Checkout Ltd
Staff Software Engineer - Consumer page is loaded Staff Software Engineer - Consumer Apply locations London time type Full time posted on Posted Yesterday job requisition id R7768 Company Description We're - 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. 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 is on a mission to transform the shopping experience for millions of consumers. As one of our most senior individual contributors in this space, you'll be instrumental in shaping the architecture and backend foundation of critical new offerings from the ground up. You'll own pivotal technical decisions across our core services, ensure seamless integration between in-house systems and third-party providers, and work directly with the founding team to build something truly impactful. What You'll Do Design and guide the architecture of our platform: modular, secure, scalable, and maintainable from day one Define integration patterns across internal services and third-party providers Own key infrastructure choices (messaging systems, observability, deployment strategies, etc.) Collaborate closely with Product Managers, Designers, and Mobile Engineers to shape end-to-end journeys Be hands-on in code when needed, but primarily act as a technical force multiplier for the team Champion engineering best practices, security standards, and scalability patterns Mentor the early engineering hires and contribute to hiring plans You Should Have Eight or more years' of backend engineering experience, with at least two years as a Staff or Principal Engineer You have a proven track record of building high-scale consumer systems, ideally with over 500,000 monthly active users. You bring experience from a regulated environment, with a strong preference for a background in fintech. You possess deep knowledge of cloud-native architectures (we use AWS) and are highly skilled in a either .NET or Java. You excel in API-first design, event-driven systems, service orchestration, and defining clean, clear contract boundaries. You are a strategic thinker who thrives on cross-functional collaboration to achieve outstanding results. You have a bias for simplicity and pragmatism, and you're driven to ship quickly without ever compromising on quality. 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 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 , follow us on LinkedIn and Instagram Similar Jobs (4) Senior Software Engineer I locations London time type Full time posted on Posted 17 Days Ago Staff Software Engineer - Financial Infrastructure locations London time type Full time posted on Posted Yesterday Senior Front End Engineer locations London time type Full time posted on Posted 30+ Days Ago
Staff Software Engineer - Consumer page is loaded Staff Software Engineer - Consumer Apply locations London time type Full time posted on Posted Yesterday job requisition id R7768 Company Description We're - 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. 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 is on a mission to transform the shopping experience for millions of consumers. As one of our most senior individual contributors in this space, you'll be instrumental in shaping the architecture and backend foundation of critical new offerings from the ground up. You'll own pivotal technical decisions across our core services, ensure seamless integration between in-house systems and third-party providers, and work directly with the founding team to build something truly impactful. What You'll Do Design and guide the architecture of our platform: modular, secure, scalable, and maintainable from day one Define integration patterns across internal services and third-party providers Own key infrastructure choices (messaging systems, observability, deployment strategies, etc.) Collaborate closely with Product Managers, Designers, and Mobile Engineers to shape end-to-end journeys Be hands-on in code when needed, but primarily act as a technical force multiplier for the team Champion engineering best practices, security standards, and scalability patterns Mentor the early engineering hires and contribute to hiring plans You Should Have Eight or more years' of backend engineering experience, with at least two years as a Staff or Principal Engineer You have a proven track record of building high-scale consumer systems, ideally with over 500,000 monthly active users. You bring experience from a regulated environment, with a strong preference for a background in fintech. You possess deep knowledge of cloud-native architectures (we use AWS) and are highly skilled in a either .NET or Java. You excel in API-first design, event-driven systems, service orchestration, and defining clean, clear contract boundaries. You are a strategic thinker who thrives on cross-functional collaboration to achieve outstanding results. You have a bias for simplicity and pragmatism, and you're driven to ship quickly without ever compromising on quality. 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 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 , follow us on LinkedIn and Instagram Similar Jobs (4) Senior Software Engineer I locations London time type Full time posted on Posted 17 Days Ago Staff Software Engineer - Financial Infrastructure locations London time type Full time posted on Posted Yesterday Senior Front End Engineer locations London time type Full time posted on Posted 30+ Days Ago
Checkout Ltd
Senior Software Engineer I page is loaded Senior Software Engineer I Apply locations London time type Full time posted on Posted Yesterday job requisition id R7649 Company Description We're - 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. 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 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 Senior 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 's portfolio of products and services who all have a real customer first philosophy. As a Senior 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 .NET C#, Java, or Go, or Python, 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 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 Join Us Today! If you're passionate about technology, innovation, and making a real impact in the world of digital payments, we want to hear from you. Join our engineering department at and be part of a team that's shaping the future of payments for generations to come. Apply now and let's embark on this exciting journey together! 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 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 , follow us on LinkedIn and Instagram Similar Jobs (1) Senior Software Engineer I locations London time type Full time posted on Posted Yesterday
Senior Software Engineer I page is loaded Senior Software Engineer I Apply locations London time type Full time posted on Posted Yesterday job requisition id R7649 Company Description We're - 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. 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 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 Senior 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 's portfolio of products and services who all have a real customer first philosophy. As a Senior 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 .NET C#, Java, or Go, or Python, 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 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 Join Us Today! If you're passionate about technology, innovation, and making a real impact in the world of digital payments, we want to hear from you. Join our engineering department at and be part of a team that's shaping the future of payments for generations to come. Apply now and let's embark on this exciting journey together! 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 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 , follow us on LinkedIn and Instagram Similar Jobs (1) Senior Software Engineer I locations London time type Full time posted on Posted Yesterday