DescriptionFull Stack EngineerNext.js, React, Python, AI & Marketing Technology | Remote | EST HoursPosition Type: Full-Time, Remote Working Hours: U.S. Business Hours – ESTAbout the RoleAt Pavago, one of our clients—a fast-growing marketing agency serving 150+ home service businesses—is hiring a Full Stack Engineer to build and scale the technology powering its marketing, lead generation, tracking, and revenue operations.This is a hands-on builder role, not a strategy-only engineering position.You'll work across:Full-stack application developmentMarketing data and attributionMeta Pixel & Conversion API (CAPI)AI-powered marketing workflowsCRM integrations and automationInternal dashboards and operational toolsYou'll work directly with leadership, media buyers, and operators to turn real business problems into production-ready systems that improve campaign performance, lead conversion, and operational efficiency.If you're a strong full-stack engineer who understands both software engineering and performance marketing technology, this role is a strong fit.What You'll OwnFull-Stack & Internal Tool Development — Primary FocusBuild, deploy, and maintain internal applications using:Next.jsReactPythonYou'll:Develop marketing dashboards and reporting systemsBuild internal operational tools used by media buyers and teamsReplace repetitive manual workflows with scalable softwareDevelop reliable backend services and integrationsTake systems from concept through production deploymentContinuously improve tools based on real user and campaign needsMarketing Data, Tracking & Attribution — Core FocusOwn and improve the technical infrastructure connecting advertising performance to presente business outcomes.You'll:Implement and optimize Meta PixelWork hands-on with Meta Conversion API (CAPI)Configure accurate event trackingHandle event deduplicationImprove attribution accuracyTroubleshoot tracking discrepanciesBuild pipelines connecting:Ad Platforms → Backend Systems → CRM → Reporting DashboardsDevelop reporting systems that give teams visibility into metrics such as:ROASCPLCACConversion ratesLead qualityCampaign performanceAI Integration & Marketing AutomationBuild AI directly into live marketing and operational workflows.Use APIs such as OpenAI and similar AI platforms to develop systems for:Ad copy generationCreative ideationLead scoringLead qualificationCampaign analysisPerformance insightsAutomated reportingOperational workflow automationThis role requires someone who actively uses modern AI tools—not someone with only theoretical exposure.CRM & Lead Lifecycle Automation — CriticalIntegrate and automate CRM platforms such as:GoHighLevelClose CRMHubSpotSimilar CRM systemsBuild workflows connecting the entire lead lifecycle:Lead Capture → CRM → Routing → Follow-Up → Pipeline → Conversion → AttributionYou'll also:Automate lead routing and assignmentBuild pipeline management workflowsConfigure webhooks and API integrationsSync CRM conversion outcomes back to advertising platformsSupport offline conversion and CAPI event trackingMaintain data consistency across systemsTroubleshoot broken integrations and automation workflowsAPIs,



Webhooks & Systems IntegrationBuild reliable connections between marketing and operational platforms.You'll work extensively with:REST APIsWebhooksThird-party integrationsAutomation platformsCRM APIsAdvertising APIsAI APIsBackend data flowsEnsure systems remain accurate, scalable, and reliable as campaign volume grows.Rapid Execution & IterationThis is a fast-moving environment where engineering directly impacts revenue.You'll:Ship production-ready solutions quicklyTest systems using real campaign dataIterate based on performance and user feedbackWork closely with media buyers to identify bottlenecksTroubleshoot operational and technical issuesPrioritize solutions that create measurable business impactBalance speed with reliability and maintainabilityRequired Experience & SkillsNon-Negotiables4–6+ years of hands-on software engineering experienceStrong full-stack development experience with:ReactNext.jsPythonProven experience building and deploying production-level applications or internal toolsStrong experience with:APIsWebhooksThird-party integrationsAutomation systemsActive use of AI tools in day-to-day engineering workMarketing / Ad Tech ExperienceHands-on experience in a marketing, advertising, performance marketing, or ad tech environment is required.You should have experience with:Meta Pixel and/or Conversion API (CAPI)Event trackingEvent deduplicationAttributionMarketing analyticsCampaign reportingAdvertising data pipelinesExperience building dashboards or reporting systems for paid marketing campaigns—particularly Meta Ads—is strongly preferred.CRM & Automation ExperienceHands-on experience integrating or automating platforms such as:GoHighLevelClose CRMHubSpotSimilar CRM systemsYou should understand:Lead captureLead routingPipeline managementFollow-up automationConversion trackingOffline eventsCRM-to-ad-platform attributionNice to HaveExperience working inside a performance marketing agencyExperience supporting high-volume lead generation campaignsFamiliarity with paid media metrics such as:ROASCPLCACConversion rateExperience with:ZapierMakeSimilar automation platformsUnderstanding of marketing data pipelinesFamiliarity with attribution challenges caused by:iOS privacy changesBrowser restrictionsCookie limitationsExperience supporting home services or local lead-generation businessesWhat Makes You a Strong FitYou:Are a builder firstPrefer shipping working systems over creating theoretical architectureUnderstand how engineering connects to marketing performance and revenueCan move comfortably between frontend, backend, APIs, CRM systems, and marketing technologyTroubleshoot problems independentlyUnderstand attribution beyond simply installing a tracking pixelUse AI practically in your development workflowWork well with non-technical stakeholders such as media buyers and operatorsMove quickly without sacrificing system reliabilityTake ownership from problem identification through deploymentWhat a Typical Day Looks LikeYour day may include:Building a new internal tool in Next.js and ReactDeveloping Python backend functionalityTroubleshooting Meta CAPI or Pixel trackingInvestigating attribution discrepanciesConnecting CRM conversion data to advertising platformsBuilding or improving a marketing performance dashboardCreating an AI-powered lead qualification workflowDeveloping API or webhook integrationsAutomating repetitive operational processesMeeting with media buyers to understand campaign bottlenecksShipping improvements and monitoring their real-world impactIn short: you build the technology layer connecting advertising, leads, CRM data, AI, attribution, and revenue operations.Key Metrics for SuccessInternal tools successfully adopted by media buyers and operatorsReduced manual work across marketing and CRM workflowsAccurate and reliable conversion trackingImproved attribution across advertising and CRM systemsFaster campaign reporting and operational executionReliable integrations and data flowsIncreased automation across repetitive processesAI systems delivering measurable improvements in efficiency, lead quality, or conversionWhy This Role Stands OutBuild systems with direct impact on marketing performance and revenueWork across full-stack engineering, AI, marketing technology, and automationSolve real attribution and lead-generation problemsHigh ownership over technical executionDirect collaboration with leadership and performance marketing teamsExposure to 150+ home service businesses and significant campaign dataOpportunity to build systems that become core infrastructure for a growing agencyFully remote environmentInterview ProcessInitial Phone ScreenVideo Interview with Pavago RecruiterClient InterviewOffer & Background VerificationApply NowIf you:Have 4–6+ years of software engineering experienceAre strong with Next.js, React, and PythonHave hands-on marketing or ad tech experienceUnderstand Meta Pixel, CAPI, attribution, and conversion trackingHave built CRM integrations and lead automation workflowsActively use AI in your engineering workLove shipping systems that solve real business problemsWe'd love to hear from you.Important: Spark Hire Video InterviewAs part of our application process, qualified candidates will be invited to complete a one-way video interview through Spark Hire.This is your opportunity to introduce yourself and highlight your experience with full-stack development, Next.js, React, Python, marketing technology, Meta Pixel/CAPI, CRM integrations, attribution, automation, and AI-powered systems.We recommend sharing specific examples of systems you have personally built and deployed—especially projects involving marketing data pipelines, conversion tracking, CRM automation, internal dashboards, APIs, webhooks, or AI integrations.
Focus on your individual technical contribution and the measurable business impact of your work.Please complete your Spark Hire interview promptly after receiving the invitation.
Candidates who do not complete the video interview may not move forward in the hiring process.
#FullStackEngineer #FullStackDeveloper #NextJS #ReactJS #PythonDeveloper #AdTech #MarTech #MarketingTechnology #MetaCAPI #MetaPixel #APIs #CRMIntegration #GoHighLevel #HubSpot #AIEngineer #Automation #RemoteDeveloper #SoftwareEngineering #LI-AG1

📌 Full Stack Engineer (México)
🏢 Pavago
📍 México