Tech Stack

Ruby on RailsRubyPostgreSQLMySQLElasticsearchRedisDockerStimulusJSJavaScriptTailwind CSSHotwireReactLangChainKubernetesDatabricks

About the role

Role Overview

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. This role combines expert Ruby on Rails skills with AI integration expertise while providing technical leadership and mentorship to a small, high-impact team.

Key Responsibilities

Architect and maintain Rails applications (Rails 8) within a microservices architecture
Integrate LLMs into the platform for state management and real-time user experiences
Enhance front-end experiences with Hotwire, StimulusJS, or React for seamless AI-driven interactions
Optimize LLM inference for low latency and cost using caching and asynchronous processing
Shape system architecture and mentor team members
Deliver user experiences across Dividend.com, MutualFunds.com, and other portfolio brands

Required Technical Skills

Back-End:

Ruby (5+ years, expert-level)
Ruby on Rails (Rails 6-8 preferred)
PostgreSQL or MySQL
Elasticsearch
Redis
Docker

Front-End:

StimulusJS or JavaScript ES6
Tailwind CSS
HTML and HTTP

AI Integration:

Experience integrating AI/ML models (LLMs, NLP) with web applications
Familiarity with LLM frameworks (LangChain, Hugging Face) or APIs (xAI, Anthropic)

Nice-to-Have Skills

Kubernetes for microservices orchestration
React for advanced front-end components
Graph databases for complex financial data
Open-source contributions to Rails or AI projects

Required Soft Skills

Entrepreneurial mindset with passion for AI and FinTech
Natural leader who mentors and inspires teammates
Problem-solver with "get things done" mentality
Excellent communication and remote collaboration skills
Attention to detail for clean, maintainable code

Why Join Us

Build AI-powered tools impacting millions of investors
Work with cutting-edge tech: Rails 8, LLMs, Hotwire, Databricks, xAI API
Direct collaboration with CEO and CTO to shape the AI-driven platform
Remote-first with optional hybrid collaboration in Toronto or NYC
Budget for AI and Rails conferences (NeurIPS, RailsConf) and AI experimentation tools
Dynamic, small team with no-ego culture focused on trust and innovation

About Mitre Media

Mitre Media is a FinTech company redefining investment tools with AI-driven technology. Their portfolio includes Dividend.com and MutualFunds.com, serving millions of individual investors, financial advisors, and top asset managers like BlackRock and Vanguard with premium data, tools, and advertising solutions.