Full Stack AI Engineer

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August 8

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Infinity Constellation

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AI • B2B • Fintech

Infinity Constellation is the first AI Holding Company dedicated to helping elite founders build AI companies that can operate at unprecedented speeds. By leveraging advanced AI platforms, Infinity Constellation aims to reinvent traditional venture models, focusing on efficient structures that allow businesses to generate profits rapidly with minimal resources. The company supports its portfolio through various operational services, enabling founders to scale and thrive in the rapidly evolving AI landscape.

1 - 10 employees

Founded 2023

🤝 B2B

💳 Fintech

📋 Description

• We're building AI-native engineering team within Infinity, a holding company building full-stack AI businesses. • Rapidly prototyping new product ideas to validate markets. • Providing flex capacity during high-growth phases. • Maintaining and evolving the Infinity Commons, our shared library of frameworks, prompts, and reusable tools. • We’re looking for scrappy, sharp, execution-focused engineers who thrive in high-context, high-autonomy environments. • Build working prototypes of agentic AI applications, LLM workflows, and full-stack products. • Experiment quickly across frameworks (e.g. LangChain, CrewAI, AutoGen), open source tools, and low-code stacks. • Interface directly with product thinkers and founders to distill ambiguous ideas into testable code. • Occasionally embed with portfolio companies to support launches or unblock execution.

🎯 Requirements

• Fluency in Python and experience using AI toolkits and APIs. • Experience rapidly building and iterating on proof-of-concept or MVPs. • Comfort using a blend of commercial APIs, open source, and low-code tooling to get things done. • Strong problem-solving skills and analytical intuition. • Bonus Points: • Prior work with AI agents, vector databases, or retrieval-augmented generation (RAG). • Experience with frontend development (React, Next.js, etc.). • A background in a STEM discipline, data science, or quant-heavy engineering. • Previous experience in a venture-backed startup or technical founder role.

🏖️ Benefits

• Asynchronous by default, with tight feedback loops and clear ownership. • High-trust, high-autonomy culture that values shipping, learning, and iterating. • Small, elite team of senior builders with experience across AI, product, and infrastructure.