Senior Full-Stack Ruby on Rails Developer

As a Senior Ruby on Rails Developer, you'll play a key role in scaling our platform and driving AI-powered features that transform legal operations. You'll take ownership of architecture, development, and innovation in a modern, collaborating closely with a small, high-performing team., * Design & Build Features: Hands-on full-stack development using Ruby on Rails 7+, MongoDB, Redis, and modern frontend tools (Hotwire, Turbo, Stimulus, ViewComponent) to deliver scalable, user-centric features.

• AI & Automation: Integrate and develop AI-powered capabilities, including LLM integrations, prompt engineering, automated contract generation/review/extraction, and intelligent workflows.
• Scaling & Performance: Optimize the platform for growth, building high-performance, maintainable solutions (e.g., modular monolith architecture).
• Deployment & Infrastructure: Work with our production-grade deployment setup using Kamal (zero-downtime Docker-based deploys) on Hetzner cloud infrastructure.
• Frontend Excellence: Build responsive, maintainable UIs with Tailwind CSS, JavaScript, and a strong component-based architecture (ViewComponent + Stimulus).
• Code Quality & Best Practices: Write clean, testable code (RSpec), conduct code reviews, and drive engineering standards.
• Tech Ownership & Collaboration: Influence architectural decisions, mentor team members, and work closely with product, leadership, and other developers to translate business needs into technical solutions.
• Stay Cutting-Edge: Keep up with Rails advancements, AI/ML trends, and legal-tech developments to bring fresh ideas to the table.

Our Tech Stack

• Backend: Ruby on Rails 8 Sidekiq, MongoDB, Redis
• Frontend: ViewComponent, Stimulus, JavaScript, Hotwire, Tailwind CSS
• DevOps & Cloud: Docker, Hetzner, Kamal
• CI/CD & Testing: GitHub Actions, RSpec
• AI/LLM integrations and agentic workflows are core to our product.

Experience & Background

• At least 5+ years of professional experience with Ruby on Rails, ideally in SaaS/B2B environments.
• Deep knowledge of modern web technologies and scalable architectures (modular monolith preferred).
• Hands-on experience with AI/ML/LLM integrations (APIs, prompt design, prototyping * production) - proven projects are a strong plus.
• Experience with Tailwind CSS, modern JavaScript, and component-based frontend architecture.
• Familiarity with Kamal deployments and/or Hetzner infrastructure is highly advantageous.
• Product mindset: You focus on delivering real user value through technology.
• Experience in knowledge-intensive domains (legal tech, compliance, finance) is a big advantage.
• Comfortable in agile teams, code reviews, and small, fast-moving environments.

Core Competencies

• Strong problem-solving and ability to ship high-quality features quickly.
• Curious, experimental mindset - enjoy exploring new tools and solving open-ended challenges
• Excellent communication and collaborative spirit.
• Proactive ownership with minimal supervision.

• Competitive compensation with meaningful equity upside
• High impact - your work directly shapes how companies digitize legal work.
• AI-first culture - central role for artificial intelligence in our platform.
• Flexible, hybrid environment with flexible hours and minimal overhead meetings.
• Growth opportunities - small A-player team that pushes each other, access to conferences/training.
• All the tools and equipment you need to succeed.

We are global pioneers in digital therapeutics, successfully launching our first product in 2001.

Our mission is to develop clinically validated digital therapeutics that empower patients, payers, and physicians with effective, FDA cleared products that have the same effect sizes as drugs.

Our products are created by our team of multidisciplinary experts, covering all competencies required to develop, launch and maintain top-of-class products for major markets. Our team includes experienced physicians and psychotherapists, clinical scientists experienced in orchestrating Phase II & III trials, IT and software engineers, regulatory affairs experts as well as market access specialists.