Senior Front-End Engineer (NodeJS, React)

Functional areas
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Become part of the team

As a team, we transform our client’s businesses using a combination of strategic thinking, customer-centric service design, and agile engineering practices. We do this at internet scale – driving innovation, and enriching people’s lives. Our skills and talent enable PA’s purpose of creating positive a human future in a technology driven world.

As part of our Digital team, you’ll work alongside colleagues from across PA – delivering transformative digital solutions to today’s most complex business challenges. Our teams are trusted to deliver and given the space to be awesome. We’re an inclusive community for the curious, generous, pragmatic and committed digital practitioner.

As a Senior Frontend Engineer, your key tasks and responsibilities will be to:

  • Develop high-quality websites and applications using well-crafted HTML, CSS and JavaScript including supporting backend development using Node and other frameworks where required.
  • Collaborate closely with our designers to develop in-browser prototypes, living styleguides, pattern libraries and re-usable UI components.
  • Work closely with our in-house QA team to marry unit tests with rigorous end-to-end testing to ensure applications function as expected.
  • Drive the team with specification workshops, writing acceptance criteria, story estimation, documentation and release planning.
  • Adopt and evolve PA’s engineering standards and practices, to ensure we have a shared and common approach to development and delivery.

What we're looking for
  • 5+ years commercial experience of developing websites using mobile-first, modular and responsive CSS (e.g. Sass/BEM, CSS Grid etc)
  • A good understanding of semantic HTML, WCAG accessibility guidelines, common issues across web and mobile devices, and how to fix them
  • 3+ years writing advanced JavaScript (beyond jQuery), ideally using ES6 and frameworks such as Angular, React or Vue, and their associated tooling (Gulp, Webpack etc.) and libraries (Redux etc.)
  • An appreciation for progressive enhancement, graceful degradation and building for resilience
  • Experience of unit and integration testing (e.g. Jest/Enzyme/Cucumber)
  • An understanding of git, branching and continuous integration strategies
  • An understanding of the full web stack including HTTP, REST APIs and performance debugging
  • Be a confident problem solver, troubleshooter and debugger in both development and production environments
  • Ability to convert client requirements into stories and tasks, help define acceptance criteria and provide estimates for delivery.
  • Ability to clearly communicate with clients and peers, describing technical issues and solutions in both written and meeting/workshop contexts.
  • A demonstrable eye for good user interface design, typography and user experience
  • Experience of modern content management systems (including headless mode)
  • Understanding of good agile principles using Scrum and Kanban
  • Experience of deploying web applications in cloud environments such as Amazon Web Services (AWS), Microsoft Azure or Google Cloud Platform (GCP)


  • Client-side scripting and JavaScript frameworks, such as jQuery
  • Various MVCs, understanding the difference between them, and when one makes more sense than another. E.g. Backbone.js, Angular.js, React.js, Vue.js, Node.js.
  • Pushing business logic into browser rather than server.
  • Image authoring tools.
  • SEO principles and developing compliant applications.


  • Private medical insurance
  • Interest free season ticket loan
  • 25 days annual leave with the opportunity to buy 5 additional days
  • Company pension scheme
  • Annual performance-based bonus
  • Life and Income protection insurance
  • Tax efficient benefits (cycle to work, give as you earn, childcare benefits)
  • Voluntary benefits (Dental, critical illness, spouse/partner life assurance)
About us

We believe in the power of ingenuity to build a positive human future in a technology-driven world.

As strategies, technologies and innovation collide, we create opportunity from complexity.

Our diverse teams of experts combine innovative thinking and breakthrough use of technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results.

An innovation and transformation consultancy, we are over 3,200 specialists in consumer, defence and security, energy and utilities, financial services, government, health and life sciences, manufacturing, and transport. Our people are strategists, innovators, designers, consultants, digital experts, scientists, engineers and technologists. We operate globally from offices across the UK, US, Europe, and the Nordics.

Bringing Ingenuity to Life.

Diversity Statement

We believe that diversity makes us a stronger firm and look to employ people with different ideas, styles and skillsets. This diversity stimulates a rich, creative environment – one in which our people develop, and our clients enjoy enduring results. We’re committed to recruiting, promoting and rewarding our people solely based on their ability to contribute to PA’s goals, without regard to their sex, race, disability, religion, national origin, ethnicity, sexual orientation, age or marital status.

We welcome international applications, but we are unable to offer sponsorship for work permits, so you will need to have the full right to live and work in the UK. Unfortunately, your application will be automatically rejected if you do not have these rights.

Job information

Firm: PA Consulting

Location: London


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