Led a team of 7 engineers by coaching and mentoring them, conducting performance reviews, and planning promotions.Defined and executed the team's roadmap and planning, performed code/architecture reviews, and optimized performance.Prioritized tasks and dependencies for stakeholders and upstream dependencies, and facilitated cross-team architecture.Conducted interviews and hiring processes for new engineering talent.Developed processes and data flow mapping diagrams.Decoupled the event-driven flow with re-architecture from monolithic codebase with database coupling to multi-repos, APIs, and Kafka events.Improved monitoring of existing processes and managed long-living bugs and tech debts.Technologies:Python, Kafka, REST/GraphQL APIs, MSSQL, BigQuery, GCP, Docker, Kubernetes, Jira, Confluence, Github, Miro.

Acting as technical lead, some of the responsibilities are: - help with interviews of interested and interesting candidates; - onboard new employees and mentor other employees; - explore new technologies and engage teams with presentations; - make sure that both clients understand what they are asking and developers know what to do; and - most importantly, deliver.Because we can always have fun before we start, after we deliver, and when we work on projects.

Few hours weekly for Internet consulting. - Created used-car online selling system (in PHP) for a family business (was autosuccess.ca) - Developed a system (in ASP.NET) for creating websites from a database without the intervention of programmers for an international firm (luxuryretreats.com the company was later acquired by airbnb) - Analyzed and transferred websites on cloud hosting (Amazon and Rackspace) for a multimedia client

- Analyzed and architectured internal and external solutions from A to Z. - Maintained system per changing requirements from the Ministry of Education for College studies - Managed MYSQL databases - Analyzed and developed software for ranking college applicants - Assisted the principal system administrator for analysis and deployment of network infrastructure and servers

- Ported the proprietary software from VB6 to C# - Validated and optimized computation algorithms - Created a new ergonomic graphical user interface - Added partial functionality in VB6 - Installed Linux servers for internal file sharing (CVS, Samba) and for external FTP, SMTP and HTTP - Installed and configured SMTPs (postfix) server as secure relay for employees in US and Canada - Re-incorporated PHP website under interal management - Defined programming naming convention for classes and namespaces - Installed a CVS module for Visual Studio and propagated CVS usage to company - Integrated products on-site - Trained clients

- Ported the proprietary software from Java1 to Java2 - Developed an automated client-side updating module - Integrated products on different HTTP servers (Tomcat, Apache, Resin) and different OO-DBMS (proprietary, Prevayler) - Developed management web interface - Developed an automatic compiling, releasing and distribution process - Added XML-awareness to the solution - Created Javascript and MovieClips (ActionScript, FlashMX) modules for dynamic generated XML content - Integrated solutions on-site and assisted clients for technical support

- Created authentication modules for different sources (LDAP, text files, DBMS) - Defined installation procedures for operating systems and products - Automated installation of iPlanet Directory Server, Messaging Server and Web Server - Defined LDAP conventions - Helped with the user manual creation and correction - Integrated products into testing environments for clients on-site

- Developed websites for clients - Managed Solaris and Linux servers - Implemented varieties for new services (internet access for students, network monitoring systems, DNS registration, etc)

- Developed website (in Perl) for clients

Managing department softwares for Un*X (Solaris, AIX, SGI, Alpha, HPUX, etc) to be up-to-date. Managing Windows NT workstations.