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Senior Front-end Developer

Tentwenty is looking for a passionate Senior Front-End Web Developer who is motivated to combine the art of design with the art of programming. We are looking to fill a full-time position both on site and remote working is possible. Responsibilities will include translation of the UI/UX design to actual code that will produce an amazing visual experience. You will work with the UI/UX designer and bridge the gap between visual design and technical implementation, taking an active role on both sides and defining how the websites look as well as how it works.



  • Develop new user-facing features that will set us apart from other agencies

  • 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

  • Be in direct contact with our customers to ensure a smooth process of the project


Skills & Qualifications

  • Proficient understanding of HTML5, CSS, Javascript ES6 and up (CSS, SCSS and CSS3)

  • Proficient understanding of GSAP or any similar animation library

  • Passionate about website animations (transitions, scroll effects, etc.)

  • Passionate about usability, user experience, beauty and elegance of UI’s

  • A good understanding of WebGL, Three.js, and Canvas is a plus

  • Very good knowledge of responsive design 

  • Pixel-perfect design-to-development conversion

  • Overall perfect knowledge when it comes to CMS and integration (would be nice to have experience with Concrete5 and/or Strapi) 

  • Proficient understanding of ReactJS/NextJs is a plus

  • Good understanding of asynchronous request handling, partial page updates, and AJAX. REST API and/or GraphQL

  • Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as Figma is a plus.

  • Proficient understanding of cross-browser compatibility issues and ways to work around them.

  • Fluent in English, Solution-driven

  • Proficient understanding of code versioning tools, such as Git.

  • Good understanding of SEO principles and ensuring that the work will adhere to them.

  • Creates well-optimized code in terms of JS, CSS, and HTML. A good understanding of Google Page Speed / Lighthouse is a plus.

  • The following links are some examples of the projects that we do:






Our Offer

  • Enthusiastic colleagues, internal training and education when required

  • Lots of room for your own creativity and input

  • Competitive salary packages and growth opportunities within the organization 

  • A great international working experience.

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