Developer; Junior

Design and maintain MySQL and Postgre

SQL databases for engineering applications

Develop backend services and APIs using Go, Python, or PHP

Build and integrate frontend components with React

Collaborate on HVAC calculation tools and energy simulation platforms

Optimize database queries and application performance

Participate in code reviews and technical documentation

• Proficiency in at least one:
  Go, Python, React, or PHP
• Strong knowledge of MySQL and Postgre
  
  SQL (database design, queries, optimization)
• Understanding of RESTful API design and development
• Problem-solving mindset and ability to work independently
• Good communication skills in English
• Based in or willing to relocate to Zaragoza, Spain

• Experience with Docker and cloud platforms (AWS, Cloudflare)
• Familiarity with HVAC systems or engineering calculations
• Knowledge of multiple listed technologies

• Full-time position with flexible working hours
• On-site work in Zaragoza with collaborative team environment
• Competitive salary with revenue-sharing component
• Company equity/share opportunities based on performance and contribution
• Opportunity to work on innovative engineering software solutions
• Professional growth in a technical startup environment