Senior Software Development Engineer DOT

Digital & Technology Team (D&T)
is an integral division of
HEINEKEN Global Shared Services Center.
We are committed to making Heineken the most connected brewery. That includes digitalizing and integrating our processes, ensuring best-in-class technology, and embedding a data-driven culture. By joining us you will work in one of the most dynamic and innovative teams and have a direct impact on building the future of
Heineken

Would you like to meet the Team, see our office and much more? Visit our website: Heineken (
Our dream at
HEINEKEN
is to help our customers grow by serving them better, faster, and smarter with digital solutions. The last few years have seen a significant increase in the importance of digital solutions in the Commerce area at Heineken. These IT solutions have become a vital component in supporting the company's revenue. To ensure that this trend is supported and the IT in this area continues to grow, the new Commerce DevOps Hub is being established. The newly created organization, being an integral part of the
Global Digital & Technology Function
, is tasked with maintaining, but most importantly developing (functionally and technologically) IT solutions supporting the Commerce area at Heineken. Commerce DevOps Hub is located in Kraków and will include highly qualified IT professionals with direct contribution to both the technological development of the Heineken Commerce and the Hub itself.

As the
Senior Software Development Engineer
, you will be part of the development team responsible for developing in-house products in the Order Tribe. Collaborating closely with Product Owner(s), Product Architect(s) and other team members you will need to understand the business needs, helping Product Architect(s) to convert those needs into solution architecture specifications and services in line with overall engineering standards and roadmaps. Driving excellence in engineering practices to deliver high-quality solutions throughout the software development lifecycle in our Commerce IT landscape, will be important element of your role.

We believe in supporting what you build. As part of the development team, you are supporting production incident management at the L2 and L3 levels. After developing runbooks the L2 support will be gradually migrated to the central support team. Also, emphasis on proactive observability will be required to ensure stability in our production environments around the world.

Your Responsibilities Would Include
Software Development & Backend Engineering

• develop, test, and maintain high-performance applications using ASP.NET 8, C#, and .NET 8 framework
• troubleshoot and debug complex issues to ensure seamless application functionality
• implement authentication and authorization using ASP.NET Core Identity and OpenIddict .NET 8
• design and develop background jobs using Hangfire for task automation
• work with SQL Server, optimizing performance and designing ORM models using Entity Framework Core 8

Cloud & Azure Services

• develop and deploy cloud-based applications on Microsoft Azure
• work with Azure PaaS services, including Azure App Service, Storage Account, SQL Server, and Application Gateway
• implement caching solutions using Redis Cache and optimize messaging workflows with Azure Service Bus Queue
• monitor application performance using Azure Application Insights
• design and integrate workflows using Azure Logic Apps

UI & Frontend Development

• develop and maintain Single Page Applications (SPA) using Angular JS 1.2, HTML, CSS, and JavaScript
• build modern, scalable frontends using Angular 16, TypeScript, HTML, and CSS with PWA support
• ensure responsive and user-friendly UI/UX designs

DevOps & Tools

• work with Azure DevOps for source control, CI/CD pipelines, and artifact management
• use static code analysis tools like SonarQube to ensure code quality and maintainability
• collaborate with integration middleware tools such as APIC and Dell Boomi for system integrations

Performance Optimization & Best Practices

• identify performance bottlenecks and implement necessary optimizations
• ensure code follows best practices, security standards, and industry guidelines
• participate in code reviews, knowledge sharing, and technical discussions to improve team efficiency.

You Are a Good Candidate If You Have

• 8+ years in software development experience, with expertise in backend, cloud, and frontend technologies
• proficiency in ASP.NET 8, C#, .NET 8, authentication, background job processing (Hangfire), and database management (SQL Server, Entity Framework Core 8)
• 2+ years in Microsoft Azure, working with PaaS services, caching (Redis), messaging (Service Bus Queue), and monitoring (Application Insights). Experience with CI/CD pipelines, Azure DevOps, and static code analysis (SonarQube)
• 1-2 years in Frontend Development: e.g. SPA development using Angular, TypeScript, HTML, CSS, with a focus on responsive UI/UX and PWA support
• strong understanding of performance optimization, secure coding standards, code reviews, and system integrations
• proactive mindset with experience in technical discussions, knowledge sharing, and improving team efficiency.

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