Software Engineer, Realtime
About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks tha…
We’ve come a long way from our origins as a small startup. Today, we’re a truly global fintech company, with over 3000+ people from 80 nationalities, spread across 22 offices on 4 continents. And we’re growing and diversifying faster than ever before.
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.
Our robust payments processing platform, consisting of various sub-platforms, has powered SumUp’s global business for over a decade. A critical component of this platform is our Payouts team, operating within the post-processing domain to ensure our millions of merchants reliably get paid. This entire ecosystem is developed in Sofia by the Payments Tribe, composed of several autonomous, cross-functional, and co-located squads, each owning their part of the platform end-to-end.
We are currently in an exciting phase of scaling and improving existing products, while also developing innovative new ones. You'll make a significant impact by improving and co-creating our existing and new microservices architecture platforms, tackling complex scaling and new development challenges. Scalability and high availability are always at the forefront of our work.
You can join a team that values solid engineering and impactful solutions. You'll contribute to the design and development of our new Java-based payout platform, working with cutting-edge tech and directly influencing our product.
Java (minimal setup, Spring Boot), Kafka Streams, PostgreSQL/RDBMS, RestEasy, VueJS.
Co-design and develop our new Java payout platform.
Participate in API design and implementation.
Deliver business value through backend decisions and product discussions.
Ensure high code quality, test coverage, and documentation.
Optimize performance and scalability.
Actively
Neutral 2–4 sentence summary of what working at this company is like, drawn from public reviews and press coverage. Tone, collaboration style, pace, benefits highlights.
£45,000 – £60,000 (Glassdoor, Levels.fyi, 2025)
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