Software Engineer, Optimization Systems

Role Overview

We are seeking a highly motivated and experienced Software Engineer to join our core Spacetime 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.

Key Responsibilities

• Design and build high-performance optimization and scheduling systems for complex network-resource allocation problems.
• Translate complex product and network requirements into effective computational models.
• Improve solution quality, runtime, scalability, and explainability as problem complexity grows.
• Evolve solver architecture to improve scalability, robustness, and reliability under increasing system complexity and load.

Required Qualifications

• Bachelor's degree in Computer Science or a related technical field, or equivalent practical experience.
• 5+ years experience designing and developing production software systems.
• Strong fundamentals in algorithms, data structures, software design, testing, and debugging.
• Experience building algorithmically complex, computationally intensive, or performance-sensitive software.
• Proficiency in Golang, C/C++, Rust, or Java.

Preferred Qualifications

• Experience with numerical optimization, mathematical programming, or solver development (e.g., LP/MIP/QP solvers, gradient-based methods, or metaheuristics).
• Experience with performance profiling, numerical accuracy, and debugging complex computational systems.
• Experience with distributed or cloud-based compute systems.
• Familiarity with telecommunications, networking, logistics, planning, or other adjacent domains.

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.