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Daniel Lixandru

Daniel Lixandru

Senior Fullstack Engineer

Romania flagBucharest, Romania
$30.00/hrExpertScale AI

Key Skills

Software

Scale AIScale AI

Top Subject Matter

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

Top Data Types

DocumentDocument
TextText
Computer Code ProgrammingComputer Code Programming

Top Task Types

TranscriptionTranscription
RLHFRLHF
Computer Programming/CodingComputer Programming/Coding

Freelancer Overview

I am an experienced AI trainer and code evaluator with hands-on work across multiple LLM post-training projects at Revelo, one of the leading human data platforms for AI code training. My work spans code quality audits, behavioral data annotation, and LLM output evaluation across domains including DevOps/Infrastructure as Code, databases (MongoDB), and web development. I bring a strong technical background that allows me to assess model-generated code for correctness, reasoning, and alignment with real-world engineering standards. I have contributed to projects involving code generation evaluation, PR writing assessment, specification rubric development, and debugging analysis including both solo and review-based workflows. My ability to work across diverse technical domains and annotation task types makes me a versatile contributor to RLHF pipelines and LLM fine-tuning efforts.

ExpertEnglish

Labeling Experience

Transcript PR writer

Computer Code ProgrammingComputer Programming Coding
This project is focused on reviewing the trajectories of two agentic models trying to solve an issue, looking for behavioral issues and then comparing both responses to determine which one was better.

This project is focused on reviewing the trajectories of two agentic models trying to solve an issue, looking for behavioral issues and then comparing both responses to determine which one was better.

2026 - 2026

Behavioral Data - Debugging Reviewer

Computer Code ProgrammingComputer Programming Coding
The objective is to determine whether the labeler effectively guided the AI through a multi-turn conversation to complete a task, while providing high-quality comparative evaluations between two competing model responses at each interaction. For code review, the goal is to create and evaluate realistic interactions (prompts) focusing on asking for code review and repository structure analysis.

The objective is to determine whether the labeler effectively guided the AI through a multi-turn conversation to complete a task, while providing high-quality comparative evaluations between two competing model responses at each interaction. For code review, the goal is to create and evaluate realistic interactions (prompts) focusing on asking for code review and repository structure analysis.

2026 - 2026

Behavioral Data - Architecture and Strategy

Computer Code ProgrammingComputer Programming Coding
In this project you'll interact* 10+ times with a coding agent that will write two different solutions. Your job is to create realistic prompts and evaluate the responses focused on planning the architecture of a complex system.

In this project you'll interact* 10+ times with a coding agent that will write two different solutions. Your job is to create realistic prompts and evaluate the responses focused on planning the architecture of a complex system.

2026 - 2026

Education

T

Technical University of Cluj-Napoca

Bachelor of Science, Computer Science

Bachelor of Science
2013 - 2017

Work History

F

Futured

Senior Fullstack Engineer

Prague
2022 - 2026
O

Offsiteteam

Full Stack Engineer

Prague
2020 - 2022