TRCI-26-05729
German Language Quality & LLM Prompt Optimization Specialist (Localization)
Contract role (France/Germany) focused on improving German localization quality produced by an LLM. The consultant will refine system prompts, analyze rejected translations to separate linguistic preference from systemic hallucinations, and run quality auditing using metrics like HED, Error Density, and MQM. They will curate and maintain localization assets (glossaries, style guides, gold datasets) and collaborate with localization and regional teams to ensure consistent terminology and brand voice while transitioning from manual review to exception-based auditing.
Position summary
- Location
- France, Germany
- Workplace
- Remote
- Employment
- Contract
- Experience
- Minimum 5 years and Maximum 7 years
Role overview
Why This Role Matters.
Contract role (France/Germany) focused on improving German localization quality produced by an LLM. The consultant will refine system prompts, analyze rejected translations to separate linguistic preference from systemic hallucinations, and run quality auditing using metrics like HED, Error Density, and MQM. They will curate and maintain localization assets (glossaries, style guides, gold datasets) and collaborate with localization and regional teams to ensure consistent terminology and brand voice while transitioning from manual review to exception-based auditing.
Your Impact
Deliver Enterprise Value
Help organisations solve complex business problems through modern technology, consulting expertise and measurable outcomes.
Collaboration
Work Across Teams
Collaborate with consultants, architects, engineers and client stakeholders throughout the project lifecycle.
Growth
Learn Continuously
Gain exposure to enterprise technologies, certifications, mentoring and real-world project experience.
Career Path
Grow With Ubique
Build a long-term consulting career with opportunities to take on greater responsibility and leadership over time.
Responsibilities
What You'll Be Doing.
Every role at Ubique contributes directly to solving meaningful business challenges for our clients.
Refine system prompts to improve LLM output accuracy, tone, and style.
Identify recurring error patterns and translate them into actionable instructions for the LLM.
Manage the feedback loop between LLM output and desired target language standards.
Perform a deep-dive analysis on rejected translations to distinguish between "linguistic preference" and "systemic LLM hallucination."
Categorize errors by source (e.g., glossary gaps, ambiguity, cultural misalignment) to guide iterative model improvements.
Implement and track key performance indicators (KPIs) such as percentage of words changed (Human Edit Distance, HED), Error Density, and Multidimensional Quality Metrics (MQM) scores.
Drive the transition from 100% manual review to exception-based auditing, focusing on high-risk and high-visibility content.
Conduct quarterly quality health checks to ensure the system maintains parity as it gains autonomy.
Maintain and evolve localized glossaries, style guides, and gold standard datasets to serve as training inputs for the LLM.
Collaborate with the localization lead and Cisco’s regional teams to ensure terminology consistency and brand voice.
Linguistic Expertise: Native-level fluency in German, with high proficiency in English.
Technology stack
Tools & Technologies.
The platforms and technologies you'll use to build modern, enterprise-grade solutions.
LLM
prompt engineering
system prompts
localization
translation quality
MQM
Human Edit Distance
HED
Error Density
hallucination
glossary
style guide
terminology management
gold standard dataset
data curation
exception-based auditing
quality health check
KPI tracking
Requirements
Skills & Experience.
We value curiosity, collaboration and continuous learning. If you don't meet every requirement but believe you can make an impact, we'd still love to hear from you.
Essential
Required Qualifications
Native-level German linguistic expertise
High proficiency in English
Localization/translation quality evaluation
Prompt refinement for LLM output (accuracy, tone, style)
Error Root Cause Analysis (ERCA) on translation issues
Ability to distinguish linguistic preference vs LLM hallucination/systemic errors
Quality metrics tracking: Human Edit Distance (HED), Error Density, MQM
Exception-based auditing / risk-based sampling approach
Glossary and style guide management for localization
Analytical mindset: identifying recurring/systemic patterns
Preferred
Nice to Have
Data annotation experience
Building/maintaining gold standard datasets for training/evaluation
Strategic planning for automation and quality parity over time
Experience evolving from translator to language system/process architect
Cross-functional collaboration with regional teams and localization leads
Quarterly quality health checks / governance cadence
What you'll gain
More Than Just A Job.
We're committed to helping every team member grow professionally, personally and technically while working on meaningful projects.
Global Exposure
Collaborate with international clients and multicultural teams on enterprise programmes.
Continuous Learning
Expand your expertise through mentoring, certifications and hands-on project experience.
Career Growth
Take ownership, develop leadership skills and grow your consulting career over time.
Flexible Working
Hybrid and remote collaboration designed around trust and delivering exceptional outcomes.
People First
Join a supportive culture where collaboration, respect and long-term relationships come first.
Enterprise Projects
Work on meaningful technology initiatives for leading organisations across industries.
Apply
Apply for German Language Quality & LLM Prompt Optimization Specialist (Localization)
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