Marek Jagielski
Senior Software Engineer at Engine by Starling
United Kingdom
Summary
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SeniorMarek Jagielski is a Senior Software Engineer with over 17 years in commercial development and more than a decade delivering resilient, high-performance backend systems for blue-chip companies. He specializes in Java/Kotlin and the Spring ecosystem, building cloud-native microservices, event-driven systems with Kafka, and search solutions using ElasticSearch to support high-traffic production workloads. At Rightmove and Engine by Starling he focused on architecture and capacity planning to ensure millions of daily searches remain fast and reliable, and he has driven end-to-end delivery from whiteboard design to monitoring in production. Marek blends strong TDD discipline and modern DevOps practices (Docker, Kubernetes, ELK) with hands-on integration work (GraphQL, REST, Kafka Connectors), enabling robust data flows across complex landscapes. He’s a self-motivated quick learner who consistently adopts emerging patterns and tools, and his background spanning retail, finance, and government projects gives him a pragmatic edge in turning ambiguous requirements into scalable solutions.
11 years of coding experience
16 years of employment as a software developer
English, Polish
Stackoverflow
812reputation
114kreached
17answers
9questions
Github Skills (97)
dashboard10
maven-plugin10
gradle-plugin10
monitoring10
jackson10
mysql10
binding10
gson10
annotate9
data-visualization9
json-schema9
grafana9
influxdb9
elasticsearch9
visualization9
Programming languages (7)
Github contributions (5)
PrawoPolskie/toakoma
Mar 2017 - Nov 2017
Contributions:221 pushes, 1 branch in 8 months
systemincloud/sic-examples
Jan 2015 - Mar 2017
Contributions:175 pushes, 12 tags, 15 issues in 2 years 2 months
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