Senior Full Stack Engineer (Node.js / React.js)

We are an international technology scale-up in a strong growth phase, building our own product with a strong focus on Artificial Intelligence, Data and Automation .

Our mission is to transform the way people invest in Real Estate by combining AI, advanced analytics and technology . Operating across multiple international markets, we are entering a key stage of growth where Artificial Intelligence will become a core pillar of both our product and engineering strategy .

What will you do?

Your mission as the Full Stack Engineer will be to code alongside a high-performing remote team of ~5 engineers . You will act as the technical anchor for the team, driving a critical strategic transition: creating a unified codebase across Web**(React),** Backend (Node.js) and cloud (AWS).

You will not only design scalableServerless architectures and intuitive UIs but also foster a culture of technical excellence.

Key responsibilities:

- Unified Architecture: Design a cohesive strategy for our Web (React/Node.js) platform, maximizing code reuse and consistency .
- Robust Backend: Develop and optimize backend services using Node.js, TypeScript, and Serverless architecture (AWS Lambda/SST) to ensure scalability and security .
- High-Quality Frontend:



Oversee and contribute to the development of responsive web applications in React and mobile apps in React Native .
- Best Practices: Enforce clean, maintainable, and testable code , champion SOLID principles , and drive adherence to modern CI/CD workflows .

Requirements:

- 5+ years of total professional experience in software development.
- Hands-on experience with Serverless architectures (AWS Lambda) .
- Proficiency with Git and CI/CD pipelines for both mobile and web.
- Deep practical knowledge of SOLID principles, system architecture, and Clean Code techniques.
- Architectural Mindset: Ability to balance fast iterations with long-term scalability and stability .
- AI-First Mindset: Experience using AI tools (e.g., Cursor, Copilot) to accelerate development cycles.
- Fluent in Spanish and English (Mandatory)

What we offer:

- Competitive salary package.
- Hybrid work model with flexibility .
- Adaptable working hours , focused on ownership and outcomes.
- 23 days of paid vacation .
- Gympass membership: discounts on sports and wellness activities.
- Training and development opportunities .
- International, fast-growing product environment.
- Direct impact on product and business decisions.
- Modern tech stack with real autonomy to propose improvements.
- Agile culture, strong technical team, and quality-driven mindset.

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📌 Senior Full Stack Engineer (Node.js / React.js) (España)
🏢 Tamarind Intelligence
📍 España