Ruby on Rails Developer

Ascendion Engineering; Hyderabad; On-site; INR 1,800,000 - 2,400,000; Full time

Job summary

Ascendion Engineering in Hyderabad is seeking a Senior Ruby on Rails Developer to design and scale SaaS applications. You will own backend services, REST APIs, and authentication workflows using Ruby on Rails 7.x, AWS, MySQL, and RDDB.

The role emphasizes production-grade code with high test coverage and robust integrations with third-party services. You will work in an Agile team, participate in CI/CD, and leverage tools like Datadog for performance monitoring, Sidekiq for job processing, and

Qualifications

• Strong experience building scalable SaaS backend services.
• Production-grade code with high test coverage (RSpec).
• Experience with AWS, Datadog APM, and MySQL recommended.

Responsibilities

• Develop and maintain production-grade Ruby on Rails 7.x applications.
• Design and build REST APIs, authentication workflows, and reusable backend services.
• Design and optimize Sidekiq Pro/Enterprise job architectures, including queue management and retries.
• Build resilient integrations with third-party services and AWS components.
• Monitor, troubleshoot, and optimize performance using Datadog APM.
• Design and optimize MySQL databases, indexing, and query performance.
• Implement secure authentication using Devise, OAuth, Okta SSO, and RBAC.
• Participate in CI/CD, code reviews, and Agile practices.
• Leverage AI coding assistants to improve productivity.

Skills

Ruby on Rails 7.x

RSpec

AWS

Datadog APM

MySQL

Sidekiq Pro/Enterprise

Redis

Authentication & Authorization

Third-party APIs

Docker

GitHub Actions

Tools

Docker

Git

GitHub Actions

Job description

Job Title: Senior Ruby on Rails Developer

Experience: 7+ Years

Location: Hyderabad

Employment Type: Full-time

Role Overview

We are looking for a Senior Ruby on Rails Developer with strong experience building scalable SaaS applications. The ideal candidate should have expertise in Ruby on Rails, AWS, Datadog, MySQL, Sidekiq, authentication systems, and third-party integrations, along with a strong focus on writing production-grade, well-tested code.

Key Responsibilities

• Develop and maintain production-grade Ruby on Rails 7.x applications.
• Design and build REST APIs, authentication workflows, and reusable backend services.
• Design and optimize Sidekiq Pro/Enterprise job architectures, including queue management, retries, concurrency, and scheduled jobs.
• Build resilient integrations with third-party services and AWS components.
• Monitor, troubleshoot, and optimize application performance using Datadog APM.
• Design and optimize MySQL databases, indexing, and query performance.
• Implement secure authentication using Devise, OAuth, Okta SSO, and RBAC.
• Participate in CI/CD, code reviews, and Agile development practices.
• Leverage AI coding assistants such as GitHub Copilot or Cursor to improve development productivity.

Required Skills

• Strong expertise in Ruby on Rails 7.x.
• Experience writing production-grade code with high test coverage (RSpec).
• Hands-on experience with AWS (S3, SQS, Secrets Manager, IAM).
• Strong knowledge of Datadog APM, monitoring, dashboards, and alerting.
• Expertise in MySQL, schema design, indexing, and query optimization.
• Strong experience with Sidekiq Pro/Enterprise and Redis.
• Experience with Authentication & Authorization (Devise, OAuth, Okta SSO, RBAC).
• Experience integrating third-party APIs (Twilio, Plaid, Elasticsearch, etc.).
• Knowledge of Docker, Git, GitHub Actions, and CI/CD.
• Experience using GitHub Copilot, Cursor, or similar AI coding assistants.