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Senior Backend Software Engineer - Spacetime UK

Aalyria - London, United Kingdom - Hybrid - posted 2026-07-31

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Aalyria is a leading aerospace technology company specializing in laser communications and temporospatial software-defined networking platforms. The company, which acquired technology from Google, is at the forefront of innovation in satellite and airborne mesh networks, cislunar and deep-space communications. Aalyria is revolutionizing the orchestration and management of planetary mesh networks across land, sea, air, and space using any radio or optical spectrum, orbit, and hardware. As a Senior Backend Software Engineer on the Spacetime team, you will play an integral role in developing and optimizing systems critical to the business. You will work alongside seasoned engineers from top-tier tech companies, managing project priorities, timelines, and deliverables while designing, developing, testing, and maintaining core software systems. Key responsibilities include: - Scale and optimize distributed systems powering link modeling computations, focusing on performance, parallelism, and reliability across heterogeneous compute environments - Optimize computational pipelines by migrating workloads from CPU-bound implementations to GPU-accelerated architectures - Optimize production-grade link modeling algorithms to increase system capacity and service sellability, leveraging advanced techniques in signal processing and linear algebra The role offers flexibility to contribute to and take ownership of various projects as both you and the company grow. You will be working on rapidly evolving products that have generated significant industry interest, creating a continuous stream of innovative technical projects.

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