

COMPANY- LIGHTWAVE CONSULTANTS
Position: Ruby on Rails Developer
Experience : 3-7yrs
Location : Lower Parel, Mumbai (Hybrid Work Model)
Job Overview:
We are seeking a proficient Ruby on Rails Developer who brings strong object-oriented programming (OOP) principles, an API-first approach, and experience building scalable applications. The ideal candidate should be comfortable working with modern frontend frameworks, integrating APIs, and contributing to robust, maintainable, and performant backend systems. Familiarity with containerization technologies such as Docker and Kubernetes is a plus. Exposure to other backend languages like Python, Go, or Elixir is an added advantage.
Key Responsibilities:
● Design, build, and maintain scalable web applications using Ruby on Rails.
● Apply OOP principles and design patterns to ensure maintainable and modular codebases.
● Build and maintain RESTful and GraphǪL APIs to support frontend and external integrations.
● Collaborate with frontend teams to ensure seamless integration with modern JavaScript frameworks (React, Vue, etc.).
● Write clean, efficient, and secure code following best practices in performance, testing, and documentation.
● Ensure the system is scalable and performant, capable of handling large-scale data and user interactions.
● Participate in code reviews, system architecture discussions, and continuous improvement processes.
● Work in agile teams, using CI/CD pipelines and version control effectively.
● Implement containerized services and deployments using Docker and optionally Kubernetes.
● Actively contribute to technical decision-making, mentoring junior developers, and maintaining high engineering standards.
Required Skills & Ǫualifications:
●Strong hands-on experience with Ruby on Rails and solid understanding of Ruby language constructs.
● Sound knowledge of OOPs concepts, SOLID principles, and design patterns.
• Proven experience building and maintaining APIs (RESTful and/or GraphǪL).
● Comfortable working with frontend developers and integrating with modern frameworks (React, Vue, etc.).
● Experience working on scalable, production-grade systems.
● Familiarity with SǪL and ActiveRecord, performance tuning, and caching strategies.
● Version control expertise using Git and experience with code review workflows.
● Strong hands-on experience with TDD using RSpec and a clear understanding of testing strategies.
● Comfortable with debugging, profiling, and monitoring production systems.
Preferred Qualifications:
● Exposure to Docker and basic container orchestration with Kubernetes.
● Experience with background job processing (Sidekiq, Resque).
● Knowledge of CI/CD pipelines, deployment strategies, and infrastructure-as-code practices.
● Familiarity with monitoring and alerting tools for backend services.
● Experience working in a microservices or service-oriented architecture (SOA) setup.
● Working knowledge of additional backend languages such as Python, Go (Golang), or Elixir.
● Understanding of security best practices in web development and API design.
● Familiarity with service observability, logs, metrics, and tracing tools

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Everyone at Simpl is an internal entrepreneur who is given a lot of bandwidth and resources to create the next breakthrough towards the long-term vision of “making money Simpl”. Our first product is a
payment platform that lets people buy instantly, anywhere online, and pay later. In the background, Simpl uses big data for credit underwriting, risk and fraud modeling, all without any paperwork, and enables Banks and Non-Bank Financial Companies to access a whole new consumer market.
Areas of work
Principals are involved in Architecture Direction and Alignment
1. Tracking and directing how the overall system architecture evolves.
2. Developing and identifying useful architecture patterns within our systems based on
industry know-how and our own operational and development experience.
3. Develop and manage an architecture decisions guidelines framework that will be useful to
make consistent, faster and reliable architecture and design decisions.
4. Documenting or making this information available to all engineers - new or old
5. Create mechanisms to audit and ensure architectural compliance across engineering teams
Internal Developer Community and Tech growth for teams
Create and nurture tech communities so that developers can
● gain more knowledge about the industry practices
● learn to express their knowledge, opinions and views
Quality
Monitor and improve the quality of our systems by helping with
1. Bug reduction
2. MTTR reduction
3. Ensuring better engineering practices around testing, tooling, monitoring and resilience.
Cost - Infra and application costs
Ensuring systems are run and maintained with frugality in mind without compromising on business and operational expectations.
Hiring
Help hire and mentor engineers at Simpl.
Partners at Work
Principals partner with team leads, product managers, infosec engineers and devops engineers, ensuring alignment in vision and execution, splitting time between different domains as they see fit.
Minimum Qualifications
● At least 8 years of software development experience
● Experience with technically leading projects and architecting high-traffic consumer-facing applications.
● A background in CS or relevant technical experience.
● Familiarity with languages like Go, Java, Ruby and Python.
● Familiarity with the AWS Stack.



Immedieate joiners are preferred or those who cn join withn 15-20 days. - B.Tech in Computer Science from premier institute (IIT/NIT/IIIT)or equivalent work experience - 2 years’ experience developing Backend systems - Good understanding of algorithms and data structures - Knowledge of Cache, Queues, NoSQL & RDBMS(Mysql) - Proficiency in PHP/Python/Ruby/Java - Experience with MVC architectural pattern / framework like Django, ROR, Node.js - Experience of object-oriented programming / modular programming - Ability to multi-task, work with ambiguity and quickly re-prioritizing responsibilities - Experience with Agile software development - Knowledge of testing performance & stability using tools - Experience with either Github or GitLab, Confluence, & Jira
|
Professional experience required: Total experience: 2+ Years
Industry/Role experience: - 2+ years’ experience developing Backend systems - Experience with Agile software development
|
Behavioral Attributes: - Must have excellent communication skills - Must be the ability come up with innovative ideas and out-of-the-box solutions - Must be willing to challenge conventional methods to achieve exponential results |

We are looking to hire a talented ruby on rails developer to manage the interchange of data between our users and the server. You will be responsible for developing and maintaining the server-side logic for the central database, testing performance, troubleshooting, and integrating front-end elements into the application.
To ensure success as a ruby on rails developer, you should have extensive experience working with ruby and back-end integration techniques. Ultimately, a top-level ruby on rails developer can create clean, functional code that perfectly suits the needs of the company.
Ruby on Rails Developer Responsibilities:
- Designing and developing new web applications.
- Maintaining and troubleshooting existing web applications.
- Writing and maintaining reliable Ruby code.
- Integrating data storage solutions.
- Creating back-end components.
- Identifying and fixing bottlenecks and bugs.
- Integrating user-facing elements designed by the front-end team.
- Connecting applications with additional web servers.
- Maintaining APIs.
Ruby on Rails Developer Requirements:
- Bachelor’s degree in computer science, computer engineering, or related field.
- Experience working with ruby on rails as well as libraries like Resque and RSpec.
- Ability to write clean ruby code.
- Proficiency with code versioning tools including Git, Github, SVN, and Mercurial.
- Experience with AngularJS or BackboneJS.
- Familiarity with MVC, Mocking, RESTful, and ORM.
- Good understanding of front-end technologies including HTML5, JavaScript, and CSS3.
- Knowledge of server-side templating languages including Slim and Liquid.
- Familiarity with testing tools.

Primary Skills
● Ruby on Rails
● JavaScript, JQuery, HTML5
● Database knowledge (MySQL, Oracle, Postgres)
● Web technology and security, REST framework
● Unit testing frameworks (Rspec)
● Version Control (Eg., Git)
Good To Have Skills
● ReactJS and other UI technology
● Cucumber Selenium
● Shell Scripting
● Java / Python
Key Responsibilities
● Stay up-to-date on emerging technologies
● BS/MS degree in Computer Science, Engineering or a related subject
● Contribute in all phases of the development lifecycle
● Write well designed, testable, efficient code
● Ensure designs are in compliance with specifications
● Prepare and produce releases of software components
● Support continuous improvement by investigating alternatives and technologies and
presenting these for architectural review
Requirements
● 2 to 3 years of work experience as a Full Stack Developer or similar role
● Proven hands-on Software Development experience
● Proven working experience in
Rails
Ruby on Rails / Java
development
● Hands on experience in designing and developing applications using
Ruby on
● Object Oriented analysis and design using common design patterns.
● Excellent knowledge of Relational Databases, SQL and ORM technologies
● Experience in developing web applications using at least one popular web
framework
● Experience with test-driven developmen


• Very Strong knowledge in PHP, MySQL, Javascript etc.
• Solid understanding in PHP frameworks like: Symfony, Codeigniter, Laravel etc.
• Development experience with Wordpress and other E- Commerce CMS.
• Experience of creating highly scalable, robust web applications.
• A solid understanding of the full web technology stacks (i.e. Lamp, Rest, API integration, Version control- Git,
and authentication schemes.
• Good to have development experience in JS frameworks like: Node JS, Angular JS, React Js etc.
• Good to have development experience in HTML, CSS, LESS, SASS, Grunt etc.
• Rigor in A / B Testing, test coverage and other web best practices.
• Familiar with Jira and Scrum process.
• Good to have knowledge on Ruby on Rails.
• Fluent in English Communication.






