Senior .NET Engineer

Avenga is an international engineering firm helping businesses operate with AI at the core. With 6,000+ experts worldwide, we combine engineering expertise with AI-native thinking to turn ambitious ideas into real-world impact across industries, technologies, and markets. At the core of the role We are looking for a Senior .NET Engineer to join our client team. In this role, you will be responsible for building and maintaining seamless integrations between our digital solutions and a variety of interconnected systems. Your work will directly contribute to delivering reliable, scalable services and enabling the success of our retail partners worldwide. Core skills you’ll bring 5+ years of experience in software development with at least three years focused on integration and microservice development Excellent knowledge of C# and .NET and a strong understanding of object-oriented programming concepts Solid experience converting different data formats (eg., JSON, positioned flatfile), utilizing ASP.NET Proven experience in working with services on the Azure cloud platform, eg., Container apps Storage accounts and Function apps Knowledge of complex DevOps pipelines, including automated QA and deployment Familiarity with large data sets such as ETL Ability to visit the office in Malmo English – Upper-intermediate or higher Nice-to-have Experience with JavaScript Bachelor’s degree in Computer Science, Information Technology, or a related field The impact you'll create Design, develop, test, and maintain integrations Build and embed quality assurance in everything we do to ensure we deliver a good quality product that meets requirements and expectations Develop and enhance automated CI/CD pipelines, leveraging modern testing and deployment strategies to enable efficient and reliable software delivery Manage and process large-scale datasets, supporting the successful onboarding of new retailers and market expansions through efficient data migration activities Create and maintain clear and comprehensive technical documentation such as API and integration specifications, development guidelines, and error handling Implement monitoring, alerting, and troubleshooting mechanisms to ensure integration performance, stability, and continuous system availability Work closely with Technical Leads, Developers, System Architects. QA and Business Analysts to align integration efforts with the overall product strategy and delivery expectations, contributing to a positive and fun team culture People are at the core of Avenga. We provide equal opportunities regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to a respectful environment where everyone can be themselves, share their ideas, and feel that they belong.