Engineering and product blog

Practical guide to integrating Salesforce with an internal application: APIs, OAuth, events, limits, data models and common production errors.

How to synchronise stock between Shopify and ERP with webhooks, queues, idempotency, reconciliation and clear rules about the source of truth.

Technical comparison between BullMQ, pgmq and proprietary solutions for asynchronous jobs in Node.js. Real trade-offs in latency, scale and operational complexity.

Real technical comparison between Convex, Supabase and Firebase. Costs, architecture, scalability and trade-offs for founders to decide in production.

Churn is not destiny. A practical framework for identifying why customers leave, intervening before the point of no return, and building retention with real data, not hope.

Practical guide on when it really makes sense to hire a fractional CTO common pitfalls and how to structure the relationship to deliver ROI.

Which product metrics actually matter? Practical guide with a concrete framework for founders to monitor results without getting lost in vanity metrics.

Observability is not monitoring. Learn when you actually need it, what the real cost is, and how to avoid being locked into expensive tools while your SaaS is small.

Proven techniques for estimating custom projects with 20-30% accuracy. Discover the pitfalls we've seen in dozens of deals and how to avoid them.