AI role · Open offer

Senior NLP Engineer — translation AI

DeepL

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At a glance

How you'll work, where, and key listing dates.

Employment: Full-time
Workplace: Hybrid
Location: Maarweg 165, 50825 Cologne, Germany · Hybrid
Compensation: EUR 88k–120k/year
Experience level: Senior
Team: NLP
Benefits & perks

About this role

What the team is looking for and how this position fits.

DeepL sets the bar for machine translation quality with research and product teams in Cologne.

Improve neural MT and LLM-assisted translation with rigorous quality metrics.

What you will do

Ship production NLP and machine translation with offline evals, monitoring, and safe rollout.
Work with product and domain experts on requirements and trade-offs.
Improve data pipelines, labeling, and metrics tied to business KPIs.
Document runbooks for on-call and customer-facing teams.

What we look for

Strong Python and modern ML/LLM stack with shipped features.
SQL, experimentation, and clear communication to stakeholders.
Eligible to work in the listed country; professional English required.

Skills we're hiring for

Core capabilities—LLMs, automation, analytics, product, or domain expertise.

PythonPyTorchTransformers

Tools & stack

Platforms and products mentioned for this role (APIs, IDEs, vector DBs, CRMs, design tools, etc.).

Docker

You're a strong fit if…

You've shipped real work with AI—not only experimented in isolation.
Several listed skills or tools show up in your recent projects.
You can explain trade-offs (quality, cost, latency, safety) in plain language.

Apply

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What the employer asked for

MT, LLM, or quality estimation with BLEU/chrF++ improvements.

Register, add a headline and bio, then you can attach a CV link or PDF on My account before you apply. That keeps applications tied to your profile and makes it easier for employers to review your background.

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