Backend Software Engineer - Spacetime

Location: Remote (United States)

Department: Spacetime Product Engineering

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:

• Design and implement high-performance solver components that compute optimal solutions across diverse problem domains, improving runtime efficiency and scalability.
• Integrate advanced algorithmic techniques from mathematical programming and combinatorial optimization for real-time beam hopping and dynamic resource allocation in satellite communication systems.
• Evolve solver architecture using modern object-oriented design to improve scalability, robustness, and reliability under increasing system complexity and load.

Required Qualifications:

• Bachelor’s or Master’s degree
• 5+ years of experience in software development
• Strong proficiency in object-oriented programming, with experience in one or more of C++, Java, Rust, or Golang.
• Solid understanding of algorithms, data structures, and numerical computation.
• Experience with numerical optimization, mathematical programming, or solver development (e.g., LP/MIP/QP solvers, gradient-based methods, or metaheuristics).
• Experience designing and developing performance-critical or large-scale systems.
• Familiarity with cloud infrastructure, container orchestration, and distributed compute environments.
• Experience with performance profiling, numerical accuracy, and debugging complex computational systems.

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.

ITAR/EAR Requirements:

This position involves access to export-controlled information. To comply with U.S. government export regulations, applicants must meet one of the following criteria:

(A) Qualify as a U.S. person, which includes:

• U.S. citizen or national
• U.S. lawful permanent resident (green card holder)
• Refugee under 8 U.S.C. 1157
• Asylee under 8 U.S.C. 1158

(B) Be eligible to access export-controlled information without requiring an export authorization.

(C) Be eligible and reasonably likely to obtain the necessary export authorization from the appropriate U.S. government agency.

The company reserves the right to decline pursuing an export licensing process for legitimate business-related reasons.

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.

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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.