Mark Vanrietschoten Email & Phone Number

Kitchener, Ontario, Canada

Improved a multi-service image search, re-implementing the back-end using Streams API and Reactive programming to support a fast and scalable user experience.Learned Rust supported by team mentorship, and implemented GraphQL and RESTful APIs for entities in a major API rewrite. Raised test coverage of project to 98%.

Kitchener, Ontario, Canada

Implemented the API and data layer for an internal video call service adding richer integration with the Bluescape visual collaboration platformIntegrated telephony to meetings allowing dial-in access via a voice-guided menuRealized a re-design of the meeting lobby user experience, and created a meeting-first experience with the Bluescape application embedded in the meeting. Technologies: ReactJSMentored and guided multiple co-op students to make meaningful contributions… Show more Implemented the API and data layer for an internal video call service adding richer integration with the Bluescape visual collaboration platformIntegrated telephony to meetings allowing dial-in access via a voice-guided menuRealized a re-design of the meeting lobby user experience, and created a meeting-first experience with the Bluescape application embedded in the meeting. Technologies: ReactJSMentored and guided multiple co-op students to make meaningful contributions to team projects Show less

Drove implementation of a new secure messaging system in the EMR application, defining scope, designing the system, and delivering to a short schedule with a three-person team.Designed and developed an internal database schema management library implemented with Liquibase to decouple schema management from the EMR application code; the library had a small, focused API with 97% unit test coverage, integration tests, and a modular design.Mentored junior hires and modeled quality… Show more Drove implementation of a new secure messaging system in the EMR application, defining scope, designing the system, and delivering to a short schedule with a three-person team.Designed and developed an internal database schema management library implemented with Liquibase to decouple schema management from the EMR application code; the library had a small, focused API with 97% unit test coverage, integration tests, and a modular design.Mentored junior hires and modeled quality in Object-Oriented design using SOLID principles and continued education through reading and practice. Show less

Kelowna, Bc

Designed a new e-Prescribing system allowing direct communication between physician offices and pharmacies, leveraging the HL7 FHIR framework to define JSON models for easy interoperability. Worked with external organizations to create and share requirements, integration environments and support as they integrated a third party software system into our e-Prescribing platformCreated and maintained lightweight diagrams and documentation of systems and interactions to allow… Show more Designed a new e-Prescribing system allowing direct communication between physician offices and pharmacies, leveraging the HL7 FHIR framework to define JSON models for easy interoperability. Worked with external organizations to create and share requirements, integration environments and support as they integrated a third party software system into our e-Prescribing platformCreated and maintained lightweight diagrams and documentation of systems and interactions to allow multiple teams to understand their roles and impacts within our software ecosystemInvestigated, evaluated and championed technologies and solutions for in-product and cross-product tools, features and problems. Drove lightweight and living diagrams and documentation for our software, systems and interactions to allow our multiple teams and products to understand their roles and impacts within our software ecosystem. Acted as Product Owner for a dedicated internal tools team, gathering and documenting user requirements, backlog grooming, sprint planning, and coordinating between various stakeholders and the development team to deliver working and valuable software. Show less

British Columbia, Canada

Led a small team of three developers dedicated to investigating and resolving client-reported issues throughout the entire applicationGrew team to six, improving performance through mentorship and guidance in product domain knowledge, team processes, and technical skillsRefined and maintained inter-department processes and relationships with customer-facing call center to improve communication, tracking and management of software issuesTransitioned team from a customer… Show more Led a small team of three developers dedicated to investigating and resolving client-reported issues throughout the entire applicationGrew team to six, improving performance through mentorship and guidance in product domain knowledge, team processes, and technical skillsRefined and maintained inter-department processes and relationships with customer-facing call center to improve communication, tracking and management of software issuesTransitioned team from a customer support focus to feature implementation in the clinical charting module as development organization evolved Show less

British Columbia, Canada

Developed new features and enhancements for a leading Canadian Electronic Medical Records application used for patient scheduling, charting, billing, and organization in medical offices. Technologies: Java, MSSQL, XML, SubversionPerformed root cause analysis of reported bugs, ran performance analysis, delivering issue resolution and improvements quickly and correctlyResolved hundreds of customer issues, working closely with call center staff to ensure the inbound issue reports… Show more Developed new features and enhancements for a leading Canadian Electronic Medical Records application used for patient scheduling, charting, billing, and organization in medical offices. Technologies: Java, MSSQL, XML, SubversionPerformed root cause analysis of reported bugs, ran performance analysis, delivering issue resolution and improvements quickly and correctlyResolved hundreds of customer issues, working closely with call center staff to ensure the inbound issue reports were of good quality and that outbound bug fixes resolved reported problems Show less

Creating and updating documentation, maintaining demo and test environments, participating in design and troubleshooting for a developing software module. Direct customer assistance with configuration and troubleshooting early release of software.

Performed test cases and submitted bug reports for in-development software. Developed and maintained test case documentation.

Coordinated user testing of applications on Windows Vista platform. Configured and prepared handheld PC devices. Upgraded on-site software with new versions as required. Assisted with running and maintaining various site applications. Developed interpersonal skills through working as part of a team in an office environment.Skills · Capable of programming in Java, C, and C++ · Competent with SQL database language · Familiar with computer… Show more Coordinated user testing of applications on Windows Vista platform. Configured and prepared handheld PC devices. Upgraded on-site software with new versions as required. Assisted with running and maintaining various site applications. Developed interpersonal skills through working as part of a team in an office environment.Skills · Capable of programming in Java, C, and C++ · Competent with SQL database language · Familiar with computer hardware, architecture, and assembly language · Acquainted with SPICE and Cadence simulation tools · Experienced with most Microsoft Office Applications Show less