AllCare.ai is hiring a Tech Lead (AI + Full Stack/ .Net) - Hands-On Builder

About InVitro Capital InVitro Capital is a U.S.-based venture studio and fund. We build and fund companies from idea to exit, focusing on technology-driven businesses that solve real-world problems. Our portfolio spans healthcare, home services, and sales technology. Our engineering philosophy is simple: small senior teams, extreme ownership, hands-on builders, and AI-native products. We operate with a builder culture where engineers have end-to-end responsibility for launching and scaling AI-powered products across the studio. Role Overview We are looking for an exceptionally strong Tech Lead (AI + Full Stack) who codes every day and leads through architecture, execution, and example. This role is designed for elite senior builders who thrive in zero-to-one environments, enjoy solving complex problems, and can ship production-grade systems quickly. You will: - Architect core systems - Build them with your own hands - Integrate AI tooling & agents - Mentor engineers through technical leadership - Drive engineering excellence across multiple ventures This is not a people-management role — it is a high-impact IC leadership role. What You’ll Do Build & Lead With Technical Depth (70–90% hands-on) - Architect, build, and ship backend and full-stack systems end to end. - Lead engineers through code reviews, architecture reviews, and solid technical decision-making. - Own engineering execution across multiple ventures. Design Scalable, AI-Native Architectures - Build modular APIs, distributed systems, and cloud-native microservices (Azure). - Integrate AI models, retrieval workflows, and multi-agent systems into production applications. - Work with Python, OpenAI, LangChain, LlamaIndex, vector databases, and agent toolchains. Engineer With Excellence - Write high-performance, production-grade code (C#/.NET as primary). - Use Python for AI workflows, automation, and data integrations. - Build systems optimized for reliability, performance, and observability. Full-Stack Ownership - Collaborate with frontend engineers to deliver seamless end-to-end experiences. - Design clean APIs, interfaces, and developer workflows. DevOps + Cloud Execution - Manage CI/CD pipelines, IaC, and Kubernetes deployments on Azure. - Ensure systems are scalable, fault-tolerant, secure, and well-instrumented. Technical Leadership & Mentorship - Mentor engineers and uplift technical standards across the stack. - Provide architectural direction and guide complex technical initiatives. - Contribute to hiring and shaping engineering culture.