Senior Fullstack Engineer – Rails & React, Remote

Monterail; Województwo pomorskie; On-site; PLN 357,817 - 715,635; Part time

Job summary

Monterail is seeking a product-minded full-stack engineer for remote collaboration through Monterail Tech Network. You will work on a B2B SaaS platform that handles real-time messaging and dashboards, moving features from concept to production with ownership across the lifecycle.

You will actively contribute to developer experience, design and UX, and communicate estimates and timelines clearly. This freelance role emphasizes delivering high-quality code with minimal hand-holding while

Qualifications

• Must be a full-stack craftsman with Rails and React
• Empathy for developers and focus on developer experience
• Thrives in ambiguity and ships with minimal hand-holding
• Owns features from code to production metrics
• Proactive communicator with realistic estimates
• Familiar with AI coding assistants and quality control
• Good design and UX instinct

Responsibilities

• Take features from concept to shipped production, including dashboards, billing UIs, and docs platforms
• Own developer-facing tools and ensure quality end-to-end
• Propose what should be built, not wait for a roadmap
• Use the product daily and fix frustrations you would want fixed

Skills

Ruby on Rails

React

Developer experience

Ownership

Communication

AI assistants

UX intuition

Tools

Ruby on Rails

React

TypeScript

Node.js

PostgreSQL

Job description

Monterail is seeking a product-minded full-stack engineer for remote collaboration through Monterail Tech Network. You will work on a B2B SaaS platform that handles real-time messaging and dashboards, moving features from concept to production with ownership across the lifecycle.

You will actively contribute to developer experience, design and UX, and communicate estimates and timelines clearly. This freelance role emphasizes delivering high-quality code with minimal hand-holding while