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Tech Lead Full-Stack Rails Engineer

Fullstack Developer • Lead • Remote • Vollzeit

Mitre Media is redefining FinTech with AI-driven tools that empower millions of investors. Its portfolio, including Dividend.com and MutualFunds.com, leverages LLMs to deliver novel data insights and visually rich user experiences. As a Full-Stack Rails Tech Lead, you'll architect and implement LLM-powered web applications within the microservices-based Rails 8 platform, reporting directly to the CTO and working with a small, high-impact team.

Responsibilities

  • Architect and maintain Rails applications (Rails 8)
  • Integrate LLMs into the microservices architecture for state management and real-time user experiences
  • Enhance front-end experiences with Hotwire, StimulusJS, or React, ensuring seamless AI-driven interactions
  • Optimize LLM inference for low latency and cost, using caching and asynchronous processing
  • Shape system architecture and implement core features as a technical leader

Requirements

  • Ruby: 5+ years, expert-level
  • Ruby on Rails (Rails 6-8 preferred)
  • PostgreSQL (or MySQL)
  • Elasticsearch
  • Redis
  • Docker
  • StimulusJS or JavaScript ES6
  • Tailwind CSS, HTML, HTTP
  • Experience integrating AI/ML models (e.g., LLMs, NLP) with web applications
  • Familiarity with LLM frameworks (e.g., LangChain, Hugging Face) or APIs (e.g., xAI, Anthropic)

Nice to have

  • Kubernetes for microservices orchestration
  • React for advanced front-end components
  • Graph databases for complex financial data
  • Contributions to open-source RoR or AI projects

Soft skills

Entrepreneurial mindset with a passion for AI and FinTechNatural leader who mentors and inspires teammatesProblem-solver with a "get things done" mentalityExcellent communication, thriving in remote and cross-team collaborationAttention to detail, ensuring clean, maintainable codeTeam player comfortable as an individual contributor

What we offer

  • Competitive compensation: $160,000-$200,000 CAD/USD (based on experience) and benefits
  • Remote-first (±3 hours from ET) with hybrid in-office collaboration in Toronto or NYC
  • Budget for AI and Rails conferences (e.g., NeurIPS, RailsConf)
  • Access to cutting-edge AI tools for experimentation
  • Direct collaboration with the CEO and CTO, with freedom to innovate

About the company

For over a decade, Mitre Media has served individual investors, financial advisors, and top asset managers like BlackRock and Vanguard through premium data, tools, and advertising solutions. It's a lean, entrepreneurial team fostering a culture of trust, innovation, and dynamism.

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