Ivan Majnarić
Kafka PS at Lenses.io
Croatia
Summary
👤
Senior🎓
Top SchoolIvan Majnarić is a Kafka-focused platform engineer with 15 years of experience building and operating large-scale streaming and data platforms across cloud and on-prem Kubernetes environments. He has led Kafka architecture, security, monitoring, and automation efforts at companies like Celonis, Telenet and Booking.com, and now consults as Kafka PS at Lenses.io, combining deep operational expertise with platform design. Ivan is skilled in Strimzi/Confluent stacks, Kerberos/SASL, Kubernetes (including OpenShift), and observability tooling such as Prometheus, Grafana and ELK, and has hands-on history with data stacks like Cassandra, Hadoop and Cloudera. An active contributor to the CakePHP project documentation and core repository, he brings meticulous attention to detail and a proven habit of improving code quality and developer experience. Colleagues describe him as an "IT sailor"—comfortable steering complex, fault-tolerant systems through constant change and real-world constraints.
15 years of coding experience
4 years of employment as a software developer
Master's degree, Databases and Base Knowledge, Master's degree, Databases and Base Knowledge at Faculty of Organization and Informatics
English
Github Skills (14)
web-framework10
mvc10
cakephp10
php10
validation10
validations10
documentation10
internationalization9
orm8
configurations8
configuration-management8
collections8
phpunit8
configuration-file8
Programming languages (2)
Github contributions (5)
cakephp/cakephp
May 2011 - Sep 2015
CakePHP: The Rapid Development Framework for PHP - Official Repository
Role in this project:
Back-end Developer
Back-end DeveloperContributions:59 commits, 2 PRs, 3 comments in 4 years 4 months
Contributions summary:Ivan primarily contributed to bug fixes and minor enhancements within the CakePHP framework. Their work focused on correcting error messages, resolving typos, and addressing inconsistencies in exception handling. The user's commits also included refactoring and optimizing existing code, such as database session management and improving the codebase to align with best practices. These changes demonstrate a focus on code quality and improving the framework's robustness.
php-frameworkormform-buildervalidationpsr-7
cakephp/docs
Nov 2015 - Nov 2015
CakePHP CookBook
Role in this project:Technical Writer
Technical WriterContributions:1 PR in 1 day
Contributions summary:Ivan primarily contributed to the documentation of the CakePHP framework. Their work involved correcting examples, fixing typos, improving clarity, and updating outdated information related to various aspects of the framework, including error handling, configuration, validation, collections, and internationalization. Furthermore, they removed obsolete configuration settings and enhanced documentation regarding model updates. The commits demonstrate a focus on improving the accuracy, completeness, and user-friendliness of the documentation.
phpcookbookcakephp
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.