Blog
Notes from the build
Practical engineering writing — the things we learn shipping Databricks platforms, Retool tools and Django products for clients.
Hiring Databricks-Certified Data Engineers: What the Certification Tells You
A Databricks certification proves platform fluency, not architecture judgment. What it actually verifies, and how to interview past the badge.
Read articleDatabricks cost audit: where clusters quietly burn money
The usual waste patterns behind a growing Databricks bill, what a real cost audit checks, and realistic savings ranges once you fix them.
Read articleDatabricks Genie: what natural-language BI actually gets right
A level-headed look at Databricks Genie: where it removes analyst workload, what setup it needs, and where it still falls short.
Read articleAutomating Databricks with the REST API: A Field Guide
What's actually worth automating on Databricks, when to use the REST API vs Terraform, and how to avoid the auth, rate-limit and drift mistakes teams make first.
Read articleDatabricks Workflows vs Airflow vs Dagster: Picking an Orchestrator
Databricks Workflows, Airflow, and Dagster solve orchestration differently. A practical decision framework based on your stack, not a vendor pitch.
Read articleDelta Live Tables in practice: what it saves you, where it gets in the way
An honest look at Delta Live Tables versus hand-rolled Spark pipelines: what DLT genuinely saves, where it costs you control, and when to skip it.
Read articleHive Metastore vs Unity Catalog: what actually changes
A concrete comparison of Hive metastore and Unity Catalog on Databricks: permissions, lineage, cross-workspace scope, and what breaks operationally.
Read articleProductionizing ML on Databricks with MLflow
MLflow solves experiment tracking and model versioning. It does not solve drift, retraining, or feature consistency. Here's the realistic path from notebook to production.
Read articleUnity Catalog governance: a practical playbook
You have Unity Catalog. Now what? Naming, GRANT design, row filters and column masks, lineage for audits, tagging, and the failure modes to avoid.
Read articleWhy hire a Databricks Consulting Partner instead of building in-house
Zephico is now a Databricks Consulting Partner. Here's the honest tradeoff between building Databricks capability in-house and bringing in a partner.
Read articleMigrating to Unity Catalog: what it actually takes
Unity Catalog is no longer optional on Databricks. Here's what the migration from Hive metastore really involves, where it hurts, and how long it takes.
Read articleContract engineer vs. full-time hire: the real cost math
Salary is less than half the story. A line-by-line look at what a senior engineer actually costs to recruit, employ and — sometimes — let go.
Read articleHow much does custom software cost in 2026? An honest breakdown
Agencies hate publishing prices. Here are the real cost drivers, realistic ranges, and the questions that keep a project on the right side of them.
Read articleDatabricks or Snowflake? How mid-size companies should choose
The platforms have converged on paper. The right choice still comes down to your workloads, your team, and how each platform bills you for growth.
Read articleLLM features: the distance between the demo and production
The demo takes a week and impresses everyone. What separates it from a feature you can ship — retrieval, evals, guardrails and cost — is the actual project.
Read articleOutsourcing development under GDPR: what to demand from your vendor
A buyer's checklist for hiring an offshore development partner without creating a compliance problem — DPAs, transfers, access control and the questions that expose weak answers.
Read articleSaleor vs Shopify Plus: when owning your stack starts paying off
Shopify wins the first years for almost everyone. The interesting question is what happens after — and when open-source headless commerce flips the math.
Read articleWhat an internal tool on Retool actually costs
License, build, and the maintenance nobody budgets for — the full cost picture of a Retool project, compared honestly against the spreadsheet it replaces.
Read articleWhere AWS savings actually hide: notes from cost audits
Most cloud bills carry 20–40% of pure waste, and it clusters in the same places. A field guide, ordered by effort-to-savings ratio.
Read articleMedallion architecture on Databricks: what actually matters
Bronze, silver, gold — everyone draws the same diagram. Here's what we've learned actually matters when you build a medallion lakehouse for production.
Read articleWhen Retool is the right answer (and when it isn't)
We build internal tools with Retool for a living — which also means we know exactly where its limits are. A practical decision guide.
Read articleHow to make contract engineers actually work: lessons from the other side
We place engineers into North American and European teams for a living. Here's what separates the engagements that compound from the ones that stall.
Read articleNeed engineers next week, not next quarter?
Tell us what you are building and the skills you are missing. We will come back within one business day with profiles and a plan.