Senior Frontend Engineer

Sorry, this job was removed at 07:58 p.m. (CST) on Monday, Jun 23, 2025
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London, England
Hybrid
Cloud • eCommerce • Fintech • Payments • Financial Services
We enable businesses and their communities to thrive in the digital economy.
The Role
Company Description

Checkout.com is one of the most exciting fintechs in the world. Our mission is to enable businesses and their communities to thrive in the digital economy. We’re the strategic payments partner for some of the best known fast-moving brands globally such as Wise, The Hut Group, Sony Electronics, Sainsbury’s, Deliveroo, Adidas, Klarna and many others. Purpose-built with performance and scalability in mind, our flexible cloud-based payments platform helps global enterprises launch new products and create experiences customers love. And it's not just what we build that makes us different. It's how.

We empower passionate problem-solvers to collaborate, innovate and do their best work. That’s why we’re on the Forbes Cloud 100 list and a Great Place to Work accredited company. And we’re just getting started. We’re building diverse and inclusive teams around the world — because that’s how we create even better experiences for our merchants and our partners. And we need your help. Join us to build the digital economy of tomorrow.

Job Description

Global payments are complex and ever-evolving. At Checkout our software engineers develop the next-generation payments technologies that enable our Merchants to boost their acceptance rates, cut processing costs, fight fraud, and create cutting edge technology that enables extraordinary customer experiences. 

We're looking for engineers who bring fresh ideas, have a curious nature and are passionate about working in an Engineering environment which focuses on building products to achieve the company's strategic goals. You’ll get to work with teams from across Checkout.com’s portfolio of products and services who all have a real customer first philosophy.

As a Senior Frontend Software Engineer embedded within a multifunctional team, you will collaborate with Product and Design counterparts to lead the UI implementation of Checkout.com products and services, ensuring our merchants enjoy an optimal experience across all frontend touchpoints. We seek engineers who are versatile, demonstrate exceptional leadership qualities, and are enthusiastic about tackling new challenges across the full stack as we push technology forward. With your technical expertise, you will lead project priorities, manage deadlines, and ensure high-quality deliverables. You will be responsible for designing, developing, testing, deploying, maintaining, and enhancing software solutions.

Qualifications

  • Comprehensive skills in React and TypeScript: Capable of architecting complex applications, driving best practices, and mentoring others.
  • Extensive experience in software development, design, and architecture, with a strong focus on security
  • Experience collaborating on software projects with both design and backend teams
  • Experience with Continuous Integration and Deployment workflows
  • Cloud-based application development experience
  • Strong customer focus; building accessible applications with a great UX
  • Experience leading tech initiatives, guiding your team and delivering
  • Experience building reliable, accessible and well-tested systems.
  • Great communication skills and ability to interact effectively with multidisciplinary teams

Desirable:

  • Some experience with C# is nice to have
  • Understanding of common security vulnerabilities and performance issues in web applications and knowing how to debug them
  • Experience with asynchronous, event-driven architecture
  • Database experience with NoSQL, ElasticSearch or similar tool

Additional Information

Hybrid Working Model: All of our offices globally are onsite 3 times per week (Tuesday, Wednesday, and Thursday). We’ve worked towards enabling teams to work collaboratively in the same space, while also being able to partner with colleagues globally. During your days at the office, we offer amazing snacks, breakfast, and lunch options in all of our locations.

Apply without meeting all requirements statement 

If you don't meet all the requirements but think you might still be right for the role, please apply anyway. We're always keen to speak to people who connect with our mission and values.

We believe in equal opportunities

We work as one team. Wherever you come from. However you identify. And whichever payment method you use. 

Our clients come from all over the world — and so do we. Hiring hard-working people and giving them a community to thrive in is critical to our success.

When you join our team, we’ll empower you to unlock your potential so you can do your best work. We’d love to hear how you think you could make a difference here with us. 

We want to set you up for success and make our process as accessible as possible. So let us know in your application, or tell your recruiter directly, if you need anything to make your experience or working environment more comfortable. We’ll be happy to support you.

Take a peek inside life at Checkout.com via

  • Our Culture video https://youtu.be/BEwnpHuadSw
  • Our careers page https://www.checkout.com/careers
  • Our LinkedIn Life pages bit.ly/3OaoN1U  
  • Our Instagram https://www.instagram.com/checkout_com/

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The Company
England
2,000 Employees
Year Founded: 2012

What We Do

We’re Checkout.com. We work with global companies like eBay, ASOS, Klarna, Uber Eats, and Sony, to power their payments from behind the scenes. With a global digital network and extensive expertise, our mission is to help businesses thrive with high-performing payments. Because when payments just work, businesses grow, customers stay, and no one stops to think about why.

We have the energy of a start-up on a global scale, with 19 offices across six continents and a HQ in London. All of our people are driven, ambitious, and performance-obsessed, because working here is a chance to grow faster than anywhere else, and build the future of fintech.

Find out more about our team here: https://www.checkout.com/careers

Why Work With Us

We empower passionate problem-solvers to collaborate, innovate and do their best work.

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