Senior Front End Developer



About Parallel

Parallel is an innovation consultancy shaping the future of analytics and decision making. The way businesses and individuals understand the world is changing. The technology may be new, but the human needs are timeless—to Know, Predict and Decide. We design and develop products that meet these needs.

Why join us?

  • We work a 9-day fortnight. Every other Friday off, for everyone—with no salary or holiday compromises

  • We believe in flexible working. Work from the studio, at home or both.

  • We also know that modern life is busy and unpredictable. As long as you’re around for meetings, workshops and team meet-ups, you can work the hours that suit your life outside of work.

  • We work end-to-end across strategy, design, and development. You’ll work with top-tier talent across all facets of product development and expand your skillset.

  • We’re a growing team. We want your input in shaping the future of our studio, practices, and team dynamics.

Who we're looking for

We are seeking a senior Front-End Developer to join our growing team. In this role you will work closely with product designers, product managers, and back-end engineers to build high-quality, scalable, and performant applications. We’re looking for someone who is willing to engage end-to-end from strategy, through scoping, to delivery. You are curious about new approaches, willing to challenge convention and are keen to contribute towards the product vision. You are proactive, and capable of planning and managing your own workload. You believe in building exceptional and unique products.


  • Collaborate with cross-functional teams of designers, engineers, and project managers to define, design, and ship new features for our clients' web applications

  • Design and develop responsive web applications using HTML, CSS, and JavaScript with a focus on user experience and usability

  • Optimise web applications for maximum speed and scalability while maintaining high code quality and standards

  • Write clean, well-documented code that is easy to maintain and scale

  • Stay up-to-date with emerging trends and technologies in front-end development and share your knowledge with the team

  • Supported by the Parallel team, you’ll take full ownership of your work, and take responsibility for every last detail, every step of the way.

Required Experience


  • Minimum of 5+ years of experience in front-end development

  • Strong proficiency in HTML, CSS, and JavaScript

  • Experience with modern front-end tooling such as React/Next.js, Vue/Nuxt

  • Understanding of web performance optimisation techniques

  • Excellent problem-solving and analytical skills

  • Strong communication and collaboration skills

  • Experience working with 2D or 3D rendering in the browser (canvas/webGL)

  • Experience working with and animating SVG content

Nice to haves

  • Experience with back-end development using Node.js or other server-side technologies

  • Familiarity with Agile development methodologies

  • Experience with testing frameworks such as Jest or Cypress

  • Understanding of UX design principles and best practices

  • Experience working in a product design consultancy or agency environment

  • Experience creating web based data visualisations


  • 9-day fortnight: every other Friday off

  • Work from anywhere: At the studio, hybrid or fully-remote

  • Flexible hours: be available for meetings, workshops or meet-ups. Other than that, we’re flexible on when you get your work done.

  • 25 days off per year, plus bank holidays

  • Private health insurance

  • 16 weeks maternity, 4 weeks paternity leave

  • Annual learning and development budget

  • Brand new MacBook + office equipment

  • Pension contribution

Please be sure to provide your CV and any relevant experience for the role.

Can't find the role you're looking for? We're always looking to expand our network. Get in touch to learn more about careers at Parallel.