Jobs at Welo Global

Join Welo Data’s Hungarian contributor network for flexible, remote AI data projects. Depending on project needs, contributors may annotate text, images, or audio; evaluate search results, advertisements, or chatbot responses; create and test prompts for large language models; and assess cultural and linguistic accuracy. Projects vary from several days to weeks, with scope, timelines, and compensation provided before participation.

Freelance remote Malay linguists and copy editors will translate, copy-edit, and perform machine translation post-editing from English to Malay across marketing, UI, product, support, informational, and legal content. The role requires high-quality, deadline-driven delivery of 5,000+ words weekly, CAT tool proficiency, strong communication, responsiveness, and openness to feedback.

Create challenging expert-level questions about Brazilian sports, write ideal answers in Brazilian Portuguese, and break responses into cited facts with sources and relevance. Work supports training data for AI systems. This is a remote, flexible freelance engagement requiring approximately 60 hours over two months, with contributors using consumer-grade LLMs and search for research support and prompt difficulty calibration.

Reviews, localizes, fact-checks, translates, and adapts football-related content from US English into European Portuguese. Conducts market-specific research, follows style and terminology guidelines, evaluates localization quality, and provides feedback on written content. Requires strong football knowledge, native European Portuguese fluency, excellent English comprehension and writing, proofreading and editing skills, translation/localization experience, technological proficiency, and a licensed version of Microsoft Office.

Localize, translate, adapt, fact-check, and quality-control football content from US English into Italian. Research market-specific terminology and trends, follow style guidelines, provide written feedback, and ensure content resonates with Italian football audiences. The role requires native-level Italian, excellent English grammar, strong editing and creative-writing skills, extensive football knowledge, and proficiency with computers, mobile devices, spreadsheets, and MS Office.

Reviews, localizes, fact-checks, translates, and adapts football-related content from US English into Polish. Conducts market research, follows style and terminology guidelines, evaluates localized content, and provides written feedback. The role requires native-level Polish, excellent English grammar, strong sports knowledge, and experience in linguistics, translation, localization, journalism, copywriting, or editing.

Designs and maintains automated API and middleware test suites for gRPC-Web, Proto3, HTTP/2, JSON-RPC, and REST services. Inspects browser-generated network traffic using proxy tools and DevTools, reconstructs schemas and request behavior, produces sanitized HAR evidence, and develops controlled API replay scripts. Tests serialization, encoding, authentication, headers, routing identifiers, and malformed requests while collaborating with backend engineers on contracts and edge cases.

Test distributed backend systems supporting account provisioning and onboarding. Execute approved API replay, tampering, fuzzing, boundary-validation, and failure-mode scenarios in staging; analyze request/response behavior, latency, persistence, relational integrity, and lifecycle state changes. Capture structured evidence, correlate API and middleware results, document defects, support fix validation, and maintain traceability for audits and incident reviews.

Own frontend-to-middleware quality assurance for a multi-step onboarding workflow. Design exploratory, boundary, and equivalence-partitioned tests; validate workflow state transitions, decision forks, personas, and submission behavior. Triage defects, coordinate with developers on root causes and fixes, mentor junior testers, document coverage, and maintain a validated frontend state-model evidence package for middleware handoff.

Lead end-to-end QA governance across frontend, middleware, and backend layers. Establish testing standards, quality gates, evidence requirements, and review processes; oversee API contract testing, entity-relationship data modeling, test architecture, and coverage strategies. Coordinate QA teams, resolve cross-layer dependencies, assess technical evidence, identify gaps, and prepare traceable evidence packages and stakeholder readouts. Serve as the escalation point for technical discrepancies and quality issues.

Create challenging expert-level questions about Brazilian history, write ideal answers in Brazilian Portuguese, and decompose responses into cited facts with sources and relevance. The role supports AI training-data development through original human-authored content, using consumer-grade LLMs only for research support and prompt-difficulty calibration. This is a remote, flexible freelance engagement totaling approximately 60 hours over two months.

Create challenging, expert-level questions about Brazilian literature and linguistics, write ideal responses in Brazilian Portuguese, and break them into cited facts with sources and relevance. Work remotely as a flexible freelance contributor on an AI training-data project. A PhD-level background in the relevant domain is mandatory, and contributors must produce original work while using LLMs only for research support and difficulty calibration.

Create challenging, expert-level questions about animals and pets in Brazilian Portuguese, write ideal responses, and decompose them into cited facts with sources and relevance. This remote freelance engagement supports AI training-data development, requires PhD-level expertise, and involves approximately 60 flexible hours over two months. Contributors use consumer-grade LLMs for research support and prompt-difficulty calibration while producing original content.

Creates challenging, expert-level questions and answers about Brazilian religion, spirituality, or philosophy in Brazilian Portuguese for AI training data. Develops original responses, breaks them into individually cited facts, and documents source relevance. This is a remote, flexible freelance engagement totaling approximately 60 hours over two months.

Creates challenging, expert-level questions about Brazilian law and ethics, writes ideal answers in Brazilian Portuguese, and breaks responses into cited facts with sources and relevance. The role supports AI training data development through original expert content, with AI tools used only for research assistance. This is a remote, flexible freelance engagement totaling approximately 60 hours over two months.

Create challenging expert-level questions and ideal answers about Brazilian politics in Brazilian Portuguese for AI training data. Break responses into individually cited facts, sources, and relevance assessments. Work remotely as a flexible independent contractor for approximately 60 hours over two months, using LLM tools only for research support and prompt difficulty calibration.

Performs Urdu-English linguistic quality assurance, arbitration, glossary and translation-memory updates, client feedback implementation, and cultural consultation. Manages language quality processes, documentation, root-cause analyses, quality improvement plans, stakeholder communication, and mentoring. The role requires native or near-native Pakistani Urdu proficiency, excellent US English, localization expertise, and flexibility across content types, including music, video, and sensitive material.

Review, localize, fact-check, translate, and adapt primarily football-related content from English into Japanese. Conduct market research on terminology and localization trends, follow style guidelines, provide editorial feedback, and ensure content resonates with Japanese audiences. The role requires native-level Japanese, excellent English, strong sports knowledge, and experience in translation, localization, editing, or sports journalism.

Perform Punjabi lyric syncing and content quality control, edit and validate metadata, enforce style guidelines, identify inconsistencies, and support process improvements. Collaborate with local and international teams while handling repetitive, detail-oriented work across large volumes of music content. Requires native Punjabi fluency, professional English proficiency, music knowledge, research and analytical skills, and familiarity with metadata handling and language-content moderation.

Join Welo Data’s global contributor network for flexible, remote AI projects. Depending on skills, contributors may annotate text, images, or audio; evaluate search results, advertisements, and chatbot responses; create prompts; and assess cultural and linguistic accuracy. Projects vary from several days to weeks, with compensation and requirements provided before each assignment.