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1–2 jobs· newest first

Staff Research Scientist - Post-Training for Observability Native ModelsNew
Datadog · Paris, France
Hybrid · Full-time · Staff
Quantitative Researcher, Optimisation
Relay Technologies · London, United Kingdom
Hybrid

+10K new in the last hour

Staff Research Scientist - Post-Training for Observability Native Models

Datadog · Posted Nov 13, 2026

Paris, Île-de-France, France
Hybrid
Full-time · Staff

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AI

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Drive work on fundamental research in post-training and multimodal observability-native decision models as a hands-on individual contributor.

Responsibilities

Drive post-training research for multimodal decision models and hybrid decision/generative systems to address ambitious research challenges in observability and security
Own research problems end to end, from framing the question through experimentation, model development, and evaluation
Design and advance post-training methods and training loops for models operating in complex environments
Build simulated environments, synthetic data generation approaches, and evaluation frameworks that enable scalable model training and rigorous measurement
Collaborate with cross-functional teams across Research, Product, and Engineering to translate research advances into scalable Datadog capabilities

Requirements

PhD in Computer Science, Machine Learning, or a related field

Skills

AI agents decision models post-training generative modeling

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Quantitative Researcher, Optimisation

Relay Technologies · Posted Nov 9, 2026

London, England, United Kingdom
Hybrid

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Lead optimisation for Relay's last mile, making the best routing, pricing and scheduling decisions for couriers and the wider network.

Responsibilities

Lead optimisation for Relay's last mile, making the best routing, pricing and scheduling decisions for couriers and the wider network.
Model and optimise the decisions that define our last-mile delivery network and marketplace.
Develop our solvers and algorithms so they perform live, and at scale.
Partner with other Scientists to unite ML and recommender systems with Operational Research.
Raise the standard for Operational Research at Relay, and grow the team, the research culture and our voice in the tech community.

Requirements

PhD in operational research or advanced quantitative discipline

Skills

operational research optimisation machine learning recommender systems algorithms decision models

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