Senior Full-Stack Software Developer – AI Customer Support

gaiia

. Build the core AI agent runtime powering conversations across voice, chat, and email in multiple languages .

Posted 9/25/2026full-timeRemote • CanadaSenior💰 $120,000 - $200,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in AI agent design and development, with a strong focus on integrating real-time APIs and building observability tooling. Proficient in TypeScript, DevOps, and cloud infrastructure, with a commitment to continuous improvement and user trust in AI products.

Highest-signal resume keywords

AI Agent DesignTypeScript DevelopmentDevOps ExperienceReact LibraryLLMs and Prompt Engineering

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

AI Agent DesignTypeScriptNode.jsReactDevOpsCloud InfrastructureCoding AgentsConversation AnalyticsAutomated TestingMicroservices

Soft Skills

Team PlayerImpeccable Work EthicNatural Drive

Tools & Technologies

Gaiia APIsServerless EcosystemConversation SimulationsA/B Testing Infrastructure

Industry Keywords

AI Product DesignUser TrustBehavior ConfigurationEscalation RulesContinuous Improvement

Tech Stack

Tools & technologies

CloudJavaScriptMicroservicesNode.jsReactTypeScript

About the role

Key responsibilities & impact

Build the core AI agent runtime powering conversations across voice, chat, and email in multiple languages
Integrate real-time access to gaiia’s APIs for account lookups, billing, plan changes, and other operations
Design and implement the agent configuration experience for behavior, tone, escalation rules, and business logic
Build quality and observability tooling, including dashboards, conversation analytics, and automated evaluation systems
Develop continuous improvement loops that analyze customer interactions, identify gaps, suggest improvements, and validate changes
Integrate voice, live chat, email, and SMS infrastructure
Design guardrails and safety layers to enforce approved boundaries and appropriate escalation
Contribute to automated conversation simulations, regression testing, and A/B testing infrastructure
Work in a serverless ecosystem of microservices deployed on cloud infrastructure using TypeScript across frontend, backend, and infrastructure-as-code

Requirements

What you’ll need

Hands-on experience with LLMs, prompt engineering, and AI agent design
Experience building agentic systems that take real actions
Strong intuitions about AI product design, including failure modes, edge cases, and user trust
Proven experience building with Coding Agents (Claude Code, Codex, etc.)
Active exploration of AI tools, frameworks, and patterns
At least five (5) years of experience in TypeScript
Experience in DevOps and cloud infrastructure
Experience with the React library
Experience with Node.js
Natural drive to turn ambitious ideas into reality
Team player with impeccable work ethic

Benefits

Comp & perks

Competitive pay and benefits
Attractive stock options
100% remote environment
Flexible 25 days vacation
Group Insurance
Telemedicine
Life Spending Account
RRSP & DPSP
Flexible working hours & all-remote work
Employee Stock Option Plan (ESOP)
Accessible technologies and disability accommodations during the application process