Backend Platform Engineer

Spin Master

. Own the API and job queues that every sticker request runs through .

Posted 10/7/2026full-timeRemote • Canada, United StatesMid-LevelSenior💰 CA$136,700 - CA$182,300 per yearWebsite

Core Competencies

Role fit

Core Competencies

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

Demonstrates expertise in Python and PostgreSQL, with a strong focus on managing production infrastructure and scaling real-time systems. Capable of enhancing observability and ensuring system safety and affordability as the product grows.

Highest-signal resume keywords

Python ExpertisePostgreSQL ProficiencyProduction Infrastructure OwnershipReal-Time System ScalingAPI Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

PythonPostgreSQLElixirAPI ManagementDatabase MigrationsAutoscalingMetrics and LoggingQueue-Driven SystemsReal-Time SystemsCost Instrumentation

Soft Skills

CollaborationProblem-SolvingOn-Call Management

Tools & Technologies

Hapiko BackendGPU InferenceObservability Tools

Industry Keywords

Device SecurityPrivacyAbuse PreventionSafe DeploysFast Rollback

Tech Stack

Tools & technologies

ElixirPostgresPython

About the role

Key responsibilities & impact

Own the API and job queues that every sticker request runs through
Maintain the real-time connection layer that devices rely on, partnering with the firmware engineer
Tune and extend autoscaling for holiday spikes and fleet growth, partnering with the ML Serving engineer on GPU inference
Mature observability through metrics, logs, tracing and alerts
Build cost instrumentation for requests, models and services
Own release engineering for server-side services, including safe deploys, database migrations and fast rollback
Partner with the Trust & Safety engineer on abuse prevention, device security and privacy
Share on-call and improve the rotation over time
Harden, scale and set standards for Hapiko's backend foundations

Requirements

What you’ll need

Depth in Python and PostgreSQL
Elixir experience, or real interest in learning it
Experience owning production infrastructure end to end
Experience scaling a queue-driven or real-time system through an order of magnitude of traffic growth
Comfortable being paged for systems you own
Ability to work on systems that are fast, safe for kids and affordable as the product scales

Benefits

Comp & perks

Growth and Career Opportunities
Flexible Work Hours
Innovation, Collaboration and Fun
Comprehensive Benefits
Other fun Perks!
Reasonable accommodation during the hiring and selection process