BairesDev
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Hire LLM Developers

Onboard top LLM talent in days, no delays.

Our experts have helped dozens of companies ship production-ready solutions powered by large language models. Get dedicated LLM developers on your team in as little as 2 weeks. Fully vetted and time zone-aligned.
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4.9/5
4.9/5 stars60 client reviews
LLM
Trusted by CTOs at 1500+ companies:

Your LLM Development Partner

Why choose between cost savings and quality?
We give you both.

We're a US-based company powered by LATAM dev teams. It's a powerful combination. Procurement is simpler. Quality expectations are shared. Accountability is always there.

Plus, our developers work your hours, speak English, and have experience with US teams. So you get the cost and scalability benefits of nearshore software development - without any of the sacrifices.

4000+Senior Developers in your time zone
Americas-Map
Their engineers perform at very high standards. We've had a strong relationship for almost 7 years.

Why Bairesdev

The easy way to hire the highest quality LLM developers.

We’re a development partner, not a platform. This means we handle everything from recruitment to hardware to certifications. Work with us and enjoy the ease of a white-glove hiring experience.

  • Vetted Senior Talent
    We hire the top 1% of over two million applicants, so you only work with the best.
    We give you engineers who’ve already proven they can deliver. Our rigorous evaluation process includes technical tests, English assessments, soft skill screening, problem-solving simulations, and more. Out of over 2 million applicants who apply yearly, fewer than 1% get the chance to join our team. This is how we ensure you get highly qualified developers who are experts in their fields.
  • Timezone Aligned
    We work your team’s hours, which creates faster feedback loops and fewer blockers.
    Our nearshore software engineers share your workday. Whether we’re answering Slack messages, joining daily standups, or presenting a demo to stakeholders, we work alongside your team in real time. Questions get answered quickly. Blockers are resolved as they come up. Simple tasks like reviewing a pull request take 20 minutes, not 24 hours.
  • Proficient in English
    Our engineers have strong English skills, so communication and documentation are clear.
    We assess English proficiency through verbal interviews and written assignments. Our software engineers can explain decisions, write clear documentation, and actively participate in discussions with your team without barriers. Because we’re familiar with US business culture, our devs also know how and when to speak up, how to handle feedback, and what ownership looks like on a team.
  • Scalable Teams
    Our bench strength lets you scale engineering teams to meet new demands in weeks.
    Engineering needs can grow fast, and we’re built for that. With 4,000+ software engineers on staff and thousands more in our pipeline, we can spin up pods or scale multiple teams across your company simultaneously in a few days to a few weeks. Take on bigger initiatives and hit aggressive timelines without bottlenecks slowing you down.
  • Standard MSAs & SoWs
    We’re easy to onboard because we work the way your legal team expects us to.
    Because we’re based in the US, we follow the same legal standards your team already trusts. We use master service agreements, statements of work, and other documentation that fit your procurement process. This means you get clear expectations and accountability from the beginning. So your legal team can easily green-light the engagement with fewer back-and-forths.
  • NDAs & IP Protection
    We take data and IP seriously, with full protection baked into every engagement.
    We treat your assets with the same care you do, and our processes are designed to provide a foundation of trust and transparency. Every engagement begins with a mutual NDA and clear IP ownership terms covering everything from code to designs and documentation. Our secure workflows and confidentiality protocols also protect existing codebases and other proprietary data.
  • Enterprise-grade Security
    Our devs follow security protocols that meet even the strictest enterprise standards.
    Our software engineers slot into your ecosystem without adding risk. They’re trained on secure development practices and only work within the systems and environments they need. Our security protocols include strict access control, audit-friendly workflows, security repository storage, and more. It’s how we bring enterprise-grade protection to every engagement, no matter your company size.
  • Managed Delivery
    We actively track our devs’ work to make sure they consistently meet expectations.
    With us, you never have to chase updates or second-guess performance. Our delivery managers continually monitor how our software engineers are working to ensure consistent delivery and high work quality. They check in regularly, track progress, and even help resolve blockers. It’s one more way we streamline projects and accelerate your roadmap.
We have 100s of LLM devs on staff.

Our LLM Experts

Meet the LLM developers behind our best work.

This is the level of talent we place on every team. With 8+ years of experience and dozens of projects under their belts, our software engineers raise the bar on every project they work on.

  • Daniela V.
    10+ years of experience
    Sr. LLM Engineer

    Daniela developed LLM-powered document intelligence tools for the banking industry, using GPT-based models with retrieval-augmented generation to parse contracts, compliance manuals, and KYC/AML documents. Her solutions reduced manual review time for compliance teams and improved accuracy in regulatory reporting.

    Previous Clients
    BBVA
    Tech Stack
    Python
    LangChain
    OpenAI API
    FastAPI
    Docker
  • Javier R.
    9 years of experience
    Sr. LLM Engineer

    Javier built domain-specific LLM solutions for healthcare providers, combining GPT-4 with retrieval systems designed to meet HIPAA compliance requirements. His work streamlined clinical documentation workflows, resulting in reduced reporting time and improved accuracy.

    Previous Clients
    Udemy
    Tech Stack
    Python
    PyTorch
    Hugging Face Transformers
    LangChain
  • Valeria M.
    8 years of experience
    Sr. LLM Engineer

    Valeria developed multilingual summarization tools for media companies, fine-tuning transformer models such as T5 and BART on domain-specific news datasets. She built scalable pipelines with Airflow and Hugging Face Transformers, using ROUGE and BERTScore to evaluate output quality. Her work enabled editorial teams to surface insights from large volumes of content in near real time.

    Previous Clients
    IBM
    Tech Stack
    Python
    Hugging Face Transformers
    T5
    BART
    Redis
  • Martín L.
    10 years of experience
    Sr. LLM Engineer

    Martín created enterprise coding assistants using Code Llama and GPT-4, integrated directly into VS Code. He engineered custom prompt frameworks and output filtering with linting tools to match internal coding standards, reducing refactoring workload for development teams.

    Previous Clients
    Volvo
    Tech Stack
    TypeScript
    Python
    Code Llama
    VS Code API
    GPT-4

LLM case studies

Dozens of LLM-powered projects delivered.

Our track record means you get AI solutions and systems that meet the highest technical and business standards.

Legal

Developed AI Tool to Summarize 10,000 Legal Transcripts Daily

Technology

Built an IDE That Simplifies AI Pipeline Prototyping

Software Development

Reduced GCP Costs by 80% with Smarter AI Processing

Flexible engagement models

Need extra LLM expertise?
Plug us in where you need us most.

We customize every engagement to fit your workflow, priorities, and delivery needs.

  • Need a couple of extra software engineers on your team?
    Staff Augmentation
    Get senior, production-ready developers who integrate directly into your internal team. They work your hours, join your standups, and follow your workflows—just like any full-time engineer.
  • Need a few teams to deliver several projects in simultaneously?
    Dedicated teams
    Spin up focused, delivery-ready pods to handle full builds or workstreams. Together we align on priorities. Then our tech PMs lead the team and drive delivery to maintain velocity and consistency.
  • Want to offload everything to us, from start to finish?
    Software outsourcing
    Hand off the full project lifecycle, from planning to deployment. You define the outcomes. We take full ownership of the execution and keep you looped in every step of the way.
No matter how we work together,
always get our top 1% tech talent.

We don’t settle for anything less than the best, and neither should you. Our long, rigorous vetting process ensures only top performers work on your software development projects.

Job Applications
1
Job Applications
We receive over 2.4 million applications a year, which gives us unmatched access to top global tech talent and the ability to handpick the best people for every project.
Online Tests
2
Online Tests
Candidates go through logic and technical assessments built to surface top-tier problem-solvers. We examine how they think and perform under pressure.
HR Interview
3
HR Interview
We verify expertise, English skills, critical thinking, and cultural fit while identifying the techs each candidate masters and enjoys most.
Technical Interview
4
Technical Interview
Our senior engineers validate hands-on ability in the candidate’s top technology. We focus on evidence of real expertise over years in the field.
AI + Expert Review
5
AI + Expert Review
Our algorithm paired with expert review ensure only the highest-performing profiles with the right skillset and mindset are shortlisted for each role.
Hired! Top 1%
6
Hired! Top 1%
Client testimonials

Get LLM results you can stand behind.

Our work holds up in reviews, in production, and in front of the board.

Join 500+ companies who count on our LLM developers

Our Talent Approach

How we find the best-fit devs for your LLM projects

With a deep bench of full-time generative AI engineers, we focus on one thing: finding the right fit. We bring in senior developers who’ve worked in teams like yours and built solutions like yours.

Skills for LLM development

The expertise you need for the results you want.

We've been refining our hiring process for over a decade. We can proudly say our LLM developers are the best of the best: top engineers who’ve proven they have the skills to build stable, high-performing systems.

  1. 1
    LLM Application Architecture

    Many teams shoehorn LLM features into legacy systems, then struggle when model behavior changes. Our engineers draw clean boundaries between preprocessing, inference, post-processing, and telemetry, so that each layer can evolve. We isolate failure. We factor in horizontal scaling limits, GPU allocation, and regional data residency requirements. That means you can swap AI models, adapt to new usage patterns, or meet compliance targets without rebuilding the stack.

  2. 2
    Prompt Engineering

    Prompts are often treated as static text. We manage them like software. Our engineers test, version, and document all prompts. We embed business rules directly into system prompts, add classifier checkpoints to detect unsafe outputs, and build fallback logic that avoids spiraling errors. Our discipline reduces false positives, protects tone consistency, and shrinks the manual review queue.

Put top talent on your team in 2-4 weeks.

We have reps across the US.

Speak with a client engagement specialist near you.

  1. Discuss solutions and decide team structure.

    Tell us more about your needs. We’ll discuss the best-fit solutions and team structure based on your success metrics, timeline, budget, and required skill sets.

  2. Onboard your team and get to work.

    With project specifications finalized, we select your team. We’re able to onboard developers and assemble dedicated teams in 2-4 weeks after signature.

  3. We track performance on an ongoing basis.

    We continually monitor our teams’ work to make sure they’re meeting your quantity and quality of work standards at all times.

Our Awards

Global companies have trusted our developers to build and scale custom AI solutions for over a decade.

  • Forcepoint
  • Abbott
  • AbbVie
  • Abra
  • Acklands-Grainger
  • Acumen
  • Arlo
  • Associated Press
  • Autodesk
  • Avigilon
  • Azlo
  • BBVA
  • Blackboard
  • Burger King
  • Care.com
  • Chime
  • ConsumerAffairs
  • GlobalStart
  • CropTrak
  • eBay
  • Ernst & Young
  • Fresenius
  • Gennev
  • Google
  • Great Wolf Lodge
  • Groupon
  • Hewllet-Packard
  • HomeAdvisor
  • IBM
  • Instructure
  • IPG Mediabrands
  • IQVIA
  • iSeatz
  • iWave
  • Johnson & Johnson
  • Kapsch
  • Keller Williams
  • Kinesso
  • Limeade
  • Netgear
  • Newsela
  • NextRoll
  • Panasonic
  • Patra Company
  • Pinterest
  • R/GA
  • Regeneron
  • Repay
  • Rolls-Royce
  • Salesforce
  • Sana Sano Consulting
  • SAP
  • SiriusXM
  • Swordpoint
  • Thomson Reuters
  • Ticket Galaxy
  • Trone Brand Energy
  • Turner
  • Udemy
  • Univision
  • Urban Outfitters
  • Verisk
  • ViacomCBS
  • Volkswagen
  • Volvo
  • Whirlpool
  • Xtensifi

Excellence.
Our minimum bar for client delivery.

Over 130 awards, accolades, and achievements showcase our quality and commitment to client success.

Our trophy cabinet
  • 1,250+projects
    delivered
    projects executed successfully
  • 130+industry
    sectors
    industry sectors industry sectors
  • America's Fastest-Growing Companies 2025 by Financial Times
    America's Fastest-Growing Companies 2025 by Financial Times
  • Top 100 U.S. IT Innovators 2025 by CIO100 Awards
    Top 100 U.S. IT Innovators 2025 by CIO100 Awards
  • Nearshore North America Top Software Developers 2025 by Clutch
    Nearshore North America Top Software Developers 2025 by Clutch
  • Top 100 Global Outsourcing Providers 2024 by IAOP Global Outsourcing 100
    Top 100 Global Outsourcing Providers 2024 by IAOP Global Outsourcing 100

Accelerate LLM development and delivery with our top-rated nearshore teams.

Schedule a Call

LLM FAQ

What tech leaders ask us about hiring LLM developers:

What kinds of projects have your LLM developers shipped?

Our teams have rolled out sentiment analysis tools, handled LLM fine-tuning for knowledge bases, built retrieval-augmented virtual assistants, and other LLM projects across industries. We’ve delivered predictive modeling pipelines that pair deep learning techniques with traditional data analysis to surface insights for executive dashboards. Our AI solutions span finance, healthcare, and logistics, so it is likely we’ve solved challenges similar to yours.

How do you hire LLM engineers? How do you evaluate technical skills?

We evaluate LLM engineers through practical, scenario-based assessments modeled on real delivery work. Each candidate is tested on their ability to design prompts, debug LLM outputs, reason through architectural tradeoffs, and work with retrieval, latency, and compliance constraints — all under realistic time pressure.

But we don’t stop at code. We also assess how they communicate decisions, collaborate across roles, and stay grounded in product outcomes. Our goal isn’t just to test theoretical knowledge. It’s to find engineers who can contribute to stable, performant LLM systems in a real-world environment and who can work seamlessly with your product and engineering teams.

Do your LLM engineers support deployment across different cloud computing platforms, languages, and development tools?

Yes. Our LLM engineers have deployed systems on AWS, Azure, and Google Cloud, using each platform’s native services. They work comfortably with tools like Terraform, Docker, and Helm, and plug into your CI/CD workflows without friction.

While Python is the go-to for LLM work, we’ve also shipped services in Go, TypeScript, and Java when needed for performance or system alignment.

When the work calls for more than one role, we can bring in MLOps, DevOps, or platform engineers from our bench to round out the team — so you get exactly the expertise you need to go from prototype to production without slowing down.

How quickly can we onboard top LLM developers, and what does the hiring process look like?

We’ll share qualified profiles within a few days, and most clients are onboarding engineers in about two weeks. 

We’ve already thoroughly vetted every professional on our team, so there’s no need to run interviews (unless you want to). Our direct placement model is highly effective (96% on the first try and 99% on the second). In fact, most clients prefer it for speed and simplicity. 

We also handle all the hiring logistics, including equipment, software setup, necessary certifications, documentation, and more.

What safeguards do you put in place for data handling and regulatory compliance?

We isolate PII at the schema level and encrypt data in transit and at rest. Access logs feed into a tamper-evident store for real-time audit readiness. Our secure pipelines support data science workflows on sensitive data without adding friction to compliance or audit processes. Our delivery managers have cleared HIPAA, SOC 2, and GDPR reviews, which means your legal team sees proven controls and doesn’t have to handle special exceptions.

Do you provide ongoing optimization like fine-tuning models and performance monitoring?

Yes. Fine-tuning language models on fresh feedback is part of the build. Our teams monitor how models behave in production, test new prompts in shadow mode, and optimize model performance through batching, routing, and distillation. Dashboards map token usage so finance can track spend, while alerts catch drift before users notice. You get continuous improvement, not a one-and-done project.

What if we need to scale our LLM development team? Can you support it?

Absolutely. With a 4,000-person engineering bench and deep internal specialization, we can scale from a single engineer to a full program without disrupting velocity. If your roadmap shifts toward multimodal AI development or heavier data analytics, we can bring in specialists from those domains. Regardless of what roles you need, we apply the same talent logic and delivery structure to keep momentum high and knowledge intact as the team grows.

How do you control cost while maintaining quality in large language model development?

We benchmark model sizes against business metrics, then route low-stakes queries to smaller engines and reserve high-value calls for premium options. Caching, quantization, and elastic autoscaling cut idle GPU spend. Weekly cost reviews with your stakeholders keep the budget transparent, and when thresholds approach, we propose scalable solutions before overruns happen.

Have you worked with companies like ours, and what valuable insights can you bring?

Since 2009, we have partnered with global enterprises across 130+ industries. We were creating advanced deep learning, computer vision, and natural language processing (NLP) solutions long before the LLM boom. Today, our LLM solutions power e-commerce, support ticketing systems, and manage knowledge bases for large organizations. Our engineers don’t just understand the tech; they understand how it fits into your business.

Useful LLM resources

Related articles.
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