Software Engineer Jobs in Long Beach, CA

Own and build backend software connecting robotics, ML inference, data platform, and digital twin. Develop APIs, user-facing apps, CRUD services, and visualization. Deploy and maintain software on edge and cloud, integrate with ROS, and collaborate with robotics, data, ML, and infrastructure teams to improve observability and developer tooling.

Own and evolve Relativity's agentic infrastructure: agents, model routing, context pipelines, inter-agent communication, and supporting services. Deploy and operate local LLM inference across Mac Studio and GPU hardware, manage Linux/macOS systems, Proxmox VMs/containers, multi-site networking, storage and recovery. Build CLIs, dashboards, automation, improve observability and failure recovery, contribute upstream open-source, design security for local compute and package the stack for internal and customer deployments.

Build, operate, and harden Relativity's agentic infrastructure: agents, model routing, context pipelines, inter-agent communication, local LLM inference, multi-site networking, VMs/containers, storage/backups, observability, tooling, and secure deployments for engineers and customers.

Lead architecture and development of web-based ground software for spacecraft operations. Collaborate with flight software, mission ops, and systems engineers to design, deploy, and optimize ground data systems. Implement monitoring, reliability frameworks, and provide technical direction to ensure mission resilience and long-term maintainability.

Lead architecture and development of web-based ground software for spacecraft operations. Collaborate with flight software, mission ops, and systems engineers to design, deploy, and optimize ground data systems, establish monitoring and reliability frameworks, and provide technical direction to ensure mission resilience and long-term maintainability.

Design, implement, and iterate full-stack applications and services for an automated rocket factory platform. Build tools for planning, scheduling, data access/analysis, and operations; collaborate with non-software stakeholders; follow agile practices, CI/CD, and mentor other engineers.

Develop and integrate flight software for Haven-1, ensuring safety-critical systems are reliable while collaborating across various engineering disciplines.

As a Software Integration Engineer, you'll develop and integrate complex software systems for space operations, drive technical excellence, and mentor engineers.

Develop and maintain flight and driver software for RTOS/embedded Linux, implement hardware drivers for spacecraft sensors and actuators, write unit tests in CI, collaborate on requirements, perform code and design reviews, verify hardware-in-the-loop integration, and support on-orbit flight operations.

Design, implement, and test flight and embedded application software for RTOS and embedded Linux. Develop hardware drivers for spacecraft sensors/actuators, create unit tests within CI, collaborate on requirements and HIL testing, participate in design reviews (PDR/CDR), and support on-orbit flight operations.

Lead and deliver software solutions, oversee full-stack architecture, mentor engineers, and drive cross-functional initiatives for spacecraft modeling and control platforms.

Develop and optimize software for testing, commanding, and monitoring spacecraft. Own software lifecycles through operations, configuration, maintenance, upgrades, and user support. Configure automated testing and deployment systems, maintain ground control systems, mentor junior engineers, and support spacecraft communications at launch sites and in orbit.

Design, build, and support full-stack web applications, backend services, APIs, data models, pipelines, and development tooling. Collaborate in a heterogeneous environment using modern frontend and application-server technologies. Help establish scalable software practices and patterns for a growing codebase and engineering team, supporting mission software for human-rated artificial-gravity space stations.

Design, build, and maintain core data platforms, services, and APIs that enable operational data access. Develop scalable backend systems, data pipelines, and automation; collaborate across teams; own services end-to-end from architecture through production support.

Develop and maintain embedded software for spacecraft systems, write hardware drivers, troubleshoot software issues, and collaborate with teams throughout the software lifecycle.

The Principal Network Software Engineer will manage the software development and integration of network communication systems for spacecraft, ensuring quality and project milestones are met while interfacing with teams and managing contracts.

Develop and maintain AI tooling systems for space stations, focusing on frontend customizations, AI integration, and full-stack feature implementation.

The Senior Software Engineer, Backend will design and maintain scalable backend services for artificial-gravity space stations, collaborating with cross-functional teams to ensure secure and reliable systems.

Design and implement modern full-stack enterprise web applications: frontends consuming APIs and microservices, backends with data modeling, APIs and pipelines, rapidly iterate tooling and new applications, and adopt scalable software practices to support a growing, data-intensive codebase.