Frontend Developer Internship

Salary Unpaid

About the company:

We’re a creative and technical digital marketing growth firm. We work closely with marketing departments of small and large companies internationally. We’re seeking a sharp and eager to learn versatile frontend developer that can do it all. Every day is a little different. You will be exposed to a blend of growth-hacking concepts and help us to develop customized solutions for everything web related. Sounds like fun? We think so too! 

Key Responsibilities

  • Hands-on development of websites, which includes development of HTML/CSS and web pages based on wireframes and visual designs, and implementation of commercial and open source web technologies 

  • Development of dynamic and engaging web functionality using JavaScript and scripting languages

  • Turn Photoshop files into animated, responsive web pages using HTML5, CSS3, or Web-based animation tools

  • Ensure the technical feasibility of UI/UX designs

  • Work closely with design team as technology advisor to help guide project scope

  • Create re-usable components and code snippets

  • Develop animations, navigation, interactivity, etc., using jQuery or other JavaScript libraries

  • Thoroughly test your work on multiple browsers and mobile devices

  • Demonstrate effective communication with fellow team members and management

  • Rapidly prototype ideas in order to learn what works and how to elevate concepts to the next level


  • Strong proficiency with HTML5, CSS & JavaScript and jQuery production (React bonus)

  • Familiar with JS tools

  • Wordpress and Weflow experience with everything from form development to page builders

  • Experience writing code from scratch

  • Responsive design experience, including Bootstrap 3 and hand-coded breakpoints

  • Experience creating graphics from scratch using Photoshop/Illustrator or similar software

  • Knowledge of web analytics and experience implementing and testing tags

  • Social Media and API integration

  • Experience coding within a Java environment

  • Experience testing and debugging work on multiple browsers & screen sizes

  • Thrive in a fast-paced working environment, owning deadlines and striving for efficiency

  • Familiarity with GIT, Jira, Redmine, or similar project management and issue tracking software

  • Working knowledge of design principles, typography, user interfaces, Web standards and usability

  • Familiar with interaction design and information architecture methods and principles


  • Any work with Node.js, SQL, Bootstrap, and React experience for specific modular web projects

  • Familiarity with web scraping projects and data aggregation

  • Backend development and database experience 

  • API integrations

  • Experience with wordpress page builders

  • AWS and management of EC2 instances

  • An understanding of on-page SEO best practices

  • Experience building custom conversion forms or integrations

  • Experience building weighted calculators, quizzes, or web-based applications


  • A key part of an exciting international growth journey

  • Opportunities to learn and develop your skills and career through meetups, colleagues and other places.

  • Great colleagues and a social working environment

  • Great location just outside of central Copenhagen

  • A chance to learn something new every day

  • Coffee, tea and snacks.

  • Please keep in mind we're only looking for students that are looking for internships as a part of their studies

  • Those that can start ASAP are encouraged to apply!

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.

Social gatherings
Social gatherings

Social gatherings and games; hang out with your colleagues.

Near public transit
Near public transit

Easy access and treehugger friendly workplace.

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.

See all 10 benefits

Working at

Klint is a GROWTH agency. We're aimed at bringing the technical, tools, creative, reporting and next-level marketing techniques to any business. We differ from other agencies because our background is all about scaling. We've worked with bootstrapped startups and large companies alike to bring value. We prioritize what you need and vertically integrate user flows, customer journey, and tools that allow us to measure traffic, conversions, and new deals from the start.

Read more about Klint

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