Senior Backend Engineer — AI-Driven SaaS (Remote)

LeadWinner.ai; United States; Remote; USD 33,000 - 56,000; Full time

Benefits offered by this job

Fully remote

Flexible hours

Direct founder collaboration

AI-first culture

Long-term collaboration

US startup environment

Job summary

LeadWinner.ai is a fast-growing US-based AI SaaS startup seeking a Senior Backend Engineer who actively embraces AI-assisted development to build, ship, and scale our platform. You will own server-side features, optimize APIs, and contribute to architecture decisions.

The role is fully remote with flexible hours, offering long-term collaboration with a growing US startup, direct collaboration with the founder, and an AI-first engineering culture focused on rapid execution.

Qualifications

• 5+ years of backend development experience.
• Strong Node.js, TypeScript, NestJS, and PostgreSQL skills.
• Advanced experience with AI coding tools such as Cursor, Claude Code, or GitHub Copilot.
• Ability to use AI to dramatically accelerate development while maintaining production-quality code.
• Experience with APIs, queues, integrations, and scalable SaaS systems.
• Ability to work independently, make technical decisions, and ship features quickly.

Skills

Backend development

Independent work

System design

Tools

Node.js

TypeScript

NestJS

PostgreSQL

Cursor

Claude Code

GitHub Copilot

Job description

LeadWinner.ai is a fast-growing US-based AI SaaS startup seeking a Senior Backend Engineer who actively embraces AI-assisted development to build, ship, and scale our platform. You will own server-side features, optimize APIs, and contribute to architecture decisions.

The role is fully remote with flexible hours, offering long-term collaboration with a growing US startup, direct collaboration with the founder, and an AI-first engineering culture focused on rapid execution.