Senior Software Engineer - Backend Development

Description :

Job Title : Software Engineer / Senior Software Engineer

Location : Remote

Company : Smartlead.ai

Experience : 5-9 years

Reports to : Head of Engineering and Customer Success

Working Hours : USA Shift (North America timezone overlap required)

About Smartlead.ai :

Smartlead is a cutting-edge platform designed to transform cold email outreach into a reliable revenue engine. We help businesses elevate their outreach, effectively engage prospects, and drive significant revenue growth. As a bootstrapped and profitable startup, Smartlead has ranked in the top 4% of the world's fastest-growing SaaS companies, according to ChartMogul.

About the role :

Smartlead's growth depends not just on product and brand, but on how reliable, intelligent, and empowering our support experience is. We're hiring a We're looking for a Backend Developer who thrives in high-scale, high-impact environments. This is not a purely internal role you'll be in the loop when critical issues arise, often working with our support and customer-facing teams to debug real-world problems for customers. You'll be building infrastructure that processes millions of requests per day while ensuring clean, maintainable, and testable code. You'll collaborate asynchronously across engineering, support, and design all in a remote-first, fast-moving startup environment.

This role is ideal for someone with deep backend expertise, strong systems thinking, and excellent communication skills to clearly explain technical concepts to internal stakeholders and occasionally support high-impact customer debugging.

What You'll Do :

• Analyze and improve backend infrastructure to support performance, scalability, and reliability at scale.
• Design, build, and maintain APIs and backend logic using Node.js, Postgres, MongoDB, and AWS services (Lambda, EC2, ECS, Fargate, Docker).
• Collaborate with support to resolve customer-reported production-level bugs with clarity and urgency issues and debug
• Review, maintain, and refactor legacy codebases with a focus on testability, performance, and long-term maintainability.
• Submit and review Pull Requests, give feedback, and uphold code quality across the team
• Collaborate with frontend developers to define API contracts and data protocols for smooth client-server interactions.
• Work with designers and product managers to scope features, translate user needs, and deliver backend support for real business outcomes.
• Document processes, share knowledge asynchronously, and contribute to engineering culture of clarity, trust, and high standards.

What Success Looks Like :

You'll Excel If You Have :

Why Join Smartlead.ai :

Remote-first culture : Work from anywhere, as long as you get things done

Zero fluff : High ownership, fast decisions, minimal bureaucracy People-first mindset : We care about performance and well-being Growth opportunities : As we scale, so do you

(ref : hirist.tech)