Senior Software Engineer, Backend – Lake Analytics Platform

Affirm

Senior Software Engineer focusing on building, operating, and extending systems for Affirm's data infrastructure. Responsible for core platform reliability and data access across teams.

Posted 7/10/2026full-timeRemote • 🇨🇦 CanadaSenior💰 CA$153,000 - CA$213,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building and operating cloud analytical data platforms, with strong proficiency in Python and SQL for backend engineering. Capable of designing secure data access patterns and developing integrations to enhance platform capabilities and operational efficiency.

Highest-signal resume keywords

Cloud Analytical Data Platform ExperienceContainerized Application DevelopmentIntegration and Networking SkillsOperational Ownership and Incident ResponseStrong Communication and Collaboration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

PythonSQLCloud Analytical Data PlatformsREST APIsOAuth/OIDCDockerCI/CD Pipeline DesignTelemetry and AlertingAutomation and ToolingData Governance

Soft Skills

Strong Written CommunicationStrong Verbal Communication

Tools & Technologies

SnowflakeDatabricksBigQueryBuildkiteGitHub Actions

Industry Keywords

Data Access PatternsSelf-Service InfrastructurePlatform OperationsIncident TriageCode Review Standards

Tech Stack

Tools & technologies

BigQueryCloudDockerPythonSQL

About the role

Key responsibilities & impact

Build and operate core platform capabilities: Design and implement platform features that enable engineers across Affirm to build, deploy, and operate data applications at scale
Develop integrations: Build and maintain integrations between the platform and internal systems
Strengthen data access and governance: Design and operate secure data access patterns across the platform's analytical infrastructure
Automate toil and unlock self-service: Identify recurring support patterns and build the automation and tooling to make them self-service
Improve observability and incident response: Build telemetry, alerting, and log infrastructure for diagnosing and resolving issues
Support platform operations: Participate in on-call coverage, triage production incidents across platform services
Contribute to the emerging platform roadmap: Help design and build next-generation platform capabilities
Raise the engineering bar: Set and hold high standards in code review, design, operational readiness

Requirements

What you’ll need

Analytical Data Platform Depth: Hands-on experience operating a cloud analytical data platform (e.g., Snowflake, Databricks, BigQuery, or similar)
Container and Deployment Expertise: Experience building and operating containerized applications — Docker image management, CI/CD pipeline design (Buildkite, GitHub Actions, or similar)
Platform and Developer Tooling: Experience building internal platforms, developer tooling, or self-service infrastructure that makes other engineers more productive
Integrations and Networking: Comfort building integrations between systems — REST APIs, OAuth/OIDC, webhook ingestion, secrets management
Backend Engineering Fundamentals: Proficiency in Python and SQL for building reliable, maintainable platform services
Operational Ownership: Strong operational instincts — you instrument your systems, write runbooks, own your alerts, and treat on-call burden as a design constraint from day one
Agentic and AI-Ready Data Tools: Familiarity with or interest in semantic layer design, LLM-integrated platform workflows
Communication and Collaboration: Strong written and verbal communication to work across teams

Benefits

Comp & perks

Health care coverage - Affirm covers all premiums for all levels of coverage for you and your dependents
Flexible Spending Wallets - generous stipends for spending on Technology, Food, various Lifestyle needs, and family forming expenses
Time off - competitive vacation and holiday schedules allowing you to take time off to rest and recharge
ESPP - An employee stock purchase plan enabling you to buy shares of Affirm at a discount