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Senior Engineer

Lansweeper - Alicante, Comunidad Valenciana, Spain

Posted Jan 9, 2026

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About this role

Senior Engineer Alicante, Comunidad Valenciana, Spain As a Senior Back-End Engineer , you will play a key role in designing, building, and maintaining robust, scalable, and secure server-side applications. You will collaborate closely with front-end developers, DevOps engineers, and product stakeholders to implement efficient APIs and business logic. Your responsibilities will include writing clean, maintainable, and well-tested code, optimizing application performance, and staying current with best practices and emerging back-end technologies. A day in the life of a Senior Back-End Engineer - Manage the full lifecycle of new epics, from technical design to customer delivery - Design and implement scalable, high-performance backend features - Write and maintain clear technical documentation and architecture decisions - Analyze and troubleshoot system performance issues - Ship production updates daily with minimal risk - Provide technical leadership and support across engineering teams - Conduct code reviews to uphold engineering standards and code quality Are you the new Senior Back-End Engineer at Lansweeper? I am someone who - Delivers consistent, high-quality results in modern software engineering - Brings a user-centered mindset and works comfortably in Agile teams - Uses AI-powered coding tools as part of my daily workflow - Keeps up with emerging technologies, patterns, and best practices - Communicates effectively with engineers, product managers, and stakeholders I have - At least 4 years of experience in cloud-native backend development - Strong expertise in Golang and Node.js - Bonus points for Rust experience - Hands-on experience deploying services to Kubernetes , with full CI/CD ownership using

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