Abdullah Gökmen

Software Engineer

Building scalable backend systems & cross-platform applications

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About Me

• Currently working at the Turkish Ministry of Health, contributing to systems serving 85M+ users
• Focused on backend architecture, microservices, and DevOps practices
• Experienced in building production-grade mobile & web applications
• Backend works and some projects are not shown for security reasons and client requirements

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Tech Stack

Backend

Frontend & Mobile

DevOps & Tools

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Projects

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Open source

Merged contributions I actually landed:

Project	PR
github-checks-plugin	Document which commit a GitHub check is published against #333
pinot	add RELEASE_POLICY.md #11642
flow	note refreshAll after TreeData mutations #19327
Apache Gravitino	[#13041] fix(server): Add @ResponseMetered to JobOperations#cancelJob
flutter-maplibre-gl	explain local sprites and glyphs via file:// #338
clickhouse-kafka-connect	convert DESIGN.md diagrams to text #712
openaev	document openaev.agent-url
security	Document demo installer password checks vs REST API settings #4081
docs	guide for single-arch Android APKs (shorebirdtech/shorebird#3402)
frostwire/frostwire	[android] Show disk-full error when a cloud download cannot be moved...
openHAB	[network] Align allowSystemPings docs with MainUI #20128
Apache Gravitino	[#8309] docs: replace deprecated apt-key in how-to-build.md
PMD	[doc] Fix #2527: restore CPD tiling article link
picocli	[doc] Drop the dead hawkeye example
maven-deploy-plugin	[MDEPLOY-315] Clarify deploy without a local distributionManagement
PMD	[java] Fix #6965: AbstractClassWithoutAnyMethod false positive on der...
openrocket/openrocket	[#2813] Clarify git workflow, atomic commits, and GPG in CONTRIBUTING
openhab-addons	[dmx] Document Color and Tunable White things #21085
openhab-addons	[tesla] Link README to official Fleet API docs #15759
openhab-addons	[smartthings] Add sidebar entries to documentation #21290
openhab-addons	[shelly] Add sidebar entries to documentation #21290
openhab-addons	[lutron] Add sidebar entries to documentation #21290
openhab-addons	[linky] Add sidebar entries to documentation #21290
openhab-addons	[unifi] Add sidebar entries to documentation #21290
app-finance	add integration tests to the quality gates chapter [#260]
flow	Mention ThemableMixin requirement on CssImport themeFor #19067
spring-cloud-zookeeper	Fix ACL authentication docs #239
very_good_cli	resolve dart coverage package_config in pub workspaces
sqlite-jdbc	document default compiled SQLite extensions
databuff	add alert rule configuration example #11
EDDI	add Javadoc to config store interfaces #545
plantuml/plantuml	add native image build steps to BUILDING.md
flow	Add usage notes and MDN links to HTML components #21749
FROST-Server	how to protect DatabaseStatus #93
kt.dart	document dartx for dart:core extensions #187
droidVNC-NG	show default Max. reconnect tries #275
docs	Document OIDC_LOGIN_BUTTON_TEXT on the frontend
cowrie/cowrie	accept grep -m max-count
tracing	Remove Brave Zipkin dependency warning from reporters docs #509
VulnerableApp	add Portuguese-BR README under Locale
kv4p-ht	Add developer clone-and-build outline to the root README #445
pflag	Keep wrapping after an unbreakable usage word
spoon	cover CtPackage.setShadow #1818
Essential-Commands	document nickname text styling #287
PhotonVision/photonvision	add Python photonlib snippets and fix code tabs #1914
OpenNutriTracker	name every contact in What leaves your device #989
webforj/webforj	static-import Mockito.mock #1571
plantuml/plantuml	Document missing Javadoc @param tags #2629
webforj/webforj	static-import Mockito.mock #1572
fdb-record-layer	document online index building
git-machete-intellij-plugin	Rename *TestSuite test classes to *Test #1546
webforj/webforj	extract nested Page mock in DesktopNotificationTest #1573
flutter-permission-handler	clarify which Info.plist key to delete #1013
webforj/webforj	extract nested mocks in webforj-devtools #1574
webforj/webforj	extract nested mocks in foundation tests #1575
nexus	X oturumu, konuşma bağlamı ve hesap analizi geliştirildi
git-machete-intellij-plugin	reuse frontend SVG icons in features.md #865
fdb-record-layer	Warn that setThreadsPerClientVersion needs an external client
hiero-sdk-java	fix gossipped typo in TopicMessageSubmitTransaction
webforj/webforj	extract nested SessionCookieConfig mock #1576
solrwayback	Extend Solr docs for separate installs, allowPaths, and collection-id...
webforj/webforj	extract nested WatchSession mocks #1577
quarkus-langchain4j	clarify Ollama enabled, integration, and logging
FROST-Server	Install uuid-ossp in docker-compose for STRING/UUID ids #308
flow	Clarify Binder bind(String) does not add BeanValidator #19423
webforj/webforj	align DateTimeField and TimeField with minute-based format #1497
spoon	document SpoonObjectTableModel#scanFields #1876
license-maven-plugin	Skip null dependency trail when excluding transitives #310
slf4j	Pin fluent API caller method name in CallerInfoTest
flow	document ComponentEvent.getSource as the listener component #19850
NullAway	Write the full encoded byte array when serializing TSV/XML rows #1788
pf4j/pf4j	Document PluginManager.getExtensions instantiation #293
flow	Clarify Menu javadoc so Hilla is a secondary note #21242
fdb-record-layer	Document SQL support in the FAQ
snowstorm	add UK Edition loading tips #651
databuff	add Python OTLP integration quick-start guide #27
subversion-plugin	Document that included/excluded region regexes match the full path #1431
nexus	empty window is not a selector miss
flow	Improve AppShellConfigurator annotation error details (vaadin/hilla#231)
TornadoVM	add class-level Javadoc to examples #35
camel-quarkus	Document Twitter native locale requirements #2564
valkey-glide	move protobuf encode/decode tests to internals #3947
NullAway	Document MethodRef overload signatures in the sample library model #1016
cucumber-expressions	Add a README to the .NET NuGet package #312
Linthra	add AppStream metainfo for software centres #435
a2a-java	link Javadoc from the README #287
openrouteservice	document csv extra info #1974
serverpod_docs	Add Google and Apple IDP admin operations pages
frankframework/frankframework	Document metrics export options in AppConstants
flutter_file_picker	Relax file_picker_linux dbus to ^0.7.13
sqlite-jdbc	support automatic_index and cache_spill pragmas
philter	Fix curl Content-Type header in filter policies docs #91
lsp4ij	sample for registering a custom LSP client command #553
lsp4ij	update rust-analyzer semantic tokens section #1302
smooth_sheets	add a README link to navigator_resizable
maven-enforcer	Add tests for requireJavaVersion five-part JDK strings #980
mdn/browser-compat-data	Mark api.HTMLAllCollection as deprecated
spoon	add missing Javadoc tags to ProcessingManager #3923
gctoolkit	Add class Javadoc for public event summary types #264
conpot	set FakeSession.maxtimeout before pyghmi _initsession
plantuml/plantuml	add how to update alphadoc #2420
pinot-docs	document broker FailureDetector #13502
capacitor-plugins	keep datetime format default from rendering as a flag #157
maven-ear-plugin	Avoid NPE in isArtifactRegistered when module artifact is null #519
mc-image-helper	say when a mod page URL is given to install-curseforge #685
maven-assembly-plugin	Drop the Maven 2.0 qualifier from the multimodule package-phase note...
citrus	note that validation processors replace default validators
maven-invoker-plugin	Document how to use a JVM debugger with invoker ITs #708
maven-jar-plugin	Document that skipIfEmpty wins over forceCreation
melos	only report success when dart pub exits 0
maven-surefire	Fix #3303: distinguish JUnit 6 ParameterizedClass invocations
maven-remote-resources-plugin	Fail clearly when configureLocator has no project POM #275
jackson-databind	Document that CacheProvider must return new cache instances
lottie-flutter	avoid CanvasKit stack overflow on animated trim paths #411
maven-enforcer	RequireFilesExist should accept a file reached through
jsoup	Add Elements.before(Node) and after/prepend/append(Node) #953
Feign	Skip bridge methods in contract parsing and map them for dispatch
retrofit.dart	serialize FlutterCompute @Body via toJson
mdn/browser-compat-data	Add css.types.color.from_currentcolor for relative color origin
form_builder_extra_fields	add a visual example gallery for extra fields #21
flutter_file_picker	Relax file_picker_linux dbus to ^0.7.13
melos	honor PUB_CACHE when generating IDE files
content	Remove incorrect private+no-store guidance from HTTP caching guide
retrofit.dart	detect generated toJson on Freezed models
mdn/browser-compat-data	VideoFrame.copyTo.format_property
Lithos UI	Toggle coverage for #124
freeCodeCamp	stray article in Toggle Text App

Open pull requests:

Project	PR
bsl-language-server	Document PairingBrokenTransaction early rollback on the diagnostic pa...
arrow-java	[Java] Add TimeStamp*TZ support to ComplexCopier
camel-quarkus	Document Camel Quarkus build items #2900
eventmesh-site	[ISSUE apache/eventmesh#4651] [Doc] Add WeChat connector documentation
Apache Gravitino	[#12492] docs: document jdbc.options for PostgreSQL plan_cache_mode
logging-log4j2	Honor spring.cloud.config.watch.enabled on Log4j2EventListener
maven-acr-plugin	Document Main-Class in the Application Client FAQ #61
maven-ejb-plugin	Fail when the EJB source directory cannot be created #195
maven-help-plugin	Do not let effective-pom encoding fall back to null
maven-shade-plugin	Write an empty relativePath on dependency-reduced-pom.xml
polaris	expand GCS production configuration for sysadmins
seatunnel	[Fix][Zeta] Bound observability edge-override warning cache #12225
apicurio-registry	Remove unchecked generic varargs warning in unionOf #8905
java-client	clarify fingerPrint id is enrolled emulator id
docs	[amplify-libraries][Flutter] Document copyWithModelFieldValues for nu...
flutter_cache_manager	Await store.putFile so cache info is persisted #492
BetonQuest/BetonQuest	consistent notify keyword on counting objectives #3967
buildfarm/buildfarm	Document server cache max-entries sizing
eclipse-cs	Issue #101: map LeftCurly LAMBDA to brace_position_for_lambda_body
mobile-app	show error widget when content fails to load #84
recaf-site	add scripting examples for common reverse-engineering tasks (Col-E/Re...
schema-registry	pretty-print schema JSON with jq
aibolit	#696: replace huge Java fixtures with inline examples
cucumber-expressions	Document Python usage in the package README #311
native	[jnigen] Expose editable documentation on the visitor API #3496
tools	[pubspec_parse] Add README usage examples #1807
tzatziki	Handle Kafka tombstone records in topic assertions #564
deephaven-core	add Raises descriptions for autocomplete #6164
DSpace/DSpace	Fix haveNA to honor additional handle prefixes #11449
ditto	Document PUT create for connections #1746
glassfish	update obsolete HK2 APIs in add-on guide #25008
hawkbit	document DDI controller attribute length limits #1083
jkube	clarify oc:build defaults to cluster S2I #1528
openvsx	Document how to configure mirror mode
rdf4j	document gzip uploads on the Workbench add page
apm-agent-java	Log an error when activating a nested transaction #850
esapi-java-legacy	Clean up obsolete ESAPI 1.4 comments in config files #474
exist	[doc] Document recursive xmldb:create-collection() #3869
bloc	document testing initial events #4229
devtools	Clarify Diff Snapshots Freed column is per class #8837
frankframework/frankframework	Clarify getInputFromSessionKey missing-key exception #11377
gauge-java	Add gauge_javac_args so javac can emit debug symbols #188
openrouteservice	document fastisochrones preparation options
gleec-wallet	Document custom KDF commit builds #3290
grimmory-docs	Clarify Bookdrop NFS/SMB watch limits (grimmory#485)
hapi-fhir	add 2026 changelog section #5034
tuxguitar	Export beat text in MusicXML
hibernate-reactive	Add test for @NotFound annotation #1277
hivemq-mqtt-client	explain how to stop automatic reconnect #735
fl_chart	Remove leftover axisTitleData from chart docs #1201
rohd	add ExternalSystemVerilogModule example to user guide #568
rohd-hcl	add DataPortInterface usage example #192
jcabi-github	Add created_at and updated_at to MkCommit #1147
lockable-resources-plugin	Document early unlock via LockableResourcesManager #164
Essential-Commands	clarify nickname style perms apply to the target #44
dinosaur-exploder	return defaults after repairing malformed settings
build_verify	Add optional clean before expectBuildClean #22
kroxylicious/kroxylicious	use clusterDefinitions instead of targetCluster #4277
fvm	use POSIX wrappers when rerouting flutter and dart #782
armeria	Document the OAuth 2.0 client #5636
mage	Fix NPE when creature type choice is missing #14392
flutter-maplibre-gl	explain how to load a local mbtiles file #318
injectable	Add constructorCallback to generated micro package init
gtfs-validator	clarify feed and agency language codes use BCP 47 #1987
mobx.dart	document when and asyncWhen options #249
Gym	document gym env prefetch CLI #2937
eo	#7988: name the missing map key in the error
apache-kafka-connect-docker	scrape Connect JMX with Prometheus #65
opencast/opencast	Handle null properties in service registry updated() #1174
openHAB	[velbus] Show Thing properties in the full example #15896
engine	Point Administrator Help and homepage links at the docs site #181
openremote/openremote	Show client secret length on the interconnect form #1365
k-NN	Fix flaky testBuildFromModelTemplate CheckIndex mock #2257
sql	add Calcite settings examples #4806
pf4j/pf4j	Document when PluginManager.unloadPlugin returns false #291
sidekick	Show a warning when sidekick init would downgrade the CLI #163
java-cfenv	Document IBM Cloud RabbitMQ bindings #69
testcontainers-spring-boot	compare this project with official Testcontainers #1224
PMD	[java] ExhaustiveSwitchHasDefault: list missing cases in the violation
powsybl-core	Reject null DataSource in Importers.importData
pypowsybl	Add a user-guide page for the PowSyBl configuration file #284
quarkus-langchain4j	distinguish document store from embedding store #1372
reactor-core	[doc] Align scan marble diagrams with initial value #4042
robolectric/robolectric	Include post stack traces when tests fail with unexecuted runnables #...
rstudio/rstudio	debugSource error when keep.source is FALSE #12375
dart_mappable	document implements and mixins for polymorphism #251
flutter-quill	Fix crash when long-pressing text after removing a link #2271
logger	add FileOutput date-based example #56
spring-cloud-bus	Document RabbitMQ exclusive queue locator #249
spring-cloud-netflix	Document production ready endpoints #2048
tut-spring-security-and-angular-js	Add a mocked JWT test for the resource server #23
Spring AI	Normalize advisor observation contextual names
StarRocks/starrocks	[Doc] Skip write-triggered auto-refresh for MVs that will not self-he...
testcontainers-java	document JNA tmpdir when /tmp is noexec
trino-gateway	Replace deprecated MBeanExporter.unexportAll #864
flow-components	document TreeGrid.getDataProvider without list/lazy views (vaadin/flo...
vyuh_node_flow	layering panel example for node stacking #10
webforj/webforj	use assertDoesNotThrow in component tests #1570
xrpl4j	cover all TrustLine flags in AccountLinesResultJsonTests #621
yacy_search_server	Show git commit on Console Status and in the release README #466
aiworkdeck	restructure docs/ for contributors #15
meshcore-open	add web client and self-host notes to README #325

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GitHub Stats

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