--- title: '#9 AI Backend Engineer Senior at Muttdata' canonical: 'https://feeny.ai/job/9-ai-backend-engineer-senior-muttdata-buenos-aires-06cqwbtwt03t' type: 'job' last_seen: '2026-10-17' --- # #9 AI Backend Engineer Senior 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/94366a54-dcb5-4f9f-9b47-b5131625a820 ## Job description 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 SeniorΒ to join our teamΒ  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. πŸš€ 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 - 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](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! πŸš€ ## Responsibilities πŸ€“ - 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 πŸ’» - 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 πŸ’» - TypeScript. - Kubernetes. - AWS. 🎁 Perks - 🌍 Remote-first culture – work from anywhere! - πŸš€Β 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 ReimbursementΒ  – 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**: β€œWe 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**: β€œRemote 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 (β€œMutt 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) β€” Buenos Aires, Argentina - [Machine Learning / AI Engineer Lead - Databricks - Eng](https://feeny.ai/job/machine-learning-ai-engineer-lead-databricks-eng-muttdata-argentina-dj02hjsc3me5) β€” Argentina - [Machine Learning / AI Engineer Senior - Databricks - Eng](https://feeny.ai/job/machine-learning-ai-engineer-senior-databricks-eng-muttdata-argentina-w5c4ycfj1xam) β€” Argentina - [Accounting Analyst](https://feeny.ai/job/accounting-analyst-muttdata-buenos-aires-j8shkds8624d) β€” Buenos Aires, Argentina - [#10 Backend Platform Engineer Senior (Python/FastAPI)](https://feeny.ai/job/10-backend-platform-engineer-senior-python-fastapi-muttdata-buenos-aires-f0chgtwpmb04) β€” 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) β€” Ciudad de, Mexico - [#12 Data Governance & Platform Lead](https://feeny.ai/job/12-data-governance-platform-lead-muttdata-buenos-aires-m5ctqct4kakf) β€” Buenos Aires, Argentina - [Machine Learning Engineer Databricks - Mexico](https://feeny.ai/job/machine-learning-engineer-databricks-mexico-muttdata-mexico-g7snqdp6jpy5) β€” Mexico - [Data Engineer Databricks - Mexico](https://feeny.ai/job/data-engineer-databricks-mexico-muttdata-mexico-6a2x085yjzw9) β€” Mexico