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Aliansyah A.

Aliansyah A.

AI & Machine Learning Engineer · Junior

Indonesia · Rate on request

Professional Overview

Informatics Engineering graduate with 6 months of AI training and data annotation experience at DataAnnotation.tech. Experienced in evaluating AI outputs, following detailed guidelines, and identifying errors. Skilled in Python, NLP, linguistics, and generative AI, with academic research using OpenAI Whisper for English speech evaluation.

Experience

Company
Dataannotation.tech
Feb 2026 – Jul 2026
Role title
Bilingual AI Traininer & Data Annotation Specialist

AI Expertise

AI & Machine Learning Engineers NLP & Prompt Engineering

Skills

Prompt Engineering Reinforcement Learning

Employment Type

Freelance

Description of Responsibilities

  • Evaluated AI-generated responses for accuracy, relevance, and adherence to task
  • Annotated and reviewed data used to improve AI model performance and response
  • Identified errors, inconsistencies, and edge cases in AI-generated content.
  • Applied detailed evaluation criteria consistently across diverse AI training tas
  • Maintained high-quality annotations while working independently

Key Achievements / KPIs

  • Completed AI training and evaluation tasks while maintaining consistent quality
  • Developed practical experience evaluating generative AI outputs against detailed
  • Consistently applied complex task guidelines to support reliable
Company
Dataannotation.tech
Feb 2026 – Jul 2026
Role title
Bilingual AI Traininer & Data Annotation Specialist

AI Expertise

AI & Machine Learning Engineers NLP & Prompt Engineering

Skills

Prompt Engineering Reinforcement Learning

Employment Type

Freelance

Description of Responsibilities

  • Evaluated AI-generated responses for accuracy, relevance, and adherence to task
  • Annotated and reviewed data used to improve AI model performance and response
  • Identified errors, inconsistencies, and edge cases in AI-generated content.
  • Applied detailed evaluation criteria consistently across diverse AI training tas
  • Maintained high-quality annotations while working independently

Key Achievements / KPIs

  • Completed AI training and evaluation tasks while maintaining consistent quality
  • Developed practical experience evaluating generative AI outputs against detailed
  • Consistently applied complex task guidelines to support reliable

Education

School
Syarif Hidayatullah State Islamic University Jakarta
Aug 2026 – Dec 2025
Degree / Program
Bachelor of Computer Science

Field of Study: Machine Learning, Artificial intelligence

Areas of Expertise

AI & Machine Learning Engineers

Design, train, and ship production ML models — from data pipelines to model inference at scale. Covers supervised learning, neural networks, LLM integration, and model optimisation.

Data Science & Analytics

Extract business insights from raw data using statistical modelling, predictive analytics, A/B testing, and interactive dashboards.

NLP & Prompt Engineering

Build natural language processing systems, fine-tune large language models, and craft reliable production prompts for AI-powered products.

Open to

Full-time Freelance Part-time Contract Contract-to-hire

Skills

Prompt Engineering Reinforcement Learning Python SQL

Experience Level

Junior

Current location

Indonesia

Time Zone

Jakarta UTC+7

Primary Work Language

English

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