AI Backend Engineer #2

🚀 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 an AI Backend Engineer  to join our team  and work within the AI Platform team of a large-scale organization. 🐶🚀

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.

🚀 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 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 💻

• 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 💻

• TypeScript.
• Kubernetes.
• AWS.

🎁 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