As a Product Engineer at Companion.energy, you will build the features and interfaces enterprise energy teams rely on to manage millions in energy spend. You’ll own the full stack—from high-performance React dashboards to Python-based data pipelines—translating complex market data into actionable insights that move megawatts and money across the grid.
Product Engineer at Companion.energy
Join Companion.energy to help large enterprises navigate the energy transition. As a Product Engineer at this VC-backed seed-stage startup, you’ll build the mission-critical interfaces that energy managers use to steer megawatts in sync with renewable generation and market prices. This is a high-impact, full-stack role where you’ll own features end-to-end, from polished React dashboards to Python data pipelines. Based in Belgium with a hybrid model, you’ll work directly with founders to shape the future of industrial energy management. If you’re a product-minded developer looking to ship code that actually moves the needle on grid flexibility, this is for you.
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Location
Ghent, Belgium
Compensation
Not Disclosed
Company
Companion
Role overview
Companion.energy provides energy management, forecasting and flexibility software to bridge the gap between energy procurement and operations. The company’s software products unlock the power of electrification, flexibility, and renewables for industrial companies, delivering 10-30% energy costs savings and cost stabilization. Their solution combines real-time energy data with advanced AI-driven decision making to create an intuitive energy management system for complex environments, helping enterprises turn energy from a cost center into a strategic advantage.
What you will do
- Build and polish interactive React dashboards that visualize real-time energy consumption, costs, and flexibility for large-scale industrial sites.
- Develop backend services and data pipelines in Python to process telemetry and market signals, turning predictions into automated operational actions.
- Engage directly with customers and the commercial team to identify needs, prototype solutions, and iterate on end-to-end product features.
Who this is a fit for
- Proven track record of shipping end-to-end features with a focus on polished UI/UX and a mastery of React for building complex interfaces.
- Strong proficiency in Python with the ability to navigate backend services, write APIs, and contribute to data-heavy infrastructure.
- Product-minded engineer who thrives in high-uncertainty environments, proactively talks to users, and balances rapid shipping with software robustness.
Why this role is remarkable
- Ship software that manages million-euro energy decisions, directly impacting the industrial sector’s ability to integrate renewable energy sources and valorize flexibility.
- Join a VC-backed seed-stage startup at the ground floor, shaping the technical architecture and company culture alongside an expert founding team.
- Work in a high-leverage environment using cutting-edge AI development tools like Cursor and Claude to accelerate shipping and iterate on complex data visualizations.
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
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What happens next?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If your profile’s a match and Companion wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.