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Rust Startup Jobs in California (NOW HIRING)

Matic

Backend Software Engineer

Mountain View, CA · On-site

$120K - $200K/yr

... Rust * Experience building internal tooling or production support systems * Ability to work cross-functionally with hardware engineers and production teams * Comfort with a fast-paced, startup ...

OneSchema

Senior Software Engineer

San Francisco, CA · On-site

$144.30K - $190.30K/yr

We are a fast-growing startup backed by General Catalyst, Sequoia Capital, and Y Combinator. Our ... Our stack consists of React, TypeScript, Rust, and Ruby. We work with all the popular foundation ...

Voltai

Senior Software Engineer: Agents

Palo Alto, CA · On-site

$144.20K - $190.10K/yr

... Go, Rust, TypeScript, etc.) • A track record of owning meaningful systems or features and not ... Experience at an early-stage startup where you wore multiple hats Company : AI models for ...

K2 Space

Senior Software Engineer

Los Angeles, CA · On-site

$160K - $200K/yr

... startup, we'd love for you to apply. The Role The software team at K2 strives to blur the lines ... This spectrum includes GNC algorithms (Rust, C++), application software on flight computers (Rust ...

K2 Space

Software Engineer

Los Angeles, CA · On-site

$123K - $160K/yr

... startup, we'd love for you to apply. The Role The software team at K2 is building our stack primarily in Rust because we believe modern programming languages should be fun, as well as correct. We see ...

K2 Space

Principal Software Engineer

Los Angeles, CA · On-site

$200K - $240K/yr

... startup, we'd love for you to apply. The Role The software team at K2 strives to blur the lines ... This spectrum includes GNC algorithms (Rust, C++), application software on flight computers (Rust ...

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What are the key skills and qualifications needed to thrive as a Rust Startup founder, and why are they important?

To thrive as a Rust Startup founder, you need strong technical proficiency in Rust programming, experience with systems-level software development, and a solid understanding of startup business fundamentals. Familiarity with tools like Cargo, Git, CI/CD pipelines, and cloud platforms, as well as knowledge of venture funding or accelerator programs, is highly beneficial. Leadership, resilience, and effective communication are crucial soft skills for inspiring teams and navigating the uncertainties of startup life. These skills and qualities enable founders to build robust products, attract investment, and adapt quickly to market demands.

What are some common challenges faced by engineers working at a Rust-focused startup, and how can they overcome them?

Engineers at Rust-focused startups often encounter challenges such as integrating Rust into existing technology stacks, addressing a relative scarcity of mature libraries, and collaborating with team members who may have varying levels of Rust experience. Overcoming these challenges involves prioritizing clear documentation, fostering a culture of continuous learning, and leveraging the active Rust community for support. Additionally, engineers benefit from open communication with product and design teams to ensure alignment on technical decisions and project goals.

What is a Rust startup?

A Rust startup is a new company or organization that primarily utilizes the Rust programming language for developing its products or services. Startups choose Rust for its memory safety, performance, and modern language features, which help build reliable and scalable software. These companies often focus on areas like systems programming, web development, blockchain, or cloud infrastructure, where Rust's strengths shine. Being a Rust startup means embracing a fast-growing ecosystem and community, as well as leveraging Rust's advantages to create innovative solutions.

What is the difference between Rust Startup vs Rust Developer?

AspectRust StartupRust Developer
Required CredentialsTypically a degree in Computer Science or related field, with experience in Rust programmingSame as Rust Startup, often includes certifications or portfolio of Rust projects
Work EnvironmentStartups, flexible hours, dynamic teamsVaries from startups to established companies, often collaborative
Employer & Industry UsageTech startups, software development firmsTech companies, software development teams
Search & Comparison IntentUnderstanding roles in startups using RustComparing Rust roles in different company sizes

Rust Startup refers to a role within a startup environment focusing on Rust programming, often involving flexible work settings and innovative projects. Rust Developer is a broader term for professionals skilled in Rust, working across various company sizes and industries. While both require similar credentials and skills, Rust Startup emphasizes the startup culture and environment, whereas Rust Developer can be found in a wider range of organizations.

What are popular job titles related to Rust Startup jobs in California? For Rust Startup jobs in California, the most frequently searched job titles are:
What job categories do people searching Rust Startup jobs in California look for? The top searched job categories for Rust Startup jobs in California are:
What cities in California are hiring for Rust Startup jobs? Cities in California with the most Rust Startup job openings:
Rust Startup jobs near you

Modeling & Simulation Engineer

Singularity Defense Corp.

Gardena, CA • On-site

Full-time

Posted 9 days ago

Job description

About the Company:
We are a stealth-mode Aerospace & Defense startup headquartered in Gardena, CA. Our founding team hails from SpaceX, Anduril, and Lockheed Martin, and we are backed by Joint Staff-level military leadership and several Silicon Valley firms. With a world-class business development & leadership team already in place, we are well positioned to capitalize on already overwhelming demand.
Job Overview:
As a GNC Engineer focused on Simulations, you will lead the development of high-fidelity physics-based simulations for end-to-end missile flight and guidance validation. These simulations serve as a digital proving ground for our flight software, autonomy stack, and control systems-enabling us to iterate rapidly and validate in silico what would otherwise require expensive, slow, or impossible real-world testing.
You'll own simulation architecture, real-time physics integration, and testbed development. If you're comfortable writing performant simulation code in Rust and Python, and you're looking to do impactful work on a system that must work the first time, this is your chance.
Key Responsibilities:
  • Design high-performance 6-DOF flight and physics simulations
  • Build simulation components that replicate real-world dynamics and sensor behavior
  • Integrate guidance, navigation, and control (GNC) logic into full-stack simulations
  • Develop Monte Carlo, Hardware-in-the-Loop (HITL), and closed-loop test infrastructure
  • Collaborate closely with flight software, autonomy, and hardware teams to ensure simulation fidelity matches real-world constraints
  • Create tooling to support scenario authoring, data visualization, and performance analysis
  • Own simulation pipeline performance and determinism across a wide range of conditions

Basic Qualifications:
  • Bachelor's degree in Computer Science or a related technical field
  • 5+ years of experience building simulations or numerical modeling frameworks
  • Proficient in Rust and Python for performance-critical and test-driven development
  • Understanding of rigid body dynamics, kinematics, numerical integration, and physics
  • Experience building tools for flight dynamics, aerospace simulation, or autonomous systems

Preferred Qualifications:
  • Experience with Monte Carlo testing, sensor emulation, and closed-loop control validation
  • Familiarity with real-time systems, latency-sensitive architectures, or distributed simulation
  • Experience deploying or validating autonomous systems (missiles, drones, satellites, or vehicles)
  • Familiarity with Rust game engines or physics libraries (e.g., Rapier, Bevy)
  • Exposure to 3D rendering for simulation visualization (e.g., WebGL, OpenGL, Three.js)
  • Contributions to aerospace open source or simulation frameworks (e.g., JSBSim, Gazebo)

Itar Requirements
  • To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C.
  • 1157, or (iv) Asylee under 8 U.S.C.
  • 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.

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