Backend Engineer – Ruby on Rails (AWS / PostgreSQL)

Cascade Revenue Management - An AIMA Group Company; Ernakulam; On-site; INR 1,500,000 - 2,700,000; Full time

Job summary

Cascade Revenue Management - An AIMA Group Company in Kerala invites a talented Ruby on Rails Developer to design, build, and maintain scalable server-side applications. You will work with AWS, PostgreSQL, and RESTful APIs in a collaborative, Agile environment.

You’ll optimize performance, implement robust tests with RSpec/Capybara, and partner with product managers and designers to deliver secure, high-quality software.

Qualifications

• 5+ years of production web development experience.
• Expert Ruby on Rails with MVC, ActiveRecord.
• Strong PostgreSQL design, indexing, query optimization.
• Hands-on AWS with deployment pipelines.
• Proficient Git/GitHub/GitLab in team environments.
• Strong problem-solving and communication skills.

Responsibilities

• Design, build, and maintain Ruby code using the Rails framework.
• Design and optimize PostgreSQL databases, migrations, and data integrity.
• Deploy, monitor, and scale AWS-based applications (EC2, S3, RDS, Elastic Beanstalk).
• Develop RESTful or GraphQL APIs for front-end and third-party services.
• Write automated tests with RSpec/Capybara and perform peer code reviews.
• Identify bottlenecks and optimize performance for high-traffic environments.
• Collaborate in Agile teams with daily stand-ups, sprints, and retrospectives.

Skills

Ruby on Rails

PostgreSQL

AWS

API design

Testing (RSpec/Capybara)

Problem-solving

Communication

Tools

Git/GitHub/GitLab

RSpec

Capybara

Docker

Kubernetes

Job description

We are seeking a talented and motivated Ruby on Rails Developer with strong expertise in cloud infrastructure (AWS) and relational databases (PostgreSQL). In this role, you will be responsible for designing, building, and maintaining scalable server-side web applications. You will collaborate closely with cross-functional teams, including front-end developers, product managers, and designers, to deliver high-quality, secure, and performant solutions.

Key Responsibilities

• Application Development: Design, build, and maintain efficient, reusable, and reliable Ruby code using the Rails framework.
• Database Architecture: Design and optimize relational databases using PostgreSQL, including writing complex queries, managing migrations, and ensuring data integrity and overall system performance.
• Cloud Infrastructure: Deploy, monitor, and scale applications utilizing Amazon Web Services (AWS). Manage and configure core services such as EC2, S3, RDS, and Elastic Beanstalk.
• API Design: Develop and maintain RESTful (or GraphQL) APIs to seamlessly support front-end integrations and third-party services.
• Code Quality & Testing: Write comprehensive automated test suites using tools like RSpec or Capybara. Conduct peer code reviews to maintain code quality, organization, and automation.
• Performance Optimization: Identify bottlenecks and bugs, devising solutions to mitigate these issues and ensure application scalability for high-traffic environments.
• Collaboration: Work in an Agile environment, actively participating in daily stand-ups, sprint planning, and retrospectives.

Required Qualifications

• Experience: 5+ years of professional software development experience, with a proven track record in building web applications in a production environment.
• Ruby on Rails: Expert-level understanding of Ruby syntax, object-based programming, and the Rails framework (MVC architecture, ActiveRecord, ActiveJob).
• Database Management: Strong proficiency with PostgreSQL, including database design, indexing, query optimization, and troubleshooting.
• Cloud Computing: Hands-on experience with the AWS ecosystem and deployment pipelines. Familiarity with managing cloud environments and ensuring robust system security.
• Version Control: Proficiency with Git and GitHub/GitLab in a collaborative, team-based setting.
• Problem-Solving: Excellent analytical skills with a proactive approach to tackling complex technical challenges.
• Communication: Strong verbal and written communication skills, with the ability to clearly explain technical concepts to non-technical stakeholders.

Preferred Qualifications

• Familiarity with background job processing and queuing systems (e.g., Sidekiq, Redis).
• Knowledge of containerization and orchestration tools (e.g., Docker, Kubernetes).
• Experience building and maintaining CI/CD pipelines (e.g., GitHub Actions, CircleCI, AWS CodePipeline).