Backend Engineer

About The Company ISR Recruitment Limited is a reputable and dynamic recruitment agency specializing in connecting talented professionals with leading organizations across various sectors. With a strong focus on technology and software development, ISR Recruitment has built a solid reputation for delivering exceptional talent solutions tailored to meet the evolving needs of its clients. Committed to excellence, integrity, and innovation, the company prides itself on fostering long-term relationships and providing candidates with opportunities to grow and excel in their careers. About The Role The Opportunity: ISR Recruitment is working with a leading global software organization to recruit an experienced Senior Backend Engineer to join its Product & Engineering team. This is a key opportunity for an experienced software engineer to work on the development of a next-generation B2B SaaS platform, helping shape the architecture, engineering standards, and continued evolution of a highly scalable, secure, and multi-tenant product used by organizations around the world. We are particularly interested in engineers who have a strong track record delivering B2B SaaS products, have experience working within multi-tenant SaaS environments, and have built their careers around a consistent and stable progression through senior engineering roles. Qualifications

• 8+ years' commercial software engineering experience, with significant expertise in backend development.
• Proven experience delivering B2B SaaS products in a commercial environment.
• Extensive experience working with multi-tenant SaaS platforms.
• A strong and demonstrable track record of career stability and sustained tenure within engineering environments.
• Excellent hands-on experience with C#, .NET Core, and modern .NET frameworks, ideally .NET 8 and/or .NET 10.
• Experience designing, building, and delivering production software on the Microsoft technology stack.
• Strong experience developing RESTful APIs and backend services.
• Experience working with relational databases and SQL.
• Experience building and deploying cloud-based applications, ideally using Microsoft Azure. Responsibilities As a Senior Backend Engineer, you will play a leading role in the design and development of the organization's cloud-native SaaS platform.
• Design, build, and maintain backend services, APIs, and reusable libraries to support the platform's functionality.
• Develop high-quality, clean, and testable code using C# and modern .NET technologies.
• Contribute to architectural decisions and help evolve a scalable, secure, and resilient multi-tenant SaaS platform.
• Design and develop RESTful APIs and services consumed by web and mobile clients.
• Build event-driven and asynchronous components using technologies such as Azure Service Bus.
• Work with relational databases to develop efficient SQL queries and database schemas.
• Build and deploy cloud-based applications, primarily within Microsoft Azure environment.
• Participate in automated testing, code reviews, and adhere to engineering best practices.
• Support continuous improvement, refactoring, and performance optimization initiatives.
• Collaborate within an Agile Product & Engineering environment to ensure timely delivery of features.
• Translate functional and technical requirements into robust, production-ready software solutions.
• Mentor and support other engineers, fostering a culture of technical excellence and continuous learning. Benefits Equal Opportunity