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 (171)
testing10
spring-security10
fan-control10
pwm10
temperature10
controlling10
mocks10
api10
jackson10
csv10
test-automation10
json10
jasypt10
java10
binding10
Programming languages (7)
Github contributions (5)
chrisgleissner/jutil
Aug 2018 - May 2020
Java Utilities
Contributions:2 releases, 232 commits, 2 PRs in 1 year 9 months
csvjvm-bytecodeprotobufsqlpartitioning
chrisgleissner/microservice
Feb 2020 - Sep 2020
JVM-based Microservice Examples
Contributions:118 commits, 116 pushes, 1 branch in 7 months
spring-bootwildflyjpa-hibernatejib-maven-plugindocker
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