Fullstack Engineer (RoR + React)

About Tech9

At Tech9, we are driven by a clear mission—to empower organizations with AI-centered solutions that make them more adaptable, efficient, and future-ready. With proven expertise in product strategy, UX design, cloud architecture, and AI, our teams deliver purpose-built software that meets today’s needs and anticipates tomorrow’s challenges.

Headquartered in Utah, Tech9 experts collaborate across the United States, Latin America, and India. We offer a remote working environment with a collaborative and supportive culture, allowing you to focus on what you do best.

If you're excited by the opportunity to work in a fast-paced, innovative environment where scaling and building the future of software is key, we’d love to hear from you. Join us as we work together to redefine the world of software development.

About the Role

We’re seeking a talented Senior Software Engineer with strong expertise in Ruby on Rails (RoR) and React to join our growing team.

In this role, you’ll collaborate with other software and QA engineers to build high-quality, scalable web applications from scratch. You’ll work across multiple projects, tackling challenging problems, modernizing existing systems, and contributing to full-stack development across both front-end and back-end technologies.

This is an exciting opportunity for engineers who thrive in collaborative environments, enjoy solving complex technical problems, and want to make an impact through clean, maintainable code and best engineering practices.

Main Responsibilities

• Collaborate with a team of software, data, and QA engineers to develop high-quality web applications from the ground up.
• Perform full-stack web development using Ruby on Rails and React.js, building scalable, performant, and maintainable solutions.
• Work across multiple products and navigate ambiguity effectively.
• Identify, troubleshoot, and resolve bugs and defects in both front-end and back-end codebases.
• Debugging & problem solving
• Support and maintain existing applications and integrations.
• Follow standard software development, testing, and deployment processes.
• Ensure assigned user stories have sufficient clarity and detail for proper implementation.
• Provide reliable time estimates for assigned tasks and features.
• Collaborate with project managers to refine requirements and align on technical approaches.
• Conduct peer code reviews to ensure adherence to coding standards and architectural best practices.
• Make thoughtful recommendations for codebase and process improvements.
• Take ownership of your work, demonstrating curiosity, initiative, and a commitment to quality.
  
  

Minimum Qualifications

• 6+ years of professional software development experience.
• Strong hands-on experience with Ruby on Rails, React and TypeScript.
• Hands-on experience on any cloud environments like AWS/GCP
• Strong hold on db like PostgreSql or MySql
• Must be familiar with sidekiq or any background job processing system
• Strong understanding of code and should be able to refactor the existing code.
• Must have strong understanding of Git flow
• Must have strong understanding of any of the Javascript frameworks
• Proficient in both front-end and back-end development, with a willingness to work across the stack.
• Demonstrated ownership mindset — proactive, curious, and collaborative.
  Skilled at using engineering tools to identify and resolve complex software issues.
• Must have ability to work independently or as part of a team
• Advanced English proficiency (C1 or higher) for clear communication with international teams
• Must be located in India and available to work from 7:00 PM–10:00 PM IST at least three days per week.