Senior Software Engineer in London
Senior Software Engineer

Senior Software Engineer in London

London Full-Time 36000 - 60000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Build impactful applications and create innovative features for our customers.
  • Company: Join NewDay, a tech-driven company focused on inclusivity and growth.
  • Benefits: Enjoy competitive salary, health benefits, and opportunities for professional development.
  • Why this job: Make a real difference with cutting-edge technology in a supportive environment.
  • Qualifications: Expertise in React, TypeScript, Node.js, and agile methodologies required.
  • Other info: Diverse workplace with excellent career growth and a commitment to equality.

The predicted salary is between 36000 - 60000 £ per year.

NewDay is building an extraordinary engineering team enabled by modern technology. We empower our people to contribute to an inclusive culture, to thrive, and to grow as engineers. We serve close to 5 million customers across the UK with a purpose to help people move forward with credit. Our technology platform and mobile apps are central to our mission.

What you will be doing:

  • Building and delivering business-critical applications that make a real impact for our customers
  • Creating innovative new features that level-up our existing products

Your Skills and Experience:

  • Proven React expertise with TypeScript to craft robust, scalable interfaces
  • Node.js for developing high-performance services and APIs
  • Solid track record in testing — from code quality and security to customer journeys and accessibility
  • Deep understanding of writing semantic, accessible, and modular front-end code that lasts
  • Skilled in integrating with services via RESTful APIs
  • Hands-on experience with agile software development methodologies
  • Familiarity with Azure cloud services and modern deployment patterns
  • Experience applying TDD (Test Driven Development) for rock-solid code
  • Practical skills with Playwright for automated end-to-end testing
  • Comfort working with monorepos using tools like Turborepo or Nx
  • Hands-on experience setting up and running CI/CD pipelines
  • Knowledge of Storybook, atomic design principles, and design language systems

Equality and Diversity:

We are an equal opportunity employer and value diversity at our company. We want all our colleagues to feel able to bring their whole selves to work. We will not discriminate on the basis of age, physical or mental disability, gender reassignment, marriage and civil partnership, pregnancy and maternity, race (including colour, nationality, and ethnic or national origin), religion or belief, sex and sexual orientation. We will ensure that individuals with disabilities are provided reasonable adjustments to participate in the application and interview process.

Role Details:

  • Seniority level: Mid-Senior level
  • Employment type: Full-time
  • Job function: Engineering and Information Technology

Senior Software Engineer in London employer: NewDay

At NewDay, we pride ourselves on being an exceptional employer that fosters a culture of inclusivity and innovation. Our engineering team is empowered to grow and thrive, working with cutting-edge technology to create impactful solutions for nearly 5 million customers across the UK. With a strong focus on employee development, collaborative work environments, and a commitment to diversity, NewDay offers a unique opportunity for Senior Software Engineers to make a meaningful difference while advancing their careers.
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Contact Detail:

NewDay Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Software Engineer in London

✨Tip Number 1

Network like a pro! Reach out to current or former employees at NewDay on LinkedIn. A friendly chat can give us insider info about the company culture and maybe even a referral!

✨Tip Number 2

Show off your skills! Prepare a portfolio or GitHub repository showcasing your React and Node.js projects. This is our chance to demonstrate how we can build those business-critical applications they’re after.

✨Tip Number 3

Ace the interview by practising common technical questions and coding challenges. We can use platforms like LeetCode or HackerRank to sharpen our skills and boost our confidence before the big day.

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure our application gets seen by the right people. Plus, it shows we’re genuinely interested in joining the NewDay team.

We think you need these skills to ace Senior Software Engineer in London

React
TypeScript
Node.js
Testing
Semantic Code Writing
RESTful APIs
Agile Software Development
Azure Cloud Services
TDD (Test Driven Development)
Playwright
CI/CD Pipelines
Monorepos
Turborepo
Nx
Storybook

Some tips for your application 🫡

Tailor Your CV: Make sure your CV reflects the skills and experience mentioned in the job description. Highlight your React and TypeScript expertise, as well as any experience with Node.js and testing methodologies. We want to see how you can contribute to our mission!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Share your passion for building impactful applications and how your background aligns with our goals at NewDay. Don’t forget to mention your familiarity with agile methodologies and CI/CD pipelines.

Showcase Your Projects: If you've worked on relevant projects, make sure to include them! Whether it's a personal project or something from your previous job, we love seeing practical examples of your skills, especially in areas like automated testing and API integration.

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 you’re keen on joining our team!

How to prepare for a job interview at NewDay

✨Know Your Tech Stack

Make sure you brush up on your React and TypeScript skills before the interview. Be ready to discuss how you've used these technologies in past projects, especially when it comes to building scalable interfaces.

✨Showcase Your Testing Skills

Prepare to talk about your experience with testing methodologies, particularly TDD and automated testing with Playwright. Bring examples of how you've ensured code quality and accessibility in your previous roles.

✨Familiarise Yourself with Agile Practices

Since NewDay values agile methodologies, be ready to share your experiences working in agile teams. Discuss how you've contributed to sprints and collaborated with cross-functional teams to deliver impactful features.

✨Emphasise Your Problem-Solving Abilities

Think of specific challenges you've faced in your previous roles and how you overcame them. Highlight your ability to integrate services via RESTful APIs and your experience with CI/CD pipelines to demonstrate your problem-solving skills.

Senior Software Engineer in London
NewDay
Location: London

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