Software architecture studio · Toronto
We design and build AI agents and the evaluations that prove they work, fintech and digital identity systems, and multi-tenant SaaS on AWS, led hands-on by a principal architect with 20+ years in banking, identity, payments and healthcare.
Led by
Arshad Ali
Principal Architect · 20+ years
20+years
designing and shipping production systems
20+systems
integrated in one bank mortgage platform
3d → ½d
typical mortgage application processing time after the rebuild
5products
designed, built and run in-house
What we do
Six areas, each with a clear starting engagement and a published price.
AI agents for document-heavy, judgment-heavy work, with human review, audit trails and measured accuracy built in.
Learn moreEvaluation suites and reinforcement-learning environments that show whether an AI agent really does the job, before your customers find out.
Learn moreArchitecture for lending, payments and identity systems that have to satisfy banks, regulators and security reviews.
Learn moreSecure, multi-tenant SaaS on AWS, from a first MVP to a platform that passes enterprise security reviews.
Learn moreMove from a fragile monolith to modern, cloud-native services step by step, without a risky big-bang rewrite.
Learn moreSenior architecture leadership on a monthly retainer, for companies that need a principal architect rather than a full-time hire.
Learn moreSelected work
Work led by our principal architect. Client names are withheld under confidentiality agreements.
A top Canadian bank
Solution architect, end to end
Designed and led delivery of a platform integrating 20+ internal and external systems. Typical application processing went from three days to under half a day.
A federated identity network used by Tier-1 banks and government
Solutions architect, working with the CTO
Integrated enterprise partners using OAuth 2.0, OIDC, SAML and mTLS, and led a bank-consortium identity proof of concept in Australia.
An AI company serving frontier labs
Principal engineering consultant
Delivered two projects building reliable environments and tasks used to train and evaluate AI agents and frontier models.
A leading long-term-care software platform
Development team lead
Redesigned the core engine that exchanges millions of medical records with hundreds of external vendors in many formats.
Engagements
Start with a review, or go straight to a fixed-scope sprint. Prices in Canadian dollars.
CAD $4,500
2 weeks
A senior review of your system, plans and team, with a written, prioritized roadmap.
From CAD $15,000
3 weeks
Find out whether your AI agent is ready for production, with an evaluation suite you keep.
From CAD $28,000
4–6 weeks
A working, production-grade slice of your product: an MVP, an AI workflow or a critical integration.
From CAD $9,500 / month
Monthly, 3-month minimum
A principal architect on your leadership team for a set number of days each month.
Canada · Open banking
Accreditation, consent, security and data-sharing APIs are coming. Read our guide, or ask about an Open Banking Readiness Assessment.
Who you’ll work with
Principal Architect
Arshad has spent more than 20 years designing and building systems where mistakes are expensive: bank lending platforms, a national digital identity network, payments SaaS, healthcare integrations and, most recently, the environments used to train and evaluate AI agents. He leads every AceOar engagement personally.
01
Our principal architect leads and does the work. No hand-off to a junior team after the sales call.
02
You know the price before we start. Scope and acceptance criteria are agreed in writing.
03
Tests and evaluations show the work meets the criteria, especially for AI, where “it seems to work” isn’t enough.
04
Code, infrastructure and documentation live in your accounts and repositories from day one.
Built by AceOar
Our own SaaS products, built on the same architecture we recommend to clients.
Insights
Architecture
A deep dive into the pros and cons of Serverless (AWS Lambda) and Containers (Docker, Kubernetes) to help you decide which architecture best fits your next SaaS application.
SaaS
Learn the core principles of building a secure, scalable, and cost-effective multi-tenant SaaS application on AWS, from data isolation strategies to tenant onboarding.
AI
Go from theory to practice. This step-by-step guide shows you how to build a simple but powerful AI agent to automate a real-world business workflow using modern LLMs.
Newsletter
Occasional, practical notes on AI agents, evaluation, fintech architecture and SaaS on AWS. No spam.
Next step
Send a short description of your project or problem. You’ll get a reply from our principal architect within two business days, with an honest view on whether we’re the right fit.
