About Sinima
Sinima is the system that rebuilds Hollywood from the inside out by returning ownership, control, and revenue to the creators who actually make it exist.
We are an experienced, all-female executive team—operators, builders, and mothers—who have spent our careers inside the existing media and technology ecosystem. We understand where it works, where it fails, and whom it leaves behind. We are not iterating on that system. We are replacing its foundation with something more durable, more equitable, and more aligned with how creative work is actually made.
We are pre-revenue and pre-funding, by design. We have chosen to build deliberately and without external pressure so that the system is structurally sound before it scales. The platform is live in beta, creators are onboarding, and core workflows—from production through distribution—are functioning end-to-end. We are preparing for a public launch in August 2026.
The Role
We are looking for a Founding Full-Stack Software Engineer with deep experience in video platforms, streaming systems, and backend architecture.
This is a senior, hands-on role with real ownership. You will take responsibility for how Sinima evolves from a working beta into a platform that can support creators at scale—without inheriting the inefficiencies of legacy media infrastructure.
You will operate across the full system, shaping APIs, video infrastructure, hosting, intellectual property systems, payments, AI/ML layers, and frontend performance. This role requires judgment. It is not about speed or volume. It is about building systems that are correct, durable, and coherent over time.
Core Technical Responsibilities
You will take ownership of the system end-to-end, with responsibility across architecture, infrastructure, and product execution:
Technical Environment
You will be working within a modern, production-ready environment built on React and TypeScript on the frontend, and PostgreSQL with strict row-level security on the backend. The system uses a serverless edge function architecture for compute, Mux for video ingestion and playback, Stripe for payments and payouts, and a multi-provider approach to AI integrations.
The architecture is API-first, private by default at the data layer, and designed to remain operable and performant with a small, senior team. External services are used where they improve reliability and speed, and infrastructure decisions are made with careful attention to cost across compute, storage, and delivery.
What You Bring
You have experience building or scaling video hosting, streaming, or media platforms and understand the systems that make them work. You are familiar with encoding pipelines, playback systems, and CDN delivery, and have designed backend systems where latency, throughput, and cost are real constraints.
You have worked with Stripe or comparable payment systems in production, ideally including Connect and payout flows. You have experience integrating AI or ML systems into real-world products and understand the implications of inference, cost, and system design.
You are disciplined in how you build. You are comfortable operating in low-structure environments, do not depend on large teams to be effective, and care about systems being correct, not just functional.
How We Build
We operate as a small, senior, highly accountable team. We use AI deliberately where it reduces unnecessary overhead, and we avoid building complexity that does not serve the system.
We are not building a large engineering organization. We are building a precise one.
Structure & Compensation
This is a founding-level role with 2–3% equity, depending on experience and scope. It is designed for someone who is not optimizing for immediate salary, but is thoughtful about long-term value and understands the leverage of joining at this stage.
Where We Are
The product is live in beta, creators are onboarding daily, and the core system is functioning end-to-end. We are entering a phase focused on infrastructure hardening and preparing the platform for public launch.
Why This Work Matters
The infrastructure behind creative work determines who benefits from it. We are rebuilding that infrastructure so that creators retain ownership, control distribution, and participate directly in the revenue their work generates.
Who You Are
This role tends to resonate with engineers who have already operated at a high level and are selective about what they take on next. It is a strong fit for someone who values substance over visibility and can recognize when something is being built with care.
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