Duoworks

Areas of expertise

Every AI area, explained in detail

Understand exactly what each specialist delivers, from formats and turnaround to results, and hire with clarity. From Brazil to the world.

22 areas of Artificial Intelligence

AI Video Generation

From script to finished video, generated by AI

AI video generation specialists create scenes from text, images, or product photos using models like Runway, Veo, Sora, Kling, and Pika. They handle prompt direction, camera and motion control, clip stitching, upscaling to 4K, and per-channel tuning. They deliver everything from short ads and demos to lipsync avatars and dubbing into other languages.

What the specialist delivers

  • Text-to-video and image-to-video clips from 5s to 60s with camera and motion control
  • 15s to 30s ads ready for Meta, TikTok, and YouTube in 9:16 and 16:9
  • Product demos animated from photos, packshots, or static renders
  • Presenter avatars with lipsync synced to voiceover or text script
  • Dubbing and multilingual versions with voice and lip movement matched per language
  • Explainers and how-to videos from 30s to 90s with embedded captions and soundtrack
  • Upscaling generated clips to 1080p or 4K with stabilization and artifact cleanup

AI Image Generation

Brand and product images generated with AI

AI image generation specialists create product shots, ad creatives, brand art, and illustrations from briefs, references, or existing photos. They work with Midjourney, Flux, Stable Diffusion, and DALL-E, handling composition, retouch, background removal, and upscaling, and deliver images ready for catalog, campaign, or website.

What the specialist delivers

  • Catalog product shots on white or scene backgrounds, consistent lighting and realistic shadow
  • Ad creatives for Meta, Google, and TikTok in 1:1, 4:5, and 9:16 with copy space
  • Hero images for websites and landing pages in high resolution, ready for desktop and mobile
  • Consistent characters and mascots across poses and scenes, keeping face, outfit, and identity
  • Retouch, background removal, and image cleanup in transparent PNG for e-commerce
  • Upscaling of old or generated images to 2K and 4K without loss of sharpness

AI Coding / AI-assisted Dev

Working software, built with AI every day

AI coding specialists use tools like Cursor, GitHub Copilot, and Claude Code to build features, apps, and integrations faster. They handle writing code, review, refactoring, test generation, and bug fixing, delivering version-controlled code ready for production.

What the specialist delivers

  • Building MVPs and new features in React, Next.js, Node, or Python with tests
  • Code review and pull requests flagging bugs, security issues, and bad practice
  • Refactoring legacy code and cutting technical debt without breaking existing behavior
  • Unit and integration test generation with Jest, pytest, Vitest, or Playwright
  • Bug fixing from a stack trace, error log, or reproducible issue
  • Integrations with external APIs, Stripe, webhooks, and databases like Postgres
  • Version, framework, or language migrations, like JavaScript to TypeScript or Python 2 to 3

Autonomous AI Agents

Agents that plan and act on their own

Autonomous agent specialists build AI systems that break a goal into steps, decide which tools to use, and run the task end to end with minimal supervision. They connect models to APIs, databases, and RAG search, and add guardrails, logs, and cost limits for reliable production operation.

What the specialist delivers

  • Multi-step agents in LangGraph or CrewAI that plan, call tools, and resume tasks
  • Research agents that scan sources, extract data, and return a cited report
  • Ops automation that connects CRM, email, and spreadsheets via APIs and n8n
  • Function calling and tool use with JSON schema validation and error handling
  • RAG knowledge base on pgvector or Pinecone for answers grounded in documents
  • Guardrails, per-run spend limits, and observability with step-level logs and traces

AI Text / AI Copywriting

Text that sells, from ad to article

AI text specialists produce and refine copy for every stage of the funnel: ads, sales pages, emails, SEO articles, and product descriptions. They work from your brand voice, deliver variations for A/B testing, and edit at volume in English and Portuguese with consistency.

What the specialist delivers

  • Ad copy for Google, Meta, and LinkedIn with 5 to 10 headline variations per campaign
  • Complete landing pages with headline, bullets, social proof, and CTA ready to publish
  • SEO articles of 800 to 2,000 words with keyword research and meta description
  • Email sequences of 5 to 7 sends for welcome, abandoned cart, and nurturing
  • Standardized product descriptions at scale for e-commerce catalogs and marketplaces
  • Brand voice guide and glossary to keep a consistent voice across channels and writers
  • PT-EN translation and localization of copy, preserving intent, tone, and technical terms

AI Audio / Voice / Music

Voice, music, and sound ready to publish

AI audio specialists produce voiceover, original music, sound effects, and full post-production from scripts, lyrics, or raw recordings. They handle voice generation, dubbing, noise removal, podcast editing, and mastering, delivering clean tracks at the right loudness for each platform.

What the specialist delivers

  • Natural-sounding TTS voiceover in dozens of languages, via ElevenLabs, for videos and ads
  • Original 30s to 3min music generated with Suno or Udio for soundtracks and jingles
  • Podcast editing and cleanup: cuts, noise removal, mouth clicks, and leveling to -16 LUFS
  • Dubbing and captioning of videos into other languages with lip-sync preserved
  • Consented voice cloning to narrate long catalogs while keeping timbre and intonation
  • Custom sound design and sound effects for games, apps, reels, and intros
  • Final mastering in WAV and MP3 at the right loudness for Spotify, YouTube, and streaming

AI Automation (n8n, Make, Zapier)

Workflows that connect apps and run themselves

AI automation specialists build workflows in n8n, Make, and Zapier that connect your apps, APIs, and spreadsheets and run tasks without manual work. They insert AI steps into the process (classify, summarize, extract data) to route leads, sync systems, process documents, and trigger jobs on a schedule.

What the specialist delivers

  • n8n, Make, or Zapier flows connecting CRM, email, spreadsheets, and APIs via webhook
  • Lead routing: qualifies, classifies with AI, and assigns the right rep in seconds
  • Document processing: extracts data from PDFs and invoices into your database
  • Data sync across HubSpot, Notion, Google Sheets, and Postgres in real time
  • Cron-scheduled jobs that generate daily reports and send them via email or Slack
  • AI steps in pipelines: summarizing, categorizing, and drafting replies with OpenAI or Claude

AI Chatbots & Customer Service

24/7 customer service on WhatsApp and site

AI chatbot specialists build customer service assistants that reply to clients on WhatsApp, in site widgets, and on social media. They connect the bot to your document base with RAG, integrate it with your CRM and order history, and hand off to a human agent when the conversation calls for it. They resolve repetitive questions instantly, in multiple languages, with no queue.

What the specialist delivers

  • Support bots on the WhatsApp Business API answering in seconds, 24 hours a day
  • Site chat widget that answers FAQ questions and qualifies leads
  • RAG over your PDFs, policies, and catalog, citing the source in each answer
  • Handoff to a human agent with full history when a case escalates
  • Integration with CRM, Zendesk, and order base to check and update status
  • Multilingual support in Portuguese, English, and Spanish, detecting the customer's language

Data Analysis / Machine Learning

Raw data turned into decisions and forecasts

Data analysis and machine learning specialists turn spreadsheets, databases, and logs into reliable metrics, predictive models, and dashboards that drive decisions. They handle cleaning, exploratory analysis, model training and validation, and deliver forecasts, segmentations, and recommendations ready for the business to use.

What the specialist delivers

  • Interactive dashboards in Power BI, Looker, or Metabase with automatic refresh and filters
  • Predictive churn and purchase-propensity models with accuracy, AUC, and per-feature explanation
  • Weekly or monthly demand and revenue forecasting with Prophet or time-series models
  • Customer segmentation by RFM and clustering for targeted campaigns, pricing, and retention
  • Data cleaning and unification in SQL and Python, handling duplicates, nulls, and inconsistencies
  • Product recommendation systems via collaborative filtering with A/B tests of results

AI Consulting & Strategy

From diagnosis to an AI roadmap that pays off

AI consultants map where AI pays off across operations, prioritize use cases by impact and effort, and design the adoption roadmap. They assess models and vendors, calculate ROI and cost per token, run proofs of concept, and define governance so teams can ship to production safely.

What the specialist delivers

  • AI use-case discovery and prioritization by impact, effort, and risk
  • 6 to 12-month adoption roadmap with milestones, budget, and owners defined
  • ROI analysis with cost per token, payback projection, and build vs. buy comparison
  • Model and vendor selection across GPT, Claude, Gemini, and open-source alternatives
  • Proofs of concept in 2 to 4 weeks with success criteria and measurable metrics
  • Team training and AI governance policy covering data privacy and responsible use
  • Cost optimization through caching, model routing, and prompt tuning

RAG & Knowledge Bases

Trusted answers from your own documents

RAG specialists connect AI models to a company's private data (contracts, manuals, tickets, wikis) to answer questions grounded in the real sources. They handle document ingestion, chunking and embeddings, the vector database, and retrieval quality, delivering answers with source citations and accuracy evaluation.

What the specialist delivers

  • Ingestion of PDFs, DOCX, spreadsheets, and web pages with cleaning, chunking, and embeddings
  • Vector database in pgvector, Pinecone, or Qdrant with hybrid semantic plus keyword search
  • Private Q&A chat over company data, citing the source in every answer
  • Reranking and metadata filters to raise retrieval precision on large knowledge bases
  • Quality evaluation with precision, recall, and faithfulness metrics against a test set
  • Automatic reindexing pipelines that keep the knowledge base in sync when documents change

Fine-tuning & Model Training

AI models trained on your domain

Fine-tuning specialists adapt language and image models to your domain, training them on your own data to improve accuracy, tone, and response format. They prepare the dataset, run the training (LoRA or full fine-tune), evaluate results, and handle hosting of the final model. You end up with a model specialized for your task, without relying only on generic prompts.

What the specialist delivers

  • Fine-tuning open LLMs (Llama 3, Mistral) with LoRA/QLoRA for tasks specific to your business
  • Dataset prep and cleaning: collection, JSONL formatting, deduplication, and train/validation split
  • Fine-tuning diffusion models (Stable Diffusion, Flux) with LoRA for a visual style or your own product
  • Domain adaptation: tuning the model to the technical vocabulary and tone of your brand or sector
  • Evaluation with benchmarks and your own test sets, measuring accuracy, hallucination, and regressions before publishing
  • Distillation: compressing a large model into a smaller, cheaper version while keeping quality on your task
  • Hosting and deploying the model via an endpoint (vLLM, Ollama, Hugging Face) with cost and latency control

AI Integration

AI embedded in your systems, in production

AI integration specialists connect OpenAI and Anthropic models to your apps, ERPs, and CRMs via API, handling the entire backend. They implement streaming responses, authentication, caching, and error handling, and tune cost and latency for real usage volume. They deliver AI running inside your product, not in an isolated demo.

What the specialist delivers

  • OpenAI and Anthropic model integration via REST API in your app or SaaS backend
  • Embedding AI features into existing ERPs, CRMs, and internal systems without a full rewrite
  • Token-by-token streaming responses via SSE for chat and assistants with instant reply
  • Cost and latency tuning through model choice, prompt caching, and token limits
  • Security layer with keys in environment variables, rate limiting, and input sanitization
  • Failure handling with retry, timeout, and model fallback so the system never goes down

Data Annotation & Labeling

Labeled datasets ready to train models

Data annotation and labeling specialists prepare the data that trains AI models: they draw bounding boxes and segmentation masks on images, tag entities and categories in text, and transcribe audio. They apply quality control batch by batch and document guidelines, delivering consistent datasets in formats ready for training.

What the specialist delivers

  • Bounding boxes and segmentation polygons on images for object detection, exported in COCO or YOLO
  • Text labeling for NER, sentiment and intent classification, with a label schema and edge cases
  • Audio transcription with timestamps, speaker diarization, and sound event tagging for speech models
  • Semantic and instance segmentation pixel by pixel for autonomous vehicles, medical imaging, and satellite
  • Writing annotation guidelines with examples, taxonomy, and acceptance criteria for labeling teams
  • Quality control with double review, inter-annotator agreement (IAA) scoring, and batch correction
  • Data prep for RLHF and fine-tuning: response ranking, evaluation, and preference pairs

Voice Agents

Voice agents that answer and call for you

Voice agent specialists build phone attendants that talk in real time, with latency under 800 ms, combining transcription (STT), an LLM, and synthetic voice (TTS). They handle inbound and outbound calls, telephony integration with Twilio or LiveKit, and CRM and calendar connections. They serve to answer, qualify, and schedule with no queue or hold.

What the specialist delivers

  • 24/7 phone attendant that answers inbound calls and resolves questions with no hold
  • Appointment booking and rescheduling connected to Google Calendar or Calendly in real time
  • Outbound call campaigns for confirmation, collections, and lead recovery at scale
  • Voice lead qualification with results logged automatically to the CRM (HubSpot, Salesforce)
  • Low-latency STT+LLM+TTS stack under 800 ms, with barge-in and natural interruption
  • IVR routing and human handoff with a conversation summary and full context

MLOps & ML Infrastructure

AI models in production, stable and monitored

MLOps specialists put models and LLMs into production and keep that infrastructure running. They handle deployment, GPU serving, training and inference pipelines, CI/CD, drift monitoring, and cost control. The result is reliable, scalable, observable inference, with no surprises on the cloud bill.

What the specialist delivers

  • Model and LLM deployment in production with vLLM serving and p95 latency under 200 ms
  • A100 and H100 GPU infrastructure with autoscaling, spot instances, and queue-based scheduling
  • Training and inference pipelines orchestrated in Kubeflow, Airflow, or Prefect with reproducibility
  • Model CI/CD with MLflow versioning, automated tests, and controlled per-version rollback
  • Data and model drift, latency, and cost monitoring with Prometheus, Grafana, and alerts
  • GPU cost reduction with quantization, dynamic batching, and spot usage, up to 40% saved
  • End-to-end observability with request tracing, structured logs, and token and GPU metrics

Computer Vision

Machines that see, detect, and inspect

Computer vision specialists build models that interpret images and video: they locate objects, read text, classify defects, and count people or products in real time. They train networks like YOLO and segmentation models on the client's data and deliver the system running in the cloud, on a camera, or on an edge device.

What the specialist delivers

  • Object detection with YOLO to count, track, and locate items in image or video
  • OCR of documents, plates, invoices, and labels, extracting structured text as JSON
  • Production-line quality inspection, flagging defects with accuracy above 95%
  • Video analytics for footfall counting, heatmaps, and dwell time in retail
  • Semantic and instance segmentation to outline areas, lesions, or parts pixel by pixel
  • Edge deployment on Jetson, Raspberry Pi, or IP camera, processing 30 FPS locally
  • Attribute recognition such as color, brand, size, and condition of products

Avatars & Digital Humans

Digital presenters that speak any language

Avatar and digital human specialists create realistic presenters that speak from a script, with no studio, camera, or actor. They work with talking-heads, UGC-style spokespeople, and product avatars, handling voice cloning, lipsync, and adaptation across multiple languages in tools like HeyGen and Synthesia.

What the specialist delivers

  • Talking-head presenters for training, onboarding, and internal comms built from a text script
  • UGC-style spokespeople in 9:16 for TikTok, Reels, and Shorts ads
  • Product avatars that explain features and plans in 30s to 2min videos
  • Lipsync and dubbing of the same video in 20+ languages with consistent cloned voice
  • Custom brand avatar built from a 2 to 5 min recording of the real spokesperson
  • Video updates by editing text, no reshoot, keeping the same set and wardrobe

Prompt Engineering

Prompts that cut cost, error, and hallucination

Prompt engineering specialists design and test the instructions that control language and image models. They write system prompts, few-shot examples, and chains, measure results with evals, and tune to lower hallucination, tokens, and cost per call. They deliver versioned, documented prompts ready for production.

What the specialist delivers

  • System prompts that lock the assistant's role, tone, output format, and safety rules
  • Few-shot and chain-of-thought examples that raise accuracy on classification and extraction tasks
  • Eval suites with test cases and metrics to compare versions before shipping to production
  • Cost-per-call reduction by trimming prompts and picking the right model for each task
  • Prompts that force structured JSON output with a validatable schema for API integration
  • Prompts for image models like Midjourney, Flux, and DALL-E with style and consistency control

AI Governance, Ethics & Safety

Policies, audits, and defenses for trustworthy AI

AI governance, ethics, and safety specialists structure how a company uses models without breaking laws or creating risk. They write internal policies, map risks, align systems to LGPD, GDPR, and the EU AI Act, and test models against failures, bias, and attacks. They deliver the documentation and controls that auditors, clients, and regulators require.

What the specialist delivers

  • AI system alignment to LGPD, GDPR, and the EU AI Act with action plan
  • LLM red-teaming against jailbreaks, prompt injection, and sensitive data leakage
  • Bias audits of credit, HR, and recommendation models with fairness metrics
  • AI usage policies and governance committees with roles, approvals, and decision trail
  • Input and output guardrails for chatbots and agents, filtering toxic content and PII
  • Risk assessment per use case, classifying each system and defining proportional controls

AI 3D Modeling

Game-ready, product-ready, print-ready 3D models

AI 3D modeling specialists generate meshes, textures, and scenes from text, image, or reference photo, using tools like Meshy, Luma, and Rodin. They handle topology, retopology, PBR maps, and polygon optimization, delivering assets ready for engine, e-commerce, or 3D printing.

What the specialist delivers

  • Game assets with low polygon count and PBR maps for Unity and Unreal
  • 3D product models from photos, ready for web viewer and AR
  • Text-to-3D and image-to-3D conversion with Meshy, Luma, and Rodin in minutes
  • Full 3D scene and environment generation for games, architecture, and video
  • Watertight print-ready 3D models in STL, with correct scale and tolerance
  • Retopology, UV, and mesh optimization to cut weight without losing detail

Research & Deep Research

Deep research with cited, verifiable sources

AI research specialists investigate markets, competitors, and technical literature using deep-research agents that read dozens of sources and synthesize findings. They deliver structured reports with data, comparisons, and every claim linked to its original source, for decisions that can't rest on guesswork.

What the specialist delivers

  • Market research and sizing (TAM/SAM/SOM) with size, growth, and trend data
  • Competitive analysis with a 5 to 15 competitor matrix, pricing, positioning, and differentiators
  • Literature review synthesizing 30 to 100 papers, articles, and reports into one document
  • Due diligence on companies, vendors, or partners with fact-checking and risk signals
  • Deep-research agents that scan the web, cross-check sources, and produce cited summaries
  • Continuous industry, competitor, and regulatory monitoring with weekly or monthly updates

AI Digital Marketing

Campaigns that learn and improve on their own

AI digital marketing specialists plan and run campaigns with AI end to end: creatives generated and tested at scale, predictive segmentation, data-optimized copy, and reports that explain the why behind every result. Less guesswork, more measurable performance.

What the specialist delivers

  • Paid traffic campaign planning and management (Google, Meta, TikTok) assisted by AI
  • A/B testing of creatives at scale (images, short videos, and copy variations)
  • Predictive segmentation and audiences built from your own business data
  • AI-driven funnel automation: nurturing, retargeting, and cart recovery
  • Performance analysis with explanatory reports and actionable recommendations
  • AI-assisted social media: calendar, production, and timing optimization
  • Tracking and attribution setup (pixel, conversions, UTM) with AI-audited quality

AI SEO & GEO

Show up on Google and in AI answers

SEO & GEO specialists optimize your presence in classic search engines and the new generative engines (Google AI Overviews, ChatGPT, Perplexity). Structured content, technical authority, and organized data so your brand gets cited when AI answers, because more and more people ask instead of search.

What the specialist delivers

  • Full technical SEO audit (indexing, Core Web Vitals, architecture)
  • GEO: optimization to be cited in AI Overviews, ChatGPT, and Perplexity
  • Keyword and search-intent research with AI-assisted analysis
  • AI-produced content with human editorial review
  • Structured data (schema.org) and llms.txt for generative engines
  • Link building and digital authority with a documented strategy
  • Monitoring of rankings and citations in AI answers

AI for Education

Smart courses and tutors that adapt to every learner

AI education specialists design learning experiences with AI: courses built in weeks, virtual tutors that answer in your institution's tone, adaptive learning paths, and automated assessment with individual feedback. For schools, edtechs, and corporate training teams.

What the specialist delivers

  • AI-assisted instructional design: from curriculum to lesson storyboards
  • Full course creation (script, slides, AI video, exercises)
  • AI virtual tutors trained on your institution's content
  • Adaptive paths that adjust pace and difficulty per learner
  • Automated grading with individual feedback and consistent rubrics
  • Translation and localization of educational content at scale
  • Learning analytics: engagement, retention, and drop-off points

AI for HR & Recruiting

Faster hiring and data-driven people management

AI for HR specialists automate the recruiting funnel and bring intelligence to people management: assisted screening with transparent criteria, structured interviews, automated onboarding, and people analytics. Always with human oversight and care for bias and data protection.

What the specialist delivers

  • AI-assisted resume screening with auditable criteria and human review
  • Generated, standardized job descriptions and candidate communication
  • Structured interviews: scripts, scorecards, and automatic summaries
  • Automated onboarding with learning paths and an FAQ assistant
  • People analytics: turnover, engagement, and competency maps
  • Internal HR chatbot for policies, benefits, and processes
  • Bias audits and data-protection compliance in AI workflows

AI Cybersecurity

Intelligent defense for the AI era

AI cybersecurity specialists protect on two fronts: they use AI to detect threats earlier (log analysis, anomalies, phishing) and they protect your company's own AI systems with guardrails against prompt injection, data leakage, and LLM misuse. 100% defensive, fully documented work.

What the specialist delivers

  • AI-powered threat detection: log analysis, anomalies, and prioritized alerts
  • Protecting LLM applications: guardrails, filters, and prompt-injection testing
  • Automated phishing analysis and assisted incident response
  • Infrastructure hardening and configuration review with AI support
  • Safe-AI-use policies for the company (shadow AI, data leakage)
  • Continuous monitoring with monthly executive reports
  • Team training against AI-powered scams (deepfakes, cloned voices)

AI for Games & Entertainment

Worlds, NPCs, and assets created at the speed of imagination

AI for games specialists accelerate every stage of production: 2D/3D assets generated and refined, NPCs that talk to players via LLM, procedural level generation, and automated playtesting. From indie studios to interactive entertainment projects: more game with less budget.

What the specialist delivers

  • AI asset pipeline: concept art, sprites, textures, and refined 3D models
  • Smart NPCs with LLMs: dynamic dialogue with memory and personality
  • Procedural generation of levels, maps, and quests with design control
  • AI integration in Unity and Unreal (Sentis, LLM APIs, local inference)
  • Game audio with AI: adaptive soundtracks, effects, and character voices
  • Automated playtesting and data-driven balancing
  • AI-assisted interactive narrative and worldbuilding

AI UGC Ads

Ads that feel like a friend’s recommendation, at scale

AI UGC specialists produce user-generated-style ads: AI avatars and voices, scripts that convert, and dozens of testable variations. Instead of one expensive hero spot, you get a stream of authentic creatives, ready for TikTok, Reels, and Shorts, iterated on what actually performs.

What the specialist delivers

  • AI-generated avatars and presenters with natural voice and lip sync
  • Conversion-focused UGC scripts (hook, pain, proof, CTA)
  • Dozens of creative variations for fast A/B testing
  • Dynamic captions, cuts, and vertical editing for TikTok/Reels/Shorts
  • Adapting the same creative for multiple languages and markets
  • Brand consistency (colors, logo, tone) across every video
  • Delivery package optimized for ad managers (Meta/TikTok Ads)

AI Translation & Localization

Your content in any language, with expert human review

AI translation and localization specialists combine state-of-the-art machine translation with human post-editing (MTPE) and translation memories. You get the speed of AI with a linguist’s precision: consistent terminology, market-appropriate tone, and cultural adaptation, not a literal translation.

What the specialist delivers

  • Machine translation post-editing (MTPE) at publication quality
  • Website, app, and product localization (not just translation: context and culture)
  • Translation memories and glossaries for cross-project consistency
  • Multilingual subtitling and transcription of video and audio
  • Marketing localization that preserves intent and tone
  • Linguistic quality control (review, QA, and terminology checks)
  • Continuous translation pipelines integrated into your content flow

LLM Red-teaming & Security

Find your model’s flaws before your users do

LLM red-teaming and security specialists test your models and agents adversarially: prompt injection, data leakage, jailbreaks, tool misuse, and unsafe behavior. The goal is defensive: map the risks, document scenarios, and deliver concrete mitigations before launch.

What the specialist delivers

  • Adversarial prompt-injection testing (direct and indirect) and jailbreaks
  • Data-leakage and system-prompt-leak evaluation
  • Security auditing of agents and tool use
  • Content red-teaming: unsafe generation, bias, and edge cases
  • Reproducible security evaluation and regression suites
  • Guardrails and filters: recommendation, setup, and effectiveness testing
  • A prioritized risk report with a mitigation plan

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