Senior Real-Time Full-Stack Engineer: Voice

The Grace Hopper Program at Fullstack Academy; New York (NY); On-site; USD 150,000 - 230,000; Full time

Benefits offered by this job

Equity package

Unlimited PTO

Travel stipend

FlexDesk access

WFH stipend

Parental leave

Entrepreneurial culture

Management transparency

Small teams

Medical, Dental, Vision

Job summary

Hopper is seeking a senior full-stack engineer to anchor HTS Assist, our agentic AI assistant for travel. You will own the realtime, voice layer end-to-end, and build across React/TypeScript front ends, Scala and Python services, and cloud infrastructure.

You will design for multi-tenant scale, ensure safety and compliance, and keep deployments healthy with observability and on-call readiness, partnering with product, design, and operations.

Qualifications

• 6+ years of software engineering experience with ownership of production systems.
• Realtime systems experience (voice apps, streaming, low-latency).
• Strong frontend in React/TypeScript and backend in Scala or Python, with cloud infra on GCP/AWS.

Responsibilities

• Own the voice channel end-to-end including telephony and CPaaS integrations.
• Build features across stack: React/TypeScript frontend, Scala/Python services, cloud infra.

Skills

6+ years exp

Realtime systems

React/TypeScript

Scala/Python backend

Cloud (GCP/AWS)

RESTful APIs

AI coding tools

Observability & SLAs

On-call rotations

Cross-team comms

LLM orchestration

CPaaS knowledge

Travel tech familiarity

Tools

Twilio

Amazon Connect

LiveKit

GCP

Job description

Hopper is seeking a senior full-stack engineer to anchor HTS Assist, our agentic AI assistant for travel. You will own the realtime, voice layer end-to-end, and build across React/TypeScript front ends, Scala and Python services, and cloud infrastructure.

You will design for multi-tenant scale, ensure safety and compliance, and keep deployments healthy with observability and on-call readiness, partnering with product, design, and operations.