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









Revelo's AI developers 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.
RAG Pipeline Development
Revelo engineers design chunking strategies, embedding pipelines, and retrieval logic that ground LLM responses in your company's actual data, producing accurate, source-cited answers instead of hallucinations.
LLM Integration and Prompt Engineering
Revelo engineers integrate OpenAI, Anthropic, or open-source models into your application with well-structured prompts, caching, and fallback logic, building LLM layers that are reliable, cost-controlled, and easy to iterate on as models improve.
AI Feature Prototyping
Revelo 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, moving from idea to working prototype in days.
Evaluation and Guardrails
Revelo engineers implement evaluation frameworks that measure AI output quality systematically, plus guardrails that prevent harmful or off-topic responses, giving you the testing infrastructure to ship AI features with confidence.
Vector Search Implementation
Revelo engineers set up and optimize vector databases like Pinecone, Weaviate, or pgvector for semantic search, recommendations, and similarity matching, handling embedding model selection, indexing strategies, and hybrid search that combines vector and keyword results.
Looking for related expertise? Check out Revelo's AI/ML developers, AI product developers, and Python developers for machine learning and backend AI work.

Time-to-Hire
Developers
Alignment
Efficiency
2,500+ companies trust Revelo with their tech hiring needs



What Is an AI Developer?
An AI developer 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 engineering roles since 2023, driven by large language models and the gap between what models can do in a demo and what they need to do reliably in production.
Day-to-day, AI developers 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 models useful and reliable inside existing systems.
What separates a strong AI developer 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 Developers?
AI features have moved from impressive demos to baseline business expectations. Your customers want intelligent search, smart recommendations, and natural language interfaces, and they expect those features to work reliably in production. Building them requires a specific kind of engineer who understands prompt engineering, retrieval, evaluation, and observability across the full integration stack.
The talent gap is real and widening. AI developers who can take a prototype from notebook to production are in extremely short supply. The field is only a few years old in its current form, so experience is best measured by shipped products.
Revelo gives you access to 400,000+ pre-vetted engineers based in Latin America, with a shortlist in 72 hours and average time to hire of 14 days. Revelo's AI developers work in your timezone, understand the full integration stack, and bring 30–50% cost savings compared to equivalent US hiring.
What Does It Cost to Hire an AI Developer?
US AI developer salaries run well into six figures at every seniority level. Junior AI developers start notably higher than most software engineering entry points, while senior AI developers command a meaningful premium over senior generalist engineers, with top-quartile earners pushing well above $200,000 in total employer cost.
AI developers based in Latin America through Revelo cost significantly less than their US counterparts. Per Revelo's 2025 Salary Guide, senior AI/ML engineers from Brazil and Argentina run $143,000–$204,000 all-in per year; mid-level engineers start lower. These figures cover engineer compensation, benefits, compliance, and Revelo's management fee in a single monthly rate. Visit revelo.com/pricing for current role-specific figures.
| Seniority | US Total Employer Cost (est.) | Revelo All-In Monthly Rate |
|---|---|---|
| Junior | ~$120,000/yr | Meaningfully below US junior rates |
| Mid-Level | ~$160,000/yr | Well into six figures annually |
| Senior | ~$230,000/yr | ~$11,900–$17,000/mo |
Revelo's all-in monthly rate includes payroll, benefits, compliance, and account management. No placement fee, no hidden markup.
Why Hire AI Developers 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 developers 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 work moves fastest when your team shares working hours. A LatAm AI developer online during US business hours means experiment results get discussed immediately, with major hubs sitting within 0–2 hours of US Eastern time.
AI work requires constant communication about tradeoffs between accuracy, latency, and cost, blending engineering decisions with product thinking. LatAm AI developers who've built alongside US teams navigate those conversations in fluent English with the context those discussions demand.
How to Evaluate AI 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 why retrieval quality is the primary lever for reducing hallucination in production. Weak answers describe the tools without discussing the decisions.
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 intuition, and how they catch regressions when the underlying model gets updated. The strongest candidates 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. A senior AI developer should have opinions built from production experience.
Why AI Expertise Matters
The role 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 controls, and evaluation frameworks.
As of 2026, OpenAI, Anthropic, Google, Microsoft, Notion, Duolingo, and Stripe all employ dedicated AI engineering teams building production features (per public engineering blogs and verified production deployments). Notion's AI assistant and Duolingo's AI tutor are two visible examples of what AI engineering produces at consumer scale.
One caveat: if your problem has a clean deterministic solution (rules, formulas, standard algorithms), adding AI introduces unnecessary complexity, cost, and unpredictability. AI also requires data. Without 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, then layer in AI where it earns its place.
How Revelo Vets AI Developers
Every developer in Revelo's network passes a rigorous multi-stage screening process before being made available to clients. Only the top 2% of applicants make it through, which is why 73.1% of Revelo's actual placements are senior engineers.
The process starts with recruiter-led pre-screening of professional experience, skills, and written communication. Next comes an English fluency assessment, written and verbal, because clear communication matters as much as clean code when working across time zones.
Then comes the technical deep dive. For AI developer candidates, that means hands-on evaluation of model selection, prompt engineering, RAG architectures, and production ML deployment. Revelo tests problem-solving and code quality.
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.
Revelo stays involved after placement with ongoing check-ins, so any friction surfaces early, before it slows your team down.
Benefits of Building With AI
Why AI Engineering Wins for Intelligent Products
Companies that staff dedicated AI engineering see measurable gains across three dimensions: faster feature velocity (prototypes ship in days rather than quarters because engineers own the full integration stack), measurable quality improvement through systematic evaluation frameworks that catch regressions before users do, and cost-controlled AI at scale through caching, model selection, and latency optimization that keeps inference costs from compounding as usage grows. That combination of speed, quality, and cost discipline is what separates teams that ship reliable AI features from teams that stay stuck in demo mode.
Common Use Cases
Conversational interfaces, semantic search, document summarization, code generation, content recommendations, and automated workflows are where dedicated AI engineering delivers the most visible returns. Each represents a point where a pre-trained model must be integrated, evaluated, and maintained inside a real product.
AI Engineering Spans Every Industry
Dedicated AI engineering is no longer limited to AI-native companies. Established players in fintech, edtech, SaaS, and enterprise software now staff AI engineers alongside their core product teams, integrating retrieval, summarization, and generation into products that predate the LLM era.
When AI Is the Wrong Choice
Not every problem benefits from AI. If a rules-based or algorithmic approach already solves the problem cleanly, the added complexity and inference cost work against you. Reserve AI for the cases where deterministic logic genuinely falls short.
Libraries
PyTorch | TensorFlow | Hugging Face Transformers | LangChain | LlamaIndex | scikit-learn | Pandas | NumPy | OpenCV
Frameworks
Facebook API | Instagram API | YouTube API | Spotify API | Apple Music API | Google API | Jira REST API | GitHub API | SoundCloud API
APIs
Amazon Web Services (AWS) | Google Cloud Platform (GCP) | Linux | Docker | Heroku | Firebase | Digital Ocean | Oracle | Kubernetes | Dapr | Azure | AWS Lambda | Redux
Platforms
Amazon Web Services (AWS) | Google Cloud Platform (GCP) | Linux | Docker | Kubernetes | Heroku | Microsoft Azure | NVIDIA CUDA | AWS SageMaker | Google Vertex AI
Databases
MongoDB | PostgreSQL | MySQL | Redis | SQLite | MariaDB | Microsoft SQL Server

