HubSpot Developer and API & AI Automation Contractor

About the role

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. 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.

Responsibilities

• 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
• 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
• Work with REST APIs, webhooks, JSON, OAuth, and API authentication
• Connect HubSpot with ERP, accounting, estimating, project management, customer service, communication, marketing, and other software platforms
• Build custom middleware or integration applications when native integrations are not available
• Create two-way data synchronization between systems
• Map data fields between different applications
• Automate the transfer of contacts, companies, deals, projects, pricing, products, documents, and other business information
• Troubleshoot API errors, failed synchronization, authentication issues, and data conflicts
• Create documentation for integrations and workflows
• 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
• Assist with marketing automation, deal and sales automation, cross-platform automation, project collaboration, and more
• Other duties as assigned

Minimum Qualifications

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 Scope

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

Pay

$2,000/month

Schedule

Full time

Benefits

• Work from home (WFH)