React Job: Principal Front End Engineer

React Job Added on




Newcastle upon Tyne, England - United Kingdom

Job type


React Job Details

People make Sage great. From our colleagues delivering ground-breaking solutions to the customers who use them: people have helped us grow for more than thirty years, and people are driving our future as a great SaaS company. We're writing our next chapter. Be part of it!

At Sage, we recognize that the world of work has rapidly shifted over the last few years, particularly how we work. That is why we have committed to working in a hybrid way going forward. Human connection is an essential ingredient of the 4 principles that make up our Flexible Human Work hybrid framework and we want to be transparent in what that looks like when you join our Sage family. On one hand, our offices will continue to play an important role in our future and serve as a place for spontaneous conversations, connection, collaboration as well as focused time. On the other hand, we have learned to reimagine where and when we work and to unlock that flexibility and innovation for our colleagues offering them the opportunity to work flex across their home, Sage offices or customer sites.

We invite you to join us and help us write our next chapter. Follow us on our social media sites to join in conversations about open positions and company news! #lifeatsage #sagecareers. If you would like support with your application (or require any adjustments) please contact us at [email protected] for assistance. All qualified applicants will be thoughtfully considered and never discriminated against based on their race, color, age, religion, sexual orientation, gender identity, national origin, disability or veteran status.

Job Description
Do you want to work at the leading edge of JavaScript technologies? Do you have the drive to build great products for a world class organisation? We're looking for a Software Engineer with JavaScript and React skills to help deliver the roadmap for Sage Business Cloud - take a look at

You will be working within a focused team of around 7-8 developers and 3-4 QA, on new and existing customer facing products, utilising Sage’s open source library of React components - Carbon (

Your first 12 months will look something like this:

  • Setup and start developing on your new MacBook

  • Build and contribute to an application with our very own component library (Carbon), built on ReactJS:

  • Enjoy the freedom to work on projects you choose on the last Friday of each month. Innovate or improve existing code or processes. It’s up to you!

  • Continue your self-development – via dedicated learning days

  • We operate a Flex 0-5 work pattern meaning you can choose how many days you want to come into the office - from 0 to 5 days per week. We are an equal opportunity employer. We don’t discriminate based on age, disability, ethnicity, family status, gender, race, religion, or sexual orientation.

    Interviews take place over Microsoft Teams. If that doesn’t work for you, we’ll do everything we can to support and make any necessary adjustments. We want you to be comfortable and perform at your best.

    Key Responsibilities
    What we’re looking for:

  • Excellent commercial JavaScript experience

  • Excellent commercial React experience

  • A good understanding of testing web applications - knowledge of Jest would be advantageous

  • An understanding of Typescript

  • An understanding of state management

  • A great team player, communicator and collaborator - as well as your own contributions to the codebase, we encourage engineers to support more junior colleagues within the team

  • Experience with Agile Development and SCRUM

  • You will:

  • Provide technical leadership for a team of developers - offering guidance on best practice, mentoring/coaching, improving team delivery

  • Work alongside the Team Leader on agreed projects to support the team’s roadmap - identifying and mitigating items that may impact the team’s delivery

  • Coordinate closely with Architecture to ensure high quality solutions are delivered following agreed processes

  • Own technical work streams - delivering at pace, researching and solving complex problems

  • Identify and drive opportunities outside of the immediate team - advise, or share best practice; Influence departmental strategy; improve delivery

  • Successfully develop, deliver and maintain high quality software (requirements, design, code, documentation, etc.)

  • Maintain relevant documentation to describe logic, coding/configuration, testing and changes where applicable

  • Participate in all phases of the project lifecycle

  • Contribute to quality activities, incl. peer reviews of estimates, designs and code

  • Investigate and resolve defects/bugs found in pre-production or production environments

  • Be an active and enthusiastic team player, working effectively with all team members to deliver against commitments

  • Be committed to team success and positive team dynamics

  • Work cross-functionally with various Sage teams: product management, QA/XD, various product lines, or business units to drive forward results

  • Continuously strive to make improvements to the existing products and/or systems and services

  • Update job knowledge by studying current development tools & techniques

  • Why you would love to join us:

  • You’ll work alongside engineers who really enjoy working together and including and supporting new team members in their teams

  • We offer a range of benefits that complement a competitive salary, including share save scheme, bonus opportunities and a contribution pension plan

  • All colleagues get 25 days of paid annual leave with the option to buy up to another 5 days

  • 5 days for colleagues to learn or develop skills and behaviours linked to their personal or career development.

  • The option to flex start and end times during the week and hybrid working

  • Make a difference to communities we live and work in, with your 5 volunteer days every year for philanthropic activity

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