At a Glance
- Tasks: Design and build scalable front-end applications using modern React frameworks.
- Company: Join NewDay, a vibrant tech company focused on innovation and inclusivity.
- Benefits: Enjoy competitive salary, flexible working, and opportunities for professional growth.
- Other info: Be part of a diverse team that values your unique contributions.
- Why this job: Make a real impact on customer experiences across well-known brands like Argos and John Lewis.
- Qualifications: Strong experience with React, TypeScript, and scalable UI systems required.
The predicted salary is between 60000 - 80000 £ per year.
We are evolving and optimising the acquisition journey at NewDay — and we’re looking for a Senior React Engineer to help lead the way. Sitting within our Customer Channels engineering team, you’ll play a key role in designing, building and evolving business‑critical applications that support our partner products, including brands like Argos and John Lewis.
How you’ll contribute
- Design, build and maintain scalable front‑end applications using modern React frameworks
- Contribute to architecture and engineering standards, helping shape how we build and evolve our platforms
- Support complex customer journeys, particularly within acquisition and onboarding experiences
- Work across the full lifecycle, including APIs and backend services where needed
- Take ownership of production quality, including monitoring, performance and on‑call support
- Champion best practice in engineering, including testing, accessibility, security and performance
- Mentor and support other engineers, setting the standard across the team
- Leverage AI tools such as GitHub Copilot thoughtfully to improve efficiency and code quality
What you’ll be working on
- Building white‑label applications used across multiple brands
- Developing design systems to enable consistent, reusable UI development at scale
- Enhancing customer acquisition journeys and digital experiences
- Supporting shared platforms and infrastructure, working beyond just front‑end development
What we’re looking for
- You’re a strong senior engineer who combines technical depth with ownership and influence. You’re comfortable working in a regulated environment and confident contributing beyond just code. Strong communication skills are key as you will be working closely with senior stakeholders.
- Strong experience with React (Next.js, Remix or similar), TypeScript and modern front‑end development
- Experience building scalable UI systems, including design systems and component libraries (Storybook, atomic design)
- Solid understanding of API integration (RESTful services) and Node.js
- Experience working with micro‑frontend architecture and monorepos (e.g. Nx, Turborepo)
- Strong grounding in testing practices (TDD, quality, performance, accessibility)
- Exposure to DevOps / SRE concepts, including monitoring and production ownership
- A self‑starter approach, with the ability to influence decisions and improve how things are done
Why this role matters
- Delivering seamless, scalable customer experiences across multiple brands
- Ensuring our platforms are secure, accessible and high‑performing
- Supporting faster delivery of new features and improvements
- Enabling a consistent and reusable approach to front‑end engineering across NewDay
Diversity and inclusion
At NewDay, we value all types of diversity. We’re an equal opportunity employer and believe that our differences create a vibrant, authentic working culture. We want all our colleagues to feel able to bring their whole selves to work. We don’t discriminate on the basis of protected characteristics or identities. We make sure that every job is crafted to be inclusive and that people with disabilities or caring responsibilities can take part in the application and interview process. Tell us if you need accommodations: We’ll put reasonable adjustments in place to support you. We work with Textio to make our job design and hiring inclusive.
Senior React Engineer in London employer: NewDay Technology Limited
At NewDay, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration. As a Senior React Engineer, you'll not only have the opportunity to work on impactful projects with leading brands like Argos and John Lewis, but you'll also benefit from a supportive environment that encourages professional growth and mentorship. Our commitment to diversity and inclusion ensures that every team member can thrive, making NewDay a truly rewarding place to advance your career.
StudySmarter Expert Advice🤫
We think this is how you could land Senior React Engineer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech world, especially those who work at NewDay or similar companies. A friendly chat can sometimes lead to insider info about job openings or even a referral.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your React projects, especially any scalable UI systems or design systems you've built. This will give potential employers a taste of what you can do and how you approach problem-solving.
✨Tip Number 3
Prepare for the interview by brushing up on your knowledge of API integration and micro-frontend architecture. Be ready to discuss how you've tackled challenges in previous roles, particularly around performance and accessibility.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you're genuinely interested in joining our team at NewDay.
We think you need these skills to ace Senior React Engineer in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experiences that match the Senior React Engineer role. Highlight your experience with React, TypeScript, and any relevant projects that showcase your ability to build scalable applications.
Craft a Compelling Cover Letter:Use your cover letter to tell us why you're the perfect fit for this role. Share specific examples of how you've contributed to similar projects in the past and how you can help enhance customer acquisition journeys at NewDay.
Showcase Your Technical Skills:Don’t forget to mention your experience with modern front-end development practices, API integration, and any tools like GitHub Copilot that you've used. This is your chance to shine and show us your technical depth!
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows us you’re keen on joining our team!
How to prepare for a job interview at NewDay Technology Limited
✨Know Your React Inside Out
Make sure you brush up on your React skills, especially with frameworks like Next.js or Remix. Be ready to discuss your experience in building scalable UI systems and how you've implemented design systems or component libraries in past projects.
✨Showcase Your Problem-Solving Skills
Prepare to talk about specific challenges you've faced in previous roles, particularly around customer journeys and onboarding experiences. Think of examples where you took ownership of a project and how you contributed to its success.
✨Communicate Like a Pro
Since strong communication skills are key for this role, practice explaining complex technical concepts in simple terms. Be prepared to discuss how you've collaborated with senior stakeholders and mentored other engineers in your team.
✨Familiarise Yourself with Best Practices
Brush up on testing practices, accessibility, and performance standards. Be ready to discuss how you've championed best practices in engineering and how you ensure production quality in your work.
