Joona Lusa
Waterloo,ON
Summary
Detail-oriented software developer with 3+ years of experience building and maintaining enterprise-grade web applications. Specializing in back-end development using Java, SQL, and JSF, with hands-on full-stack expertise across JavaScript, HTML/CSS, and RESTful APIs. Known for delivering scalable features, optimizing performance, and automating processes in Agile teams. Seeking to contribute to impactful engineering projects with modern architecture and cloud infrastructure.
Overview
9
9
years of professional experience
4
4
years of post-secondary education
Work History
Software Developer
Xenex Enterprises Inc.
04.2022 - Current
- Developed and maintained mission-critical features for an E-bond web platform using Java, JSF, and SQL.
- Built AJAX-powered UI components to improve responsiveness and reduce user input lag by ~35%.
- Reduced manual document handling by implementing a PDF migration automation tool across staging and production environments.
- Developed an AI-powered PDF analysis solution to automate data extraction and classification, reducing manual review time from 1 full day to under 4 hours, significantly improving operational efficiency and accuracy across document workflows.
- Integrated HubSpot CRM API to automate client data synchronization, cutting manual entry time by 70%.
- Wrote and optimized SQL queries to support new features, achieving up to 2x performance improvements in complex reports.
- Worked cross-functionally with QA to identify, triage, and resolve production issues - reducing turnaround time by 40%.
- Contributed to Agile ceremonies including daily stand-ups, sprint planning, and retrospectives to improve development velocity.
Security Guard
Barber Collins Security Services
11.2018 - 05.2022
- Monitored facility operations via CCTV and responded to emergency alarms, maintaining high safety standards.
- Checked identification of persons entering and exiting facility to eliminate unauthorized visitors.
- Reinforced site policies with professionalism and de-escalation skills.
Asset Protection Associate
Hudson's Bay Company
01.2017 - 04.2018
- Executed internal audits and policy compliance inspections to minimize inventory loss and improve shrink metrics.
- Improved staff compliance with security protocols through engaging and informative training sessions.
- Contacted local authorities and apprehended shoplifters.
Sales and Service Technician
Kal Tire
06.2016 - 01.2017
- Replaced and repaired tires using best practices for safe vehicle maintenance.
- Improved customer satisfaction by providing timely and accurate tire services.
- Demonstrated commitment to quality control, adhering strictly to company guidelines for tire installation procedures.
Education
Certificate - Web Development
University of Toronto, School of Continuing Studies
Toronto, ON 10.2021 - 04.2022
Diploma - Software Engineering
Conestoga College
Kitchener, ON 01.2019 - 04.2021
Diploma - Police Foundations
Conestoga College
Kitchener, ON 09.2012 - 04.2014
Skills
- Languages: Java, JavaScript, SQL, HTML, CSS, jQuery, C, Python
- Frameworks/Libraries: JSF, Reactjs, Bootstrap
- Tools: Git, GitHub, Eclipse, MySQL Query Browser, JIRA, Postman, Claude API
- Cloud: AWS (BedRock, Textract, S3, Claude)
- Other: Agile, RESTful APIs, Software Development Life Cycle (SDLC), Code review and refactoring
Languages
English
Bilingual or Proficient (C2)
Finnish
Bilingual or Proficient (C2)
Timeline
Software Developer
Xenex Enterprises Inc.
04.2022 - Current
Certificate - Web Development
University of Toronto, School of Continuing Studies
10.2021 - 04.2022
Diploma - Software Engineering
Conestoga College
01.2019 - 04.2021
Security Guard
Barber Collins Security Services
11.2018 - 05.2022
Asset Protection Associate
Hudson's Bay Company
01.2017 - 04.2018
Sales and Service Technician
Kal Tire
06.2016 - 01.2017
Diploma - Police Foundations
Conestoga College
09.2012 - 04.2014
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