INTERNSHIP DETAILS

Intern, Agent Development - Spanish Voice AI

CompanyBlue Machines AI
LocationNew York
Work ModeOn Site
PostedJune 6, 2026
Internship Information
Core Responsibilities
Design, test, and refine prompts for Spanish and Spanglish voice AI agents to improve natural conversation and behavior. Evaluate agent performance across various dialects and accents while documenting failure patterns to enhance quality.
Internship Type
full time
Company Size
55
Visa Sponsorship
No
Language
English
Working Hours
40 hours
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About The Company
Blue Machines is the world’s fastest enterprise-grade Voice AI platform - built for reliability, compliance, and scale in the era of Agentic AI. Blue Machines has seen rapid adoption across enterprise sectors including lending, healthcare, insurance, recruitment, mutual funds, and edtech, setting one of the fastest enterprise AI deployment curves globally. We’re pioneering a future where human intelligence and AI agents work together seamlessly, transforming how organizations communicate, decide, and serve customers. With Blue Machines, enterprises can deploy agentic Voice AI systems that move from idea to production in under a week - redefining what speed and scalability mean in enterprise AI. Engineered for real-time performance, the platform delivers sub-300 ms latency, multilingual fluency across Indian and global languages, and enterprise-grade governance that ensures privacy, compliance, and security. Our platform-plus-people model, powered by expert Forward-Deployed Engineers (FDEs), ensures every implementation transitions seamlessly from prototype to production - achieving 100% implementation success. At Blue Machines, we’re building the foundation of the agentic enterprise - where Voice AI isn’t just smart, it’s action-driven, scalable, and production-ready.
About the Role

Intern, Agent Development — Spanish Voice AI

Blue Machines AI · Baltimore, MD · Full-Time Internship · 3 Months

About Blue Machines AI

Blue Machines AI is building enterprise-grade Voice AI agents for complex, real-world customer conversations. Our agents help large enterprises automate support, sales, operations, and high-volume workflows across voice and conversational channels.

Blue Machines is built by apna, one of India’s fastest billion-dollar companies, and is backed by world-class investors including Tiger Global, Lightspeed, Peak XV, Insight Partners, Greenoaks, Owl Ventures, GSV Ventures, and Maverick Ventures.

We focus on production-grade AI — low latency, high reliability, multilingual fluency, strong guardrails, and deep enterprise workflow integration. Our platform is designed for the realities of enterprise voice AI: noisy environments, interruptions, code-switching, outdated CRMs, complex workflows, compliance needs, and hallucination risk.

As we expand into Spanish-speaking and Spanish–English environments, we are looking for an intern who can help us build, test, and improve AI agents that work naturally across Spanish, English, and Spanglish conversations.

What You’ll Do

Blue Machines AI is building the next generation of enterprise Voice AI agents — and we’re looking for interns who want to help us build them.

As an Intern, Agent Development — Spanish+ Voice AI, you’ll work directly on production AI agents for enterprise customers. You’ll gain hands-on experience contributing to agent design, prompt engineering, evaluation, and real-world deployment quality.

This role sits at the intersection of AI systems, product development, and multilingual voice experience. You’ll help us understand where Spanish and Spanglish agents fail — and help make them better.

Responsibilities

Build and Improve AI Agents

  • Help design, test, and refine prompts for Spanish and Spanish–English voice agents.
  • Work on agent behavior across real conversational flows, including interruptions, clarifications, fallback paths, and escalation logic.
  • Translate customer use cases into agent instructions, conversation flows, and test scenarios.
  • Improve how agents handle code-switching, slang, regional phrasing, formality shifts, and natural spoken Spanish.

Test Voice AI Systems

  • Stress-test agent performance across Spanish, English, and Spanglish conversations.
  • Test STT and TTS quality across Spanish accents, dialects, pronunciation, and mixed-language speech.
  • Evaluate where the agent breaks down — poor comprehension, robotic responses, wrong tone, hallucination, latency, or missed intent.
  • Create test cases and evaluation rubrics for Spanish-language agent quality.

Work on AI Evaluation and Quality

  • Review AI-generated responses for accuracy, naturalness, tone, and cultural fit.
  • Help define success metrics for Spanish voice agents, including comprehension, task completion, escalation rate, and response quality.
  • Document failure patterns and work with product and engineering teams to improve agent performance.
  • Help prepare demos, evaluations, and internal benchmarks for Spanish voice AI use cases.

What You’ll Bring

  • Pursuing a bachelor’s or master’s degree in Computer Science or a related technical field.
  • Native or near-native Spanish fluency, with strong understanding of Hispanic / Latin American spoken language and culture.
  • Fluent English communication skills, both written and spoken.
  • Strong technical problem-solving skills, especially in fast-changing, ambiguous environments.
  • A builder and tinkerer’s mindset with high agency — you find creative ways to overcome obstacles, test ideas, and ship.
  • Curiosity about LLMs, AI agents, voice AI, prompt engineering, and conversational systems.

Even Better

  • Experience building with LLMs, AI agents, chatbots, voice AI tools, or prompt engineering.
  • Familiarity with eval frameworks, agent tooling, RAG pipelines, STT/TTS systems, or AI testing workflows.
  • Experience with Python, SQL, notebooks, spreadsheets, or basic data analysis.
  • Familiarity with multiple Spanish dialects, such as Mexican, Colombian, Caribbean, Central American, or US Hispanic Spanish.
  • You have built an AI side project, chatbot, voice agent, or LLM-based workflow.

Internship Details

  • Location: US
  • Type: Full-time internship
  • Duration: 3 months
  • Team: Agent Development + Product / Voice AI Delivery / Presales

What You’ll Get

  • Hands-on experience building production enterprise Voice AI agents.
  • Direct exposure to LLMs, voice AI pipelines, prompt engineering, and agent evaluation.
  • Mentorship from senior product, engineering, and AI leaders.
  • A portfolio-worthy body of work in applied AI and multilingual voice systems.
  • Opportunity to work on real customer use cases at enterprise scale.
  • Potential for full-time conversion based on performance.

Compensation

Competitive internship stipend.

How to Apply

Send your resume and a short note on why you are excited about AI agents and voice AI
Bonus: Include a short Spanish–English or Spanglish conversation that you think would be difficult for an AI voice agent to handle well, and explain what makes it hard.

Key Skills
Spanish FluencyEnglish FluencyPrompt EngineeringAI Agent DesignLLMsVoice AISTT/TTS TestingPythonSQLData AnalysisConversational DesignMultilingual EvaluationTechnical Problem SolvingRAG PipelinesChatbot DevelopmentAI Testing
Categories
SoftwareTechnologyEngineeringData & AnalyticsScience & Research
Benefits
Competitive Internship StipendMentorship From Senior LeadersPotential For Full-Time Conversion