Lead Full Stack Developer

Our client is a fast-growing, founder-led AI software company building a modern social media platform for businesses, creators, and agencies. The product helps users create, schedule, automate, and scale high-quality social content using AI-powered workflows. This is a strong opportunity for an engineer who wants to work close to an experienced founder, build meaningful AI product features, and help shape the architecture of a growing platform rather than simply maintain another standard SaaS application.  About the Role We're looking for a hands-on Lead Full Stack Engineer to help build and scale modern, AI-powered applications where LLMs, automation, agents, and intelligent workflows are core to the product. You'll lead both technical direction and hands-on delivery, working across backend, frontend, cloud infrastructure, AI integrations, and product architecture. This role is ideal for someone who can think like a builder, move quickly, make smart engineering decisions, and help the team use AI to ship faster without compromising quality. What You'll Do - Lead development of full-stack systems using Python and modern frontend frameworks such as React or Angular - Design, build, and ship AI-powered product features using LLMs, RAG, embeddings, agents, and AI APIs - Architect scalable backend services, APIs, data flows, and distributed systems - Make key technical decisions around system design, architecture, tooling, cloud infrastructure, and AI model usage - Build reliable integrations with third-party platforms, AI providers, social media tools, and internal product systems - Improve performance, security, observability, scalability, and reliability across the platform - Oversee cloud infrastructure across AWS, Azure, or GCP - Guide engineers on best practices across code quality, architecture, testing, reviews, and delivery - Help the team adopt AI-assisted development workflows to improve speed, quality, and productivity - Work closely with the founder and product team to turn ideas into production-ready features quickly What We're Looking For - 5+ years of full-stack software engineering experience - Previous experience leading technical decisions, mentoring engineers, or owning major product areas - Strong backend experience with Python, ideally using Django, FastAPI, Flask, or similar - Strong frontend experience with TypeScript and React or Angular - Proven experience building and scaling APIs, backend services, and production-grade systems - Experience with cloud platforms such as AWS, Azure, or GCP - Strong database experience across SQL and/or NoSQL systems - Experience shipping AI-enabled features into real applications, not just prototypes - Strong product mindset and ability to balance speed, quality, scalability, and user impact AI Experience - Experience integrating AI APIs into real, production-grade applications - Familiarity with RAG, embeddings, vector search, agents, or similar AI application patterns - Comfortable using AI development tools to improve speed, code quality, testing, and delivery workflows - Understanding of common AI limitations and risks, including hallucinations, latency, cost, accuracy, data privacy, and reliability - Ability to think beyond simple API integration and help design practical AI-powered product features that create real user value Nice to Have - Experience with model tuning, prompt optimization, or open-source AI tools - Exposure to AI monitoring, evaluation, observability, or analytics tools - Experience building AI features for marketing, content creation, automation, or social media platforms Working Conditions - Remote work setup - Independent contractor engagement - US working hours

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