Senior Software Engineer - Space & Defense in El Segundo

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Job DescriptionJob Description

Senior Software Engineer – Build Scalable Platforms for the Next of Mission-Critical Machines!

El Segundo, CA | Hybrid (two days onsite)

Opportunity Summary :

Join a fast-growing, venture-backed startup that's reshaping how high-performance machines are built, tested, and operated across space and defense. As a Senior Software Engineer, you'll play a foundational role in building a robust, scalable data platform used by some of the most demanding hardware teams in the world. This is a unique opportunity to work directly with aerospace, robotics, and autonomous vehicle customers, crafting tools that turn complex telemetry into actionable insights in real time. This role is ideal for engineers who love solving deeply technical problems, enjoy working close to hardware, and want to shape both product and culture from the ground up. You'll contribute directly to a platform trusted by companies designing spacecraft, satellites, autonomous vehicles, and other advanced systems, while working in a highly collaborative, fast-paced environment alongside a team of engineers from some of the top tech and aerospace companies in the world.

About Us :

We are a venture-backed startup based in Southern California, founded by former engineers from SpaceX, Palantir, and Google. Our platform gives engineers unprecedented visibility into high-throughput telemetry data, streamlining how machines are tested and debugged. Whether it's spacecraft, drones, or next-gen vehicles, our mission is to make complex hardware systems more reliable, scalable, and developer-friendly. With deep roots in space and autonomy, we're building essential tools for the teams building the future.

Job Duties :

• Architect and build an end-to-end, high-performance data platform to support real-time telemetry and analytics
• Develop clean, interactive front-end interfaces for large-scale time series and event-based data
• Collaborate directly with hardware engineering teams to understand technical challenges and deliver impactful solutions
• Define and refine engineering standards, design patterns, and cultural norms as an early team member
• Participate in architectural planning, peer reviews, and hands-on implementation across the tech stack
• Work with systems including distributed data processing, database optimization, and web performance at scale

Qualifications :

Experience :

Why Join Us :

Compensation Details :

$140,000 - $200,000 plus equity

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