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Service 08 · Data & Systems

Database Design and Development

Clean schemas, fast queries and rock-solid data integrity as your records grow.

Relational database schema relationships, indexed B-tree nodes and backup storage

Overview

Built for real operational demands

Applications outgrow poorly planned databases faster than almost any other layer. Missing constraints allow messy duplicate records, unindexed joins grind dashboards to a halt, and ad-hoc schema tweaks make every release risky.

We design, tune and migrate production databases—primarily PostgreSQL and modern relational engines—so your business data stays accurate, fast to query and safe against data loss.

What’s Included

Scope & key deliverables.

Every engagement is scoped clearly around tangible engineering outputs you can inspect and test.

01

Relational data modelling & normalisation

Clear entity relationships, foreign keys, check constraints and audit timestamps enforcing data quality at the root.

02

Indexing & slow-query optimisation

EXPLAIN plan analysis, composite/partial indexes and query refactoring turning multi-second reports into milliseconds.

03

Versioned, zero-downtime migrations

Repeatable migration pipelines using expand-and-contract patterns so schema updates never lock live traffic.

04

Multi-tenant & row-level security

Database-enforced tenant boundaries, encryption at rest/in transit and least-privilege database roles.

05

Backups, point-in-time recovery & HA

Automated snapshots, tested restore drills and multi-AZ failover strategies in Australian cloud regions.

06

Legacy data cleansing & migration

ETL scripts deduplicating, validating and importing historical records from spreadsheets or retired databases.

Key Benefits

Why teams invest in this capability.

Data you can actually trust

Database-level constraints prevent orphaned records, invalid statuses and rounding bugs in financial totals.

Snappy dashboards as volume scales

Proper indexing and read patterns keep searches and reports responsive from thousands to millions of rows.

Tested disaster recovery

Documented RPO/RTO targets and verified backup restores protect business continuity.

Smooth future feature evolution

Well-structured schemas make adding new product capabilities or analytics straightforward.

Use Cases

Where this service fits best.

Scenario 01

New platform schema architecture

Designing clean relational models for financial, booking, inventory or multi-tenant SaaS systems.

Scenario 02

Performance rescue on slow apps

Diagnosing CPU spikes, lock contention and slow reporting queries on growing production databases.

Scenario 03

Spreadsheet & legacy DB consolidation

Merging scattered Access, SQL or CSV datasets into a single validated cloud PostgreSQL database.

Service Workflow

How database design and development runs.

Structured milestones with working deliverables reviewed together at every step.

  1. Data & query audit

    Analyse access patterns, cardinality, integrity rules and current bottlenecks.

  2. Schema & index design

    Model tables, constraints, indexes and security policies with ER documentation.

  3. Migration & ETL scripting

    Write idempotent migrations and dry-run data imports against staging copies.

  4. Verification & backup setup

    Benchmark query plans, configure automated backups and verify recovery steps.

Service FAQs

Common questions.

Need more detail on budgets, hosting or timelines? Browse our full FAQ hub or send us a quick note.

View all FAQs →

Often, yes. Analysing slow query logs, adding targeted composite indexes, fixing N+1 query loops and tuning connection pooling frequently delivers dramatic speedups within days.

We rehearse migrations repeatedly in staging, validate row counts and checksums, and use staged sync or brief planned cutover windows with instant rollback plans.

PostgreSQL combines strict relational integrity, rich indexing, JSONB flexibility when needed, Row-Level Security and mature managed hosting across every major Australian cloud provider.

Ready to discuss Database Design and Development?

Share a short summary of your goals, timeline or existing setup and an engineer will come back with clear next steps.