Senior Software Engineer, Convert (Backend/Infra)

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WebflowSoftware Development
Remote-first (Argentina)Full-TimeSenior
Salary not disclosed
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Job Details

Languages
English
Experience
5+ years
Required Skills
AWSNode.jsPythonKubernetesMongoDBTypeScriptCI/CDDistributed Systems

Requirements

  • BA/BS degree or equivalent experience.
  • Business-level fluency to read, write and speak in English.
  • 5+ years of experience building and operating backend systems in production, ideally in scalable, multi-tenant SaaS.
  • Depth in distributed systems: concurrency, asynchronous and eventually-consistent processing, queues or streaming, and designing for failure.
  • Strong in Python and/or TypeScript/Node.js.
  • Comfortable modeling data in MongoDB or a comparable database.
  • Hands-on with cloud infrastructure and DevOps: AWS, containers, Kubernetes, CI/CD, and observability.
  • Experience communicating trade-offs to meet both technical and business goals.
  • Proactive embrace of AI and building fluency in emerging technologies.

Responsibilities

  • Design, build, and operate the distributed backend systems behind our recommendations pipeline and our AI workflow execution engine, primarily in Python and TypeScript/Node.js.
  • Own and harden the infrastructure our products run on, including our AI workflow platform on AWS and Kubernetes: improving reliability, observability, and scalability.
  • Strengthen how our systems handle failure: eventing and streaming, retries, backpressure, and recovery.
  • Reduce single points of failure across our infrastructure and share operational and on-call ownership.
  • Design clean service and API boundaries, and write and optimize the MongoDB data models and queries that power recommendations.
  • Leverage state-of-the-art AI tooling to increase your impact, and help the team build reliable systems on top of non-deterministic, LLM-backed components.
  • Partner with product engineers, PMs, and designers to ship end-to-end, and raise the bar on tested, observable, maintainable code and thoughtful design docs.
  • Mentor engineers across the team on backend and reliability practices.
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