Senior Flight Software Engineer Apex TechnologySenior Flight Software EngineerLos Angeles, CaliforniaFor the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. Support commissioning of spacecraft during launch and early operations and ensure software systems remain functional during critical operations.
Application Software Engineer K2 SpaceApplication Software EngineerLos Angeles, CaliforniaBacked by $450M from leading investors including Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, Alpine Space Ventures, and others – with an additional $500M in signed contracts across commercial and US government customers – we’re mass-producing the highest-power satellite platforms ever built for missions from LEO to deep space. Engineered to survive the harshest radiation environments and to fully capitalize on today’s and tomorrow’s massive rockets, K2 satellites deliver unmatched capability at constellation scale and across multiple orbits.
All Levels: Backend Software Engineer Hadrian AutomationAll Levels: Backend Software EngineerTorrance, CaliforniaBacked by leading investors including JPMorgan Chase, Valor Equity Partners, Andreessen Horowitz, Founders Fund, 137 Ventures, Lux Capital, T. Rowe Price, and Morgan Stanley, we’re building the future of American manufacturing—and looking for exceptional people to help make it happen. Candidates for this role could end up working with several of our internal products and teams: Flow is Hadrian’s FactoryOS, our core platform comprised of applications that model, manage, and automate an extremely complex network of factories.
All Levels: Frontend Software Engineer Hadrian AutomationAll Levels: Frontend Software EngineerTorrance, CaliforniaBacked by leading investors including JPMorgan Chase, Valor Equity Partners, Andreessen Horowitz, Founders Fund, 137 Ventures, Lux Capital, T. Rowe Price, and Morgan Stanley, we’re building the future of American manufacturing—and looking for exceptional people to help make it happen. Candidates for this role could end up working with a number of our internal products and teams: Flow is Hadrian’s FactoryOS, our core platform comprised of a variety of applications that model, manage, and automate an extremely complex network of factories.
All Levels: Frontend Software Engineer HadrianAll Levels: Frontend Software EngineerLos Angeles, CA$120,000–$300,000 / yearBacked by leading investors including JPMorgan Chase, Valor Equity Partners, Andreessen Horowitz, Founders Fund, 137 Ventures, Lux Capital, T. Rowe Price, and Morgan Stanley, we're building the future of American manufacturing-and looking for exceptional people to help make it happen. Candidates for this role could end up working with a number of our internal products and teams: Flow is Hadrian's FactoryOS, our core platform comprised of a variety of applications that model, manage, and automate an extremely complex network of factories.
Software Engineer (Hardware-in-the-Loop) Radiant IndustriesSoftware Engineer (Hardware-in-the-Loop)El Segundo, CaliforniaIn this role, you will be responsible for end-to-end development, including defining system requirements; supporting hardware sourcing and development; developing the software architecture; developing and maintaining the HiL software; developing and maintaining test automation; and supporting integration testing. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases.
Software Engineer-Systems 4 LancesoftSoftware Engineer-Systems 4El Segundo, CA$91.70This senior position requires proven experience within the software ecosystem, a unique background of project experience, and the clear exhibition of superior judgment and decision making to engineer new solutions and capabilities. Our team creates software tools and services for the world’s highest performing satellite/ground systems for USG and Commercial customers.
Application Software Engineer K2 Space CorpApplication Software EngineerLos Angeles, CABacked by $450M from leading investors including Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, Alpine Space Ventures, and others - with an additional $500M in signed contracts across commercial and US government customers - we're mass-producing the highest-power satellite platforms ever built for missions from LEO to deep space. Engineered to survive the harshest radiation environments and to fully capitalize on today's and tomorrow's massive rockets, K2 satellites deliver unmatched capability at constellation scale and across multiple orbits.
Sr. Software Engineer TapcartSr. Software EngineerSanta Monica, CaliforniaYou'll be a true owner, from prototype to production, and work side‑by‑side with the CEO, design, and key stakeholders, all while staying close to merchants to deliver value early and iterate quickly. You prefer the dopamine of working on software that will get into hundreds of millions of users' hands, vs working on enterprise, forward-deployed software.
Sr. Software Engineer - B2b- AXS AEG WorldwideSr. Software Engineer - B2b- AXSLos Angeles, CA$130,000–$150,000 / yearWe are committed to innovation, artistry, and community, and leverage the power of our 300+ venues, leading sports franchises, marquee music brands, integrated entertainment districts, premier ticketing platform and global sponsorship activations, to create memorable moments that give the world reason to cheer. Since our founding in 2011, we've consistently pushed the industry forward and improved experiences for fans, making it easier than ever to discover events, find the perfect seats, and enjoy unforgettable live entertainment, and we continue to lead the evolution of our industry today.
Senior Software Engineer, Core Platform RedditSenior Software Engineer, Core PlatformLos Angeles, CARemote$190,800–$267,100 / yearYou'll draw on your technical expertise to ensure these systems have high uptime and strong performance while working with others to build a roadmap to match the needs of an ever growing engineering organization. Core Platform is responsible for the APIs that build our listings, enabling posts, comments, media and many more features and data models that are the sources of truth for Reddit.
Field Software Engineer CHAOS IndustriesField Software EngineerEl Segundo, California$140,000–$240,000 / yearThis position offers an exciting opportunity to contribute to the design, development, and deployment of innovative RF capabilities, with a focus on enhancing systems, sensors, and platforms for national security applications including UAS (Unmanned Aerial Systems) surveillance systems and integrated air and missile defense. Compensation Components: Competitive base salaries, generous pre-IPO stock option grants, relocation assistance, and (coming soon!) annual bonuses.
Sr. Software Engineer - B2B- AXS AEG WorldwideSr. Software Engineer - B2B- AXSLos Angeles, California$130,000–$150,000 / yearWe are committed to innovation, artistry, and community, and leverage the power of our 300+ venues, leading sports franchises, marquee music brands, integrated entertainment districts, premier ticketing platform and global sponsorship activations, to create memorable moments that give the world reason to cheer. Since our founding in 2011, we’ve consistently pushed the industry forward and improved experiences for fans, making it easier than ever to discover events, find the perfect seats, and enjoy unforgettable live entertainment, and we continue to lead the evolution of our industry today.
Software Systems Engineer Booz Allen HamiltonSoftware Systems EngineerEl Segundo, California$86,800–$198,000 / yearYou’ll collaborate with software developers, cyber engineers, SATCOM operators, systems engineers, and acquisition leads to ensure the software remains aligned with mission needs and integrates effectively with the broader SATCOM enterprise. Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Senior Ground Software Engineer Rethink recruitSenior Ground Software EngineerLos Angeles, CaliforniaYou will build frontend and backend software for mission planning, operator workflows, vehicle supervision, telemetry handling and visualization, data review, post-mission analysis, and remote mission-control workflows. • Experience building telemetry pipelines, data-ingestion systems, data-processing workflows, time-series data systems, or comparable systems handling real-world operational data.
Software Engineer, Data - Top Secret Clearance (Starlink) SpaceXSoftware Engineer, Data - Top Secret Clearance (Starlink)Hawthorne, CA$125,000–$160,000 / yearBachelor's degree in computer science, data science, engineering, math, physics, or scientific discipline; OR 2+ years of professional experience building software in lieu of a degree. 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.
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.