At least 5 years of professional experience as a software engineer, with significant experience leading company-wide, impactful software initiatives. Strong proficiency in Python for backend development. Extensive experience with modern JavaScript frameworks, particularly React, and a solid understanding of ECMAScript 2025 features. In-depth knowledge of front-end development technologies including HTML, CSS, and JavaScript. Proficient understanding of code versioning tools, such as Git. Experience with automated testing frameworks (e.g., Pytest, Testing Library, Jest, Playwright, or similar) and test-driven development (TDD). Strong understanding of CI/CD principles and experience implementing CI/CD pipelines. Experience working with cloud infrastructures, particularly AWS (e.g., EC2, RDS, S3). Experience with containerization technologies like Docker and orchestration tools like Kubernetes. Familiarity with relational and NoSQL databases. Solid understanding of web security best practices and common vulnerabilities (e.g., XSS, CSRF). Excellent problem-solving skills and a proactive approach to work. Strong communication and collaboration skills, with the ability to work effectively in a team environment.