Working Student - Product Designer (m/f/d)

KO Working Student - Product Designer (m/f/d)
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1KOMMA5° is a German CleanTech company offering integrated solutions for CO2-neutral energy, heat, and mobility, including solar panels, energy storage, heat pumps, and EV chargers, all managed by their 'Heartbeat AI' software.
1KOMMA5˚
Employee count: 1001-5000
Germany only

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1komma5°

At 1KOMMA5° , we pursue a clear vision: Living on wind and sunlight forever for free . To make this a reality, we are building the energy system of the future with Heartbeat AI. Want to be part of it?

We bring together regional craftsmanship and scalable software: We don't think of solar, batteries, heat pumps, and e-mobility as isolated components, but control them as an intelligent, integrated overall system in our virtual power plant. Directly connected to the electricity market – in real time, fully automated. This way, energy is used when it is available from renewables and particularly cost-effective. By 2030, our goal is to transition 1.5 million households to renewable energies. Over 2,000 people are working towards this every day, at more than 80 locations worldwide, from Finland to Australia.

Want to take responsibility and build solutions that truly matter? Apply now and help us shape the energy world of tomorrow.

Learn more about our Product & Tech team!
deine position

We are looking for an AI-native designer working student to embed directly into our B2C mobile app team. You won't be doing side tasks; you'll be shaping our flagship consumer product, the Heartbeat app.

You can onboard and ideate quickly on complex technical energy concepts, prototype fast, and you've already figured out how to use AI as a force multiplier in your design workflow.
This role sits at the intersection of craft and impact. You'll own the full design loop — from shaping the problem, to shipping polished and production-ready app experiences.
As a Product Designer you will

- Own end-to-end design for core app features — from discovery to delivery
- Leverage AI to enhance every step of the design process
- Elevate the product experience - you can take things from good to excellent
- Run effective user research — interviews, usability tests, and surveys
- Partner closely & proactively with PMs, engineers, and data scientists
- Synthesise complex data into simple, elegant product decisions
- Advocate for the user in a fast-moving, technical environment
- Tools: Figma, Cursor, Notion, Linear
- Skills: AI-First Design, Prototyping, User Research, UX Process, Data Visualization, Mobile App Design

dein profil

You don't need to tick every box — but this is the mold we're hiring for. If this profile sounds like the person you're becoming, we want to hear from you.

- Educational background - you’re currently enrolled in a Bachelor’s or Master’s program program in User Experience Design, Interaction Design, Human Computer Interaction, or a related field
- AI native — you use AI tools daily in your design process and can show us the work
- Block-shaped — equally strong and curious in UX process, visual design, UI craft, and cross-functional collaboration
- End-to-end ownership — you've taken features from 0 to 1, from messy problem statement to shipped product
- Mobile app design fluency — you’re proficient in mobile app design patterns
- High agency — you spot gaps and fill them without being asked
- Builder mindset — you care about things being made, not just imagined
- Excellent communicator — you bring clarity and efficiency to verbal & written communication; our working language is English; fluency in German is a big plus

benefits

- You are part of an international, dynamic, and highly motivated team of people who have proven to make things happen
- With your work, you accelerate the "energy transition" and hence have a direct impact on our climate
- Work with and learn from other super-smart colleagues
- You will enjoy direct contact with core decision-makers
- You will enjoy the best chances of entering full-time in one of Europe’s most thriving scaleups
- You work remotely (Germany-wide), with offices in Hamburg, Berlin or Munich
- Create a healthy balance alongside your work and enjoy all the benefits of the EGYM Wellpass
- Benefits and discounts are yours with Futurebens

Apply now
Job expired?

Please let 1KOMMA5˚ know you found this job on Himalayas. This helps us grow!

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About the job
Apply before
Oct 22, 2026
Posted on
Aug 23, 2026
Job type
Part Time
Experience level
Entry-level

Education
Bachelor degree
Postgraduate degree

Location requirements
Suggest an edit

Germany

Hiring timezones
Show UTC offsets

Germany +/- 0 hours

Job categories
Product Design UX Design UI Design Working Student Product Design Intern Product Designer UX Design Intern UX UI Design Intern Associate Product Designer UI UX Design Intern UX Design Internship Design

Skills
Figma Cursor Notion Linear AI First Design Prototyping User Research UX Process Data Visualization Mobile App Design Interaction Design Human Computer Interaction UX Design

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About 1KOMMA5˚

Learn more about 1KOMMA5˚ and their company culture.

View company profile

1KOMMA5° is a CleanTech company founded in Hamburg, Germany, in 2021 with the mission to enable a CO2-neutral life for everyone. The company operates as a one-stop shop for intelligent and integrated energy solutions, including photovoltaics, electricity storage, heat pumps, and EV charging stations. 1KOMMA5° aims to make buildings holistically carbon-neutral by providing the necessary technology for decentralized, clean energy supply, mobility, and heat. The company's core technology is the energy management software 'Heartbeat AI,' which optimizes energy consumption and connects customers' systems to the energy market, effectively creating Europe's largest virtual power plant. This system allows customers to benefit from fluctuating renewable energy availability and market prices, aiming to provide the cheapest and cleanest electricity from sources like sun and wind.

Since its inception, 1KOMMA5° has experienced rapid growth, expanding its operations across multiple countries, including Germany, Sweden, Finland, Denmark, Spain, the Netherlands, and Australia. The company has achieved this expansion through a combination of organic growth and strategic acquisitions of leading electrical sector companies specializing in photovoltaics, charging infrastructure, and heat pumps. By integrating these local expert businesses, 1KOMMA5° strengthens regional craftsmanship while providing access to its proprietary software solutions, centralized services, and growth capital. The company's vision is to convert 1.5 million buildings to a climate-friendly energy supply by 2030, significantly contributing to the achievement of the Paris climate targets.

With a strong focus on innovation and sustainability, 1KOMMA5° is committed to driving the energy transition and empowering individuals and businesses to reduce their carbon footprint and energy costs, ultimately striving for a future where living on wind and sunlight is forever free.

Tech stack

Learn about the tools and technologies that 1KOMMA5˚ uses to build, market, and sell its products.

View tech stack

Flutter

Node.js

Ruby on Rails

Next.js

NestJS

Ruby

TypeScript

Google Cloud Platform

GitHub Actions

Terraform

React
2 more

1KOMMA5˚ employees can create an account to update this tech stack.

Employee benefits

Learn about the employee benefits and perks provided at 1KOMMA5˚.

View benefits
Wellness benefits

Enjoy EGYM Wellpass and all the sporty benefits that come with it.

Flexible working hours

You can, may and should work when and where it is best for you and your team.

Home office budget

Receive your favorite hardware equipment (iPhone, Mac/Windows laptop, AirPods etc.)

Company events

Work in flat hierarchies , take on responsibility during your induction and work directly with parts of the management.

View 1KOMMA5˚ 's employee benefits

Apply now
Job expired?

Please let 1KOMMA5˚ know you found this job on Himalayas. This helps us grow!
Apply now

About the job
Apply before
Oct 22, 2026
Posted on
Aug 23, 2026
Job type
Part Time
Experience level
Entry-level

Education
Bachelor degree
Postgraduate degree

Location requirements
Suggest an edit

Germany

Hiring timezones
Show UTC offsets

Germany +/- 0 hours

Job categories
Product Design UX Design UI Design Working Student Product Design Intern Product Designer UX Design Intern UX UI Design Intern Associate Product Designer UI UX Design Intern UX Design Internship Design

Skills
Figma Cursor Notion Linear AI First Design Prototyping User Research UX Process Data Visualization Mobile App Design Interaction Design Human Computer Interaction UX Design

Browse similar jobs
Remote Entry-level Product-Design Jobs Remote Part Time Product-Design Jobs Remote Entry-level Product-Design Jobs in Germany Remote Part Time Jobs in Germany Remote Product-Design Jobs in Germany

Claim this profile KO 1KOMMA5˚

Company size

1001-5000 employees

Founded in

2021

Chief executive officer

Philipp Schröder, Jannik Schall

Markets
Electric Vehicle Charging Infrastructure Energy Storage Renewable Energy Energy Management Software Photovoltaics Heat Pump Technology Virtual Power Plants Smart Home Clean Tech Green Building Solutions

Employees live in
Germany

View company profile

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