Muttdata - #5 - Senior Backend Engineer
Requirements
• 4+ 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 principles such as SOLID, 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, using queues, dead-letter handling, and idempotency (e.g., Azure Service Bus or equivalents). • Strong SQL and relational database skills, including modeling, querying, migrations, and ORM usage; 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 participation in continuous integration and deployment (CI/CD) processes. • Experience with AI-assisted software development using tools such as Claude Code, GitHub Copilot, or Cursor, or Spec-Driven Development (SDD) practices, with sound judgment to validate the quality, security, and maintainability of generated code. • Experience integrating and orchestrating data processes from backend services, especially with Azure Databricks or other processing platforms. • Experience with containerized infrastructure in the cloud, including Kubernetes/AKS or Azure Container Registry. • Familiarity with Martech, engagement, or digital experimentation platforms, including push, email, in-app communications integrations, or A/B testing.
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, with idempotency, retries, rate limiting, and error handling mechanisms. • Integrate and orchestrate platform components, including Azure services, databases, third-party APIs, and data processes running on platforms such as 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 by implementing 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, maintaining clear technical documentation.
Benefits
• Remote-first culture – work from anywhere! 🌍 • AWS, DBT, Google Cloud, Azure & Databricks certifications fully covered • Birthday off + an extra vacation week (Mutt Week! 🏖️) • Referral bonuses – help us grow the team & get rewarded! • Maslow: Monthly credits to spend in our benefits marketplace. • ✈️🏝️ Annual Mutters' Trip – an unforgettable getaway with the team!
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