Christian Gleissner
Senior Engineer at Sainsbury's Digital, Tech and Data
High Wycombe, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolChristian Gleissner is a Senior Engineer with 13 years of hands-on experience designing and optimising cloud-native microservices and big data pipelines on the JVM, currently building Java/Kotlin services on AWS and Kubernetes for Sainsbury’s Digital. He has deep expertise in high-throughput, multi-threaded systems, performance profiling and optimisation, and a track record of modernising legacy platforms into resilient microservice architectures using Kafka, Cassandra, Elasticsearch and Spark. Christian combines architecture and team lead experience with practical DevOps and automation skills—introducing CI/CD, testing/record‑replay infrastructures, and production observability across multiple organisations. He is comfortable across the stack from low-level performance tuning to distributed data engineering, and has repeatedly improved capacity and release velocity through pragmatic tooling and process changes. A developer since programming a C64 in the 1980s, he brings long-term curiosity and a bias for measurable improvements in performance, testability and operational visibility.
13 years of coding experience
20 years of employment as a software developer
Diplom-Informatiker (Master of Computer Science), Computer Science, Diplom-Informatiker (Master of Computer Science), Computer Science at FAU Erlangen-NürnbergExchange Studies, Computer Science, Exchange Studies, Computer Science at Purdue University
English, German, French
Stackoverflow
59reputation
29kreached
1answer
0questions
Github Skills (183)
testing10
databinding10
fan-control10
pwm10
rest-api10
temperature10
commodore10
obs10
spring-mvc10
stream10
mocks10
jackson10
rest10
batch10
csv10
Programming languages (12)
Github contributions (5)
chrisgleissner/c64bridge
Oct 2025 - Jul 2026
MCP server to control and program the Commodore 64 Ultimate, Ultimate 64, Ultimate II, or VICE.
Contributions:7 releases, 22 reviews, 18 PRs in 8 months
aic64chatgptcommodorecommodore-64
chrisgleissner/behaim
Jan 2016 - Feb 2020
Java Object Graph Explorer
Contributions:36 commits, 2 PRs, 35 pushes in 4 years 1 month
javaobject-graph
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