Tech Lead (Front-end)

EF LEARNING LABS is the tech hub of EF Education First. We’re an international team of over two hundred engineers spread over three primary cities - London, Boston, and Shanghai.

Our front-end battalion is a close-knit team of 20. When we’re not working to deliver happiness to over nine million language learners, we’re playing foosball in the kitchen, owning the product managers at table-tennis, spiking the designers’ sodas with baijiu at Happy Hour Fridays in our stadium, and contributing to top-notch open source projects born out of our daily crunch.



  • 5 + years hand-on coding experience of JavaScript, HTML, CSS and related browser technologies.
  • Problem-solving skills backed by a solid knowledge of data structure and algorithms.
  • Proven track record of delivering high-quality web products.
  • Strong teamwork and communication skill using English as a working language.
  • Fluent in Web standards and building solutions using semantic markup
  • Passion for creating great user experiences in collaboration with UI designers
  • Bachelor degree of Computer Science or other related major


It'd be great if you also have the following:

  • Experience with ReactJS and Redux, or any other modern JS frameworks.
  • Experience with ES2015+.
  • Experience building Single Page Apps.
  • Familiarity with Git version control system
  • Browser compatibility awareness
  • Proven open-source contribution on Github
  • Experience working on *nix
  • Cutting edge browser technology experience on HTML5 and CSS3
  • Effective performance profiling and optimization skill
  • Experience with test-driven development, and a strong sense of neat code
  • Experience working in agile methodologies like Scrum



  • Develop compelling user interfaces with the latest web technologies, that deliver the best online learning experience
  • Collaborate with product manager, co-developers, and quality assurance to achieve your team’s goal.
  • Participate in, and contribute to our company's open source strategies

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