Senior Fullstack Developer - Freelancer (Ruby on Rails and TypeScript)

Monterail Sp. z o.o. has over 150 experts and has completed more than 900 projects. The company builds web and mobile applications for startups and industry leaders worldwide, specializing in Ruby on Rails, Vue.js, and related technologies.

• A Full-Stack Craftsman: Expert in Ruby on Rails and TypeScript, capable of building complex dashboards, billing UIs, and documentation platforms.
• The "DevEx" Champion: Develop deep knowledge of the platform (Pub/Sub, Chat, LiveSync) and use the product to understand the developer experience.
• Comfortable with Ambiguity: Able to take a feature from a loose concept to a shipped product with minimal guidance, identifying problems and proposing solutions independently.
• Accountable & Reliable: Produces high-quality, well-tested code, meets delivery commitments, provides realistic estimates, and communicates proactively about timelines.
• An Owner: Monitors production features and takes personal ownership of quality issues throughout the feature lifecycle.

• We’re looking for a Senior Fullstack Developer - Freelancer (Ruby on Rails & Typescript).