๐ London, UK
SumUp develops payment processing hardware and software solutions, headquartered in London, UK. Its products include card readers and mobile payment applications that cater to small businesses and merchants across Europe and beyond. The engineering team focuses on embedded systems, software development, and quality assurance for payment applications. Engineers work on integrating secure payment protocols and optimizing performance for various Android devices. With a growing presence in the financial services sector, SumUp is committed to enhancing the payment experience for users.
Hardware Engineer
@ SumUp
Senior Embedded Software Engineer - Android
@ SumUp
Senior Embedded QA Engineer
@ SumUp
Embedded Engineer - Payment Application
@ SumUp
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SumUp develops payment processing hardware and software solutions, headquartered in London, UK. Its products include card readers and mobile payment applications that cater to small businesses and merchants across Europe and beyond. The engineering team focuses on embedded systems, software development, and quality assurance for payment applications. Engineers work on integrating secure payment protocols and optimizing performance for various Android devices. With a growing presence in the financial services sector, SumUp is committed to enhancing the payment experience for users.
SumUp currently has 1 active embedded systems position in 1 location. All positions are on-site, typical for hardware-focused roles requiring lab access and equipment. Recognized as a top-tier employer (80.0/100), SumUp offers competitive compensation and strong career development paths in embedded engineering.
* Data represents job posting activity over the past 6 months: Jan 2026 through Jun 2026
Hiring momentum at SumUp is currently increasing, with 1
opening posted this month compared to 0 last month.
This upward trend often signals product development acceleration, team scaling, or new project initiatives.
Over the past 6 months, SumUp averaged 0.5 job postings per month,
with peak hiring in Feb 2026 (1 openings).
For embedded systems roles, hiring activity typically correlates with product development cycles,
especially for firmware teams during pre-production phases and hardware engineers during prototyping.
๐ New hiring activity
Consistent hiring velocity
Feb 2026
Android is the most in-demand skill at SumUp,
appearing in 50% of all job listings (past and present).
This skill is important but not universal, indicating diverse technical needs across different product lines or teams.
SumUp's technology stack spans 19 distinct skills and tools,
reflecting the multifaceted nature of embedded systems development.
The broad technical diversity (19 technologies) suggests work on complex,
multi-domain projects requiring both hardware and software expertise.
Engineers joining SumUp should combine depth in key areas with adaptability. Firmware development expertise is critical, especially for engineers skilled in bare-metal programming, RTOS development, and optimizing code for resource-constrained systems. Candidates with adjacent skills (version control, testing frameworks, communication protocols) typically advance faster by contributing across the development lifecycle.
SumUp is currently hiring for a focused Hardware Engineer position, likely to address a specific technical gap or project need.
Experience level distribution: 100% of openings target mid-level-level engineers.
SumUp's engineering operations are concentrated in a single country across 1 location. A single-location focus enables tight team collaboration and simplified operations, particularly valuable for hardware-intensive development requiring shared lab facilities.
These employers share technical focus areas with SumUp and are actively hiring embedded engineers. Exploring multiple companies helps candidates understand market compensation, compare technical challenges, and identify the best cultural and technical fit for their career goals.
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