Business
From backlog to a usable workflow
Walk through a complete user journey, inspect a failed integration and turn observations into requirements, owners and decisions before estimating development.
Sparkler Soft6 Nov 20263 min read
Blog
Engineering Notes, Not Marketing Copy
Current engineering notes on iOS, Android, web, ML, and DevOps, plus selected technology news from our 2021–2022 archive.
Business
Software Project Handover Checklist: Moving to a New Development Team
Plan a software project handover with a checklist covering code, access, builds, integrations, documentation, releases and ownership.
Sparkler Soft29 Oct 20266 min read
Business
How to Brief a Software Development Partner: A Practical Checklist
Prepare a useful project brief with clear goals, users, first-release priorities, constraints and open questions. Includes a practical checklist and a fictional example.
Sparkler Soft22 Oct 20267 min read
iOS
App Store Review Checklist: Five Areas to Check Before Submission
Check login, permissions, purchases, backend availability and review access, then use a practical workflow to investigate rejection feedback.
Serg Bogatenko27 Sept 20262 min read
Android
Is Kotlin Multiplatform Ready for Production? A Practical Decision Guide
Compare native apps, shared logic and shared UI, then scope a representative feature to evaluate the approach for your product and team.
Oleg Bogatenko27 Sept 20263 min read
Web
REST vs. GraphQL in 2026: A Decision Framework, Not a Religion
The right question isn't "which is better" — it's how many different clients need overlapping-but-different shapes of the same data.
Oleg Bogatenko27 Sept 20261 min read
Machine Learning
5 Things That Break When You Move ML From Notebook to Production
Training/serving skew, silent data drift, and unowned retraining pipelines — the ordinary cost of running ML as a real product feature.
Oleg Bogatenko27 Sept 20261 min read
DevOps
Kubernetes Cost Optimisation: Measure Before You Change
Right-sizing, targeted Spot usage, traffic-shaped autoscaling, and storage tiering — a practical cost review
Oleg Bogatenko27 Sept 20261 min read
Business
Outsourcing vs. In-House Development: A Framework for CTOs
The useful question isn't "build or buy" — it's which work benefits from deep institutional knowledge, and which is well-scoped and time-bound.
Victoria Lapidus27 Sept 20261 min read
iOS
3 Areas to Check When Profiling SwiftUI Performance
View updates, stable collection identity and the cost of creating views — three areas to investigate with profiling tools.
Aleksander Pavlov27 Sept 20261 min read
DevOps
CI/CD Pipeline Checks for Repeatable Releases
Environment drift, poorly-keyed caches, tests skipped under pressure, and no fast rollback path — checks to make before your next release.
Sergey Lapidus27 Sept 20261 min read
ArchiveMachine Learning
Artificial Intelligence: Narrow, General and Superintelligent Systems
The original November 2022 explainer introduced three terms often grouped together under artificial intelligence: narrow AI, general AI and superintelligence. They describe different levels of capability, rather than three interchangeable labels for the same technology.
Sparkler Soft archive15 Nov 20221 min read