- Company: Sum Up
- Location: Berlin, Germany
- Salary: Pay not listed
Sum Up at a glance
sumup.com- Founded 2011
SEC filings mentioning "SumUp": 177 — search EDGAR
252 employees covered under a retirement plan (2024 filing) — via DOL Form 5500 / EFAST2
Registered as a global legal entity (LEI 984500CC08275B948278, US) — via GLEIF
2,703 Wikipedia views in June 2026 — a rough gauge of public visibility.
Senior Backend Engineer - Activation and Revenue at SumUp in Berlin, Germany (Full Time, No Remote)
The Opportunity
In the Global Bank tribe, you'll be instrumental in building the infrastructure for a digital business account that empowers merchants to manage their banking needs. Our mission is to become the leading banking partner for small merchants globally with an effortless and affordable experience. As part of the Bank Activation and Revenue team, your work will directly impact the conversion rate from SumUp's ecosystem users into active bank users. You'll own the critical journey from account opening until merchants fully integrate their business accounts into daily operations.
What You'll Do
- Build Greenfield Services: Design and implement Banners, Rewards, and Feature Toggles to power global product experimentation.
- Drive Activation: Create the technical logic that tracks and incentivizes users through their first five meaningful transactions, ensuring a smooth path to becoming a long-term banking partner.
- Owning the Stack E2E: Follow our "build it, run it, own it" model. You will be responsible for the full lifecycle of your features, from architectural design to production monitoring.
- Participate in a culture of high-velocity engineering with daily deliveries.
Who We're Looking For
- Strong experience as a backend engineer, preferably in the financial or SaaS industry.
- Proficiency in building scalable and efficient services using modern technologies like Python, Go, or Java.
- Experience with microservices architecture and cloud platforms such as AWS or GCP.
- Adept at designing and implementing complex systems that require high availability and performance.
- Passionate about solving challenging problems and delivering value to users through technical innovation.
About the Company
SumUp is a global payments company headquartered in Berlin, Germany. We offer innovative payment solutions for merchants of all sizes, enabling them to accept card payments both online and offline. Our mission is to make commerce easier by providing seamless financial services that help businesses grow.
How to Apply
To apply, complete your application directly on this page, or you'll be redirected to the employer's application platform to finish submitting there.
You’ll finish your application on the employer’s website. We don’t ask for a resume on this page.
Explore Sum Up online
What people say about Sum Up
- Ask HN: How to deal with a hard to work with Start-up CEO?
- Living in Switzerland ruined me for America and its lousy work culture
- The 'No True Programmer' Fallacy
- Ask HN: What's the hardest problem you've ever solved?
Recent news
- SumUp expands into consumer banking across Europe - FinTech Global
- SumUp Launches in Canada, its 38th Market - Finovate
- SumUp Partners with Upvest to Launch In-app Investing, Enabling Merchants to Grow Their Cash with Money Market Funds - FF News
- SumUp launches consumer account paying users to shop small - Sifted
- Iowa Agronomists Share One Word to Sum Up June’s Impact on the Corn Crop - Successful Farming
Aggregated from public discussions and news; opinions are the authors’ own.
Working in Berlin, Deutschland
Weather right now in Berlin, Deutschland: checking… · Local time: · Air quality: · Daylight: · UV index: · Wind: · Pollen:
Berlin is the capital of Germany as well as its largest city by both area and population. With 3.7 million inhabitants, it has the highest population within its city limits of any city in the European Union. The city is also one of the states of Germany, being the third-smallest state in the country by area. Berlin is surrounded by the state of Brandenburg, bordering Brandenburg's capital Potsdam to the southwest. The urban area of Berlin has a population of over 5 million, making it the most populous in Germany. The Berlin-Brandenburg capital region has around 6 million inhabitants and is Ger
🇩🇪 Relocation safety for Germany: Very Safe — via Warnely, CC BY 4.0
National unemployment rate in Germany: 3.7% — via World Bank
Wage growth in Germany (year over year): 3.4% — via Eurostat
GDP per capita in Germany: $60,496 — via World Bank
Consumer price inflation in Germany: 2.2% (annual) — via World Bank
Real GDP growth in Germany: 0.2% (annual) — via World Bank
Statutory minimum wage in Germany: €2,343/month — via Eurostat
Cost of living in Germany: 9.1% above the EU average — via Eurostat
Job vacancy rate in Germany: 2.8% — via Eurostat
Average hours worked per year in Germany: 1,332 — via OECD
Nearby green space: 10 parks within 1.5km — closest is Lustgarten. via OpenStreetMap
Nearest public transit: Staatsoper (bus stop, 55m). via OpenStreetMap
- Elevation 36m (118 ft)
Job details above are provided by the employer/source. The sections on this page are compiled from public data sources with AI assistance.
Accommodations: if you need a workplace accommodation to apply for or perform this job, see ADA.gov or EEOC.gov for guidance on your rights and how to request one.
Listing facts
- Role Senior Backend Engineer – Activation and Revenue
- Employer Sum Up
- Location Berlin, Germany
- Type Full Time
- Pay (from listing) Pay not listed
- Posted July 29, 2026
- Apply by August 28, 2026
- Country Germany
- Overview Full job description on this page (336 words)
Facts above come from this job record on Get A Job.AI — not copied from third-party review sites.
Public discussions & open sources
Attributed public threads and profiles — not employee reviews or star ratings.
- Hacker News — Ask HN: How to deal with a hard to work with Start-up CEO?
- Hacker News — Living in Switzerland ruined me for America and its lousy work culture
- Hacker News — The 'No True Programmer' Fallacy
- Hacker News — Ask HN: What's the hardest problem you've ever solved?
Cached public sources (Hacker News, Dev.to, GitHub, etc.).
Employer website
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