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Youssef El GamraniYE

Youssef El Gamrani

Senior Full-Stack Java/React Engineer

€450/day
Casablanca, MA
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Youssef

With over 8 years of experience in software engineering, I help companies design and develop robust, scalable, and secure digital platforms. I specialize in full-stack development, cloud architecture, and microservices.

🔷 What I do best

· Backend & API Development: Java (8/11/17/21), Spring Boot, REST & SOAP APIs, event-driven systems with Kafka/RabbitMQ, Node.js, Python
· Cloud & Infrastructure: AWS (ECS, EKS, Lambda, S3), Azure, GCP — design of scalable architectures and cloud cost optimization
· Data & Integration: PostgreSQL, MongoDB, DynamoDB, Redis, Snowflake — ETL pipelines with AWS Glue & Step Functions
· Frontend: React, Angular, Vue.js for integrated full-stack deliveries
· DevOps & Automation: Docker, Kubernetes, Terraform, Jenkins, GitLab CI/CD
· Software Quality: TDD, clean code, SOLID principles, code reviews

🔷 My added value for your project

· I translate complex business needs into effective technical solutions
· I bring concrete expertise in modernizing legacy systems towards cloud and microservices
· I reduced cloud infrastructure costs by 30% at TripAdvisor through optimization of reserved instances and auto-scaling
· I ensure quality, performance, and scalability through testing, CI/CD, and best practices
· I collaborate in Agile mode with product, data, and business teams

✅ If you are looking for a senior engineer capable of designing the architecture AND delivering production-ready code, I would be delighted to discuss it. Let's build your next high-performing platform together.
  • English

    Native or bilingual

  • French

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • United States of America l Remote
    TripAdvisor
    HOSPITALITY
    January 2023 - October 2025 (2 years and 9 months)
    Boston, United States
    CONTEXT :
    Designed and managed AWS cloud infrastructure for B2B CRM and notification
    systems, integrating HubSpot and other external services using AWS Lambda, ECS, EC2,
    VPC, and API Gateway to ensure secure and scalable cloud environments.
    Contributed to an ETL project utilizing AWS Glue and Step Functions.
    ROLE / ACTIVITIES :
    Cloud Infrastructure Design and Optimization
    Automation with Infrastructure-as-Code (IaC)
    Collaboration with Data Engineering Teams
    Cloud-Native Development
    Kafka Integration for Event-Driven Architectures
    Performance Monitoring and Optimization
    Continuous Integration and Deployment (CI/CD)
    Cost Optimization using Reserved Instances, Auto Scaling, and Spot Instances
    AWS Security Best Practices: IAM, KMS, Security Groups
    Incident Analysis and Troubleshooting
    Multi-environment Deployment (Sandbox, Preprod, Prod)
    Cloud Migration and Hybrid Solutions Architecture
    TECHNICAL ENVIRONMENT :
    Back End: Java 11/17/21, Spring, Node.js, Express.js, Python
    Cloud Computing: AWS (ECS, EC2, EKS, Fargate, Lambda, VPC, API Gateway,
    CloudFormation)
    ETL: AWS Glue, Step Functions
    Automation & IaC: Terraform, Jenkins, GitLab CI, CloudFormation, CDK
    Event-Driven Architecture: Kafka, RabbitMQ, EventBridge
    Performance Monitoring: AWS CloudWatch, CloudTrail, X-Ray
    Databases: DynamoDB, Redis, PostgreSQL, Snowflake, Aurora, S3
    DevOps Tools: Docker, Kubernetes, Jenkins, SonarQube, GitLab CI
    Monitoring & Security Tools: AWS CloudWatch, AWS Config, CloudTrail, GuardDuty,
    AWS Budgets, Cost Explorer
    Methodologies: Scrum (Daily Standups, Sprint Planning, Retrospective, Backlog
    Refinement)
    Software Craftsmanship: TDD, Pair Programming, SOLID Principles, Code Review,
    Refactoring, YAGNI, DRY
    Collaboration Tools: Jira, GitLab, Slack
    IDEs: IntelliJ IDEA, Visual Studio Code
    Java Node.js Amazon Web Services Spring Boot Kubernetes
  • Carrefour France l Remote
    Cloud Engineer
    E-COMMERCE
    January 2020 - January 2023 (3 years)
    Lyon, France
    Requirements analysis for cloud-based solutions. Design and development of REST and SOAP APIs deployed in AWS environments using API Gateway and Lambda. Cloud-native front-end development for web applications using AWS S3 and CloudFront. Design and development of event-driven architectures using AWS services and Kafka Producers and Consumers. Implementing and launching performance tests on AWS infrastructure, with analysis of results and cloud resource optimization. Code review and adherence to AWS best practices for secure, scalable, and efficient cloud environments. Continuous improvement of the technical stack, focusing on cloud infrastructure and microservices. Incident analysis and troubleshooting within AWS environments using CloudWatch and CloudTrail. Writing unit tests, container tests, and functional test cases to ensure the reliability of cloud services. Deployment across various AWS environments, from Feat to Prod, using Infrastructure as-Code (IaC) tools such as CloudFormation and Terraform. Active participation in Three Amigos sessions to ensure requirements alignment across development and cloud architecture.
    Java Node.js TypeScript Apache Kafka Kubernetes
  • Societe Generale Bank
    Software Engineer
    BANKING AND INSURANCE
    January 2018 - January 2020 (2 years)
    Casablanca, Morocco
    Participated in a project to implement an electronic banking solution dedicated to Trade Finance for corporate clients of Société Générale. Participated in a project to develop a Web application enabling users of clients to access the bank's corporate solutions through single sign-on (SSO). Participated in a transactions management system.
    Java Spring Boot React.js Kubernetes Node.js

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Education

  • Software Engineer
    National School of Applied Sciences (ENSA)
    2017
    Software Engineer
  • Baccalaureate
    Lycée Al
    2012
    Baccalaureate

Skill set

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