Jonathan Chen Email & Phone Number

Toronto, Ontario, Canada

Toronto, Ontario, Canada

◾ Winter 2024 - CSC148: Introduction to Computer Science - Responsible for running Weekly Office Hours - Held 10 hours of Assignment Office Hours - Graded Term Test 1 and Final Exam◾ Winter 2022 - CSC148: Introduction to Computer Science - Responsible for leading 2 different 2-hour weekly lab session of ~30 students, providing supplementary learning opportunities for students outside of lectures - Lesson topics included Object-oriented programming, fundamental data structures and recursion - Held 12 hours of Assignment Office Hours - Graded Term Tests 1 and 2◾ Winter 2021 - CSC148 Introduction to Computer Science - Responsible for leading 1 2-hour weekly lab session of ~30 students, providing supplementary learning opportunities for students outside of lectures - Lesson topics included Object-oriented programming, fundamental data structures and recursion - Held 10 hours of Assignment Office Hours - Graded Term Tests 1, 2 and Final Exam

Toronto, Ontario, Canada

◾ P3 (Pick Progress Platform) Team◾ Full stack development for a Tier 1 web application used by all 1144 Amazon Fulfillment Centres globally◾ Designed, implemented, released and monitored 6 distinct feature milestones to production, addressing backlog of customer requests and reducing team operational load◾ Developed 2 new API’s for a Tier 1 microservice, aimed at onboarding Amazon Fresh use cases to the Picking space◾ Stack: React, Java, AWS Dynamo DB, AWS Lambda, AWS Cloudfront, Amazon OpenSearch, AWS CDK, Jest

◾ FPGA Quartus Placer Team & FPGA Quartus Detailed Placer Team◾ Implemented functionality in Quartus Placer to support new tensor optimized DSP's in the Sundance Mesa FPGA family ◾ Designed and implemented new algorithm to evaluate legality of hints received in the Guided Hints placement flow - Algorithm consumed by both the analytical placement and simulated annealing engines◾ Lead contributor for modernizing the Detailed Placer Engine - Refactored large amounts of codebase from C-style to C++ style conventions - Added new infrastructure for unit testing, increased code coverage from ~0.5% to > 2%◾ Investigated and analyzed runtime improvements when porting Quartus C++ compiler from gcc/Visual Studio to Intel C++ compiler (ICX)◾ Stack: C++, C, Python, GNU Make, TCL

Toronto, Ontario, Canada

◾ LPE (Labor Planning Execution) Team◾ Developed a new Java library, responsible for reading, validating and writing labour planning related configuration data (~311 KB) to the cloud◾ Integrated library with AWS AppConfig and Amazon S3 via AWS SDK◾ Onboarded new library to a team-owned Tier 1 microservice, integrating new functionality with the existing Labour Plan generation workflow, which serves all Amazon Fulfillment Centres, Amazon Sort Centres, Amazon Logistics and Amazon Air customers globally◾ Responsible for managing and implementing an individual project from design to implementation to presentation ◾ Stack: Springboot, Java, AWS CDK, AWS SDK, AWS AppConfig, JUnit

Toronto, Ontario, Canada

◾ Individual contributor to MarkUs, an open-source web application currently used by the University of Toronto, University of Waterloo and École Centrale de Nantes (France) to deliver educational resources to students◾ Migrated “One-Time Annotations” view from vanilla HTML to React, utilizing the react-table library ◾ Debugged and addressed 6 customer issues ranging from UI fixes to backend logic changes◾ Full stack development under the supervision of Prof. David Liu◾ Stack: React, Ruby on Rails, RSpec, PostgreSQL, Docker

Toronto, Ontario, Canada

◾ PEP (Permissions Enterprise Platform) Team◾ Individually completed the BESR (Brownfields Environmental Site Registry) historical data porting project, which contains over 5 million records, dating from 1994-Present◾ Responsible for data exploration & data mapping (Oracle SQL), data massaging (JDBC, Java DOM Parser, XPath to parse XML Blob data) and developing a data reporting tool (Elasticsearch, Logstash, Kibana)◾ Delivered 3 POC’s (Proof of Concept) in a variety of languages and platforms (Elasticsearch, Open Liberty, Docker, Azure Pipelines, Maven)◾ Attended daily stand-up meetings and participated in weekly solution design meetings with the CFA (Cloud First Architecture) Group◾ Experience working in an Agile environment, using Azure DevOps for CI/CD Development◾ Stack: Java, JDBC, Oracle SQL, Elasticsearch, Microsoft Azure