, led 10 engineers on the Experimentation Platform (P99 5ms, 24/7 on-call). At New Relic, built a team of 8 driving $1MM quarterly self-serve revenue. At Apple, scaled from 3 to 80 web instances + 94 background workers. At Scout Fuel, hired and coached the team that built the first marketable version.
At 10,000 events a second, typed batches cut modeled S3 PUT cost from $129,600 to $12.96 a month. DuckDB writes the usage data as durable Parquet.
AI companies do not have to replace your job to become the place where your job happens.
AI coding tools can reduce some technical-debt work. Teams still have to identify the customer problem blocking delivery.