Eduardo Toledo edutoledo

Eduardo Toledo

Toronto, Ontario, Canada
edu.toledo@live.com • +1 (647) 466-3731\

Senior Full Stack Software Engineer | BuildOps, Toronto, ON | Dec 2024 - Oct 2025

Tech stack: Node.js, React, Kafka, Elasticsearch, MySQL.
Leveraged Cursor (AI powered IDE) for rapid, iterative development without compromising quality and maintainability.
Migrated authentication system for Project Management module to use new Fine Grained Authorization (FGA) system.
Implemented Inventory Costing for Project Finance module.
Maintained and implemented features for Project Management module for a Unicorn status startup.
Rotating on-call support.

Senior Full Stack Software Engineer | Thrive Career Wellness Platform, Toronto, ON | Oct 2023 - Jul 2024

Tech stack: Ruby on Rails, React, MySQL.
Continued usage of GitHub Copilot for AI-powered assistance of daily tasks.
Engineered a resume building tool leveraging ChatGPT.
Extended and simplified the GraphQL API for internal operations and customer use.
Developed and maintained SaaS product features using Ruby on Rails, React.js, and TypeScript.
Increased test coverage to over 90% by consistently adding and updating RSpec unit tests.

Full Stack Software Engineer | CareGuide, Toronto, ON | Apr 2022 - Aug 2023

Leveraged expertise of Ruby on Rails to ensure solid and maintainable backend with extensive unit test coverage.
Learned proper usage of GitHub Copilot (AI) for increased velocity, ensuring quality and best standard practices.
Migrated legacy frontend to a new Next.js with TypeScript frontend.
Built a "boost profile" feature, creating a new revenue stream for one-off purchases.
Developed a scam/fraud detection system using Amazon ML, integrated into permanent listings scanning.
Maintained and expanded comprehensive unit test suites using Jest (frontend) and RSpec (backend).
Gained hands-on experience with Kubernetes, SEO, A/B testing, and provided rotating on-call support.

Full Stack Software Engineer | Collage, Toronto, ON | Jul 2021 - Mar 2022

Learned Ruby on Rails and RSpec on the job with an expert mentor.
Implemented new features for an HRIS SaaS product using Ruby on Rails and React with MobX.
Applied TDD and software engineering best practices to ensure high code quality and availability.
Collaborated on key features including a new dashboard and offer workflow.
Maintained high code coverage with RSpec unit tests.

Systems Integration Designer | Nulogy, Toronto, ON | May 2014 - Mar 2020

Designed and integrated B2B solutions, building ~200 integrations using XSLT to map XML APIs and X12 EDI via IPAAS (Axway).
Served as Tier 3 (T3) support for critical technical issues and coordinated directly with clients for requirements and testing.
Formed a cross-functional team to implement integration points and build formal mapping documents.
Supported Professional Services and Sales teams by providing data through SQL database queries.

Co-op Placements | Various Companies, Toronto, ON | May 2010 - Dec 2013

Gained 2 years of software engineering experience through co-op placements at BMO, PriceMetrix, and NexJ Systems, developing internal tools and applications.

Bachelor of Computer Science | University of Waterloo, Waterloo, ON | 2009 - 2014

Languages: Ruby, JavaScript, TypeScript, Java, C#, C/C++, SQL, XSLT 1.0
Frameworks & Libraries: Ruby on Rails (3+ years experience), React.js, node.js, Next.js, Nx, GraphQL, REST, ASP.NET, MobX
AI tools: GitHub Copilot (in VSCode), Cursor IDE
Tools & Platforms: AWS (RDS, S3, EC2, EKS, ElastiCache, ML), Kubernetes, Docker, Git, GitHub, GitLab, CircleCI, ChatGPT, Elasticsearch, Cloudflare, Contentful, Datadog
Testing & Methodologies: RSpec, Jest, TDD, Agile (Scrum, Kanban), CI/CD, monorepo