HubSpot Developer and API & AI Automation Contractor  

KPS is seeking an experienced, remote HubSpot Developer / API & AI Automation Contractor to work directly with our U.S.-based team on the development, customization, integration, and automation of our business systems. Pay- $2,000/month

This is a hands-on technical role beyond standard HubSpot administration. Looking for a developer who can customize HubSpot CRM and CMS, build API integrations between software platforms, develop advanced workflows and automations, support marketing campaigns, and build AI-powered tools and bots that can extract, organize, analyze, and act on business data.

The ideal candidate is someone who can understand a business process, identify how technology can improve it, and then design and build the solution.

HubSpot CRM Development & Customization

• Customize HubSpot CRM for our sales, estimating, customer service, operations, and marketing teams.
• Create and manage:
  • Custom properties/objects
  • Deal pipelines/stages
  • Contact and company records
  • Associations between records
  • Lead routing, Task automation, Sales/approval sequences
• Build automated actions based on deal stage changes, customer activity, dates, values, or other business conditions.
• Create workflows that automatically update records, assign tasks, notify employees, generate follow-up actions, and move information between departments.
• Improve CRM data structure, consistency, and usability.
• Assist with HubSpot reporting, dashboards, attribution, and management reporting.

HubSpot CMS & Website Development

• Customize/maintain existing previously built HubSpot CMS websites and landing pages.
• Build/modify:
  • Website templates
  • Landing pages
  • Forms
  • Modules
  • Dynamic content
  • Calls-to-action
  • Customer-facing forms and portals
• Connect website activity and form submissions directly into CRM processes and automated workflows.
• Support SEO, tracking, conversion optimization, and website analytics.

API Development & Software Integrations

• Working with REST APIs, webhooks, JSON, OAuth, and API authentication.
• Connecting HubSpot with ERP, accounting, estimating, project management, customer service, communication, marketing, and other software platforms.
• Building custom middleware or integration applications when native integrations are not available.
• Creating two-way data synchronization between systems.
• Mapping data fields between different applications.
• Automating the transfer of contacts, companies, deals, projects, pricing, products, documents, and other business information.
• Troubleshooting API errors, failed synchronization, authentication issues, and data conflicts.
• Creating documentation for integrations and workflows.

AI Bots, Data Extraction & Business Automation

• Extract information from documents, PDFs, emails, websites, CRM records, and other data sources.
• Compare information between systems.
• Populate CRM fields automatically.
• Create tasks or workflows based on extracted information.
• Analyze customer or project information.
• Generate responses, summaries, reports, or recommendations.
• Trigger HubSpot workflows or API actions based on AI analysis.

Experience working with OpenAI APIs, AI agents, large language models, vector databases, OCR/document processing, or similar AI technologies is highly desirable. Assist with Marketing automation, Deal and sales automation, Cross-Platform Automation, project collaboration, and more.

Other duties as assigned.

Candidates should have strong experience in several of the following areas:

• HubSpot CRM development
• HubSpot workflows and automation
• HubSpot Operations Hub
• HubSpot Sales Hub
• HubSpot Marketing Hub
• HubSpot CMS
• HubSpot APIs
• REST APIs
• Webhooks
• OAuth
• JSON
• JavaScript
• Python
• Node.js or similar backend development
• SQL or database development
• HTML/CSS
• Git or version control
• CRM integrations
• Marketing automation
• Data synchronization
• AI/LLM integrations
• OpenAI API or similar AI platforms

Preferred Experience

• Building custom HubSpot integrations.
• Developing private HubSpot applications.
• HubSpot custom-coded workflow actions.
• Developing middleware between business applications.
• OpenAI API development.
• AI agents and AI automation.
• Document extraction and document processing.
• Vector databases and semantic search.
• Automated proposal or contract workflows.
• ERP and CRM integrations.
• Accounting system integrations.
• Construction, service, security, fire protection, or field-service businesses.
• Business process automation.
• Zapier, Make, n8n, Workato, Power Automate, or similar automation platforms.

Communication & Work Style

The contractor should:

• Have strong written and spoken English.
• Be comfortable working directly with a U.S.-based Project Manager.
• Provide regular project updates.
• Clearly communicate technical limitations or concerns.
• Document completed projects.
• Ask appropriate questions when business requirements are unclear.
• Be organized and able to manage multiple development projects.
• Be comfortable working across several software platforms simultaneously.
• Test work thoroughly before deployment.

Contractor Structure

This position is intended as a long-term direct contract relationship rather than a short-term freelance project.

We expect the contractor to become familiar with our business systems and continuously help us improve and automate our operations.

Work will include a combination of:

• New development
• System integrations
• HubSpot customization
• AI development
• Marketing automation
• Workflow development
• Data management
• Troubleshooting
• Process improvement
• Maintenance of previously developed integrations