SumUp
Fintech
Backend Engineer - Run & Grow
Design, build, and operate production-grade backend services, APIs, and integrations, primarily using Go.
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SumUp
SumUp is a leading global fintech company committed to levelling the playing field for small businesses.
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About SumUp
SumUp is a leading global fintech company committed to levelling the playing field for small businesses. Founded in 2012, we’re the trusted partner of over 4 million merchants in 37 markets, providing simple and affordable tools that help them manage payments, finance, and customer relationships. Our vision is a world where everyone can build a thriving business. Guided by this, we champion small business ownership by creating accessible solutions that empower entrepreneurs to grow and succeed. Our diverse team of over 3,000 SumUppers — representing more than 90 nationalities across 20 offices worldwide — is at the heart of our success. Beyond business, we donate 1% of the net revenue generated by Solo devices to environmental causes and support educational and entrepreneurial initiatives around the world. Recognised as a Top Global Employer for inclusion by the Stonewall Workplace Equality Index in 2022 and 2023, and awarded Fintech Diversity Initiative of the Year at the Irish National Fintech Awards in 2025, SumUp continues to build an inclusive, supportive, and purpose-driven workplace where everyone belongs.
Tech stack
GoEvent-drivenMicroservicesREST APIsAWSGCPAirflowClickHousedbtDynamoDBElasticsearchPostgreSQLRedisSnowflakeAngularReactDockerGithub ActionsHelmJenkinsKubernetesTerraformElixirJavaKotlinNode.jsPythonRubyRustSpring BootTypeScriptKafkaRabbitMQGrafanaPrometheus
Open Go roles
SumUp
Fintech
Senior Backend Engineer - Run & Grow
Design, build, and operate production-grade backend services, APIs, and integrations, primarily using Go.
SumUp
Fintech
Senior Backend Engineer (Golang) - Payments Infrastructure
SumUp enables businesses to get paid easily, process orders quickly, sell online instantly and manage their money more efficiently. We create the tools businesses need to make their business and their customer experience thrive.
SumUp
Fintech
Senior Fullstack Engineer - Localization
The Localization team builds and owns the systems that make sure every merchant, in every one of our 38 markets, can understand and use our products in their own language. It's one of the most critical enablers of SumUp's global growth…
SumUp
Fintech
Backend Engineer (Golang) - Transfers Europe
At SumUp, we empower small businesses with simple, affordable tools to start, run, and grow. Our Global Bank teams build the financial services that help merchants manage their money and keep their businesses moving.
SumUp
Fintech
Backend Engineer (Golang) - Bank Balance
At SumUp, the Global Bank team builds the core infrastructure and services that give merchants a digital bank account, helping small businesses manage their money easily and reliably.
SumUp
Fintech
(Senior) Backend Engineer (Golang) - Bank
In the Global Bank tribe, we are building the infrastructure and core services needed to provide our merchants with a digital bank account that empowers them to be successful at doing what they love. Our goal is to become the most popular…
SumUp
Fintech
Senior Backend Engineer (Golang) - Bank Balance
At SumUp, the Global Bank team builds the core infrastructure and services that give merchants a digital bank account, helping small businesses manage their money easily and reliably.
SumUp
Fintech
Senior Backend Engineer - Identity Lifecycle
Work primarily with Go, while maintaining and progressively modernising existing services written in Java.
SumUp
Fintech
Senior Software Engineer (Golang) – Pricing Domain
At SumUp, we create tools that help small businesses get paid easily, manage money confidently, and grow sustainably. Our mission is to empower merchants around the world, and at the heart of that mission is a robust, scalable Payments…
SumUp
Fintech
Backend Engineer - Merchant Risk Intelligence
You will collaborate with great Go engineers in the tribe and you will be able to learn from them.
SumUp
Fintech
SumUp
Fintech
Senior DevOps Engineer
Our Platform Tribe builds Fleet, the infrastructure foundation that every engineering team at SumUp relies on to ship safely and quickly. Fleet gives teams a stable, self-service platform, built on AWS, Kubernetes and Terraform, so they can…
SumUp
Fintech
(Senior/Mid) Software Engineer, Golang - Payments Platform
SumUp enables businesses to get paid easily, process orders quickly, sell online instantly and manage their money more efficiently. We create the tools businesses need to make their business and their customer experience thrive.
SumUp
Fintech
Engineering Manager - Verification
In this role as Engineering Manager for our Verification squad, you will lead the team responsible for identity checks across all of SumUp's markets. This is a high-impact opportunity to guide a team running high-stakes work streams across…
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