Dylan Marin — Logistics ops turned self-taught engineer building production AI and homelab infrastructure.https://nalyd.dev/https://nalyd.dev/field-notes/my-homelab-is-where-i-learn-things/https://nalyd.dev/field-notes/my-homelab-is-where-i-learn-things/Three years and 50 containers later, my homelab has taught me more about ops discipline than half my day jobs combined. Here's what running your own production-minimum infrastructure actually looks like.Thu, 23 Apr 2026 00:00:00 GMThttps://nalyd.dev/integrations/multi-provider-tracking-fallback/https://nalyd.dev/integrations/multi-provider-tracking-fallback/How I designed and shipped a health-aware, quality-scored fallback system that dramatically improved shipment visibility continuity when primary tracking providers failed or returned incomplete data.Fri, 13 Mar 2026 00:00:00 GMThttps://nalyd.dev/integrations/resilient-api-integrations-rate-limiting-retry-fallback/https://nalyd.dev/integrations/resilient-api-integrations-rate-limiting-retry-fallback/How I designed and shipped production-grade retry, proactive rate limiting, and intelligent fallback logic across multiple third-party logistics APIs (Project44, Ocean Insights, Shipsgo, Magaya). No more cascading failures.Fri, 13 Mar 2026 00:00:00 GMThttps://nalyd.dev/playbooks/retry-backoff-fallback-no-duplicates/https://nalyd.dev/playbooks/retry-backoff-fallback-no-duplicates/Production retry patterns for logistics APIs: idempotent operations, exponential backoff with jitter, payload hashing, circuit breakers, and safe fallbacks.Fri, 13 Mar 2026 00:00:00 GMThttps://nalyd.dev/case-studies/safe-legacy-deprecation-logistics-modules/https://nalyd.dev/case-studies/safe-legacy-deprecation-logistics-modules/Mapped runtime usage, added feature switches and rollback guards, then removed deprecated PHP modules in waves—reduced ambiguity and maintenance risk with zero operational regressions.Thu, 12 Mar 2026 00:00:00 GMThttps://nalyd.dev/playbooks/api-integration-incident-response-playbook/https://nalyd.dev/playbooks/api-integration-incident-response-playbook/Practical playbook for diagnosing and resolving API integration incidents: impact-first triage, diagnostic ladder, mitigation tactics, and communication templates to accelerate recovery and reduce recurrence in logistics workflows.Thu, 12 Mar 2026 00:00:00 GMThttps://nalyd.dev/playbooks/soap-xml-integration-modern-services/https://nalyd.dev/playbooks/soap-xml-integration-modern-services/Patterns to contain SOAP/XML quirks in REST/JSON services: dedicated adapters, normalized domain contracts, fault taxonomy, retry discipline, and testable boundaries. Drawn from logistics production integrations.Thu, 12 Mar 2026 00:00:00 GMThttps://nalyd.dev/playbooks/missing-milestone-backfill-logic/https://nalyd.dev/playbooks/missing-milestone-backfill-logic/How I designed and implemented deterministic, transparent backfill logic that turns incomplete and out-of-order carrier events into coherent, trustworthy shipment timelines.Wed, 11 Mar 2026 00:00:00 GMThttps://nalyd.dev/case-studies/legacy-php-to-react-node/https://nalyd.dev/case-studies/legacy-php-to-react-node/Led incremental migration of core logistics workflows from brittle PHP/jQuery to React + Node.js — frontend bugs dropped ~50% (directional), feature delivery sped up dramatically, all with zero customer downtime.Tue, 10 Mar 2026 00:00:00 GMThttps://nalyd.dev/case-studies/silkcast-release-engineering/https://nalyd.dev/case-studies/silkcast-release-engineering/I took a personal Tauri media player from 'works on my machine' to automated cross-platform releases with MSI installers, proper MPV bundling, and production-grade CI/CD — all as a one-person project.Tue, 10 Mar 2026 00:00:00 GMThttps://nalyd.dev/case-studies/searchable-truck-rate-matrix-generated-quotes/https://nalyd.dev/case-studies/searchable-truck-rate-matrix-generated-quotes/How I turned one-off quote outputs into a reusable truck rate matrix so teams could capture pricing knowledge, search it later, and stop rebuilding the same answers from scratch.Mon, 09 Mar 2026 00:00:00 GMThttps://nalyd.dev/case-studies/stable-multi-single-quote-generation/https://nalyd.dev/case-studies/stable-multi-single-quote-generation/How explicit rendering + payload dedupe turned a brittle quoting system into a reliable one — with lessons on idempotency and operational semantics.Mon, 09 Mar 2026 00:00:00 GMThttps://nalyd.dev/integrations/defensive-data-contracts-logistics-api-payloads/https://nalyd.dev/integrations/defensive-data-contracts-logistics-api-payloads/How I introduced strict schema validation, normalization pipelines, and graceful degradation to protect our systems from inconsistent and drifting third-party logistics payloads (Project44, Ocean Insights, Shipsgo, etc.).Mon, 09 Mar 2026 00:00:00 GMThttps://nalyd.dev/case-studies/notification-reliability/https://nalyd.dev/case-studies/notification-reliability/Rebuilt a high-volume logistics notification pipeline with delivery tracking, priority queuing, intelligent retries, and multi-channel fallback.Fri, 06 Mar 2026 00:00:00 GMThttps://nalyd.dev/case-studies/cost-controlled-tracking-onboarding-paid-carrier-apis/https://nalyd.dev/case-studies/cost-controlled-tracking-onboarding-paid-carrier-apis/How I turned an expensive, failure-prone carrier tracking subscription flow into a predictable onboarding path with validation, concurrency safety, and explicit cost control.Thu, 05 Mar 2026 00:00:00 GMThttps://nalyd.dev/case-studies/stabilizing-air-shipment-event-pipelines/https://nalyd.dev/case-studies/stabilizing-air-shipment-event-pipelines/Reduced silent failures and manual reconciliation in a high-velocity air tracking pipeline by adding structured validation, idempotent processing, bounded retries, and better observability—without halting live traffic.Thu, 05 Mar 2026 00:00:00 GMThttps://nalyd.dev/case-studies/trustworthy-global-tracking-map-messy-route-data/https://nalyd.dev/case-studies/trustworthy-global-tracking-map-messy-route-data/How I turned sparse, inconsistent tracking coordinates into a believable global shipment map using geospatial normalization, antimeridian correction, and conservative current-position logic.Thu, 05 Mar 2026 00:00:00 GMThttps://nalyd.dev/integrations/idempotent-tracking-event-processing/https://nalyd.dev/integrations/idempotent-tracking-event-processing/How I designed and built idempotent event processing so carrier retries, webhook replays, and historical backfills no longer create duplicate milestones or corrupt shipment timelines.Thu, 05 Mar 2026 00:00:00 GMThttps://nalyd.dev/integrations/unified-milestone-model-cross-carrier-tracking/https://nalyd.dev/integrations/unified-milestone-model-cross-carrier-tracking/Normalized inconsistent carrier tracking events into a canonical milestone model for reliable cross-provider timelines in ocean and air workflows. Reduced operator translation effort and enabled consistent analytics without losing source traceability.Thu, 05 Mar 2026 00:00:00 GMThttps://nalyd.dev/case-studies/rag-agent-logistics-operations/https://nalyd.dev/case-studies/rag-agent-logistics-operations/Building a retrieval-augmented support assistant that helped operations staff triage recurring logistics issues faster and more consistently.Sun, 15 Feb 2026 00:00:00 GMThttps://nalyd.dev/field-notes/where-ai-actually-helps-ops-teams/https://nalyd.dev/field-notes/where-ai-actually-helps-ops-teams/Where RAG agents and workflow tools cut real friction in logistics ops, and where AI autonomy and generic assistants consistently fall short.Sun, 15 Feb 2026 00:00:00 GMThttps://nalyd.dev/case-studies/pricing-rules-admin-managed-configuration/https://nalyd.dev/case-studies/pricing-rules-admin-managed-configuration/How I moved pricing logic out of brittle UI code and into admin-managed configuration so charge rules, defaults, and thresholds could evolve without risky deploys.Mon, 09 Feb 2026 00:00:00 GMThttps://nalyd.dev/integrations/carrier-api-failure-detection-alerting/https://nalyd.dev/integrations/carrier-api-failure-detection-alerting/Production-grade monitoring and alerting for unreliable carrier APIs — early detection of outages, data degradation, and business impact in a logistics platform. Reduced alert noise and improved triage speed.Mon, 09 Feb 2026 00:00:00 GMThttps://nalyd.dev/case-studies/securing-legacy-auth-php-react-logistics/https://nalyd.dev/case-studies/securing-legacy-auth-php-react-logistics/Upgraded credential hashing, stabilized password recovery, and aligned frontend/backend validation in a mixed PHP/React stack—improved security and reduced support friction without locking out active users.Sat, 07 Feb 2026 00:00:00 GMThttps://nalyd.dev/case-studies/audit-ready-logging-logistics-workflows/https://nalyd.dev/case-studies/audit-ready-logging-logistics-workflows/I replaced scattered, unusable logs with structured, correlated events so ops could reconstruct timelines fast—cutting guesswork during live freight incidents.Fri, 02 Jan 2026 00:00:00 GMThttps://nalyd.dev/playbooks/data-import-validation-that-scales/https://nalyd.dev/playbooks/data-import-validation-that-scales/Real validation patterns I shipped for customer, shipment, and rate table imports. Tiered rules, warnings vs errors, preview mode, and configurable strictness that caught problems early without creating operational friction.Tue, 18 Nov 2025 00:00:00 GMThttps://nalyd.dev/integrations/logistics-api-incident-debug-workflow/https://nalyd.dev/integrations/logistics-api-incident-debug-workflow/Repeatable operational triage for flaky carrier and platform integrations: fingerprinting, correlation timelines, safe replay tooling, schema validation, and failure taxonomy to make isolation faster and less person-dependent.Fri, 07 Nov 2025 00:00:00 GMThttps://nalyd.dev/playbooks/legacy-module-deprecation-checklist/https://nalyd.dev/playbooks/legacy-module-deprecation-checklist/A systematic approach to removing deprecated code without breaking production systems.Wed, 05 Nov 2025 00:00:00 GMThttps://nalyd.dev/case-studies/scaling-php-typescript-boundary-logistics/https://nalyd.dev/case-studies/scaling-php-typescript-boundary-logistics/How I stabilized the PHP/TypeScript contract layer in live logistics systems — reducing boundary errors and enabling independent frontend evolution.Tue, 04 Nov 2025 00:00:00 GMThttps://nalyd.dev/case-studies/dashboard-modernization-98-percent-faster/https://nalyd.dev/case-studies/dashboard-modernization-98-percent-faster/How I moved a legacy shipment dashboard from 80-90 second load times to under 2 seconds using SQL preprocessing and a React/TanStack rebuild.Thu, 30 Oct 2025 00:00:00 GMThttps://nalyd.dev/playbooks/auditable-logging-logistics-workflows/https://nalyd.dev/playbooks/auditable-logging-logistics-workflows/How to build structured, correlated audit logs for logistics workflows that turn incident forensics from guesswork into evidence.Thu, 30 Oct 2025 00:00:00 GMThttps://nalyd.dev/field-notes/dashboard-modernization-retrospective-php-react/https://nalyd.dev/field-notes/dashboard-modernization-retrospective-php-react/Retrospective on modernizing a legacy logistics dashboard from PHP/jQuery to React: incremental migration wins, underestimated risks, and patterns I now apply to reduce rework and protect operations.Thu, 30 Oct 2025 00:00:00 GMThttps://nalyd.dev/integrations/carrier-event-normalization/https://nalyd.dev/integrations/carrier-event-normalization/How I built a normalization layer that converts inconsistent tracking events from Project44, Ocean Insights, Shipsgo, and other carriers into clean, standardized milestones used across dashboards, alerts, and customer notifications.Fri, 26 Sep 2025 00:00:00 GMThttps://nalyd.dev/integrations/edi-invoice-loop-ftp-xml-receipt-tracking/https://nalyd.dev/integrations/edi-invoice-loop-ftp-xml-receipt-tracking/How I built a partner-specific EDI invoice workflow with FTP delivery, XML template generation, acknowledgement imports, and resend controls so invoice delivery was tracked instead of guessed at.Mon, 15 Sep 2025 00:00:00 GMThttps://nalyd.dev/playbooks/building-reliable-logistics-systems/https://nalyd.dev/playbooks/building-reliable-logistics-systems/My practical framework for hardening logistics software — explicit contracts, conservative normalization, incremental reliability, and operations-first thinking.Mon, 15 Sep 2025 00:00:00 GMThttps://nalyd.dev/playbooks/scaling-large-tables-logistics-virtualization-performance/https://nalyd.dev/playbooks/scaling-large-tables-logistics-virtualization-performance/Battle-tested frontend patterns to keep 5k–50k row tables fast and usable in operational dashboards: instrumentation first, server pagination, row virtualization with fixed heights, memoization, and wide-table strategies—without breaking analyst workflows.Wed, 20 Aug 2025 00:00:00 GMThttps://nalyd.dev/playbooks/playbook-incremental-modernization-vs-big-bang-rewrite/https://nalyd.dev/playbooks/playbook-incremental-modernization-vs-big-bang-rewrite/How to decide between gradual migration and full replacement when dealing with legacy systems.Wed, 06 Aug 2025 00:00:00 GMThttps://nalyd.dev/playbooks/debugging-freight-quote-calculation-errors/https://nalyd.dev/playbooks/debugging-freight-quote-calculation-errors/How I built and rolled out a systematic debugging framework for multi-step freight pricing logic that dramatically reduced quote disputes and support escalations in a live logistics platform.Wed, 30 Jul 2025 00:00:00 GMThttps://nalyd.dev/playbooks/engineering-communication-impact-stakeholders/https://nalyd.dev/playbooks/engineering-communication-impact-stakeholders/How to frame technical initiatives in business terms—revenue, cost, risk, speed—so non-technical stakeholders prioritize and fund them faster. Drawn from real logistics modernization efforts.Wed, 30 Jul 2025 00:00:00 GMThttps://nalyd.dev/playbooks/idempotent-event-processing-logistics/https://nalyd.dev/playbooks/idempotent-event-processing-logistics/Practical patterns for idempotent queue/event handling in logistics—stable business keys, atomic deduplication, bounded windows, and production observability to stop duplicate side effects without killing throughput.Wed, 30 Jul 2025 00:00:00 GMThttps://nalyd.dev/field-notes/logistics-operations-software-reliability/https://nalyd.dev/field-notes/logistics-operations-software-reliability/Crossing from hands-on logistics ops into engineering: why domain fluency, workflow trust, observability, and safe incremental change beat elegant architecture in high-stakes, messy production environments.Wed, 30 Jul 2025 00:00:00 GMThttps://nalyd.dev/field-notes/what-legacy-logistics-systems-taught-me/https://nalyd.dev/field-notes/what-legacy-logistics-systems-taught-me/After years modernizing messy PHP, jQuery, and COBOL-adjacent logistics platforms, I learned that the ugliest code often contains the most valuable business truth. Here's what greenfield engineers miss.Wed, 30 Jul 2025 00:00:00 GMThttps://nalyd.dev/field-notes/why-domain-knowledge-matters-full-stack-roles/https://nalyd.dev/field-notes/why-domain-knowledge-matters-full-stack-roles/How seven years in logistics operations made me a better engineer—and why domain expertise is undervalued in engineering hiring.Wed, 30 Jul 2025 00:00:00 GMThttps://nalyd.dev/capabilities/freight-quote-pricing-engine/https://nalyd.dev/capabilities/freight-quote-pricing-engine/Engineered quoting systems for ocean, air, and trucking that balance operator speed with policy clarity and auditability.Wed, 30 Jul 2025 00:00:00 GMThttps://nalyd.dev/playbooks/reducing-mttr-monitoring-first-engineering/https://nalyd.dev/playbooks/reducing-mttr-monitoring-first-engineering/Battle-tested playbook for cutting mean time to recovery: symptom-based alerting, consistent instrumentation, deployment markers, runbooks as code, and closed-loop reviews—without alert fatigue or dashboard sprawl.Wed, 02 Jul 2025 00:00:00 GMThttps://nalyd.dev/integrations/magaya-quote-shipment-reconciliation/https://nalyd.dev/integrations/magaya-quote-shipment-reconciliation/Hardened Magaya-facing quote and shipment integration paths with clearer processing semantics, complete payloads, and explicit freshness control.Wed, 04 Jun 2025 00:00:00 GMThttps://nalyd.dev/field-notes/ops-to-engineering-logistics-domain-expertise/https://nalyd.dev/field-notes/ops-to-engineering-logistics-domain-expertise/Lessons from transitioning from logistics operations to software engineering — why deep domain knowledge in supply chain accelerates problem framing, reduces failure modes, and builds dual credibility.Tue, 03 Jun 2025 00:00:00 GMThttps://nalyd.dev/capabilities/ops-engineering-translation-logistics/https://nalyd.dev/capabilities/ops-engineering-translation-logistics/I turn messy ops language into clear, buildable engineering behavior so the business meaning survives implementation.Tue, 03 Jun 2025 00:00:00 GMThttps://nalyd.dev/case-studies/shipment-data-eta-data-quality-accounting-governance/https://nalyd.dev/case-studies/shipment-data-eta-data-quality-accounting-governance/How I turned operational shipment data into rule-based governance for ETA accuracy, data completeness, and accounting correctness instead of leaving teams with passive dashboards and manual audits.Tue, 25 Mar 2025 00:00:00 GMThttps://nalyd.dev/playbooks/refactor-legacy-logistics-code-safely/https://nalyd.dev/playbooks/refactor-legacy-logistics-code-safely/Step-by-step playbook for refactoring legacy logistics code safely: characterization tests, strangler patterns, and rollback-ready delivery.Fri, 21 Mar 2025 00:00:00 GMThttps://nalyd.dev/case-studies/data-quality-20-hours-saved/https://nalyd.dev/case-studies/data-quality-20-hours-saved/Redesigned ERP/CRM workflows with targeted validation guardrails, cutting recurring data errors and saving up to 20 hours per week in operations time.Tue, 04 Feb 2025 00:00:00 GMThttps://nalyd.dev/case-studies/saved-layout-operations-grid-multi-client-teams/https://nalyd.dev/case-studies/saved-layout-operations-grid-multi-client-teams/How I built a power-user operations grid with saved layouts, server-side persistence, column migration logic, and multi-client state so dense workflows stayed fast instead of fragile.Tue, 04 Feb 2025 00:00:00 GMThttps://nalyd.dev/capabilities/observability-uptime-mttr-reduction/https://nalyd.dev/capabilities/observability-uptime-mttr-reduction/Designed and operated observability systems that improved incident response and kept production services dependable under pressure.Thu, 19 Dec 2024 00:00:00 GMThttps://nalyd.dev/case-studies/milestone-backfill-tracking/https://nalyd.dev/case-studies/milestone-backfill-tracking/Designed deterministic milestone backfill logic so incomplete and out-of-order carrier events still produce trustworthy shipment timelines.Thu, 05 Dec 2024 00:00:00 GMThttps://nalyd.dev/integrations/raw-tms-payloads-queryable-operational-data-model/https://nalyd.dev/integrations/raw-tms-payloads-queryable-operational-data-model/How I turned messy shipment payloads from an upstream TMS into a normalized operational data model that downstream systems could query, trust, and build on.Thu, 05 Dec 2024 00:00:00 GMT