About the Company: An established, profitable US-based B2B SaaS company behind a decade-old, revenue-carrying sales-engagement platform (cold email and outreach automation). Small, lean team. This is the most important engineering hire on the product. The Role: You will be a hands-on engineer who owns the platform day to day, end to end: backend services, frontend, AWS infrastructure, production debugging, and third-party integrations. Success in the first six months looks like this: you learn the stack fast, get it quiet by automating the manual work that still runs by hand, and then start building what's next. There is a clean handoff from the departing engineer, who will help you transition. What You'll Own: - Own the codebase end to end as the primary engineer: ship features, fix issues, keep production healthy - Get the stack quiet in your first weeks by automating the manual processes that still eat time today - Root-cause and resolve production incidents in live systems with paying customers: memory and heap issues, third-party API edge cases, queue backups - Run deploys and infrastructure changes as routine daily work across the AWS stack - Build and run your own AI agent w... Click Apply to read the full job description.