#10 Backend Platform Engineer Senior (Python/Fastapi)Muttdata

#10 Backend Platform Engineer Senior (Python/Fastapi)

Location: Argentina
Workplace: Hybrid
Job type: Full Time
Posted: Posted October 8, 2026

🚀 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 a Backend Platform Engineer to join our team and work within the AI Platform team of a large-scale organization🐶🚀
This team maintains the backend platform behind the organization's AI models and agents, including the services that integrate with agentic AI, observability, and MCP servers. 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 with FastAPI.
Integrate the platform with agentic AI services.
Maintain the platform for agentic models, including its observability.
Develop and manage MCP servers throughout their entire lifecycle.
Design and operate relational and non-relational databases.
Apply good authentication and security practices.
Collaborate across the full stack (frontend, backend, and AI).

Required Skills 💻

5+ years of experience with Python and strong command of its best practices.
Advanced knowledge of FastAPI or similar frameworks.
Experience with relational and non-relational databases.
Knowledge of platforms for agentic models and of observability.
Knowledge of MCP development and lifecycle.
Familiarity with LangChain and LangGraph.
Experience integrating agentic AI services.
Basic knowledge of cloud.
Experience working in platform teams.
Good authentication and security practices.
Curiosity, a drive to stay up to date, and willingness to work across the full stack.
Stack: Python, FastAPI, LangChain, LangGraph, MCP, relational and non-relational databases, Cloud.