Sebastian Lingenfelter - LLM Evaluation Response Specialist

Q: Where is Sebastian based?

Sebastian is based in Munich, Germany .

Q: What languages does Sebastian speak?

Sebastian speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Sebastian have?

Sebastian has at least 9 years of experience. During this time, Sebastian has worked in at least 5 different roles and for 5 different companies . The average length of individual experience is 2 years and 10 months . Note that Sebastian may not have shared all experience and actually has more experience.

Q: What is Sebastian's latest experience?

Sebastian's most recent position is LLM Evaluation Response Specialist at Translated.com .

Q: What companies has Sebastian worked for in recent years?

In recent years, Sebastian has worked for Translated.com , Lionbridge.com , Oneforma.com , janusww.com , and Delta Communication Technologies .

Q: Which industries is Sebastian most experienced in?

Sebastian is most experienced in industries like Information Technology (IT) , Automotive , and Professional Services .

Q: Which business areas is Sebastian most experienced in?

Sebastian is most experienced in business areas like Information Technology (IT) , Audit , and Product Development . Sebastian also has some experience in Quality Assurance (QA) and Research and Development (R&D) .

Q: Which industries has Sebastian worked in recently?

Sebastian has recently worked in industries like Information Technology (IT) , Automotive , and Professional Services .

Q: Which business areas has Sebastian worked in recently?

Sebastian has recently worked in business areas like Information Technology (IT) , Audit , and Product Development .

Recommended expert

Munich, Germany

Experience

Jul 2024 - Present

1 year 8 months

LLM Evaluation Response Specialist

Translated.com

Created and refined technical and compliance-oriented datasets for AI, ensuring high-quality structured documentation.
Conducted supervised fine-tuning (SFT) and RLHF tasks, maintaining strict alignment with industry and security guidelines.
Produced detailed technical reports and feedback for audits and QA teams.
Collaborated with cross-functional teams on documentation strategies for large-scale AI deployments.

May 2024 - Present

1 year 10 months

LLM Evaluation Response Writer

Lionbridge.com

Produced clear, structured technical responses for diverse IT and security-related prompts.
Ensured compliance with documentation standards and company guidelines.
Evaluated AI-generated content for accuracy, coherence, and certification readiness.

Jul 2023 - Present

2 years 8 months

LLM Project Programmer & Evaluation Specialist

Oneforma.com

Designed and documented programming test cases (Python, Java, C++, HTML) for AI evaluation projects.
Developed technical specifications and structured documentation for programming tasks and security validation.
Implemented MLOps best practices for deployment and monitoring, documenting workflows for certification purposes.

Jan 2019 - Present

7 years 2 months

Automotive & Technical Translator

janusww.com

Translated complex technical documentation for luxury and electric vehicle manufacturers.
Localized UI, user manuals, and service guides with focus on compliance, safety, and certification terminology.
Ensured adherence to ISO/IEC terminology standards and performed QA and localization testing for automotive software.

Jan 2017 - Present

9 years 2 months

Cyber Security Specialist

Delta Communication Technologies

Delivered cybersecurity consulting services for enterprise and government clients valued at $5M–$10M.
Authored security assessments, audit documentation, and compliance reports for certification purposes.
Developed cybersecurity training manuals and technical guides for corporate teams and government entities.
Integrated cloud-based security solutions and documented architecture designs for IT audits and compliance.
Applied knowledge of IEC 62443-4-2, Common Criteria (ISO/IEC 15408), BSI IT-Grundschutz, and related security certification standards.

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (9 years), Automotive (7 years), and Professional Services (2 years).

Information Technology

Automotive

Professional Services

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (9 years), Audit (9 years), Product Development (7 years), Quality Assurance (7 years), and Research and Development (1.5 years).

Information Technology

Audit

Product Development

Quality Assurance

Research and Development

Summary

Technical Writer and Cybersecurity Specialist with 7+ years of experience in technical documentation, IT security, and compliance. Skilled in creating and maintaining structured documentation for certification processes (e.g., Common Criteria, BSI IT Baseline, ISO/IEC frameworks). Strong background in cybersecurity consulting, automotive/IT translation, and AI data training. Adept at transforming complex technical and security-critical content into clear, audit-ready documentation aligned with international standards.

Skills

Technical Writing & Documentation: Certification Documentation (Common Criteria, Iec 62443, Bsi It Baseline), Security Target & Toe Docs, Audit-ready Content, Structured Authoring.
Tools: Restructuredtext (Rst), Confluence, Xml Editors, Sdl Trados, Worldserver, Content Management Platforms.
Cybersecurity: Threat Analysis, Penetration Testing, Compliance Frameworks (Iso/iec 15408, Iec 62443, Gdpr).
Programming: Python, Java, C++, Html.
Ai & Data: Prompt Engineering, Ai Response Evaluation, Supervised Fine-tuning, Qa Methodologies.
Cloud Platforms: Aws, Azure, Gcp For Ai/security Deployment.

Languages

German

Native

English

Advanced

Education

Bachelor’s in Translation and Interpretation · Translation and Interpretation

Bachelor’s in Computer Science · Computer Science

Profile

Created

November 2025

Last Update

January 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Sebastian based?

Sebastian is based in Munich, Germany.

What languages does Sebastian speak?

Sebastian speaks the following languages: German (Native), English (Advanced).

How many years of experience does Sebastian have?

Sebastian has at least 9 years of experience. During this time, Sebastian has worked in at least 5 different roles and for 5 different companies. The average length of individual experience is 2 years and 10 months. Note that Sebastian may not have shared all experience and actually has more experience.

What roles would Sebastian be best suited for?

Based on recent experience, Sebastian would be well-suited for roles such as: LLM Evaluation Response Specialist, LLM Evaluation Response Writer, LLM Project Programmer & Evaluation Specialist.

What is Sebastian's latest experience?

Sebastian's most recent position is LLM Evaluation Response Specialist at Translated.com.

What companies has Sebastian worked for in recent years?

In recent years, Sebastian has worked for Translated.com, Lionbridge.com, Oneforma.com, janusww.com, and Delta Communication Technologies.

Which industries is Sebastian most experienced in?

Sebastian is most experienced in industries like Information Technology (IT), Automotive, and Professional Services.

Which business areas is Sebastian most experienced in?

Sebastian is most experienced in business areas like Information Technology (IT), Audit, and Product Development. Sebastian also has some experience in Quality Assurance (QA) and Research and Development (R&D).

Which industries has Sebastian worked in recently?

Sebastian has recently worked in industries like Information Technology (IT), Automotive, and Professional Services.

Which business areas has Sebastian worked in recently?

Sebastian has recently worked in business areas like Information Technology (IT), Audit, and Product Development.

What is Sebastian's education?

Sebastian holds a Bachelor in Translation and Interpretation and a Bachelor in Computer Science.

What is the availability of Sebastian?

Sebastian is immediately available full-time for suitable projects.

What is the rate of Sebastian?

Sebastian's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.