rachid chreif

Senior Big Data Engineer | Data Architecture

Salary / Daily rate

Paris, France

Freelance

Can come onsite

Skills

Big DataAWSHTMLBootstrapC#JavaSpring BootAngularPostgreSQLJenkinsETLMongoDBDockerGraphQLAzureData MiningData VisualizationData EngineeringData ScienceCSSScalaLinuxElasticsearchKubernetesJiraGitHub

Languages

English

About me

Intro

Big Data Engineer with 14+ years of experience designing scalable architectures and resolving complex data challenges. Successfully implemented retry policies, diagnosed memory leaks, and migrated systems from SQL to NoSQL databases. Specialized in performance tuning, data integrity, and building robust pipelines across AWS, Hadoop, and Kubernetes environments.

Links

Work experience

Big Data Engineer

ONEcount by GCN Media

Apr 2022 - Present

4 years 7 months

United States

- Identifying and resolving long-term issues (Implementing many retry policies, diagnosing and resolving memory leaks). - Add new features. - Designing and implementing data architectures.

Senior Software Engineer

Synergix LabsFreelance

Jan 2018 - Jan 2022

4 years 1 month

New Jersey, United States

- C#/.NET Core/SAAS/Azure/ATS/CosmosDB/Web/API - Migration from SQL to NoSQL (MongoDB) - ETL : - Data Extraction: AD Objects, Events, Windows Inventories --> Endpoints - Data cleanings, Enrichments, Integration -->Endpoints - Data Load: Azure ATS, CosmosDB --> Web API - Build of Drivers and connectors (Translate LDAP native queries to MongoDB queries) - ABAC

Freelance Software Engineer

Hypi.Freelance

Jan 2021 - Jan 2021

1 month

Build serverless applications and API services Java8+/Spring boot/GraphQL/pulsar/apache solr/docker/

Freelance Software Engineer

FortifyDataFreelance

Jan 2019 - Jan 2019

1 month

- Integration of new opensource projects to the platform (gophish) - Spring Boot, Angular, Linux

Elastic search expert

Genie IT SolutionsFreelance

Jan 2017 - Jan 2018

1 year 1 month

Norway · Remote

Elastic search expert. PostgreSQL to Elastic search synchronization.

Freelance Software Engineer

Business SystemsFreelance

Jan 2016 - Jan 2017

1 year 1 month

London, UK

- Migration from SQL Server to MongoDB (source of truth) + elastic search - Ingesting 20M call records for MongoDB - Indexing strategies for inserting and retention services - Best practices for replication - Sync to Elasticsearch using Monsatch open source project : - Indexing templates -Best ES configurations (yearly index pipelines,)

Software Engineer

NEW TECH. SOLUTIONS

Jan 2010 - Jan 2015

5 years 1 month

Mar Mikhael Bnabil, Lebanon

Skills: Jenkins · Java Enterprise Architecture · Troubleshooting · Computer Engineering · PostgreSQL · Developments · Software Development · English · SQL · MongoDB · C# · Java · Linux · Computer Science · Unit Testing · Agile Methodologies

Software Developer

École des Mines de Saint-Étienne

Jan 2009 - Jan 2009

1 month

13120 Gardanne, France

Software Developer

GHANNI

Jan 2008 - Jan 2008

1 month

Lyon, France

Skills: Software Industry · Software Design · Web Engineering · Software Infrastructure · Engineering


Education

Polytech Clermont

Engineer's degree

2003 - 2007

4 years 1 month

Université Claude Bernard Lyon 1

2002 - 2004

2 years 1 month

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