Middleware Engineer - HubSpot AI Integration Specialist (Remote)

About Link37Link37 is a leading HubSpot AI Consulting Implementation Partner, pioneering the integration of artificial intelligence with HubSpot's ecosystem to transform how businesses manage their sales, marketing, and customer relationships. We specialize in creating intelligent, automated solutions that leverage AI to enhance HubSpot's capabilities, delivering unprecedented efficiency and insights for our clients across Portugal, Spain, and beyond.What You'll DoAs a Middleware Engineer specializing in HubSpot AI integrations, you'll be at the forefront of building intelligent connectors that bridge HubSpot with AI platforms, ERPs, and custom applications. You'll develop the technical backbone that powers our AI-enhanced HubSpot implementations, creating smart automation solutions that help businesses scale intelligently.Key ResponsibilitiesAI-Powered Integrations: Develop middleware solutions connecting HubSpot with AI platforms (OpenAI, Claude API, custom ML models) for intelligent lead scoring, content generation, and predictive analyticsHubSpot API Mastery: Build advanced custom integrations using HubSpot's APIs, webhooks, and Operations Hub to create sophisticated automation workflowsSmart Data Pipelines: Design intelligent ETL processes that leverage AI for data enrichment, cleansing, and transformation between HubSpot and client systemsCustom AI Applications: Develop HubSpot custom cards, workflow actions, and ChatSpot extensions that incorporate AI capabilitiesIntegration Architecture: Design scalable middleware architectures for complex HubSpot implementations involving multiple data sources and AI servicesAI Workflow Automation: Create intelligent automation solutions that use AI to optimize sales processes, marketing campaigns, and customer service workflowsPerformance & Reliability: Ensure high-performance, fault-tolerant integrations that handle real-time data processing at scaleInnovation Leadership: Research and implement cutting-edge AI technologies to enhance our HubSpot consulting offeringsWhat We're Looking ForRequired:4+ years of experience in middleware development with focus on CRM/Marketing Automation platformsStrong expertise in HubSpot API ecosystem (CRM API, Marketing API, Custom Objects, Operations Hub)Proficiency in Node.js, Python, or TypeScript for building production-grade integrationsExperience integrating AI/ML services (OpenAI, Anthropic, Azure AI, or similar) with business applicationsDeep understanding of OAuth 2.0, REST APIs, webhooks, and event-driven architecturesExperience with HubSpot's serverless functions and custom code actionsKnowledge of data streaming and real-time processing technologiesStrong problem-solving skills with ability to design complex integration solutionsProficiency in Proficiency in English or portuguese or spanish is mandatoryPreferred:HubSpot Developer Certification or Solutions Architecture CertificationExperience with HubSpot's Serveless Development FuntionsWebservice or Odata integration Background in implementing conversational AI and chatbots within HubSpotExperience with iPaaS platforms (Make, Skyvia, Workato) for rapid prototypingUnderstanding of GDPR and data privacy in AI/CRM contextsTechnical Stack You'll Work WithHubSpot Platform: Operations Hub, Workflows API, Custom Objects, Private Apps, CMS Hub for custom modulesAI Technologies: OpenAI API, Claude API, vector databases, RAG implementationsIntegration Tools: Node.js/Express, Python/FastAPI, webhook processors, message queuesData Processing: Apache Kafka, Redis, PostgreSQL, MongoDB, ElasticsearchInfrastructure: Docker, Kubernetes, GitHub ActionsMonitoring: Datadog, New Relic, custom HubSpot reporting dashboardsWhat We Offer100% Remote Position - Work from anywhere, supporting our international client baseAI Innovation Environment - Be part of pioneering AI-powered HubSpot implementationsHubSpot Partnership Benefits - Access to HubSpot partner resources, certifications, and exclusive trainingDirect collaboration with HubSpot's partner team and early access to beta featuresOpportunity to shape the future of AI in CRM and Marketing AutomationYour ImpactAt Link37, you'll be instrumental in:Transforming traditional HubSpot implementations into intelligent, AI-powered systemsCreating innovative solutions that position Link37 as the go-to HubSpot AI implementation partnerBuilding reusable integration frameworks that accelerate client implementationsContributing to thought leadership in the HubSpot AI consulting spaceIdeal Candidate ProfileWe're looking for someone who:Gets excited about the intersection of AI and CRM technologyThrives on solving complex integration challengesStays current with both HubSpot platform updates and AI advancementsCan translate technical AI capabilities into business value for clientsEnjoys working in a fast-paced, innovation-driven environmentHow to ApplyApply here: https://link37.org/en/hubspot-ai-integration-specialistSubmit your application including:CV highlighting your HubSpot and AI integration experienceBrief description of an innovative integration project you've builtLinks to GitHub repositories or technical articles you've writtenYour vision for how AI can transform CRM implementationsLocation: Remote (European time zones preferred) Employment Type: Full-time Experience Level: Mid to Senior Level Start Date: ImmediateAbout Our HubSpot Partnership: Link37 is a certified HubSpot Solutions Partner specializing in AI-enhanced implementations. We're recognized for our innovative approach to combining artificial intelligence with HubSpot's powerful platform, helping businesses achieve intelligent automation at scale.