JavaScript / TypeScript Engineer (React)

On-siteSalary not specified
Portugal

Job Description, Responsibilities & Requirements

About the Position

We are hiring: JavaScript / TypeScript Engineer (React)

  • Location: Lisbon, Portugal
  • Employment Type: Full-time position

Are you ready to take the next step in YOUR CAREER?

Job Description

We are searching for passionate JavaScript / TypeScript engineers to take an integral part in building a cross-platform web application used by hundreds of thousands of users worldwide on iOS, Android, and desktop platforms. Our technology stack is modern and based on TypeScript, React, Babylon.js, and webpack.

To succeed in this role you should have:

  • Passion for our profession, in particular front-end development, and improving yourself technically;
  • Proven experience in delivering production software using JavaScript or TypeScript;
  • Highly proficient in spoken and written English;
  • Bachelor’s Degree in IT or equivalent;
  • Solid knowledge and experience with HTML5 and CSS3;
  • Excellent communication skills and a pragmatic approach to problem solving.

Responsibilities

  • Studio Operations
  • Engineering
  • Product & Sales
  • Business Support
  • All Vacancies

Requirements

  • Passion for front-end development and continuous technical improvement;
  • Proven experience in delivering production software using JavaScript or TypeScript;
  • Highly proficient in spoken and written English;
  • Bachelor’s Degree in IT or equivalent;
  • Solid knowledge and experience with HTML5 and CSS3;
  • Excellent communication skills and a pragmatic approach to problem solving.

Nice to Have

  • Solid knowledge of TypeScript;
  • Experience in other strongly typed programming languages;
  • Interest in contemporary programming trends such as functional and reactive programming, CSS preprocessing, alternative JavaScript languages, web components, touch user experiences, and responsive design;
  • Experience with React, Redux, RxJS, Babylon.js;
  • Knowledge of modular CSS by using css-modules and post-css;
  • Experience with testing and specifications libraries like Jest, Enzyme, Puppeteer/PlayWright, WebDriverIO, Cucumber, Mocha;
  • Knowledge of JavaScript ecosystem tools, such as webpack, npm, yarn;
  • Passion towards performance profiling and optimization.

We Offer

  • Entrepreneur culture of the company, which allows you to try new approaches and technologies all the time;
  • Recognition from the business which translates to very competitive salaries and a supportive attitude;
  • Developing games featuring live video serving customers around the world;
  • A healthy mix of startup-like culture of the company, which enables us to try new approaches and technologies and remain on the edge of technological development and enterprise, with stability and supporting functions to help you focus on your job;
  • Modern and developer-friendly delivery processes, including Agile (Scrum / Kanban), JIRA issue tracking, Confluence wiki, GitLab source control, Jenkins continuous integration and delivery, modern hardware and software for development (an IDE of your choice);
  • Being a part of an international team in a successful, publicly traded company;
  • Health insurance, contemporary office environment, tech conference attendance, training, hackathons, and other benefits and perks.

About the Company

All Countries & Languages

  • Main (English)

Job Details

Company name:
Evolution
Location:
Portugal
Employment Type:
Full-time
Work Mode:
On-site
Posted on TheJob:
May 2, 2026
Last checked:
Jul 29, 2026
Posted on the source:
Nov 6, 2025
Apply Now