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Preston Osoro

Preston Osoro

Software Engineer in Contract Review, Compliance, and Legal Research

Kenya flagNairobi, Kenya
$65.00/hrIntermediate

Key Skills

Software

No software listed

Top Subject Matter

Legal Services & Contract Review
Regulatory Compliance & Risk Analysis
Legal Research & Document Analysis

Top Data Types

Computer Code ProgrammingComputer Code Programming
TextText
DocumentDocument

Top Task Types

Computer Programming Coding
Prompt Response Writing SFT
Evaluation Rating
Fine Tuning

Freelancer Overview

Software Engineer in Contract Review, Compliance, and Legal Research. Brings 4+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Education includes Bachelor of Science, University of Eldoret (2019). Well suited for text-focused AI training, including legal document review, compliance annotation, and rubric-based quality evaluation.

IntermediateEnglish

Labeling Experience

AI Coding Evaluation Dataset & Benchmark Task Development

Computer Code ProgrammingComputer Programming Coding
Designed and developed structured evaluation tasks used to benchmark large language models (LLMs) on real-world software engineering problems. The work involved creating containerized coding environments, writing reproducible tasks, and implementing automated evaluation pipelines. Key responsibilities included: Designing complex software engineering tasks simulating real production issues. Building isolated Docker-based environments for task reproducibility. Writing unit and integration tests to validate model-generated code. Creating task specifications and evaluation scripts used to measure model performance. Structuring datasets similar to SWE-bench style benchmarks used for testing autonomous coding agents. Ensuring high-quality evaluation through deterministic tests, edge case coverage, and reproducible execution environments. Project scale included the creation of multiple independent tasks covering backend development, debugging scenarios, and system-level engineering challenges.

Designed and developed structured evaluation tasks used to benchmark large language models (LLMs) on real-world software engineering problems. The work involved creating containerized coding environments, writing reproducible tasks, and implementing automated evaluation pipelines. Key responsibilities included: Designing complex software engineering tasks simulating real production issues. Building isolated Docker-based environments for task reproducibility. Writing unit and integration tests to validate model-generated code. Creating task specifications and evaluation scripts used to measure model performance. Structuring datasets similar to SWE-bench style benchmarks used for testing autonomous coding agents. Ensuring high-quality evaluation through deterministic tests, edge case coverage, and reproducible execution environments. Project scale included the creation of multiple independent tasks covering backend development, debugging scenarios, and system-level engineering challenges.

2025 - Present

Education

U

University of Eldoret

Bachelor of Science, Sustainable Energy and Climate Change Systems

Bachelor of Science
2019 - 2019

Work History

A

AfterQuery

Software Engineer

Nairobi
2025 - Present
F

freeCodeCamp

Technical Writer

Nairobi
2024 - Present