---
title: '#10 Backend Platform Engineer Senior (Python/FastAPI) at Muttdata'
canonical: 'https://feeny.ai/job/10-backend-platform-engineer-senior-python-fastapi-muttdata-buenos-aires-f0chgtwpmb04'
type: 'job'
last_seen: '2026-10-17'
---

# #10 Backend Platform Engineer Senior (Python/FastAPI) at Muttdata

- **Company:** Muttdata
- **Location:** Buenos Aires, Argentina
- **Employment:** full-time
- **Work type:** hybrid
- **Posted:** 2026-10-08
- **Last confirmed live:** 2026-10-17
- **Apply:** https://jobs.lever.co/muttdata/a073ff81-c270-4338-a427-ad3c7e4ef8e6

## Job description

🚀 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](https://blog.muttdata.ai/tag/Case%20Studies/1) case studies and dive into our[blog post](https://blog.muttdata.ai/) 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.

## 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

## About Muttdata

## Company Overview
- **One-liner**: Muttdata is an AI and data consulting firm that helps enterprises build scalable data platforms, AI applications, and martech solutions.
- **Entity Type**: Private (Privately Held)
- **Headquarters**: Buenos Aires, Argentina
- **Founded**: 2018
- **Founders**: Not publicly available

## Core Business
- **Primary industry/industries**: IT Services and IT Consulting, with a focus on Data & AI, Martech, and Adtech solutions.
- **Target customers**: B2B, enterprise clients in retail, ecommerce, CPG, financial services, telecom, healthcare, and gaming.
- **Mission or purpose statement**: “We craft AI and data-driven technology with precision and empathy, transforming complexity into scalable solutions that deliver smarter business outcomes.” [muttdata.ai/about-us](https://www.muttdata.ai/about-us)

## Products & Services
Muttdata delivers a range of service offerings rather than standalone products. Major capabilities include:
- **Data Solutions**: Modern Data Stack, Customer Data Platform, Data Clean Rooms, Identity Resolution.
- **Custom Models**: Tailored machine learning models for specific business needs.
- **Measurement & Attribution**: Single source of truth, Data-Driven Multi-Touch Attribution (MTA), Marketing Mix Modeling (MMM), Lift measurement.
- **Paid Media Optimization**: Cross-channel optimization, AI-fueled forecasts and recommendations.
- **Own Media Personalization**: Gen-AI-driven personalized messages for organic growth and retention.
- **Gen AI Applications**: Fashion Model Generation, Virtual Try On, Localized Tailored Ads.
- **Data Infrastructure**: Data Warehouses & Lakes, DataOps, Real-Time Insights with OLAP & Streaming.
- **Data Engineering**: Data Quality and Integration, Customer 360 Platforms, Compliance & PII Protection.
- **AI Applications**: Balance Reconciliation (AI for suspicious activity), Credit Scoring (lower first-payment default rates).

## Market Standing
- **Valuation**: Not disclosed
- **Key Metric**: 171 employees (as of 2026, +13.9% YoY), 300+ projects successfully deployed [linkedin.com](https://ar.linkedin.com/company/mutt-data)
- **Notable Clients**: Mercado Libre, Clip, Claro, Rappi, Galicia, Mabe, Ripley, BCP, Forus, MODO, Social Learning, ClassDojo, RapidSoS, InConcert, Connecture, Sirum [linkedin.com](https://ar.linkedin.com/company/mutt-data)
- **Notable Partners**: AWS (Advanced Consulting Partner, sole SOLA partner with Advertising and Marketing Technologies Competency, Machine Learning Consulting Competency), Databricks (Select Tier partner, AI Enterprise Partner of the Year 2025, 90+ certified experts) [muttdata.ai](https://www.muttdata.ai/)
- **Growth Signals**: Headcount growth of 13.9% YoY, recognition as Databricks LATAM AI Enterprise Partner of the Year, expansion into US market, and active hiring for roles like Agentic AI DevOps Specialist.

## Competitive Advantages
- Deep, certified expertise in both AWS and Databricks ecosystems, rare in the LATAM region.
- Full-stack Data/ML team with 10+ years of experience across industries.
- Rapid delivery model (tangible results within weeks) using Agile Pods.
- Strong track record with major Latin American enterprises and global tech companies.

## Strategic Focus
- Expanding AI and data-driven solutions for enterprise clients, with a growing emphasis on agentic AI, generative AI personalization, and advanced attribution.
- Building out capabilities in real-time data infrastructure and compliance.
- Scaling the team across LATAM and the US while maintaining a remote-first culture.

## Why Work Here
- **Remote-first culture**: “Remote since before it was cool” – fully remote positions available, with a focus on outcome rather than hours. [muttdata.ai/culture](https://www.muttdata.ai/culture)
- **Perks**: AWS & Databricks certifications fully covered; birthday off; an extra vacation week (“Mutt Week”).
- **Culture**: Collaborative, curious, ownership-driven. High employer rating of 4.6/5.0 on LinkedIn (71 reviews), with strong scores in Culture (4.7) and Career (4.6). [linkedin.com](https://ar.linkedin.com/company/mutt-data)
- **Open roles**: Agentic AI DevOps Specialist, Data Analytics Senior (Remote – Argentina), Data Engineer Lead – Databricks – Eng (Remote – LatAm). [jobs.lever.co/muttdata](https://jobs.lever.co/muttdata)

## Sources
1. [muttdata.ai](https://www.muttdata.ai/)
2. [muttdata.ai/about-us](https://www.muttdata.ai/about-us)
3. [muttdata.ai/culture](https://www.muttdata.ai/culture)
4. [jobs.lever.co/muttdata](https://jobs.lever.co/muttdata)
5. [linkedin.com](https://ar.linkedin.com/company/mutt-data)

## Other roles at Muttdata

- [Martech Specialist](https://feeny.ai/job/martech-specialist-muttdata-buenos-aires-3nkhnba8yt1c) — Buenos Aires, Argentina
- [Machine Learning / AI Engineer Lead - Databricks - Eng](https://feeny.ai/job/machine-learning-ai-engineer-lead-databricks-eng-muttdata-argentina-dj02hjsc3me5) — Argentina
- [Machine Learning / AI Engineer Senior - Databricks - Eng](https://feeny.ai/job/machine-learning-ai-engineer-senior-databricks-eng-muttdata-argentina-w5c4ycfj1xam) — Argentina
- [Accounting Analyst](https://feeny.ai/job/accounting-analyst-muttdata-buenos-aires-j8shkds8624d) — Buenos Aires, Argentina
- [#9 AI Backend Engineer Senior](https://feeny.ai/job/9-ai-backend-engineer-senior-muttdata-buenos-aires-06cqwbtwt03t) — Buenos Aires, Argentina
- [#5 - Data Scientist Semi Senior -  Causal Inference](https://feeny.ai/job/5-data-scientist-semi-senior-causal-inference-muttdata-remote-v9ka812eysja)
- [#2 - Senior Machine Learning Engineer - Databricks](https://feeny.ai/job/2-senior-machine-learning-engineer-databricks-muttdata-ciudad-de-vd8pbaqvkn46) — Ciudad de, Mexico
- [#12 Data Governance & Platform Lead](https://feeny.ai/job/12-data-governance-platform-lead-muttdata-buenos-aires-m5ctqct4kakf) — Buenos Aires, Argentina
- [Machine Learning Engineer Databricks - Mexico](https://feeny.ai/job/machine-learning-engineer-databricks-mexico-muttdata-mexico-g7snqdp6jpy5) — Mexico
- [Data Engineer Databricks - Mexico](https://feeny.ai/job/data-engineer-databricks-mexico-muttdata-mexico-6a2x085yjzw9) — Mexico