Katherine is available for hire

Katherine Zheng

Verified Expert in Engineering

Software Engineering Developer

Location

Toronto, ON, Canada

Toptal Member Since

October 26, 2022

Katherine is a full-stack developer with six years of cross-industry experience. She has a solid understanding of project management, Agile methodologies, and building scalable and performant systems. Katherine has experience working in startup environments and leading a team of developers through successful software projects.

Full-stack Python SQL React PostgreSQL TypeScript Django Software Engineering Linux Java Flask ETL Spring Boot Machine Learning Data Analytics

Portfolio

CPP Investments

Java, Python, Angular, React, JavaScript, Spring Boot, Flask, TypeScript, SQL...

RBC Capital Markets

Java, Python, JavaScript, React, Linux, Bash Script, SQL, Full-stack...

IBM

Java, SQL, Linux, Bash Script, Full-stack, ETL

Experience

Software Engineering - 10 years Python - 10 years SQL - 5 years JavaScript - 5 years React - 5 years Flask - 5 years TypeScript - 3 years Django - 2 years

Availability

Part-time

Preferred Environment

PyCharm, Windows, Slack, Zoom, Teams

The most amazing...

...thing I’ve developed is a portfolio analytics systems which managed multi-billion dollar investments.

Work Experience

Senior Developer

2019 - 2021

CPP Investments

Utilized various data sources to build a robust centralized equity financing platform.
Designed and implemented investment portfolio analytics systems.
Designed and developed investment performance monitoring and reporting pipelines.
Worked as a liaison between investors and IT teams. Set requirements and managed the direction of front-office IT projects.

Technologies: Java, Python, Angular, React, JavaScript, Spring Boot, Flask, TypeScript, SQL, MongoDB, Full-stack, Leadership, Technical Leadership, Software Architecture, Django, PostgreSQL, ETL

Technical Systems Analyst

2017 - 2019

RBC Capital Markets

Worked with traders directly to implement and test trading algorithms.
Built visualization tools and monitors for the market, trades, position, and risk.
Identified test coverage gaps in new and existing trading components. Participated in all aspects of testing, built out test coverage, and wrote all tests.

Technologies: Java, Python, JavaScript, React, Linux, Bash Script, SQL, Full-stack, Leadership, Technical Leadership, Software Architecture, Django, PostgreSQL, ETL

WebSphere Software Engineer

2015 - 2016

IBM

Designed and implemented automation testing frameworks for the installation process of WebSphere Liberty servers.
Led the testing and delivery process. Prioritized testing tasks and ensured milestones, activities, and tasks were completed as scheduled.
Worked closely with the project manager and architect. Ensured requirements were well understood, acceptance criteria were clear, and test plans were complete.

Technologies: Java, SQL, Linux, Bash Script, Full-stack, ETL

Experience

Trade Monitoring App

Developed a web app for equity trade monitoring. The app was built in React, Python, Flask, SQL, and kdb+. I designed and developed the app. Also, I worked closely with end users to collect requirements, set goals, and managed deliverables.

Skills

Languages

SQL, Python, JavaScript, TypeScript, Java, Bash Script

Frameworks

Django, Angular, Spring Boot, Flask

Libraries/APIs

React

Storage

PostgreSQL, MongoDB

Other

Full-stack, Leadership, Software Engineering, Technical Leadership, Software Architecture, Teams, Machine Learning, Data Analytics, Statistics, Cloud

Paradigms

ETL, Data Science

Platforms

Linux, Windows, Amazon Web Services (AWS)

Tools

PyCharm, Slack, Zoom

Education

2020 - 2021

Master's Degree in Management Analytics

Queen’s University - Kingston, ON, Canada

2012 - 2017

Bachelor's Degree in Mathematics and Computer Science

University of Toronto - Toronto, ON, Canada

Certifications

MAY 2020 - PRESENT

AWS Certified Developer - Associate

Amazon Web Services

AUGUST 2018 - PRESENT

Chartered Financial Analyst (CFA) Level I

CFA Institute

Collaboration That Works

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