Senior Backend Software Engineer - Spacetime UK
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Before you apply
LocationHybrid (London, GB)
Also inRemote working within the UK
Work modehybrid
Typefull-time
SenioritySenior
Experience7+ yrs
DepartmentSpacetime
EquityIncluded
Company size51–200 people
First seenOct 16, 2026 · 2w ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Bachelor's or Master's degree
7+ years of experience with software development
Proficiency in Golang, C/C++, Rust, or Java
Demonstrated leadership in technical design and architecture to drive projects from conception through production launch
Proficiency in coding, problem-solving, design, system health, diagnosis and resolution, and software test development
3+ years of experience with developing large-scale infrastructure, distributed systems or networks
Familiarity with cloud infrastructure, container orchestration, and distributed data systems
Experience with performance, large scale systems data analysis, visualization tools, or debugging
Applicants must have the right to work in the United Kingdom
Skills
Golang
C/C++
Rust
Java
cloud infrastructure
container orchestration
distributed data systems
GPU
signal processing
linear algebra
Benefits
401(k)
Health insurance
Dental insurance
Vision insurance
Life insurance
Paid time off
Equity
Pension
Role Overview:
We 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.
Our 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.
Key Responsibilities:
Some examples of initiatives you might be a part of include:
•
Scale and optimize distributed systems powering link modeling computations, with a focus on improving 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.
Required Qualificiations:
•
Bachelor’s or Master’s degree
•
7+years of experience with software development
•
Proficiency in Golang, C/C++, Rust, or Java
•
Demonstrated leadership in technical design and architecture to drive projects from conception through production launch.
•
Proficiency in coding, problem-solving, design, system health, diagnosis and resolution, and software test development.
•
3+ years of experience with developing large-scale infrastructure, distributed systems or networks.
•
Familiarity with cloud infrastructure, container orchestration, and distributed data systems.
•
Experience with performance, large scale systems data analysis, visualization tools, or debugging.
What We Offer:
•
Innovative Environment: Work at a cutting-edge company shaping the future of aerospace communications.
•
Impactful Work: Directly contribute to critical national security programs and initiatives.
•
Growth Opportunities: Expand your career with opportunities for professional development and advancement.
•
Inclusive Culture: Be part of a collaborative, supportive, and inclusive workplace where your contributions matter.
•
Flexibility: Flexible working arrangements including hybrid remote/in-office schedules.
•
Compensation and Equity: Competitive salary, comprehensive benefits (401(k), dental, vision, health, life insurance), paid time off, and equity options.
Benefits:
•
Competitive salary
•
Pension
•
Health insurance
•
Equity
Work Requirements & Location:
•
Applicants must have the right to work in the United Kingdom.
•
Work Location: Remote working within the UK.
Equal Opportunity Employer Statement:
Aalyria 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. Qualified applicants from all backgrounds are encouraged to apply.
About the company
About Aalyria:
Aalyria 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.