Senior Optimization Software Engineer

Powerline; España; On-site; EUR 123,000 - 181,000; Full time

Job summary

Powerline is seeking a seasoned optimization engineer to develop and refine MILP and nonlinear models for battery and renewable energy projects. You will own algorithm performance across Powerline's portfolio and stay up to date with wholesale market developments.

Join a fast-growing climate-tech company applying ML/AI to optimize grid assets, with a strong focus on energy systems, batteries, and renewable integration.

Qualifications

• 5+ years building mixed-integer linear and/or nonlinear optimization models
• Strong knowledge of energy markets, EV/fleet optimization, batteries, VPPs or related energy systems
• Proficiency in Python with professional software engineering standards
• High attention to detail and strong communication skills

Responsibilities

• Develop optimization, forecasting, and control algorithms for battery and renewable projects.
• Take ownership of algorithm performance across Powerline projects.
• Lead as a market rules expert and stay current on wholesale market developments.
• Analyze market data and asset performance to propose new features and methods.
• Communicate complex technical concepts clearly to stakeholders.

Skills

Optimization modeling

Python

Energy markets knowledge

Communication skills

Attention to detail

Education

PhD in OR / EE / CS / Stats / Econ

Tools

Git

SQL (MySQL / PostgreSQL)

CI/CD

Dashboard tools

Job description

Join Powerline and help revolutionize the future of the electricity grid!

We are a disruptive, VC-backed cleantech company based in Silicon Valley. Our cutting-edge technology leverages machine learning and artificial intelligence to optimize renewable energy and battery storage projects on the electricity grid. Our products help renewable project owners achieve strong economics and operational excellence, paving the way for a decarbonized and profitable future grid. We work on exciting projects with leaders in the world’s most lucrative and complex electricity markets.

This is an incredible opportunity to become an early and foundational team member at a climate tech company that is at a growth inflection point, addressing a critical problem in one of the most important and fastest-growing markets.

Responsibilities

• Develop optimization, forecasting, and control algorithms that automate battery and renewable projects to achieve maximum performance.
• Take ownership of algorithm performance across projects operated by Powerline.
• Bring a results-focused mindset that is agnostic to the algorithmic approach as long as it wins.
• Lead as a market rules expert. Take responsibility for staying current on new developments in the wholesale markets Powerline operates.
• Analyze trends in market data and individual asset performance to recommend new features and methods that improve project performance and/or Powerline's offerings.

Requirements

• 5+ years building mixed-integer linear and/or nonlinear optimization models to solve real-world problems with high dimensionality.
• Strong knowledge of energy markets, EV/fleet optimization, batteries, virtual power plants, renewable energy, energy policies/regulations, and/or energy systems.
• Proficiency in Python with professional software engineering standards.
• High attention to detail.
• Excellent communication skills and ability to articulate complex technical concepts.

Strong Pluses

• Ph.D. in operations research, electrical engineering, computer science, statistics, economics, or related field with a strong mathematical foundation.
• Experience with Git, CI/CD pipelines, and agile development.
• Experience with SQL-based databases (e.g., MySQL, PostgreSQL).
• Experience with analytic dashboard development and visualization tools.

Compensation Range: $140K - $205K