Profile / Shmuel Leider
I’m interested in the whole system—not just the screen.
I’m a full-stack developer in Brooklyn who likes turning rough ideas and complicated workflows into software that feels calm, coherent, and useful.
What drives the work
I learn by making. That instinct has led me from full-stack web applications to AI orchestration, media pipelines, developer tools, and systems work in C# and Rust.
The technologies change; the standard does not. I care about clear models, durable boundaries, honest interfaces, and the unglamorous details that let a product keep working after the demo ends.
I’m at my best when a problem crosses disciplines—when the interface, data, automation, and operational reality all need to make sense together.
Working range
Broad enough to connect the pieces.
- 01Product
- Prototyping, interaction design, workflow modeling
- 02Frontend
- React, Next.js, Angular, accessible interfaces
- 03Backend
- Node.js, APIs, PostgreSQL, Supabase, background jobs
- 04Applied AI
- Agents, MCP, retrieval, structured generation
- 05Beyond JS
- C#, .NET, Rust, Axum
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