Senior Software Engineer, Backend

At Relativity Space, we are redefining the future of space exploration by constructing innovative rockets designed to meet both current requirements and future advancements. Our Terran R vehicle is set to deliver customer payloads into orbit, addressing the ever-increasing demand for launch capabilities. This is just the beginning, as achieving commercial success with the Terran R will pave the way for groundbreaking opportunities in science, exploration, and technological innovation that extends beyond the limits of our current understanding.Joining the Relativity team means being part of an environment where autonomy, ownership, and impactful contributions are encouraged at every level. Here, you won't just be executing tasks; you'll be tackling unprecedented challenges, contributing to the development of rockets, factories, and businesses from the ground up. Whether your expertise lies in propulsion, manufacturing, software, avionics, or corporate functions, you will collaborate across disciplines, influence strategic decisions, and witness your work make a tangible difference in record time. Relativity is a place where creativity and technical excellence merge, and your insights will help shape the narratives we are crafting together. This is a unique moment where you can leave a significant mark on our product, our processes, and our culture, as we propel Terran R towards its exciting future. The most rewarding work of your career awaits you. Join us.About the Team: Relativity Space is dedicated to strengthening humanity's connection to space and the universe beyond our home planet. With years of experience building top-tier technology organizations like Google, our CEO Eric Schmidt is steering Relativity into its next chapter: propelling Terran R towards launch and establishing a foundation for enduring impact.The Terrestrial Software team is tasked with laying the groundwork for an automated rocket factory and integrated launch platform. Our mission is to enhance and streamline workflows throughout the entire lifecycle of Terran R, from raw material intake to launch operations, and eventually manufacturing on Mars. Currently, this involves direct collaboration with teams across design, materials, manufacturing, and testing and launch to design, implement, and deploy innovative solutions.

Long Wall Company, founded in 2025, is at the forefront of advancing missile defense technology for the United States and its allies. We specialize in creating containerized and mass-producible missile defense systems, building upon the RS1 and GS0 launch systems. Our mission is to provide rapid, cost-effective flight testing while ensuring that the future of global security and stability is supported by defensive technology that is more affordable, higher performing, better tested, and widely accessible than ever before. We invite you to be part of this critical mission. What We SeekMission-Driven Innovators. We value team members who approach challenges with curiosity, view setbacks as opportunities for growth, and remain committed to delivering the best solutions for our mission. Ownership and Collaboration. We are looking for engineers and staff who take full responsibility for their contributions to flight-ready work and understand the importance of teamwork. The most successful engineers and professionals enhance their colleagues' abilities, leveraging complementary skills to achieve mission success.Role Overview: Senior Full Stack Software EngineerAs a Senior Full Stack Software Engineer at Long Wall, you will develop applications and tools that integrate various inputs including orbital parameters, flight sensor data, manufacturing workflows, supply chain lead times, and financial forecasts. This software serves as a robust foundation for our launch vehicle engineering and production efforts. You will also work on products that provide reliable, real-time control of testing and launch systems, contributing to every aspect of rocket building and launching.

About SonderMindAt SonderMind, we are committed to providing every individual with a personalized, connected, and effective mental health platform designed to support emotional well-being at every life stage. Our services encompass a wide range of care options, from therapy and medication management to mindfulness practices and meditation. Our clinicians utilize cutting-edge digital tools and research to enhance the quality of care and build successful practices. By merging technology with human connection, SonderMind is dedicated to fostering better mental health outcomes through a holistic approach. Discover more about us at sondermind.com or through our mobile app available on iOS and Android. Stay updated with SonderMind's latest news and insights by following us on Instagram, LinkedIn, and Twitter.We expect our team members to harness modern AI technologies within their daily tasks and to be adaptable as new tools emerge. Familiarity with AI platforms relevant to the job, such as Gemini, ChatGPT, Claude, and GitHub Copilot, is essential for success at SonderMind.About the RoleJoin us in a transformative role that is shaping the future of mental healthcare. SonderMind is on the lookout for a Staff Full Stack Engineer (Software Engineer IV) to become a vital part of our innovative team, dedicated to developing AI-powered tools that collaborate with therapists. Your role will extend beyond coding; you'll help design the future of therapy by creating software that acts as an intelligent copilot, enhancing the capabilities of providers and positively impacting the lives of countless clients.Your contributions will be crucial in enhancing our products, optimizing customer acquisition, and establishing us as leaders at the intersection of technology and mental health. This is your chance to make a significant and immediate impact on the design, implementation, and strategic direction of AI-assisted therapy.Become part of a passionate team engaged in pioneering design and architectural discussions, explore emerging technologies to advance our platform, and contribute to a mission-driven organization that values collaboration, shared success, and a positive societal impact in mental health.

Vast seeks a Senior Backend Software Engineer to guide the creation of high-performance backend systems supporting its products. This position involves shaping backend architecture and working closely with others to address complex technical challenges. Role overview This role focuses on designing and building backend systems that serve as the foundation for Vast's software solutions. The Senior Backend Software Engineer will play a key part in decisions about architecture and system performance. Collaboration Work closely with other engineers to solve difficult problems and ensure backend components integrate smoothly with the rest of the product. Impact Your contributions will directly influence the success and reliability of Vast's software offerings.

Join Vast as a Senior Software Engineer and play a pivotal role in shaping the future of space exploration. You will be instrumental in developing innovative software systems essential for the design and construction of artificial-gravity human-rated space stations. Collaborate with a dedicated team to enhance existing software and create new solutions for monitoring and controlling our spacecraft. This position offers the chance to mentor junior engineers, manage software lifecycles, and optimize automated testing and deployment systems in an environment committed to safety and excellence.

At Relativity Space, we are revolutionizing space exploration by building innovative rockets designed to fulfill present demands and future aspirations. Our Terran R vehicle is set to transport customer payloads into orbit, addressing the surging need for launch capacity. This is only the beginning; achieving commercial success with Terran R will pave the way for new avenues to enhance science, exploration, and innovation, driving progress that transcends the known.Being a part of Relativity means engaging in an environment where autonomy, ownership, and impact are felt at every level. Here, you will not merely be completing tasks; you will be tackling challenges that are yet to be solved, contributing to the development of a rocket, a factory, and a business from the ground up. Regardless of your team—whether in propulsion, manufacturing, software, avionics, or corporate functions—you will work collaboratively across departments, influence decisions, and witness your contributions come to fruition in record time. Relativity is a space where creativity and technical precision coexist, and your insights will play a vital role in shaping our collective journey. This is an exceptional moment to make your mark on the product, processes, and culture, with Terran R gaining momentum and becoming a reality. The most significant work of your career awaits you. Join us.About the Team: Our Software Systems Engineering team is crucial to the success of Terran R vehicle operations, ensuring that our software systems are robust, well-integrated, and thoroughly tested. This multidisciplinary team guarantees that the integrated software system supporting vehicle operations is functional, scalable, and ready for testing and launch activities, aligned with program schedules and risk management. We connect vehicle software, ground systems, and hardware teams to ensure seamless end-to-end system functionality. Our responsibilities cover system-level requirements development, safety engineering and analysis, software-hardware integration, risk management, system-level debugging, launch-readiness verification, and operational support. We play a pivotal role in mission success by ensuring all software components operate coherently across the entire stack—from conception to execution.

ABOUT ROCKET LABRocket Lab is a pioneering space company dedicated to making space more accessible through responsive launch services, comprehensive spacecraft design, and manufacturing. We create rockets and satellites that support vital global missions such as scientific exploration, Earth observation, and initiatives to combat climate change.Our Electron rocket has emerged as the second most frequently launched U.S. rocket, successfully delivering over 230 satellites to orbit. We are also developing Neutron, a medium-lift, reusable launch vehicle for larger constellation deployments. Our Space Systems division designs and manufactures an extensive range of satellites, payloads, and components, including hardware for NASA missions to the Moon and Mars, and for the James Webb Space Telescope.SPACE SYSTEMS TEAMThe Space Systems team at Rocket Lab is at the forefront of satellite technology, responsible for the design and assembly of satellites and their components. Our team combines engineers, technicians, and designers who work on innovative solutions for commercial, government, and defense sectors, building hardware and software to support a variety of missions.POSITION OVERVIEWWe are looking for a highly skilled Principal Software Engineer / Senior Principal Software Engineer to take on the role of Chief Software Engineer for a major constellation program. In this critical position, you will lead the design, development, and implementation of scalable, reliable, and mission-critical software systems for space-based applications.

Relativity Space develops rockets and technology designed to meet the growing demand for orbital launch capacity. The Terran R vehicle is central to this effort, aiming to deliver customer payloads to orbit and support a new wave of scientific and commercial missions. Achieving success with Terran R will help open new paths for research, exploration, and technical progress in aerospace. Team members at Relativity Space work with a high level of autonomy and ownership, contributing directly to the design and development of rockets, manufacturing systems, and new business models. The company values collaboration across disciplines, inviting engineers from areas like propulsion, manufacturing, software, and avionics to shape decisions and see their work realized quickly. Creativity and technical skill are both essential, and every contribution helps define the company’s products, processes, and culture. Interplanetary Sciences Program This program focuses on expanding access to scientific missions across the solar system. The team’s mission is to make planetary research faster, more affordable, and more efficient by rethinking how science missions are designed, built, and operated. The goal is to give scientists the ability to send instruments to distant worlds without long development cycles or high costs. By building a sustainable approach to interplanetary exploration, the program aims to turn space science into an ongoing journey, accelerate discoveries, and inspire future explorers.

Role Overview Rocket Lab USA, Inc. is hiring a Senior Software Engineer I in Long Beach, CA. This role focuses on building software solutions that support the company’s rocket technologies and space missions. What You Will Do Design, implement, and optimize software systems for rocket and mission support Work closely with other engineers to deliver reliable, high-quality code Contribute to the development of tools and systems that enable Rocket Lab’s space access initiatives Collaboration Senior Software Engineers at Rocket Lab work in cross-functional teams, sharing ideas and technical insight to solve complex engineering challenges together.

At Relativity Space, we are revolutionizing the aerospace industry by constructing rockets that cater to current demands and future advancements. Our Terran R rocket is engineered to transport customer payloads to orbit, addressing the increasing need for launch capabilities. This is just the beginning; achieving commercial success with the Terran R will create new avenues for scientific progress, exploration, and innovation, pushing the boundaries of what is known.Becoming a part of Relativity Space means immersing yourself in an environment where autonomy, ownership, and impact are integral to every role. Here, you are not merely completing tasks; you are tackling unprecedented challenges, aiding in the development of a rocket, a manufacturing facility, and a business from the ground up. Regardless of whether your expertise lies in propulsion, manufacturing, software, avionics, or corporate functions, you will engage in cross-functional collaboration, influence key decisions, and witness your contributions materialize at an unprecedented pace. Relativity is a space where innovation and technical excellence coexist, and your insights will shape the narratives we create together. This is a pivotal moment in our journey; it’s early enough for you to make an indelible impact on our product, processes, and culture, yet advanced enough that the Terran R is tangible and gaining traction. The most significant work of your career awaits. Join us.About the Team:The success of our Terran R vehicle operations depends on highly integrated, robust, and thoroughly tested software systems. The Software Systems Engineering team is a multidisciplinary group responsible for guaranteeing that the integrated software system supporting vehicle operations is functional, scalable, and performant, ready for testing and launch in accordance with program timelines and risk management protocols. We connect vehicle software with ground systems and hardware teams to ensure reliable end-to-end system performance. Our focus encompasses system-level requirements development, safety engineering and analysis, software-hardware integration, risk management, system-level debugging, launch readiness verification, and operational support. We are vital to mission success, ensuring that all software components operate synchronously across the entire stack—from conceptualization to launch.

ABOUT ROCKET LABRocket Lab is a pioneering space technology company dedicated to providing agile launch services, comprehensive spacecraft design and manufacturing, alongside payloads and satellite components, all with the mission of democratizing access to space. The rockets and satellites we engineer and launch support some of the most ambitious and critical space missions worldwide, including scientific exploration, Earth observation, climate change initiatives, national security, and innovative technology demonstrations.Our Electron rocket has established itself as the second most frequently launched U.S. rocket on an annual basis, successfully deploying over 230 satellites into orbit. Simultaneously, we are developing Neutron, our forthcoming medium-lift, reusable launch vehicle designed for large constellation deployments. Our Space Systems division is responsible for designing and manufacturing a diverse array of satellites, payloads, and components, including spacecraft selected for NASA's missions to the Moon and Mars, as well as components utilized in the James Webb Space Telescope.SPACE SYSTEMSAt Rocket Lab, we’re not just launching rockets — we are forging the future of space exploration. Our Space Systems team is responsible for the development of everything from complete spacecraft and precision payloads to the components and subsystems essential for their success in space, such as solar panels, flight software, star trackers, optical systems, separation systems, and radios.Having facilitated over 1,700 missions ranging from interplanetary exploration to in-space manufacturing and national security, our team has built spacecraft, payloads, and components for missions to both the Moon and Mars, collaborating with notable partners including NASA, the Space Development Agency, and the U.S. Space Force. Whether delivering a singular high-performance spacecraft or an entire constellation, our elite Space Systems team is empowering some of the most daring and ambitious space missions.SENIOR FLIGHT SOFTWARE ENGINEER I/II - SECRET CLEARANCEWe are currently in search of a Senior Flight Software Engineer I/II for our headquarters located in Long Beach, CA. In this pivotal role, you will contribute significantly to the development...

ABOUT ROCKET LABRocket Lab is a pioneering end-to-end space company that offers responsive launch services, comprehensive spacecraft design and manufacturing, payloads, satellite components, and more. Our mission is to democratize access to space, enabling groundbreaking scientific exploration, Earth observation, and initiatives addressing climate change and national security.Our Electron rocket has rapidly become the second most frequently launched rocket in the U.S., successfully delivering over 230 satellites to orbit. We are also developing Neutron, our new medium-lift, reusable launch vehicle aimed at supporting larger constellation deployments. Our Space Systems division is at the forefront of designing and building a wide array of satellites and their components, including spacecraft selected for NASA's missions to the Moon and Mars, as well as components utilized on the James Webb Space Telescope.SPACE SYSTEMSAt Rocket Lab, we are not merely launching rockets; we are building the future of space. Our Space Systems team is responsible for creating everything from complete spacecraft and precision payloads to the essential components that ensure their success in space, including solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.This team has facilitated over 1,700 missions, ranging from interplanetary exploration and in-space manufacturing to national security and defense projects. Collaborating with esteemed partners like NASA, the Space Development Agency, and the U.S. Space Force, our team develops high-performance spacecraft, constellations, and vertically integrated components that propel these ambitious missions.SENIOR GROUND SOFTWARE ENGINEER I - TS/SCIAs a Senior Ground Software Engineer I - TS/SCI at Rocket Lab's Long Beach, CA site, you will be instrumental in crafting innovative spacecraft ground software for our diverse Space Systems missions. Your contributions will play a vital role in advancing our operational capabilities and mission success.

At Relativity Space, we are revolutionizing space technology by developing cutting-edge rockets designed to meet the demands of today and the aspirations of tomorrow. Our Terran R vehicle is set to deliver customer payloads to orbit, addressing the increasing need for launch capacity. This is just the beginning—success with Terran R will pave the way for groundbreaking advancements in science, exploration, and innovation, pushing the boundaries of what is known.When you join Relativity, you become part of a dynamic environment where autonomy, ownership, and significant impact are integral to our mission. Here, you’re not just completing tasks; you’re tackling unprecedented challenges in the creation of a rocket, a factory, and an entire business from the ground up. In any role—be it in propulsion, manufacturing, software, avionics, or corporate functions—you’ll work collaboratively across teams, influence decisions, and witness your contributions come to fruition rapidly. Relativity is a place where creativity meets technical excellence, and your insights will shape the narratives we create together. This is a unique moment in our journey—early enough for you to make your mark on the product, process, and culture, yet advanced enough that Terran R is tangible and gaining momentum. The most impactful work of your career awaits. Join us.About the Team: Relativity Space is committed to enhancing humanity's connection to space and the universe beyond. Under the guidance of CEO Eric Schmidt, who has decades of experience in scaling premier technology organizations like Google, we are advancing Terran R toward launch and laying the groundwork for long-term impact.The Terrestrial Software team is at the forefront of creating an automated rocket manufacturing facility and integrated launch platform. Their mission is to automate and optimize workflows throughout the entire Terran R lifecycle, from raw material intake to launch operations, and eventually manufacturing on Mars. Currently, this involves direct collaboration with teams across design, materials, manufacturing, testing, and launch to design, implement, and deploy innovative solutions.

At Relativity Space, we are at the forefront of rocket innovation, building groundbreaking vehicles like the Terran R to cater to today's launch demands and future explorations. Our mission transcends mere payload delivery; we aim to unlock new realms of scientific discovery and technological advancement.Joining our team means becoming part of a culture that values autonomy, ownership, and impactful contributions at every level. Here, you're not just executing tasks; you are addressing unprecedented challenges and shaping the future of aerospace technology. Whether your expertise lies in software, propulsion, manufacturing, or avionics, you will collaborate across disciplines, influence strategic decisions, and witness your contributions come to life rapidly. Relativity is a dynamic environment where creativity meets technical excellence, and your input will help craft our collective narrative. This is a rare opportunity to make a significant impact on our products, processes, and company culture as we advance the Terran R project—an exciting phase of development that is gaining momentum.

True Anomaly, Inc. is advancing new technology for space security and sustainability. The team is growing in Denver, CO and Long Beach, CA, and seeks experienced engineers ready to solve complex challenges in spacecraft software and security. About True Anomaly True Anomaly builds technologies that combine spacecraft, software, and AI to strengthen the capabilities of the U.S., its allies, and commercial partners. The mission: keep space accessible and secure for all, supporting critical areas like communications, navigation, and logistics. Values Be the offset. Creativity and ingenuity drive asymmetric advantages. What would it take? The team pushes boundaries to reach ambitious goals. It’s the people. Success depends on a strong, collaborative team. Role Overview: Senior Embedded Security Engineer - Flight Software This role focuses on strengthening the security of software running on True Anomaly’s space vehicles. The Senior Embedded Security Engineer works alongside engineers from multiple disciplines to develop and secure flight software, meeting strict safety-critical standards. What You Will Do Collaborate with flight software engineers to integrate security best practices throughout the development lifecycle. Serve as a security subject matter expert for embedded software. Establish secure coding standards and design security testing frameworks. Guide the team in enforcing security controls for resource-constrained embedded environments. Implement and audit secure boot processes and firmware validation. Develop and review cryptographic implementations and runtime hardening measures. Create systems for memory safety, secret and key material management, and secure inter-process and inter-device communication. This position suits engineers who thrive at the intersection of embedded systems and security, enjoy solving technical problems in safety-critical environments, and want to shape the security architecture of future space systems. Early team members will have a lasting impact on spacecraft security and operations.

At Vast, we are on a bold mission to shape a future where billions of individuals thrive in the cosmos. Our focus is on developing cutting-edge space stations designed to ensure a sustained human presence in space for the United States and its allies. This innovation will facilitate advanced microgravity research, manufacturing, and unlock a burgeoning space economy for government, corporate, and private clients. With a strategic, hardware-centric, and cost-effective approach, Vast is rapidly advancing its multi-module Haven Station, which successfully demonstrated capabilities in 2025, making us the only operational commercial space station company to autonomously fly and manage our own spacecraft. Following this, Haven-1 is slated to be the world's first commercial space station upon its launch, paving the way for additional Haven modules to support a permanent human presence by 2030. Our dedicated team is fully committed to executing our mission safely and efficiently. If you're eager to collaborate with the brightest minds on Earth to propel humanity's exploration of space, we invite you to join us.Vast is actively seeking a Senior Software Engineer, Enterprise Applications, who will report to the Senior Manager of Enterprise Applications. This role is pivotal in supporting the development of systems essential for the design and construction of artificial-gravity, human-rated space stations.This is a full-time, exempt position based in our Long Beach office.

Join vast as a Staff Software Engineer specializing in AI Tooling. In this dynamic role, you will lead the development of state-of-the-art AI tools that enhance our product offerings. You will collaborate with cross-functional teams to design, implement, and optimize software solutions that leverage advanced AI methodologies.

At Vast, we are on a transformative mission to pave the way for humanity's thriving future in space. We are developing cutting-edge space stations designed to ensure a permanent human presence in orbit, enabling groundbreaking microgravity research and manufacturing while contributing to a burgeoning space economy. Our innovative, hardware-focused, and cost-effective approach has accelerated the development of our multi-module Haven Station. Following the successful Haven Demo in 2025, Vast has become the only operational commercial space station company to independently fly and operate its own spacecraft. With Haven-1 poised to be the world’s first commercial space station, we are set to launch additional modules to sustain a permanent human presence by 2030. Our dedicated team is fully committed to achieving our mission with the utmost safety and precision. If you aspire to collaborate with some of the brightest minds in the industry, driving forward the frontiers of space exploration, we invite you to join us.We are currently seeking a Senior Flight Software Engineer to join our dynamic Flight Software team, reporting directly to the Senior Manager of Flight Software. In this pivotal role, you will support the development and integration of systems necessary for designing and constructing artificial-gravity, human-rated space stations.This is a full-time, exempt position based in our Long Beach, California office.Your responsibilities will include developing fault-tolerant software for safety-critical systems while collaborating closely with our avionics team to integrate flight software with avionics hardware. You will be part of a collaborative environment that views the debugging and error-correction process as an opportunity for growth and team strengthening, continually enhancing our workflows and product quality.

Join Our Mission at Odys AviationAt Odys Aviation, we are driven by a simple yet profound mission: to revolutionize air travel by creating safe and sustainable aircraft that significantly reduce travel time on the world's busiest routes. Our flagship aircraft, Alta, allows travelers to bypass the congestion of large airports by utilizing city helipads and local airports for journeys under 1,000 miles (accounting for approximately 40% of all flights). Notably, we aim to lower CO2 emissions by 76% across billions of flight miles globally.To achieve this, we are launching our UAV, Laila, which is designed for commercial logistics, medical transport, humanitarian efforts, disaster response, and defense missions. Our partnerships with industry leaders like Fiji Airways, Honeywell, and Aramex, as well as the US Navy, are set to roll out in 2026, with firm orders already secured.Our team comprises expert engineers hailing from deep tech and aerospace backgrounds, dedicated to rapid iteration processes and mastery of the aircraft certification journey. We bring experience from developing custom drones, launching multiple automotive platforms, and electrifying innovative transportation solutions. Together, we have been preparing our entire lives to tackle this ambitious challenge.About the RoleAre you excited about designing and integrating the software systems that empower advanced unmanned aircraft to operate autonomously and efficiently? If you excel at the junction of embedded development, real-time data processing, and intricate system integration, we invite you to consider joining our engineering team as a Software Engineer – Systems Integration.In this pivotal role, you will play a key part in the design, implementation, and integration of our on-board and ground software architectures, facilitating robust command and control, payload management, and autonomous operations. Collaborating closely with avionics and software engineering teams, you will help propel our mission forward.