ClientFirst Labs Ltd | Contract

Senior Rails Developer

Remote Job | Posted on 02/04/2025

No longer accepting applications

Job Information

  • Date Opened 02/04/2025
  • Industry Technology
  • Job Type Contract
  • Salary $30 CAD/Hour
  • Work Experience 4-5 years
  • Remote Job

About Us

About ClientFirst Labs

Client First Labs is a staff augmentation agency specializing in software development for small and medium-sized businesses (SMBs). We work primarily with software studios that need highly skilled developers to build and maintain scalable, high-quality applications. Our mission is to provide top-tier engineering talent who are self-directed, deeply knowledgeable, and committed to solving real business problems.

At ClientFirst Labs, we believe in fostering collaboration, mentorship, and continuous learning. Our developers don’t just write code—they help shape the product, optimize development workflows, and mentor other team members to elevate the entire engineering team.

What We Do

  • Provide highly skilled developers who integrate seamlessly into client teams.

  • Ensure best practices in software architecture, code quality, and performance optimization.

  • Support long-term product development for startups and SMBs.

  • Offer expertise in Ruby on Rails, API development, UI implementation, and scalable system architecture.

  • Drive mentorship and knowledge-sharing to improve development teams.

Why Work With Us?

We believe that everyone brings unique perspectives and skills to the table, and that true collaboration comes from treating each other as equals. In our team, no one’s ideas are overshadowed—your voice matters. You'll have the opportunity to shape client outcomes, offer insights that guide decisions, and take the lead when needed.

You'll build products from the ground up, making key decisions and seeing the real impact of your work. You'll test hypotheses, refine solutions, and stay closely connected to the client’s needs, ensuring the best possible outcome.

We’re deeply committed to growth and development. We support our developers in upskilling, taking ownership of projects, and moving closer to their personal and professional goals.

Our Core Values

  • Technical Mastery – We build high-quality, scalable applications using modern tools and best practices.

  • Mentorship & Learning – We provide structured mentoring and knowledge-sharing to improve teams.

  • Business-Driven Engineering – We prioritize practical, outcome-oriented solutions that align with business goals.

  • Self-Direction & Initiative – Our developers are proactive problem solvers who require minimal supervision.

  • Collaboration & Empathy – We foster open communication, teamwork, and emotional intelligence in our work culture.

Industries We Serve

  • Software Development Studios – Augmenting teams with senior developers.

  • Startups & SMBs – Supporting rapid development and scaling of new products.

  • SaaS Companies – Providing backend and API development expertise.

  • E-commerce & Fintech – Enhancing product capabilities and system performance.

With a focus on technical excellence, mentorship, and business-driven engineering, Client First Labs is the trusted partner for software studios looking to build scalable, high-impact products.


Job Description

This is a remote position.

Title: Senior Ruby on Rails Developer (Remote)

About Us:

Client First Labs is a staff augmentation agency working with software studios that build products for SMBs. We focus on problem-solving, best practices, and mentorship while delivering high-quality Rails applications.

What You’ll Do:

  • Conduct code reviews and enforce best practices

  • Lead workshops/training sessions for developer teammates

  • Solve 90% of escalated technical issues within 24 hours

  • Define and implement reusable architectural patterns

  • Ensure modern Rails methodologies are adopted (e.g., Hotwire, API-first design)

  • Implement UI designs provided by a designer with precision

  • Independently start and complete feature development tasks

  • Develop scalable architectural patterns (e.g., service objects, API design)



Requirements

What We’re Looking For:

✅ 3+ years of Ruby on Rails experience 

✅ Expertise in MVC patterns, ActiveRecord, and Rails best practices 
✅ Strong mentoring and  code review skills  
  Proactive problem-solving  with a business-focused approach
✅ Experience working  remotely on multiple projects  
  Fluent English communication skills
 Experience with Hotwire, API-first design, or background jobs
✅ Familiarity with  DevOps tools (Heroku, AWS, etc.)

Nice to Have:

  • Contributions to open-source Rails projects

  • experience with mobile development using React Native with Rails API



Benefits

Why Work With Us?

We believe that everyone brings unique perspectives and skills to the table, and that true collaboration comes from treating each other as equals. In our team, no one’s ideas are overshadowed—your voice matters. You'll have the opportunity to shape client outcomes, offer insights that guide decisions, and take the lead when needed.

You'll build products from the ground up, making key decisions and seeing the real impact of your work. You'll test hypotheses, refine solutions, and stay closely connected to the client’s needs, ensuring the best possible outcome.

We’re deeply committed to growth and development. We support our developers in upskilling, taking ownership of projects, and moving closer to their personal and professional goals.

Our Core Values

  • Technical Mastery – We build high-quality, scalable applications using modern tools and best practices.

  • Mentorship & Learning – We provide structured mentoring and knowledge-sharing to improve teams.

  • Business-Driven Engineering – We prioritize practical, outcome-oriented solutions that align with business goals.

  • Self-Direction & Initiative – Our developers are proactive problem solvers who require minimal supervision.

  • Collaboration & Empathy – We foster open communication, teamwork, and emotional intelligence in our work culture.

Industries We Serve

  • Software Development Studios – Augmenting teams with senior developers.

  • Startups & SMBs – Supporting rapid development and scaling of new products.

  • SaaS Companies – Providing backend and API development expertise.

With a focus on technical excellence, mentorship, and business-driven engineering, Client First Labs is the trusted partner for software studios looking to build scalable, high-impact products.