React Frontend UX/UI Developer (Part-Time)

Salary Competitive
Equity To be negotiated

Do you have professional experience as a Frontend and UI/UX developer using React TS and React-Admin and a passion for Green-Tech and eMobility?

We are looking for someone who is excited to work in an agile and passionate team, and who wants to contribute with hands-on UX/UI development providing maximum user experience and a professional look-and-feel for the user interface of the FLEXeCHARGE Smart Charging Platform.

Do you have a gained experience in previous positions designing and coding user interfaces using React Type-Script and preferable also using React-Admin? Are you excited maximise the user experience for the users of our platform and are you familiar with all UI/UX stages such as design, development, maintenance, testing, and the final rollout?

Are you interested in working with research and development experts with cutting-edge technologies and a highly educated and focused team?

Then, here is your chance to join a fast-moving and innovative green-tech startup company!

The position

FLEXeCHARGE is a software engineering scale-up that closed its pre-seed investment round with teams in Copenhagen and Germany. We are looking for a student UI/UX developer who wants to grow and develop together with us.

The product

FLEXeCHARGE develops advanced load- and energy management software solutions for electric vehicle charging infrastructures. Our platform integrates the charging infrastructures with the utility grid to enable emission-free transportation. The FLEXeCHARGE software platform supports owners of large-scale charging infrastructures to charge their electric vehicles faster, greener, and cheaper. Our Smart Charging Solution consists of our vendor-independent smart charging Software as a Service (SaaS) platform and our local edge-computing IoT Gateway to interface local energy resources, solar inverters, energy storage, and EV charging stations. One of our key differentiators, due to our architecture, is the ability to develop and implement customer-specific smart charging solutions efficiently.

Visit our website to learn more about our solutions:

Your Tasks

You will be the principal UI/UX developer for the user interface of our FLEXeCHARGE Smart Charging Platform. The FLEXeCHARGE Smart Charging Platform enhances new and existing charging infrastructures with advanced load and energy management services and smart charging features. It is compatible with any charging station and Charge Point Management System (CPMS) on the market, and it is completely vendor-independent. The platform plugs in between the charging station and the CPMS using the standard Open Charge Point Protocol (OCPP).

The user can group charging stations of charging infrastructure into clusters for which advanced he can select smart charging and load management services such as static and dynamic prioritisation, solar-based charging, and the integration of power meters to measure additional loads such as a building and many more. Further, the user can select a specific Charge Point Management System (CPMS) for each charge point.

Our smart charging platforms allow monitoring of the state of the charging infrastructure and the allocation of charge currents and the energy flow at the infrastructure in real-time but also to watch historic energy flow data. Further, the user gets summaries about energy flows over specific time horizons, e.g., the ratio of grid to consumption from local solar panels.

The platform user can configure the load and energy management system with full user experience in and simple, self-explanatory way. And the user interface of our smart charging platform is the only touch-point for the user of our products, and thus an extraordinary user experience is essential.

You will work closely with our backend system developers, full-stack developers, and the complete software engineering department. You will also collaborate with the marketing and product management team to ensure that we fulfil the demands and expectations of our users.

Your tasks

  • Being responsible for the user interface and the user experience of our smart charging platform

  • Being accountable for the quality and reliability of the UI also implementing UI functional testing

  • Support custom-specific projects and specific implementations for customers

  • Improvement and further development of the user interface

  • Collaborate using Gitlab, Slack, Linear, etc.  

Your Profile

You have a degree in the field of computer science, software development, or similar, and passion for UI and UX design:

  • You have experience from previous positions as a front end developer in React, preferable using React-Admin and TypeScript.

  • You have a Can-Do attitude, are structured, take full responsibility, and are not afraid to execute on your own.

  • You gained already experience and are passionate about the technologies mentioned above.

  • Know your way around Gitlab and pull requests.

  • You love to provide maximum user experience and are able to present complex data in a simple and user-understandable way.

  • You are curious about future technologies and creative with an eye for perfection.

  • You excel in communicating with many new people and love to do so.

  • You are fluent and professional in written and oral English. German is a plus but not required.

What we offer you

You will help grow an innovative and purpose-driven startup company with multiple tasks and take responsibility for your projects. And you will be working alongside our energetic founder team, which burns for creating new innovative energy solutions.

We offer you a competitive student salary. This is a unique chance to grow together with the company from day one and provide the possibility to kickstart your career in one of the most exciting industries of our decade.

We give you maximum flexibility regarding the location from which you prefer to work. You can either join us in one of our offices in Copenhagen (from October 2022) or in the Rhein/Ruhr region in Germany (from January 2023) or decide to join us remotely. The only thing we require is a working permit inside the EU.

As a Front End Developer at FLEXeCHARGE, you will directly report to our CTO Robert Brehm who leads our R&D efforts with his academic experience and network and likely future collaborations with universities or their students in the future. 

This all comes with a steep learning curve, high flexibility, and impact.

The Application Process

We continuously evaluate incoming applications and conduct interviews accordingly. The position is open until the right candidates have been found.


For more information or questions please contact us at or phone number +49 151 58889872

Perks and benefits

This job comes with several perks and benefits

Flexible working hours
Flexible working hours

Time is precious. Make it count. Morning person or night owl, this job is for you.

Skill development
Skill development

We want to take you from good to great.

Remote work allowed
Remote work allowed

You know how you perform best. Work from your couch, your favorite cafe or abroad when you feel like it.

Social gatherings
Social gatherings

Social gatherings and games; hang out with your colleagues.

Working at

FLEXeCHARGE is a green tech start-up which offers a SaaS Smart Charging Platform for Electric Vehicle (EV) fleets. Our mission is accelerate green mobility through our Smart Charging solutions that make charging faster, greener and cheaper. Our vision is to integrate charging infrastructures better with the grid supply and the production of renewable energy. Similar to what Salesforce achieved for customer relationship management, we want to connect electric vehicles with the grid in a whole new way. By seeing electric vehicles not, as a risk for our supply grid, but a crucial asset for the transition towards 100% renewable energy. We do this through constant innovation of new smart charging features which will make us the preferred partner for EV infrastructure owners, developers, and operators.

Read more about FLEXeCHARGE

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