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Marcus S.

Marcus S.

Senior Software Engineer | Full-Stack, Backend & AI Applications

Brazil flagSalvador, Brazil

Key Skills

Software

No software listed

Top Subject Matter

Software Engineering
Full-Stack Development
Backend Systems

Top Data Types

TextText
Computer Code ProgrammingComputer Code Programming
DocumentDocument

Top Task Types

ClassificationClassification
Text GenerationText Generation
Computer Programming/CodingComputer Programming/Coding
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Audio RecordingAudio Recording
TranscriptionTranscription

Freelancer Overview

I have experience working with large datasets, data validation, quality checks and process automation. My role has involved ensuring data accuracy, building tools to streamline workflows and supporting teams that rely on high-quality data for reporting, analytics and product features.

Labeling Experience

I have experience with data labeling, data validation and quality assurance, including reviewing and organizing datasets

I have experience with data labeling, data validation and quality assurance, including reviewing and organizing datasets to ensure accuracy and consistency.

Not specified

Education

B

Bachelor's Degree in Computer Science, Federal University of Bahia (UFBA) (2013–2016)

Degree not specified

Not specified
Not specified

Work History

C

Company not specified

Senior Software Engineer | BetterEngineer | Apr 2022 – May 2026 Designed and developed scalable full-stack and backend a

Location not specified
2022 - 2026