Malek L

Software engineer

Nov 2023 - Present • 2 yrs 11 mos

- Designed and implemented scalable RESTful APIs using Spring Boot 3, Spring MVC, Spring Security, Hibernate/JPA and PostgreSQL, leveraging Flyway for database migrations, MapStruct for DTO mapping and Jackson for data serialization, optimized application performance through advanced JPA queries, pagination, caching,transactions and asynchronous processing. - Ensured software quality by unit, integration and API testing using JUnit 5, MockMvc and Spring Boot Test. - Contributed to designing event-driven microservices using RabbitMQ and Apache Camel to process real-time IoT devices telemetry data, enabling loosely coupled distributed systems, implementing architecture patterns including API Gateway, Database-per-Service, Saga Pattern, Circuit Breaker, Retry, Bulkhead and Service Discovery to improve scalability and resilience. - Developed frontend components in ReactJS and TypeScript, leveraging Functional Components, React Hooks and strongly-typed, reusable component architecture. Built WebSocket-driven dashboards enabling live operational visibility and real-time user experience. - Contributed to CI/CD and DevOps initiatives using Jenkins, GitLab CI, Docker, Kubernetes, Harbor and ArgoCD, automating build, testing, deployment and used observability solutions Grafana including centralized logging, distributed tracing, health monitoring, metrics collection and Kubernetes-native monitoring to support production operations. -Managed source code using Git, participating in peer code reviews to maintain coding best practices and architectural consistency.

Software engineer

Feb 2023 - May 2023 • 3 mos

- Designed and implemented a scalable backend based on microservices using NestJS (TypeScript) and MongoDB, integrating services through RabbitMQ for asynchronous, event-driven communication, designed and exposed machine learning functionalities as RESTful services in Python, enabling real-time product recognition and integration with external systems.

Software engineer

Jun 2022 - Aug 2022 • 2 mos

Developed a Scrum-based task and time tracking web application using a NestJS backend (GraphQL API with MongoDB) and a ReactJS frontend featuring reusable components, custom hooks and structured state management.