Senior Software Engineer (Fullstack - React Python) (Heroica Puebla de Zaragoza)

About the Company

Our client is an innovative technology company transforming the future of animal agriculture through data-driven insights and connected systems. Backed by leading investors and trusted by producers worldwide, they develop intelligent platforms that combine software, sensors, and analytics to enhance animal welfare, operational efficiency, and sustainability.

About the Role

We are seeking a Senior Fullstack Engineer to join a collaborative, fast-paced engineering team. In this role, you’ll take ownership of key product and infrastructure initiatives that drive scalability, performance, and user experience across a growing digital platform.

You’ll work hands‑on across the stack—from React and Next.js frontends to Python APIs—while shaping the future of the fullstack architecture. This position is ideal for an engineer who thrives on solving real‑world challenges, enjoys working across disciplines, and embraces the opportunity to make meaningful impact in an evolving industry.

Responsibilities

• Design, develop, and maintain high‑quality web interfaces using React and Next.js
• Build and extend Python-based APIs and data‑driven backend services
• Lead initiatives to improve scalability, observability, and system resilience
• Partner closely with cross‑functional teams, including product, data, and customer success
• Mentor teammates and contribute to the evolution of the fullstack architecture
• Occasionally assist with internal IT or infrastructure‑related tasks as needed

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or a related field
• 5+ years of professional experience in software engineering
• 2+ years of hands‑on experience with React and Next.js
• Proven ability to design and maintain production‑grade APIs using Python
• Strong understanding of systems design, cloud‑native environments and infrastructure automation
• Proficiency in SQL and data modeling
• Proactive mindset with strong ownership, collaboration, and communication skills

Preferred Experience

• Familiarity with Zustand , Google Cloud Platform (GCP) , or Vercel
• Exposure to AI/ML systems , particularly in production environments
• Experience with Flutter or cross‑platform mobile frameworks
• Comfort assisting with occasional internal IT tasks (e.g., device setup, troubleshooting)

Tech Stack

• Frontend : React, Next.js
• Backend : Python, SQL, DBT
• Cloud : Google Cloud Platform (BigQuery, Cloud Functions, Firebase)
• Mobile : Flutter

Benefits & Why Join

Impactful Technology : Contribute to meaningful innovations that improve animal welfare and operational efficiency in agriculture.

Collaborative Culture : Work with a mission‑driven team that values teamwork, transparency, and continuous learning.

Growth and Ownership : Join a fast‑moving environment where your ideas directly influence products and outcomes.

Comprehensive Benefits : Competitive compensation, health coverage, versátil PTO, and opportunities for professional development.

This is an opportunity to make a tangible impact through technology—building systems that solve real problems for real people.