Infinity Constellation
Senior Full Stack Engineer - Radiance
1mo ago
SeniorRemote
Senior Full Stack Engineer role to architect, build, and evolve an internal system into a scalable platform supporting agency workflows and SaaS expansion.
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: you think 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
- Bias toward leverage, simplicity, and compounding value
Nice to have
- Experience building tools for agencies, creative teams, or knowledge workers
- Exposure to AI workflows, LLMs, or automation systems
- Experience scaling internal tools into external-facing products
- Interest in brand, design, storytelling, or creative systems
- Prior founding or early-employee experience
Conditions
- Founding technical seat in a platform-led creative company
- Direct influence on product, architecture, and company direction
- Build something that blends brand, creativity, and intelligence
- Move fast without corporate drag
- Remote-first, async-friendly, outcomes-driven culture
- Backed by Infinity Constellation with long-term ambition
Other
- 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.
- We combine human-crafted design with intelligent systems to help modern brands operate with clarity, speed, and cohesion. Every engagement we deliver is not just creative output, but infrastructure : systems that scale as our clients grow.
- At the center is The SOURCE® , a platform blending design, AI, and automation into a single evolving system for brand truth, execution, and growth.
- We are backed by Infinity Constellation , the first AI holding company, and are building something category-defining at the intersection of brand, systems, and intelligence.
- Radiance is moving from services-first → platform-powered .
- We are looking for a Senior Full Stack Engineer to help architect, build, and evolve The SOURCE® from a powerful internal system into a scalable platform that supports both our agency workflows and future SaaS expansion.
- This is not a “ticket-taking” role. This is a role for someone who wants to shape the product, the architecture, and the technical philosophy from the ground up.
- You’ll work directly with the founder to translate creative workflows, brand logic, and operational complexity into elegant systems that compound over time.
- 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 actually adds value
- Establish technical standards, documentation, and patterns early
- Act as a thought partner to the founder on product vision and sequencing
- Help define what Radiance should and should not build
- Lay the groundwork for future engineering hires and contributors
- Own outcomes, not just code
- 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
- Handling real users, real data, real edge cases
- Designing relational and/or hybrid schemas (Postgres + JSON)
- Modeling entities like: Brands
- Assets
- Campaigns
- Messaging hierarchies
- Versions / approvals / history
- Understanding how systems evolve without breaking
- Integrate tools via APIs (Stripe, Jira, Webflow, CMSs, CRMs)
- Use automation tools (Zapier, Make, n8n, Temporal, etc.)
- Design async workflows (approvals, handoffs, notifications)
- Build internal dashboards and admin tools
- Prompt engineering for structured outputs
- Embedding LLMs into workflows
- Using vector databases (Pinecone, Weaviate, Supabase, etc.)
- Designing guardrails for brand voice + consistency
- Knowing when NOT to use AI
- Scope ruthlessly
- Ship v1 fast
- Iterate with live users (your team first)
- Make tradeoffs without paralysis
- You want to build systems that compound
- You enjoy shaping products from first principles
- You care about how humans actually work, create, and decide
- You like autonomy and responsibility more than structure
- You want equity in what you build
- You want highly defined specs and long planning cycles
- You prefer maintaining existing systems over creating new ones
- You’re looking for a narrow engineering role
- You’re uncomfortable with ambiguity or iteration