AntonioSalinas.
I'm a Software Engineer with experience in designing, developing, and maintaining scalable web applications. Specialized in Back-end development with NestJS and Django, and Front-end with Vue 3 and React, working with PostgreSQL, MySQL, and Redis databases. Experienced in production environments with Docker and Google Cloud, focused on optimization, scalability, and robust solutions.
STATUS WORKING @ ARMS
BASED MADRID / REMOTE
YEAR 2026
PORTFOLIO ★ 2026 ★ ANTONIO SALINAS ★ FULL-STACK ★ WORKING @ ARMS ★ MADRID ★ PORTFOLIO ★ 2026 ★ ANTONIO SALINAS ★ FULL-STACK ★ WORKING @ ARMS ★ MADRID ★
ARMS — Internship
Apr 2024 — Aug 2024
▌ Remote
- Software engineering intern, collaborating with the development team on full stack tasks.
- Built user interfaces with Vue.js, focusing on user experience and integration with REST APIs.
- Implemented business logic in the backend with NestJS and TypeScript, ensuring good practices and maintainability.
- Contributed to the design and querying of relational databases in PostgreSQL.
- Applied agile methodologies and tools like Git for collaborative source code management.
ARMS — Full-stack Developer
Aug 2024 — Present
▌ Remote
- Develop and maintain a leading financial SaaS focused on optimizing business cash flow.
- Built back-end microservices from scratch and refactored existing services with NestJS and TypeScript, improving efficiency and scalability with async methods and Redis queues.
- Optimized infrastructure on Google Cloud (Cloud SQL, Cloud Storage, Vertex AI), ensuring high performance and availability.
- Built complete front-end modules with Vue 3 and TypeScript, applying feature-based clean architecture.
- Designed scalable architectures integrating API Gateway, microservices, and internal messaging.
- Implemented analytics and reporting with Elastic and Kibana, creating data views and dashboards.
- Collaborated closely with the CTO on technical decisions and architectural improvements.
IMMUNE Technology Institute
2021 — 2025
▌ Madrid, Spain
- Bachelor's Degree in Software Development Engineering.
- Training in programming, data structures, algorithms, OOP, advanced databases, Big Data, Cloud Computing, Cybersecurity, and AI.
HTML
CSS
JavaScript
TypeScript
React
Astro
Tailwind
Bootstrap
Remix
Python
Django
MySQL
PostgreSQL
SQLite
№ 01 Veterinary Patient Monitoring
Veterinary tracking system to manage pet medical data.
ReactTailwindVite
№ 02 Real-time quoter for the value of major cryptocurrencies across different fiat currencies.
ReactAPI RESTCSS
№ 03 Intuitive tool to record and monitor personal expenses with customizable budget.
ReactLocalStorageCSS
№ 04 Platform to manage customer interactions efficiently.
ReactRouterTailwind
№ 05 Typing game with login, stats dashboard, social system, and real-time chat via WebSockets.
ReactWebSocketsNestJS