Senior Software Engineer - Ruby

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

• As a senior backend engineer, you will be expected to execute and deliver large and complex projects end-to-end, with or without the involvement of other team members
• Ensuring timely delivery of all product deliverables
• Play a key role in technical discussions within the team and be the go-to person for the team for guidance and troubleshooting
• Understand key Business and Engineering metrics around performance, quality, and availability and work regularly with the team to push the boundaries and improve them periodically
• Proactively participate in code reviews and architecture and design discussions
• Mentoring junior engineers and setting best practices for coding, code reviews, etc.
• Help the organization in building a top-quality team by participating in hiring initiatives and evangelizing about contributions, accomplishments, and victories

• Strong and self-motivated individuals, should be able to independently drive decisions
• Solid experience in building web-based products
• Overall of 4+ years of expertise in at least one dynamic programming language and one MVC web framework, preferably Ruby on Rails
• Expertise in Database modeling, preferably relational DB, spotting DB bottlenecks, and writing optimized DB queries
• Expertise in all common Cloud technologies, preferably AWS. Knowledge of CI/CD tools and workflows
• Proven track record in building highly-available and scalable distributed systems
• Willingness to play and explore with new technologies and be a Subject Matter Expert and support them
• Someone who believes in small incremental improvements and is passionate about refactoring
• A keen eye for quality with regards to following and establishing good coding practices, improving code coverage
• Good stakeholder management, ability to build trust and rapport with internal and external stakeholders

Responsibilities :

- Develop server side applications in C++

- Contribute in analysis based on requirements. Analysis can be in the form of research and producing Proof of Concepts.

- Produce documents and specifications wherever required.

- Work collaboratively with other developers and QA engineers to deliver the solutions.

• Writing, developing, testing, and implementing new software and web applications in Ruby
• Develop back-end components and integrate them with front-end
• Testing and improving existing Ruby software
• Create sufficient documentation of the software
• Offer customers specific advice and suggestions in the Ruby area
• Creation, administration, and maintenance of APIs
• Carry out troubleshooting in appropriate cases
• Good understanding of the syntax of the Ruby language
• Knowledge of RoR and libraries (Resque or RSpec)
• Knowledge of OOP
• Front-end technologies – such as JavaScript, HTML5, and CSS3
• Familiarity with automated testing, continuous integration
• Experience in handling and developing APIs
• Knowledge of Mocking, MVC, RESTful
• Ability to integrate multiple data sources and databases into one system
• Knowledge of basic design principles for an app
• Skilled at code versioning tools such as Git, Mercurial, or SVN
• Enthusiasm for emerging technologies and methods
• Pragmatism, reliability, and curiosity
• Excellent written and spoken communication skills
•  

Nest is a gamified investment platform for the next-generation and young millennials of the world, to invest, play and earn returns more than a regular savings bank account. The world of gaming is merging with finance to offer a more immersive user experience and help users learn how to manage their money. We’re creating a new breed of asset managers and fin-fluencers with Nest.

We are seeking a dedicated Golang developer to join our growing company.

You will collaborate with other technical staff to deliver and maintain a fully-functional mobile application. We hope you can put your passion for software engineering to work for creating highly immersive user applications.

Your duties will include maintaining code repositories via GitHub and internal server storage modules.

Responsibilities

Below are some of the responsibilities a Golang developer is expected to undertake in their position:

• Implement AWS containers to support Go implementation and successful repository maintenance
• Utilize Kubernetes to ensure successful application development, deployment, and scaling
• Implement Docker for smaller-scale applications that require simpler deployments
• Employ Linux Terminal command structures to allow easy back-end operations for less-expert technical staff
• Structure our user interface with React and ensure REST API access is available for enterprise-grade finance customers on-demand
• Collaborate with other technical staff to ensure consistent and smooth DevOps workflows
• Choose and implement other JavaScript libraries that will optimize performance without sacrificing security and base functionality
• Manage multiple projects within reasonable design specifications and budget restrictions
• QA design for errors
• Implement feedback and changes whenever possible
• Create visualizations that convey accurate messaging for the project.

Job Qualifications and Skill Sets

Bachelor’s degree in computer science, IT, or a related field, such as programming. Other critical skills required are:

• Provable proficiency in Go programming
• Excellent written and verbal communication skills
• Minimum of two years’ experience working in programming or information technology
• Attention to detail and Knowledge in Java is recommended
• Portfolio of work with examples that showcase technical skill
• Strong analytical skills
• Time management and organizational skills
• Knowledge of Go templating, common frameworks, and tools
• Experience working with a team

What you’ll receive

• A compensation competitive to premier firms
• Incredible learning and exposure to every aspect of a funded financial startup as an early member, working directly with the founders.
• Recognition and experience of working on a platform with an exponential user growth curve.
• A fun and receptive work culture which promises to never get mundane!
• If you love party, it is on us!

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
•  

Skills

• Experience with Ruby on Rails, along with other common libraries such as RSpec and Resque
• Good understanding of the syntax of Ruby and its nuances
• Solid understanding of object-oriented programming
• Good understanding of server-side templating languages 
• Good understanding of server-side CSS preprocessors 
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
• Familiarity with concepts of MVC, Mocking, ORM, and RESTful
• A knack for writing clean, readable Ruby code
• Ability to integrate multiple data sources and databases into one system
• Understanding of fundamental design principles behind a scalable application
• Able to create database schemas that represent and support business processes
• Able to implement automated testing platforms and unit tests
• Proficient understanding of code versioning tools 
• Familiarity with development aiding tool familiarity with continuous integration