Enterprise Ruby on Rails Development
Architecting scalable monoliths, secure financial gateways, and real-time multi-tenant SaaS products.
Services Offered
Monolithic & API-Only Rails Architecture
Designing structured modular monoliths or lightweight API-only configurations using Rails 7+. I specialize in configuring RESTful JSON:API compliance, secure JSON Web Token (JWT) stateful/stateless sessions, and optimizing active-model serializers to stream fast responses to frontend clients like Next.js and mobile apps.
ActiveRecord Query Optimization & DB Tuning
Resolving performance-killing N+1 query patterns using proactive preloading (`includes`, `eager_load`, `preload`), creating custom database indexes, utilizing composite keys, and constructing complex raw SQL aggregations when ActiveRecord abstractions fall short. I specialize in scaling PostgreSQL and MySQL under Rails applications.
Robust Background Processing & Event Systems
Implementing distributed background job architectures using Sidekiq, Resque, and Solid Queue. I configure high-throughput job priority queues, handle retry behaviors, prevent memory bloat in long-running tasks, and leverage Redis or PostgreSQL database adapters to handle millions of asynchronous jobs daily.
Multi-Tenant SaaS Infrastructure & Isolation
Implementing clean multi-tenant architectures utilizing schema-based separation (e.g., via Apartment gem) or scoped column-based separation. I ensure strict security controls, secure tenant routing, company-specific subdomains, and isolated workspaces so that enterprise data is securely guarded.
Real-time WebSockets with ActionCable
Developing responsive live features such as notifications, chat rooms, collaborative documents, and real-time operational dashboard widgets. I optimize ActionCable subscription flows, integrate Redis Pub/Sub backends for cluster-wide communication, and scale concurrent socket connections.
Architecture & Engineering Design
My architectural philosophy revolves around "The Majestic Monolith" concept, ensuring that Rails remains highly organized, domain-driven, and modular before jumping into distributed microservices prematurely. However, when scale demands, I break out domains into clean service layers, POROs (Plain Old Ruby Objects), and query objects to prevent fat models and bloated controllers.
I employ design patterns such as: 1. **Service Objects**: Encapsulating complex business actions (e.g., billing, onboarding workflows) into single-responsibility objects. 2. **Query Objects**: Isolating complex ActiveRecord scopes and raw database logic away from models. 3. **Serializer & Presenter Layers**: Defining clean decorators for UI presentation and API payloads. 4. **ActiveJob Wrappers**: Decoupling long-running API operations from main thread cycles.
On the infrastructure side, I design Rails deployment topologies containing multiple Puma threads, auto-scaling sidekiq worker processes, a Redis state store, Nginx reverse proxy buffering, and a Postgres database replica cluster. I implement database pooling utilities (e.g., PgBouncer) to ensure connection limits are never saturated.
Proven Track Record
With over six years of dedicated experience developing production applications with Ruby on Rails, I have served as a core developer and architect for complex platforms. My journey includes building scalable recruitment systems, online course marketplaces, vector similarity real-estate search platforms, and high-volume ERP integrations. I have successfully scaled Rails applications from prototype to handling thousands of concurrent requests.
In my previous roles, I led major upgrades from older Rails versions to Rails 7, replacing legacy asset pipelines with modern importmaps and esbuild systems. I have integrated complex third-party platforms including Stripe for subscription billing, Twilio for communications, and Elasticsearch for catalog lookups. My primary objective is writing clean, readable, and highly testable Ruby code following OOP patterns, SOLID principles, and strict RSpec testing coverage (aiming for 90%+ testing limits).
Through practical experience, I have solved complex memory leakage issues in Rails containers, optimized database connection pools in multi-threaded Puma environments, and structured database transactions to prevent locking conflicts in critical operational paths.
Tooling & Ecosystem
Frameworks & Libraries
Databases & Caches
Deployment & Tooling
Related Portfolio Projects
Ready to Scale Your Ruby on Rails Architecture?
Whether you need a performance tune-up, database query optimization, a new multi-tenant SaaS feature, or a complete system rewrite, let's build a secure, maintainable, and high-performance Rails application together.
Let's Collaborate