Ruby on Rails Developer

Nisum is a leading global digital commerce firm headquartered in California, with services spanning digital strategy and transformation, insights and analytics, blockchain, business agility, and custom software development. Founded in 2000 with the customer-centric motto Building Success Together, Nisum has grown to over 1,800 professionals across the United States, Chile, Colombia, India, Pakistan, and Canada. A preferred advisor to leading Fortune 500 brands, Nisum enables clients to achieve business growth by building the advanced technology needed to reach customers through immersive digital and physical experiences. What You'll Do: Build scalable RESTful APIs and integrate with third-party services. Write clean, maintainable, and well-tested code following best practices. Optimize application performance, scalability, and security. Collaborate with Product Managers, Designers, QA, and other Engineers to deliver features. Participate in code reviews and mentor junior developers. Troubleshoot production issues and implement long-term fixes. Work with relational databases and optimize complex SQL queries. Contribute to system architecture and technical design discussions. Participate in Agile ceremonies including sprint planning, stand-ups, retrospectives, and backlog refinement. What You Know: Strong hands-on experience with Ruby and Ruby on Rails. Good understanding of MVC architecture and Rails conventions. Experience designing and consuming RESTful APIs. Strong knowledge of PostgreSQL/MySQL and database design principles. Experience with Git and collaborative development workflows. Solid understanding of object-oriented programming and software design principles. Experience writing unit, integration, and functional tests using RSpec, Minitest, or similar frameworks. Familiarity with Sidekiq, ActiveJob, or other background job processing frameworks. Understanding of Redis, caching strategies, and application performance optimization. Experience working in Agile/Scrum environments. Familiarity with Docker and Kubernetes. Experience with CI/CD pipelines (GitHub Actions, Jenkins, CircleCI, etc.). Knowledge of frontend technologies such as JavaScript, React Experience with Elasticsearch, Solr, or other search technologies. Familiarity with monitoring and observability tools like Datadog, New Relic, Splunk. Experience working on microservices or distributed systems. Exposure to event-driven architectures and messaging systems such as Kafka Education: Bachelor’s degree in Computer Science or a Ruby on Rails, or equivalent practical experience and 4 to 7 years of professional experience as a Ruby on Rails engineer. Benefits: In addition to competitive salaries and benefits packages, Nisum India offers its employees some unique and fun extras: Continuous Learning - Year-round training sessions are offered as part of skill enhancement certifications sponsored by the company on an as-need basis. We support our team to excel in their field. Parental Medical Insurance - Nisum believes our team is the heart of our business and we want to make sure to take care of the heart of theirs. We offer opt-in parental medical insurance in addition to our medical benefits. Activities -From the Nisum Premier League's cricket tournaments to hosted Hack-a-thon, Nisum employees can participate in a variety of team building activities such as skits, dance performance in addition to festival celebrations. Free Meals - Free snacks and dinner is provided on a daily basis, in addition to subsidized lunch.