Software Engineer (Full Stack)

About Apten

Omnichannel AI agents that engage leads across SMS, voice, and email

The role

### About the RoleApten is an omni-channel AI agent that automates sales and marketing conversations with millions of leads across SMS, voice, and email.Apten communicates **exactly like a human** — dynamically switching between channels, personalizing every follow-up, and proactively using tools (CRMs, schedulers, lead systems) in-conversation.We are **profitable, well-funded, and growing fast**.We’re now scaling rapidly and looking for our second **full stack software engineer** to join us. You’ll work directly with the founding team to build core product experiences and infrastructure — from high-throughput message pipelines to voice bots, workflow builders, context management systems, AI-driven orchestration, and self-improvement systems.This is an opportunity to own critical systems and shape the product and culture from the ground up.---### What You’ll Do* **Own and ship core features** across the stack — from React frontends to AWS-based APIs, Lambdas, and microservices* **Work directly with enterprises** to build AI agents, and the data flywheels needed to give them proper context* **Build scalable infra** for messaging, AI inference, and automation at high volume* **Experimental work** - turn Apten into a self-improving, high-performance sales/marketing agent. 100% ownership, 0 bureaucracy---### What We’re Looking For* **Curiosity and drive to figure things out** — whether debugging a scaling issue or building something completely new* Experience building and shipping production software (or equivalent skill) - personal projects are OK* Experience with **TypeScript**, **React**, and **AWS (Lambda, ECS, DynamoDB, SQS, CDK, etc.)*** Strong product sense — able to make pragmatic tradeoffs, prioritize for impact, and ship fast* Comfortable working across the stack (frontend → backend → infra)* Previous startup or early-stage experience a plus---### Bonus Points* Experience working with LLMs* Experience with event-driven architectures and async workflows* Strong interest in AI-powered automation and conversational systems---

Skills

• Amazon Web Services (AWS)
• Node.js
• Python
• React
• Prompt Engineering