About the role

Senior Software Engineer building modern web applications for Cresta's AI Receptionist. Collaborating with Product, Design, and AI/ML teams to enhance customer experiences.

Responsibilities

Partner with Product Managers, Designers, and Engineers to define and deliver new AI Receptionist capabilities.
Design and build modern, responsive, and highly interactive web applications using React and TypeScript.
Create intuitive user experiences for configuring conversational AI, managing knowledge sources, testing AI behavior, and deploying voice agents.
Build reusable UI components and frontend infrastructure that improve consistency, scalability, and engineering velocity.
Integrate frontend applications with backend services using REST APIs, WebSockets, and real-time streaming technologies.
Collaborate closely with AI and ML engineers to surface LLM-powered capabilities through intuitive user experiences.
Optimize application performance, accessibility, reliability, and responsiveness across enterprise-scale deployments.
Drive frontend architecture decisions and establish engineering best practices.
Improve developer productivity through testing, CI/CD, observability, monitoring, and automation.
Mentor engineers through technical leadership, design reviews, and collaborative problem solving.

5+ years of professional software engineering experience with a strong focus on frontend development.
Deep expertise with modern frontend technologies including React, TypeScript, JavaScript, HTML, and CSS.
Experience building complex, production-scale web applications with exceptional user experiences.
Strong understanding of frontend architecture, component design, state management, and modern build systems.
Experience integrating with backend services using REST APIs, GraphQL, WebSockets, or streaming protocols.
Familiarity with frontend tooling including Vite, Webpack, Node.js, and modern testing frameworks.
Strong understanding of application performance optimization, observability, and debugging.
Experience collaborating closely with Product and Design teams to build polished enterprise applications.
Ability to influence technical direction while contributing high-quality production code.
Excellent communication skills and the ability to thrive in a fast-paced, collaborative environment.

We offer Cresta employees a variety of medical, dental, and vision plans, designed to fit you and your family’s needs
Paid parental leave to support you and your family
Monthly Health & Wellness allowance
Work from home office stipend to help you succeed in a remote environment
Lunch reimbursement for in-office employees
PTO: 3 weeks in Canada