Mid Fullstack Engineer

2 days ago

Pune, Maharashtra, India Tech9 Full time ₹ 6,00,000 - ₹ 12,00,000 per year
Mid Full Stack Engineer (Ruby on Rails) – India

About Us
Tech9 is shaking up a 20-year-old industry, and we're not slowing down. Recognized by Inc. 5000 as one of the nation's fastest-growing companies, we are dedicated to building innovative, highly complex web applications. Our team is passionate about delivering quality software that meets the highest standards. We offer a 100% remote working environment with a collaborative and supportive team, allowing you to focus on what you do best.

Role Overview
We are looking for a Mid Full Stack Engineer with deep expertise in Ruby on Rails to join our growing team. In this role, you will design and implement scalable backend systems and APIs, build and optimize high-performance workers using Sidekiq, and contribute to improving a large legacy codebase while developing new features.

The ideal candidate is self-motivated, proactive, and comfortable working with legacy systems, while also driving forward new development. Experience with Kotlin is a plus, but not required—you will have the opportunity to learn it as part of our ongoing projects.

Responsibilities

Backend Development: Design, build, and maintain Ruby on Rails applications with a focus on API endpoints and event-driven systems.Worker Systems: Develop and optimize high-performance workers using Sidekiq to handle large-scale event processing.Full Stack Ownership: Contribute across the stack, ensuring seamless integration between backend and frontend systems.Legacy System Improvements: Refactor and modernize existing codebases, reduce technical debt, and improve maintainability.Collaboration: Work closely with product managers, designers, and other engineers to deliver high-quality solutions.Proactive Problem-Solving: Anticipate issues, propose improvements, and take initiative in both technical and process areas.Mentorship: Support junior developers by sharing best practices and encouraging a culture of code quality and continuous improvement.Continuous Learning: Stay up to date with industry trends, and be open to learning Kotlin and other technologies as needed.
 

Minimum Qualifications

Candidate must be located in India.Candidate must be able to join in 45 days or less. 3-5 years of professional software engineering experience.Strong expertise with Ruby on Rails, particularly in building APIs and event-driven systems.Proven experience with Sidekiq (or similar background job processing frameworks).Experience working with legacy codebases and improving technical debt.Self-motivated, proactive, and able to work independently in a remote team environment.Strong communication skills to collaborate effectively with global teams.
 

Preferred Qualifications

Experience with Kotlin (or willingness to learn on the job).Familiarity with modern frontend frameworks (React, Vue, or similar).Strong database knowledge (e.g., PostgreSQL, MySQL).Experience in cloud environments (AWS preferred).
 

Why Join Us?

Challenging Work: Improve large-scale legacy systems while building new, high-performance features.Flexibility: 100% remote role based in India with flexible hours.Collaboration: Join a supportive, global team of engineers and innovators.Growth: Opportunity to expand your skill set, including learning Kotlin and other cutting-edge technologies.
 

Hiring Process

Our hiring process is designed to be thoughtful, efficient, and focused on both technical ability and team fit:

  1. 30-minute on-demand HireVue screening – Situational and behavioral questions to understand your ownership mindset, adaptability, and approach to collaboration.
  2. 10-minute virtual Q&A with our recruiter – A conversation to clarify the role and answer your questions (not an interview).
  3. 60-minute live technical interview – Conducted with a member of our engineering team.
  4. 15–30 minute chat with the hiring manager – To align on expectations and culture fit.
  5. 60-min Technical Interview with Staff Engineer- To align and test your skills for the team.
  6. 30–60 minute client session – Final step to ensure alignment with client needs.

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