Full Stack Engineer

A fast-growing marketing agency serving over 150 home service businesses is seeking a Full Stack Engineer to develop and scale internal technology that enhances marketing performance, lead generation, attribution, and revenue operations. This is a hands-on role focused on building production-ready tools using Next.js, React, and Python. The engineer will integrate advertising platforms with CRM and backend systems, improve marketing attribution, and embed AI into marketing workflows. Collaboration with leadership, media buyers, and operators is essential to transform operational challenges into scalable technical solutions. The position is full-time, remote, and aligned with U.S. Eastern Standard Time business hours.

Key Responsibilities

- Develop and deploy internal applications using Next.js, React, and Python to support marketing teams.
- Create dashboards, reporting systems, and operational tools that scale across 150+ client accounts.
- Automate manual marketing processes and maintain existing applications as business needs evolve.
- Implement and optimize Meta Pixel and Conversion API (CAPI) for accurate event tracking, deduplication, and conversion attribution.
- Build data pipelines connecting ad platforms, backend systems, CRM platforms, and reporting dashboards to improve data accuracy.
- Develop reporting systems focused on key marketing metrics such as ROAS, CPL, CAC, conversion rates, and lead quality.
- Integrate and automate CRM platforms including GoHighLevel, Close CRM, HubSpot, and similar systems.
- Design workflows that connect lead capture through CRM follow-up to conversion, automating lead routing and pipeline management.
- Sync CRM conversion outcomes back to advertising platforms using offline events and CAPI, ensuring data consistency.
- Incorporate AI functionality into marketing and operational workflows for tasks such as ad copy generation, lead scoring, campaign analysis, automated reporting, and workflow automation.
- Work with OpenAI and other AI platform APIs to build production-ready AI-powered systems.
- Rapidly develop, ship, and iterate solutions based on campaign and user feedback.
- Troubleshoot issues across applications, integrations, tracking, and automation to continuously improve campaign performance and operational efficiency.

Required Qualifications

- 4 to 6+ years of hands-on software engineering experience with strong full-stack skills.
- Proficiency in React, Next.js, and Python with proven experience building and deploying production-level applications.
- Expertise in APIs, webhooks, integrations, and automation systems.
- Experience in marketing technology, ad tech, agency, or performance marketing environments.
- Hands-on experience implementing or managing Meta Pixel and Meta Conversion API (CAPI).
- Deep understanding of event tracking, deduplication, attribution, and conversion tracking.
- Experience building marketing dashboards and reporting systems.
- Skilled in integrating CRM platforms such as GoHighLevel, Close CRM, HubSpot, or similar.
- Ability to automate lead capture, routing, pipeline management, follow-ups, and conversion tracking.
- Experience connecting advertising platforms with CRM data for attribution and reporting.
- Regular use of AI tools and APIs in daily engineering workflows.
- Strong builder mentality with a focus on shipping and execution.
- Ability to work remotely during U.S. EST business hours.

Preferred Qualifications and Benefits

- Experience working directly within a performance marketing agency.
- Familiarity supporting paid media teams or media buyers.
- Understanding of key marketing metrics including ROAS, CPL, CAC, conversion rates, and lead quality.
- Experience with automation platforms such as Zapier or Make.
- Knowledge of designing and maintaining marketing data pipelines.
- Awareness of attribution challenges related to privacy changes and iOS tracking restrictions.
- Experience building AI-powered internal tools.
- Comfort working in multi-client or agency reporting environments.

This role offers the opportunity to build critical infrastructure that makes marketing campaigns more measurable, automated, and effective. Success is measured by adoption of internal tools, reduction of manual workflows, accurate tracking and attribution, synchronized ad and CRM data, faster campaign reporting, improved operational efficiency, and AI-driven enhancements in lead quality and conversion rates. The interview process includes an initial phone screen, video interviews, client interviews, and background verification. If you have strong experience in React, Next.js, Python, marketing technology, Meta CAPI, CRM integration, and AI automation, this position provides a unique chance to impact marketing performance at scale.