Senior Backend Software Engineer jobs in Long Beach – Page 2 | RoboApply Jobs

Senior Backend Software Engineer jobs in Long Beach· Page 2

Results 21–40 of 471 for “Senior Backend Software Engineer” in Long Beach.

471 jobs found

21 - 40 of 471 Jobs
Apply
Odys Aviation logo
Full-time|On-site|Long Beach CA

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 lo…

Nov 20, 2025
Apply
Odys Aviation logo
Full-time|On-site|Long Beach CA

About Odys AviationAt Odys Aviation, our mission is clear - to design and manufacture safe, sustainable aircraft that significantly reduce travel times on the world's busiest air routes. Our flagship aircraft, Alta, allows travelers to bypass the inconveniences of large airports by utilizing city helipads and local airstrips for flights under 1,000 miles (which represent approximately 40% of all flights). This innovation aims to reduce CO2 emissions by an impressive 76% across tens of billions of flight miles globally.To achieve this, we are developing our UAV, Laila, designed for commercial logistics, medical transport, humanitarian efforts, disaster relief, and defense operations. We are collaborating with launch partners such as Fiji Airways, Honeywell, Aramex, and the US Navy, with the goal of launching in 2026 and already having firm orders under contract.Our team consists of skilled engineers from deep tech and aerospace backgrounds, dedicated to rapid iteration cycles and excellence in aircraft certification. Our previous work includes developing custom drones, bringing various automotive platforms into production, and innovating electrified transportation solutions that can levitate, roll, and fly. Together, we are committed to learning, building, testing, and preparing for this monumental challenge.About the RoleAs a Staff Propulsion Controls & Software Engineer at Odys Aviation, you will play a crucial role in the development of hybrid-electric aircraft that facilitate sustainable regional air travel. You will be responsible for the design and implementation of controls, embedded software, and simulation infrastructure that support our SiC-based propulsion power electronics across the Laila UAV and the Alta Hybrid-electric VTOL programs.

May 4, 2026
Apply
Relativity logo
Full-time|On-site|Long Beach, California

As a Senior Manager of Integrated Test Engineering at Relativity, you'll lead a dynamic team responsible for ensuring the highest quality in our software products. You will drive innovation and excellence in testing methodologies, and your leadership will be key in shaping the future of our engineering processes.

Apr 7, 2026
Apply
Rocket Lab logo
Full-time|$110K/yr - $130K/yr|On-site|Long Beach, CA

ABOUT ROCKET LABRocket Lab is a pioneering space company that provides comprehensive launch services, innovative spacecraft design and manufacturing, as well as payload and satellite components, all aimed at expanding access to space. Our rockets and satellites facilitate some of the most ambitious space missions worldwide, contributing to scientific exploration, Earth observation, climate change initiatives, national security, and groundbreaking technological demonstrations.Our Electron rocket is now the second most frequently launched U.S. rocket each year, having successfully delivered more than 230 satellites into orbit. We are also in the process of developing Neutron, a medium-lift, reusable launch vehicle designed for deploying larger satellite constellations. Our Space Systems division designs and manufactures a vast array of satellites, payloads, and components, including spacecraft that have been selected for critical NASA missions to the Moon and Mars and components utilized in the James Webb Space Telescope.SPACE SYSTEMSAt Rocket Lab, we are not just launching rockets; we are shaping the future of space exploration. Our Space Systems team develops everything from complete spacecraft and precision payloads to the essential components and subsystems that enable them to operate effectively in space, such as solar panels, flight software, star trackers, optical systems, and radios.This team has enabled over 1,700 missions, encompassing interplanetary exploration, in-space manufacturing, and national defense initiatives. We’ve crafted spacecraft, payloads, and components for missions to the Moon and Mars, collaborating with esteemed partners like NASA, the Space Development Agency, and the U.S. Space Force. Whether it’s a singular high-performance spacecraft, a constellation, or the integrated components that facilitate their journey into space, our exceptional Space Systems team empowers some of the most ambitious space missions ever conceived.FLIGHT SOFTWARE ENGINEER IIWe are on the lookout for a Flight Software Engineer II to join our dedicated team at our headquarters in Long Beach, CA. In this pivotal role, you will contribute to the development of flight software for our innovative spacecraft and systems.

May 4, 2026
Apply
Speechify logo
Full-time|On-site|Long Beach, CA, USA

Role Overview Speechify is looking for an iOS Core Product Software Engineer in Long Beach, CA. This role focuses on building and refining iOS applications that help users get more from technology. The work centers on developing features and tools that make the user experience smooth and engaging. What You Will Do Design and implement core features for Speechify’s iOS app Collaborate with other engineers to deliver reliable, high-quality code Work to improve app performance and usability Contribute ideas and solutions to enhance the overall product

Apr 25, 2026
Apply
Speechify logo
Full-time|On-site|Long Beach, CA, USA

Join Speechify as a Software Engineer specializing in Data Infrastructure & Acquisition. In this dynamic role, you will be responsible for designing and implementing robust data systems that enhance our product offerings and improve user experience. Collaborate with cross-functional teams to drive data strategy and optimize acquisition workflows.

Apr 30, 2026
Apply
Relativity Space logo
Full-time|$124K/yr - $181.5K/yr|On-site|Long Beach, California

At Relativity Space, we are revolutionizing the aerospace industry by designing and constructing rockets that meet current demands and pave the way for future innovations. Our Terran R vehicle is set to deliver customer payloads to orbit, addressing the increasing need for launch capacity. This is merely the beginning; achieving commercial success with Terran R will open new avenues for scientific advancement, exploration, and groundbreaking innovations that extend beyond our existing understanding.Joining Relativity means becoming part of an environment where autonomy, ownership, and impactful contributions are paramount. Here, you won't merely perform tasks; you'll tackle unprecedented challenges, contributing to the development of a rocket, a factory, and an entire business from the ground up. Regardless of whether you are in propulsion, manufacturing, software, avionics, or a corporate role, collaboration across teams is essential, allowing you to influence decisions and witness your contributions come to life in record time. Relativity fosters a culture where creativity and technical excellence coexist, and your insights will shape the narratives we create together. This is a unique moment where you can leave a lasting impact on our product, processes, and culture, as the Terran R project gains momentum and becomes more tangible. The most fulfilling work of your career awaits. Join us.About the Team: The Structures and Mechanisms team oversees the entire design, production, and testing lifecycle of Terran R's integrated structures and flight mechanisms. Whether you are developing sophisticated mechanisms that facilitate movement or designing tight-margin structures, you'll have hands-on ownership of hardware and witness the rocket taking shape on the factory floor. Both teams work cohesively under one department, sharing design principles, tools, and an integrated approach that offers a holistic perspective of Terran R. Team members engage with multiple components rather than being limited to a single subsystem, empowering them to make decisions that significantly influence flight hardware. Beyond the first flight, you will play a vital role in enhancing manufacturability and efficiency.

Feb 13, 2026
Apply
True Anomaly Inc. logo
Full-time|On-site|Denver, CO or Long Beach, CA or Washington, DC

Role overview True Anomaly Inc. seeks a Senior Compliance Engineer to join the team in Denver, CO, Long Beach, CA, or Washington, DC. The position centers on maintaining alignment between company systems, processes, and industry regulations. What you will do Create and refine compliance frameworks that fit the organization’s needs Carry out audits to evaluate how well standards are being met Collaborate with teams throughout the company to spot and address risks Help strengthen operational effectiveness by applying compliance best practices

Apr 24, 2026
Apply
Relativity Space logo
Full-time|$132K/yr - $181.5K/yr|On-site|Long Beach, California

At Relativity Space, we are revolutionizing the aerospace industry by constructing advanced rockets that meet the demands of today while paving the way for tomorrow's discoveries. Our Terran R vehicle is designed to transport payloads into orbit, addressing the increasing need for launch capacity. This is just the beginning; achieving commercial success with Terran R will open doors to new possibilities in science, exploration, and innovation, pushing the boundaries of what we know.By joining Relativity, you will engage in a culture that values autonomy, ownership, and significant impact at every level. Here, you will not merely fulfill tasks; you will tackle unprecedented challenges, contributing to the development of rockets, manufacturing processes, and a dynamic business environment from the ground up. Whether your expertise lies in propulsion, manufacturing, software, avionics, or corporate functions, you will work collaboratively across teams, influence key decisions, and witness your contributions manifest in record time. Relativity fosters an atmosphere where creativity and technical excellence coexist, and your insights will shape the narrative we are crafting together. This is a unique moment to make a lasting impact on our product, processes, and culture, as Terran R gains momentum. The most fulfilling work of your career awaits you. Join us.

Mar 16, 2026
Apply
Relativity logo
Full-time|On-site|Long Beach, California

Join Relativity, a forward-thinking technology company, as a Senior Dynamics Engineer. In this pivotal role, you will leverage your expertise in Dynamics 365 to design, develop, and implement solutions that enhance our products and services. Collaborate with cross-functional teams to ensure the successful delivery of high-quality software solutions.

Apr 1, 2026
Apply
Speechify logo
Full-time|On-site|Long Beach, CA, USA

Join Speechify as a Software Engineer on our Platform team in Long Beach, CA. In this role, you'll be at the forefront of developing innovative solutions that enhance user experience and optimize our platform's performance. Collaborate with a dynamic team to build scalable applications and implement cutting-edge technologies. Your contributions will directly impact our mission to make audio accessible for everyone.

Apr 30, 2026
Apply
Relativity Space logo
Full-time|$142K/yr - $181.5K/yr|On-site|Long Beach, California

At Relativity Space, we are at the forefront of revolutionizing space technology, designing and manufacturing rockets to meet both current demands and future innovations. Our Terran R vehicle is engineered to launch customer payloads into orbit, addressing the increasing need for launch capacity. This is just the beginning; commercializing Terran R will open new avenues for advancing scientific exploration and innovation, pushing the boundaries of what’s possible. By joining Relativity, you become part of a culture that values autonomy, ownership, and impactful contributions at all levels. Here, you won't just be executing tasks; you will be a vital part of solving unprecedented challenges, contributing to the development of a rocket, a factory, and an entire business from the ground up. Whether your expertise lies in propulsion, manufacturing, software, avionics, or corporate functions, you will work cross-functionally, influence key decisions, and witness your contributions come to life swiftly. Relativity is a dynamic environment where creativity and technical excellence coexist, and your input will shape the narrative of our collective journey. This is a unique moment to make a significant impact on our products, processes, and culture as Terran R gains momentum. The most fulfilling work of your career awaits you here. Join us and let’s reach for the stars together.

Feb 6, 2026
Apply
Alten Technology USA logo
Full-time|On-site|Long Beach, California

Alten Technology USA is hiring a Senior Electrical Integration Engineer in Long Beach, California. This position focuses on integrating electrical systems and components to support project goals and maintain high standards of performance and reliability. Role overview The Senior Electrical Integration Engineer will work closely with teams from different disciplines. The main responsibility is to bring together electrical systems and ensure they function smoothly within each project. Attention to detail and a strong understanding of integration challenges are essential. Key responsibilities Integrate electrical systems and components for multiple projects Collaborate with cross-functional teams to design, test, and implement solutions Focus on performance, reliability, and meeting client requirements Collaboration This role involves frequent teamwork with engineers and specialists from other areas. Clear communication and a proactive approach help deliver solutions that align with client needs.

Apr 29, 2026
Apply
Relativity Space logo
Full-time|$142K/yr - $181.5K/yr|On-site|Long Beach, California

At Relativity Space, we are revolutionizing the aerospace industry by building rockets designed to meet both current and future demands. Our flagship vehicle, the Terran R, aims to deliver customer payloads to orbit, responding to the increasing need for launch capacity. Joining our team means being part of a dynamic environment where you'll take ownership of your work and tackle unprecedented challenges. As a Senior Structures Engineer, you'll play a pivotal role in the design and development of integrated structures and flight mechanisms, contributing to a collaborative atmosphere that fosters innovation at every level. This is your chance to make a significant impact on the future of space exploration and technology.

Feb 6, 2026
Apply
Relativity Space logo
Senior Thermal Engineer

Relativity Space

Full-time|$132K/yr - $181.5K/yr|On-site|Long Beach, California

At Relativity Space, we are revolutionizing space travel by designing and manufacturing rockets that meet the demands of today while paving the way for tomorrow's innovations. Our Terran R vehicle is set to deliver customer payloads to orbit, responding to the increasing need for launch capabilities. However, this is merely the beginning. The commercial success of Terran R will create new pathways for scientific advancement, exploration, and innovation—pushing the boundaries of what we know.By joining Relativity, you become part of a culture that prioritizes autonomy, ownership, and impact at every level. Here, you won't just be completing tasks; you will be tackling unprecedented challenges, contributing to the development of a rocket, a factory, and a business from the ground up. Regardless of whether you're in propulsion, manufacturing, software, avionics, or corporate functions, you will collaborate across teams, influence decisions, and witness your contributions come to fruition at an astonishing pace. This is a place where creativity meets technical excellence, and your insights will shape the narratives we create together. Now is a pivotal moment where you can leave your imprint on the product, the process, and the culture, while the Terran R is gaining traction. The most impactful work of your career awaits you. Join us.About the Team: The Interplanetary Sciences Program was founded to broaden access to scientific exploration throughout our solar system. Its goal is to enhance planetary research by making it faster, more cost-effective, and more capable than ever before by reimagining the design, construction, and operation of science missions. Our aim is to empower scientists to deploy instruments to remote worlds without enduring decades of development or exorbitant costs.

Mar 11, 2026
Apply
vast logo
Full-time|On-site|Long Beach, California, United States

Join vast as a Senior Mechanical Engineer specializing in Structures, where your engineering expertise will shape innovative solutions in the mechanical domain. Collaborate with a dynamic team to design and analyze structural systems, ensuring compliance with industry standards and project specifications. Your contributions will be pivotal in driving projects from concept to completion, employing advanced engineering principles and methodologies.

Mar 11, 2026
Apply
Relativity Space logo
Full-time|On-site|Long Beach, California

Join our innovative team at Relativity Space as a Senior Avionics Mechanical Engineer! In this pivotal role, you will be responsible for the design, development, and testing of advanced avionics systems for our next-generation rockets. Your expertise will help drive the evolution of aerospace technology as we aim to revolutionize the industry.

Apr 8, 2026
Apply
Relativity Space logo
Full-time|$142K/yr - $181.5K/yr|On-site|Long Beach, California

At Relativity Space, we're revolutionizing rocket manufacturing to address both current demands and future innovations. Our pioneering Terran R vehicle is designed to transport customer payloads into orbit, responding to the surging need for launch capacity. This is only the beginning; achieving commercial success with Terran R will pave the way for groundbreaking advancements in science, exploration, and innovation, driving progress that extends beyond our current understanding.Being part of Relativity means immersing yourself in an environment where autonomy, ownership, and meaningful impact are paramount. Here, you will not merely complete tasks; you will tackle unprecedented challenges, contributing to the creation of rockets, factories, and a thriving business from the ground up. Whether your expertise lies in propulsion, manufacturing, software, avionics, or corporate functions, you will collaborate across teams, influence critical decisions, and witness your contributions come to fruition at unparalleled speed. Relativity embodies a space where creativity and technical rigor coexist, and your insights will help shape the narratives we forge together. This is a unique moment in time; it’s early enough for you to leave your mark on our products and processes, yet advanced enough that Terran R is tangible and gaining momentum. The most impactful work of your career is here. Join us.About the Team: The Stage Fluids team is responsible for designing and implementing the propellant, pressurant, pneumatics, and fluid systems that transform structures into fully operational rockets. The team enjoys comprehensive ownership over design, production, testing, and flight, maintaining an integrated perspective on Terran R, focusing not just on individual components but on their cohesive functionality. Working on-site at our factory means you are constantly close to the hardware, enabling rapid iterations and efficient feedback loops across design and manufacturing. You will not simply receive specifications; you will be expected to ask the right questions, collaborate with various partners throughout the company, and ultimately devise the best solutions for Terran R.About the Role: In this role...

Feb 6, 2026
Apply
Relativity Space logo
Senior Thermal Engineer

Relativity Space

Full-time|$130K/yr - $166K/yr|On-site|Long Beach, California

At Relativity Space, we are revolutionizing the aerospace industry by creating advanced rockets designed to meet current demands and drive future innovations. Our Terran R vehicle is set to deliver customer payloads to orbit, addressing the growing need for launch capacity. This is only the beginning; achieving commercial success with Terran R will pave the way for new opportunities in science, exploration, and technological advancement, pushing the boundaries of the known. Joining Relativity means becoming part of a culture where creativity, autonomy, ownership, and impact are paramount. Here, you won’t just execute tasks; you’ll tackle previously unsolved challenges, contributing to the development of rockets, factories, and a groundbreaking business model. Collaborating across diverse teams—from propulsion and manufacturing to software and avionics—you will influence key decisions and witness your efforts come to fruition in record time. At Relativity, technical excellence and creative thinking go hand in hand, empowering you to shape the stories we create together. This is a unique opportunity to make your mark on the product, process, and culture of our organization, at a time when Terran R is gaining significant momentum. The most impactful work of your career awaits you. Join us.

Feb 6, 2026
Apply
Relativity Space logo
Full-time|$132K/yr - $181.5K/yr|On-site|Long Beach, California

At Relativity Space, we are on a mission to revolutionize the aerospace industry by building rockets that cater to both current demands and future innovations. Our Terran R vehicle is designed to transport customer payloads to orbit, addressing the increasing need for launch capacity. This is merely the beginning; achieving commercial success with Terran R will open doors for advancements in science, exploration, and innovation, pushing the boundaries of what is known.Becoming part of Relativity means joining a culture where autonomy, ownership, and impactful contributions are valued 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 the overall business from the ground up. Whether your expertise lies in propulsion, manufacturing, software, avionics, or corporate functions, you will collaborate across various teams, influence decisions, and witness your work materialize in record time. Relativity is a space where creativity meets technical rigor, and your voice will play a vital role in shaping our collective narrative. Now is a unique opportunity to leave your mark on the product, process, and culture while Terran R is gaining momentum and becoming a reality. The most meaningful work of your career awaits. Join us.About the Team:The propulsion team at Relativity is tasked with the successful development of the engines that will power the Terran R vehicle. We manage their design from initial concept to launch and reuse. Our team collaborates closely with manufacturing, testing, launch, and integration teams, working diligently to develop our engines in record time and support Terran R's inaugural launch in 2026. As a member of this team, you will contribute to the building, testing, and iteration of the complete product lifecycle of our Aeon-R engine systems, witnessing their evolution and the eventual journey of Terran R into space.

Mar 5, 2026

Sign in to browse more jobs

Create account — see all 471 results

Tailoring 0 resumes

We'll move completed jobs to Ready to Apply automatically.