Company Description

We’re Checkout.com – you might not know our name, but companies like eBay, ASOS, Klarna, Uber Eats, and Sony do. That moment when you check out online? We make it happen.

Checkout.com is where the world checks out. Our global network powers billions of transactions every year, making money move without making a fuss. We spent years perfecting a service most people will never notice. Because when digital payments just work, businesses grow, customers stay, and no one stops to think about why.

With 19 offices spanning six continents, we feel at home everywhere – but London is our HQ. Wherever our people work their magic, they’re fast-moving, performance-obsessed, and driven by being better every day. Ideal. Because a role here isn’t just another job; it’s a career-defining opportunity to build the future of fintech.

Job Description

Checkout.com is looking for a dynamic and proactive Implementation Engineer to be responsible for providing our merchants and business partners with world-class technical support during implementation. The core purpose is to reduce as much friction as possible from the integration process in order to achieve a successful and efficient integration.

You will play a critical role in maintaining the trust of our customers, ensuring that any technical queries that arise during the implementation process are answered and escalated when required. Working directly with our customer’s technical teams to resolve issues, you will also collaborate closely with various internal stakeholders across Technology and Business to contribute towards consolidating Checkout.com’s position as a leading online payment solutions provider in the region.

The ideal candidate must be customer-driven and tech-savvy, with proven problem-solving abilities and eager to join a dynamic, agile and fast-growing environment.

How you’ll make an impact

• Provide technical support to merchants during their implementation of Checkout.com payment processing technology

• Answer all merchants’ integration related questions, including but not limited to configuration, debugging, documentation, testing, go-live support, and post-live support

• Collaborate and partner with internal teams such as Sales Engineer, Technical Account Manager, Merchant Configuration, Sales, Account Managers, and Merchant Care, to resolve issues during customer trials, integrations, or post-implementation support

• Interact with the Product teams to pinpoint improvement ideas

• Advise Manager on issues which impact customer satisfaction and provide recommendations for appropriate actions

• Ability to multitask with multiple projects and integrations of customers

• Maintain/update existing libraries/plugins used in integrations

About You:

• 3 years of development or technical support experience in a Tech/FinTech company

• Bachelor's degree in a relevant field (e.g., Computer Science, Information Technology) is desirable or equivalent practical experience in internet technologies and technical processes.

• Understanding of API, REST, webhooks and logs is required

• Strong coding skills in at least one of these languages: Java, Javascripts, PHP, Python, Go, C#

• Excellent communication skills, ability to build and maintain strong relationships with internal and external parties

• Ability to work in a customer-focused and target-driven environment

• Good in speaking and writing in English, Cantonese and Mandarin

Nice to have:

• Payments industry exposure with an understanding of the related rules and regulations and payments schemes as well as security protocols related to payments

• Understanding of end-to-end payment flow.

• Experience with 3DS, Network Tokenisation, Apple/Google Pay, or fraud‑risk engines.

• Familiarity with PSD2/PSD3/PSR, FCA, ISO-8583.

• Experience with Node.js, React is a plus

• Knowledge in iOS/Android is a plus

• Former engineering, developer, or product background.

Bring all of you to work

We create the conditions for high performers to thrive – through real ownership, fewer blockers, and work that makes a difference from day one.

Here, you’ll move fast, take on meaningful challenges, and be recognized for the impact you deliver. It’s a place where ambition gets met with opportunity – and where your growth is in your hands.

We work as one team, and we back each other to succeed. So whatever your background or identity, if you’re ready to grow and make a difference, you’ll be right at home here.

It’s important we 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.

Life at Checkout.com

We understand that work is just one part of your life. Our hybrid working model offers flexibility, with three days per week in the office to support collaboration and connection.

Curious about what it’s like to be part of our team? Visit our Careers Page to learn more about our culture, open roles, and what drives us.

For a closer look at daily life at Checkout.com, follow us on LinkedIn and Instagram