400k+
ENGINEERS
14 days
to hire
100+
COVERED
30-50%
US hires
Hire the top 1% of
AI
Engineers









AI engineers build the systems that bring large language models and AI capabilities into production applications. Companies hire them to turn AI from a demo into a reliable product feature. Here's what they can help you with when you hire through Revelo:
RAG Pipeline Development
Build retrieval-augmented generation systems that ground LLM responses in your company's actual data. Our engineers design chunking strategies, embedding pipelines, and retrieval logic that produce accurate, source-cited answers instead of hallucinations.
LLM Integration & Prompt Engineering
Integrate OpenAI, Anthropic, or open-source models into your application with well-structured prompts, caching, and fallback logic. Our engineers build LLM layers that are reliable, cost-controlled, and easy to iterate on as models improve.
AI Feature Prototyping
Go from idea to working AI feature prototype in days, not months. Our engineers build functional proofs of concept that validate whether an AI approach actually works for your use case before you commit to a full build.
Evaluation & Guardrails
Implement evaluation frameworks that measure AI output quality systematically, plus guardrails that prevent harmful or off-topic responses. Our engineers build the testing infrastructure that lets you ship AI features with confidence.
Vector Search Implementation
Set up and optimize vector databases like Pinecone, Weaviate, or pgvector for semantic search, recommendations, and similarity matching. Our engineers handle embedding model selection, indexing strategies, and hybrid search that combines vector and keyword results.
Looking for related expertise? Check out our AI/ML developers, AI product developers, and Python developers for machine learning and backend AI work.

WHY HIRE
SOFTWARE DEVELOPERS IN
LATIN AMERICA?
Time-to-Hire
Developers
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Efficiency
2,500+ companies trust REVELO with their tech hiring needs



What Is an AI Engineer?
An AI engineer integrates artificial intelligence into production applications, connecting pre-trained models, APIs, and retrieval systems into software that end users actually interact with. This is one of the fastest-growing job titles since 2023, driven by large language models and the gap between what models can do in a demo and what they need to do in production.
Day-to-day, they build RAG pipelines that ground LLM responses in company data, design prompt chains and structured outputs, manage vector databases for semantic search, handle model evaluation and monitoring, and optimize for the latency-cost-quality tradeoffs that define real AI products. The work is mostly about making those models reliable and useful inside existing systems.
What makes a strong AI engineer is production judgment. They've shipped AI features that handle edge cases gracefully, built evaluation frameworks that catch hallucinations before users do, and know when to call an API versus when to hand off to an ML team for a custom solution.
Why Hire AI Engineers?
AI features have moved from impressive demos to business expectations. Your customers want intelligent search, smart recommendations, and natural language interfaces, and they want them to work reliably in production. Integrating LLMs, building RAG pipelines, and shipping AI features that don't hallucinate their way into trouble requires a specific kind of engineer.
The talent gap here is real and widening. Everyone's experimenting with AI, but AI engineers who can take a prototype from notebook to production, handling prompt engineering, retrieval, evaluation, and observability, are in extremely short supply. The field is only a few years old in its current form, so experience is measured in shipped products, not years on a resume.
Revelo's nearshore AI engineers have shipped AI features that run in production. They work in your timezone, understand the full integration stack, and help you ship AI that your users actually trust. You move faster without gambling on unproven talent.
What Does It Cost to Hire an AI Engineer?
AI engineer salaries in the United States average $101,752 to $138,766 per year (ZipRecruiter and Glassdoor, 2026). Juniors start around $100,000, notably higher than most software engineering entry points, while senior AI engineers earn roughly $190,000, with top-25% earners approaching $220,000. The field's rapid growth continues to push compensation upward.
Latin American AI engineers cost $98,400 to $174,300 per year all-in, including salary, benefits, compliance, and management fees. Senior talent from Brazil and Argentina falls in the $118,400 to $174,300 range, while mid-level engineers run $108,400 to $164,300. These figures represent US-facing roles requiring English fluency and real-time timezone overlap, not local-market compensation.
The savings picture for AI roles is more moderate than traditional engineering because of global demand for the skillset. Comparing all-in nearshore costs to US Total Employer Cost (base salary plus benefits, payroll taxes, and recruitment), companies typically see 20 to 40 percent savings, widest at mid-level seniority.
Why Hire AI Engineers in Latin America?
Latin America has built genuine depth in artificial intelligence research and applied engineering. Brazil's top universities (USP, Unicamp, and UFRJ) run established AI research labs, and Argentina's UBA has produced influential work in machine learning. A growing AI startup scene across São Paulo, Buenos Aires, and Mexico City means AI engineers are moving between research and production, building the applied skills that US companies need most.
AI engineering involves rapid iteration: prompt tuning, model evaluation, pipeline debugging. That moves fastest when your team shares working hours. A LatAm AI engineer online during US business hours means experiment results get discussed immediately, not summarized in a next-day standup that strips out the nuance.
AI work requires constant communication about tradeoffs between accuracy, latency, and cost, blending engineering decisions with product thinking. LatAm AI engineers who've built alongside US teams navigate those conversations in fluent English with the context they demand.
How to Evaluate AI Engineer Candidates
Start with retrieval. Ask candidates to design a RAG pipeline from scratch: how they chunk documents, which embedding model they pick, and how they decide between vector search and hybrid retrieval. Strong answers discuss chunk overlap, metadata filtering, and how retrieval quality is the primary lever for reducing hallucination in production.
Then move to prompt engineering and evaluation. How do they structure prompts for consistency across varied inputs? Ask them to walk through how they'd build an eval suite, what metrics they track beyond vibes, and how they catch regressions when the underlying model gets updated. Do they version prompts the way engineers version code?
For senior roles, probe cost-quality tradeoffs and production hardening. How do they choose between a large frontier model and a smaller fine-tuned one for a given task? Ask about latency budgets, caching strategies, guardrails for harmful output, and how they handle failures when an API provider goes down mid-request.
Why AI Engineering Matters
AI engineers turn foundation models into production features. They don't train models from scratch. They orchestrate LLMs, build retrieval-augmented generation (RAG) pipelines, design prompt architectures, and handle the messy reality of making AI reliable at scale. The skill set spans software engineering and applied ML: you need someone who can build a reliable API and also understand why the model hallucinates and how to mitigate it.
AI engineering fits products adding intelligent features: conversational interfaces, semantic search, document summarization, code generation, content recommendations, and automated workflows. The common thread is taking a pre-trained model and integrating it into a product with proper guardrails, latency budgets, cost management, and evaluation frameworks.
As of 2026, OpenAI, Anthropic, Google, Microsoft, Notion, Duolingo, and Stripe (fraud detection) all employ dedicated AI engineering teams building production AI features (per public engineering blogs and verified production deployments). Notion's AI assistant and Duolingo's AI tutor are prominent examples of AI engineering applied to consumer products.
If your problem has a clean deterministic solution (rules, formulas, standard algorithms), adding AI introduces unnecessary complexity, cost, and unpredictability. AI also requires data: if you don't have the training data, user feedback loops, or evaluation datasets to measure quality, you'll ship a feature you can't improve. Start with the simplest solution that works.
How Revelo Vets AI Engineers
Every developer in Revelo's network passes a multi-stage screening process that takes roughly two weeks. Of the hundreds who apply each week, fewer than 2 percent make it through.
It starts with an AI-powered profile review of professional experience, skills, and written communication. Next, an English fluency assessment, written and verbal, because clear communication matters as much as clean code when you're working across time zones.
Then comes the technical deep dive. For AI Engineering candidates, that means hands-on evaluation of model selection and fine-tuning, prompt engineering, RAG architectures, and production ML deployment. We test problem-solving and code quality, not textbook trivia.
Candidates also complete a hands-on skill challenge and soft-skills evaluation, covering real-world problem-solving, async collaboration, and remote-work readiness, followed by a live interview with a senior technical reviewer who pressure-tests depth and fit.
When you hire AI engineers through Revelo, the features ship. We stay involved after placement with ongoing check-ins and mentorship.
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Facebook API | Instagram API | YouTube API | Spotify API | Apple Music API | Google API | Jira REST API | GitHub API | SoundCloud API
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Amazon Web Services (AWS) | Google Cloud Platform (GCP) | Linux | Docker | Heroku | Firebase | Digital Ocean | Oracle | Kubernetes | Dapr | Azure | AWS Lambda | Redux
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MongoDB | PostgreSQL | MySQL | Redis | SQLite | MariaDB | Microsoft SQL Server

