Full Stack Software Engineer

Building reliable APIs and modern web products for enterprise-scale workflows.

I'm Nicolas Alves, a Brazil-born engineer currently working remotely in Spain. At Grapevine, I build core API and frontend modules in a microservices ecosystem with AI-driven features and automation workflows.

Let's talk View Experience

23%

Revenue growth in client projects

35%

Performance gains across websites

300+h

Hands-on advanced technical training

About

Product-minded engineer focused on architecture, delivery and business impact.

I specialize in API engineering and modern web applications with clean architecture principles. In my current role, I ship end-to-end features across backend and frontend, including Conversations, Contacts, Pipelines, AI Agents, Automations and multi-tenant administration.

NestJS

TypeScript

React

Next.js

Java

Spring Boot

PostgreSQL

Redis

RabbitMQ

Docker

Microservices

Multi-tenant

Current focus at Grapevine

Backend

NestJS, Prisma, PostgreSQL, Redis, RabbitMQ and ZOD.

Frontend

React + TypeScript SPA with high-complexity CRM modules.

Engineering scope

Code reviews, architecture decisions and scalability work.

Experience

End-to-end software engineering across backend, frontend and delivery

Nov 2025 - Present

Full Stack Software Engineer

Grapevine

Developing and maintaining the main API with NestJS, Prisma (PostgreSQL), Redis, RabbitMQ and ZOD in a microservices ecosystem.
Building and evolving the frontend SPA with React, TypeScript, Vite and Tailwind CSS for enterprise CRM workflows.
Implementing modules for Conversations, Contacts, Pipelines, AI Agents, Automations, Reports and multi-tenant configuration.
Participating in architecture decisions, code reviews, and initiatives focused on reliability and scalability.
Working with a fully containerized infrastructure using Docker and Docker Compose.

Jan 2025 - Nov 2025

Software Engineer / Full-Stack Developer

Freelancer

Developed and deployed a full e-commerce platform using Java, Spring Boot, Next.js, TypeScript, JavaScript, PostgreSQL and Docker.
Contributed to architecture decisions and production readiness, helping increase client revenue by 23%.
Maintained and enhanced 5+ client websites in Spain with 20+ feature updates and 50+ bug fixes.
Improved website performance by 35% and increased user satisfaction from 3.2 to 4.5 out of 5.

Education

Strong academic base and consistent practical training

Mar 2022 - Dec 2025

Bachelor's Degree in Information Systems

Estacio

Core subjects: Programming Logic and OOP, Web and Mobile Development, Databases and SQL.
Covered Software Engineering, Architecture, Networking, Cloud Computing, Data Structures and Algorithms.
Strengthened project management, AI and emerging technologies knowledge through team projects.

Jan 2024 - Jan 2025

ONE Program (Free online education)

Alura + Oracle

Intensive training focused on Java and Spring Boot development and RESTful API design.
Practical learning in MySQL database management, software architecture patterns and cloud fundamentals.
Completed 300+ hours of hands-on portfolio-oriented training.

Projects

Selected work focused on product quality and real business outcomes

Anubis Dimitri

An e-commerce platform for a spiritual influencer dedicated to caring for crows and animals, featuring an integrated payment system using Stripe.

Java · Spring Boot · React · Next.js · PostgreSQL · Docker