Sr. Ruby on Rails Engineer - AI

Overview

At ForUsAll, we’re revolutionizing the U.S. retirement industry with cutting-edge AI technology. Based in San Francisco, our fintech startup is on a mission to provide cost-efficient retirement solutions for small and mid-sized businesses. Founded by industry pioneers who reimagined 401(k) plans for Fortune 500 companies, we’re supported by top-tier venture capitalists and financial tech experts who share our passion for empowering everyday Americans to achieve financial security.

Founded by industry veterans who previously transformed retirement plans for Fortune 500 companies, we’re backed by top venture capital firms and fintech leaders who share our mission to democratize access to modern, diversified retirement portfolios.

Why This Role?

If you’re ready to move beyond autocomplete tools like Copilot and ChatGPT, and instead learn how to architect the future of AI-driven engineering, this is your invitation.

Ruby engineers are some of the best builders in the world—but let’s be honest : AI is rewriting the rules of software development. GitHub Copilot and ChatGPT are just the tip of the iceberg. The future belongs to engineers who know how to wield agentic coding systems to multiply their output, automate workflows, and build apps that think for themselves.

This isn’t about writing Rails apps the same old way. This is about learning state-of-the-art AI coding techniques that can 20X your productivity, integrating agentic systems into real-world production environments, and setting yourself apart from the engineers who will eventually be replaced.

If you’re a senior Rubyist who wants to evolve - not just survive -the AI revolution, this is your chance.

What You'll Get

• Advanced AI Skills : Learn cutting-edge agentic coding patterns that are still invisible to 99% of developers.
• Future-Proof Career : Secure your place in the next era of engineering by becoming an expert in AI-powered systems.
• Exponential Output : 20X your productivity by combining Ruby mastery with agentic AI frameworks.
• Real Impact : Build production apps that don’t just use AI as a helper—they run on AI.

What You'll Do

Tech Stack & Skills

What We're Looking For

Bonus Points

Why You Should Apply

This isn’t just another Rails gig. This is an opportunity to future-proof your career and become one of the rare engineers who knows how to build with, not against, AI. The market is shifting fast - and the engineers who master agentic coding will be the ones still standing when the dust settles.

If you’ve been feeling that itch - the quiet anxiety that AI might replace you—this is your chance to flip the script and become the one who replaces everyone else.

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