Datadog

Senior Software Engineer – Serving (AI Platform)

Datadog

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8 months ago
Paris, France
Senior / Mid Level
H1B Sponsor

Responsibilities

  • Architect and build systems for serving ML and LLM models across all data centers with strong SLAs, observability, and reliability.
  • Design and optimize Ray-based inference infrastructure to handle both low- and high-throughput workloads.
  • Enable applied scientists to deploy and test models via self-service tools, CI/CD pipelines, and rollback mechanisms.
  • Implement A/B testing and shadow deployment capabilities to evaluate new model versions in production.
  • Collaborate with platform teams to improve GPU provisioning, traffic routing, and runtime performance.
  • Instrument inference workflows with rich telemetry to drive performance and safety analysis.

Requirements

  • 6+ years of backend or infrastructure engineering experience, including 2+ years working on ML/AI platforms.
  • Experience building distributed systems, ideally in model serving, real-time inference, or large-scale APIs.
  • Proficient in Python, Go, or another systems language with an understanding of performance tuning in high-throughput environments.
  • Familiar with Ray or other inference-serving frameworks like TorchServe, Triton, or BentoML.
  • Experience with GPUs and knowledge of building infrastructure that supports heterogeneous compute workloads.
  • Bonus points for experience with AI observability, rollback strategies, or in-house deployment proxies.

Benefits

  • New hire stock equity (RSUs) and employee stock purchase plan (ESPP).
  • Continuous professional development, product training, and career pathing.
  • Intradepartmental mentor and buddy program for in-house networking.
  • An inclusive company culture with the ability to join Community Guilds.
  • Access to Inclusion Talks, internal panel discussions.
  • Free, global mental health benefits for employees and dependents age 6+.
  • Competitive global benefits.

Tech Stack

GoPython

Categories

AI & MLBackend