Senior Backend Engineer (Ruby on Rails)

TL;DR

Senior Backend Engineer (Ruby on Rails): Maintaining and supporting existing backend services for a university application platform with an accent on API stability, code quality, and system performance. Focus on designing technical solutions, conducting risk mitigation, and mentoring team members through code reviews and best practices.

Location: Must be based in Poland (Warsaw office available for hybrid work).

Company

Newfire Global Partners is a technology firm specializing in building transformative software solutions for healthcare, AI-driven analytics, and enterprise technology sectors.

What you will do

• Maintain and support existing APIs and web services.
• Analyze requirements and develop detailed technical designs.
• Identify project risks and implement mitigation strategies.
• Review code from other developers and provide constructive feedback.
• Establish and enforce coding standards and best practices.
• Ensure high-quality software delivery through rigorous testing.

Requirements

• 5+ years of commercial experience with Ruby on Rails.
• Strong knowledge of OOP, design patterns, and SOLID principles.
• Hands-on experience with unit and integration testing using Minitest.
• Proficiency in SQL databases such as PostgreSQL or MySQL.
• Familiarity with version control systems like Git and the AWS ecosystem.
• Intermediate or higher level of English required.
• Must provide documentation verifying legal work authorization in Poland.

Nice to have

• Experience with Vue 3 and Java.
• Knowledge of Redis and Elasticsearch.
• Basic familiarity with Kubernetes.
• Experience converting business requirements into technical designs.

Culture & Benefits

• Collaborative, innovative, and inclusive team environment.
• Opportunity to work on high-impact projects for global clients.
• Stable client base with a purpose-driven mission.
• Flexible work arrangements with remote and hybrid options.