Jourier builds the Mailjet integration into your PostgreSQL environment. Mailjet data flows in via real-time CDC and webhooks, lands as modeled tables in PostgreSQL, and becomes the layer that BI tools, AI agents, MCP servers, and bespoke applications all read from.

You keep using PostgreSQL for what it's good at (storage, compute, governance) and Jourier brings the modeling, the pipelines, and the consumption layers on top. Deliverability reporting, engagement analytics, and lifecycle conversion delivered through a real engineered application your team owns.

Deliverability signals in Mailjet matter for sender reputation. Jourier monitors them as time-series in the warehouse, alongside CRM and product data, so deliverability dips correlate with the upstream send patterns and audience changes that caused them.

On PostgreSQL, Mailjet data lives in a familiar relational database your team can operate without learning a new platform. Jourier designs the schema for Mailjet's access patterns, indexes for the queries that matter, and uses partitioning where the data volume justifies it — so the Mailjet layer stays performant on commodity hardware as it grows.

Result: Mailjet data lives in PostgreSQL as engineered tables, ready for deliverability reporting and for whatever consumer layer reads from PostgreSQL next — BI, AI agents, MCP servers, custom applications.

Pick PostgreSQL as your Mailjet backend when your customer cloud already hosts it, or when the workload pattern fits PostgreSQL's strengths. Jourier doesn't sell PostgreSQL compute. Your contract stays with PostgreSQL Global Development Group. We bring the engineering and the modeling on top, plus the consumption layers (BI, AI agents, MCP, bespoke apps) that read from Mailjet once it's in PostgreSQL.

Can I land Mailjet data in my PostgreSQL environment?

Yes. Jourier builds a bespoke Mailjet → PostgreSQL pipeline that lands data continuously in your existing PostgreSQL workspace. Real-time CDC where Mailjet supports it, scheduled polling and webhooks otherwise. Tables are modeled, documented, and ready for deliverability reporting. The pipeline runs on PostgreSQL's native compute (no second platform to manage), and the modeling layer above it joins Mailjet with the rest of your operational systems.

Does Jourier require PostgreSQL, or can I use a different warehouse for Mailjet?

PostgreSQL is one of several supported backends. If your stack already runs on Snowflake, Databricks, Microsoft Fabric, BigQuery, Postgres, Supabase, or Redshift, the Mailjet pipeline adapts to it. Pick PostgreSQL when it fits your team's skills, your customer cloud's hosting, and Mailjet's data shape. Jourier doesn't push a specific warehouse — we evaluate the choice with you against existing contracts, compliance, and team familiarity.

How does the Mailjet model in PostgreSQL differ from off-the-shelf PostgreSQL content?

Off-the-shelf PostgreSQL content is generic — schemas designed for the average customer, not yours. Jourier's Data Hub on PostgreSQL is bespoke: modeled to your operations, joined across Mailjet and the rest of your operational systems, with the entity definitions your business actually uses. Same PostgreSQL engine underneath, but a layer designed for your business. The result is reports, applications, and AI tools that read the same numbers your team uses.

Who owns the Mailjet → PostgreSQL pipelines and schemas?

You do. Jourier delivers everything as code in your PostgreSQL workspace — pipeline definitions, modeled tables, data dictionaries, runbooks, access-control config. Hand it to another vendor or take it over yourself whenever you want. No vendor lock-in, no per-engagement licence. The PostgreSQL subscription stays directly with PostgreSQL Global Development Group; we don't add a markup.

Can I switch from PostgreSQL to a different warehouse later, keeping the Mailjet integration?

Yes. The Mailjet pipeline can re-target. Most of the SQL ports between PostgreSQL and another warehouse with light editing — sometimes just dialect changes, sometimes a partition-strategy refactor. Migrations of this kind are part of what Jourier does. The modeling layer (entities, joins, business rules) stays the same; only the underlying compute and storage move.

How long does landing Mailjet into PostgreSQL take?

First sync is typically instant to one day. A scoped engagement covering Mailjet plus the modeled tables for the workflows that matter (deliverability reporting, engagement analytics) usually runs three to six weeks before production. Bigger transformations are phased. Jourier handles the Mailjet pipeline, the PostgreSQL schema design, the access controls, and the documentation. Your team validates the model and trains the analysts.

How predictable are PostgreSQL compute costs for this workload?

Predictable, with the right design. Jourier's modeling decisions affect PostgreSQL cost directly — partitioning, clustering, materialised views, query patterns. We design the Mailjet model on PostgreSQL for the access patterns your team actually has, not for theoretical generality. Most customers see PostgreSQL compute costs roughly proportional to user activity once steady-state is reached. We can co-design the schema with cost limits in mind if that's a constraint.

Can Mailjet be joined with other operational systems in PostgreSQL?

Yes — that's the point of the Data Hub. Once Mailjet is in PostgreSQL, the modeling layer joins it with CRM, ERP, billing, product analytics, and any other source you've integrated. Entity resolution (same customer / same product / same transaction across systems) is handled in the modeling layer. The result: a PostgreSQL dataset where a single 'customer' row reflects every system that knows about that customer, joined consistently.

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Aleksi Stenberg Founder & CEO