Amazonia TechEngineered to scale
Projects

Real systems, in production.

A selection of work our clients have allowed us to talk about. The rest sits behind NDAs in finance, healthcare, and connected-device companies — but we are happy to walk you through the reference architectures.

Kekz
2023 — present
End-to-end engineering partner

Kekz connected headphones platform

Kekz ships audio headphones for children paired with a plush storytelling bear. We built the device-management platform that pairs the hardware to the customer, provisions audio content, handles OTA firmware updates, and powers the parent-facing companion experience.

What we delivered
  • BLE pairing flow with secure key exchange
  • OTA firmware pipeline with staged rollouts
  • Customer-facing companion app (iOS / Android)
  • Back-office console for support and content ops
Tech stack
FlutterNode.jsAzure IoT HubPostgreSQLGitHub Actions
Kekz
2024 — present
Hardware + firmware partner

Offline-to-online connectivity device

A small Wi-Fi bridge that gives legacy offline Kekz devices an online presence — for analytics, content sync, and remote parental controls. We designed the firmware, provisioning flow, and the cloud-side device registry, with packaging designed for non-technical parents to install at the kitchen table.

What we delivered
  • ESP32-based firmware with secure boot
  • Captive-portal provisioning flow with QR fallback
  • Cloud-side device registry and fleet management
  • Compliance-ready logging for CE / FCC reviews
Tech stack
ESP-IDFCAzure IoT HubRust servicesTerraform
Kekz
2023 — present
Product & platform engineering

Order distribution & delivery management

A logistics control plane that takes thousands of weekly Shopify orders, routes them across European 3PLs based on SLA and stock location, and gives operations a single console for exceptions. This work eventually became the seed of our Operations Manager product.

What we delivered
  • Order orchestration engine with carrier-aware routing
  • Real-time exception queue for operations
  • Returns and refund automation tied back to Shopify
  • Carrier integrations with DHL, DPD, GLS, Hermes
Tech stack
TypeScriptNode.jsTemporalPostgreSQLAzure Container Apps
Kekz
2024 — present
Solutions architecture + delivery

Comprehensive ERP & financial controls

A bespoke ERP and financial controls layer that consolidates orders, costs, taxes, and supplier payments into one source of truth — replacing a patchwork of spreadsheets and third-party tools that no longer scaled with the business.

What we delivered
  • Unified product, supplier, and pricing master data
  • Tax-aware invoicing for EU and UK jurisdictions
  • Supplier payment runs with approval workflows
  • Management reporting and board-ready dashboards
Tech stack
.NET 8PostgreSQLAzure FunctionsPower BIMicrosoft Entra ID
Lumi.AI
2024
Full product build

AI learning tool for adaptive education

A learning platform that personalises content paths using LLM-driven evaluation rubrics and a human-in-the-loop review console. Went from blank page to a working private beta in a single quarter, designed to be operated by a small team of educators.

What we delivered
  • Authoring console for educators
  • LLM-graded assessments with rubric editing
  • Learner-facing adaptive learning paths
  • Cost-aware inference layer to control unit economics
Tech stack
Next.jsPythonOpenAI / Azure OpenAIPostgres + pgvectorVercel

Want references we cannot put on a public page?

Most of our work lives under NDA. Tell us your sector and we will arrange a reference call with a client in a comparable situation.

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