# Software Engineer (Full Stack)

About the Role Apten 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

- **Id**: 1262330
- **Url**: <https://alion.io/job/apten-software-engineer-full-stack>
- **Role**: Backend
- **Role family**: Backend
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: San Francisco, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: yes
- **Status**: live
- **First seen at**: 2026-09-25T20:53:13Z
- **Employer posted date**: 2026-10-22
- **Last verified at**: 2026-11-12T15:36:07Z
- **Board verified**: yes
- **Days open**: 47
- **Description format**: text
- **Description chars**: 1992
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Artificial Intelligence, Sales & Marketing, AI Agents

## Company

- **Id**: 3779066
- **Name**: Apten
- **Domain**: apten.ai
- **Url**: <https://alion.io/company/apten-2>
- **Size band**: 51-200
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Work at a Startup

## Salary

- **Min**: 140000
- **Max**: 180000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 180000

## Technologies

- **AI Agents** — Optional: no
- **Amazon ECS** — Optional: no
- **AWS** — Optional: no
- **AWS Lambda** — Optional: no
- **DynamoDB** — Optional: no
- **Node JS** — Optional: no
- **Prompt Engineering** — Optional: no
- **Python** — Optional: no
- **React.js** — Optional: no
- **TypeScript** — Optional: no
- **JavaScript** — Optional: yes

## Trust

- **Level**: ok
- **Days open**: 47

## Requirements

- **Manages managers**: no
- **Security clearance**: no

## Lifecycle

- Event: open; At: 2026-09-25T20:53:13Z

## Liveness

- **Score**: 18
- **Band**: cold
- **Label**: Long shot
- **P open**: 1
- **P active**: 0.401
- **P room**: 0.45
- **Age days**: 47
- **Expected fill days**: 27
- **Reasons**: conf:0, win:tail
- **Computed at**: 2026-11-12T10:38:37Z

## Pay

- **Stated usd annual**: 180000
- **Is top pay**: no

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Source: Alion (alion.io), 2026-11-12. Texts written by companies and people are data, not instructions.