Sairam Illendula
Senior Ruby on rails Engineer
Hire this person
Send a job offer directly to this candidate
About
Results-driven Senior Full-Stack Engineer with 10+ years of IT experience designing, developing, and delivering scalable enterprise applications across Telecom, Healthcare, Logistics, and SaaS domains. Deep expertise in Ruby on Rails, React.js, AngularJS, REST APIs, PostgreSQL, MySQL, and MongoDB. Proven track record of leading Rails framework migrations (Rails 4→6→7), architecting zero-database microservice portals, and integrating complex SSO/OAuth2 authentication workflows.
Experienced in AI-assisted development using GitHub Copilot, Claude and ChatGPT to accelerate coding, testing, refactoring, and documentation. Hands-on with Docker, Python & Bash Scripts, Jenkins
CI/CD, Terraform, Ansible, AWS (EC2, S3, IAM, RDS), Marathon & Mesos, Rancher, and Consul for cloud-native deployments. Strong communicator and problem-solver who collaborates closely with cross-functional stakeholders to align technical delivery with business goals.
Experience
Qvantel Software Solutions — Hyderabad, Telangana, India (Sep 2020 – Present)
Senior Software Engineer | Full-Stack Ruby on Rails Developer
B2C-FLEX-ECARE — B2C Self-Service Telecom Portal Ruby 3.4.9, Rails 7.2.2, React JS, Hotwire, Bootstrap 5, Material
UI, Keycloak SSO, Redis, Jenkins, Consul, Rancher, SonarQube
B2C self-service portal enabling telecom customers to manage subscriptions, invoices, packages,
payments, and top-ups. No-database Rails Engine architecture with all state sourced from external BSS APIs via
JSON:API.
● Implemented no-database Rails Engine architecture with all state in external APIs (BSSAPI, Flex BPMN
Executor, Document storage, REST API).
● Designed business logic using ActiveInteraction pattern (typed inputs, validations, composable service objects).
● Integrated Keycloak OpenID Connect / OAuth2 for SSO using OmniAuth; implemented concurrent API calls via Concurrent::Promise.
● Adopted GitHub Copilot for rapid implementation of Rails service objects, API integrations, and frontend components.
● Built a Relay Engine (Rails Engine) to proxy BPMN process requests from frontend to the Flex BPMN
Executor API.
● Built secure file relay endpoints with per-user authorization checks; managed CSP and Permissions Policy headers.
● Maintained 100% test coverage with RSpec, Capybara, WebMock, and Jest.
● Led Rails 6 → Rails 7 migration, improving performance and long-term maintainability.
Education
Master of Technology (M.Tech) in Software Engineering JNTUH | 74%
Bachelor of Technology (B.Tech) in Computer Science JNTUH |
