Senior Backend Engineer (Lakehouse Infrastructure)

Affirm

New York, United States Posted October 16, 2026

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Remote Full-time Senior
Salary Range

$173,000 - $255,000

Job Description

Join Affirm as a Senior Backend Engineer on the Lakehouse Infrastructure team. You will be responsible for owning and delivering quarterly goals, collaborating with product management, design, and analytics, and supporting the operations and availability of your team's artifacts. You will also foster a culture of quality and ownership, and help develop talent on your team. Enjoy a remote-first work environment, generous time off, health benefits, and opportunities for learning and development.

  • Responsable de la conception, du développement et du lancement de systèmes backend à grande échelle, en utilisant des langages tels que Python ou Kotlin.
  • Diriger une équipe d'ingénieurs pour résoudre des problèmes ouverts et garantir que chacun est soutenu tout au long de la livraison.
  • Identifier proactivement les problèmes de projet, de processus, de technologie ou d'entreprise, plaider en leur faveur et diriger leur résolution.
  • You have 4+ years of experience designing, developing and launching backend systems at scale using languages like Python or Kotlin
  • Experience scaling relevant technologies such as Iceberg, Flink, Airflow, Spark, Kafka, Snowflake, and Terraform
  • You write high quality code that is easily understood and used by others
  • You are proficient at making significant changes in a large code base, and have developed a suite of tools and practices that enable you and your team to do so safely
  • Your experience demonstrates that you take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholders
  • You have experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple and extensible design
  • This position requires either equivalent practical experience or a Bachelor’s degree in a related field
  • You have strong verbal and written communication skills that support effective collaboration with our global engineering team
  • You have a track record of developing highly available distributed systems using technologies like AWS, MySQL, and Kubernetes
Required Skills
collaboration product management learning and development Python Kotlin Airflow Spark Kafka Snowflake Terraform written communication distributed systems Amazon Web Services MySQL Kubernetes
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