https://wavect.io/blog/overview/Engineering, product, and pricing essays from Wavect. Fractional CTO work, AI, Web3, QA, and what it actually costs to ship software.enhttps://wavect.io/blog/qa-for-ai-generated-code/https://wavect.io/blog/qa-for-ai-generated-code/Mon, 08 Jun 2026 00:00:00 +0000Christof JoriWhat breaks in code from Lovable, Cursor, Claude Code, and Replit before launch, and the production-readiness checklist we run to catch it.https://wavect.io/blog/lovable-cursor-prototype-to-production/https://wavect.io/blog/lovable-cursor-prototype-to-production/Mon, 08 Jun 2026 00:00:00 +0000Christof JoriGetting 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.https://wavect.io/blog/vibe-coded-software-audit/https://wavect.io/blog/vibe-coded-software-audit/Mon, 08 Jun 2026 00:00:00 +0000Christof JoriYou 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.https://wavect.io/blog/rag-production-readiness-checklist-eu/https://wavect.io/blog/rag-production-readiness-checklist-eu/Mon, 08 Jun 2026 00:00:00 +0000Christof JoriA 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.https://wavect.io/blog/best-software-agencies-austria-ai-mvp/https://wavect.io/blog/best-software-agencies-austria-ai-mvp/Mon, 08 Jun 2026 00:00:00 +0000Kevin RiedlThere 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.https://wavect.io/blog/ai-mvp-cost-austria-2026/https://wavect.io/blog/ai-mvp-cost-austria-2026/Mon, 08 Jun 2026 00:00:00 +0000Kevin RiedlHonest 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.https://wavect.io/blog/when-not-to-hire-wavect/https://wavect.io/blog/when-not-to-hire-wavect/Mon, 08 Jun 2026 00:00:00 +0000Kevin RiedlAn 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.https://wavect.io/blog/forschungspraemie-software-development-austria/https://wavect.io/blog/forschungspraemie-software-development-austria/Tue, 02 Jun 2026 00:00:00 +0000Christof JoriAustria'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.https://wavect.io/blog/llm-evaluation-cost-roi-production/https://wavect.io/blog/llm-evaluation-cost-roi-production/Mon, 01 Jun 2026 00:00:00 +0000Kevin RiedlAn 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.https://wavect.io/blog/cross-chain-bridge-security-decision/https://wavect.io/blog/cross-chain-bridge-security-decision/Sun, 31 May 2026 00:00:00 +0000Kevin RiedlRonin, 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.https://wavect.io/blog/austrian-startup-funding-stacking-aws-ffg/https://wavect.io/blog/austrian-startup-funding-stacking-aws-ffg/Sat, 30 May 2026 00:00:00 +0000Christof Joriaws 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.https://wavect.io/blog/react-native-vs-flutter-dach-hiring/https://wavect.io/blog/react-native-vs-flutter-dach-hiring/Fri, 29 May 2026 00:00:00 +0000Kevin RiedlThe 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.https://wavect.io/blog/lorawan-nbiot-sigfox-pilot-cost/https://wavect.io/blog/lorawan-nbiot-sigfox-pilot-cost/Thu, 28 May 2026 00:00:00 +0000Kevin RiedlOne 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.https://wavect.io/blog/focus-bottleneck-orchestrating-ai-agents/https://wavect.io/blog/focus-bottleneck-orchestrating-ai-agents/Tue, 26 May 2026 00:00:00 +0000Kevin RiedlLLMs moved the bottleneck from typing to focus. The orchestration ceiling, seven failure modes past N agents, and how we ration agent count.https://wavect.io/blog/smart-contract-security-checklist-pre-audit/https://wavect.io/blog/smart-contract-security-checklist-pre-audit/Tue, 26 May 2026 00:00:00 +0000Kevin RiedlThe 30-item internal checklist we run on Solidity code before sending it to an external auditor. Compiler, access control, reentrancy, gas surfaces.https://wavect.io/blog/fractional-cto-austria-day-rates/https://wavect.io/blog/fractional-cto-austria-day-rates/Tue, 26 May 2026 00:00:00 +0000Kevin RiedlHonest 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.https://wavect.io/blog/eu-ai-act-compliance-cost-startup/https://wavect.io/blog/eu-ai-act-compliance-cost-startup/Tue, 26 May 2026 00:00:00 +0000Christof JoriLine-item EUR 30 to 80k breakdown. Legal review, risk classification, technical documentation, conformity assessment, data governance, post-market monitoring.https://wavect.io/blog/werkvertrag-vs-time-material-austrian-saas/https://wavect.io/blog/werkvertrag-vs-time-material-austrian-saas/Tue, 26 May 2026 00:00:00 +0000Kevin RiedlWho owns scope risk, how acceptance works under ABGB, how bookkeeping treats each, and when to pick which contract model for an Austrian build.https://wavect.io/blog/products-shipped-failure-benchmark/https://wavect.io/blog/products-shipped-failure-benchmark/Tue, 26 May 2026 00:00:00 +0000Kevin RiedlAggregate outcome distribution across Wavect-shipped products. How many scaled, how many sunset, how many landed in the boring middle.https://wavect.io/blog/web3-mandates-gas-cost-l1-l2-hindsight/https://wavect.io/blog/web3-mandates-gas-cost-l1-l2-hindsight/Tue, 26 May 2026 00:00:00 +0000Kevin RiedlWhere gas costs actually accrued across 21 builds, and what we would chain-pick today. Ethereum, Arbitrum, Optimism, Polygon, Base, Solana compared.https://wavect.io/blog/fixed-price-vs-tm-scope-creep-rates/https://wavect.io/blog/fixed-price-vs-tm-scope-creep-rates/Tue, 26 May 2026 00:00:00 +0000Kevin RiedlActual scope-change frequency across fixed-price and time-and-material engagements. Why a signed Werkvertrag SoW is the contract feature, not the price.https://wavect.io/blog/fractional-cto-when-to-hire-austria/https://wavect.io/blog/fractional-cto-when-to-hire-austria/Tue, 26 May 2026 00:00:00 +0000Kevin RiedlLoaded year-one cost of an in-house senior CTO in Austria versus a fractional retainer. When each wins, when each is wrong.https://wavect.io/blog/mica-fma-crypto-licensing-austria-2026/https://wavect.io/blog/mica-fma-crypto-licensing-austria-2026/Tue, 26 May 2026 00:00:00 +0000Kevin RiedlEngineering perspective on the Austrian crypto rulebook. CASP categories, capital floors, FMA touch-points, and the questions founders keep asking.https://wavect.io/blog/gdpr-ai-act-stacking-dach-saas/https://wavect.io/blog/gdpr-ai-act-stacking-dach-saas/Tue, 26 May 2026 00:00:00 +0000Christof JoriThe compliance stack for a 5-person team. Decision tree on Annex III risk, plus the matrix of who owns which control.https://wavect.io/blog/why-ai-agent-projects-get-cancelled/https://wavect.io/blog/why-ai-agent-projects-get-cancelled/Tue, 26 May 2026 00:00:00 +0000Christof JoriEight patterns we keep seeing across AI agent engagements. What they look like, how they kill the project, and the cheap fix when caught early.https://wavect.io/blog/rag-vs-finetune-vs-longcontext-2026/https://wavect.io/blog/rag-vs-finetune-vs-longcontext-2026/Tue, 26 May 2026 00:00:00 +0000Christof JoriThe decision tree has changed. Where the new crossovers sit and a cost model in EUR for a 100MB corpus at 10k queries per month.https://wavect.io/blog/llm-api-costs-2026-architecture-shift/https://wavect.io/blog/llm-api-costs-2026-architecture-shift/Tue, 26 May 2026 00:00:00 +0000Christof JoriTokens 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.https://wavect.io/blog/ethereum-to-solana-migration-cost/https://wavect.io/blog/ethereum-to-solana-migration-cost/Tue, 26 May 2026 00:00:00 +0000Kevin RiedlHonest teardown of an Ethereum to Solana migration. Account model, EVM to SVM tooling gap, indexer rebuild, wallet UX, token standards, redeploy cost.https://wavect.io/blog/zero-knowledge-use-cases-outside-crypto/https://wavect.io/blog/zero-knowledge-use-cases-outside-crypto/Tue, 26 May 2026 00:00:00 +0000Kevin RiedlSix non-crypto ZK use cases. Privacy-preserving KYC, age verification, supply chain provenance, private credentials, confidential ML inference.https://wavect.io/blog/account-abstraction-erc4337-production/https://wavect.io/blog/account-abstraction-erc4337-production/Tue, 26 May 2026 00:00:00 +0000Kevin RiedlSix things ERC-4337 fixes versus six things it does not. Plus EIP-7702, bundler centralization risk, and paymaster economics.https://wavect.io/blog/agile-fixed-pricing/https://wavect.io/blog/agile-fixed-pricing/Sun, 02 Jun 2024 00:00:00 +0000Kevin RiedlEveryone hates hourly pricing, so they ask for fixed prices instead. Here's the problem, fixed pricing on software projects is just as broken.https://wavect.io/blog/why-agencies-are-bad/https://wavect.io/blog/why-agencies-are-bad/Fri, 07 Jun 2024 00:00:00 +0000Kevin RiedlFaulty software, blown deadlines, surprise invoices. The horror stories are real, but the real problem with agencies might not be what you think.https://wavect.io/blog/test-driven-development/https://wavect.io/blog/test-driven-development/Mon, 17 Jun 2024 00:00:00 +0000Christof JoriTesting 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.https://wavect.io/blog/software-a-breathing-organism/https://wavect.io/blog/software-a-breathing-organism/Sat, 29 Jun 2024 00:00:00 +0000Kevin RiedlSoftware 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.https://wavect.io/blog/product-factory-kills/https://wavect.io/blog/product-factory-kills/Tue, 02 Jul 2024 00:00:00 +0000Christof JoriMost 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.https://wavect.io/blog/road-to-product-market-fit/https://wavect.io/blog/road-to-product-market-fit/Sun, 08 Sep 2024 00:00:00 +0000Kevin RiedlEveryone talks about PMF. Almost nobody achieves it. The fastest way to guarantee you never will? Focus on the wrong things from day one.