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HubSpot engineering

Custom HubSpot development for complex businesses.

Extend HubSpot beyond standard CRM configuration with custom applications, integrations, automation, UI extensions and APIs engineered around your operating model.

SYSTEM TOPOLOGY / HUBSPOT ARCHITECTURE ACTIVE

RKL / FOCUSOAuth, webhooks, mapping, queues, retries and audit history in one integration boundary.

OAUTH / SECUREWEBHOOKS / RESILIENTCRM EXTENSIONS / EMBEDDED

Beyond configuration

HubSpot as part of the technology architecture.

Complex organisations need more than fields and standard workflows. RKL builds the software layer that connects HubSpot to operational systems, governs data movement and gives users the right tools inside the CRM.

Discuss your HubSpot project

Specialist capability

Engineering across the HubSpot surface.

01

Custom applications

Private and public applications designed for the correct distribution, tenant and authentication model.

  • ↳ Private apps
  • ↳ Public apps
  • ↳ OAuth
  • ↳ Secure token handling
02

CRM interfaces

Purpose-built tools that place operational context and actions where HubSpot users work.

  • ↳ UI extensions
  • ↳ CRM cards
  • ↳ Record actions
  • ↳ Contextual workflows
03

Workflow engineering

Custom actions and external processing for business rules standard workflows cannot express safely.

  • ↳ Custom workflow actions
  • ↳ Webhooks
  • ↳ Queued processing
  • ↳ Operational notifications
04

Systems integration

Observable connections between HubSpot and the platforms that run the organisation.

  • ↳ ERP and billing
  • ↳ LMS and portals
  • ↳ Internal applications
  • ↳ External SaaS
05

Data engineering

Governed movement between CRM records, operational databases and analytical platforms.

  • ↳ Bi-directional sync
  • ↳ Data mapping
  • ↳ Migration
  • ↳ Warehouse integration
06

CRM architecture

Object, permission and integration decisions designed for scale and maintainability.

  • ↳ Custom objects
  • ↳ Association design
  • ↳ Integration boundaries
  • ↳ Security and governance

Integration architecture

Reliable sync is a systems problem.

RKL designs ownership, mappings, event handling, idempotency, retries, rate limits and audit history before treating synchronisation as complete.

HubSpot Internal applications
HubSpot ERP systems
HubSpot Learning platforms
HubSpot Billing platforms
HubSpot Custom APIs
HubSpot Data warehouses
HubSpot Customer portals
HubSpot External SaaS

When to engage RKL

When configuration reaches its boundary.

  • The requirement goes beyond portal configuration
  • HubSpot must integrate with ERP, LMS, billing or internal applications
  • Existing integrations are brittle or difficult to govern

Technical outcomes

  • HubSpot becomes part of the operating platform
  • Less manual reconciliation across systems
  • Reliable, observable automation
  • Clear ownership of CRM data and integration boundaries

Questions

HubSpot engineering FAQ.

Is RKL a CRM configuration consultancy?

No. RKL focuses on the engineering layer around HubSpot: custom software, APIs, extensions, automation, data flows and architecture.

Can you build both private and public apps?

Yes. The choice depends on distribution, authentication, tenant isolation and the operating model for the integration.

START A CONVERSATION / SYSTEM READY

Your HubSpot requirements go beyond configuration.

Bring the objects, systems, data flows and business process. RKL will design the engineering layer between them.

Discuss your HubSpot project