React Developer Intern

Salary Unpaid

Are you ready to be part of WasteHero and help us to help us saving the world with the technology of tomorrow? You will be part of an organization which is on a mission to redefine the modern-day waste management industry. Become part of a group of talented and like-minded people. We are on a mission to create a greener and cleaner future with smart waste collection worldwide!

You will be part of our Aarhus office (able to work onsite) and work closely with our existing cloud team. We only recruit interns who we believe have the required abilities and ambition to get either a permanent or part-time position afterwards. During your internship, you will be trusted with a lot of responsibility, and have control over your own projects.

We aim to have the position occupied by the first of August or September. Interviews will be conducted throughout the entire recruitment process. The internships are unpaid and are normally 4-6 months, however, we are flexible to find a fitting solution.

Job description

As a React Intern Developer at WasteHero, you will be able to challenge yourself with cutting edge technologies. The perfect candidate would have a deep understanding of React.js, JavaScript, HTML and CSS, and should thrive with freedom and responsibility.

  • Develop new features to solve real-life customer problems

  • Collaborate with designers, product managers and experienced software engineers

  • Work in a fast-paced environment with opportunities to grow and gain more responsibility

  • Help us with improving and scale our platform as we continue to grow

  • Set your mark on products and new launches - your projects are your responsibility


  • Ensure the technical feasibility of UI/UX designs

  • Working with software features, project structures, APIs, integrations and microservices

  • Be responsible for developing new features from mock-ups to functional tools for our users

  • Work in collaboration with experienced developers, designers and managers

  • Gain hands-on experience with modern framework and languages

The Essentials

  • You are currently enrolled in a relevant bachelor’s or master’s degree program either in Computer science or a similar education

  • Experience with working with technical and non-technical people

  • Good understanding of; React, JavaScript, HTML and CSS

  • Some experience with React and function components

  • Experience using common design patterns. High standards for code quality, maintainability, and performance

  • Feel comfortable with: Jira and GitLab

  • A natural curiosity for new scripting languages, frameworks, and technologies

  • Knowledgeable with Agile – Scrum way of working


  • Proficient with TypesScript

  • Experience creating, maintaining and shipping top-ranking web applications

  • Experience with StoryBook or other design systems

  • Experience working with

  • Experience with usability testing

  • Experience with ES6+, Node.js

  • Worked with GraphQL, Apollo GraphQL and GraphQL subscriptions

  • Understanding of web development UI/UX design principles and best practices

About you

A curious mindset, eagerness to learn and be challenged, and enthusiasm about joining a scaleup where freedom and responsibility are valued over formal procedures is a must. We also expect you to have:

  • A strong technical sense, and a methodical work approach

  • You value scale-up culture, where things move fast and not everything is defined, but up for grabs!

  • You have a fail fast/test approach and are willing to make mistakes as part of a learning process

  • Fluent in English and can communicate technical information, both written and spoken

Overall, you need to be a highly motivated and proactive team player who can help to enrich the quality of work delivered by our development teams.


  • Fluent in English (Fluency in Danish is a bonus)

  • Thrives in a social role and gains energy from talking to our customers

  • Brings a self-starter attitude to work every day and isn’t afraid to take initiative

  • Has exceptional communication skills and is collaborative between departments

  • Enjoys versatility in their daily tasks and is willing to help drive changes throughout the company

  • Is highly organized and detail-oriented

About WasteHero

WasteHero is on a mission to redefine the category for modern day waste management software with the use of data. 90% of the world’s waste is collected at the wrong time.

At WasteHero we help cities and businesses reduce their CO2 emissions and collection costs by as much as 50% by monitoring the fill level in the bins and containers in real-time so we can dispatch collections at just the right time. We are a fast-growing and ambitious company with a solution touching customer in 35+ countries. We’re venture backed from Silicon Valley investors. We are determined not to stop before we are the world-leading provider of the most sustainable and cost-efficient solution for modern waste management software.

About the Team

We are passionate product builders who love to create high-quality software platforms that cities and companies can use to avoid wasting resources emptying empty bins and avoid overflowing ones. 

At WasteHero, we believe that technology has the power to make waste collection more efficient and sustainable. Our mission is to empower our customers to become greener, cleaner, and smarter. The company encompasses a highly diverse team (10+ nationalities) of 30 skilled and lovely people working together in cross-functional teams ranging from sensor, cloud, sales and growth!


  • You thrive in a relaxed but ambitious environment

  • You enjoy being trusted to deliver, without micromanagement and like influencing what you do

  • Being a part of a multinational and social team of dedicated colleagues sounds appealing to you

  • Work in a great office space at a nice location in the heart of Aarhus

Do you fulfil the requirements and can see yourself thriving within a fast-paced company? Does WasteHero sounds intriguing for you, and does it match the description for your autumn internship. if so, we would love to hear from you!

For more information or questions please contact us at or phone number +4560481851

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.

Free coffee / tea
Free coffee / tea

Get your caffeine fix to get you started and keep you going.

Near public transit
Near public transit

Easy access and treehugger friendly workplace.

Social gatherings
Social gatherings

Social gatherings and games; hang out with your colleagues.

Free office snacks
Free office snacks

Peckish after lunch? We got your back with soft drinks, treats and fruit.

Skill development
Skill development

We want to take you from good to great.

See all 8 benefits

Working at

WasteHero is building devices to monitor activity, including bin fullness, temperature and fill rates, to identify waste generation patterns. Data from bins are collected on the WasteHero’s web-based platform, which produces real-time analysis for city officials and businesses to visualize the fullness of every trash bin simultaneously and deploy haulers only when needed. WasteHero Fleet Management and Intelligent Routing harness AI and machine learning to present reports containing actionable insights that help waste management officials identify areas in need and track the efficiency of improvements over time. The insights can help mitigate container overflow, reduce the number of overall collections, guide bin placement and optimize operational efficiency.

Read more about WasteHero

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