Hire the Best Elasticsearch Developers
in France

I'm Linux DevOps and Cloud architect since 2002. Most of my professional career is with design, setup and DevOps of medium and high loaded web farms, NoSQL databases which are time-critical and require 24/7/365 uptime. During the last several years, I'm concentrated on architect & administration of Hadoop ecosystem, Big-Data systems (Cassandra, ElasticSearch, Riak ...) and distributed storage Ceph. I have big experience with a variety of web servers and load balancers (Apache, Nginx, HAProxy, Tomcat, Jetty etc .. ) as well as with cloud services such as AWS, Azure and GCP.

Hi! I'm Sara, a Big Data Engineer with 7+ years of experience in designing and optimizing data pipelines for both cloud-native and traditional environments. 🚀 #What I Offer: ##-Data Pipeline Design & Optimization: Crafting efficient, high-performance data flows. 🔄 ##- Streaming Solutions: Real-time data processing with Apache Kafka. 🌐 ##- Open Source Tools: Expertise in Apache NiFi, Talend, Spark, and more. 🛠️ ##- AI Training Models: Developing and training AI models for smarter solutions. 🤖 ##- Data Formats: Handling XML, JSON, Avro, and others seamlessly. 📊 ##- Programming Languages: Proficient in Python and Java. 💻 ##- Monitoring & Scripting: Comprehensive monitoring to ensure optimal performance. 📈 I blend technical skills with a deep understanding of business needs to deliver solutions that are both robust and aligned with your goals. Whether it's building new data pipelines, optimizing existing ones, or implementing AI models, I'm here to help. Let's turn your data challenges into streamlined, effective solutions. Contact me to discuss your next project! 🌟

Experienced Software Engineer (10+ years) Specialized in Java/Spring development and REST API design. Proficient in cloud-ready architecture, Kubernetes deployment, and CI/CD pipeline setup. Experienced in implementing OAuth2 Single Sign-On (SSO) with Keycloak for secure authentication and authorization in microservices architectures. Technical Skills Backend Development: - Java (8, 11, 17, 21); - Spring Boot, Spring Cloud Config, Spring Cloud Consul, Spring Cloud Vault, Spring Cloud Gateway, Spring Cloud Netflix, Spring Cloud OpenFeign; Spring Security, Spring Data, Spring WebFlux. IAM and Authentication: - Keycloak, Azure AD; - SSO using OAuth2, OIDC, and SAML. Messaging Systems: - Kafka, RabbitMQ. Frontend Development: - Angular. Testing & Quality Assurance: - JUnit, Jupiter, Mockito, Rest Assured; - SonarQube. Architecture & Modeling: - Merise, UML; - RESTful APIs, Event-Driven Architecture, MVC, OOP; - TDD (Test-Driven Development), BDD (Behavior-Driven Development); - Clean Code, SOLID Principles. DevOps: - GitLab, Azure DevOps; - Helm, Ansible, Docker, Docker Compose; - Kubernetes (Kubeadm, Ingress Controller, Cert Manager); - Let's Encrypt, Cloudflare; - Reverse Proxies: Traefik, HAProxy, NGINX. Observability & Logging Tools: - Grafana, OpenTelemetry, Loki and Prometheus; - ELK Stack (Elasticsearch, Logstash, Kibana); - Logback. Operating Systems: - Ubuntu, Debian. Services I Offer 1- REST API Development Build high-performance APIs for modern applications. 2- Service Registry and Discovery Implement Eureka or HashiCorp Consul for microservice communication. 3- Centralized Configuration Management Configure HashiCorp Consul or Spring Cloud Config Server. 4- Authentication and Security Set up authentication systems using Spring Security. Implement SSO via OAuth2 with Identity Providers (Keycloak, Azure AD). 5- Messaging Systems Establish message bus communication using Kafka or RabbitMQ. 6- Spring Boot and Spring Cloud Applications Develop robust, cloud-native applications using Spring frameworks. 7- API Gateway Development Create API gateways for routing and securing API traffic using Spring Cloud Gateway. 8- Observability and Monitoring Setup Design and implement end-to-end observability solutions. Integrate Grafana, Prometheus, Loki, and OpenTelemetry to collect, visualize, and analyze metrics, logs, and traces for proactive application monitoring and performance tuning. …and more!

Natural problem solver with a Master of International Business and 15+ years of multidisciplinary experience in roles such as Corporate Banker, Logistics Manager, and Software Developer. Self-taught developer turned professional, currently working for a fintech company in Japan. **Programming Skills:** Proficient in backend development, asynchronous and distributed systems, APIs, performance optimization, data pipelines, and automation scripts. Technologies include Python, Scala, TypeScript, Rust, Ruby, and Go. Also experienced in full-stack development, crafting functional, classic UIs for web applications and scripts. **Infrastructure Expertise:** Experienced in Kubernetes cluster creation and administration, Docker Compose, Docker optimized builds, and CI/CD workflows using GitHub Actions, CircleCI, and ArgoCD. Proficient with Terraform, Ansible, and virtual machine setup. **Cloud Technologies:** Skilled in the setup and management of cloud environments on AWS, Google Cloud, Digital Ocean, Scaleway, and various VPS platforms. **Storage Solutions:** Implementation and optimization of distributed storage, object storage, and performance volumes. Technologies include MinIO, Rook/Ceph, Longhorn, OpenEBS, TrueNas, and JuiceFS. **Database Technologies:** Extensive experience with PostgreSQL, Cassandra, ScyllaDB, DynamoDB, Redis, MySQL, and SQLite, including configuration, management, and automated backups. **Monitoring Technologies:** Setup and maintenance of logs, tracing, and metrics using Fluentbit, Grafana Agent/Alloy, Vector, Victoria Metrics/Logs, Grafana, Graylog, Loki, Mymir, Datadog, and Jaeger. **Consulting/Mentoring:** Guidance on technology choices, security, architecture, resource requirements, and cost optimization.