SAGI HAMMER

Solutions Architect / Software Engineer

Solutions architect and software engineer with experience building AI, SaaS, browser tooling, APIs, React/TypeScript platforms, and XR products from idea to production. Recent work spans independent products, founding-stage engineering at Q.E.D Science, and core product foundations for D-ID Studio, D-ID Chat, D-ID Agents, and API surfaces.

Personal Products

Chapeta.net

Native macOS AI agent harness - like Claude Code, but nicer.

Gepeta.app

AI life-tracking SaaS/PWA and iOS app that turns text, voice, photos, and spreadsheets into structured personal records.

FastEdit.net

Privacy-first browser media editor for local conversion, compression, cropping, trimming, batching, and export workflows.

Work Experience

Q.E.D Science

2025 - Present
Founding Engineer
  • Owned the full product pipeline: frontend workflows, backend orchestration, data flow, and the AI engine at the center of the platform.
  • Built tool-backed AI workflows for editorial grant discovery, fit checks, evidence collection, drafting, review, and repeatable research operations.

D-ID

2021 - 2025
Senior Full-Stack Engineer
  • Helped build the foundations of D-ID Studio, D-ID Chat, and D-ID Agents, leading key work from initiation through execution and long-term integration.
  • Contributed to the D-ID API and product-facing engineering systems for AI video workflows.

Reality Shift Ltd.

2020 - 2021
Co-Founder / CTO
  • Developed the VR game Terragon: Symbol of Magic.
  • Built a hand gesture recognition pipeline based on image processing and machine learning.
  • Implemented procedural level generation, enemy AI, animation timing, and sound synchronization systems.

Israeli Defense Forces

2018 - 2020
Software Architect
  • Designed and implemented a scalable micro frontend architecture to modernize a legacy monolith.
  • Introduced webpack builds to an older TypeScript project.
  • Led the gradual transition from AngularJS to React.

Israeli Defense Forces

2014 - 2018
Software Developer
  • Built multiple web application projects from the ground up.
  • Developed mapping solutions using ESRI and NEMI/NeWMI.
  • Developed ASP.NET infrastructure to replace an existing WCF infrastructure.
  • Built AngularJS directives and components for internal platforms.