Geoffrey O.

Key Skills

Software

Appen

Clickworker

CrowdSource

Data Annotation Tech

Datatroniq

Deep Systems

Encord

Google Cloud Vertex AI

Humanatic

iMerit

Labelbox

LabelImg

Lionbridge

Micro1

Mighty AI

Mindrift

OneForma

Remotasks

Roboflow

Scale AI

SuperAnnotate

Surge AI

Toloka

Telus

Top Subject Matter

AI system testing and prompt-injection/red-team evaluation for secure distributed platforms

Secure AI/system testing and red-teaming evaluation

Top Data Types

Text

Computer Code Programming

Video

Top Task Types

Bounding Box

Polygon

Segmentation

Classification

Entity (NER) Classification

Freelancer Overview

Software Engineer – Epic Systems (AI/security evaluation through automated testing and red-teaming). Brings 7+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Science, University of California (2011). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Labeling Experience

Software Engineer – QOC Innovations (AI/security evaluation through automated testing and red-teaming)

Text

• Built automated testing pipelines to improve reliability and vulnerability detection, including security-focused evaluation of system behaviors. • Led internal red-teaming projects to strengthen platform security by probing for weaknesses such as prompt-injection-style attacks. • Produced technical documentation for mitigation and system hardening based on red-team and testing findings. • Implemented or orchestrated evaluation pipelines to support vulnerability detection. • Conducted structured red-team exercises to test defenses and identify exploitable behaviors. • Documented mitigation steps and hardened configurations informed by results. • Supported ongoing security validation efforts for platform robustness.

2024 - Present

Software Engineer – Epic Systems (AI/security evaluation through automated testing and red-teaming)

Text

• Built automated testing pipelines intended to validate model or system behaviors using AI/security risk checks, which can include evaluating outputs against predefined criteria. • Led red-teaming activities that used structured prompts and responses to probe vulnerabilities such as prompt injection and to assess system robustness. • Produced technical documentation describing mitigations and system hardening steps informed by test and security findings. • Drove reliability-oriented evaluation workflows through CI/CD integration. • Performed audits of server environments to identify operational and security risks affecting automated testing outcomes. • Developed automation tools to reduce manual engineering effort during security evaluation cycles. • Wrote documentation for mitigation strategies derived from testing results.

2020 - 2023

Education

Work History