10 hours ago
Remote, CanadaMid Level
Responsibilities
- Build and scale Redis and Valkey cache services and own cluster migrations from planning through delivery.
- Productionize cache clusters through capacity and shard planning, failover and replication configuration, upgrades, and staged rollouts.
- Automate cache provisioning, configuration changes, and access through audited self-service workflows.
- Operate production cache infrastructure by defining SLOs, creating alerting, participating in on-call, and reducing recurring operational work.
- Partner with client teams on caching strategy, including key design, TTLs, consistency, client timeouts, and workload analysis.
- Break larger projects into phased deliverables, collaborate with product, design, analytics, and engineering stakeholders, and contribute to code reviews and interviews.
Requirements
- At least 2 years of software engineering experience.
- Experience designing, developing, and launching backend systems, with proficiency in Python or Kotlin.
- Familiarity with distributed systems and AWS, MySQL, Redis or Valkey, Terraform, and Kubernetes.
- Production experience with Redis, Valkey, or a comparable in-memory store, including replication, persistence, cluster mode, eviction, and failure modes.
- Ability to reason about cache workloads, including hit rates, tail latency, hot keys, stampedes, and source-of-truth consistency.
- Experience automating infrastructure operations with Terraform, Kubernetes, and Python.
- Experience carrying on-call for a stateful service and taking incidents from metrics through root cause analysis to durable remediation.
- Ability to work in a large codebase, debug code, write tested and extensible software, and provide effective code review feedback.
- Strong verbal and written communication skills and a demonstrated commitment to professional growth.
Benefits
- Remote-first work arrangement with flexibility built in; this role is open only to candidates residing in Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Nova Scotia, Ontario, Prince Edward Island, or Saskatchewan.
- 100% subsidized medical coverage, dental and vision coverage for employees and dependents.
- Monthly technology, health, and wellness spending stipends.
- Flexible time off and generous holiday calendars.
- Employee stock purchase plan and potential equity rewards.
- New hires are invited to attend an in-person onboarding experience.
About Affirm
Affirm provides buy now, pay later installment financing at online and in-store checkout, along with a consumer app and virtual card, for shoppers and merchants. It monetizes through merchant fees and interest on select loans, with no late fees. Founded in 2012 and headquartered in San Francisco, Affirm is a public company listed on NASDAQ that powers payments for thousands of ecommerce retailers.