I'm Adrian Beria a Senior Frontend Web Developer with 10 years of experience who enjoys nice challenges and becomes better everyday. My stack of choice is React, Typescript, Tailwind, Zustand, React Query, Zod, Playwright, Jest, Vite, React Hook Forms, SQLite, Node, Drizzle, Bun and RTL.

• 💡 I like to explore new technologies and develop software solutions and quick hacks
• 🎓 I'm an Electrical Engineer
• 💻 I'm a Senior Lead Frontend Developer
• 🌱 I was a Physics Professor who gave Electromagnetic and Mechanical Physics in an Engineering University for 4 years
• 📫 How to reach me: adrberia@gmail.com
• 🌐 Check my website: https://adrian-beria-website.vercel.app/

AGILITY ADS: Senior Frontend Engineer (2025-2026)

Stack: React, Typescript, Tailwind, Shadcn, Golang, AI Workflows, Claude Code, MCP, Vite

Frontend engineer on 𝐀𝐠𝐢𝐥𝐢𝐭𝐲 𝐀𝐝𝐬 enterprise advertising platform (React 19, TypeScript, TanStack Router, SWR, Tailwind 4, shadcn/ui). Shipped 100+ production features across forecasting, creative, targeting, and billing.

𝐓𝐞𝐬𝐭𝐢𝐧𝐠 & 𝐪𝐮𝐚𝐥𝐢𝐭𝐲 𝐟𝐨𝐮𝐧𝐝𝐚𝐭𝐢𝐨𝐧

• Stood up the platform's testing foundation from zero — Vitest, a renderWithProviders + MSW harness, and unit / integration / component / E2E (Playwright) coverage of the core flows
• Built self-cleaning E2E fixtures and a CI gate (Vitest on every PR + diff-coverage comments); authored the team's testing conventions and the "every PR ships tests" standard

𝐅𝐨𝐫𝐞𝐜𝐚𝐬𝐭𝐢𝐧𝐠 & 𝐚𝐧𝐚𝐥𝐲𝐭𝐢𝐜𝐬

• Translated vague requirements into a shipped forecasting product — diagnosing the need the team couldn't articulate, then building Recharts dashboards, real-time scenario modeling, and a reusable KPI-card system
• Migrated the legacy D3 charting to shared chart primitives; added Excel export and advanced table ops

𝐂𝐫𝐞𝐚𝐭𝐢𝐯𝐞 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 & 𝐀𝐈

• Architected an end-to-end creative-brief workflow with AI-assisted content generation, multi-format image resizing, asset previews, PDF export, and a multi-channel creative schema

𝐂𝐚𝐦𝐩𝐚𝐢𝐠𝐧𝐬, 𝐩𝐞𝐫𝐬𝐨𝐧𝐚𝐬 & 𝐭𝐚𝐫𝐠𝐞𝐭𝐢𝐧𝐠

• Built persona-targeting tools and value-proposition selectors; extracted a shared paginated-combobox used platform-wide
• Integrated the Google Maps API for location search and targeting; contributed a typed per-campaign event log and the campaign-creation flow

𝐁𝐢𝐥𝐥𝐢𝐧𝐠 & 𝐝𝐞𝐬𝐢𝐠𝐧 𝐬𝐲𝐬𝐭𝐞𝐦

• Owned the entire billing frontend — overview, contracts, invoices, statements, and contract-scoped transactions — with print/PDF layouts; shipped ahead of the backend and aligned schemas as endpoints landed
• Led migration of legacy components to the shadcn/ui design system + tokens; maintained the atomic-design library and enforced quality with Biome and PR reviews

𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐈𝐦𝐩𝐚𝐜𝐭

• React 19, TypeScript, TanStack Router, SWR, Tailwind 4.x, shadcn/ui
• Implemented Biome for code quality and a reusable atomic-design component library
• Shipped all features with thorough testing, PR reviews, and enterprise-grade standards

Freelance: Senior Fullstack Engineer (2023-2025)

Stack: React, Typescript, Tailwind, Node, PostgreSQL, REST, Vite, Next JS, Kotlin

• Built product which was composed by a Mobile App, an Admin Panel and a Backend, where the client can send information to the user through an Admin Panel made with Vite/React which communicated with the Backend made with Bun, Hono, Drizzle and Typescript.
• Working on a Financial Startup which product is a Dashboard made with create-react-app, tailwind and typescript with Golang as the backend. Adding features to the product.
• Training an LLM, a client requested that the outputs for an LLM to be reviewed, if it didn't deliver, then code the right response, purely Frontend related tasks.

MEMORABLE AI: Senior Fullstack Engineer (2022-2023)

Stack: React, Typescript, Tailwind, Node, PostgreSQL, GraphQL, Vite, Next JS

• Promoted to Team Leader within four months, leading a team of five developers in a cross-functional collaboration between Marketing, Design and Data teams, where we developed a real-time campaign performance dashboard powered by an in-house Machine Learning model, empowering data-driven marketing decisions.
• Contributed to development of an image editor integrated with an LLM called Ad Maker tool, shipped to Product Hunt.

VASCAR SOLUTIONS: Senior Fullstack Engineer (2020-2021)

Stack: React, Redux Toolkit, Typescript, Tailwind, Go, PostgreSQL, GraphQL

• Promoted to Team Leader within two months, managing a team of six developers and mentoring junior engineers.
• Built an AI-powered finance dashboard featuring interactive tables, maps, real-time notifications, enhancing user adoption rates.

TECNO MAKERS SAS: SSR Frontend Engineer (2019-2020)

Stack: React, Redux, Javascript, Styled Components, Node, Storybook

• Developed engagement platform for Discovery Channel integrating their social media, strengthening audience interaction.
• Implemented React components and pages for Discovery Channel’s main website, improving user engagement.

INNOVATIVE ALGORITHMS: Frontend Engineer (2018-2019)

Stack: React, Redux, Typescript, Bootstrap, Node, Storybook, PostgreSQL

• Built dashboard to guide users through product purchases, integrating Google Maps API, Stripe, reuseable React Table which features asynchronous operations, search, sorting, paginating, filtering, which improves data management efficiency.

FREELANCE: Frontend Web Developer (2015-2018)

Stack: HTML, CSS, Javascript, jQuery, PHP

• Developed website (http://www.domoviz.com/) where we created a CMS for the client to upload their own images and manipulate the text in the site.

UNEXPO (UNIVERSITY): Professor at Engineering University (2014-2017)

• Gave theoretical Mechanical and Electromagnetic Physics classes.

• 📎 Resume