Tech Lead Full-Stack Rails Engineer

Mitre Media is redefining FinTech with AI-driven tools empowering millions of investors. As a Full-Stack Rails Tech Lead, you'll architect and implement LLM-powered web applications within a microservices-based Rails 8 platform, reporting directly to the CTO. You'll collaborate with a lean team to deliver user experiences across Dividend.com, MutualFunds.com, and other portfolio brands. Responsibilities: Architect and maintain Rails applications (Rails 8), integrate LLMs into microservices architecture, enhance front-end experiences with Hotwire/StimulusJS/React, optimize LLM inference for low latency and cost using caching and asynchronous processing. Required Skills: Back-end: Ruby (5+ years expert-level), Rails 6-8, PostgreSQL/MySQL, Elasticsearch, Redis, Docker. Front-end: StimulusJS or JavaScript ES6, Tailwind CSS, HTML, HTTP. AI Integration: Experience integrating AI/ML models and familiarity with LLM frameworks (LangChain, Hugging Face) or APIs (xAI, Anthropic). Nice-to-Have: Kubernetes, React, graph databases, open-source contributions. Required soft skills: Entrepreneurial mindset, natural leader mentoring teammates, problem-solver with "get things done" mentality, excellent communication in remote collaboration, attention to detail. Why Join: Build AI-powered tools helping millions of investors. Work with Rails 8, LLMs, modern tools like Hotwire and Databricks in microservices architecture. Direct collaboration with CEO and CTO shaping the AI platform. Competitive compensation, remote-first flexibility (±3 hours ET) with hybrid options in Toronto/NYC, conference budgets (NeurIPS, RailsConf), cutting-edge AI tools access, dynamic no-ego culture focused on trust and innovation.