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Muttdata

Posted 29 days ago

AI Backend Engineer #2Muttdata · Buenos Aires

AI Backend Engineer #2

Buenos AiresHybrid

AI Summary

Design and develop backend services and agents for an AI platform, including SDKs, MCP servers, and a unified inference layer, while supporting internal developer adoption.

About this role

🚀 Join Our Remote Data Products & Machine Learning Startup! 🚀


At Muttdata, we build innovative Data Products and Machine Learning solutions that help companies solve complex business challenges. As a fast-growing, remote-first startup, we're passionate about technology, collaboration, and continuous learning.

We are looking for an AI Backend Engineer to join our team and work within the AI Platform team of a large-scale organization. 🐶🚀

This team builds the platform other teams use to create AI agents: SDKs, backend services, MCP servers, and a unified inference layer. Your users are other developers, so part of the job is supporting them through adoption.
This role requires strong Python backend skills, hands-on experience building and running agents in production, and a product mindset for internal platforms. Ownership, clear communication, and the ability to support and enable other engineers are essential to succeed in this fast-paced, collaborative environment. Hybrid work model.

🚀 What We Do

  • Leveraging our expertise, we build modern Machine Learning systems for demand planning and budget forecasting.
  • Developing scalable data infrastructures, we enhance high-level decision-making, tailored to each client.
  • Offering comprehensive Data Engineering and custom AI solutions, we optimize cloud-based systems.
  • Using Generative AI, we help e-commerce platforms and retailers create higher-quality ads, faster.
  • Building deep learning models, we enhance visual recognition and automation for various industries, improving product categorization, quality control, and information retrieval.
  • Developing recommendation models, we personalize user experiences in e-commerce, streaming, and digital platforms, driving engagement and conversions.

    • 🌟 Our Partnerships

  • Amazon Web Services
  • Astronomer
  • Databricks

    • 🌟 Our Values

  • 📊 We are Data Nerds
  • 🤗 We are Open Team Players
  • 🚀 We Take Ownership
  • 🌟 We Have a Positive Mindset
    • 🔍 Curious about what we’re up to? Check out our case studies and dive into our blog post to learn more about our culture and the exciting projects we’re working on! 🚀

    Responsibilities 🤓

  • Design and develop backend services and agents using LangChain and LangGraph.
  • Manage the agent lifecycle, from development and deployment to observability, monitoring, and continuous improvement.
  • Build and maintain cross-team SDKs.
  • Develop, publish, and secure MCP servers, including their authentication.
  • Unify agent inference through LiteLLM or a similar proxy.
  • Implement guardrails, PII masking, and Agent Skills.
  • Build and optimize RAG pipelines, vector databases, and context management.
  • Support the teams that consume the platform, helping them adopt it and unblocking them along the way.

    • Required Skills 💻

  • 5+ years of backend development experience and 2+ years working with agentic AI.
  • Strong command of Python and FastAPI (or similar frameworks).
  • Experience with LangChain, LangGraph, and modern agent-building stacks.
  • Solid knowledge of MCP across its full lifecycle (development, publishing, and authentication).
  • Experience with LiteLLM or similar proxies.
  • Experience with vector databases, RAG, and context optimization.
  • Knowledge of guardrails, PII masking, and Agent Skills.
  • Experience building and maintaining SDKs.
  • Ease supporting other developers.
  • Stack: Python, FastAPI, LangChain, LangGraph, Langfuse, MCP, LiteLLM.

    • Nice to have 💻

  • TypeScript.
  • Kubernetes.
  • AWS.

    • 🎁 Perks

  • 🌍 Remote-first culture – work from anywhere!
  • 🚀 In-Company English Lessons.
  • 💪 Wellhub or sports club stipend to stay active
  • 🚀 AWS, DBT, Google Cloud, Azure & Databricks certifications fully covered
  • 🍕 Food credits via Pedidos Ya – because great work deserves great food.
  • 🎂 Birthday off + an extra vacation week (Mutt Week! 🏖️)
  • 🤝 Referral bonuses – help us grow the team & get rewarded!
  • ✈️🏝️ Annual Mutters' Trip – an unforgettable getaway with the team!
  • 👶 Monthly Childcare Reimbursement – Because supporting families matters too

    • Skills

    Agent SkillsAWSFastAPIGuardrailsKubernetesLangChainLangGraphLiteLLMMCPObservabilityPII MaskingPythonRAGSDK DevelopmentVector Databases

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