Senior Backend Engineer — AI-Driven Systems & Scale

Talently (United States); Nuevo (CA); On-site; USD 140,000 - 210,000; Full time

Job summary

Ethena builds modern compliance training for companies, delivering AI-assisted software with a focus on scalable backend systems. You will contribute to TypeScript-based full-stack work using MySQL, React and Next.js, while prioritizing robust production-quality code and thoughtful design.

You’ll guide AI coding agents, own features end-to-end, and collaborate with a cross-functional team to maintain a rapidly evolving product.

Qualifications

• 7+ years of backend- or full-stack engineering experience.
• Strong preference for elegant system design.
• Experience building business-focused web apps (B2B).
• Proficient with AI coding agents and rapid development.
• Strong English communication and self-starting mindset.

Responsibilities

• Build full-stack software with TypeScript, MySQL, React and Next.js, focusing on backend and system design.
• Direct AI coding agents to deliver production-quality code.
• Own features from concept to production.
• Collaborate with engineers, designers, product managers and the wider Ethena team.
• Navigate a million-line codebase with best practices and product learnings.

Skills

Backend engineering

Full-stack

System design

AI coding agents

English communication

Ownership & autonomy

Tools

Git

CI/CD

Database migrations

Logging & monitoring

AWS

Job description

Ethena builds modern compliance training for companies, delivering AI-assisted software with a focus on scalable backend systems. You will contribute to TypeScript-based full-stack work using MySQL, React and Next.js, while prioritizing robust production-quality code and thoughtful design.

You’ll guide AI coding agents, own features end-to-end, and collaborate with a cross-functional team to maintain a rapidly evolving product.