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Couch Lilas

Couch Lilas

AI Engineer . Web Designer . Software & Mobile Developer

NIGERIA flag
Remote & Germany, Nigeria
$200.00/hrExpertLabelboxLabel StudioSuperannotate

Key Skills

Software

LabelboxLabelbox
Label StudioLabel Studio
SuperAnnotateSuperAnnotate

Top Subject Matter

Conversational AI
Fintech
Enterprise Sales Chatbots

Top Data Types

TextText
AudioAudio

Top Task Types

Entity Ner Classification
Transcription
Text Generation

Freelancer Overview

Senior NLP / Conversational AI Engineer — Data Labeling for NLU. Brings 9+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Rasa, Internal, and Proprietary Tooling. Education includes Master of Science, Technical University of Munich (TUM) (2018) and Bachelor of Science, RWTH Aachen University (2016). AI-training focus includes data types such as Text and Audio and labeling workflows including Entity (NER) Classification, Transcription, and Text Generation.

ExpertEnglish

Labeling Experience

Lead AI Engineer — Audio Transcription & Sentiment Labeling

AudioTranscription
As Lead AI Engineer, I engineered labeling pipelines for audio transcription and sentiment analysis within cloud voice calling systems. My responsibilities included organizing and overseeing the manual and AI-assisted transcription of large volumes of sales call recordings. I ensured consistent, high-quality annotation standards for both transcription and sentiment/emotion labeling tasks. • Developed and maintained protocols for annotating and transcribing audio data. • Managed workflows for labeling sentiment and emotion recognition from call data. • Integrated transcription datasets into CRM and AI coaching tools. • Ensured quality control and accuracy of labeled audio datasets.

As Lead AI Engineer, I engineered labeling pipelines for audio transcription and sentiment analysis within cloud voice calling systems. My responsibilities included organizing and overseeing the manual and AI-assisted transcription of large volumes of sales call recordings. I ensured consistent, high-quality annotation standards for both transcription and sentiment/emotion labeling tasks. • Developed and maintained protocols for annotating and transcribing audio data. • Managed workflows for labeling sentiment and emotion recognition from call data. • Integrated transcription datasets into CRM and AI coaching tools. • Ensured quality control and accuracy of labeled audio datasets.

2023 - Present

Senior NLP / Conversational AI Engineer — Data Labeling for NLU

TextEntity Ner Classification
As Senior NLP / Conversational AI Engineer, I led conversational AI projects with an emphasis on labeled data for intent classification and entity extraction. I developed NLU datasets and annotation schemas to support multi-step dialogue flows and enterprise chatbot training. My work integrated labeled data pipelines with Salesforce/HubSpot APIs for automated CRM handoff and involved mentoring on labeling best practices. • Labeled and annotated diverse textual data for multi-intent and entity recognition in chatbots. • Designed annotation schemes for conversational data supporting NLU in Rasa. • Oversaw manual and semi-automated data labeling for intent and entity roles. • Conducted quality review and feedback cycles for labeled datasets.

As Senior NLP / Conversational AI Engineer, I led conversational AI projects with an emphasis on labeled data for intent classification and entity extraction. I developed NLU datasets and annotation schemas to support multi-step dialogue flows and enterprise chatbot training. My work integrated labeled data pipelines with Salesforce/HubSpot APIs for automated CRM handoff and involved mentoring on labeling best practices. • Labeled and annotated diverse textual data for multi-intent and entity recognition in chatbots. • Designed annotation schemes for conversational data supporting NLU in Rasa. • Oversaw manual and semi-automated data labeling for intent and entity roles. • Conducted quality review and feedback cycles for labeled datasets.

2020 - 2022

Research Exchange — AI Training Data Generation and Curation

TextText Generation
During my research exchange at KIT's Voice AI & HCI Lab, I contributed to AI training data for multi-modal dialogue agents and real-time speech interfaces. My tasks encompassed writing and curating text dialogue prompts for chatbot and voice agent experiments. The experience emphasized generating diverse and realistic conversations for model fine-tuning and testing. • Authored and structured text prompts for AI conversation modeling. • Annotated interactions for emotion, intent, and clarity in user utterances. • Organized datasets for 3D avatar and speech synthesis training. • Ensured data quality for clinical assistant system research.

During my research exchange at KIT's Voice AI & HCI Lab, I contributed to AI training data for multi-modal dialogue agents and real-time speech interfaces. My tasks encompassed writing and curating text dialogue prompts for chatbot and voice agent experiments. The experience emphasized generating diverse and realistic conversations for model fine-tuning and testing. • Authored and structured text prompts for AI conversation modeling. • Annotated interactions for emotion, intent, and clarity in user utterances. • Organized datasets for 3D avatar and speech synthesis training. • Ensured data quality for clinical assistant system research.

2017 - 2017

Education

H

Hochschule fur Gestaltung (HfG) Offenbach

Certificate, User Experience Design and Digital Communication

Certificate
2019 - 2020
T

Technical University of Munich (TUM)

Master of Science, Artificial Intelligence and Robotics

Master of Science
2016 - 2018

Work History

I

Independent Studio

Lead AI Engineer & Full-Stack Developer (Freelance)

Remote & Germany
2023 - Present
D

Digital Creative Agency

UI/UX Designer & Frontend Web Developer

Hamburg
2021 - 2023