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Checkout.comAll Departments

Software Engineer I

LondonFull-timeJuniorSalary: Not disclosed
Posted Jun 10, 2026Deadline: Nov 21, 2026
Job SnapshotActively hiring
LocationLondon
Job typeFull-time
SalaryNot disclosed
DeadlineNov 21, 2026

Finjobsly Role Intelligence

Experience level
Junior
Work style
Hybrid
Visa sponsorship
Not specified
Salary
Not disclosed
Key skills
JavaGoPaymentsFraudProduct ManagementAgile

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Finjobsly Intelligence— Generated from the employer's job description

What you'll own

Design, develop, test, deploy, maintain and enhance scalable micro‑service systems, writing clean, testable code and owning its resilience and operation.

What they're looking for

A graduate in CS or Engineering with proficiency in C# .NET, Java or Go, strong problem‑solving, agile experience, good communication, and curiosity about AI; payments knowledge is a plus.

Why this role matters

Your work powers Checkout.com’s global payments platform, enabling billions of transactions and helping merchants improve acceptance, cut costs, and fight fraud.

Best suited to

A proactive engineer who thrives in fast‑paced, cross‑functional teams, enjoys tackling full‑stack challenges, mentoring juniors, and staying current with emerging technologies.

Fintech requirements

Visa sponsorship: No
Work arrangement: hybrid

About this role

Company Description

We’re Checkout.com. You might not know our name, but companies like eBay, Spotify, Klarna, Uber, and Sony do, because we’re behind many of the digital experiences you use every day.

We are where the world checks out, enabling over 10 billion transactions yearly for more than one billion global shoppers.

Whether you want to book a holiday, order food, renew a subscription, or check out online, there’s a good chance our tech powers the payments behind the scenes. Our platform helps the most ambitious businesses deliver effortless digital experiences, at scale.

If you want to do career-defining work, you’ve come to the right place. We move fast, think globally, and believe great teams are built by hiring exceptional people with conviction, curiosity, and the desire to make an impact.

With 20 offices across six continents and London as our HQ, we’re shaping the future of fintech – and we’re just getting started.

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 Software 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 Software engineer, you will lead and drive specific projects critical to Checkout's needs with opportunities to switch teams and projects as you and our fast-paced business grow and evolve. We need our engineers to be versatile, display exceptional leadership qualities and be enthusiastic to take on new problems across the full-stack as we continue to push technology forward. With your technical expertise you will lead project priorities, deadlines, and deliverables. You will design, develop, test, deploy, maintain, and enhance software solutions.

What are we looking for

  • Bachelor's or Master's degree in Computer Science, Engineering, or related field
  • Proficiency in C# .NET, Java, or Go, with a strong understanding of software development principles in either a backend or full stack environment.
  • Great communication skills and ability to interact effectively with a wide range of stakeholders
  • Experience working in agile environments and delivering high-quality code within tight deadlines
  • Excellent problem-solving skills and the ability to work independently as well as part of a team
  • Someone who is AI proficient or AI curious, you will be hungry to embrace what the latest technology has to offer to enhance yours and your teams productivity
  • Payments or financial knowledge is a plus, but not a necessity

How you’ll make an impact

  • Be part of, and collaborate with, cross-functional teams including product management, across a large engineering community.
  • Define and design loosely coupled, scalable systems in a wider microservices using industry best practices.
  • Stay up-to-date, use, and spread knowledge of the latest technologies used by Checkout.
  • Write clean, maintainable, extendable and testable code on some of Checkout’s most impactful systems.
  • Build, own and operate your systems to the highest levels of resilience and service.
  • Mentor junior team members and assist in their technical development

Additional Information

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

More about this role

About company

Checkout.com logoC

Checkout.com

Full employer profile →

Required skills

JavaGoPaymentsFraudProduct ManagementAgile

Explore more

More Software Engineering Jobs→More jobs at Checkout.com→Java jobs →Go jobs →Salary benchmarks for this role →Browse all fintech jobs →

Checkout.com

Software Engineer I

LondonSalary: Not disclosed

Company insights

70

70/100 estimated sentiment

AI Estimate

AI estimate from public information — not verified employee data

Checkout.com launches stablecoin acceptance with Coinbase

Checkout.com launched a Coinbase Payments-powered capability enabling eligible enterprise merchants to accept stablecoin payments from consumers.

June 2026From the webCheckout.com Newsroom→

Checkout.com returns to full-year EBITDA profitability

Checkout.com reported an adjusted EBITDA margin above 10% for 2025, over $300B in payment volume, 64% volume growth and more than 30% net revenue growth.

February 2026From the webCheckout.com Newsroom→

Ashley Paulus appointed to lead UK and European revenue growth

Checkout.com named Ashley Paulus VP, Head of Revenue for the UK and EEA, putting her in charge of commercial strategy and enterprise growth across the regions.

February 2026From the webCheckout.com Newsroom→

Employee share buyback values Checkout.com at $12 billion

Checkout.com offered employees liquidity through a share buyback at a $12B valuation, a 30% increase from its previous internal valuation.

September 2025From the webForbes→

AI Generated Insights