10 Backend Platform Engineer Senior (Python/FastAPI)
Muttdata
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10 Backend Platform Engineer Senior (Python/FastAPI) at Muttdata, Buenos Aires (Hybrid). Posted Oct 8, 2026, last seen on the employer's hiring page Nov 5, 2026. Mentioned in the posting: AWS, Azure, GCP.
🚀 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...
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🚀 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.
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
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.
Nice to have 💻
- React and TypeScript.
🎁 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
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