Senior Ruby on Rails Engineer - Fully Remote

SOWELO CONSULTING; South Africa; Remote; ZAR 1 387 000; Full time

Job summary

A global consulting firm in South Africa is seeking a Senior Full Stack Engineer to develop and optimize applications. The ideal candidate should have over 5 years of experience with Ruby on Rails and proficiency in JavaScript. This role offers a competitive salary of $80,000 per year and a flexible, remote-friendly work environment.

Benefits

Competitive salary ($80,000 USD per year)

Flexible work environment (100% remote-friendly)

Unlimited PTO

Qualifications

• 5+ years as a Full Stack Engineer with strong Ruby on Rails expertise.
• Proficiency in JavaScript (jQuery, Stimulus).
• Experience in database management, particularly MySQL or AWS.
• Hands-on experience with Heroku, AWS services, and infrastructure as code (Terraform).
• Proven experience with CI/CD pipelines, automated testing suites, and GitHub workflows.
• Excellent problem-solving skills and ability to work independently or as a team.
• Strong attention to detail in maintaining code quality and security standards.

Responsibilities

• Build scalable, high-quality web applications using Ruby on Rails.
• Work with cross-functional teams to design and develop new features.
• Maintain and optimize the frontend with JavaScript frameworks.
• Oversee integration of third-party services.
• Ensure application infrastructure stability on Heroku and AWS.
• Contribute to managing AWS Aurora for MySQL databases.
• Develop and enforce code quality and security standards.
• Drive deployment with CI/CD practices and automated testing.
• Provide guidance to junior engineers.

Skills

Ruby on Rails expertise

JavaScript (jQuery, Stimulus)

Database management (MySQL, AWS)

CI/CD pipelines

Problem-solving skills

Attention to detail

Tools

Heroku

AWS

Terraform

GitHub

Job description

Join our team as a Senior Full Stack Engineer, where you'll play a key role in developing, maintaining, and optimizing applications. Collaborate with product managers, designers, and fellow engineers to enhance features, create new ones, and ensure a scalable and secure architecture.

Key Responsibilities

• Lead Development: Build scalable, high-quality web applications using Ruby on Rails.
• Collaborate: Work with cross-functional teams to design and develop new features for web and mobile platforms.
• Frontend Optimization: Maintain and optimize the frontend with JavaScript frameworks like Turbo and/or Stimulus.
• Integration Management: Oversee integration of third‑party services such as Twilio, SendGrid, and Stripe.
• Infrastructure Stability: Ensure the application’s infrastructure on Heroku and AWS is stable, secure, and scalable to meet growing demand.
• Database Management: Contribute to managing AWS Aurora for MySQL databases, ensuring efficient, reliable access to data.
• Code Quality: Develop, maintain, and enforce code quality and security standards, using tools like Brakeman and Dependabot.
• Deployment Process: Drive deployment with robust CI/CD practices, including automated testing and pull request reviews.
• Mentorship: Provide guidance to junior engineers and participate in code reviews.
• Leverage modern development tools and AI‑assisted coding practices to accelerate feature delivery while maintaining code quality standards.

Required Qualifications

• 5+ years as a Full Stack Engineer with strong Ruby on Rails expertise.
• Proficiency in JavaScript (jQuery, Stimulus).
• Experience in database management, particularly MySQL or AWS.
• Hands‑on experience with Heroku, AWS services, and infrastructure as code (Terraform).
• Proven experience with CI/CD pipelines, automated testing suites, and GitHub workflows.
• Excellent problem‑solving skills and ability to work independently or as a team.
• Strong attention to detail in maintaining code quality and security standards.

Nice‑to‑Have Skills

• Experience with third‑party integrations like Twilio, SendGrid, Stripe, ChromeData, and CarFax.
• Familiarity with Airbrake, NewRelic, ElasticSearch, and caching mechanisms (Redis, Memcached).
• Understanding of mobile web app development and responsive design principles.
• Knowledge of Dealer Management Systems (DMS) integrations and vehicle data processing.
• Experience with AI‑powered development tools (GitHub Copilot, Claude, Cursor) and modern development acceleration techniques.

Benefits

• Competitive salary ($80,000 USD per year)
• Flexible work environment (100% remote‑friendly)
• Unlimited PTO

Sounds interesting? Send us your CV by applying to this page

The provision of personal data by you is fully voluntary and the basis for their processing is your consent. We have prepared some necessary information, you can find in document: "Information regarding the processing of your personal data". There you will find how your Personal Data is being processed and what your rights are in connection to this.

The personal data will be processed by Sowelo Consulting spółka z ograniczoną odpowiedzialnością with its registered seat in Cracow (LLC) registered in National Court Register (KRS) under no. 0000671136, our Employees and Subcontractors (jointly referred to as the Company).

/ October 1, 2025, Sowelo Consulting spółka z ograniczoną odpowiedzialnością spółka komandytowa (limited partnership with KRS no. 0000680493) merged with Sowelo Consulting spółka z ograniczoną odpowiedzialnością (limited liability company with KRS no. 0000671136). As of the merger date, all existing rights and obligations of the limited partnership were transferred to the limited liability company, based on the principle of general succession. /

Sowelo Consulting sp. z o.o. (LLC) is entered in the register of employment agencies under the number: 35288

IT Recruitment Poland | Executive Search | Recruitment Process Outsourcing