Backend Developer (.NET)

the company is hiring a Backend Developer (.NET) for a project developing a travel platform, ensuring API integrations, data synchronization, and reliable, scalable booking processes. 

The customer is a technology-driven company in the travel sector, providing a comprehensive booking and procurement platform for industry professionals. Its solutions support large transaction volumes, integrate with a wide network of partners, and offer tools that streamline operations and enhance productivity. Focused on innovation and scalability, the customer continues to expand its ecosystem, strengthen partnerships, and improve data accuracy to deliver a modern digital infrastructure for the travel value chain. 

The project is focused on developing a travel platform that integrates multiple external APIs into a unified system. It ensures reliable data synchronization and seamless booking processes to support scalable and high-performance partner connectivity. 

The position assumes 12 to 21 CET work schedule. 

Responsibilities:  

• Developing and maintaining backend services in .NET 4.8 (Web API) and .NET Core as part of a large-scale migration from monolithic to microservice architecture. 

• Collaborating with cross-functional teams to design and implement scalable, maintainable, and performant services using Clean Architecture and MediatR. 

• Integrating with SQL Server and MongoDB as data backends. 

• Working with Azure Service Bus (NServiceBus) and other Azure services such as Azure Functions and ADF (nice to have). 

• Participating in Agile ceremonies (standups, sprint planning, retrospectives) within 2-week sprint cycles. 

• Contributing to CI/CD practices using Azure DevOps (builds and pipelines). 

• Collaborating via Jira, Confluence, GitHub, and Microsoft Teams. 

Must-haves: 

• Experience with .NET for 3+ years, including strong experience with .NET Core and .NET Framework 4.8 (Web API). 

• Deep understanding of microservice architecture, Clean Architecture patterns, and MediatR. 

• Solid experience with SQL Server and MongoDB. 

• Experience with Azure Service Bus / NServiceBus. 

• Familiarity with CI/CD tools and pipelines (preferably Azure DevOps). 

• Strong problem-solving skills and the ability to work independently. 

• Level of English – from Intermediate+ and above. 

Nice-to-haves: 

• Experience in frontend development. 

• Experience with Azure Functions, Azure Data Factory (ADF), or other Azure ecosystem tools. 

• Previous experience in the travel industry, particularly with backend services for hotel booking/search.  

Reasons why this job would be interesting to you: 

• Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. the company cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc..  

• The opportunity to change the project and/or develop expertise in an interesting business domain.  

• Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant.  

• Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee.  

• The opportunity to earn up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities.  

• Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated.  

• Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies);  

• Certification compensation (AWS, PMP, etc).  

• Referral program.  

• English courses.  

• Private health insurance and compensation for sports activities. 

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