Full Stack Engineer

Description
Full Stack Engineer    Next.js, React, Python, AI & Marketing Technology | Remote | EST Hours
Position Type:  Full-Time, Remote

Working Hours:

U.S. Business Hours – EST
About the Role   At 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 development
Marketing data and attribution
Meta Pixel & Conversion API (CAPI)
AI-powered marketing workflows
CRM integrations and automation
Internal dashboards and operational tools
You’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 Own    Full-Stack & Internal Tool Development — Primary Focus   Build, deploy, and maintain internal applications using:
Next.js
React
Python
You’ll:
Develop marketing dashboards and reporting systems
Build internal operational tools used by media buyers and teams
Replace repetitive manual workflows with scalable software
Develop reliable backend services and integrations
Take systems from concept through production deployment
Continuously improve tools based on real user and campaign needs
Marketing Data, Tracking & Attribution — Core Focus   Own and improve the technical infrastructure connecting advertising performance to actual business outcomes.
You’ll:
Implement and optimize  Meta Pixel
Work hands-on with  Meta Conversion API (CAPI)
Configure accurate event tracking
Handle event deduplication
Improve attribution accuracy
Troubleshoot tracking discrepancies
Build pipelines connecting:
Ad Platforms → Backend Systems → CRM → Reporting Dashboards
Develop reporting systems that give teams visibility into metrics such as:
ROAS
CPL
CAC
Conversion rates
Lead quality
Campaign performance
AI Integration & Marketing Automation   Build AI directly into live marketing and operational workflows.
Use APIs such as  OpenAI  and similar AI platforms to develop systems for:
Ad copy generation
Creative ideation
Lead scoring
Lead qualification
Campaign analysis
Performance insights
Automated reporting
Operational workflow automation
This role requires someone who actively uses modern AI tools—not someone with only theoretical exposure.
CRM & Lead Lifecycle Automation — Critical   Integrate and automate CRM platforms such as:
Go High Level
Close CRM
Hub Spot
Similar CRM systems
Build workflows connecting the entire lead lifecycle:
Lead Capture → CRM → Routing → Follow-Up → Pipeline → Conversion → Attribution
You’ll also:
Automate lead routing and assignment
Build pipeline management workflows
Configure webhooks and API integrations
Sync CRM conversion outcomes back to advertising platforms
Support offline conversion and CAPI event tracking
Maintain data consistency across systems
Troubleshoot broken integrations and automation workflows
APIs, Webhooks & Systems Integration   Build reliable connections between marketing and operational platforms.
You’ll work extensively with:
REST APIs
Webhooks
Third-party integrations
Automation platforms
CRM APIs
Advertising APIs
AI APIs
Backend data flows
Ensure systems remain accurate, scalable, and reliable as campaign volume grows.
Rapid Execution & Iteration   This is a fast-moving environment where engineering directly impacts revenue.
You’ll:
Ship production-ready solutions quickly
Test systems using real campaign data
Iterate based on…