Sr. Full Stack Integration Engineer

Berlin Packaging is the premier supplier of rigid packaging. With over $3 billion in revenue, we grow 5x faster than the overall packaging industry.   Chances are you enjoy products supplied by Berlin Packaging every day! We serve virtually every end market: automotive, beverage, food, home care, industrial chemical, pet care and veterinary, personal health and beauty, wine and spirits, and cannabis.   Combine that with our “Anything is Possible” mindset and our winning culture, our 2,000+ employees agree, we love it here. Our engagement scores are 2x the national average. And every single employee shares in Berlin’s profitable growth.  Now you understand why since1898, our 100+ year-old company has grown 5x faster than our industry! Berlin Packaging has been investing in technology across the enterprise, and our integration platform is at the heart of how our systems connect, communicate, and scale. As a Senior Full Stack Integration Engineer , you will be a hands-on practitioner at the center of that effort — designing and building enterprise-grade APIs, microservices, and middleware using Azure .NET, Azure API Management (APIM), and MuleSoft API-led development, backed by strong DevOps practices and experience across data and data warehouse platforms. You will collaboratively develop solutions alongside onshore and offshore developers, architects, and cross-functional technology teams, contributing your expertise, elevating the work around you, and owning your deliverables end-to-end. The expectation is that you bring deep, proven experience and can operate with a high degree of autonomy from day one. What You'll Do: API, Microservices & Backend Development Develop scalable C#/.NET (ASP.NET Core) applications, REST APIs, and microservices using Azure cloud-native architecture and best practices. Build, deploy, and manage applications on Azure App Services, Azure Function Apps, and Azure Static Web Apps, Azure logic apps ensuring scalability, reliability, and performance. Design, publish, secure, and manage APIs using Azure API Management (APIM), including authentication, policies, versioning, throttling, caching, monitoring, and API lifecycle management. Integrate Azure services including Service Bus, Event Hubs, Key Vault, Storage Accounts, and Azure SQL, and implement CI/CD pipelines using Azure DevOps. Leverage AI-assisted development tools Claude Code, GitHub Copilot, or similar to accelerate development, improve code quality, automate testing, and enhance developer productivity. MuleSoft API-Led Development Design and develop API-led integrations (System, Process, and Experience APIs) using MuleSoft Anypoint Platform, Anypoint Code Builder, and Mule 4. Build reusable MuleSoft APIs, integrations, and DataWeave transformations to connect enterprise applications, cloud services, and third-party systems. Deploy and manage Mule applications on CloudHub 2.0, including runtime configuration, monitoring, performance tuning, and environment management. Implement API security, integration patterns, error handling, messaging, and logging to deliver secure, scalable, and reliable integrations. Leverage Anypoint Code Builder, CI/CD pipelines, and AI-assisted development tools Claude Code to accelerate development, improve code quality, and automate testing. Cloud, Data & Data Warehouse Integration Develop data pipelines and integrations using Azure Data Factory, Databricks, Azure Functions, and Logic Apps Deliver integrations across enterprise platforms including ERP, CRM, eCommerce portals, PIM systems, and data warehouse/lakehouse environments Support consumption of APIs and data services by downstream reporting, analytics, and data warehouse platforms DevOps & Engineering Practices Implement and maintain CI/CD pipelines using Azure DevOps, Terraform and GitHub, promoting engineering best practices across the integration and API codebase Manage build, release, and environment configuration for .NET, APIM, and MuleSoft deployments Maintain observability through monitoring, logging, and alerting tooling across the integration platform Quality, Security & Collaboration Implement API security standards including OAuth2 and JWT across .NET, APIM, and MuleSoft APIs Provide L2/L3 production support, triaging and resolving integration issues with urgency and thoroughness Collaborate effectively with onshore and offshore developers, sharing knowledge and contributing to a high standard of delivery across the team Leverage AI-assisted development tools to accelerate productivity and improve code quality Model the employee portion of the Berlin Values What We're Looking For: Required Qualifications 5–7+ years of hands-on, full stack experience in enterprise API and integration development Strong hands-on expertise building APIs, microservices, and middleware/backend services with Azure .NET (C#, ASP.NET Core Web API), including publishing and managing APIs through Azure API Management (APIM) — security policies, versioning, and payload/performance optimization Deep expertise with MuleSoft API-led development on the Anypoint Platform, including Anypoint Code Builder, CloudHub 2.0 deployment, and DataWeave transformations Strong command of REST, SOAP, JSON, and XML integration patterns Solid DevOps experience: CI/CD pipeline design and implementation using Azure DevOps and GitHub Hands-on experience with Azure data and integration services — Azure Data Factory, Databricks, Functions, Service Bus, and Key Vault Familiarity with data warehouse or lakehouse architecture and data pipeline development Experience with messaging and event-driven platforms (Azure Service Bus, Event Hubs, Anypoint MQ, or Kafka) Experience integrating enterprise systems such as Salesforce, Oracle PeopleSoft, or similar platforms Solid understanding of API security standards including OAuth2 and JWT Ex