Remote contract or freelance work paid in USD or EUR. Two fits: AI training and evaluation in Brazilian Portuguese (content review, data annotation, QA, rating AI output against guidelines), and web development with React, Next.js, Laravel or .NET. Based in Brazil (UTC-3), overlapping US and EU hours. Part-time or full-time.
Looking for a job
Guilherme Suttani
@guilhermesuttani
Full stack developer and AI trainer in Brazil (UTC-3). React, Next.js, .NET, Laravel. Native Portuguese, English B2. Open to remote contract work.
BrazilWhat I'm looking for
Full stack developer and AI trainer based in Brazil (UTC-3), native Brazilian Portuguese, English B2. Available for remote contract, freelance and part-time work worldwide.
AI work: I use LLM coding agents (Claude Code) daily to generate and refactor code, then review and fact-check every output against real data, rejecting what is wrong and documenting edge cases. Same skill set used in AI training, content review, data annotation and quality assurance: following detailed written guidelines, evaluating generated text for accuracy and tone, validating data with SQL and Python.
Engineering: sole developer of Alumi System, a full web ERP in .NET 10 and Blazor with 400+ components and about 11,800 automated tests, including Playwright end-to-end runs. Six years delivering client websites and web systems with React, Next.js, Vue.js, JavaScript, TypeScript, PHP/Laravel, Node.js, WordPress and Shopify, plus technical SEO, Core Web Vitals, accessibility, and deployment on Linux, Nginx, Redis and Docker.
Support: handled incidents and service requests in ServiceNow at Softtek for enterprise applications, from triage to resolution.
Experience
Work history, roles, and key accomplishments
AS
Current
Independent Software Developer
Alumi System
Apr 2026 - Present (5 months)
Sole developer of a custom web ERP for an aluminum window manufacturer, covering projects, inventory, purchasing, MRP, production, shipping, Brazilian e-invoicing, finance, and BI dashboards. Maintains about 11,800 automated tests and uses an AI-first workflow with Claude Code.
FR
Current
Freelance Web Developer
99Freelas
Aug 2020 - Present (6 years 1 month)
Delivers client websites and web systems end to end, from Figma design to launch and post-launch support. Includes technical SEO, automation, and deployment on Linux VPS.
Handled incidents and service requests in ServiceNow from triage to resolution for enterprise clients. Diagnosed and fixed production issues in legacy enterprise applications.
Education
Degrees, certifications, and relevant coursework
Universidade Norte do Paraná
Associate Degree (Tecnólogo), Systems Analysis and Development
2022 - 2024
Associate Degree (Tecnólogo) in Systems Analysis and Development from Universidade Norte do Paraná, completed from 2022 to 2024.
Tech stack
Software and tools used professionally
Availability
Looking for a job
Location
BrazilAuthorized to work in
Website
moranitech.com.brSalary expectations
24k-80k USD
Job categories
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