Hi, I’m Alexi Savy, a Full-Stack Engineer with a backend focus based in Montreal. I have 6+ years building .NET Core and React applications, delivering production-ready systems, and driving performance improvements. I’ve combined software engineering with AI-assisted development, improving code quality and accelerating delivery. I’m passionate about scalable architectures, observability, security, and mentoring teams to achieve robust, maintainable solutions.

Alexi Savy

PRO

Hi, I’m Alexi Savy, a Full-Stack Engineer with a backend focus based in Montreal. I have 6+ years building .NET Core and React applications, delivering production-ready systems, and driving performance improvements. I’ve combined software engineering with AI-assisted development, improving code quality and accelerating delivery. I’m passionate about scalable architectures, observability, security, and mentoring teams to achieve robust, maintainable solutions.

Available to hire

Hi, I’m Alexi Savy, a Full-Stack Engineer with a backend focus based in Montreal. I have 6+ years building .NET Core and React applications, delivering production-ready systems, and driving performance improvements.

I’ve combined software engineering with AI-assisted development, improving code quality and accelerating delivery. I’m passionate about scalable architectures, observability, security, and mentoring teams to achieve robust, maintainable solutions.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Fluent

Work Experience

Software Engineer (Full-Stack) at Modest Tree Media Inc
September 1, 2021 - Present
Led a team of 5 over 2 years to deliver a production-ready data ingestion, processing, and visualization platform (NET Core, PostgreSQL, React, microservices; REST). Owned roadmap, CI/CD, and deployment. Built a data synchronization engine integrating 5+ data sources (WebSockets, REST, WebRTC, file storage, xAPI) with offline-first and conflict resolution; released as LTS with 0 incidents since 2024. Implemented JSON log standardization and Datadog observability across 20+ servers/cloud VMs; improved troubleshooting speed. Migrated UI to a unified React component library; reduced redundant CSS by ~80% and cut frontend feature dev time by ~50%. Transitioned from monolith to 20+ Docker microservices; improved deployment velocity. Implemented RBAC and audit logging; introduced one-click absolute data deletion. Optimized key endpoints, reducing latency by ~10x (3s to 0.3s) by refactoring database interactions and pushing filtering/aggregation into SQL. Delivered a custom data conversion se
Software Engineer / Tech Lead (Part-Time ~10 hours/week) at Concordia Innovation Lab
January 1, 2025 - January 1, 2026
Designed a data-driven full-stack (backend/frontend/mobile) application from requirements to production readiness. Authored technical design documents to ensure maintainability and team alignment. Mentored a 5-person engineering team, conducted code reviews, and enforced Git workflows and clean architecture. Implemented features including data streaming, user authentication, and data-driven UI, ensuring reliable server communication and a responsive UX.
Software Developer | Contract
January 1, 2021 - September 1, 2021
Delivered full-stack solutions and custom C# tooling for 3 clients, resolving legacy system bugs and streamlining internal 3D content creation pipelines.
Software Developer (Intern) at VResorts.io
June 1, 2020 - January 1, 2021
Mobile E-Commerce: Maintained secure client-side e-commerce that interfaces with REST APIs to process real-world transactions; built data-driven UI ensuring smooth UX.
Software Developer | Contract at Various Clients
January 1, 2021 - September 1, 2021
Delivered full-stack solutions and custom C# tooling for 3 clients, resolving legacy system bugs and streamlining internal 3D content creation pipelines.
Software Engineer (Full‑Stack) at Modest Tree Media Inc
September 1, 2021 - Present
Led a team of 5 over 2 years to deliver a production-ready data ingestion, processing, and visualization platform (.NET Core, PostgreSQL, React, microservices, REST). Owned the roadmap, CI/CD and deployment. Built a synchronization engine integrating 5+ data sources with offline-first and conflict resolution; released as LTS with 0 incidents since 2024. Implemented Datadog observability across 20+ services, migrated UI to a unified React component library, transitioned from monolith to 20+ Docker microservices, and implemented RBAC with audit logging and data deletion workflows. Achieved ~10x latency improvements on key endpoints and reduced N+1 queries.
Software Engineer / Tech Lead (Part-Time) at Concordia Innovation Lab
January 1, 2025 - January 1, 2026
Architecture: Designed from requirements to production readiness a data-driven full-stack (backend/frontend/mobile) application. Authored technical design documents ensuring long-term maintainability and team alignment. Team Leadership: Mentored a 5-person engineering team, conducted code reviews, enforcing standards for code reviews, Git workflow, and clean architecture. Hands-on Implementation: Implemented key features including data streaming, user authentication, data-driven UI, ensuring reliable server connections and responsive UX.
Software Developer | Internship at VResorts.io
June 1, 2020 - January 31, 2021
Mobile E-Commerce: Maintained secure client-side e-commerce that interfaces with REST APIs to process real-world transactions, built data-driven UI ensuring smooth UX.
Software Engineer / Tech Lead at Concordia Innovation Lab
January 1, 2025 - January 1, 2026
Architecture: Designed a data-driven full-stack application from requirements to production readiness; authored technical design documents ensuring long-term maintainability. Team Leadership: Mentored a 5-person engineering team, conducted code reviews, and enforced standards for code reviews and Git workflows. Hands-on Implementation: Developed features including data streaming, user authentication, and data-driven UI with reliable server connections and responsive UX.

Education

Master of Computer Science (Applied Machine Learning) at Concordia University
January 1, 2024 - May 14, 2026
Bachelor of Electronic Engineering at Odesa National Polytechnic University
January 1, 2014 - January 1, 2018
Master of Computer Science (Applied Machine Learning) at Concordia University
January 1, 2024 - January 1, 2028
Bachelor of Electronic Engineering at Odesa National Polytechnic University
January 1, 2014 - December 31, 2018
Master of Computer Science (Applied Machine Learning) at Concordia University
January 1, 2024 - May 14, 2026
Bachelor of Electronic Engineering at Odesa National Polytechnic University
January 1, 2014 - January 1, 2018

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Media & Entertainment, Education, Other
    paper Tech Companion

    Project complexity: cross-patform (iOS, Androind, PC, Web) application to visualize technical documentation. Built over 3 years, with a team of 5 people. The project secured contracts worth $40 million.