Senior React Developer (JointJS Experience) - short term project

Freelancer, Part-time · Brno

Your mission

Role purpose:
Build an interactive canvas to model microgrids (battery systems, inverters, meters)
Use JointJS+ for diagramming and customize its behavior beyond default features
Implement a responsive React-based UI for configuring, connecting, and saving device layouts
Collaborate daily with our product & engineering team (CET time zone)

Your profile

Requirements

Proven history of delivering projects using JointJS + React (please provide examples or GitHub repos)
Experience customizing diagramming libraries (custom shapes, connectors, behaviors)
Ability to work independently and communicate clearly with distributed teams
Based in Europe (preferably within UTC to UTC+2)Nice to Have
Familiarity with SCADA systems, energy dashboards, or microgrid/EMS tools

Nice to have

Familiarity with SCADA systems, energy dashboards, or microgrid/EMS tools

We're looking for a skilled freelancer for a short-term project.
If you're available and open to meaningful collaboration, we'd love to hear from you!

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About us

Wattstor is an energy technology company committed to removing all obstacles to the clean energy transition. We provide everything businesses and communities need to generate, store and manage their onsite renewable electricity.

Our mission is to deliver fully financed onsite energy systems at a lower rate than grid electricity. We want to provide everything organisations need to generate, store and manage renewable electricity onsite, making net zero a reality.

With the best EMS on the market, cost-efficient solar and BESS systems, and the ability to design and deliver bespoke renewable projects, we can pave the way for your path to net zero – removing all obstacles en route and supporting you at every stage of the process.Our mission is to deliver fully financed onsite energy systems at a lower rate than grid electricity. We want to provide everything organisations need to generate, store and manage renewable electricity onsite, making net zero a reality.

With the best EMS on the market, cost-efficient solar and BESS systems, and the ability to design and deliver bespoke renewable projects, we can pave the way for your path to net zero – removing all obstacles en route and supporting you at every stage of the process.

Apply for this job

Join our team.

Thank you for your interest in Demo Daten GmbH. Please fill out the following short form. Should you have difficulties with the upload of your data, please send an email to demodaten@demo.de.