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Founding Engineer

Tel Aviv-Yafo, IsraelFull-time2026-10-04 → 2026-10-08

Core

Design, build, and ship core product features end-to-end for D2C brands, focusing on AI agents, agentic workflows, and real-time personalization systems.

Role type

Founding Engineer (hands-on IC)

Builds

Core product features, AI agents, agentic workflows, scalable real-time personalization systems

Domain

Applied AI, E-commerce, Retail

Deliverable

production ML models

Required skills

Full-stack engineering, AI agents and agentic systems, large-scale data processing, browser runtime ecosystem, system design, API design, data modeling

Preferred skills

AI/ML-powered products, experimentation and personalization, early-stage startup experience, production system ownership

Technologies

Node.js, JavaScript, React, GCP, BigQuery, PostgreSQL, Redis, Google Pub/Sub

Responsibilities

Design and build core product features end-to-end; Build agents, harness, tools, skills and scale existing agentic workflows; Make architectural decisions across frontend, backend, and infrastructure; Work closely with founders on product direction and technical strategy; Build scalable, reliable systems for high-traffic environments; Develop systems enabling real-time personalization and experimentation; Help define engineering best practices, tooling, and culture (via careerplan.io/jobs/3B-00B-36-D60-founding-engineer-at-variant)