Integration Software Engineer

About the Company At Avaron, you get the security of permanent employment combined with the variety of working at different customers. We place specialists across everything from tech, IT and industry to project management and business support – and whatever the assignment, you have a consultant manager who is there for you and your development. About the Role You will help strengthen a Loyalty & Rewards offering in a global retail environment where seamless integrations are critical to the customer experience. In this role, you will connect a SaaS-based loyalty and promotion platform with business-critical systems such as POS, E-commerce, ERP, and sign-up services, making sure data, transactions, and customer journeys work reliably across markets. You will work in a product-focused setup where integration quality, automation, and stable deliveries matter just as much as new development. The role combines hands-on engineering with close collaboration across product, architecture, and development, making it a great opportunity if you enjoy solving real integration challenges in a complex technical landscape. Job DescriptionYou will design, develop, test, and maintain integrations between the loyalty platform and connected systems such as POS, E-commerce, ERP, and Sign-Up Portal. You will build quality into the development flow and help ensure the product meets business and user expectations. You will create and maintain automated CI/CD pipelines, including testing and deployment practices that support continuous delivery. You will work with large data sets to support data imports for new market rollouts as well as exports for reporting and business intelligence. You will produce and maintain technical documentation such as API and integration specifications, development guidelines, architecture diagrams, error-handling descriptions, security compliance material, CI/CD processes, and release notes. You will monitor integration performance, troubleshoot issues, and improve reliability through the right tools and processes. You will collaborate closely with Product Owners, Technical Leads, Developers, and System Architects to align integration work with product goals and long-term technical direction. RequirementsBachelor’s degree in Computer Science, Information Technology, or a related field. 5+ years of experience in software development with at least three years focused on integration and microservice development. Proficiency in C# on .NET and familiarity with common programming design principles. Proven experience developing REST APIs, webhooks and event-driven integrations using Pub/Sub pattern on Azure Cloud Platform, utilizing ASP.NET. Experience working with complex DevOps pipelines, including automated QA and deployment. Demonstrated experience working with large data sets such as ETL. Experience working in large enterprises. Nice to haveExperience in Loyalty & Rewards. Experience in the Retail sector. What We OfferPermanent employment at Avaron AB Occupational pension Wellness allowance of SEK 5,000 per year Application Selections are made on an ongoing basis – apply as soon as you can.