(Senior) Backend Engineer — Trading & Asset Optimization

You'll join the team that owns energy trading and asset optimization at trawa - the engine that turns market signals and live asset data into smart, automated decisions. It's a data-intensive, high-stakes part of trawa's tech platform where good engineering directly moves the numbers that matter. We're looking for someone who loves building complex systems, takes real ownership of what they ship, and makes the people around them better. You'll shape architecture, drive initiatives end-to-end, and help define how the team builds.

Responsibilities

Designing and building the backend systems behind our trading and asset-optimization platform; Owning initiatives end to end: gathering requirements with product and trading colleagues, shaping the approach, and rolling it out iteratively; Working at the intersection of backend and data - modeling and moving data so it's reliable, explorable, and useful to the people who depend on it; Raising the bar on quality, observability, and how we reason about correctness in a system where mistakes are expensive; Operating and maintaining what we build

Requirements

You've built complex, data-intensive systems and can point to projects you're proud of; You've owned a large initiative end-to-end; You put the team first; You're comfortable making architectural decisions in an evolving codebase; You're drawn to hard, meaningful problems

Nice to have

Experience with Python/AWS stack (FastAPI, Pydantic, SQLAlchemy, Terraform); Experience at the intersection of backend and data engineering - building scalable data pipelines, modeling data to streamline it, and enabling data exploration for other functions; Exposure to energy, trading, or other real-time, high-stakes domains

Benefits

Real impact; Early ownership; Mentorship that matters; Learning culture; Inclusive by design; Solid benefits; Annual learning budget; Dedicated development time; Family-friendly policies; Competitive package covering wellbeing, learning, and team experiences