
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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Position: Senior Backend Developer: Ruby On Rails
At ReDesyn we’re building a creator economy PaaS that turns creators into creator-preneurs by enabling commerce & fan monetisation features for them in a creator super app! With 10k+ creators and 100,000+ customers, we're expanding our team & looking for experienced professionals to join us in Thane.
Details:-
Package: 15-18 LPA
Travel to Thane: Mandatory, Mon-Sat 10 am to 7 pm.
Work Experience: 3+ years
Joining: within 30-60 days
JD:-
ReDesyn is seeking a highly skilled senior Ruby on Rails Developer to join our dynamic team. As a Ruby on Rails Developer, you will play a crucial role in managing data interchange, maintaining our central database, and ensuring optimal server-side performance to meet front-end demands.
Responsibilities:
- Design, develop, and maintain efficient, reusable, and reliable Ruby code.
- Integrate data storage solutions seamlessly.
- Collaborate with front-end developers to integrate user-facing elements with server-side logic.
- Identify and resolve bottlenecks and bugs effectively.
- Contribute to code quality, organization, and automation efforts.
Requirements:
- 3-5 years of experience as a Ruby on Rails Developer or similar role, with software development and infrastructure knowledge as a plus.
- Proficiency in Ruby on Rails, along with standard libraries like RSpec and Devise.
- Strong grasp of Ruby syntax and its nuances.
- Solid understanding of object-oriented programming.
- Familiarity with server-side templating languages (e.g., Liquid, Slim).
- Knowledge of server-side CSS preprocessors.
- Basic understanding of front-end technologies, including JavaScript, HTML5, and CSS3.
- Familiarity with MVC, Mocking, ORM, and RESTful concepts.
- A passion for writing clean, readable Ruby code.
- Ability to integrate multiple data sources and databases into a cohesive system.
- Understanding of fundamental design principles for scalable applications.
If you are a talented Ruby on Rails Developer with a passion for building high-performance, responsive applications, we encourage you to apply. Join our team and be part of our exciting journey in building India's coolest pop culture creator super app.
As a back-end developer, you’ll work on our back-end app that is built with Ruby on Rails. You’ll help to plan and develop new features, review other people’s code, fix bugs, help in technological and business decisions, and support the internal team.
Responsibilities
- Work in our main app back end built with Ruby on Rails
- Act as an architect of new features
- Review other people's code
- Fix bugs
- Help in decisions of technology and business
- Support internal team
- Refactor code
Requirements
- At least 3 years of industry experience
- At least 1 year of experience working on Ruby on Rails projects
- Comfortable in dealing with server infrastructure and deployment processes
- Experience with continuous delivery and automated testing.
- Experience with refactoring Ruby on Rails applications
- Experience in designing, developing and maintaining APIs
- Can work for at least a couple of hours during Japanese business hours
Nice to haves
These aren’t required, but be sure to mention them in your application if you have them.
- UI/UX design principles
- Good understanding of coding best practices and design patterns
- Understanding of security technologies (encryption, authentication, OAuth 2.0)
- Contribution to open source projects
- Interest and ability to learn other coding languages as needed
- Agile Development experience
We are the largest online legal service providers in India. Our business is technology driven and our app is already servicing customers across India and abroad. We have offices in Chennai and Bangalore.
Our dev team comprises of seasoned and experienced developers along with Senior Resources for mentoring. We are looking forward to expand our team.
Job brief
Do you like writing mean and clean Ruby code? Come join our team and help us build amazing things.
We’re looking for someone with a passion for programming and for writing beautiful code. You will join a team of exceptional developers working in a fast-paced environment to deliver world-class software.
Responsibilities
- Write clean, maintainable and efficient code.
- Design robust, scalable and secure features.
- Drive continuous adoption and integration of relevant new technologies into design.
This is a remote position.
- Design and build strong, resilient, and robust APIs, libraries, and tools to power customers, engineers, and operations
- Own functionality and scalability features by taking responsibility from inception to post-deployment.
- Be responsible for full software development life-cycle - design, development, testing, operating in production
- Uphold our high engineering standards and bring consistency to the codebases, infrastructure, and processes you will encounter.
- Serve as technical lead, contributing to and directing the execution of complex projects with other engineers
- Mentor software engineers and set the standard for the next generation of Finly engineers
- Proactively identify and prioritize improvements to the team's processes, codebases and best practices
Requirements
- 3 to 6 years' experience creating libraries and designing scale-able backend systems
- Experience working with SQL or NoSQL databases
- Familiarity with software engineering development cycles
- Experience working with backend programming languages (Ruby, Python)
- Ability to hold yourself and the team to high standards
- Strong communication (written and verbal) and interpersonal skills
- Ability to provide in-depth evaluation of multiple technical directions and determine trade-offs of each
- Strong propensity to make data-driven decisions on technical architecture and project prioritization
- Experience collaborating with experts in product, design, and operations.
- Experience driving initiatives at a broader level across an organization or company
- Strong writing skills
- Proactive approach
Role- Software Development Engineer-2
As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.
Top Skills
- You write high quality, maintainable, and robust code, often in Java or C++ or C#
- You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
- You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.
- Roles & Responsibilities
- You solve problems at their root, stepping back to understand the broader context.
- You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
- You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
- You recognize and use design patterns to solve business problems.
- You understand how operating systems work, perform and scale.
- You continually align your work with Amazon’s business objectives and seek to deliver business value.
- You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
- You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
- You communicate clearly with your team and with other groups and listen effectively.
Skills & Experience
- Bachelors or Masters in Computer Science or relevant technical field.
- Experience in software development and full product life-cycle.
- Excellent programming skills in any object-oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
- Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
- Proficiency in SQL and data modeling.
About Amazon.com
“Many of the problems we face have no textbook solution, and so we-happily-invent new ones.” – Jeff Bezos
Amazon.com – a place where builders can build. We hire the world's brightest minds and offer them an environment in which they can invent and innovate to improve the experience for our customers. A Fortune 100 company based in Seattle, Washington, Amazon is the global leader in e-commerce. Amazon offers everything from books and electronics to apparel and diamond jewelry. We operate sites in Australia, Brazil, Canada, China, France, Germany, India, Italy, Japan, Mexico, Netherlands, Spain, United Kingdom and United States, and maintain dozens of fulfillment centers around the world which encompass more than 26 million square feet.
Technological innovation drives the growth of Amazon, offering our customers more selection, convenient shopping, and low prices. Amazon Web Services provides developers and small to large businesses access to the horizontally scalable state of the art cloud infrastructure like S3, EC2, AMI, CloudFront and SimpleDB, that powers Amazon.com. Developers can build any type of business on Amazon Web Services and scale their application with growing business needs.
We want you to help share and shape our mission to be Earth's most customer-centric company. Amazon's evolution from Web site to e-commerce partner to development platform is driven by the spirit of invention that is part of our DNA. We do this every day by inventing elegant and simple solutions to complex technical and business problems. We're making history and the good news is that we've only just begun.
About Amazon India
Amazon teams in India work on complex business challenges to innovate and create efficient solutions that enable various Amazon businesses, including Amazon websites across the world as well as support Payments, Transportation, and Digital products and services like the Kindle family of tablets, e-readers and the store. We are proud to have some of the finest talent and strong leaders with proven experience working to make Amazon the Earth’s most customer-centric company.
We made our foray into the Indian market with the launch of Junglee.com, enabling retailers in India to advertise their products to millions of Indian shoppers and drive targeted traffic to their stores. In June 2013, we launched http://www.amazon.in">www.amazon.in for shoppers in India. With http://www.amazon.in">www.amazon.in, we endeavor to give customers more of what they want – low prices, vast selection, fast and reliable delivery, and a trusted and convenient online shopping experience. In just over a year of launching our India operations, we have expanded our offering to over 18 million products across 36 departments and 100s of categories! Our philosophy of working backwards from the customers is what drives our growth and success.
We will continue to strive to become a trusted and meaningful sales and logistics channel for retailers of all sizes across India and a fast, reliable and convenient online shopping destination for consumers. For us, it is always “Day 1” and we are committed to aggressively invest over the long-term and relentlessly focus on raising the bar for customer experience in India.
Amazon India offers opportunities where you can dive right in, work with smart people on challenging problems and make an impact that contributes to the lives of millions. Join us so you can - Work Hard, Have Fun and Make History.
Greetings from Amazon...!
It is our pleasure in personally inviting you to apply job with Amazon Development Centre India (ADCI). At Amazon we are inclined to hire people with passion for technology and you happened to be one of the shortlisted candidates. Our business is committed to recognizing potential and creating teams that embrace innovation.
Please find the Eligible criteria and requirements:
Job title : SDE – II (Software Development Engineer)
Role Opportunity : Permanent/Full Time/FTE/Regular
Work Location : Hyderabad/Bangalore/ Gurgaon
Must Have
- Strong Exposure to Data Structures, Algorithms, Coding, System Design (LLD, HLD, OOAD), Distributed systems, problem solving skills, Architecture (MVC/Microservices), logical thinking.
Amazon (ADCI) - If you are looking for an opportunity to solve deep technical problems and build innovative solutions in a fast paced environment working with smart, passionate software developers, this might be the role for you. Amazon’s transportation systems get millions of packages to customers worldwide faster and cheaper while providing world class customer experience – from checkout to shipment tracking to delivery. Our software systems include services that handle thousands or requests per second, make business decisions impacting billions of dollars a year, integrate with a network of small and large carriers worldwide, manage business rules for millions of unique products, and improve experience for millions of online shoppers. With rapid expansion into new geographies, innovations in supply chain, delivery models and customer experience, increasingly complex transportation network, ever expanding selection of products and growing number of shipments worldwide, we have an opportunity to build software that scales the business, leads the industry through innovation and delights millions of customers worldwide.
As an SDE, you will develop a deep understanding of our business, work closely with development teams and own the architecture and end-to-end delivery of software components.
About Amazon India:
Amazon teams in India work on complex business challenges to innovate and create efficient solutions that enable various Amazon businesses, including Amazon websites across the world as well as support Payments, Transportation, and Digital products and services like the Kindle family of tablets, e-readers and the store. We are proud to have some of the finest talent and strong leaders with proven experience working to make Amazon the Earth’s most customer-centric company.
We made our foray into the Indian market with the launch of Junglee.com, enabling retailers in India to advertise their products to millions of Indian shoppers and drive targeted traffic to their stores. In June 2013, we launched http://www.amazon.in">www.amazon.in for shoppers in India. With http://www.amazon.in">www.amazon.in, we endeavor to give customers more of what they want – low prices, vast selection, fast and reliable delivery, and a trusted and convenient online shopping experience. In just over a year of launching our India operations, we have expanded our offering to over 18 million products across 36 departments and 100s of categories! Our philosophy of working backwards from the customers is what drives our growth and success.
We will continue to strive to become a trusted and meaningful sales and logistics channel for retailers of all sizes across India and a fast, reliable and convenient online shopping destination for consumers. For us, it is always “Day 1” and we are committed to aggressively invest over the long-term and relentlessly focus on raising the bar for customer experience in India. Amazon India offers opportunities where you can dive right in, work with smart people on challenging problems and make an impact that contributes to the lives of millions. Join us so you can - Work Hard, Have Fun and Make History.
Basic Qualifications:
- 3+ years’ experience building successful production software systems
- A solid grounding in Computer Science fundamentals (based on a BS or MS in CS or related field)
- The ability to take convert raw requirements into good design while exploring technical feasibility tradeoffs
- Expertise in System design (design patterns, LLD, HLD, Solid principle, OOAD, Distributed systems etc..), Architecture (MVC/Micro services).
- Good understanding of at least some of the modern programming languages (Java) and open-source technologies (C++, Python, Scala, C#, PHP, Ruby etc..)
- Excellence in technical communication
- Has experience in mentoring other software developers
Preferred Qualifications:
- BS/MS in Computer Science or equivalent
- Experience developing service oriented architectures and an understanding of design for scalability, performance and reliability
- Demonstrated ability to mentor other software developers to maintain architectural vision and software quality
- Demonstrated ability to achieve stretch goals in a highly innovative and fast paced environment
- Expertise in delivering high-quality, innovative application
- Strong desire to build, sense of ownership, urgency, and drive
- Strong organizational and problem solving skills with great attention to detail
- Ability to triage issues, react well to changes, work with teams and ability to multi-task on multiple products and projects.
- Experience building highly scalable, high availability services
- The ideal candidate will be a visionary leader, builder and operator.
- He/she should have experience leading or contributing to multiple simultaneous product development efforts and initiatives.
- He/she needs to balance technical leadership with strong business judgment to make the right decisions about technology choices.
- He/she needs to be constantly striving for simplicity, and at the same time demonstrate significant creativity, innovation and judgment
- Proficiency in, at least, one modern programming language.
- Experience in SQL or Non-SQL database.
- Strong sense of ownership, urgency, and drive.
- Demonstrated leadership abilities in an engineering environment in driving operational excellence and best practices.
- Demonstrated ability to achieve stretch goals in a highly innovative and fast paced environment.
- Excellent communication, collaboration, reporting, analytical and problem solving skills.
Good to Have:
- Knowledge of professional software engineering practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations
- Experience with enterprise-wide systems
- Experience influencing software engineers best practices within your team
- Hands-on expertise in many disparate technologies, typically ranging from front-end user interfaces through to back-end systems and all points in between
- Strong written and verbal communication skills preferred
Key Points to remember:
- Strong knowledge of the Software Development Life Cycle methodology
- Technical design, development and implementation decisions on the use of technology in area(s) of specialization.
- Write or modify programming code to suit customer's needs.
- Unit test to assure meets requirements, including integration test as needed.
- Ability to understand and analyze issues and uses judgment to make decisions.
- Strong problem solving & troubleshooting skills
- Strong communication skills
- Responsible for self-development according to professional development plan








