Backend Web Developer

Delcom International Ltd. | January 2024 - Present

Developing high-performance, scalable web applications with a focus on backend technologies and cloud services.

• Designed and implemented robust RESTful APIs with JWT authentication and Role-Based Access Control (RBAC).
• Developed and optimized backend architectures using NodeJs, ExpressJs and NestJS, ensuring scalability and security.
• Integrated TypeORM and SQL to enhance database performance, optimize query execution and increase security.
• Implemented Redis caching strategies to improve application performance.
• Applied encryption techniques like bcrypt to enhance security and data protection.
• Implemented automated QA testing workflows using Playwright and Test-Driven Development (TDD), reducing manual testing efforts by 80%.
• Git branching design and workflows.
• Extra: communication with clients/stakeholders to design architecture and planning of software, as well to discuss new feature implementations.

Cloud DevOps / QA Engineer

Delcom International Ltd. | November 2022 - December 2023

Focused on cloud infrastructure management, CI/CD automation, and system optimization.

• Developed and maintained CI/CD pipelines for seamless deployments on GitHub and Bitbucket.
• Managed and optimized cloud resources on Google Cloud Platform, enhancing cost-efficiency and performance.
• Performed advanced system monitoring and diagnostics, implementing solutions for stress and load testing.
• Conducted in-depth analysis of application bottlenecks, proposing and executing scalable solutions.
• Collaborated with development teams to ensure software releases met high-quality standards through automated testing and QA best practices.
• Created internal and external documentation about the product, trained new employees on the product functionalities and best practices of Ops and QA department.
• Extra: trained new stakeholders on the usage of the products.