Full-Stack Developer - SMPT/Web Scraper Product (Nigeria)

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  • Nigeria
  • Permanent
  • Full-time
  • 1 month ago
  • Apply easily
Job Summary:We’re looking for a Full-Stack Developer to build and scale a custom cold email campaign platform with advanced features like scheduling, A/B testing, reply detection, and SMTP integration. The role involves developing scraping systems, managing data enrichment APIs, setting up secure infrastructure, and creating a lightweight admin dashboard. You’ll work with technologies like React/Next.js, Python/Flask, PostgreSQL, Docker, and GitHub. Ideal candidates have strong experience in full-cycle product development, email marketing systems, and working in fast-paced, collaborative environments.Core Task:
  • Design and build a custom cold email campaign engine with features like scheduling, email rotation, A/B testing, and reply detection
  • Implement and manage integrations with SMTP providers (e.g., Mailgun, SendGrid) or configure custom SMTP relays
  • Develop logic for email warm-up, bounce handling, inbox health tracking, and anti-spam safeguards
  • Build a scalable web scraping system to extract contact names, emails, and metadata from company websites and social media platforms
  • Integrate 3rd-party data enrichment APIs to augment scraped and uploaded contact data
  • Create a lightweight admin dashboard to manage campaigns, monitor metrics, and oversee lead data
  • Implement database architecture to support campaign logic, lead data storage, and email performance tracking
  • Set up job queues and background tasks for campaign sending and scraping operations
  • Maintain system reliability and security, including IP rotation, proxy management, and CAPTCHA avoidance
  • Collaborate with the founder or product lead to define and prioritize new features, improvements, and integrations
Must-Have:
  • 5+ years of experience as a full-stack dev (preferably with SMPT/web scraping projects)
  • Front end: intermediate - advanced skills with React.js or Next.js
  • Back-end: intermediate - advanced skills with Python/Flask, PostgreSQL, and SMPT platforms like Mailgun or SendGrid
  • Hands on experience with infrastructure / dev ops platforms like Docker and GitHub
  • Experience as a founding engineer building new products from ideation to launch
  • Knowledge of version control systems (e.g., Git or similar tool)
  • Strong written and verbal English communication skills
  • Ability to work EST
Nice to Have:
  • Hands on experience with marketing, especially email marketing campaigns
System Admin
  • Scaling databases (replication)
  • General Server Optimization
  • Transition from Google to AWS
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