Senior Full Stack Engineer - Radiance

Stack

Responsibilities

• ▹Design and own the technical architecture of The SOURCE
• ▹Translate creative, brand, and agency workflows into scalable systems
• ▹Build a platform that supports services today and SaaS tomorrow
• ▹Make pragmatic decisions about build vs buy vs automate
• ▹Ship fast, iterate often, and prioritize leverage over perfection
• ▹Build internal tools that reduce scope creep and operational drag
• ▹Integrate AI, automation, and workflow tooling where it adds real value
• ▹Establish technical standards, documentation, and patterns early
• ▹Act as a thought partner to the founder on product vision and sequencing
• ▹Lay the groundwork for future engineering hires and contributors

Requirements

• ▹6-12+ years experience in engineering, product, or technical architecture roles
• ▹Experience building platforms or internal systems from zero to v1 (or beyond)
• ▹Strong product intuition: thinking in systems, not features
• ▹Comfort working in ambiguity with evolving requirements
• ▹Ability to translate non-technical needs into technical solutions
• ▹Pragmatic, opinionated, and execution-focused
• ▹Experience with modern web stacks, APIs, automation, and AI tooling
• ▹Frontend: React / Next.js (or equivalent modern framework)
• ▹Backend: Node.js / Python (FastAPI preferred) or similar
• ▹REST + basic GraphQL understanding
• ▹Authentication, permissions, role-based access experience
• ▹Experience handling real users, real data, real edge cases
• ▹Designing relational and/or hybrid schemas (Postgres + JSON)
• ▹Experience integrating tools via APIs (Stripe, Jira, Webflow, CMSs, CRMs)
• ▹Use of automation tools (Zapier, Make, n8n, Temporal)

Soft skills

About the company

Radiance is a digital design agency powered by The SOURCE, a proprietary Creative OS that aligns every asset, message, and moment into one adaptive brand system. Backed by Infinity Constellation, the first AI holding company, Radiance is building category-defining work at the intersection of brand, systems, and intelligence.