Full-Stack Developer - SMPT/Web Scraper Product

Job Summary:

Were 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. Youll 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