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Cleeng

Front-end engineer intern

Cleeng
Poland · Full-time · Internship
Cleeng unifies the entire subscriber experience across web and mobile apps from a single platform, empowering D2C companies to simplify subscription management and maximize customer lifetime value.

Our award-winning Subscriber Retention Management (SRM®) suite delivers comprehensive solutions through an integrated approach - from flexible web payments and in-app subscriptions to sophisticated recurring billing and AI-powered customer support.

Trusted by industry leaders, including the NHL, Big Ten Network, The Weather Channel, TOD/BeIN, and NHK, Cleeng's complete suite helps businesses reduce churn and drive sustainable revenue growth across every channel.

About The Role

We're looking for a talented Front-end Engineer (intern) with ambition for building the next-generation subscriber management software.

Your mission will be to work with us on the development of a low-code widgets platform, which supports high-traffic media websites around the world. The platform is embeddable in any JavaScript-based application. You will also have a chance to contribute to the development of interactive dashboards that support our clients in running their subscription-based businesses. This creates an opportunity for you to experience working on projects targeting both end-users and business clients.

Requirements

  • You have developed at least one React.js project (commercial projects will be a plus)
  • You are comfortable working with front-end technologies: JavaScript, TypeScript, React, HTML, CSS
  • You are passionate about web development and have an eye for details
  • Strong communication skills in English (C1 preferred)
  • Willingness to learn, grow and the can-do attitude

Your Responsibilities

  • Work at a product-based company (we are not a software house)
  • Develop a real-life product features that will have a positive impact on the company
  • Further develop your front-end skills
  • Collaborate with skilled professionals in solving technical problems
  • Gain business knowledge about the industry we operate in

Benefits

  • Paid internship - you will learn but also contribute to the company's achievements. That needs to be rewarded
  • Work and Study - flexible working hours and the option to work from home allow you to adjust the internship to your studies
  • Possibility to work 100% remotely;
  • Unique Workplace culture - no formal dress code or managers hidden behind closed doors
  • Work with an international team of well - rounded experts in Amsterdam (HQ), Poznan, Manila, NYC. 16 nationalities and counting!
  • Work on unique, market-leading, SaaS products, with clients all over the world, from New Zealand, Japan, Europe, US, and Latam;

Key Skills

Ranked by relevance

javascript typescript reactjs react saas ai
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Country Guide

Poland

Fast-growing Central European IT hub

Posted
Oct 20, 2025
Type
Full-time
Level
Internship
Location
Poznań
Company
Cleeng

Industries

IT Services IT Consulting

Categories

Other

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