
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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Good to have knowledge of AWS, prometheus, kubernetes and other monitoring tools.
Min exp 1 year. Must be from Pune since we are not able to provide relocation.
- 3 - 5 years of progressive IT experience with a minimum of 1+ years in building Ruby on Rails Web applications and RESTful API endpoints
- Proficient with scripting languages, specifically Python and Bash
- Experience in Object Oriented Java Script.
- Must have Linux command line experience.
- Good experience in developing and integrating reliable REST web services.
- Possess good communication, organizational and creative thinking skills.
- Multi-tasking individual that likes to work both in a team environment and individually
- Excellent technical abilities, leadership, decision making, and adaptability to new technology
- Good knowledge of Agile processes and practice
- Team player
Company Introduction
Mintifi is a growing Fintech startup and has a presence in pan India. We are moving towards lightning fast business loans using data-driven decision-making.
Job Description
We are looking for a Ruby on Rails developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.
Responsibilities
- Design, build, and maintain efficient, reusable, and reliable Ruby code
- Integration of data storage solutions
- Integration of user-facing elements developed by front-end developers with server side logic
- Identify bottlenecks and bugs, and devise solutions to these problems
- Help maintain code quality, organization and automatization
Founder’s LinkedIn profile
Dheeraj Pandey
(Founder, Investor, & Then-CEO of Nutanix / One of the Indian origin guy out of 10 Board Member of- Adobe / Alumni- IIT, Kanpur & University of Texas, Austin)
https://www.linkedin.com/in/dpandey/">https://www.linkedin.com/in/dpandey/
&
Chandra Nath
(Vice President- Nutanix/ Vice President, Head of International- Ola (ANI Technologies Pvt Ltd) – Alumni- IIT, Kanpur, The University of Chicago Booth School of Business)
https://www.linkedin.com/in/chandranath/">https://www.linkedin.com/in/chandranath/
&
Manoj Agarwal
(Co-Founder at Stealth Startup, Previously SVP Engineering & GM Hybrid Cloud at Nutanix/ Alumni- IIT, Kanpur)
https://www.linkedin.com/in/devreveler/">https://www.linkedin.com/in/devreveler/
- Headquarters: Austin, Texas, United States
- Year founded: 2020.
- Work Location: Bangalore
- Team size: 35-40 (In US from companies like Google, Airbnb, Blizzard, Facebook, Palantir, Microsoft, CapitalOne, Nutanix and Confluent)
- Funding: 50 M USD (raised the largest seed round in the history of Silicon Valley)
Note:
We already have a team of 30-35 people in San Jose, California, United States, now we are building a new team in india and they are hiring 0-5 years of rock stars from top notch colleges (Top 5 ranked IIT’s only & BITS) & companies only.
Note:
Basically, I did not have the exact JD with myself, but I can arrange an Exploratory call for you with above senior and core members of a company (Dheeraj/Chandra/Manoj).
Job Role – Backend developer.
If you think, you are one of them then please reply with your interest and we will take your candidature ahead for next level of evaluation. (No Bar of budget for strong candidate).
Looking forward to taking you to the next level of technology.
Warm Regards,
Rahul Rajput
Senior talent acquisition
Responsibilities:
- Build scalable, service oriented web applications from scratch for technology products for European market.
- Maintain these applications for accuracy and high availability.
- Continuously identify opportunities to improve system designs, architecture and implementation standards
- Participate with founding, business and product teams in discussions on how to build and launch new modules.
- Collaborate across functions and own the planning, estimation and execution for parts of the product.
- Start as an individual contributor but stay ready to build and mentor a small team of up to 5 engineers over the coming months and years.
- Contribute in hiring highly ambitious engineers as the team grows.
- Being among the first people on the engineering team, be a culture driver.
Requirements:
- Experience of architecting and building products/business critical backend applications using different MVC frameworks.
- Experience with microservices.
- Experience of building and maintaining scalable applications using Node.js/MEAN stack.
- Experience of deploying and maintaining web applications.
- Experience with non relational databases like MongoDB.
- Understanding of relational databases like MySQL.
- Familiarity with REST APIs and stress testing tools.
- Good communication skills.
- Exposure in building polyglot applications.
- Exposure for devops and related processes, preferably GCP.
- Knowledge of components in scalable solutions i. e. database partitions, message brokers, background processing.
- Exposure to basic frontend technologies to speed up collaboration with the frontend team.
- B Tech/BE or M.Tech/ME in Computer Science or equivalent from a reputed college.
- Experience level of 7+ years in building large scale applications.
- Strong problem solving skills, data structures and algorithms.
- Experience with distributed systems handling large amount of data.
- Excellent coding skills in Java / Python / Node / Go.
- Very good understanding of Web Technologies.
- Very good understanding of any RDBMS and/or messaging.
You will be expected to design, develop and maintain large-scale complex backend web
applications.
You will be expected to rapidly learn and apply relevant new technologies.
You will be having a high level of interaction with business and product stakeholders.
You will be working on the entire web application stack, which includes:
o Web server hosting
o RESTful communication
o Message brokering
o Backend application layer, which includes the service and domain layers
o Data layer for persistence or caching
You will be participating in an agile software development cycle, which includes:
o Design
o Development
o Code Review
o Unit and Integration Testing
o Release
As a senior developer, you will be expected to contribute to design, code review, refactoring, and
project management.
You will be exposed to the following technologies:
o Web application frameworks: Ruby on Rails, Node.js, Java Play, Vert.x, AIOHTTP, AWS
Lambda
o Languages: Ruby, Java, Kotlin, Javascript, Python
o Data stores: PostgreSQL, Aerospike, Redis, Amazon Redshift
o Communication: HTTP, Amazon SQS, Sidekiq, Amazon SNS
o Server Management: Amazon ECS, Docker
Product Overview
You will be contributing to products concerning both customers and partner drivers.
Product sectors include:
o Growth: You’ll build tools to help boost user growth on the platform including our industry
best driver on-boarding, training and certification system, referral system, and lead
management models.
o Lifecycle Management: Build tools to help users engage with the platform better, which
includes rewards and recognition module, subscription service, account management tools,
partner and customer wallets and payout modules, and churn detection systems among
others.
o Transaction Experience: You’ll help deliver the most delightful booking experience to our
customers and drivers. As part of this team, you’ll be responsible for our core booking
system, pricing and payment systems, location tracking and filtering services, fraud
prevention systems, and in-app ticketing and support among others.
o Fulfilment: As part of the fulfilment team, you’ll work on systems which ensure high degree
of ride fulfilment on the platform. Tools including allocation methodologies and system,
dynamic pricing, dynamic partner routing, and partner re-activation tools among others.
o Enterprise Solutions: You’ll help Porter’s enterprise customers achieve delivery excellence.
You’ll build tools for contract management, fleet management, fleet and route optimisation
tools, alerting and monitoring tools, and analytics suite among others.








