💼 Full-Time Position

Senior Software Engineer - Fullstack Frontend - Founding Team

🏢
TetraxAI
📍 Spain, catalonia, Spain
📍
Location
Spain, Spain
📅
Posted
June 04, 2026
Type
Full-Time
🎯

Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

Job Description

☀️ Accelerating the Energy Transition, One Algorithm at a Time


TetraxAI is revolutionizing renewable energy infrastructure development, making it 100x faster and 10x cheaper through a cutting-edge B2B SaaS powered by AI.

Join our founding team of exceptionally experienced entrepreneurs:

  • Marta: Energy M&A lawyer with +2GW in transactions under her belt
  • Arnau: PhD in EECS, architected smart pricing algorithms at WalmartLabs
  • Katya: Launched Amazon Flex across 4 countries, scaling operations from scratch


 Your Mission

As a Founding Team member, you'll be responsible for designing, building and operating the software that will enable the processing of millions of documents and terabytes worth of project information every day, helping developers and investors make better decisions in a shorter time.


Core Responsibilities:

  • Design, devel...