Principal Software Engineer (Python) CotalityPrincipal Software Engineer (Python)Irvine, CaliforniaEstablish Systematic Evaluation: Collaborate with Knowledge Engineering and Data Science teams to replace "vibe checks" with rigorous automated testing frameworks, utilizing metrics like Faithfulness, Answer Relevance, and Context Precision (RAGAS) to ensure quality during rapid scaling. Model Optimization (LLM & SLM): Partner with the Data Science team to architect intelligent routing logic that leverages Small Language Models (SLMs) for high-speed classification/extraction and Large Language Models (LLMs) for complex synthesis.
Principal Software Engineer ViantPrincipal Software EngineerIrvine, CA$190,000–$260,000 / yearYou will serve as the technical lead working with a team of engineers to oversee the design and implementation of these interconnected services, ensuring that the system evolves to keep pace with the speed, scale and agility that modern day systems are expected to support. Viant uniquely combines proprietary content intelligence, household-level identity resolution, and person-level attention signals to connect advertisers with real customers and drive measurable outcomes across the open internet.
Staff Software Engineer, Storage Platform Relativity SpaceStaff Software Engineer, Storage PlatformLong Beach, CA$181,000–$271,000 / yearAbout the Role: Own the complete storage platform software stack for a space-based data center: custom Linux kernel drivers, OpenZFS pool design, NFS data serving, and automated fault recovery, shipping a platform that preserves up to a petabyte of mission data through years of radiation exposure. Design and implement custom Linux kernel drivers for NVMe fault recovery and GPIO overcurrent protection, working across PCI/PCIe, block layer, and interrupt subsystems to detect and recover from radiation-induced upsets without data loss.
Full Stack Software Engineer SansFull Stack Software EngineerCulver City, CAWe started with a category-leading air purifier before expanding to a best-in-class countertop water purifier that actually works to eliminate harmful contaminants – and our product roadmap is just getting started. Maintain and expand integrations across our ecommerce stack, including Klaviyo, Attentive, Gorgias, and similar platforms, with clear ownership of APIs, webhooks, and data flows.
Software Engineer, Backend, Level 5 SnapchatSoftware Engineer, Backend, Level 5Santa Monica, Nebraska$209,000–$313,000 / yearThe Company operates Snapchat , a visual messaging app that enhances your relationships with friends, family, and the world, and Specs Inc. , a wholly-owned subsidiary dedicated to making computing more human, in addition to Bitmoji , Saturn, and other digital services. 6+ years of post-Bachelor’s software development experience; or Master’s degree in a technical field + 5+ year of post-grad software development experience; or PhD in a relevant technical field + 2+ years of post-grad software development experience.
Software Engineer, Android, Level 5 SnapchatSoftware Engineer, Android, Level 5Santa Monica, Nebraska$209,000–$313,000 / year6+ years of post-Bachelor’s software development experience; or Master’s degree in a technical field + 5+ year of post-grad software development experience; or PhD in a relevant technical field+ 2 years of post-grad software development experience; or PhD in a relevant technical field. The Company operates Snapchat , a visual messaging app that enhances your relationships with friends, family, and the world, and Specs Inc. , a wholly-owned subsidiary dedicated to making computing more human, in addition to Bitmoji , Saturn, and other digital services.
Software Engineer, Backend, Level 5 - Ads Delivery SnapchatSoftware Engineer, Backend, Level 5 - Ads DeliveryLos Angeles, CA$209,000–$313,000 / yearThe Company operates Snapchat, a visual messaging app that enhances your relationships with friends, family, and the world, and Specs Inc., a wholly-owned subsidiary dedicated to making computing more human, in addition to Bitmoji, Saturn, and other digital services. 6+ years of post-Bachelor's software development experience; or Master's degree in a technical field + 5+ year of post-grad software development experience; or PhD in a relevant technical field + 2+ years of post-grad software development experience.
Sr. Full Stack Engineer (Application Software) SpaceXSr. Full Stack Engineer (Application Software)Hawthorne, CA$165,000–$230,000 / yearThe application software team is the central nervous system of SpaceX – we create mission critical applications that are used throughout SpaceX to accelerate launch vehicle production and flight as well as systems that allow Starlink to grow into a worldwide fast, reliable Internet service. Other applications range from platforms that support concurrent streams of data from many always-on assets to manage the world’s largest satellite constellation to public facing systems where customers can join our Starlink network globally.
Software Engineer, Space Systems Test ANDURIL INDUSTRIESSoftware Engineer, Space Systems TestCosta Mesa, CA$166,000–$220,000 / yearThis role focuses on creating robust, extensible, and automated test platforms and software, intended to be used by Anduril engineers for testing at all levels of integration, including unit-level testing, bus testing, testing technology-differentiated payloads, and testing full space vehicle systems. We're developing fully integrated hardware and software systems, including Lattice for Space Missions and modular payloads, to address growing threats in space and ensure our Guardians maintain a decisive advantage in this contested warfighting domain.
Senior Embedded Systems Software Engineer Neon AerospaceSenior Embedded Systems Software EngineerIrvine, California$150,000–$175,000 / yearThis role sits at the intersection of embedded platform software, and system-level control logic owning the supervisory control layers that coordinate actuators, motor drives, and flight-level systems. You will architect and implement system control logic, state machines, sequencing, diagnostics, and communication interfaces that ensure safe, deterministic operation across complex aerospace systems.
Software Engineer, Mission Autonomy Mach IndustriesSoftware Engineer, Mission AutonomyHuntington Beach, CAYou should be able to write production-quality C++ and Python, reason about complex autonomous behavior, debug integrated software and vehicle systems, and take capabilities from initial concept through simulation, flight test, and operational deployment. Experience participating in flight testing, range operations, or field deployment of experimental systems and working through the practical challenges of real-world operations.
Sr. Embedded Software Engineer, High-Performance Signal Processing Mach IndustriesSr. Embedded Software Engineer, High-Performance Signal ProcessingHuntington Beach, CATesting: Ability to debug, test and validate embedded software using functional tests, logic/protocol analyzers and lab tests to ensure the functionality of embedded software. Execution: Strong grasp of full software development life cycle and ability to execute and thrive in a fast-paced, high-iteration environment, delivering frequent software updates with speed and precision.
Software Engineer, Simulations (Application Software) SpaceXSoftware Engineer, Simulations (Application Software)Hawthorne, CA$125,000–$145,000 / yearTo 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. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.
Simulation Software Engineer (Application Software) SpaceXSimulation Software Engineer (Application Software)Hawthorne, CA$125,000–$145,000 / yearTo 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. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.
NewSoftware Engineer, Simulations (Application Software) Space Exploration TechnologiesSoftware Engineer, Simulations (Application Software)Hawthorne, CA$125,000–$150,000 / yearITAR 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. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.
Software Engineer, Simulations Application Software Space Exploration Technologies CorpSoftware Engineer, Simulations Application SoftwareHawthorne, CA$125,000–$150,000 / yearITAR 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. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.
Simulation Software Engineer Application Software Space Exploration Technologies CorpSimulation Software Engineer Application SoftwareHawthorne, CA$125,000–$150,000 / yearITAR 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. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.
Software Engineer, Site Reliability Engineering (Application Software) SpaceXSoftware Engineer, Site Reliability Engineering (Application Software)Hawthorne, CA$125,000–$160,000 / yearWe value smart, motivated, collaborative engineers who treat teammates with fairness, respect, and support, and who want to take full ownership of challenging problems to help make humanity multi-planetary. 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.
DevOps Engineer SecureAuthDevOps EngineerIrvine, CaliforniaAutomated deployments to AWS or other cloud infrastructures using popular frameworks and technologies (Ansible, Puppet, Chef, etc.). Collaborate with software engineers and QAs to refine/improve our continuous delivery and deploy systems on top of Kubernetes for on-premise and cloud technologies.
NewSr. Software Engineer (Flight Reliability) Space Exploration TechnologiesSr. Software Engineer (Flight Reliability)Hawthorne, CA$160,000–$225,000 / yearThe Flight Reliability software team creates mission critical applications that are used throughout SpaceX to accelerate launch vehicle production and flight as well as systems that allow Starlink to grow into a worldwide fast, reliable Internet service. 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.