Senior/Staff Product Engineer (Full-Stack & Platform) - AI Agent & SaaS Core Development

digivance solutions • United State

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AI Summary

Lead end-to-end development of core user-facing products and platform capabilities at a fast-growing startup. Own large-scale product areas, architect scalable solutions, and drive rapid iteration with AI tools. Requires 2–10 years of full-stack, product, or backend engineering experience with deep expertise in TypeScript, React, and PostgreSQL.

Key Highlights

Own and ship entire product modules (e.g., AI Agent, App Builder, CMS, Files & Media) end-to-end

Collaborate closely with founders to define and iterate on product requirements for non-technical users

Build and optimize core SaaS capabilities (billing, entitlements, analytics, AI workflows) with production-grade infrastructure

Key Responsibilities

Design, architect, and develop end-to-end user-facing products (AI Agent, App Builder, mobile/PWA, headless SaaS SDKs)

Own product areas like Users & Access, CMS, Files & Media, Email, and Commerce with full ownership from requirements to iteration

Drive product roadmaps by translating unclear goals into technical solutions (design, architecture, data modeling, API design, development, and launch)

Build and enhance core SaaS capabilities including billing, entitlements, analytics, A/B testing, feature flags, and notifications

Leverage AI coding tools to accelerate development and maintain high-quality output

Collaborate with founders to define product requirements and iterate based on user feedback from a large user base

Design intuitive UX/UI for non-technical users managing business systems (CRMs, ERPs, warehouse management, HR platforms)

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Technical Skills Required

TypeScript React PostgreSQL

Benefits & Perks

Open to visa transfers (OPT, H-1B)

In-office preferred with remote consideration for exceptional candidates

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Nice to Have

Experience with AI agent infrastructure (long-running jobs, model routing, GPU orchestration)

Fast-growing startup experience (pre-Series C, <150 employees)

Developer tools or product company background (high-bar standards)

Founder experience, Y Combinator background, open-source contributions, or technical writing

Job Description

ROle :Senior/Staff Product Engineer/Senior Full-Stack Engineer (Product & Platform)

Location: San Francisco, CA (in-office preferred; remote may be considered for exceptional candidates)

Employment type: Full-time

Experience: 2–10 years as a Product, Infrastructure, Platform, or Backend Engineer

Visa sponsorship: Open to visa transfers, including OPT and H-1B transfers

About the role

We are looking for a Senior or Staff-level Product Engineer to build and own core user-facing products across the platform. You will take ownership of large product areas, work closely with the founding team, and ship simple, reliable products that help non-technical business users run critical business systems.

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