Summary
Overview
Work History
Education
Skills
Timeline
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YOUNGJAE KIM

Montreal

Summary

Experienced full-stack developer with a strong background in designing, building, and scaling end-to-end solutions, ensuring high code reliability and maintaining product quality. Led the development and implementation of key projects from the ground up, including UI design, API development, and infrastructure architecture, always prioritizing user-centric solutions and optimizing performance. Skilled in integrating automated testing and resolving complex technical challenges, while addressing critical bugs and continuously enhancing features based on client feedback to drive customer satisfaction and business growth.

Overview

8
8
years of professional experience

Work History

Full Stack Developer

Flexspring
01.2024 - Current
  • Boosted unit test coverage from 5% to 90%, strengthening codebase stability and deployment confidence.
  • Led the development and implementation of the Approval Manager project, designed from scratch to facilitate user interactions during the data integration process between HR software systems. Oversaw the full-stack development, including UI, APIs, and infrastructure, with a focus on optimizing user experience and ensuring smooth workflows.
  • Developed and maintained automated tests to ensure continuous integration and high-quality code.
  • Fixed critical bugs and implemented client-requested improvements to enhance overall product quality and customer satisfaction.

R&D Software Developer

Modulus Data
01.2023 - 04.2023
  • Designed and implemented automated test cases using JUnit, increasing test reliability and coverage across core product features.
  • Integrated automated test execution into Jenkins pipelines, streamlining the CI/CD process and reducing manual QA efforts.
  • Performed in-depth root cause analysis of product bugs and system errors, providing detailed reports and collaborating with developers for rapid resolution.
  • Conducted regular regression and integration testing to maintain high product quality standards and ensure stability across software updates and releases.

Application Developer & Data Analyst

Bombardier
09.2021 - 12.2022
  • Developed HR analytics reports in Power BI, including cost allocation, management ratios, and voluntary turnover rate reports, enabling data-driven decision-making across the organization.
  • Managed complex dataflows and created custom Power BI logic to deliver accurate, real-time workforce insights for broad employee and leadership needs.
  • Presented HR dashboards and conducted training sessions for executives, driving adoption of data analytics in strategic business planning.

Squad Leader

Army Aviation Operations Command
01.2017 - 09.2018
  • Led and mentored a team of 7 soldiers, ensuring successful execution of critical missions under high-pressure environments.
  • Awarded Military Citation for outstanding leadership, operational excellence, and team performance.

Education

Bachelor of Computer Science - Computer Science

Concordia University
Montreal, QC
04-2024

Skills

  • Programming Languages: Java, JavaScript, TypeScript, C, PHP, HTML, CSS
  • Frameworks & Libraries: React, Bootstrap, VITE, Spring Boot
  • Databases: MySQL, PostgreSQL
  • Tools & Platforms: Power BI, Jenkins, Selenium, Sentry, Agora
  • Languages: Korean (Native or bilingual proficiency), English (Full professional proficiency)

Timeline

Full Stack Developer

Flexspring
01.2024 - Current

R&D Software Developer

Modulus Data
01.2023 - 04.2023

Application Developer & Data Analyst

Bombardier
09.2021 - 12.2022

Squad Leader

Army Aviation Operations Command
01.2017 - 09.2018

Bachelor of Computer Science - Computer Science

Concordia University

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YOUNGJAE KIM