Senior Software Developer Fullstack, hibrido

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. 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.

&##Proven track-record of building scalable software solutions with data-heavy uses cases

. We don’t care as much about

years

of experience but about

wealth

of experience in challenging situations and verticals. Strong software architecture and system design fundamentals

. With the advent of AI-tools that are proficient (and faster) at writing code, the role of designing the architecture and systems is more critical than ever. Passion for our mission of fighting climate change with clean tech.

Clear and rigorous communication

. Building software at a startup is 90% communication (with stakeholders, with customers, with team members, with AI-assistants) to align, understand requirements and ideate an optimal solution. We listen closely, ask questions, and design with empathy. If it doesn’t create value for our users, we don’t build it. Strive for Excellence:

We take pride in the quality of our work. Whether it’s a product demo, a customer email, or a line of code—we push for high standards and constantly raise the bar for ourselves and each other. We treat others with respect, assume good intent, and communicate openly—even when it’s hard. Impact:

Your code will directly accelerate renewable energy project financing, contributing to global decarbonization efforts &##Flexibility:

Hybrid work model in beautiful Barcelona, 2.5-day/week in-person &##You’ll work directly with the founding team and have real ownership over your projects.