Available for Full Stack opportunities

Lucas Silva

Full Stack Software Developer

Vila Nova de Gaia, Portugal

Full Stack Software Developer with experience building internal APIs, web applications, and workflow automations. I mainly work with TypeScript, Vue 3, React, Java, Spring, and Quarkus.

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Based in Portugal, building for the web.

Focus

APIs + Web Apps

Stack

TypeScript / Java

Skills

A full stack toolkit for modern product teams.

A practical overview of the technologies I use across frontend delivery, backend systems, data, tooling, methods, and design productivity.

Languages

TypeScriptJavaScriptJavaLiquid

Frontend

Vue 3ReactNext.jsHTMLCSSTailwindCSS

Backend

Spring BootSpring BatchQuarkusNode.jsRedis

Databases

PostgreSQLMySQLMicrosoft SQL Server

APIs & Integrations

RESTGraphQLShopify

DevOps & Cloud

GitDockerVercelGitLab

Testing

JUnitPlaywright

Currently learning

Technologies and practices Lucas is actively deepening through portfolio work, professional projects, and focused study.

AngularReactQuarkusNext.jsVercelSystem design fundamentalsAI-assisted workflow tools

Previous experience

Technologies Lucas has worked with before, but does not currently use as part of his main day-to-day stack.

PythonRubyRuby on RailsReact NativeThree.jsMongoDB

Projects

Selected projects across support automation and Shopify websites.

A focused selection of public and private work, from a customer support chatbot to live Shopify websites with custom Liquid, CSS, JavaScript, and GraphQL implementation.

CDI Chatbot

Customer support chatbot for Ciências do Investimento, built with a Vue 3 widget and a Java 21 Spring Boot API. It handles FAQ-style support, conversation state, safe escalation to human support, and financial-advice guardrails.

Vue 3TypeScriptJava 21Spring BootPostgreSQLRedis

Details GitHub Demo

Ciências do Investimento Website

Built on Shopify with custom code for an investment consulting and financial education brand, focused on content structure, service discovery, and brand consistency.

LiquidCSSJavaScriptGraphQL

DetailsDemo

Portugal Soluções Website

Built on Shopify with custom code for Portugal Soluções, presenting advisory services, training, articles, and contact pathways for clients interested in Portugal-based solutions.

LiquidCSSJavaScriptGraphQL

DetailsDemo

My current professional work is mainly in private GitLab repositories, with public GitHub used mostly for selected personal and portfolio projects.