Skip to content

Senior Backend Engineer

Builds and scales backend features for AI/LLM-native applications using Python, Node.js, Kubernetes, and related tools. Requires 4+ years experience shipping products from prototype to production at scale, with customer iteration.

About the job

Responsibilities

  • Build out new features and scale backend capabilities focused on core APIs.
  • Backend stack: Python, Node.js, Kubernetes, Terraform, Postgres, Temporal.
  • Work closely with prospects and customers to build production solutions.

Qualifications

  • 4+ years experience shipping completely new product features from prototype to production serving end users.
  • Experience shipping or interest in AI/LLM-native applications.
  • Rapid iteration with customers or engineers; translate user feedback into features and proactive discovery.
  • Help jointly develop and iterate on product roadmap for core features.
  • Shipped applications at scale.

Skills

Python, Node.js, Kubernetes, Terraform, Postgres, Temporal, AI, LLMs, APIs

Maybern

Maybern

New York, NY

Senior Software Engineer, Platform
$180k+/yrOn-site5+ YOEBackend Engineering

Senior software engineer building core platform components, developer tools, and reliability capabilities that improve engineering productivity. Requires 4+ years of software engineering experience, cloud or platform exposure, and strong knowledge of databases, distributed systems, observability, and production reliability.

Cantina

Cantina

Sunnyvale, CA
Media Software Engineer, Speech
$180k+/yrHybrid7+ YOEBackend Engineering

Build and optimize high-performance, real-time speech, audio, video, and WebRTC infrastructure for conversational AI across mobile and web platforms. The role requires professional C or C++ experience, concurrent systems knowledge, and at least three years of software engineering experience.

Duolingo

Duolingo

Pittsburgh, PA

Senior Software Engineer, Backend
$183k+/yrOn-site5+ YOEBackend Engineering

Build and operate reliable, scalable backend services and infrastructure for Duolingo’s advertising business. The role requires strong backend fundamentals, systems thinking, programming experience in Java, Python, or Kotlin, and a bachelor’s degree in a technical field.

Duolingo

Duolingo

New York, NY
Senior Software Engineer, Backend
$183k+/yrOn-site5+ YOEBackend Engineering

Build and operate reliable, scalable backend services or infrastructure for Duolingo products, owning complex projects from design through production. The role requires strong backend fundamentals, a bachelor’s degree, and experience with Java, Python, or Kotlin and database technologies.

Temporal

Temporal

United States

Senior Software Engineer, Cloud Growth
$176k+/yrRemote5+ YOEBackend Engineering

Senior software engineer responsible for revenue-critical backend systems spanning account lifecycle management, metering, billing, integrations, and customer-facing usage transparency. The role requires strong distributed-systems experience, Go or comparable backend expertise, and operational ownership.