The Challenge
QC Growth, a US-based sales consultancy, faced significant operational inefficiencies in their outbound sales prospecting for founding sales roles. Their team needed to identify high-value startup prospects actively hiring for founding Account Executive, Business Development Representative, and Head of Sales positions—a manual process that consumed substantial time and resources. The challenge extended beyond simple job board searches: they needed to validate whether companies were genuinely startups, enrich hiring manager details, identify additional decision-makers such as CEOs and founders, and verify contact information to acceptable standards.
Furthermore, the organisation lacked coordinated trigger-based logic across their email and LinkedIn outreach platforms. Engagement signals from Instantly email campaigns and HeyReach LinkedIn sequences operated in isolation, preventing the sales team from capitalising on prospect interest in real time. With additional requirements to integrate Trigify for LinkedIn engagement monitoring, synchronise qualified leads to their CRM, and maintain quarterly data cleansing protocols, QC Growth required a comprehensive automation infrastructure that could scale without the execution limits and vendor lock-in associated with cloud-based solutions. The need for data privacy, customisation flexibility, and regulatory compliance made self-hosted deployment a strategic imperative.
Project Objectives
The engagement focused on delivering three core automation workflows supported by self-hosted infrastructure and ongoing maintenance. The primary objectives were to automate job search and enrichment processes using LinkedIn and Indeed APIs, implementing AI-powered startup validation and multi-source data enrichment to identify hiring managers and C-level executives at target companies. The second objective centred on email verification and campaign management, ensuring contact data met rigorous verification standards beyond basic domain validation before integration with Instantly email campaigns.
The third objective established sophisticated event monitoring and sales trigger logic across both Instantly and HeyReach platforms, enabling the sales team to respond intelligently to prospect engagement signals. Additional goals included integrating Trigify for LinkedIn keyword engagement tracking, establishing CRM synchronisation to update contact properties and pipeline stages automatically, and implementing real-time Slack notifications for positive replies and high-intent engagement patterns. The solution required deployment on a self-hosted DigitalOcean infrastructure running n8n Community Edition, providing full data control, unlimited execution capacity, and compliance flexibility whilst eliminating per-workflow execution costs.
- Automate job search and enrichment processes using LinkedIn and Indeed APIs with AI-powered startup validation
- Implement multi-source data enrichment to identify hiring managers and C-level executives at target companies
- Establish email verification and campaign management ensuring contact data meets rigorous verification standards
- Deploy sophisticated event monitoring and sales trigger logic across Instantly and HeyReach platforms
- Integrate Trigify for LinkedIn keyword engagement tracking
- Establish CRM synchronisation to update contact properties and pipeline stages automatically
- Implement real-time Slack notifications for positive replies and high-intent engagement patterns
Our Approach
We structured the implementation around three interconnected automation workflows, each addressing specific stages of QC Growth's founding sales process. The first workflow, "QC Growth - Founding Sales Flow - Job Search & Enrichment," automated prospect discovery by scraping LinkedIn job postings via RapidAPI endpoints for founding sales roles. We configured OpenAI GPT-4.5 prompts to validate companies against startup criteria, then orchestrated multi-source enrichment through Apollo.io, Ocean.io, and People Data Labs to gather revenue data, funding stages, and valuation metrics. The workflow identified hiring managers from job posts and enriched profiles for CEOs, CFOs, and founders, implementing deduplication logic before storing qualified leads in Airtable.
The second workflow, "QC Growth - Founding Sales Flow - Founders & Hiring Managers to Email Campaign," handled verification and campaign integration. We implemented LeadMagic email verification to conduct ping tests rather than relying on catch-all domain verification, ensuring deliverability quality. OpenAI refined job titles and mapped variables for personalisation before uploading validated leads to Instantly.ai campaigns on an hourly synchronisation schedule. The third workflow, "QC Growth - Founding Sales Flow - Instantly Webhook & LinkedIn Logic," established event monitoring across both platforms, processing email replies, opens, and clicks from Instantly alongside HeyReach connection invites and message replies. We built conditional trigger logic—for example, prospects clicking email URLs three or more times automatically received HeyReach connection invitations—and configured real-time Slack notifications for positive replies and engagement pattern matches.
We extended the solution with supporting workflows for Trigify integration, including "Trigify - Mastra.ai Keyword Engagement webhook & ICP enrichment," which captured LinkedIn engagement events, matched prospects against ideal customer profiles, and enriched data using Apollo.io and LeadMagic. CRM integration workflows like "[Mastra] HeyReach Webhook" processed LinkedIn outreach replies, updating Attio CRM contacts and creating campaign associations with error notifications via Slack. We deployed n8n Community Edition on a DigitalOcean Droplet with 8GB RAM, 240GB storage, and Docker containerisation, configuring environment variables for OAuth redirects and SMTP settings for team access.
Technical Stack
The solution operated on a self-hosted n8n Community Edition instance deployed on DigitalOcean infrastructure meeting ISO 27001, SOC 2 Type II, and SOC 3 Type II compliance standards. We provisioned a scalable VPS with 8GB RAM, 240GB storage, and 48TB monthly bandwidth, utilising Docker for containerisation and simplified deployment. n8n served as the core automation platform, orchestrating workflows across multiple integration points whilst providing unlimited execution capacity and full data ownership.
The technical architecture integrated RapidAPI for LinkedIn and Indeed job search endpoints, with OpenAI GPT-4.5 providing AI-powered startup validation, job title refinement, and classification logic. Data enrichment operated across three primary platforms: Apollo.io for company and contact enrichment, Ocean.io for hiring manager identification, and People Data Labs for decision-maker profile data. LeadMagic handled email verification through ping tests, whilst Instantly.ai managed email campaign orchestration and HeyReach coordinated LinkedIn outreach sequences. Trigify captured LinkedIn keyword engagement events, feeding prospect intelligence into the enrichment pipeline.
Airtable functioned as the central data repository, storing enriched leads, tracking workflow states, and maintaining deduplication records. Attio CRM received qualified prospects with automated property updates and pipeline stage changes based on engagement triggers. Slack provided real-time notification infrastructure, alerting the QC Growth team to positive replies, high-intent engagement patterns, and system errors. Clay supported additional data processing for specific client workflows, whilst Google Sheets and Google Docs facilitated template management and personalisation for certain campaigns. The integration architecture leveraged webhooks extensively, enabling event-driven automation across platforms with custom JavaScript code handling complex conditional logic and data transformation requirements.
Technologies Used:
- n8n Community Edition
- DigitalOcean
- Docker
- RapidAPI
- LinkedIn API
- Indeed API
- OpenAI GPT-4.5
- Apollo.io
- Ocean.io
- People Data Labs
- LeadMagic
- Instantly.ai
- HeyReach
- Trigify
- Airtable
- Attio CRM
- Slack
- Clay
- Google Sheets
- Google Docs
Final Output & Results
The completed solution delivered eight production workflows operating on QC Growth's self-hosted n8n instance, automating the entire founding sales prospecting lifecycle from job discovery through CRM integration. The three core workflows—job search and enrichment, email verification and campaign management, and cross-platform event monitoring with trigger logic—processed prospect data through multiple validation and enrichment stages before initiating targeted outreach. The system automatically scraped job postings for founding sales roles, validated companies as startups using AI, enriched hiring managers and executives across multiple data sources, verified email addresses to deliverability standards, and coordinated intelligent engagement logic between email and LinkedIn channels.
Supporting workflows extended functionality to include Trigify integration for LinkedIn keyword engagement capture, CRM synchronisation workflows updating Attio with qualified prospects and pipeline changes, and Apollo-based company search workflows supporting account-based prospecting strategies. The "Venn - Heyreach Webhook" workflow automated LinkedIn outreach lead management, whilst multiple Trigify implementations captured engagement from different campaigns, enriching prospects with funding data, company information, and technology stack intelligence. Real-time Slack notifications ensured the sales team received immediate alerts for positive replies and high-intent behaviours such as repeated URL clicks, enabling timely follow-up on warm prospects.
The self-hosted infrastructure eliminated execution limits and per-workflow costs, providing QC Growth with unlimited scalability constrained only by server resources rather than vendor pricing tiers. Deployment on DigitalOcean infrastructure ensured regulatory compliance flexibility and full data sovereignty, critical for handling prospect information across multiple jurisdictions. The solution included ongoing support during UK business hours (Monday–Friday, 9:00 AM–5:00 PM GMT/BST), with automated notifications for service interruptions and scheduled version updates to maintain security and functionality. By automating manual prospecting tasks, implementing intelligent engagement triggers, and establishing seamless CRM integration, the platform transformed QC Growth's founding sales operations, enabling the team to focus on high-value prospect conversations rather than data gathering and manual campaign management.
Key Metrics:
- Time Saved: Significant time savings through elimination of manual prospecting tasks
- Efficiency Gain: Unlimited scalability with eliminated execution limits and per-workflow costs
