5+ years of technical leadership in software development teams. 12+ years of experience shipping high-quality software. Solid knowledge of programming languages and paradigms, software and data modeling architecture and quality. Strong sense of empathy toward product users. Experience balancing perfection and pragmatism. Advanced oral and written English skills. Strong communication skills. Excellent Javascript programming skills in modern frameworks like Vue.js and React. Extensive knowledge of web server-side oriented languages (PHP, Python, Golang, Javascript for Node.js). Knowledge of HTML5/CSS3 web application development. Knowledge of relational and document oriented databases (MySQL, MongoDB). Knowledge of web architectures, services and APIs concepts. Experience using design patterns. Excellent OOP knowledge. Experience with version control (git). Experience with Typescript and/or other type checking technologies. Experience with API design. Proficiency on quality practices such as unit test implementation, integration/contract testing, e2e, backend and frontend performance/load testing, CI quality gates, etc. Strong code refactoring skills. Strong technical documentation and communication skills (e.g. UML). Proficiency on AI assisted software development workflows. Customer-first mindset. Experience with monitoring tools and metrics (Sentry, New Relic, Datadog, Kibana). Experience with bug tracking tools like Jira, Redmine, Bugzilla, etc. Experience with container technologies (Docker, Kubernetes) - Bonus points. Experience with complex, high-performance and high-availability apps - Bonus points.