Tech Lead Full-Stack Rails Engineer

Mitre Media Corp.; United States; Remote; USD 160,000 - 200,000; Full time

Benefits offered by this job

Remote-first

Hybrid in NYC/TO

Conference budget

Job summary

Mitre Media in the United States seeks a Full-Stack Rails Tech Lead to architect and implement LLM-powered web apps on a Rails 8 microservices platform. You’ll report to the CTO and collaborate with a small, high‑impact team across Dividend.com and MutualFunds.com to deliver AI-driven user experiences.

This remote-first, hybrid role values hands-on coding with Hotwire/StimulusJS or React, optimizing LLM inference and state management, and shaping system architecture with an entrepreneurial

Qualifications

• 5+ years of back-end Ruby on Rails experience.
• Strong AI integration experience with LLMs, NLP, or similar.
• Experience with microservices and Rails 8.

Responsibilities

• Architect and maintain Rails applications (Rails 8).
• Integrate LLMs into microservices for state management and real-time UX.
• Enhance front-end with Hotwire/StimulusJS or React for AI-driven interactions.
• Optimize LLM inference for low latency and cost.

Skills

Ruby

Ruby on Rails

PostgreSQL

Elasticsearch

Redis

Docker

Kubernetes

StimulusJS

React

Tailwind CSS

HTML

HTTP

AI integration

LangChain/HuggingFace

xAI API

Tools

Docker

Kubernetes

Redis

PostgreSQL

Elasticsearch

React

Hotwire

StimulusJS

Tailwind CSS

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

• 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, inno