Multi-Tenant SaaS Platforms
We've designed and built production multi-tenant Rails platforms serving dozens of enterprise clients from a single codebase. Sophisticated tenancy patterns, per-client configuration, and zero shared-state leakage.
// Services //
Ruby on Rails Development
Senior Rails engineers with deep production experience. From complex multi-tenant SaaS platforms to AI-integrated enterprise applications — we've been building with Rails since its earliest days and we know every corner of the framework.
What we build
Enterprise Applications
Complex data models, intricate business rules, regulatory compliance, and long-term maintainability. Applications that have been in production for years without requiring architectural rewrites.
API Development
Robust RESTful and GraphQL APIs with proper authentication, versioning, rate limiting, and observability. Built to serve both internal consumers and third-party integrations reliably at scale.
AI Integration
LLM integration, multi-agent systems, and RAG pipelines built directly into Rails applications. We build production AI features — not prototypes — with the reliability and observability production demands.
Legacy Rails Modernisation
Upgrades from legacy Rails versions, dependency modernisation, test coverage improvements, and architectural refactoring — all without interrupting production systems or rewriting what works.
Background Processing & Integrations
Complex asynchronous workflows, third-party API integrations, webhook handling, and scheduled jobs. Reliable background processing with proper error handling, retries, and monitoring.
Senior Rails experience, not just familiarity
Rails is our primary delivery platform. We've been building production Rails applications for enterprise clients since the framework's early years — multi-tenant SaaS platforms, clinical trial systems, enterprise recruiting suites, and financial services applications. The patterns we use are battle-tested against real production load, not carried over from tutorials.
We work with modern Rails: Hotwire, Turbo, and Stimulus for responsive, reactive interfaces without the overhead of a separate JavaScript framework. Rails 8's solid queue, solid cache, and native tooling for production deployments. ActiveRecord patterns that hold up under complexity rather than collapsing into unmaintainable query soup.
AI tools have significantly accelerated our Rails work — AI-assisted code generation, automated test writing, and intelligent code review all contribute to faster delivery. But the judgement about architecture, performance, security, and long-term maintainability still comes from engineers who have shipped and maintained Rails applications for years.
// Client Feedback //
What clients say about our software work
CLINICAL TRIALS & DIGITAL HEALTH
A trusted partner in highly regulated environments
“They have been a trusted partner for over 16 years, playing a key role in designing and delivering reliable, high-quality clinical trial and digital healthcare solutions, supported by strong AWS expertise. Their highly customer-focused approach and willingness to go the extra mile consistently set them apart”
TALENT ACQUISITION (OUTSOURCING)
A true partner from start to finish
“Seeing the site finally launch, I'm reflecting on what a great partnership this was with Elysium. They were extremely helpful through the entire process and incredibly patient with the many client comments and post-approval revisions. I can't thank them enough”
PUBLIC SECTOR RECRUITMENT
Delivered at scale, without disruption
“A big thank you to the team for the successful launch of our new job board platform. To complete such a large project with no real showstoppers should be applauded; we are rightly proud of the new board and very pleased with the results.”
EXHIBITIONS & EVENTS (ABPS)
Built for long-term reliability
“Elysium has been a total pleasure to work with over the last couple of years. I am confident that thanks to their expertise, I am passing on a system which will serve the ABPS extremely well for many years to come.”
E-LEARNING & CAREER TOOLS
Responsive, capable, and collaborative
“Elysium proved to be incredibly capable and responsive to our client’s needs. We really appreciated having their expertise on our calls — a productive partnership that truly understands the client's perspective.”
TALENT ACQUISITION
A reliable, highly accommodating partner
“Elysium has been a hugely accommodating partner over the last few months. Our team has been incredibly complimentary about their work — and quite right too. It’s a pleasure working with such a supportive team.”
TALENT ACQUISITION
A trusted part of our workflow
“Elysium has been absolutely amazing and a true, valued partner of ours. They have been an incredible asset to our workflow, providing a level of support that is both professional and reliable.”
// GET STARTED //
Ready to build something great?
Get in touch with our Team. No sales process, no pitch decks — just a direct conversation about what you need.