Melius

Senior Software Engineer

New York City · Senior

Sponsorship not specifiedDetected 59 days ago

TypeScriptNext.jsFull-Stack DevelopmentPostgreSQLTemporalAI Orchestration

About the role

You'll work across the entire stack: Next.js and a real-time multiplayer canvas on the frontend, Typescript / Postgres / Temporal on the backend, and the agent orchestration layer that ties everything together.
We value engineers who move quickly, think from first principles, and care deeply about product quality and user experience.

Build and ship product across the full stack, from frontend interactions to backend infrastructure and orchestration systems.
Design new tools and capabilities for our agents: what they can see on the canvas, what they can modify, and how they communicate reasoning back to users.
Build infrastructure for long-running, multi-step creative workflows, including branching, retries, and human-in-the-loop interactions on top of Temporal.
Develop evals, traces, and internal tooling to measure and improve agent quality over time.
Work closely with founders, design, and product to define the future of AI-native creative workflows.
Experience building frameworks, tooling, and interfaces for agents
Strong taste for product quality, interaction design, and developer craftsmanship.

3+ years of experience building production software at high-growth technology companies or startups.
Strong experience with TypeScript across both frontend and backend systems.
Product-minded engineer with strong ownership and the ability to operate autonomously.

Rethink how creatives interact with AI systems through interfaces that go beyond traditional chat experiences.
Improve agent planning and orchestration loops so the system selects the right models, workflows, and next actions autonomously.
a collaborative workspace where humans and agents generate, edit, and orchestrate images and videos together.

This listing is sourced directly from Melius's careers page and normalized into a canonical job model.