Coinomatic

Challenge

Equisix needed to turn an evolving concept and early prototype into a trustworthy commercial product that could automate financially sensitive actions without taking custody of customer funds. The system had to make scheduled and deposit-triggered workflows predictable, isolate exchange credentials, explain every outcome, support subscription tiers, and operate safely in production.

My Role & Ownership

I led the product from planning to public release: clarifying requirements, writing product and technical specifications, defining acceptance criteria, shaping the responsive user journeys, designing the architecture, and implementing application, APIs, automation runtimes, infrastructure, billing, observability, and support tooling. I then integrated it with marketing site, validated and executed the production launch. Specification-led AI coding agents increased delivery speed while I retained direct ownership of architecture, security, review, testing, deployment, and release decisions.

Delivery & Engineering

• checkBuilt the responsive React and TypeScript application: verified signup and recovery, workspace management, Kraken connection, six-step automation builder, dashboards, logs, transactions, accounting exports, notifications, security, and subscription management.
• checkCreated the public Next.js site with an interactive product demo, pricing and founder program, legal pages, and production routing that serves the Vite application under /app through Vercel and CloudFront.
• checkDesigned and provisioned the AWS platform with SST/CDK, Cognito, API Gateway, Lambda, DynamoDB, SQS and dead-letter queues, S3, CloudFront, SES, SNS, CloudWatch, EC2, VPC networking, and a fixed-IP exchange runtime.
• checkEngineered deterministic scheduled and 24/7 deposit-monitoring automations with durable outboxes, idempotency, high-water cursors, retries, bounded failure recovery, auditable state transitions, and isolated exchange secrets.
• checkIntegrated Kraken, Stripe subscriptions and founder pricing, webhook idempotency, customer email notifications, downloadable accounting records, structured logs, alarms, health checks, and operator export and recovery tools.
• checkDelivered privacy-conscious AI support that reads sanitized workspace configuration and operational logs in a read-only context, explains failures, and persists scoped conversations without giving the model execution authority.
• checkBuilt from traceable specifications and acceptance criteria with unit, integration, end-to-end, UI-regression, infrastructure, notification, exchange-runtime, and post-deployment smoke coverage, backed by explicit release and rollback runbooks.

Result

Coinomatic is live at coinomatic.io as a subscription SaaS. Customers can sign up, connect Kraken, create scheduled or 24/7 monitoring automations, inspect executions and transactions, export accounting data, manage workspaces and billing, and get log-aware AI support. The release demonstrates delivery of an ambitious, high-sensitivity product from definition through secure implementation, production infrastructure, operational tooling, cutover, and ongoing ownership.

Highlights