Top 10 highest paying companies that use Ruby on Rails

Cash compensation of $250K - $350K with meaningful equity compensation as the Founding Engineer of a new business.

Assembly is a vertically-integrated, technology-native holding company that acquires industrial real estate. We take an AI-native approach across the full surface area of our business; data-based geography selection, owner outreach, due diligence, deal structuring / scenario analysis, property & tenant management, and more. Our intention is to build one of the largest real estate companies in the world, and to be the most technology-native real estate owner in history. We are hiring a Founding Engineer (Full-Stack) to design and build our proprietary technology stack from inception. You will own the development of our tech stack and have significant autonomy to build. Experience with Python, React / TS, LLM APIs, data pipelines, Ruby, Ruby on Rails, web scraping and entity resolution are relevant. Cash compensation of $250K - $350K with meaningful equity compensation as the Founding Engineer of a new business. To apply, please reach out to swc@assemblygh.com.

~$200k–$350k+ base depending on level + meaningful equity + 40% performance bonus.

We're building the AI operating system for CPG brands like OLIPOP, Tropicana, Dr. Squatch, Chobani, and 200+ others. Our customers manage over $40B in revenue on Confido. We grew 5x last year and are on track to 4x again this year. We’re hiring across multiple engineering teams: Applied AI Engineers, MLOps Engineers, Backend & Full-Stack Software Engineers, Infrastructure Engineers, Forward Deployed Engineers. Tech stack: Python, Rails, TypeScript, PostgreSQL, AWS, Kubernetes, LLMs, distributed systems, and modern AI infrastructure. Compensation: ~$200k–$350k+ base (depending on level) + meaningful equity + 40% performance bonus. Location: On-site in Chelsea, NYC.

Base salary $250,000–$330,000 plus meaningful equity. $5k/month budget for AI tools.

Tremendous is the global platform built for businesses to send payouts—gift cards and money—to anyone, anywhere, instantly. We're trusted by 20,000+ organizations, from startups to giants like Atlassian, MIT, and United Way, to reach millions of recipients worldwide. We're profitable and growing without outside investors. We're fully remote, with a high-documentation, low-meeting culture. We're making our first dedicated security hire: Head of Security (player-coach). You'll own Tremendous' security posture end-to-end, partnering with Engineering on production infrastructure and code security. You will assess gaps, prioritize, lead incident response, drive security as a cultural shift, and lead AI-security posture given heavy investment in AI tooling. You will define when and how to staff up the security function and hire your own team. You'll report to the VP of Engineering.

Salary range: $150-$300k

Triumph Financial is building the modern freight payments network powering over $37B in annual volume, aiming to make freight transactions seamless, accurate, and secure. They have open roles for the Carrier vertical: Lead/Staff level engineers (.NET with F# in production or Rails backend) and a Staff Product Manager (two roles: one user-facing and one for operations focused on building efficiencies). Roles are listed on their careers page. Candidates should include “Ash HN” or something similar in referrals and can reach out with questions to aanderson at tfin dot com.

160k-285k (Based on experience) + (Based on Tiered City Location) + H1 and H2 Bonus + Other Benefits, 125k-200k (Based on experience) + (Based on Tiered City Location) + H1 and H2 Bonus + Other Benefits, 148k-239k (Based on experience) + (Based on Tiered City Location) + H1 and H2 Bonus + Other Benefits

Mission-driven. People-powered. Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people.

IC principal roles range $198K–$273K base + equity. Engineering management roles start around $169K base + equity. Compensation described as competitive.

Hiring across engineering in Austin, TX (onsite) for individual contributor and management roles at all levels. Work on a large-scale Ruby on Rails monolith serving thousands of concurrent users, plus frontend and supporting services using React, TypeScript and Node.js. Responsibilities include performance, scalability, developer experience, streaming data infrastructure, mobile platform devops, and security.

Head of Engineering & Infrastructure: $182k - $272k USD. Senior DevOps Engineer: $115k - $180k USD. Benefits: paid time off (2 weeks vacation, 5 statutory holidays, 2 weeks at Christmas, 4-day summer workweeks), annual company retreat, anniversary gift ($200/year), monthly music subscription reimbursement, fully paid maternity & paternity leave.

Hiring for two roles: Head of Engineering & Infrastructure (full ownership of engineering and infrastructure teams, ensure performance and reliability for 12M+ members) and Senior DevOps Engineer (implement infrastructure upgrades, DB tuning, Kubernetes/Helm orchestration, monitoring, security, maintain Rails monolith, CI/CD, participate in on-call rotation and automate DevOps tasks).

$150K-$260K annual total compensation (multiple tiers). Tier 3: $150K-$180K total comp (5-10 years). Tier 4: $215K-$260K total comp (11-20 years).

Prophet Town LLC is a people-first boutique tech agency creating on-demand teams and software solutions for long-standing clients. The leadership team has software engineering backgrounds and continues to code. The agency is remote-first, with some projects involving onsite work. The founder/CEO personally reviews every hire and is seeking engineers who approach their work with ownership. They are especially seeking Back-end, Front-end, and Full-Stack Software Engineers (Tiers 3 and 4). Tier 3 roles typically require 5-10 years of experience; Tier 4 roles require 11-20 years. Many clients are demanding senior/staff engineers with success using modern agentic approaches; candidates should be able to explain where current models work well and where they do not. Applicants must have English fluency. Apply via the provided Google Form.

$180-$250k

At TriumphPay, we are building the transportation payments network for the future. With our payments and audit products, we touch over $50 billion in unique brokered freight transactions across the United States. Our customers use our products to solve real world problems and operate in our software all day every day. This is both exciting and also an incredible responsibility. We are looking for experienced full-stack engineers to join our team of 50+ engineers. You will work closely in a team of 3-5 people on a specific project. Inside this team, you will manage your own backlog and schedule. We rotate teams and work areas quarterly to give you a breadth of experience. We are a fully remote engineering organization that believes strongly in work life balance and strong boundaries. We care about our environment because we know that we do our best work when we are happy and feel valued.

$200–250k + bonus + equity

3Play makes content accessible across disability and language. We’re building new UI experiences on our services. I’m leading the Growth team and looking for a principal-level engineer with strong taste in front-end: someone who cares about UX and styling, takes accessibility and page weight seriously, builds strong validation/testing harnesses, and keeps a dependency tree sane instead of letting it metastasize. Contribute to agents and workflows with influence over how work is specified and parallelized, how results stay beautiful, and where security and review gates live. Opportunity to work with the latest AI tooling and determine best practices as the industry matures. Small team with high impact, high autonomy, and low bureaucracy. Apply and mention HN when you apply.