Senior/Principal Software Engineer - Ruby on Rails

Creative Chaos; Lahore; On-site; PKR 2,000,000 - 3,500,000; Full time

Benefits offered by this job

Paid Time Off

Work From Home

Health Insurance

OPD

Training and Development

Life Insurance

Exchange Program

Job summary

Creative Chaos seeks a Senior Software Engineer (Ruby on Rails) to develop server applications, write RESTful APIs, and ensure security and performance. The role includes mentoring juniors and strengthening the team through training.

You will lead and contribute to building scalable web apps, work across Rails, Ruby, and ES6, and engage with clients while maintaining high code quality. Strong English communication is essential.

Qualifications

• BS degree in Computer Science/Software Engineering or similar field.
• 3-8 years of working experience in Ruby on Rails and its frameworks.
• Extensive experience with common gems (Devise and Pundit).
• Experience building large-scale production web applications with API interfaces.
• Experience with performance challenges of a production RoR app (stress testing, tuning).
• Understanding of testing pyramid; experience with RSpec.
• Ability to work across the stack (Rails, Ruby, ES6).
• Familiarity with JavaScript, CSS, HTML.
• Strong SQL skills and query writing.
• Experience with CI/CD, AWS, Docker, Kubernetes.
• Experience with Agile methodologies (SCRUM).
• Excellent English communication and problem-solving skills.

Responsibilities

• Analyze business requirements
• Estimate assigned tasks
• Write code and unit tests
• Collaborate with other team members
• Tune code for security and performance
• Maintain systems by fixing issues
• Update issue tracking software
• Provide status updates
• Communicate with client
• Control versions of your code
• Research new technologies
• Lead a team of software engineers
• Mentor team members through training and guidance
• Upgrade skills and knowledge
• Evaluate candidates for open positions

Skills

Ruby on Rails

REST APIs

Scrum/Agile

SQL

English communication

Mentoring

Education

BS in Computer Science/Software Engineering

Tools

Docker

Kubernetes

AWS

RSpec

Devise

Pundit

Git

Job description

Job Summary

A Senior Software Engineer for Ruby on Rails is an associate at Creative Chaos who is mainly responsible for developing server applications of various software platforms including but not limited to writing Restful APIs to be consumed by client applications. A senior software engineer makes sure that the functionality, security and performance of the server application is as per the design and is completely bug free. Senior engineers have a responsibility to mentor their juniors and build team strength through training.

Job Duties And Responsibilities

• Analyze business requirements
• Estimate assigned tasks
• Write code and unit tests
• Collaborate with other team members
• Tune your code for enhanced security and performance
• Maintain systems by fixing any existing issues
• Update issue tracking software
• Provide status updates
• Communicate with client
• Control versions of your code
• Research new technologies
• Lead a team of software engineers
• Mentor team members through training and guidance
• Upgrade skills and knowledge
• Evaluate candidates for open positions

Requirements

• BS degree in Computer Science/Software Engineering or similar relevant field
• 3-8 years of working experience in Ruby on Rails and its frameworks
• Extensive experience working with common gems in the Ruby/Rails ecosystem (Devise and Pundit in particular)
• Experience building large-scale production web applications with API interfaces
• Have gone through performance challenges of a production RoR web application (e.g., stress testing and performance tuning)
• Have a good understanding of the testing pyramid and are comfortable implementing specs in each layer using the RSpec framework
• Ability to work effectively at all levels of the stack rails, Ruby, ES6
• Familiarity with front-end technologies (like JavaScript, CSS and HTML)
• Strong understanding in SQL and should have experience in writing SQL queries
• Strong Experience with CI/CD pipelines, AWS, and cloud technologies including Docker and Kubernetes
• Experience in Agile development methodologies, including SCRUM
• Excellent verbal and written English Communication skills
• Excellent Problem-Solving and Analytical skills

Benefits

• Paid Time Off
• Work From Home
• Health Insurance
• OPD
• Training and Development
• Life Insurance
• Exchange Program