Senior GTM Engineer / Lead Generation Specialist

GTM Engineer / Lead Generation Specialist (Apollo, Prospeo & Smartlead)

About the Company

Our client is a growing outbound growth agency that helps B2B companies generate pipeline through prospecting, cold email, automation, and AI-powered GTM systems. They leverage modern tools and processes to help clients consistently book meetings and scale revenue.

The team values ownership, experimentation, and continuous improvement, and is looking for a GTM Engineer / Lead Generation Specialist to support lead sourcing, outbound operations, and workflow automation across multiple client campaigns.

About the Role

We are seeking a highly technical GTM Engineer / Lead Generation Specialist to join a fast-growing outbound growth agency. This role is responsible for building high-quality prospect lists, supporting outbound email campaigns, managing lead generation workflows, and continuously improving campaign performance through automation and experimentation.

This is not a traditional SDR or list-building position. We're looking for someone who understands modern outbound infrastructure, enjoys solving complex prospecting challenges, and is comfortable using AI-powered tools, scraping platforms, APIs, and automation workflows to scale results.

Responsibilities

Lead Generation & List Building

• Build highly targeted B2B prospect lists that match client ICPs.
• Source, enrich, validate, and maintain lead databases using Apollo, Prospeo, and other tools.
• Ensure data accuracy and prevent duplicates against previous outreach and suppression lists.
• Maintain sufficient lead volume to support active outbound campaigns.

Campaign Operations

• Upload and manage leads within Smartlead.
• Configure campaigns, sequences, inboxes, schedules, and related campaign settings.
• Monitor campaign performance, inbox health, deliverability, and infrastructure.
• Troubleshoot issues and coordinate with vendors when needed.

Automation & GTM Engineering

• Use AI coding tools such as Claude Code or Codex to automate repetitive workflows.
• Build and improve lead generation, enrichment, verification, and scraping processes.
• Work with APIs, automation tools, and data workflows to improve efficiency and scale.
• Document successful processes and create repeatable systems.

Experimentation & Optimization

• Run structured tests on audiences, messaging, inbox configurations, and campaign variables.
• Analyze results and identify opportunities to improve performance.
• Share learnings and recommendations with the team.

Requirements

Required Experience

• 2+ years of experience building B2B prospect lists for outbound campaigns.
• Strong hands-on experience with Apollo.
• Strong hands-on experience with Prospeo.
• Experience launching or managing cold email campaigns.
• Experience using Smartlead, Instantly, Lemlist, or similar outbound platforms.
• Understanding of email deliverability, inbox management, and outbound infrastructure.
• Experience using AI tools such as Claude Code, Codex, Cursor, or similar.

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• Strong attention to detail and data quality.

Technical Skills

• Experience with APIs and workflow automation.
• Experience with web scraping and data enrichment workflows.
• Familiarity with Apify or similar scraping platforms.
• Basic scripting knowledge (Python, JavaScript, or similar) is a plus.
• Experience with GitHub, Supabase, SQL, or related tools is a plus.

The ideal Candidate is someone who:

• Enjoys solving prospecting and lead-generation challenges.
• Is comfortable working with modern AI tools and automation workflows.
• Takes ownership and proactively identifies issues before they impact campaigns.
• Thinks in systems and processes rather than manual tasks.
• Constantly looks for better ways to source, enrich, and validate data.

Benefits

• Fully remote position.
• Work with a modern AI-powered GTM and outbound technology stack.
• Opportunity to contribute to process development and experimentation.
• Exposure to a variety of B2B industries and outbound growth strategies.