10/29/2025 updated

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100 % available

Senior Java Software Engineer

Hilversum, Netherlands
Only remote
Bachelor of built environment
Hilversum, Netherlands
Only remote
Bachelor of built environment

Profile attachments

CV Hakan Altindag.pdf

Java (Programming Language)JavaScriptAmazon Web ServicesAutomationMicrosoft AzureGoogle BigQueryDatabasesContinuous IntegrationData ModelingDevOpsE-CommerceElasticsearchGitHubGradleHibernateSpring FrameworkApache MavenMongoDBQuery OptimizationQueueing SystemsScalaSystems IntegrationTypeScriptGoogle CloudEnterprise Application PlatformCloud Platform SystemSpring BootGitLabKotlinContainerizationAngularJSKubernetesFull Stack DevelopmentReal Time DataApache KafkaSearch EnginesFront End Software DevelopmentApi DesignElastic KibanaRestful ApiApache BeamDockerJenkinsMicroservices
Java Development
Extensive experience with Java 8, 11, 17, and 21 including Spring Framework, Spring Boot, and Hibernate for enterprise application development

Search Engine Technologies
Deep expertise in Elasticsearch, Kibana, and search-as-a-service implementations for e-commerce and enterprise applications

Cloud Platform Engineering
Proficient in AWS, Microsoft Azure, Google Cloud Platform, and containerization technologies like Docker and Kubernetes

API Development
REST API design and implementation with experience in microservices architecture and third-party integrations

DevOps and CI/CD
Jenkins, GitLab, GitHub, Maven, Gradle for automated build and deployment pipelines

Database Technologies
MongoDB, BigQuery experience with data modeling and query optimization

Frontend Technologies
Angular, TypeScript, and modern JavaScript frameworks for full-stack development

Message Queue Systems
Apache Kafka, Apache Beam for real-time data processing and event-driven architectures

Experience

Professional experience10+ years
Freelancer since2020

Languages

EnglishFluentDutchNative speakerTurkishNative speaker

Project history

Java and Golang Engineer

IKEA through Thunderberry
Responsible for improving inventory management and reports. Project: Global Inventory Service. Tooling: Java 17, Quarkus, Go, Gradle, GCP, AI Code Assistant, Kubernetes, Docker, Git, GitHub, PubSub, BigQuery, Buckets, Grafana, REST

Freelance Software Engineer

Thunderberry
Freelance Software Engineer

Java Engineer

ING through Thunderberry
Responsible for unify transaction information for reporting. Tooling: Java 11, Spring Boot, Maven, Azure, Kubernetes, Docker, Git, Kibana, Elasticsearch

Java and Search Engineer

Attraqt through Thunderberry
Responsible for improving search engine. Project: Search-as-a-Service for e-commerce. Tooling: Java 8, Spring boot, Elasticsearch, Kibana, Gradle, Kubernetes, Docker, Helm Chart, Git, gRPC, Kotlin, Groovy, REST, Cucumber, SonarQube

Search Engineer

Ivo Rechtspraak through Luminis
Responsible for implementation of a search engine. Project: Digital working environment for judges. Tooling: IntelliJ IDEA, Java 11, Spring boot, GraphQL, Elasticsearch, Kibana, Maven, Jenkins, Gitlab, Git, SonarQube

Java and Search Engineer

Luminis
Java and Search Engineer

Java and Search Engineer

KLM through Luminis
Responsible for implementation of a search engine. Project: Mysearch - Internal search engine for KLM employees. Tooling: Java 8, Spring boot, Elasticsearch, Kibana, Maven, MongoDB, Kubernetes, Docker, Bamboo, Git, SonarQube, Crawler, IntelliJ IDEA

Java and Search Engineer

KVK through Luminis
Responsible for implementation of a search engine. Project: Enterprise search kvk.nl. Tooling: IntelliJ IDEA, Java 11, Spring boot, GraphQL, Elasticsearch, Kibana, Maven, Jenkins, Gitlab, SonarQube, Rancher, Rundeck, Docker, Wiremock, Git

Java Software Engineer

ING through Luminis
Responsible for development of an api for third parties. Project: PSD2 implementation for Open Banking. Tooling: IntelliJ IDEA, Java 8, Spring Framework, Jax RS/Jersey, Maven, Jenkins, Gitlab, Nolio, Git, WireMock, Ansible, SonarQube, RedHat servers

Java Software Engineer

NS through Capgemini
Responsible for developing of Front-end en Back-end. Project: NS Journey Planner. Tooling: Eclipse, Java 8, Spring Framework, Maven, Angular 1.5, Gulp, Jetty, SVN, Bamboo, SonarQube, Selenium

Java Software Engineer

Capgemini
Internal LinkedIn look-a-like app for employees. Tooling: Eclipse, Java 8, Spring Framework, MongoDB, Typescript, Ionic, Maven, Git, Bluemix

Java Software Engineer

ING through Capgemini
Responsible for development of a REST API. Project: API for Apple Pay en Google Wallet for ING Netherlands, Spain and Poland. Tooling: Eclipse, Java 8, Spring Framework, Jersey, Maven, GIT, IBM MQ, JMeter, Tomcat, Gitlab, Jenkins, SonarQube, Cucumber

Certificates

Oracle Certified Professional Java 17

Oracle

2024

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