Senior Frontend developer

Date published: 2021. April 23.

Location: Budapest Job type: Developer

The Senior Frontend Developer is responsible for implementing visual and interactive elements in high quality, building the client-side of our web applications, websites. The developer is working closely with the Technology team, the UX/UI team, the Project Management team and also occasionally with client team members.

Responsibilities

  • Use markup languages like HTML to create user-friendly web pages
  • Maintain and improve website code and quality
  • Optimize application for maximum speed and scalability
  • Collaborate with back-end developers, UI/UX designers to improve usability
  • Ensure the technical feasibility of UI/UX designs
  • Help back-end developers with coding and troubleshooting
  • Build reusable code and libraries for future use
  • Plan, define and estimate tasks for frontend part of projects
  • Create pull requests, assess and fix errors, do pair programming
  • Do proper self-testing on projects
  • Create unit test for specific logics
  • Debug and fix bugs that has been created/found through the life of the projects
  • Plan ahead and mitigate technical risk on projects
  • Support development team members and share technical knowledge
  • Act as a technical person in client communications
  • Support hiring process with candidates evaluation, take-home test evaluation, holding personal interviews
  • Guide and mentor less experienced team members

Requirements

  • 7+ years of developer experience including 5+ years of experience as a front end developer, preferably in agency environment
  • Knowledge of design patterns
  • Strong front end knowledge (HTML, CSS, Javascript (ES6))
  • Strong Experience in Adobe Photoshop, with Adobe Illustrator skills
  • Strong verbal and written communication skills in English
  • Experience developing enterprise web applications
  • Experience in understanding of preprocessors like SASS
  • Experience with RESTful services and APIs
  • Experience in testing and debugging (frameworks, methodologies, tools)
  • Experience in web-accessibility (WCAG), ability to write strong semantic mark up
  • Excellent understanding of the latest frontend technologies (frameworks, tools)
  • Ability to evaluate and use 3rd party systems, external libraries
  • Experience of Agile development methods, preferably Scrum
  • Experience of WebGL and canvas animation and frameworks
  • Experience in Gulp/Grunt/Yarn
  • Hands-on experience of modern JS technologies, such as React/React Native/AngularJS
  • Ability to create unit and integration tests
  • Ability to follow clean code practices
  • Experience in mentoring
  • Experience in back end technologies, frameworks (.NET, PHP, Drupal, Sitecore)
  • Mid-level networking knowledge (TCP, IP, HTTP(S), SFTP, etc)
  • Optimization approach
  • Capability to manage, follow-up own development tasks
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