Hlel Abdelhedi

Arrow Electronics is an American company specializing in the distribution of electronic components and technology solutions for businesses, ranging from semiconductors to cloud solutions and IT infrastructure; in 2025, its annual revenue amounted to approximately $30.9 billion (about €28.5 billion).

My goal was to develop and integrate a high-volume cloud B2B marketplace, based on an event-driven architecture and integrating APIs from major publishers (Microsoft, Google, etc.).

Team:

1 Lead Dev

5 Backend Developers

2 Frontend Developers

2 QAs

1 PO

My responsibilities:

• Design and development of robust backend services in Node.js / TypeScript

• Implementation of Serverless architectures on AWS (Lambda, Step Functions, SQS, SNS) to orchestrate complex and distributed workflows

• Implementation of infrastructure as code with CloudFormation to ensure reliable and reproducible deployments

• Integration and security of partner APIs (order management, licenses, data synchronization)

• Continuous optimization of cloud environment performance, costs, and security

• Contribution to architectural decisions and DevOps best practices

My results:

• Go-live of the integration of several major publishers, made reliable by a fault-tolerant event-driven architecture

• Significant reduction in cloud costs through optimization of Lambda functions and Step Functions workflows

• Improved deployment reliability and reproducibility thanks to infrastructure as code

• Secured data flows with partner APIs (orders, licenses, data synchronization)

Technical environment:

Node.js, TypeScript, AWS (Lambda, Step Functions, SQS, SNS, EventBridge, DynamoDB, MySQL, S3, EC2, CloudWatch), Athena, OpenSearch, CloudFormation, Serverless, Event-Driven Architecture.

Emeria (formerly Foncia Group) is the European leader in real estate services, specializing in the management of co-ownership properties. The group operates in several European countries through various brands, including Foncia in France, and had a turnover of approximately €1.5 billion in 2025 with over 15,000 employees.

My objective was to contribute to the development of a business management system for the real estate sector, used on a large scale within the IT department.

Team:

1 Lead Dev

5 Fullstack Developers

2 QAs

1 PO

1 Scrum Master

My responsibilities:

• Development of modern and performant interfaces in React / TypeScript with a strong focus on UX and loading time optimization

• Creation of reusable and documented components (Storybook) in a mono-repo environment

• Integration and development of REST APIs in Node.js / NestJS within a microservices architecture

• Implementation of unit, integration, and end-to-end tests (Jest, React Testing Library, Cypress)

• Implementation of asynchronous flows via RabbitMQ

• Participation in the continuous improvement of application quality and performance

• Deployment and ephemeral environments (GitLab CI, Review Apps)

• Monitoring and observability via DataDog

• AWS infrastructure hosting and management (EC2, S3)

My Results:

• Significant improvement in loading times thanks to React interface optimization

• Implementation of a library of reusable and documented components, accelerating the development of new features

• Increased application reliability through a comprehensive testing strategy (unit, integration, end-to-end)

• Better observability and faster incident response thanks to Datadog monitoring

Alliance Automotive Group (AAG) is a European leader in the distribution of spare parts and services for the automotive aftermarket. A subsidiary of Genuine Parts Company (GPC), the group has a turnover of approximately €3.4 billion and employs over 17,000 people across Europe.

My objective was to contribute to the development of a business management system for the real estate sector, used on a large scale within the IT department.

Team:

1 Lead Dev

3 Fullstack Developers

1 QA

1 PO

1 Scrum Master

My responsibilities:

• Development of modern and performant interfaces in React / TypeScript, with a strong focus on UX and loading time optimization

• Creation of reusable and documented components (Storybook) in a mono-repo environment

• Integration and development of REST APIs in Node.js / NestJS within a microservices architecture

• Implementation of unit, integration, and end-to-end tests (Jest, React Testing Library, Cypress)

• Implementation of asynchronous flows via RabbitMQ

• Participation in the continuous improvement of application quality and performance

• Deployment and management of ephemeral environments (GitLab CI, Review Apps)

My Results:

• Significant improvement in loading times thanks to React interface optimization

• Implementation of a library of reusable and documented components, accelerating the development of new features

• Increased application reliability through a comprehensive testing strategy (unit, integration, end-to-end)