Cong Dao - Software Engineer

Q: Where is Cong based?

Cong is based in Toronto, Canada and prefers 100% remote projects.

Q: What languages does Cong speak?

Cong speaks the following languages: Vietnamese (Native), English (Advanced) .

Q: How many years of experience does Cong have?

Cong has at least 7 years of experience. During this time, Cong has worked in at least 3 different roles and for 6 different companies . The average length of individual experience is 1 year and 1 month . Note that Cong may not have shared all experience and actually has more experience.

Q: What is Cong's latest experience?

Cong's most recent position is Software Engineer at PointClickCare .

Q: What companies has Cong worked for in recent years?

In recent years, Cong has worked for PointClickCare , OpenText , and Sandvine Corporation .

Q: Which industries is Cong most experienced in?

Cong is most experienced in industries like Information Technology , Telecommunication , and Healthcare . Cong also has some experience in Transportation .

Q: Which business areas is Cong most experienced in?

Cong is most experienced in business areas like Information Technology , Product Development , and Quality Assurance . Cong also has some experience in Supply Chain Management .

Q: Which industries has Cong worked in recently?

Cong has recently worked in industries like Information Technology , Telecommunication , and Healthcare .

Q: Which business areas has Cong worked in recently?

Cong has recently worked in business areas like Information Technology , Product Development , and Quality Assurance .

Recommended expert

Toronto, Canada

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Experience

Mar 2025 - Present

1 year 3 months

Toronto, Canada

Software Engineer

PointClickCare

Developed and maintained full stack features for a healthcare SaaS platform using Java, Spring, JSP, JavaScript/TypeScript, React, Azure, and SQL Server, delivering robust solutions across the stack.
Optimised SQL Server queries which reduced query execution time by 70%.
Performed proactive monitoring and incident response using AppDynamics and Kibana.
Optimized development productivity by using GitHub Copilot/Claude Code to decrease implementation time and enhance code consistency.

Oct 2023 - Mar 2025

1 year 6 months

Richmond Hill, Canada

Software Developer

OpenText

Developed and maintained system functionality for the Content Management System using Java Spring Boot, JavaScript, TypeScript, React, Marionette, jQuery, Backbone.js, Kubernetes, Docker, and Google Cloud.
Collaborated with another developer to design and develop a new notification service within a microservice architecture, utilizing Java/Spring Boot, Redis, RabbitMQ, and PostgreSQL.
Developed in-app and email notification systems for a Content Management Application using Java Spring Boot, JavaScript, and Backbone.js.

Mar 2021 - Oct 2023

2 years 8 months

Waterloo, Canada

Software Engineer

Sandvine Corporation

Designed and implemented a comprehensive dashboard solution using TypeScript, JavaScript, React, and Redux, empowering customers to enhance application and network Quality of Experience (QoE) by providing real-time insights and network visibility.
Developed high-performance REST APIs using Node.js, Go, Docker, and Java/Spring Boot, enabling seamless communication between the dashboard and backend systems.
Developed a Python-based tool and leveraged Jenkins to automate and schedule daily data exports from the Vertica database, eliminating the need for manual exports.
Developed integration testing with TestCafe that reduced times required for UI tests by 20% when releasing new features.
Implemented a high-performance pre-caching algorithm with Redis in Java/Spring Boot, resulting in a significant decrease of 75% in API response time.

May 2020 - Aug 2020

4 months

Software Developer

Netwila Application Corporation

Developed RESTful web APIs with TypeScript, NestJS, and MongoDB to enhance frontend consumption.
Designed and implemented a dashboard for supply chain management using JavaScript, React, and Redux.
Utilized pagination and optimized UI rendering logic to reduce web application load times by 50%.

Jul 2018 - Aug 2018

2 months

Java Developer

mgm technology partners GmbH

Designed RESTful web APIs with Java/Spring Boot to improve the speed of loading by twice.
Improved fetching received mails from the mail server to the application by using cache and watcher.
Improved test coverage by 10% with new unit tests.

May 2016 - Jul 2017

1 year 3 months

Software Developer

VieGrid JSC

Developed tools with Python to crawl data to create datasets for the data team.
Enhanced the time image processing by 15% with OpenCV and C/C++.
Reduced the labeling images time by 50% for the data team by creating the image annotation tool in Qt C++.

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Telecommunication, Healthcare, and Transportation.

Information Technology

Telecommunication

Healthcare

Transportation

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, Quality Assurance, and Supply Chain Management.

Information Technology

Product Development

Quality Assurance

Supply Chain Management

Summary

I have over 7 years of experience in developing robust full stack solutions and optimizing application performance in various industries such as healthcare, content management, and network monitoring. My work spans across Java, JavaScript, TypeScript, Python, and C/C++, using frameworks and tools like Spring Boot, React, Docker, Kubernetes, and Redis to build efficient systems. I am passionate about reducing processing times and enhancing code quality, which has led to significant improvements in API response, query execution, and overall productivity.

I continuously strive to simplify complex processes by automating tasks and refining both frontend and backend functionalities. By focusing on practical solutions and measurable performance enhancements, I ensure the delivery of reliable and scalable software that meets diverse project needs.

Languages

Vietnamese

Native

English

Advanced

Education

Sep 2019 - Dec 2020

Conestoga College

Post Graduate · Mobile Solutions Development · Waterloo, Canada

Sep 2012 - May 2016

University of Sciences, Hue University

Bachelor of Science · Software Engineering · Viet Nam

Statistics

Experience

Total positions 6

Experience in Information Technology 6.5 y

Avg length 1 y 1 m

Longest experience 2 y 7 m

Global Experience

Countries worked in 1 (Canada)

Primary country Canada

Expertise

Recent roles Software Engineer, Software Developer, Java Developer

Main industries Information Technology, Telecommunication, Healthcare

Main business areas Information Technology, Product Development, Quality Assurance

Qualifications

Highest degree Bachelor

Profile

Created

March 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Cong based?

Cong is based in Toronto, Canada and prefers 100% remote projects.

What languages does Cong speak?

Cong speaks the following languages: Vietnamese (Native), English (Advanced).

How many years of experience does Cong have?

Cong has at least 7 years of experience. During this time, Cong has worked in at least 3 different roles and for 6 different companies. The average length of individual experience is 1 year and 1 month. Note that Cong may not have shared all experience and actually has more experience.

What roles would Cong be best suited for?

Based on recent experience, Cong would be well-suited for roles such as: Software Engineer, Software Developer, Java Developer.

What is Cong's latest experience?

Cong's most recent position is Software Engineer at PointClickCare.

What companies has Cong worked for in recent years?

In recent years, Cong has worked for PointClickCare, OpenText, and Sandvine Corporation.

Which industries is Cong most experienced in?

Cong is most experienced in industries like Information Technology, Telecommunication, and Healthcare. Cong also has some experience in Transportation.

Which business areas is Cong most experienced in?

Cong is most experienced in business areas like Information Technology, Product Development, and Quality Assurance. Cong also has some experience in Supply Chain Management.

Which industries has Cong worked in recently?

Cong has recently worked in industries like Information Technology, Telecommunication, and Healthcare.

Which business areas has Cong worked in recently?

Cong has recently worked in business areas like Information Technology, Product Development, and Quality Assurance.

What is Cong's education?

Cong holds a Bachelor in Software Engineering from University of Sciences, Hue University.

What is the availability of Cong?

Cong is immediately available full-time for suitable projects.

What is the rate of Cong?

Cong's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.