KeyStep

Senior Software Engineer (Agent Engineer) - AI Code Gen

Datadog
Paris, France
6 days ago
full-time

Skills & Technologies

PythonJavaGoBackendDatadogMachine LearningLLMGenerative AIMakeAILarge Language ModelsResearch

Job Description

We’re a new team building AI-assisted tools to make Datadog developers more effective, by autonomously generating tests, fixing bugs, and improving performance.

We’re looking for a product-minded generalist to help us quickly define and ship products that make all Datadog customers 10x developers.

At Datadog, we place value in our office culture - the relationships and collaboration it builds and the creativity it brings to the table. We operate as a hybrid workplace to ensure our Datadogs can create a work-life harmony that best fits them.

What You’ll Do

Work closely with our users, designers, PMs, and data scientists on cutting edge and delightful LLM-based agents.

Work on prompts, evals, and agent tools for working with code, and on the engineering to productionize these systems and integrate them with Datadog products.

Prototype and see what works well in the real world, iterate closely with our users, and then ship.

Follow the latest research on LLM prompting, agents, and code editing.

Work with other Datadog teams to expand capabilities, for example integrating with the Datadog IDE extensions to deliver a CoPilot-like assistant, or Dynamic Instrumentation to collect more runtime data from production and pre-production environments.

Who You Are

You’re a backend engineer with at least 5 years of professional experience (Go, Java, Python) who values code simplicity and performance. You’ve shipped software that uses LLMs to production.

You are passionate about Generative AI and its ability to help software engineers be more productive.

You have relevant experience with Large Language Models, large-scale systems and data sets, machine learning, or adjacent fields.

You are a great community ambassador and can drive hard technical conversations towards a pragmatic solution.

You want to work in a fast, high-growth startup environment that respects its engineers and customers.

You have experience writing developer tools (such as IDEs, static code analy

Company & Role Analysis

JobSeeker+
Likely perks
Private MedicalPension25+ Days HolidayStock OptionsLearning BudgetFlexible Hours
Culture & working style

Neutral 2–4 sentence summary of what working at this company is like, drawn from public reviews and press coverage. Tone, collaboration style, pace, benefits highlights.

Market salary range

£45,000 – £60,000 (Glassdoor, Levels.fyi, 2025)

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