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Senior Fullstack Developer - Freelance (Ruby on Rails & React)

1 month ago
Greece, Poland, Armenia, Georgia
Freelance
Senior
Full-stack Engineer
Software Development
Node.js PostgreSQL React Ruby on Rails TypeScript
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Monterail

Monterail

Monterail specializes in AI-enhanced custom software development, providing scalable web and mobile applications tailored for startups and businesses, backed by a team of over 200 experienced developers, designers, and QA experts.

Internet Software & Services
251-1K
Founded 2010
View All Jobs 4

Description

  • Take features from loose concepts through shipping and production monitoring.
  • Build and maintain dashboards, billing interfaces, documentation platforms, and developer-facing tools.
  • Propose what should be built and help shape product direction rather than waiting for a roadmap.
  • Work across the stack, including frontend and backend development.
  • Identify user problems and fix frustrations in the product as a developer customer.
  • Own features through the full lifecycle, including post-release quality issues and production metrics.
  • Communicate realistic estimates, meet commitments, and flag delivery risks early.
  • Use AI coding assistants for planning, prototyping, and iteration while ensuring shipped quality.

Requirements

  • Strong experience with Ruby on Rails and React.
  • Comfort moving across the stack, including complex dashboards and documentation platforms.
  • Natural empathy for developers and a strong focus on developer experience.
  • Ability to work with ambiguity, identify problems, and propose solutions with minimal hand-holding.
  • Ownership mindset with accountability from first line of code through production metrics.
  • Proactive communication skills, including realistic estimation and early escalation of risks.
  • Comfortable using AI coding assistants in day-to-day work.
  • Good design and UX intuition.
  • Experience building developer-first products or working on B2D platforms (nice to have).
  • Experience with product-led growth products (nice to have).
  • Background in real-time, messaging, or infrastructure-adjacent products (nice to have).

Benefits

  • Remote work arrangement.
  • Freelance collaboration via the Monterail Tech Network.
  • Embedded role within the client's team.
  • ASAP start date.

Interested in this position?

Apply directly on the company website

Apply Now

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