Software Development Engineer - Ruby On Rails - Remote Eligible

Senior Ruby on Rails Contractor

This person will be responsible for building targeted in product messages for users with advanced targeting logic and integration without breaking existing UI and features. The candidate will work with sponsor as the PM and occasionally designers.

Opportunity to work in a fast paced / start up style environment, get to do work that matters, nimble high impact team where results are measured – will directly know if the product/features was successful or not.

Join a fast-moving team building modern, high-impact software products. The Senior Ruby on Rails Contractor role requires the ability to move fast, own projects end-to-end, and deliver production-ready features with minimal oversight. Work spans a modern stack—Ruby on Rails, React, TypeScript, and MySQL—to ship features that make a real difference.

This role is ideal for individuals who thrive in an environment where progress is achieved through iteration and initiative, not waiting for perfect specifications.

Responsibilities

• Design, build, and maintain scalable backend services in Ruby on Rails.
• Develop and enhance front-end features using React and TypeScript.
• Write efficient, maintainable SQL for MySQL databases.
• Take ownership of projects from concept to production.
• Debug, optimize, and ship code quickly with attention to quality.
• Collaborate directly with product and design teams to define technical solutions.
• Ensure code quality through thoughtful reviews and testing.

Qualifications

• 9 years of professional experience with web development.
• Strong knowledge of Ruby on Rails, React, and TypeScript.
• Deep understanding of MySQL schema design and performance tuning.
• Proven ability to work independently and deliver results quickly.
• Excellent communication and problem-solving skills.
• Comfortable working in a remote, async-first, and fast-moving environment.

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.