paul mwamburi

Data Annotator

Ajira Digital

Jan 2025 - Dec 2025 (1 year)

J

Data Integrity Analyst

Jitume

Feb 2024 - Aug 2025 (1 year 7 months)

As a Data Integrity Analyst, I performed due diligence on annotated datasets and AI-generated outputs by verifying accuracy, consistency, and compliance with project guidelines. I cross-checked data, identified discrepancies, and ensured that high-quality standards were maintained. Additionally, I conducted structured validation and quality assurance processes to support reliable AI training data and minimize errors. My experience also included leveraging platforms and dashboards often built with TypeScript frameworks to ensure the accuracy and consistency of enterprise data. This exposure to scalable, TypeScript-powered applications enhanced my structured problem-solving and integration skills, which are relevant to the development of robu

Microsoft & google workspace

HP

Feb 2024 - Mar 2025 (1 year 2 months)

Managed enterprise-level Microsoft and Google Workspace solutions, ensuring seamless integration and functionality across platforms. Collaborated closely with developers to build extensions and dashboards utilizing TypeScript frameworks, which provided valuable exposure to scalable applications and reinforced my structured problem-solving skills. This experience, while not directly focused on TypeScript development, enhanced my understanding of integration processes and the importance of effective collaboration in software projects. Additionally, I delivered structured training and onboarding sessions for Microsoft & Google Workspace tools, often supported by recorded tutorials and video walkthroughs. This aspect of my role required skills

Al Trainer & LLM Specialist - Domain Expert

TELUS International AI Data Solutions

Jan 2024 - Current (2 years 5 months)

As an AI Trainer & LLM Specialist - Domain Expert, I engineer authoritative domain-specific prompts and annotation tasks across various technology domains, including AI, ML, NLP, Data Science, Computer Vision, Software Engineering, and Web Development. My role involves producing expert-level training content that challenges frontier model reasoning, ensuring it meets the highest standards of specialist knowledge. I evaluate over 300 AI-generated outputs monthly for factual accuracy, reasoning quality, safety compliance, bias presence, tone alignment, and domain correctness, applying structured RLHF rubrics and preference ranking methodology to achieve a first-submission accuracy rate of 95-98%. Additionally, I perform expert-level PII detec

Python LLM

Mercor

Jan 2024 - Dec 2025 (2 years)

As a Python LLM contributor at Mercor, I operated in a highly dynamic environment that required applying a generalist skill set across multiple stages of AI model evaluation and improvement. I worked beyond a single function—engaging in prompt testing, systematic evaluation of AI-generated outputs, and identifying nuanced issues such as factual inaccuracies, logical inconsistencies, and contextual gaps. My contributions included refining outputs to meet quality and usability standards, which necessitated both analytical depth and adaptability. The nature of working with large language models meant constantly shifting across different domains, tasks, and data types, from structured validation to open-ended text analysis. This breadth of resp

Data Annotation & AI Training Specialist

Mindrift

May 2023 - Dec 2025 (2 years 8 months)

As a Data Annotation & AI Training Specialist, I was responsible for developing and refining data annotation processes to enhance AI model training. My role involved conducting thorough data analysis to ensure high-quality inputs for machine learning algorithms, which significantly improved model accuracy. I collaborated on AI annotation and training workflows utilizing platforms and tools built with TypeScript-based frameworks, gaining valuable exposure to scalable, data-intensive applications. This experience not only reinforced my structured problem-solving and collaboration skills but also provided insights into TypeScript development practices, which are essential for optimizing AI workflows.

U

Investment Analyst

University of Nairobi University of Nairobi

Jan 2023 - Dec 2023 (1 year)

Conducted in-depth investment analysis across equity and fixed-income markets. Built valuation models, assessed risk-return profiles, and provided actionable recommendations that improved portfolio performance by 15%. Collaborated with senior analysts to prepare reports for institutional clients.

M

LLM Specialist & AI Annotation Expert

Mindrift (Outlier AI Partner)

Jan 2023 - Dec 2023 (1 year)

As an LLM Specialist & AI Annotation Expert, I contributed specialist expertise across prompt writing, AI content evaluation, RLHF content ranking & scoring, fact-checking, and safety & bias detection, generating authoritative training prompts and evaluating AI outputs with 98% QA compliance across all assigned projects. I identified and documented 50+ AI model failure points per project cycle, including factual errors, reasoning failures, safety violations, bias patterns, hallucinations, PII leakage, and annotation quality gaps, producing structured reports that improved rubric quality and model accuracy benchmarks. Additionally, I delivered expert creative writing, instructional writing, genre & style adaptation, precision & consistency r

Data Analyst & Financial Modeling Associate

Micro1

Aug 2022 - Dec 2024 (2 years 5 months)

Developed and applied financial models to analyze data, identify trends, and support decision-making. Worked with structured datasets to perform projections, scenario analysis, and data-driven evaluations. Utilized analytical techniques to assess performance, optimize outcomes, and present clear, actionable insights.

P

Software Engineering & AI Research Trainee

Power Learn Project (PLP)

May 2022 - Dec 2022 (8 months)

As a Software Engineering & AI Research Trainee, I developed applied competency across Python, web development (HTML, CSS, JavaScript, React), REST API integration, SQL databases, data structures, software engineering principles, and system design—building the full-stack technical foundation that underpins expert annotation across all AI training project domains. In this role, I embraced a generalist skill set by engaging in various aspects of AI development, data analysis, and system improvement. My responsibilities included data preparation, analysis of model behavior, and research into AI methodologies, which required adaptability and the ability to contribute across diverse domains. I participated in evaluating model outputs, identifyin

Language, Data & Annotation Specialist

CloudFactory

Jan 2022 - Dec 2022 (1 year)

As a Language, Data & Annotation Specialist, I applied specialist expertise in linguistic QA, content taxonomy & tagging, document quality annotation, NER handling, PII detection, audio transcription review, and speaker identification labeling to evaluate training datasets, significantly improving NLP and AI model training data accuracy across multiple annotation modalities. I maintained strict quality thresholds, annotation schema consistency, inter-annotator agreement standards, and turnaround benchmarks across high-volume tasks, demonstrating the reliability and specialist consistency required in per-output, independent contractor annotation roles. In addition to my core responsibilities, I leveraged my generalist capabilities to navig

G

Investment Banking Analyst

Global Finance Partners

Jul 2021 - Dec 2023 (2 years 6 months)

Supported deal execution in mergers and acquisitions, equity offerings, and debt financing. Built complex financial models, conducted company valuations, and prepared pitch books for client presentations. Collaborated with senior bankers to deliver strategic advisory services, contributing to transactions valued at over $200M.

S

Senior TypeScript Developer

Sabirecruit / AI Training Solutions Project

Mar 2021 - Dec 2025 (4 years 10 months)

Architected and implemented robust TypeScript applications supporting AI training workflows. Designed scalable modules, optimized performance, and ensured reliability across distributed systems. Collaborated with cross-functional teams to deliver production-ready solutions, conducted code reviews, and mentored junior developers.

C

Full-Stack Engineer (TypeScript Focus)

Cloud-based SaaS Startup

Feb 2020 - May 2023 (3 years 4 months)

ed the development of TypeScript-based applications for SaaS platforms. Built and maintained APIs, integrated front-end and back-end systems, and applied best practices in clean, maintainable code. Delivered scalable solutions that supported thousands of concurrent users.

Image Annotator

Handshake

Jan 2019 - Aug 2021 (2 years 8 months)

As an Image Annotator, I was responsible for accurately labeling and validating images to support AI training initiatives. My role involved not only visual annotation but also the application of text analysis skills, particularly in interpreting labeling guidelines, metadata, and contextual descriptions. I regularly analyzed written instructions and labeling criteria to ensure that annotations were consistent with textual definitions and project requirements. This required careful reading and understanding of context, as well as applying consistent judgment based on established written standards—key components of effective text analysis. Additionally, I conducted thorough reviews of annotation outputs and associated text labels for accuracy

About

Detail

Timeline

Résumé