I'm Lucas Zanlorensi, a software engineer based in Brampton, Ontario, with 5+ years of hands-on experience building, maintaining, and refining mobile and web applications in fast-paced teams. I thrive in Agile environments, focusing on delivering robust features, improving code quality, and ensuring accessible, testable, and scalable solutions. I've contributed to TD Bank and Siemens R&D, collaborating across disciplines to redesign user interfaces, optimize performance, migrate tools, and build internal tooling. My technical strengths include Swift, REST APIs, Java, SQL, and a commitment to continuous learning and teamwork.

Lucas Ferreira Zanlorensi

I'm Lucas Zanlorensi, a software engineer based in Brampton, Ontario, with 5+ years of hands-on experience building, maintaining, and refining mobile and web applications in fast-paced teams. I thrive in Agile environments, focusing on delivering robust features, improving code quality, and ensuring accessible, testable, and scalable solutions. I've contributed to TD Bank and Siemens R&D, collaborating across disciplines to redesign user interfaces, optimize performance, migrate tools, and build internal tooling. My technical strengths include Swift, REST APIs, Java, SQL, and a commitment to continuous learning and teamwork.

Available to hire

I’m Lucas Zanlorensi, a software engineer based in Brampton, Ontario, with 5+ years of hands-on experience building, maintaining, and refining mobile and web applications in fast-paced teams. I thrive in Agile environments, focusing on delivering robust features, improving code quality, and ensuring accessible, testable, and scalable solutions.

I’ve contributed to TD Bank and Siemens R&D, collaborating across disciplines to redesign user interfaces, optimize performance, migrate tools, and build internal tooling. My technical strengths include Swift, REST APIs, Java, SQL, and a commitment to continuous learning and teamwork.

See more

Experience Level

Expert
Expert
Intermediate
Intermediate
Intermediate

Language

English
Fluent
Portuguese
Fluent

Work Experience

Software Engineer - iOS Mobile Team at TD Bank
February 1, 2022 - June 1, 2025
Implemented redesigned high-traffic credit card screens in SwiftUI. Leveraged Combine to handle multiple asynchronous events when making API calls. Structured view models to achieve unit test coverage with a goal of 80%+. Ensured accessibility considerations across screens. Developed card control screens flow in SwiftUI. Used NotificationCenter to publish changes from legacy to redesigned screens. Implemented a 'what's new' view on first login after feature launch using UserDefaults.
Application Maintenance Specialist at TD Bank
May 1, 2021 - August 1, 2021
Implemented a production SQL server fix and significantly improved load performance by up to 10x (+1000%). Refactored COBOL programs for compliance with TD standards. Prepared internal monthly software package update reports. Began development on an internal tool for the team's information base purposes.
Application Maintenance Specialist at TD Bank
September 1, 2020 - December 1, 2020
Completed unsupervised migration of the entire tool suite to a new server. Updated libraries and server versions on team tools, including refactoring of current code. Improved tools by fixing bugs on both frontend and backend sides.
Application Maintenance Specialist at TD Bank
January 1, 2020 - April 1, 2020
Developed and maintained the team’s tools, covering frontend and backend aspects of the application. Passed an internal COBOL programming course. Collaborated with the team on the mainframe to prepare test packages for releases.
Java Developer at SIEMENS R&D
September 1, 2015 - December 1, 2016
Worked in a team of 10 developing and maintaining company software. Applied Java and relational database knowledge toward software development and maintenance. Collaborated with team members in an AGILE environment to reach team goals.

Education

Diploma at Sheridan College, Davis Campus
September 1, 2018 - December 1, 2021
Bachelors of Computer Science (BCS) at Pontifical Catholic University of Paraná
January 1, 2012 - January 1, 2016
BepiD (Brazilian Education Program for iOS Development) at Pontifical Catholic University of Paraná
January 1, 2013 - January 1, 2014

Qualifications

COBOL Programming Course
January 11, 2030 - January 31, 2026

Industry Experience

Software & Internet, Financial Services, Computers & Electronics, Professional Services