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Stack 02 · Data & Analytics

Models, dashboards and automation inherit the quality of the data they receive. Aviox builds ingestion, transformation, storage, streaming and quality controls so downstream systems operate from defined, observable data.

9
Tools named on this page as examples of what can sit in each layer
Tested on ingest
Quality tests that fail loudly rather than quietly
Full lineage
Every number traceable back to its source system

How we choose

Governed, tested, and traceable.

A warehouse nobody trusts is an expensive copy of the data you already had. Trust comes from tests and lineage, not from the brand on the invoice.

The question we get asked is which warehouse. The question that actually matters is whether anyone can tell you where a number came from. We have walked into plenty of estates with a modern warehouse and no lineage, no tests and three competing definitions of revenue — and the AI roadmap sitting on top of it was never going to work.

So we build the unglamorous parts: orchestration with retries and alerting that reaches a human, transformations as version-controlled code with tests, a single product and customer hierarchy, and lineage from dashboard back to source row. Then the models and the assistants have something solid to stand on.

Non-negotiables

  • Transformations as codedbt models in version control with tests, documentation and a lineage graph — not SQL pasted into a scheduler.
  • Tests that fail loudlyFreshness, uniqueness, referential and business-rule tests that stop a bad load rather than publishing it.
  • One hierarchy, agreedProduct, customer and location hierarchies defined once and reused, so two reports cannot disagree.
  • Streaming where it earns itKafka where a decision genuinely needs sub-second data; batch everywhere else, because batch is cheaper and simpler.

The toolchain

Every tool, and where it shows up.

Each row says what the tool is used for and links to related pages. Named tools are examples of what can sit in each layer, not a list of partnerships or certifications.

  • Apache AirflowOrchestration

    Scheduling, dependencies, retries and backfills, with alerting that reaches a person rather than a dashboard nobody opens. A common backbone for the pipelines we hand over.

  • dbtTransformation & testing

    Transformations as version-controlled, tested, documented code. The lineage graph it produces is usually the first time a client can see how a number is actually built.

  • SnowflakeCloud warehouse

    Where workloads are spiky and compute needs to scale independently of storage. Strong governance features and a clean separation that makes cost attribution honest.

  • Google BigQueryCloud warehouse

    Our choice where the estate is already on Google Cloud or the workload is large, append-heavy analytics. Same dbt layer on top, so the warehouse stays a replaceable component.

  • PostgreSQLOperational store

    A common transactional database for what we build and, with pgvector, often the retrieval index too, which keeps permission scoping simple.

  • MongoDBDocument store

    Where the shape of the data genuinely varies per record — document extraction output, event payloads, nested content models that would be painful to normalise.

  • Apache KafkaEvent streaming

    For decisions that genuinely need sub-second data: fraud scoring on the transaction path, shipment events, session behaviour. Not used as a general-purpose message bus by default.

  • RedisCache & queues

    Response caching, rate limiting and work queues — including caching model responses, which is one of the cheapest inference cost reductions available.

  • Data quality & lineageGovernance

    Freshness, uniqueness and business-rule tests wired into the orchestration, plus column-level lineage. This is what makes a data estate genuinely AI-ready rather than merely modern.

Built on this stack

Where the stack is applied.

The useful question about a technology list is what has been built with it. These are examples of patterns that apply this stack.

Workflow pattern

Demand and inventory signals

Airflow · dbt · Warehouse

Governed ingestion per channel, one agreed hierarchy, tested transforms, then signals or models on top where the data supports them.

  • Backtested against your own history
  • Forecast published with uncertainty ranges
  • Lineage from forecast back to source row
Workflow pattern

Fraud-investigation support

Kafka · Feature store

Streaming where a decision needs sub-second data, with a shared feature store so the model in the request path and the model in the warehouse read the same definitions.

  • Streaming only where it is needed
  • Features defined once, served twice
  • Drift monitored
Workflow pattern

Learner progress

Warehouse · Signals

Cohort and learner trajectories built on the same warehouse pattern, showing who needs attention and the evidence behind the signal.

  • Per-learner and per-cohort views
  • Retention and access controls built in
  • Signals traceable to the attempts behind them

Note Products we run ourselves patterns are starting points configured to your data and rules Read the case study

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In the field

Where this stack earns its place.

Three sectors where this particular layer carries the most weight. Each page shows the five-step automation pattern in that sector's own vocabulary.

Also All ten industries run on some combination of these four stacks

Questions

Questions about data platforms.

Asked most often by data and analytics teams.

  • Yes. We build on the platform you already use where it fits, and recommend a change only when the existing one is the constraint.

  • With tests at each stage of the pipeline, clear ownership of each dataset and alerts when freshness or quality drops, so problems are found before reports are.

  • Yes. Access control, lineage and documentation are part of the build so people can see where a figure came from and who can use it.

  • Yes. Reliable pipelines serve dashboards and models alike, which is why data quality comes first.

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Make your data
dependable first.

Tell us the systems, the data and what depends on it. We will suggest where ownership, tests and quality checks would pay back first.

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