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Victor – Node.js, React, AWS, experts in Lemon.io

Victor

From Andorra (UTC+2)flag

Full-stack Web Developer|Senior
Front-end Web Developer|Senior
Back-end Web Developer|Middle-to-senior

Victor – Node.js, React, AWS

Victor is a Senior Full-Stack Engineer with strong expertise in React, TypeScript, and Node.js, complemented by practical experience with AWS and GenAI integration. He combines solid architectural thinking with a product-focused mindset and end-to-end ownership, confidently driving solutions from discovery through delivery across both frontend and backend. A clear and collaborative communicator, he works effectively with users and stakeholders, translates business needs into pragmatic technical solutions, and manages trade-offs with a strong focus on user impact. His autonomy, proactive communication, and mature stakeholder management make him particularly well-suited for startup environments and roles requiring independent ownership of product development.

10 years of commercial experience in
AI
Construction
Main technologies
Node.js
3 years
React
5.5 years
AWS
3 years
Next.js
5 years
Additional skills
React Native
CQRS
Amazon CloudFront
GraphQL
OpenAI
LLM
AWS Lambda
Datadog
Vercel
AI agent development
Direct hire
Possible
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Experience Highlights

Senior Frontend Engineer
Sep 2025 - Ongoing9 months
Project Overview

Construction marketplace connecting homeowners, real estate agents, and property investors with vetted contractors and service providers for renovation, maintenance, and repair projects.

Responsibilities:
  • Rearchitected and modernized the codebase, improving maintainability, enforcing strict type safety, and reducing technical debt;
  • Established agentic AI development practices and integrated AI agents into engineering and operational workflows;
  • Automated key workflows to improve operational efficiency and reduce manual effort;
  • Scaled the platform to support expansion into multiple markets;
  • Built and maintained a Claude Enterprise ecosystem to improve team productivity and knowledge sharing;
  • Continuously researched, validated, and implemented new product and process ideas;
  • Identified business opportunities, pitched solutions to stakeholders, and led implementation end to end;
  • Led the company's branding and product identity initiatives.
Project Tech stack:
React
TanStack
AI
Senior Full Stack Engineer
Nov 2021 - May 20253 years 6 months
Project Overview

Product discovery and user research platform that enables teams to validate product ideas through unmoderated user testing, usability analysis, and structured feedback.

Responsibilities:
  • Increased adoption of card sorting by introducing an accessible drag-and-drop flow in React;
  • Boosted participant recruitment and engagement by launching an embeddable React research widget with branding customization and targeting;
  • Improved accessibility compliance and inclusivity by enhancing a React-based Design System in Storybook to meet WCAG AA standards;
  • Increased design consistency and reduced design debt by championing adoption of the React/Storybook Design System and writing practical documentation;
  • Led end-to-end development of unmoderated study features, improving researcher insights, enhancing participant experience, and scaling the platform for enterprise adoption;
  • Reduced CDN expenses by 65% through AWS CloudFront optimizations, including tree-shaking, lazy widget loading, frontend caching, and performance improvements;
  • Collaborated on rebuilding the GraphQL Results API, migrating from a monolith to a microservice and reducing load times;
  • Developed AI Theme Detection leveraging LLMs, with prompt experimentation, versioning, and evals;
  • Delivered AI-powered follow-up questions by integrating with OpenAI and refining prompts;
  • Led a design comparison initiative in React/Node.js, enabling users to test multiple variants within the same study;
  • Created an Accessibility Hub that promoted inclusive design and engineering best practices across teams;
  • Led observability improvements by enhancing logging, creating Datadog monitors, configuring proactive Slack alerts, and defining SLOs;
  • Rebuilt the CSV export system, replacing a fragile AWS Lambda with a robust, testable service.
Project Tech stack:
AWS
Amazon CloudFront
GraphQL
LLM
OpenAI
React
Node.js
Datadog
AWS Lambda
Storybook
Solopreneur (Acquired)
Jan 2020 - Dec 20244 years 11 months
Project Overview

Created and launched a global platform for houseplant enthusiasts to discover, learn, and connect around plant care.

Responsibilities:
  • Built a static site with Next.js, deployed on Vercel, optimized for SEO and performance;
  • Led UX/UI, marketing, and development as solo founder;
  • Grew the community to 1,000+ Slack users and 18k monthly visitors through 100% organic traffic.
Project Tech stack:
Next.js
Vercel
Senior Software Engineer
Dec 2020 - Oct 202110 months
Project Overview

Headless commerce platform that enables businesses to manage products, content, and digital storefronts through a flexible API-first architecture.

Responsibilities:
  • Improved brand consistency and usability by redesigning the taxonomy map, aligning it with product guidelines, and enhancing node interactions;
  • Enabled monetization by implementing the frontend for new payments and pricing pages with React and GraphQL APIs;
  • Accelerated developer adoption by creating a Vue.js starter kit with a prebuilt storefront;
  • Supported onboarding by hosting a live YouTube session showcasing the starter kit, helping developers understand its architecture, and adopt it faster.
Project Tech stack:
React
GraphQL
Vue.js

Education

2016
Programación informática, aplicaciones específicas
Grado Superior en diseño de aplicaciones web
2013
Ingeniería de telecomunicaciones
Grado en Ingeniería

Languages

English
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