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Hi, I’m Alex Diamandi, a software developer and data-labeling specialist based in Toronto. I enjoy building reliable software, refining AI outputs through careful labeling and code review, and collaborating with cross-functional teams to ship high-quality products. I thrive in remote and fast-paced environments and am passionate about turning complex problems into scalable, maintainable solutions. In my free time I work on personal projects like AetherGrid, GroupWatch, and AlexDiamandi.com to explore desktop apps with C#, web apps with React/Node, and AI-assisted tooling. I value clear communication, continuous learning, and delivering value through practical, user-focused software.…Hi, I’m Alex Diamandi, a software developer and data-labeling specialist based in Toronto. I enjoy building reliable software, refining AI outputs through careful labeling and code review, and collaborating with cross-functional teams to ship high-quality products. I thrive in remote and fast-paced environments and am passionate about turning complex problems into scalable, maintainable solutions. In my free time I work on personal projects like AetherGrid, GroupWatch, and AlexDiamandi.com to explore desktop apps with C#, web apps with React/Node, and AI-assisted tooling. I value clear communication, continuous learning, and delivering value through practical, user-focused software.

Alex Diamandi

Developer, Data Annotator, Web Developer, +5

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Hi, I’m Alex Diamandi, a software developer and data-labeling specialist based in Toronto. I enjoy building reliable software, refining AI outputs through careful labeling and code review, and collaborating with cross-functional teams to ship high-quality products. I thrive in remote and fast-paced environments and am passionate about turning complex problems into scalable, maintainable solutions. In my free time I work on personal projects like AetherGrid, GroupWatch, and AlexDiamandi.com to explore desktop apps with C#, web apps with React/Node, and AI-assisted tooling. I value clear communication, continuous learning, and delivering value through practical, user-focused software.…Hi, I’m Alex Diamandi, a software developer and data-labeling specialist based in Toronto. I enjoy building reliable software, refining AI outputs through careful labeling and code review, and collaborating with cross-functional teams to ship high-quality products. I thrive in remote and fast-paced environments and am passionate about turning complex problems into scalable, maintainable solutions. In my free time I work on personal projects like AetherGrid, GroupWatch, and AlexDiamandi.com to explore desktop apps with C#, web apps with React/Node, and AI-assisted tooling. I value clear communication, continuous learning, and delivering value through practical, user-focused software.

Available to hire

Hi, I’m Alex Diamandi, a software developer and data-labeling specialist based in Toronto. I enjoy building reliable software, refining AI outputs through careful labeling and code review, and collaborating with cross-functional teams to ship high-quality products. I thrive in remote and fast-paced environments and am passionate about turning complex problems into scalable, maintainable solutions.

In my free time I work on personal projects like AetherGrid, GroupWatch, and AlexDiamandi.com to explore desktop apps with C#, web apps with React/Node, and AI-assisted tooling. I value clear communication, continuous learning, and delivering value through practical, user-focused software.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

AI Collection (Video)

Intermediate

AI Collection (Audio)

Intermediate

Language

English

Fluent

Work Experience

Developer and Data Annotation Specialist at dataAnnotation

January 1, 2023 - June 4, 2024

Created, modified, and verified 800+ software development related machine learning outputs across 30 projects. Evaluated and improved code quality in JavaScript, Python, Java, and other languages to meet benchmarks for syntactic and semantic correctness, performance, documentation, and security including input sanitization. Conducted data labeling and analysis adhering to detailed criteria and nuanced guidelines, ensuring quality data for over 20 machine learning models including GPT-4.

Data Labeling Analyst II (Assignment for Meta) at Tundra Technical Solutions

September 1, 2025 - Present

Audit, analyze, and label complex AI inputs and outputs across structured datasets (SQL, Markdown, JSON, Excel) to drive measurable quality gains and improve model alignment. Manage multiple projects simultaneously, partnering with cross-functional teams, and consistently communicating to resolve tooling issues, streamline workflows, and enable successful product launches. Adapt rapidly to evolving contexts and policies, translating insights into scalable improvements.