Engineering strategy notes lethain.com

A collection of links on the topic gathered.

Solving the Engineering Strategy crisis lethain.com

A unified theory of Engineering strategy, with a particular emphasis on how you can drive strategy.

Engineering strategy lethain.com

What's an engineering strategy.

Writing an engineering strategy lethain.com

A guide on how to write and document an engineering strategy.

You need to understand the business to design a good engineering strategy learnings.aleixmorgadas.dev

A set of relevant aspects of the business that help people to have a broader understanding to improve their engineering strategy with a set of questions to ask to the domain experts.

When and when not to do an engineering strategy learnings.aleixmorgadas.dev

Using Cynefin Framework, it shares in which domains designing an engineering strategy makes more sense compared to just execute.

The outcome of the strategy becomes culture learnings.aleixmorgadas.dev

Culture guides and constrains your strategy. Using strategy to influence your culture.

Qatium Product Market Fit learnings.aleixmorgadas.dev

An engineering strategy when the product verifies product market fit and the engineering isn't evolving the practices to match the new product needs.

Mobile onboarding evolution at Flo Health learnings.aleixmorgadas.dev

An engineering strategy to enable fast experimentation during the onboarding for a B2C application.

Interim Platform Teams learnings.aleixmorgadas.dev

When a stream-aligned team starts supporting internal customers and acting as an interim platform team. How to deliver a great internal experience while delivering features for external clients.

Engineering strategy is more similar to poker than to chess learnings.aleixmorgadas.dev

A comparison of chess and poker games and how they relate to engineering strategy.

Engineering Strategy is a Fractal learnings.aleixmorgadas.dev

How to apply organization engineering strategy to the local context while keeping aligned with organization goals.

Engineering strategy beyond good and best practices learnings.aleixmorgadas.dev

How only investing on good and best engineering practices won't position your company ahead of the competition that makes context specific decisions.

Designing an Engineering Strategy Post Series learnings.aleixmorgadas.dev

How to build an engineering strategy from 0.

Dealing with teams with competing priorities and needs learnings.aleixmorgadas.dev

An engineering strategy example of how to deal with teams with competing priorities.

Community Startup learnings.aleixmorgadas.dev

Prove product market fit with an MVP.

Combining Engineering Strategy with the North Star Framework ⭐ learnings.aleixmorgadas.dev

How to combine an engineering strategy with the north star framework to be guided by actionable metrics.

🗺🧭 Using Wardley Mapping to understand why Google made G. Appointments to compete in the Calendly market learnings.aleixmorgadas.dev

Using wardley mapping to understand google appointments.

Pragmatic Wardley Mapping learn.hiredthought.com

An online course to introduce people into Wardley Mapping.

Implementing Domain-Driven Design kalele.io

Hands-on exercises show you how to use DDD strategic and tactical design in your implementations.

Fast Flow of Change kalele.io

Combining Wardley Mapping, DDD & Team Topologies, this workshop will help you to design for adaptability.

Good Strategy Bad Strategy: The Difference and Why It Matters goodreads.com

Understand the core components of a strategy.

The Value Flywheel Effect: Power the Future and Accelerate Your Organization to the Modern Cloud goodreads.com

Using Wardley Mapping and other sensemaking approaches to help organizations anticipate market changes and user needs.

Staff Engineer: Leadership Beyond the Management Track goodreads.com

How is the role of the staff engineer and how this role addresses the engineering strategy.

Strategic Monoliths and Microservices: Driving Innovation Using Purposeful Architecture goodreads.com

A set of strategic patterns on addressing business capabilities with a monolith and microservices approach.

UN Global Platform Handbook on Information Technology Strategy goodreads.com

A set of wardley maps on IT. Bringing situational awareness to different contexts.

More than 600 million users installed Android 'fleeceware' apps from the Play Store zdnet.com

A new kind of fraud, in which apps silently keep charging users after the end of the trial period.

Billed for ¥21,120, invoiced at ¥2,112,000 and paid ¥2,112,000 xunroll.com

Get rid of integers and floats for monetary values. Use decimals. Or face the risks of anomalous x100 charges.

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) - Or why you're likely to get an endless stream of complaining users if choosing utility pricing scheme: while accurate to the (milli-)cent, this model is frustrating for customers not ready to invest time grasping the underlying concepts.

Why was I charged? wpchrg.wordpress.com

Under a constant stream of user complaints about payments, WordPress created a dedicated subdomains to help customers understand unexpected transactions. The trick was to add this URL directly in the bank statement.

The untold story of Stripe wired.co.uk

In which we learn that “once turnover hit a certain level, Paypal automatically put the business on a 21 to 60 day rolling reserve, meaning that up to 30 per cent of a company's revenue could be locked up for up to two months.”

Socially Optimal Pricing of Cloud Computing Resources webee.technion.ac.il

“The socially optimal operating point is unique, and can be sustained by a linear, usage-based tariff, which charges a fixed price per unit resource and unit time.” This paper justify usage-based pricing for cloud resources.

The Challenges of Operating a Computing Cloud and Charging for its Use web.stanford.edu

Skip the first 90% of this presentation by an AWS VP (which is about general system reliability). The last four slides are a good summary of what billing cloud services entails, especially the use of soft quotas to limit fraud.

Avoiding Double Payments in a Distributed Payments System web.archive.org

RDBMS were build for banks around transactions to solve that specific issue. Then NoSQL came forcing us to carefully implement systems to avoid double spending.

The Double-Entry Counting Method web.archive.org

Same premise as above, but way more detailed and complete, as it adds reporting and implementation details.

How to correctly setup SaaS subscriptions to charge VAT in Europe web.archive.org

“If you think you can just setup a simple Stripe integration and move on, like us, you'd be sadly mistaken.”

Finding the max revenue price mark for digital products web.archive.org

“To find the optimal price that provides maximum revenue for your product you will need to field-test several price points; you then reconstruct the revenue curve and find the peak.”

You're all calculating churn rates wrong web.archive.org

“On the surface, churn rate may seem like a natural proxy for changes in customer lifetimes. Let's dig into why that is not true.” Churn rate is not a meaningful metric to compute CLV: during the customer lifetime, the churn probability is not constant. Most of the time because…

Content of EU invoices web.archive.org

The information required on a EU invoice is detailed by Article 226, Section 4 (Content of invoices) of Council Directive 2006/112/EC on the common system of VAT.

The 5 Pillars of PriceOps web.archive.org

A manifesto inspired by the DevOps movement in which pricing is no longer ossified, but is practiced as a responsive iteration process, and implemented as a flexible property of the system.

Digital signatures: how Sleek leverages Cloud HSM to guarantee the integrity of legal documents web.archive.org

Here is a great way to rely on GCP's HSM to digitally sign documents and provide an immutable audit-trail. Might be applied to invoices as well as contract agreements.

Why not use Double or Float to represent currency? web.archive.org

Because of precision: floats and doubles cannot accurately represent the base 10 multiples that we use for money.

AWS reserved instances vs saving plan web.archive.org

A feature matrix of the different scheme and their average dicounts.

2017 Tax Software Developer's Guides web.archive.org

A list of test cases for developers to test their tax code against.

China’s Pinduoduo reports theft of online discount vouchers to police web.archive.org

The next level of fraud: “an online collective exploited a loophole on its platform to ‘steal’ tens of millions of yuan worth of discount vouchers”.

The SaaS Financial Model You'll Actually Use web.archive.org

A complete tour of the financials of a startup, which gives you extra-context on how the metrics you produce fit into the larger picture.

The Best Payment Gateway for Startups web.archive.org

A benchmark of top payment providers, their pricing and models.

Transforming Financial Forecasting with Data Science and Machine Learning at Uber web.archive.org

Discusses how Uber apply data science and machine learning in their financial planning platforms.

Five Fun Fraud Facts web.archive.org

Another tiny collection of features we can feed to a ML system to detect fraud. Comments on HN also unearthed more qualifying signals and derived geodata on the transaction.