Nathalia Bruno

Owned features end to end across multiple B2B SaaS products, from talking to users and defining problems through building, shipping, and iterating on real usage data.

• ▪Architected FidoTabby Alert V2 from 0 to 1: API contracts, NestJS backend with PostgreSQL and Prisma, Amplitude and Segment instrumentation, and React frontend through production rollout.
• ▪Proactively refactored legacy patterns in a 7-year-old Rails + React monolith serving millions of users, improving maintainability without breaking existing behavior.
• ▪Implemented FlagSmith feature flags and session recordings, then used real usage data to drive product decisions and iteration priorities.

First engineering hire after co-founders, owning frontend features end to end with no playbook and making independent decisions from problem definition through production.

• ▪Established component patterns, documentation standards, and code review culture the team built on going forward.

Owned product analytics and ecommerce engineering end to end across high-traffic browsing and checkout flows.

• ▪Caught a broken GTM attribution pipeline right after joining; it had been misfiring for four months and misreporting acquisition. Fixed it and recovered $30k/month in wasted ad spend.
• ▪Owned product analytics end to end: Amplitude event tracking, cohort analysis, A/B experiment design, metric selection, and sample sizing.
• ▪Led a team of 4 engineers through a full headless checkout migration, defining architecture, owning zero-downtime DNS cutover, and writing post-launch documentation throughout.
• ▪Improved Core Web Vitals (LCP, CLS, INP) significantly across high-traffic browsing and checkout flows.

Delivered multiple SaaS and commerce products end to end, owning architecture, instrumentation, and post-launch iteration.

• ▪Built and shipped a B2B invoice management platform, a supply chain compliance SaaS product, and headless commerce storefronts.
• ▪Built a Shopify webhook pipeline using Azure Functions to trigger Klaviyo flows and sync review data to Yotpo, owning the event-driven system from design through production.

Owned growth experiments end to end across Shopify Plus storefronts, from hypothesis to implementation, analysis, and iteration.

• ▪Drove 30-40% conversion uplifts through A/B tests on checkout and conversion flows.
• ▪Led engineering on Flyers (drinkflyers.com), an Awwwards Honorable Mention ecommerce site built 0 to 1 with GSAP animations and custom Shopify interactions.
• ▪Trained new engineers on component patterns and documented the shared library so the team could ship without starting from scratch.

Embedded in Creditas's Acquisition Tribe with CAC as the north star metric and data-driven iteration as the operating model.

• ▪Instrumented Amplitude tracking across acquisition flows, built CMS-driven pages optimized for SEO and conversion, and documented integration patterns for the team.

Progressed from engineering to product leadership while building and scaling ecommerce, marketplace, and SaaS systems across Brazil.

• ▪Took Predize from zero to live with paying customers after user interviews, Jobs to Be Done discovery, product specs, and team hiring; the platform now operates across 6 Latin American countries with 4,500+ integrated stores and R$300M+ in AI-generated sales.
• ▪Owned technology for a 10-brand retail group, including ERP and marketplace integrations, logistics pipelines, and acquisition systems, while hiring and coordinating vendors end to end.