Tech Lead Full-Stack Rails Engineer
Role Overview
As a Full-Stack Rails Tech Lead, you will architect and implement LLM-powered web applications within a microservices-based Rails 8 platform, collaborating with a small team to deliver user experiences across multiple brands. This senior role involves integrating AI models for state management and real-time interactions, optimizing for low latency and cost, and enhancing front-end experiences with tools like Hotwire or React. You will have a direct impact on shaping system architecture and driving AI-driven innovations in FinTech.
Perks & Benefits
This role offers remote-first flexibility with the requirement to be within 3 hours of Eastern Time, and includes opportunities for in-person collaboration in Toronto or NYC. You'll receive a competitive salary of $160,000–$200,000 CAD/USD, benefits, and a budget for conferences like NeurIPS and RailsConf to support professional growth. The culture emphasizes autonomy, innovation, and trust within a small, no-ego team passionate about making a difference in FinTech.
Full Job Description
About Mitre Media Mitre Media is redefining FinTech with AI-driven tools that empower millions of investors. Our portfolio, including Dividend.com and MutualFunds.com, leverages LLMs to deliver novel data insights and visually rich user experiences. For over a decade, we ve served individual investors, financial advisors, and top asset managers like BlackRock and Vanguard through our premium data, tools, and advertising solutions. Join our lean, entrepreneurial team to shape the future of AI-powered investing from your location 3 hours from Eastern Time. Our users are deeply engaged, spending over 5 minutes per visit with a bounce rate below 10%, researching investments across hundreds of different categories. With 40 million brokerage accounts in the U.S., we take pride in building tools that make a real impact, fostering a culture of trust, innovation, and dynamism. If you re passionate about financial technology and AI, we d love to connect! About the Role As a Full-Stack Rails Tech Lead, you ll architect and implement LLM-powered web applications within our microservices-based Rails 8 platform. Reporting directly to our CTO, you ll collaborate with a small, high-impact team to deliver user experiences across Dividend.com, MutualFunds.com and other brands within our portfolio. This role combines expert Ruby on Rails skills with AI integration expertise, requiring you to leverage LLMs in your development workflow, state management and user interactions. You ll work in a remote-first hybrid environment, which encourages in person collaboration, using ShapeUp to manage projects that trade-off on-time delivery for de-scoped outcomes. As a technical leader, you'll have a seat at the table shaping system architecture, implementing core features all while embracing an entrepreneurial mindset and a get things done mentality. Responsibilities
Architect and maintain Rails applications (Rails 8)
Integrate LLMs into our 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.
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
HTTP
AI Integration
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 Technical Skills
Kubernetes for microservices orchestration
React for advanced front-end components
Graph databases for complex financial data
Contributions to open-source RoR or AI projects
Required Soft Skills
Entrepreneurial mindset with a passion for AI and FinTech
Natural leader who mentors and inspires teammates
Problem-solver with a get things done mentality
Excellent communication, thriving in remote and cross-team collaboration
Attention to detail, ensuring clean, maintainable code
Team player comfortable as an individual contributor
Why Join Us?
Impactful Work: Build AI-powered tools that help millions of investors make informed decisions from data-driven insights.
Cutting-Edge Tech: Work with Rails 8, LLMs, and modern tools like Hotwire, Databricks, and xAI s API in a microservices architecture.
Autonomy and Influence: Collaborate directly with our CEO and CTO to shape our AI-driven platform, with freedom to innovate.
Competitive Compensation: $160,000 $200,000 CAD/USD (based on experience) and benefits.
Remote Flexibility: Remote-first (3 hours from ET) with hybrid in office collaboration in Toronto or NYC
Growth Opportunities: Budget for AI and Rails conferences (e.g., NeurIPS, RailsConf), plus access to cutting-edge AI tools for experimentation.
Dynamic Culture: Join a small, no-ego team passionate about trust, innovation, and making a difference in FinTech.
About Mitre Media s AI-Driven Platform Mitre Media powers premium financial brands like Dividend.com and MutualFunds.com with the Mitre Platform. This platform integrates traditional content management, financial data, first-party data, ad revenue, and subscription tools, all enhanced by LLMs for rich, user-focused experiences. Our data-derived insights delight users, while our advertising solutions deliver unmatched performance for partners like BlackRock and Vanguard, leveraging advanced targeting and first-party data. How to Apply
Submit your resume, GitHub profile, and a brief note on why you re excited about building AI-driven FinTech to jobs@mitremedia.com.
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