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Pebl

Senior Software Engineer, AI

Pebl

. Design, build, and ship full-stack features for Alfie, Pebl’s conversational AI assistant.

Posted 11/12/2026full-timeToronto • CanadaSenior💰 CA$122,835 - CA$180,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

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

Demonstrates expertise in full-stack software engineering, particularly in building conversational AI systems using TypeScript, Python, and React. Proven ability to design and implement robust backend services, database schemas, and user experiences while mentoring junior engineers and collaborating effectively in a team environment.

Highest-signal resume keywords
Full-Stack Software EngineeringTypeScript or Python ProficiencyReact/TypeScript DevelopmentLLM-Powered Product ExperienceKubernetes Deployment

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Full-Stack DevelopmentBackend MicroservicesDatabase DesignQuery WritingPrompt EngineeringObservabilitySystem DesignClean Code PracticesTroubleshootingAPI Development
Soft Skills
MentoringCollaborationCommunicationProblem-SolvingAdaptability
Tools & Technologies
PostgresAWSKubernetesReactTypeScript
Industry Keywords
Conversational AIAgentic SystemsMicroservicesData ModelsUser Experience

Tech Stack

Tools & technologies
AWSKubernetesMicroservicesPostgresPythonReactTypeScript

About the role

Key responsibilities & impact
  • Design, build, and ship full-stack features for Alfie, Pebl’s conversational AI assistant.
  • Own features end to end from data models and API layers through user experience.
  • Build and operate backend microservices in TypeScript or Python, Postgres, and AWS on Kubernetes.
  • Build React/TypeScript conversational and streaming interfaces.
  • Apply prompt design, tool/function calling, multi-step agent reasoning, and evaluation to LLM-based systems.
  • Design recovery paths, human-in-the-loop handoffs, and user experiences for AI uncertainty or failure.
  • Prototype new interaction patterns as models and agent capabilities evolve.
  • Build observability and evaluation into AI systems.
  • Troubleshoot backend, frontend, and AI-specific production issues.
  • Write clean, tested, maintainable code; mentor junior engineers and contribute to design and code reviews.
  • Collaborate with product managers, designers, and engineers to deliver features end to end.
  • Report to the Engineering Manager, with day-to-day work led by the Staff Software Engineer.

Requirements

What you’ll need
  • 7+ years of professional software engineering experience, full-stack, with real depth on both the backend and the frontend.
  • Proficient in TypeScript or Python.
  • Strong experience building database-backed services on Postgres or a similar relational database, including schema design and query writing.
  • Strong command of modern frontend development with React/TypeScript.
  • 1+ years of hands-on experience building LLM-powered or agentic products.
  • Experience shipping a conversational AI interface used by real end users.
  • Solid understanding of LLM design patterns, prompt engineering, and observability/instrumentation for agentic systems.
  • Experience building and deploying services in a containerized, Kubernetes-based environment or comparable orchestration.
  • Comfort with AWS.
  • Solid CS fundamentals and system design instincts.
  • Track record of building products beyond standard CRUD apps and dashboards.
  • Comfort working collaboratively in a remote, fast-paced environment.
  • Ability to commit to in-office collaboration Monday through Wednesday at the downtown Toronto office and live within commuting distance.

Benefits

Comp & perks
  • Flexible Time Off – Take the time you need to recharge.
  • Parental Leave – Support for growing families.
  • Health and Dental Insurance – Where applicable, to cover you and your loved ones.
  • Retirement Savings + Employee Incentive Plan – Plan for the future while sharing our success.
  • Equity