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Senior Frontend Engineer

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

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What You Should Know About Senior Frontend Engineer , Checkout.com

Checkout.com is on the lookout for a talented Senior Frontend Engineer to join our vibrant team in London, UK. Here at Checkout.com, a leader in the fintech domain, we aim to empower businesses and their communities in the digital economy. Your role will be pivotal in helping us design and develop next-generation payment technologies that enhance the user experience for our merchants. You’ll collaborate with product and design teams to implement intuitive user interfaces, ensuring that our platforms are not only functional but also enjoyable to use. With your expert knowledge in React and TypeScript, you’ll lead project priorities and mentor teammates while building reliable and secure software solutions. Our ideal candidate thrives in a fast-paced engineering environment and has a passion for tackling complex challenges. We want someone who communicates well, works effectively within multidisciplinary teams, and fosters an atmosphere of collaboration and innovation. At Checkout.com, you’ll enjoy a hybrid working model, which means flexibility in your work location while still enjoying the energy of team days in the office. You'll experience supportive partnerships, creative brainstorming sessions, and great amenities like delicious meals and snacks. We cherish diversity, inclusion, and dynamic problem-solving, so if you like the sound of being part of something exciting, let’s chat and explore how you can help us build the digital economy of tomorrow.

Frequently Asked Questions (FAQs) for Senior Frontend Engineer Role at Checkout.com
What are the primary responsibilities of a Senior Frontend Engineer at Checkout.com?

As a Senior Frontend Engineer at Checkout.com, you'll be responsible for leading the UI implementation of our products and services. This means working closely with cross-functional teams to design, develop, and enhance user interfaces that provide an optimal experience for our merchants. You'll manage project priorities, deadlines, and ensure high-quality deliverables that align with our strategic goals.

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What qualifications are essential for the Senior Frontend Engineer position at Checkout.com?

To qualify for the Senior Frontend Engineer role at Checkout.com, candidates should possess comprehensive skills in React and TypeScript, have extensive experience in software development, design, and architecture, and a strong focus on security. Familiarity with CI/CD workflows, cloud-based application development, and an ability to create accessible applications are also crucial.

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How does collaboration look for a Senior Frontend Engineer at Checkout.com?

Collaboration is at the heart of what we do at Checkout.com for our Senior Frontend Engineers. You'll work alongside Product and Design teams to ensure our UI designs translate into seamless, user-friendly applications. Additionally, interaction with backend teams is essential for integrating different software components effectively.

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What kind of work environment can a Senior Frontend Engineer expect at Checkout.com?

At Checkout.com, we offer a hybrid working model that promotes flexibility while encouraging teamwork in the office. You'll have the opportunity to collaborate with colleagues in person three times a week and engage in a vibrant workplace culture that emphasizes community and shared goals.

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What additional skills could enhance my application for the Senior Frontend Engineer role at Checkout.com?

While proficiency in React and TypeScript is essential for the Senior Frontend Engineer role at Checkout.com, having some experience with C# and an understanding of common security vulnerabilities and performance issues in web applications will certainly enhance your application. Familiarity with event-driven architecture and NoSQL databases is also beneficial.

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Common Interview Questions for Senior Frontend Engineer
Can you describe your experience with React and TypeScript in your previous projects?

When answering this question, highlight specific projects where you've used React and TypeScript, emphasizing your contributions, challenges faced, and how you overcame them. Discuss your ability to architect complex applications and mentor others in best practices.

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How do you ensure the quality of your frontend code?

Discuss your coding standards and practices that guarantee high-quality outputs, such as code reviews, unit testing, and following design patterns. Highlight your experience with CI/CD workflows that make testing and deployment a seamless part of your development process.

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Describe a time you collaborated with designers to enhance user experience.

Share specific examples where you worked closely with design teams, focusing on how your technical insights led to improved user experience. Make sure to mention any feedback loops and how you integrated design changes into your frontend implementation.

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What strategies do you use to manage project deadlines and priorities?

Outline your approach towards project management, perhaps mentioning tools you've used (like JIRA or Trello), and how open communication with team members helps align priorities. Demonstrating your organizational skills and ability to adapt can set you apart.

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Can you explain a complex technical problem you solved in a previous project?

Choose a particularly challenging technical issue and explain the problem, the steps you took to solve it, and the outcome. Be sure to focus on your thought process and the impact of your solution on the team's productivity.

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How do you stay updated on the latest frontend technologies and trends?

Discuss your methods for staying informed, whether it’s through reading blogs, attending conferences, or participating in online forums. Mention specific technologies you’re excited about and how they may apply to Checkout.com’s projects.

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In your opinion, what makes a successful user interface?

Talk about the key elements of a great UI, such as usability, accessibility, performance, and aesthetics. Relate these concepts back to your experience and how you’ve implemented them in your past projects.

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What is your approach to mentoring junior developers?

Share your philosophy about mentorship, including how you offer guidance, foster an inclusive environment, and empower junior team members by sharing knowledge and resources. Examples of successful mentoring experiences can strengthen your answer.

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How would you handle a disagreement with a team member about a technical decision?

Describe your conflict resolution strategy, emphasizing the importance of communication and collaboration in reaching a solution. Discuss the value of considering different perspectives and how a respectful dialogue can lead to better decisions.

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What is your experience with cloud-based application development?

Elaborate on any past experiences with cloud platforms, detailing your contributions and the technologies you worked with. Mention how you’ve leveraged the scalability and performance benefits of cloud computing in your projects, particularly in relation to payment solutions.

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EMPLOYMENT TYPE
Full-time, hybrid
DATE POSTED
April 3, 2025

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