Senior Software Engineer - Ruby on Rails

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Software Engineer - Ruby on Rails in United States.

You will join a high-performing engineering team focused on building and improving a large-scale SaaS platform that powers mission-critical financial operations.
This role offers the opportunity to work on a mature product while continuously evolving its architecture, performance, and user experience.
You will contribute to building new features, improving system reliability, and reducing technical debt in a fast-moving but structured environment.
A strong emphasis is placed on collaboration, mentorship, and raising engineering standards across the team.
You will work closely with cross-functional partners to translate customer needs into scalable technical solutions.
This position is ideal for engineers who care deeply about code quality, system design, and long-term maintainability.
It combines hands-on development with technical leadership and meaningful impact on product direction.

• Design, build, and maintain new features within a mature Ruby on Rails-based SaaS platform, ensuring high performance, scalability, and maintainability.
• Collaborate with product, implementations, and engineering teams to translate customer requirements into clear technical designs and production-ready solutions.
• Improve system reliability by focusing on non-functional requirements such as logging, monitoring, security, resiliency, and observability.
• Participate in code reviews, pair programming, and mentoring to elevate engineering practices and support the growth of junior developers.
• Identify and reduce technical debt while contributing to long-term architectural improvements and system modernization efforts.
• Support production systems by diagnosing, troubleshooting, and resolving issues when needed to ensure platform stability.
• Help define engineering standards and promote best practices across coding, testing, and software design.

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Requirements:

• 5+ years of professional experience in Ruby on Rails development, with strong proficiency in JavaScript.
• Solid understanding of software engineering fundamentals, including design patterns, architecture principles, and maintainable system design.
• Experience working on SaaS applications, with exposure to fintech or similar high-scale transactional systems considered a plus.
• Strong collaboration and communication skills, with the ability to work effectively in cross-functional and agile environments.
• Proven ability to write clean, efficient, and well-tested code while avoiding common performance pitfalls.
• Experience mentoring engineers or contributing to team growth through code reviews and pair programming.
• Familiarity with modern engineering tools and technologies such as React, Postgres, Redis, Elasticsearch, AWS, Kubernetes, and observability platforms is a plus.
• Strong team-oriented mindset with humility, accountability, and a focus on shared success.

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Benefits:

• Competitive base salary of $120,000–$140,000 USD
• 10% annual performance bonus
• Fully remote work environment (#LI-Remote)
• Opportunity to work on a large-scale SaaS platform with real financial impact
• Collaborative engineering culture focused on mentorship and continuous improvement
• Exposure to modern cloud infrastructure and scalable distributed systems
• Equal opportunity workplace with a strong commitment to diversity and inclusion
• AI-supported recruitment process with transparency and fairness