{"id":633879,"url":"https://alion.io/job/aalyria-senior-backend-software-engineer-spacetime-uk","title":"Senior Backend Software Engineer - Spacetime UK","company":{"id":668833,"name":"Aalyria","domain":"aalyria.com","url":"https://alion.io/company/aalyria","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Rippling","truth_index":{"grade":"A","score":88,"open_postings":10,"ghost_share":0,"stale_share":0.3,"repost_share":0,"time_to_fill_p50_days":90,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":91000,"max_usd":177000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":139},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"C++","optional":false},{"name":"Go","optional":false},{"name":"Java","optional":false},{"name":"Rust","optional":false}],"status":"live","first_seen_at":"2026-07-31T00:01:43Z","employer_posted_date":"2026-07-31","last_verified_at":"2026-10-29T08:13:08Z","board_verified":true,"closed_at":null,"days_open":90,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":90},"description":"About Aalyria:\nAalyria is a leading technology company that supplies laser communications technology and temporospatial software-defined networking platforms to the aerospace industry. With technology acquired from Google, Aalyria is at the forefront of innovation in satellite and airborne mesh networks, as well as cislunar and deep-space communications. We are revolutionizing the orchestration and management of planetary mesh networks using any radio or optical spectrum, any orbit, and any hardware across land, sea, air, and space.\nRole Overview:\nWe are seeking a highly motivated and experienced Software Engineer to join our core engineering team. We value engineers who are adaptable, proactive, and eager to tackle new challenges as we advance our technology. The ideal candidate will bring a solid technical background and a proven track record in solving complex engineering challenges. As a software engineer on the Spacetime team, you will play an integral role in developing and optimizing systems critical to our business, with the flexibility to contribute to and take ownership of various projects as both you and the company grow. You will be working alongside a team of seasoned engineers from top-tier tech companies, managing project priorities, timelines, and deliverables while designing, developing, testing, and maintaining core software.\nOur products are evolving rapidly and have generated a great deal of interest in the industry. This creates an exciting and continuous stream of innovative technical projects to dive into.\nKey Responsibilities:\nSome examples of initiatives you might be a part of include:\nScale and optimize distributed systems powering link modeling computations, with a focus on improving performance, parallelism, and reliability across heterogeneous compute environments.\nOptimize computational pipelines by migrating workloads from CPU-bound implementations to GPU-accelerated architectures.\nOptimize production-grade link modeling algorithms to increase system capacity and service sellability, leveraging advanced techniques in signal processing and linear algebra.\nRequired Qualificiations:\nBachelor’s or Master’s degree\n7+years of experience with software development\nProficiency in Golang, C/C++, Rust, or Java\nDemonstrated leadership in technical design and architecture to drive projects from conception through production launch.\nProficiency in coding, problem-solving, design, system health, diagnosis and resolution, and software test development.\n3+ years of experience with developing large-scale infrastructure, distributed systems or networks.\nFamiliarity with cloud infrastructure, container orchestration, and distributed data systems.\nExperience with performance, large scale systems data analysis, visualization tools, or debugging.\nWhat We Offer:\nInnovative Environment: Work at a cutting-edge company shaping the future of aerospace communications.\nImpactful Work: Directly contribute to critical national security programs and initiatives.\nGrowth Opportunities: Expand your career with opportunities for professional development and advancement.\nInclusive Culture: Be part of a collaborative, supportive, and inclusive workplace where your contributions matter.\nFlexibility: Flexible working arrangements including hybrid remote/in-office schedules.\nCompensation and Equity: Competitive salary, comprehensive benefits (401(k), dental, vision, health, life insurance), paid time off, and equity options.\nBenefits:\nCompetitive salary\nPension\nHealth insurance \nEquity\nWork Requirements & Location:\nApplicants must have the right to work in the United Kingdom.\nWork Location: Remote working within the UK.\nEqual Opportunity Employer Statement:\nAalyria is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability status, genetic information, protected veteran status, or any other characteristic protected by law. 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