Energy Software Engineer

Ella; Oost-Vlaanderen; Remote; EUR 60,000 - 90,000; Full time

Job summary

Ella is building software that turns energy market knowledge into production-ready models and customer insights. You will work on energy models, data pipelines, and full-stack components that power our product.

Join a small team shipping fast: NextJS and FastAPI for the front- and back-end, with a modern data stack. If you thrive at the intersection of energy markets and software, this role is for you.

Qualifications

• Experience in energy markets (supplier, consultancy, grid operator, or trading desk).
• Proficiency in Python and SQL.
• Experience in data warehousing or data/software engineering is a plus.

Responsibilities

• Develop energy models: forecasting, anomaly detection, peak optimization, scenario simulation.
• Build data pipelines on a modern stack (Dagster, dbt, TimescaleDB, Polars, Modal).
• Make product decisions on what to build and why.

Skills

Python

SQL

Energy market knowledge

Tools

Dagster

dbt

TimescaleDB

Polars

Modal

NextJS

FastAPI

Job description

Ella monitors energy for European SMEs. Quarter-hourly meter data, market prices, capacity tariffs, anomaly detection, forecasting. We're 4 people, and we're shipping fast.

We're looking for someone with energy market experience who can also write Python and SQL. The job is turning domain knowledge into working software: models in production, insights that go directly to customers, research we publish openly.

What you'll work on

• Energy models: forecasting, anomaly detection, peak optimization, scenario simulation
• Data pipelines on a modern stack (Dagster, dbt, TimescaleDB, Polars, Modal)
• Product decisions: what's worth building and why
• Articles and research on energy data
• Full-stack development in our product (NextJS, FastAPI)

What we're looking for

• Energy market background: supplier, consultancy, grid operator, or trading desk
• Hands-on Python and SQL
• Data warehousing or data/software engineering experience is a plus