25d ago

#9 AI Backend Engineer Senior

ArgentinaArgentinaΒ·Buenos AiresFull Time / Hybrid Workmid
EngineeringBackend Developer
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Quick Summary

Overview

πŸš€ Join Our Remote Data Products & Machine Learning Startup! πŸš€ At Muttdata, we build innovative Data Products and Machine Learning solutions that help companies solve complex business challenges.

Technical Tools
EngineeringBackend Developer

πŸš€ Join Our Remote Data Products & Machine Learning Startup! πŸš€


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 Senior to join our team  and work within the AI Platform team of a large-scale organization. πŸΆπŸš€

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.
  • 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.
  • Amazon Web Services
  • Astronomer
  • Databricks
  • πŸ“Š We are Data Nerds
  • πŸ€— We are Open Team Players
  • πŸš€ We Take Ownership
  • 🌟 We Have a Positive Mindset
    •  
    πŸ” 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! πŸš€
  • 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.
    •  
  • 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.
    •  
  • TypeScript.
  • Kubernetes.
  • AWS.
  • 🌍 Remote-first culture – work from anywhere!
  • πŸš€ In-Company English Lessons.
  • πŸ’ͺ Wellhub or sports club stipend to stay active
  • πŸš€ AWS, DBT, Google Cloud, Azure & Databricks certifications fully covered
  • πŸ• Food credits via Pedidos Ya – because great work deserves great food.
  • πŸŽ‚ Birthday off + an extra vacation week (Mutt Week! πŸ–οΈ)
  • 🀝 Referral bonuses – help us grow the team & get rewarded!
  • ✈️🏝️ Annual Mutters' Trip – an unforgettable getaway with the team!
  • πŸ‘Ά Monthly Childcare Reimbursement  – Because supporting families matters too

    • Location & Eligibility

    Where is the job
    Buenos Aires, Argentina
    Hybrid, some on-site time required
    Who can apply
    AR

    About this job

    Who can apply
    Argentina
    Posted
    25 days ago
    Employer
    has 38 open jobs on Jobera in 2 countries.

    Listing Details

    Posted
    October 8, 2026
    First seen
    October 8, 2026
    Last seen
    November 3, 2026

    Posting Health

    Days active
    25
    Repost count
    0
    Trust Level
    25%
    Scored at
    November 3, 2026

    Signal breakdown

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    Employees
    51-200
    Domain
    Jobs
    View 38 jobs
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    #9 AI Backend Engineer Senior
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