SumUp · 9 hours ago
Senior Full-Stack Engineer - Wealth and Expansion
Boulder, CO
Full-time
Onsite
Senior Level
$150K/yr - $175K/yr
5+ years expSumUp is a company focused on empowering small businesses globally by providing efficient financial tools. They are seeking a Senior Full-Stack Engineer to help build their digital banking solutions, working within a global team to enhance their bank expansion and investment products.
Credit CardsFinancial ServicesFinTechMobile PaymentsPoint of Sale
Responsibilities
Build the future of investment and banking solutions for our customers
Design, implement, and iteratively develop highly available backend services, while continuously evaluating and implementing new methods to ensure the high reliability of transfer systems
Maintain and improve core services utilizing a modern, cloud-native technology stack (AWS), with microservices (Docker, K8s) written in Go and Elixir
Design, implement, and iteratively develop highly available backend services
Improve test coverage for existing services and own the end-to-end delivery of changes, including testing, observability, and monitoring
Continuously improve our engineering culture by refining best practices, clarifying problems and opportunities, prototyping solutions, providing comprehensive documentation, and selecting new tools and technologies
Qualification
Required
5+ years of real world programming experience
Proficient in one or more modern backend languages, primarily Golang, Elixir, Kotlin (with a little bit of Node/Python sprinkled in)
Hands-on experience with TypeScript and developing responsive web frontend applications
Experienced in developing and maintaining distributed microservices and RESTful APIs
Prior experience with modern cloud technologies (AWS, Docker, Kubernetes)
Knowledgeable in event streaming platforms and messaging brokers such as Kafka and RabbitMQ
Demonstrated ability to learn new languages and technologies
Comfortable working with SQL and NoSQL databases
Experience with CI/CD products such as GitHub Actions, Jenkins, ArgoCD
Take pride in your work, have a keen sense of ownership, and are dedicated to writing clear, maintainable, and testable code
Product-focused engineer who is passionate and curious about solving user challenges
Benefits
$2,300/ year) for attending conferences and/or advancing your career through further education
Enrollment in our virtual stock ownership program - you will own a stake in SumUp’s future success
A corporate pension scheme
Access to the SumUp Sabbatical, our Employee assistance program for mental health as well as Fitness and language learning benefits.
You’ll attend global offsites and/or hackathons
Company
SumUp
SumUp is a financial technology company that enables businesses to accept card payments at the point of sale or on the go.
1001-5000 employees
H1B Sponsorship
SumUp has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2022 (2)
Funding
Current Stage
Late StageTotal Funding
$4.02BKey Investors
Goldman SachsSixth StreetVictory Park Capital
2024-05-01Debt Financing· $1.61B
2023-12-11Debt Financing
2023-12-10Private Equity· $306.81M
Leadership Team
Jan Deepen
Co-Founder
Marc-Alexander Christ
Co-Founder
Recent News
2025-12-06
2025-11-19
Business News Americas
2025-11-14
Company data provided by crunchbase