David Chang Email & Phone Number

Toronto, Ontario, Ca

Toronto, Ontario, Ca

Toronto, Ontario, Ca

Toronto, Ontario, Ca

Toronto, On, Ca

Toronto, On, Ca

Toronto, On, Ca

• Core member of the TELUS Digital team since September, 2013, primarily focused on building a new responsive TELUS My Account experience.• Acted as project manager, delivery manager and technical lead on the Billing and Product Management SCRUM teams, while remaining deeply involved in the development lifecycle.• Technical lead for initiative to redevelop iOS and Android native experiences for Koodo My Account.• Led initiative to create comprehensive API documentation for the new My Account app to ease onboarding for future developers and to ensure there is a central source of documentation.• Led weekly roundtables to ensure all Nascent teams at TELUS were aligned and to detect and resolve issues before they became larger problems.• Planned and organized a company breakfast for 60 employees at TELUS, catering to diverse diets and personal preferences. The breakfast was touted as the "breakfast event of the year", and was talked about for weeks afterwards.• Worked with executive management to found Nascent Labs, an organic and grassroots subdivision within Nascent to experiment with emerging technologies. The team has produced many projects, some of which have been featured at Maker Festival in Toronto and Maker Faire in Ottawa.• Led and organized Nascent's #hack2giveback Social Good Hackathon, which brought together external mentors, judges and participants in an effort to give back to the community. Six teams entered for a chance to win a $1000 donation to the charity of their choice.• Mentored colleagues and peers, engaged in sales pitches, interviewed dozens of potential candidates, and tactfully handled internal/client negotiations as part of lead engineer responsibilities.

Calgary, Alberta, Ca

• Led a team of five developers in the role of technical lead/director on a large-scale project to redesign, architect and implement a major touchscreen interface over the course of a year.• Heavily involved in nearly all aspects of the project lifecycle, from scheduling and estimation, resourcing, requirements gathering and information architecture, to design and implementation, functional and integration testing, live demonstrations and training sessions with the client, and on-site delivery hand-offs.• Put together several iPad prototypes for client business presentations. These prototypes were eventually demonstrated to upper management and major stakeholders, where they were well-received.• Facilitated requirements gathering and development by directly travelling to client offices on a frequent basis for on-site discussions and presentations, hands-on lab walkthroughs and face-to-face visibility/usability testing with current and potential users.• Built deployment and packaging scripts to expedite testing on internal quality assurance environments and to transfer consistent packages to clients.

Toronto, Ontario, Ca

• Coordinated development efforts as the lead developer on several projects, working closely with both in-house and off-site staff and clients.• Developed applications whose workflows included: event registrations, membership renewals, bulk manipulations and processing of content, report generation, payment handling, social media integration, proximity-based searching and multi-language support.• Communicated with third parties to create fully-functional API specifications and cross-domain integrations.• Major contributor to the Jonah Group blog, A Series of Tubes (aseriesoftubes.com), with articles covering debug methods to integrating shell commands within web interfaces.• Put together a deployment script to significantly reduce compilation time from almost 20 minutes to 30 seconds, saving the company thousands of hours on a team of twenty developers.• Created and maintained lunch club website to help organize and coordinate bi-weekly lunch club events for the entire company. The site is still in use today, and has coordinated 95 company lunches, delivered over 1000 personal meals, while helping organizers collect eleven thousand dollars in lunch money.

Built an outbound calling scheduler, which issued phone calls via an IVR application configured through a campaign manager. This application was later used in production to make over one million calls a day.