Senior Product Software Engineer (C#/.NET, ReactJS, MongoDB) – 14380

Veritaz is a leading IT staffing solutions provider in Sweden, committed to advancing individual careers and aiding employers in securing the perfect talent fit. With a proven track record of successful partnerships with top companies, we have rapidly grown our presence in the USA, Europe, and Sweden as a dependable and trusted resource within the IT industry. Assignment Description: We are looking for a Senior Product Software Engineer (C#/.NET, ReactJS, MongoDB) to join our dynamic team. What you will work on: Lead the design, development, and maintenance of complex software applications using C#/.NET, ReactJS, and MongoDB Collaborate with product managers, product owners, QA, and engineering teams to define specifications and implementation details Communicate progress, risks, and challenges clearly to stakeholders and team members Prepare detailed technical specifications and requirements to support development activities Identify performance bottlenecks and implement optimization strategies Denovative, user-centric software solutions that align with customer needs and industry best practices Develop and execute thorough testing routines to ensure reliability, accuracy, and quality Apply design patterns and architectural principles to solve complex technical problems Troubleshoot and resolve issues throughout the development lifecycle in collaboration with team members Provide technical support and guidance to end-users regarding software maintenance and usage What you bring: Strong experience in end-to-end software engineering, including design, development, and maintenance Proficiency in C#/.NET and JavaScript frameworks, particularly ReactJS Solid experience with MongoDB and familiarity with relational databases Deep understanding of software architecture, design patterns, and reusable design principles Experience with unit testing, CI/CD pipelines, and code review processes Hands-on experience working within agile development environments Ability to design, develop, and maintain RESTful APIs Proficiency with source control tools such as Git Strong capability in producing and maintaining clear technical documentation Excellent communication skills in English (minimum B2 level) Competencies including inclusive collaboration, analytical thinking, strong performance drive, accountability, functional expertise, and operational excellence