Senior Front End Developer Offline

Required Skills

• EcmaScript (JavaScript ES5/ES6)

• HTML5, CSS3 features

• Build tools (Webpack 4)

• Preprocessors (LESS/SASS)

• Good working knowledge of at least one of next frameworks/libraries: React, Angular, Vue.js, StimulusJS, VanillaJS

• Experience of using git (and particularly GitHub). Comfortable branching,creating pull requests and merging

• Understanding of techniques for improving frontend performance (WebSockets, caching, rendering large amounts of data, etc.)

• Understanding difference of HTTP, HTTPS, HTTP2

• Understanding of requirements for high-load projects

• Understanding of security issues such as XSS and CSRF and how to mitigate the risks of such issues

• Experience dealing with browser compatibility issues

• Experience of Linux and using command line tools

• Strong command of English (both written and spoken) — you’ll be working with project managers and developers from the UK and Ukraine on a daily basis so this is essential

• Self-motivated and good at managing your time

• A team player

Good To Have

• Experience with TypeScript or Flow

• Experience with testing and writing unit tests

• Experience with Bootstrap, Foundation

Responsibilities

• Develop new UI features

• Extend and support existing UI features

• Build reusable code and libraries for future use

• Ensure the technical feasibility of UI/UX designs

• Optimize application for maximum speed and scalability

• Assure that all user input is validated before submitting to back-end

• Collaborate with other team members and stakeholders

We Offer

• Competitive pay with yearly salary review

• Performance related bonus worth up to 20% of annual salary

• 20 days paid holiday per year (plus public holidays) and an extra paid

day off on your birthday

• Paid sick days

• Medical insurance

• Individual training budget of $800/year

• An extensive library of technical books in the office

• Free English lessons every week in the office

• A modern, quiet and comfortable workplace

• Fast, powerful PC or Laptop and high quality 24″ screen(s)

• A plentiful supply of coffee, cookies and fruit in the office