Mika Naylor
Germany
Summary
🤩
RockstarMika Naylor is a pragmatic backend engineer and DevOps-focused contributor with 11 years of experience based in the Berlin area, known for improving performance and developer experience in large open-source projects. They’ve shipped SQL engine fixes and features for CrateDB—addressing SELECT semantics, error messaging, casting, and table lifecycle—while also speeding up Apache Flink builds and E2E tests by introducing artifact and Docker caching. Comfortable operating at the intersection of database internals and CI/CD tooling, Mika blends careful refactors with practical infrastructure optimizations. A multilingual collaborator (evident in their French GitHub note) who favors subtle, impactful improvements, they bring reliability and incremental engineering discipline to complex distributed systems.
11 years of coding experience
Stackoverflow
11reputation
148reached
2answers
0questions
Github Skills (29)
e2e-testing10
docker10
admin10
e2e-test10
testing10
bash10
database-administration10
dockers10
java10
cicd10
javas10
sql10
backend10
apache-flink9
sql-parser9
Programming languages (20)
Github contributions (5)
crate/crate
Sep 2016 - Dec 2020
CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 releases, 9 reviews, 182 commits in 4 years 4 months
Contributions summary:Mika primarily contributed to the back-end functionality of CrateDB, focusing on SQL query support. Their work involved implementing support for `SELECT` queries without a `FROM` clause, enhancing the error messages related to distinct functions, and fixing issues related to handling casted values in queries. Additionally, the user refactored operation checking and implemented features related to closing and opening tables.
cratedblucenepostgresqlsql-databasesql
apache/flink
Mar 2021 - Mar 2022
Apache Flink
Role in this project:DevOps Engineer
DevOps EngineerContributions:109 reviews, 15 commits, 41 PRs in 1 year
Contributions summary:Mika's contributions primarily involved improving the build and testing infrastructure of the Apache Flink project. This includes the predownloading and caching of test artifacts to reduce build times, as well as caching Docker images to speed up E2E tests. The user also updated test scripts to handle environment variables more robustly. Their work focused on optimizing the E2E testing process and improving the overall developer experience by reducing build and test execution times.
apache-flinkscalajavabig-dataflink
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