[上海] 英孚教育实验室 - Sr.JavaScript Developer

# Senior Front-end Engineer

## Position Background

EF LEARNING LABS is seeking for a talented Senior Front-end Developer with good UI sensibilities, of over 5 years of proven JavaScript, HTML, CSS and associated open web technologies. We want your imagination to run free as you work with our team of passionate developers to build web apps and digital marketing campaigns across devices that blow minds. You need an eye for detail and a heart for the big picture. We ’ re looking for a question-asking, boundary-pushing, team-playing, clear-communicating, change-seeking, deadline-meeting, problem-solving, opinion-sharing, but humble-listening, creative-thinking kind of person. Is that you?

## Our team

EF LABS has over two hundred technicians, we're usually referred to as a large tech-startup, with plenty of resources and expectations from EF Education First cooperation, and we're here changing the future of online education. Our front-end technology team remains still micro with around just twenty, while the presence of us is already huge - www.englishtown.com site that wins 9 million language learners' satisfaction. Most significantly, products are always not our only concern, it forms a company culture here that encourages both individual mind and collaborative thinking, innovation and openness that cultivates a bunch of high-quality open source projects out of daily crunch, range from browser crafts like TroopJS, Gudstrap, to emerging server platform that augments vert.x and nodeJS.

Meet us:
- http://labs.ef.com

And to follow us on Github:
- https://github.com/englishtown
- https://github.com/troopjs

## Your Responsibilities

- Develop compelling user interface with latest web technologies that delivers the best online learning experience.
- Collaborate with product manager, co-developers and quality assurance to achieve team goal.
- Participant in our company's open source strategies and contributions that cultivates technologies and develop relationships.

## Your Must have:

- 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

## We prefer:

- Extensive knowledge of various existing Javascript libraries.
- Familiar with Git version control system.
- Browser compatibility awareness.
- Proven open-source contribution on Github.
- Comfortable with working on *nix.
- Cutting edge browser technology experiences on HTML5 and CSS3.
- Effective performance profiling and optimization skill.
- Test-driven development and strong sense of neat code.
- Experience working in agile methodologies like Scrum

## In turns we offered:

- Competitive salary in Shanghai that scales with your ability.
- Aware-winning working environment that comforts you with unlimited supplying of drink, snacks and cakes.
- Yearly off-site abroad traveling opportunity, weekly badminton field and daily pin-pong table.
- Opportunity to work with top-notch developers who lives in a diversity of cultures came from all across the world.
- A close breath of the world-class open source technologies, through free attendance to hackathon, tech salon and web conferences.