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Rishav Bhardwaj

Senior Ruby on Rails Backend Engineer · 7+ years experience

Designing, building and scaling secure, high-performance backend systems for learning platforms, enterprise SaaS, cloud infrastructure and identity management.

  • 7+ years experience
  • Ruby on Rails
  • REST APIs
  • PostgreSQL
  • Docker & Kubernetes
  • AWS
  • SCIM 2.0
  • SAML & SSO
  • Redis & Sidekiq
  • CI/CD
Experience
7+ years
Role
Senior Backend Engineer
Focus
Scalable Rails systems
Domains
Rails · PostgreSQL · Kubernetes · Identity
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Professional summary

Rishav is a Senior Ruby on Rails Backend Engineer with over 7 years of experience designing, building and scaling web applications. He specializes in secure, high-performance backend systems and has extensive experience with Learning Management Systems, enterprise platforms, cloud infrastructure and identity management.

He has worked on complex backend architectures involving multi-tenant applications, authentication systems, SCIM provisioning, Kubernetes deployments, AWS infrastructure and PostgreSQL optimization — and enjoys solving hard engineering problems that keep systems reliable as the business grows.

Areas of expertise

  • Ruby on Rails (Rails 5, 6 and 7)
  • REST APIs and backend architecture
  • PostgreSQL and database design
  • Docker and Kubernetes
  • AWS (EC2, ECR, IAM, VPC, cloud infrastructure)
  • SCIM 2.0 provisioning
  • SAML and single sign-on (SSO)
  • Okta, Azure AD and Google Workspace integration
  • Redis and Sidekiq
  • ActiveAdmin
  • Multi-tenant SaaS applications
  • CI/CD pipelines
  • Git and GitHub Actions

Professional experience

Domains delivered

  • Learning Management Systems (LMS)
  • Enterprise Resource Planning (ERP)
  • Cloud infrastructure management
  • Identity & Access Management
  • Virtual lab platforms
  • User provisioning and authentication systems

What that work involves

  • Designing scalable backend services
  • Building secure RESTful APIs
  • Implementing SCIM provisioning for enterprise identity providers
  • Integrating SAML SSO with Okta, Azure AD and Google Workspace
  • Optimizing PostgreSQL databases and application performance
  • Deploying applications with Docker and Kubernetes
  • Managing AWS infrastructure and containerized workloads
  • Building background processing with Sidekiq
  • Improving reliability, security and maintainability

Technologies

Languages

  • Ruby
  • Python
  • JavaScript
  • SQL

Frameworks

  • Ruby on Rails
  • Django

Databases

  • PostgreSQL
  • Redis

Cloud & DevOps

  • AWS
  • Docker
  • Kubernetes
  • GitHub Actions
  • Linux

Authentication

  • SCIM 2.0
  • SAML
  • OAuth
  • OpenID Connect

Engineering philosophy

Rishav believes in writing clean, maintainable and well-tested code while keeping scalability and performance at the forefront. He values automation, continuous improvement and thoughtful system design, ensuring software stays reliable as products and teams grow.

“Building secure, scalable backend systems that power modern web applications.”

Planning a backend that has to scale?

Whether you are building a multi-tenant SaaS product, integrating enterprise SSO and SCIM provisioning, moving workloads to Kubernetes, or untangling a slow database, let’s talk through the shape of the work.

Schedule a consultation →