? 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 experienced, hands-on, and ownership-driven Backend Engineer (Advanced) to join our team ??. In this role you will design, build, and operate production-grade backend services and REST APIs with Python and FastAPI on Microsoft Azure, including a communications dispatch service that integrates messaging queues and external APIs such as Braze.

You will work closely with development, data, and IT/DevOps teams, integrating backend services with Azure components, relational databases, third-party APIs, and data processes running on platforms like Databricks. Reliability, observability, and clean, maintainable code are at the core of this role.

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? 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, develop, and evolve backend services and REST APIs with Python and FastAPI, applying best practices in architecture, security, and maintainability.
- Build and operate the communications dispatch service, integrating message queues and external APIs (Braze) with idempotency, retries, rate limiting, and robust error handling.
- Integrate and orchestrate platform components, including Azure services, databases, third-party APIs, and data processes running on platforms like Databricks.
- Design and maintain persistence solutions in Azure SQL, including data modeling, migrations, data integrity, and query optimization.
- Ensure backend reliability and observability in production through monitoring, tracing, automated testing, and failure recovery mechanisms.

- Collaborate with development, data, and IT/DevOps teams on technical decisions, component integration, CI/CD pipelines, and deployments across environments.
- Maintain clear and up-to-date technical documentation.

Required Skills ?

- 3–5 years of experience in backend development, with demonstrable participation in building, integrating, and operating production services.




- Strong command of Python and experience building REST APIs with FastAPI or equivalent frameworks.
- Experience designing modular, maintainable software, applying SOLID principles, separation of concerns, and automated testing best practices.
- Experience integrating APIs and distributed systems, including authentication, error handling, timeouts, retries, and resiliency patterns.
- Experience with asynchronous processing and messaging systems: queues, dead-letter handling, and idempotency (e.g., Azure Service Bus or equivalents).

- Strong SQL and relational database skills, including modeling, querying, migrations, and ORMs; SQL Server or Azure SQL preferred.
- Experience with Docker and deploying containerized services.
- Hands-on experience with cloud services, preferably Microsoft Azure, including monitoring, Git version control, and CI/CD processes.

Nice to Have ?

- Experience integrating and orchestrating data processes from backend services, especially with Azure Databricks or other data processing platforms.
- Experience with containerized infrastructure in the cloud, including Kubernetes/AKS or Azure Container Registry.
- Experience with Braze or similar customer engagement platforms.

? 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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📌 #5 - Senior Backend Engineer - Python & Azure Databricks (Argentina)
🏢 Muttdata
📍 Argentina