FROM THE TRENCHES Issue №43

Opinions, Not Press Releases

Fractional CTPO vs a fractional CTO and CPO Leadership

Fractional CTPO vs CTO and CPO

When one combined head owning product and engineering beats hiring a fractional CTO and CPO separately, the eight-engineer split point, and the single-point-of-failure trade-off.

The vibe-code production-readiness checklist Engineering

The Vibe-Code Production-Readiness Checklist

A standalone, scannable checklist to run on any AI-generated app before real users touch it. Ten checks ordered by how often they bite, sorted into blocker, high, and cleanup.

What it costs to make a vibe-coded app production-ready Engineering

What It Costs to Make a Vibe-Coded App Production-Ready

Effort bands by product type, where the time actually goes, and what an audit typically finds, framed as money and timelines. The hardening is the spend; the audit tells you its size first.

Fractional CPO vs senior product manager Product Management

Fractional CPO vs Senior PM

What a fractional CPO, a senior PM, and hiring nobody yet each actually own. The PM-to-CPO progression and why most early-stage founders need none of them.

When to hire a fractional CPO in Austria Product Management

When to Hire a Fractional CPO

The honest framework. The post-PMF trigger, founder readiness to delegate the product call, when it backfires, and the freier Dienstvertrag contract shape.

How to cut LLM token costs in 2026 Engineering

How to Cut LLM Token Costs in 2026

Token prices collapsed, but agentic products still run up big bills. The playbook we apply in order, caching, batching, routing, the right model including the Chinese open-weight frontier, and context compression.

QA for AI-generated code, what breaks before launch Engineering

QA for AI-Generated Code

What breaks in code from Lovable, Cursor, Claude Code, and Replit before launch, and the production-readiness checklist we run to catch it.

From Lovable and Cursor prototype to production Engineering

From Lovable and Cursor Prototype to Production: The Migration Checklist

Getting to a demo is fast. Getting to production is a separate project. The checklist we run to harden an AI-IDE prototype, auth, data, secrets, hosting, and the keep-vs-rebuild call.

Vibe-coded software audit, what breaks before launch Engineering

Vibe-Coded Software Audit: What Breaks Before Launch

You shipped software you never read. Here is the structured read we run on AI-generated code, the seven things we check first, and what blocks launch versus what can wait.

RAG production-readiness checklist for EU companies Engineering

RAG Production-Readiness Checklist for EU Companies

A RAG demo is easy. A trustworthy, GDPR- and AI-Act-defensible, affordable RAG assistant is not. The retrieval, grounding, cost, compliance, and security checks we run before one ships.

Best software agencies in Austria for AI MVPs and startups Project Management

Best Software Agencies in Austria for AI MVPs and Startups (2026)

There is no single best software agency in Austria. A founder's honest, fair guide to picking the right category for your stage, budget, and how AI-core your product is, plus ten questions to ask before you sign.

How much an AI MVP costs in Austria in 2026 Product Management

How Much Does an AI MVP Cost in Austria in 2026?

Honest EUR bands by tier, what drives the number up or down, the build/buy/fine-tune call, the ongoing costs people forget, and how the Austrian funding stack changes the real price.

When not to hire Wavect Project Management

When Not to Hire Wavect

An honest list of the six cases where Wavect is the wrong call, who to use instead, and the narrow set of work we actually do best.

Can a software studio claim Austria's Forschungsprämie Project Management

Can a Software Studio Claim Austria's Forschungsprämie?

Austria's Forschungsprämie pays back 14% of qualifying R&D costs in cash, even at a loss. Which dev costs count, what gets rejected by the FFG, and how it compares to Germany's Forschungszulage.

When Is an LLM Eval Worth Building Technology

When Is an LLM Eval Worth Building? Cost, ROI, and Trusting the Judge

An LLM eval is worth building when stakes, volume, and prompt-change frequency exceed the cost of the harness. The model bill is a few dollars per run; the real cost is a dataset and a judge you can trust.

Why cross-chain bridges keep getting drained Technology

Why Cross-Chain Bridges Keep Getting Drained

Ronin, Wormhole, and Nomad lost over $1.1B between them. The root cause is the trust model, not the code. Plus whether you even need a bridge.

aws Preseed plus FFG plus Forschungspraemie funding stack Austria Project Management

How Austrian Startup Funding Actually Stacks

aws Preseed, FFG Basisprogramm, and the 14% Forschungsprämie stack legally, but the double-funding rule nets out overlapping euros. Caps, a worked example, and the order to apply.

React Native vs Flutter for a DACH founder hiring locally Technology

React Native vs Flutter for a DACH Founder Who Has to Hire Locally

The variable every comparison skips is who you can actually hire in Innsbruck, Vienna, Munich, or Zurich. Why React Native usually wins the DACH hiring math.

LoRaWAN vs NB-IoT vs Sigfox IoT sensor pilot cost Technology

LoRaWAN vs NB-IoT vs Sigfox: How to Budget an IoT Sensor Pilot

One decision drives 80% of your pilot cost, and it is not the radio. Private network you own versus carrier subscription you rent, with a worked TCO crossover.

Focus is the new bottleneck when orchestrating AI agents Technology

Focus Is the New Bottleneck

LLMs moved the bottleneck from typing to focus. The orchestration ceiling, seven failure modes past N agents, and how we ration agent count.

Smart contract security checklist before external audit Technology

Smart Contract Security Checklist (30 Items)

The 30-item internal checklist we run on Solidity code before sending it to an external auditor. Compiler, access control, reentrancy, gas surfaces.

Fractional CTO day rates in Austria Product Management

Fractional CTO Day Rates in Austria

Honest day rate bands for a fractional CTO in Innsbruck, Vienna, Linz. What EUR/day actually buys at Pre-seed, Seed, Series A, and scale-up.

EU AI Act compliance cost breakdown for a 5-person startup Project Management

EU AI Act Cost for a 5-Person Startup

Line-item EUR 30 to 80k breakdown. Legal review, risk classification, technical documentation, conformity assessment, data governance, post-market monitoring.

Werkvertrag versus Time-and-Material for Austrian SaaS founders Project Management

Werkvertrag vs T&M for Austrian SaaS

Who owns scope risk, how acceptance works under ABGB, how bookkeeping treats each, and when to pick which contract model for an Austrian build.

Products shipped, how many failed, and the boring middle Product Management

Products We Shipped. How Many Failed

Aggregate outcome distribution across Wavect-shipped products. How many scaled, how many sunset, how many landed in the boring middle.

21 Web3 mandates and gas cost hindsight Technology

21 Web3 Mandates. Gas Cost Hindsight

Where gas costs actually accrued across 21 builds, and what we would chain-pick today. Ethereum, Arbitrum, Optimism, Polygon, Base, Solana compared.

Scope creep rates across fixed-price and T&M engagements Project Management

Scope-Creep Rates. Our Numbers

Actual scope-change frequency across fixed-price and time-and-material engagements. Why a signed Werkvertrag SoW is the contract feature, not the price.

When a fractional CTO beats hiring in Austria Product Management

When a Fractional CTO Beats Hiring

Loaded year-one cost of an in-house senior CTO in Austria versus a fractional retainer. When each wins, when each is wrong.

MiCA and FMA reality for Austrian Web3 startups in 2026 Project Management

MiCA + FMA Reality Austria 2026

Engineering perspective on the Austrian crypto rulebook. CASP categories, capital floors, FMA touch-points, and the questions founders keep asking.

GDPR plus EU AI Act stacking for DACH SaaS founders Project Management

GDPR + EU AI Act for DACH SaaS

The compliance stack for a 5-person team. Decision tree on Annex III risk, plus the matrix of who owns which control.

Why 40 percent of AI agent projects get cancelled Technology

Why 40% of AI Agent Projects Die

Eight patterns we keep seeing across AI agent engagements. What they look like, how they kill the project, and the cheap fix when caught early.

RAG versus fine-tuning versus long-context cost crossover in 2026 Technology

RAG vs Fine-Tuning vs Long-Context 2026

The decision tree has changed. Where the new crossovers sit and a cost model in EUR for a 100MB corpus at 10k queries per month.

LLM API costs dropped 80 percent in 2026 Technology

LLM API Costs 2026. Architecture Shift

Tokens are cheap now. Architecture tracks the price curve. Seven moves to make in 2026 now that context windows are huge and routing is the lever.

Ethereum to Solana migration cost teardown Technology

Ethereum to Solana Migration Cost

Honest teardown of an Ethereum to Solana migration. Account model, EVM to SVM tooling gap, indexer rebuild, wallet UX, token standards, redeploy cost.

Zero-knowledge proof use cases outside crypto Technology

Zero-Knowledge Outside Crypto

Six non-crypto ZK use cases. Privacy-preserving KYC, age verification, supply chain provenance, private credentials, confidential ML inference.

Account abstraction ERC-4337 in production Technology

Account Abstraction in Production

Six things ERC-4337 fixes versus six things it does not. Plus EIP-7702, bundler centralization risk, and paymaster economics.

Road to PMF Product Management

Road to Product Market Fit

Everyone talks about PMF. Almost nobody achieves it. The fastest way to guarantee you never will? Focus on the wrong things from day one.

Feature fabric Product Management

Escaping The Feature Trap

Most products die from too many features, not too few. Here's how to stop building everything and start shipping the one thing that actually matters.

Software a breathing organism header Project Management

Software - a Breathing Organism

Software is never finished, yet most companies budget it like it is. Here's how to stop burning money and start building something users rave about.

Test Driven Development Technology

Why Test-Driven-Development pays off

Testing has created the illusion that it is costly, slows down your development speed and blocks your engineering department. When in reality, it saves you BIG money.

Software Project Budgets Header Project Management

Why People think Agencies suck

Faulty software, blown deadlines, surprise invoices. The horror stories are real, but the real problem with agencies might not be what you think.

Agile Fixed Pricing Header Project Management

Pricing Software Projects the Right Way

Everyone hates hourly pricing, so they ask for fixed prices instead. Here's the problem, fixed pricing on software projects is just as broken.

End of issue №43 · More from the trenches every fortnight.