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Ali (William) Mousawi-Swedish AI Annotation and Evaluation Specialist | LLM / RLHF Quality

Ali Mousawi
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Available
Malmö, Sweden

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Experience

May 2026 - Jul 2026

Swedish Language and Culture Expert

Welocalize

Position Summary
Swedish Language and Culture Expert at Welocalize
Industries
Information Technology
Business Areas
Quality Assurance
  • Evaluated AI-generated Swedish responses for linguistic quality, naturalness and cultural appropriateness against client-provided annotation guidelines.
  • Documented each language flaw with a precise citation from the source text and a corrected version, verifying every finding verbatim against the raw text before submission.
  • Maintained scoring consistency across batches by tracking accumulated QA calibration guidance and applying it systematically to later work.
  • Held scoring discipline under pressure to differentiate: declined to flag issues that did not meet the guideline definition of a language flaw, prioritizing calibration accuracy over forced variance.
  • Sustained full weekly task quotas throughout the engagement while meeting quality review standards.
Nov 2025 - Nov 2025

Open source contributor

Activepieces

Position Summary
Open source contributor at Activepieces
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Merged work on Activepieces (Oracle Fusion ERP and Klaviyo V3 integrations, platform serving 10,000+ users), Coder.com (Terraform and PowerShell infrastructure module) and Screenpipe (LLM extraction pipeline); cross-platform Rust and whisper.cpp build fixes across Windows, Linux and macOS.
Mar 2025 - Apr 2025
Remote

Swedish Transcriber

Sigma AI

  • Swedish audio-to-text transcription, plus editing, correction and review passes on existing transcripts.
Feb 2025 - Jul 2025
Malmö, Sweden

Freelance Translator and Certification Track

OneForma

Position Summary
Freelance Translator and Certification Track at OneForma
Industries
Information Technology
Business Areas
Information Technology
Quality Assurance
Research and Development
  • Delivered freelance translation and localization projects for platform clients.
  • Completed the full platform certification track, passing every certification at the required 80% minimum: General LLM Evaluation, Prompt Engineering (Cherry Opal), Harmful Content Conformity and Amazon Annotation, alongside localization and fact-checking disciplines.
Feb 2025 - Apr 2025
Remote

Freelance Translator

Confidential Client

Position Summary
Freelance Translator at Confidential Client
Industries
Professional Services
  • Swedish translation and web content localization.
Jan 2025 - Present

Founder and Lead AI Engineer

JNVAH

Position Summary
Founder and Lead AI Engineer at JNVAH
Industries
Aerospace and Defense
Information Technology
Business Areas
Information Technology
Product Development
Research and Development
  • Patent-pending counter-UAS signal protocol and Python physics simulation engine; US provisional patent filed February 2026.
Jan 2025 - Present

AI Application Developer

Self-employed

Position Summary
AI Application Developer at Self-employed
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • 15+ AI agent systems shipped, including a multi-page Streamlit platform, an LLM content engine, a Whisper and FFmpeg captioning pipeline, and Chimera, a desktop video anonymizer using OpenCV face detection.
Jan 2024 - Present

AI Systems Evaluator

Appen

Position Summary
AI Systems Evaluator at Appen
Industries
Information Technology
Business Areas
Information Technology
Quality Assurance
  • Evaluate LLM outputs for accuracy, safety and contextual appropriateness in Swedish and English across six concurrent client programs (client identities and project details under NDA).
  • Apply project-specific guidelines across shifting rubrics and client standards; retained and reassigned across new programs for over two years.

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology and Aerospace and Defense.

Information Technology
Aerospace and Defense
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Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Quality Assurance, Information Technology, Research and Development, and Product Development.

Quality Assurance
Information Technology
Research and Development
Product Development
Profile match chart

Summary

AI annotator and evaluator with 18 months of continuous vendor-side language work across five providers: Welocalize, Appen, Sigma AI, OneForma and a confidential client. Experience spans LLM (Large Language Model) output evaluation, preference ranking, data labeling, translation, transcription, fact-checking and harmful-content conformity. Works strictly to written annotation guidelines and supports every judgment with a verbatim-verified, citation-backed rationale. Deep applied understanding of how the models being annotated actually behave, giving faster guideline uptake and sharper edge-case detection.

Skills

  • Evaluation Methods

  • Side-By-Side Preference Ranking

  • Likert Scoring

  • Multi-Turn Conversational Grading

  • Instruction-Following Validation

  • Gold-Standard Response Writing

  • Model Output Rewriting

  • Quality Dimensions

  • Grammar

  • Spelling

  • Formatting

  • Linguistic Correctness

  • Naturalness

  • Register

  • Idiomatic Fluency

  • Cultural Appropriateness

  • Factual Accuracy

  • Safety Policy

  • Localization

  • English To Swedish And Swedish To English Translation

  • Transcreation

  • Web Content

  • Swedish Audio Transcription

  • Editing And Review

  • Process

  • Annotation Guideline Adherence

  • Rubric Calibration

  • Qa (Quality Assurance) Review

  • Structured Written Rationales

  • Edge-Case Documentation

  • Precedent Tracking

  • Inter-Rater Consistency

  • Languages And Tools

  • Python

  • Typescript

  • Node.Js

  • Rust

  • Bash

  • Powershell

  • Git

  • Linux

  • Ai And Ml

  • Llm Evaluation

  • Prompt Engineering

  • Rag (Retrieval-Augmented Generation) Pipelines

  • Vector Databases

  • Agent Architecture

  • Langchain

  • Whisper

  • Opencv

  • Ffmpeg

  • Openai, Gemini, Anthropic And Nvidia Apis

Languages

English
Native
Swedish
Native
Romanian
Intermediate

Education

Aug 2011 - Jun 2014

John Bauer Gymnasieskola

Upper Secondary / Gymnasium · Hospitality and Tourism · Malmö, Sweden

Aug 2006 - Jun 2010

Malmö Borgarskola

International Baccalaureate Diploma Programme · IB · Malmö, Sweden

Certifications & licenses

Amazon Annotation

OneForma

General LLM Evaluation

OneForma

Harmful Content Conformity

OneForma

Prompt Engineering (Cherry Opal)

OneForma

Statistics

Experience

Total positions 8
Experience in Information Technology 2.5 y
Avg length 10 m
Longest experience 2 y 7 m

Global Experience

Countries worked in 1 (Sweden)
Primary country Sweden

Expertise

Recent roles Swedish Language and Culture Expert, Open source contributor, Swedish Transcriber
Main industries Information Technology, Aerospace and Defense
Main business areas Quality Assurance, Information Technology, Research and Development

Qualifications

Certifications earned 4

Profile

Created

Frequently asked questions

Have questions? Find more information here.

Ali is based in Malmö, Sweden and prefers 100% remote projects.

Ali speaks the following languages: English (Native), Swedish (Native), Romanian (Intermediate).

Ali has at least 3 years of experience. During this time, Ali has worked in at least 8 different roles and for 8 different companies. The average length of individual experience is 4 months. Note that Ali may not have shared all experience and actually has more experience.

Based on recent experience, Ali would be well-suited for roles such as: Swedish Language and Culture Expert, Open source contributor, Swedish Transcriber.

Ali's most recent position is Swedish Language and Culture Expert at Welocalize.

In recent years, Ali has worked for Welocalize, Activepieces, Sigma AI, OneForma, and Confidential Client.

Ali is most experienced in industries like Information Technology, Aerospace and Defense, and Professional Services.

Ali is most experienced in business areas like Quality Assurance, Information Technology, and Product Development. Ali also has some experience in Research and Development.

Ali attended John Bauer Gymnasieskola for Hospitality and Tourism.

Ali has 4 certificates. Among them, these include: Amazon Annotation, General LLM Evaluation, and Harmful Content Conformity.

Ali is immediately available full-time for suitable projects.

Ali's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

To hire Ali, click the Meet button on the profile to request a meeting and discuss your project needs.

Daily Rate Distribution

0 2 4 6 8
<€320 €640-800 €800-960 €960-1120 €1120+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

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Daily rate avg. 773 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000
750
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250
Rate comparison chart
Median rate 800 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.