Ferenc Szili
Senior Software Engineer at ScyllaDB
Hungary
Summary
🤩
Rockstar🎓
Top SchoolFerenc Szili is a senior software engineer with three decades of programming experience and over a decade focused on modern backend and distributed systems. Currently at ScyllaDB, he contributes to a high-performance NoSQL database used for ultra-low-latency workloads, bringing deep C++ and systems expertise to features like compaction and production-grade tooling. His background spans embedded firmware, robotics, and enterprise server-side components (Kafka, SQL, Python), reflecting an ability to move between low-level hardware-aware code and large-scale distributed architectures. Ferenc has a proven track record of shipping robust, tested improvements to open-source projects and commercial platforms, with attention to security and logging that prevents sensitive-data exposure. Based in Hungary, he combines long-term hands-on development with consultancy experience, often solving domain-specific problems from handheld device warehousing to financial risk systems. A less obvious strength is his comfort across decades of tooling and platforms, enabling rapid adaptation to both legacy environments and cutting-edge cloud-native systems.
12 years of coding experience
26 years of employment as a software developer
XIII Beogradska Gimnazija
English, Croatian, Hungarian
Github Skills (11)
databases10
pact10
c-language10
seastar10
scylla10
pac10
cprogramming-language10
cassandra10
nosql10
database10
logging9
Programming languages (4)
Github contributions (5)
scylladb/scylladb
Mar 2024 - Apr 2025
NoSQL data store using the seastar framework, compatible with Apache Cassandra
Role in this project:
Back-end Developer / Database Engineer
Back-end Developer / Database EngineerContributions:51 reviews, 20 PRs, 152 comments in 1 year
Contributions summary:Ferenc's contributions primarily focused on enhancing the ScyllaDB database's functionality and stability. They implemented features related to compaction, including the "unchecked_tombstone_compaction" option and its validation. The user also addressed bugs in the `scylla-nodetool` utility and improved logging to prevent the exposure of sensitive data. Furthermore, they added tests for the new compaction options and row count warnings.
cppnosqlseastarcassandrasql
nodep/scylladb
Mar 2024 - Mar 2025
NoSQL data store using the seastar framework, compatible with Apache Cassandra
Contributions:190 pushes, 23 branches in 1 year
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