Mario Matar

Propose des services de conseils et implémentation technologiques. De la startups aux scale-ups. - Fractional CTO - Expertise dans le code (Java et Typescript) - Migration cloud, DevSecOps et FinOps. - Audite - Intégration d'ERP.

Architecture and coding streaming apps with Typescript, NestJS, and ReactNative hosting AWS (Lambda, ECS, S3, Dynamo)

Reduce infrastructure costs by 60% through cloud migration

Migration of the infrastructure from GCP to Azure (5 Kubernetes clusters, 5 DBs clusters, ElasticSearch cluster, 40 microservices, etc)

HedgeGuard provides institutional-grade crypto order execution, accounting, and reporting. I led the: • Tech strategy • Architecture that handles millions of trades for our clients (C#/DotNet, Angular, Kotlin) • Modernization • Cloud (OVH to AWS and GCP - multi-cloud - Terrform / Kubernetes) • Cost optimization (DevSecOps) • Managing/Hiring Engineering & Product - Remote team • R&D, Innovation, Run, Delivery, Agile Methodologies, Quality

Typescrpt environement with NestJS AWS

Qovery is the first Container as a Service (CaaS) platform that allows anyone to develop and deploy an application in just a few minutes.

Lead tech for boost start the project: Blockchain apps / Solidity contracts Ethereum mempool watcher and blockchain transaction execution API Data pipelines and performance Infrastructure as code

Consulting on related topics : - Building a product culture, product strategy and roadmap - Best practices for managing development teams to increase productivity - Quality automation solutions - Global data visualization from multiple sources

AI-powered Fact-Checking. Performance optimization, data pipeline API redesign Infrastructure redesign (GCP) CTO Coaching Product strategy

Monbanquet offers a new experience for business catering by empowering the best local food artisans (100+). In 2019, Monbanquet realized more than 4000 events, placing it as the leading caterer in France. To successfully support the scale of the business, Monbanquet's tech is able to manage several dozen deliveries per day and more than 1K proposals per month. In January 2020, Monbanquet joined B2B Food Group, one of the world's leading platforms in the business food sector, active in eight countries. My role included: - Strategy and management of technology and products. - Lead tech, architect, and DevOps. - Manage and hire the tech team with squads (remote developers in multiple countries). - Assess and implement the Sales and customer-facing relation process in Salesforce with real-time backend synchronization. Tech Stack: - Java / Spring Boot / MySQL - Angular (backoffice), React (website) - Kubernetes / AWS / Ansible / Terraform / Gitlab CI - Salesforce

Adtech generates offers for branded products, with the highest conversion rate on the market thanks to artificial intelligence. I worked on data pipelines, performance optimization, high availability, streaming APIs, and monitoring. In an environment with Hadoop, Spark, Kafka, Java/Scala.

# 2015 February - Project in the French Public Health Insurance, with Agile methodologies, consisting of a SOAP web service exposing JBPM workflows. - Tech: JBoss EAPs HA / Red Hat JBPM / CDI / JAXB / Oracle / SOAP / Jenkins / Sonar # 2014 June - 2015 January - Web portals for the Ministry of Agriculture. - Tech: Spring / JSF2 / JPA2 / SOAP / Oracle / Tomcat / Glassfish / Jenkins / Sonar # 2013 April - 2014 May Development of several Electronic Document Management for the Police in the context of dematerializing documents and business processes. - Tech: Spring / JavaScript / Alfresco / Activiti / FreeMarker / REST