? We’re hiring: Full Stack Developer (React + Java)

? Remote | CET (Madrid time zone)

? Level: Upper-Middle / Senior

? Experience: 5+ years

? Language: English (required)

What you’ll do

- Develop, enhance, and support a high-load platform
- Build interactive frontend features with real-time data visualization
- Develop and maintain backend services
- Work with event-driven and real-time architectures
- Contribute to architectural and performance decisions

Frontend stack

- JavaScript
- React, Redux, Redux Saga
- WebSockets
- SVG visualization & animation in React
- SCSS, Flexbox, CSS Grid
- Plus: Jest, ESLint

Backend stack

- Java, Spring
- RabbitMQ
- Elasticsearch
- Redis
- MQTT, Modbus

Nice to have

- Basic DevOps skills (CI/CD, deployments, environments)

Why join us

- 100% remote (CET-aligned)
- Technically complex product, not “CRUD only”
- Real impact on architecture and product evolution
- Engineering-first team, low bureaucracy

? Interested? Send a DM or apply directly.

📌 Senior Full Stack Developer (España)
🏢 TRETTO España
📍 España