Critical Mass logo

Front End Developer with TypeScript and React

Critical Mass

Join Our Team as a Front End Developer

The Critical Mass technology team is seeking an inspired, motivated, and experienced Front End Developer to join our dynamic team. As an experience design agency, we focus on the customer, which means that multi-discipline collaboration and prototyping are at the heart of our process. We leverage the latest technologies, including React, ES6 JavaScript, and a clean component-based approach, to deliver reusable, innovative, and responsive experiences. Web performance and accessibility are key concerns due to their importance to user experience and the perception of a premium experience.

Responsibilities

  • Collaborate with Design and UX teams to prototype user interactions.
  • Ensure compatibility of code across devices and viewport sizes.
  • Assess and optimize page performance and WCAG compliance.
  • Work with the delivery team to ensure the overall quality of the experience, supported by tests and documentation.

Requirements

  • 2+ years of experience using Vanilla JavaScript.
  • 2+ years of experience with React.js and TypeScript.
  • Proficiency in HTML5 semantic markup, CSS3, and CSS & SVG-based animation on responsive consumer-facing websites.
  • Full command of Git, the terminal, continuous deployment and integration, and other modern fundamentals.
  • Strong troubleshooting ability and technical analysis skills, including web performance optimization.
  • Familiarity with website operations and fluency in the typical tiers of a high-traffic website.
  • Experience with the Atlassian suite of tools, including JIRA, Bitbucket, and Confluence.
  • WCAG accessibility experience is preferred.

Preferred Skills

  • Experience with Adobe Experience Manager (AEM) version 6.3 or later, or enterprise CMS.
  • Experience with GraphQL or APIs with complex data structures.
  • Experience with Next.js and Webpack, or other tools used to optimize and maintain front-end build systems.
  • Experience working in an agency environment.

What We Offer

  • Global maternity and parental leave.
  • Competitive benefits packages.
  • Vacation, compassionate leave, sick days, and flex days.
  • Access to online services for families and new parents.
  • Extensive winter holiday office closures.
  • Diversity and Inclusion Board with 12 affinity groups.
  • Internal learning and development programs.
  • Enterprise-wide employee discounts.

Our new hires and employees are the future of our organization, and we want to set you up for long-term success. We expect our team to work from an office a minimum of 4 days a week.

At Critical Mass, we value our employees and offer competitive compensation and benefits packages. If you’re looking for a challenging and rewarding opportunity, we encourage you to apply for this exciting position today!

Critical Mass is an equal opportunity employer committed to diversity and inclusion in the workplace. We do not tolerate discrimination on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

Benefits
Extracted with AI

  • Global maternity and parental leave
  • Competitive benefits packages
  • Vacation, compassionate leave, sick days, and flex days
  • Access to online services for families and new parents
  • Extensive winter holiday office closures
  • Diversity and Inclusion Board with 12 affinity groups
  • Internal learning and development programs
  • Enterprise-wide employee discounts

Similar jobs

Last update: 23 minutes ago

Critical Mass logo
Critical Mass

Senior Front-End Developer with TypeScript and React

Join Critical Mass as a Senior Front-End Developer, focusing on TypeScript, React, and web performance.

Zig logo
Zig

Front-end Developer with React.js and TypeScript

Join Zig as a Front-end Developer using React.js and TypeScript in a hybrid role in Huizen, Netherlands.

Critical Mass logo
Critical Mass

Front End Developer with TypeScript and Next.js

Join Critical Mass as a Front End Developer, focusing on TypeScript, Next.js, and web performance.

Lekker Code Company logo
Lekker Code Company

Fullstack Developer (C#, Angular or React)

Join Lekker Code Company as a Fullstack Developer specializing in C#, Angular, or React. Work remotely with a focus on innovative solutions.

Tricentis logo
Tricentis

Full Stack Engineer – React, Typescript, JavaScript (Frontend focus)

Join Tricentis as a Full Stack Engineer focusing on React and TypeScript in Prague. Work on cutting-edge technologies and innovate in software testing.

Critical Mass logo
Critical Mass

Senior Front-End Developer with TypeScript and AEM Experience

Join Critical Mass as a Senior Front-End Developer, focusing on TypeScript, AEM, and web performance.

Gorgias logo
Gorgias

Senior Full-Stack Engineer ReactJS/NodeJS

Join Gorgias as a Senior Full-Stack Engineer specializing in ReactJS and NodeJS, enhancing AI-powered ecommerce solutions.

Elma Schmidbauer GmbH logo
Elma Schmidbauer GmbH

Full-Stack Developer with React.js and Azure Experience

Join Elma Schmidbauer GmbH as a Full-Stack Developer to enhance Azure-based web infrastructure using React.js and Next.js.

Omnicom Media Group logo
Omnicom Media Group

Fullstack Developer .NET, React/TypeScript

Join Omnicom Media Group as a Fullstack Developer specializing in .NET, React/TypeScript. Work on innovative solutions with a dynamic team.

NAVARA logo
NAVARA

Fullstack Developer with Angular, C#, and React.js

Join NAVARA as a Fullstack Developer in Rotterdam, working with Angular, C#, and React.js on innovative projects.

doctari group logo
doctari group

Senior Full-Stack Engineer - TypeScript, React, Node.js

Join us as a Senior Full-Stack Engineer to develop a super app for medical professionals using TypeScript, React, and Node.js.

Mediahuis Nederland logo
Mediahuis Nederland

Full-stack TypeScript/JavaScript Developer

Join Mediahuis as a Full-stack TypeScript/JavaScript Developer in Amsterdam. Work on our Customer Journey Builder platform in a hybrid environment.

Ecolab logo
Ecolab

Medior Front-End Developer (Angular)

Join Ecolab as a Medior Front-End Developer focusing on Angular, TypeScript, and JavaScript in a hybrid role in Amsterdam.

RightCrowd logo
RightCrowd

Full Stack Engineer with Node.js and React

Join RightCrowd as a Full Stack Engineer to develop cloud-native applications using Node.js and React. Work remotely with cutting-edge technology.

HORNBACH Baumarkt AG logo
HORNBACH Baumarkt AG

Remote Frontend / Fullstack Developer

Join HORNBACH as a Remote Frontend / Fullstack Developer to enhance our webshop platform with modern technologies like React and GraphQL.

Reaktor logo
Reaktor

Lead Developer with DevOps and Functional Programming

Join Reaktor as a Lead Developer in Amsterdam, focusing on DevOps, Functional Programming, and JavaScript in a hybrid work environment.

Haufe Group logo
Haufe Group

Fullstack TypeScript Developer

Join Haufe Group as a Fullstack TypeScript Developer in Freiburg. Work on innovative solutions with React, AWS, and more.

Polarsteps logo
Polarsteps

Senior Frontend Engineer with React and TypeScript

Join Polarsteps as a Senior Frontend Engineer in Amsterdam. Work with React, TypeScript, and more in a hybrid environment.

Albert Heijn logo
Albert Heijn

Junior Frontend Developer (React.js)

Join Albert Heijn as a Junior Frontend Developer using React.js to transform technical infrastructure in a modern environment.

Tactile Games logo
Tactile Games

Senior Backend Engineer, LiveOps

Join Tactile Games as a Senior Backend Engineer in Copenhagen, working on LiveOps with Node.js, TypeScript, and React.js.

Interactivated Solutions logo
Interactivated Solutions

Senior Vue.js Developer with Java Backend Experience

Join Interactivated Solutions as a Senior Vue.js Developer with Java backend experience. Work remotely and lead innovative software solutions.

osapiens logo
osapiens

Senior Full-Stack Developer - TypeScript

Join osapiens as a Senior Full-Stack Developer using TypeScript to build sustainable SaaS solutions.

ANWB logo
ANWB

Full-stack JavaScript Developer

Join ANWB as a Full-stack JavaScript Developer to enhance our online platform using JavaScript, TypeScript, and AWS technologies.

Tibo Energy Management Software logo
Tibo Energy Management Software

Senior Backend Developer with TypeScript

Join Tibo Energy as a Senior Backend Developer to lead TypeScript-based solutions in energy management.