Top Software Engineer Jobs in Los Angeles, CA

Develop and maintain telemetry and command database schemas, data models, APIs, services, pipelines, and database-backed applications for spacecraft and flight-test systems. Translate engineering requirements into reliable data solutions, implement automated validation and testing, optimize database performance, troubleshoot data pipelines, support CI/CD and migrations, and collaborate with systems, flight software, test, database, and mission operations teams.

Design, implement, test, and maintain real-time/near-real-time software simulation models and system-level simulators for satellite mission rehearsal and operator training. Translate customer requirements, integrate and debug simulation scenarios, collaborate with multidisciplinary teams, and create automation tools for configuration and deployments in an agile CI/CD environment.

Develop and deploy data solutions using Palantir Foundry and AIP for client engagements. Lead technical teams, coach team members, analyze system interactions, build applications with large datasets, and apply data engineering and analytics to deliver client outcomes. The role also includes managing client relationships, planning and executing projects, encouraging technology adoption, resolving stakeholder conflicts, and driving continuous improvement.

Leads the development and deployment of data solutions using Palantir Foundry and AIP. Manages engineering teams, coaches team members, oversees project planning and execution, analyzes system interactions, manages client relationships, and drives innovation. The role applies software engineering, data engineering, analytics, and AI/ML techniques to deliver scalable client solutions while maintaining technical and professional standards.

Leads the development and deployment of software and data solutions using Palantir Foundry and AI/ML technologies. Responsibilities include data engineering, analytics, system improvement, client account management, project ownership, team leadership, coaching, stakeholder engagement, and continuous improvement. The role requires building scalable applications with large datasets and delivering customer-focused solutions.

Build and maintain scalable full-stack web applications for Snap’s user-facing products. Develop interfaces and services, optimize performance, contribute to shared libraries, analyze operational and engagement metrics, and use AI-assisted workflows while maintaining code quality, security, scalability, and production readiness.

Develop and maintain satellite command-and-control, mission-planning, mission-data processing, and data-analysis software using Elixir. Collaborate on architecture, design, and code reviews while working across engineering disciplines. The role requires functional programming, resilient and fault-tolerant distributed systems, front-end development, live-system debugging, and strong communication. Preferred experience includes Elixir OTP, React, TypeScript, OAuth2, network protocols, databases, and distributed-system monitoring.

Develop reliable, fault-tolerant flight software for human-rated space stations and Haven missions. Responsibilities include avionics integration, driver-level code for radios, sensors, and actuators, telemetry and commanding systems, cross-disciplinary algorithm implementation, code reviews, unit and integration testing, and continuous integration. The role requires professional C++ development, embedded systems expertise, and collaboration across spacecraft engineering disciplines.

Leads the design, development, integration, testing, maintenance, and lifecycle management of ground software systems. Translates customer requirements into software architectures and designs, resolves defects, improves processes and performance metrics, supports user troubleshooting, evaluates emerging technologies, and oversees software projects, suppliers, compliance, and team performance. Serves as the ground software subject matter expert and leads related proposal efforts.

Develops and verifies vehicle management flight software for aerospace and autonomy platforms. Responsibilities include translating requirements into software designs, integrating functions, building simulation and hardware-in-the-loop environments, creating automated test frameworks, executing manual and automated V&V activities, supporting CI/CD, investigating defects, maintaining technical documentation, and coordinating verification across multifunctional teams. The role is fully onsite and requires an active U.S. Top Secret clearance, U.S. citizenship, and up to 10% travel.

Build a high-performance frontend data platform for exploring and analyzing hardware telemetry. Develop React and TypeScript applications, interactive time-series visualizations, data visualization plugins, complex application state management, and LLM-assisted analysis workflows. Collaborate directly with hardware engineers and customers to define interfaces, prototype workflows, demonstrate features, and incorporate feedback into product development.

The Founding Engineer will lead the development of Sailor Health's AI-powered platform, building systems for patient care and mentor the engineering team.

Lead the development of an AI-powered platform for senior mental health, building systems for patient experience, and mentoring the engineering team.

Build the core AI platform for an AI-native trading experience. Develop a high-performance Rust backend supporting streaming responses, low-latency tool execution, caching, and model orchestration. Design secure, observable APIs and runtime components with authentication, authorization, rate limiting, auditing, tracing, retries, and fallbacks. Build safe trading action infrastructure with deterministic previews, confirmations, idempotency, and audit logs while partnering with product and frontend teams.

Lead the mobile engineering team in evolving iOS and Android applications toward an AI-native, thin-client architecture. Define participant API and platform direction, contribute Python to backend services, establish AI-assisted development processes, improve DevOps and continuous delivery, mentor engineers, and partner closely with Product and Design. The role requires principal-level technical leadership, product focus, system architecture expertise, and hands-on use of AI coding agents.

Build and ship backend features end-to-end using Ruby on Rails and SQL. Lead complex technical projects, solve architecture challenges, establish standards, conduct meaningful code reviews, resolve high-risk bugs, document systems, collaborate across engineering teams, and mentor junior engineers.

Develops and maintains full-stack client-side, server-side, and desktop software for mission-critical satellite systems. Designs APIs and web services, integrates capabilities across engineering teams, and optimizes applications for scalability, performance, and reliability. Responsibilities include troubleshooting, upgrades, testing, code reviews, documentation, and continuous improvement. The role requires Java experience, software lifecycle leadership, CI/CD expertise, a bachelor's degree, an active U.S. Secret clearance, and onsite work in El Segundo, California.

Develop, test, maintain, and integrate mission software using Java, C++, Python, and ReactJS. Responsibilities include architecture, requirements, algorithms, interfaces, Agile/Scrum participation, code reviews, debugging, software research, process improvement, and compliance with engineering, safety, regulatory, and customer standards. The role collaborates with multidisciplinary teams and supports end-to-end software development for satellite space mission systems.

Lead end-to-end flight software development for autonomous spacecraft, including mission operations tools, ground services, embedded vehicle software, telemetry, commanding, testing, simulation, and flight readiness. Collaborate with avionics, propulsion, GNC, and systems teams to define interfaces and data models. Support CI/CD, software- and hardware-in-the-loop testing, environmental testing, and flight campaigns in a fast-moving, on-site aerospace startup environment.

Develop and maintain physics-based space and missile defense models, engagement and mission simulations, and analysis tools using Python and C++. Integrate simulations into SIL, HIL, and distributed environments; perform verification, validation, Monte Carlo studies, and data correlation. Collaborate with engineering and government stakeholders on requirements, testing, and technical recommendations. The role requires aerospace or related experience, knowledge of orbital mechanics or missile trajectories, and eligibility for Secret or TS/SCI clearance.

Develop and ship phased software projects for Affirm’s mobile card acquisition team. Collaborate with product, design, and analytics stakeholders; build web and mobile applications and scalable APIs; monitor operational metrics; support availability and on-call efforts; participate in code reviews, interviews, and team development.

Build and improve full-stack software for engineers operating mission-critical hardware. Responsibilities include developing React and TypeScript/JavaScript interfaces, contributing to backend services and APIs, creating reliable data flows, debugging across systems, writing tested code, and collaborating on greenfield products. The intern will work closely with software engineers and operators while gaining experience across frontend, backend, databases, and hardware-connected systems.

Develop and launch scalable full-stack search systems using JavaScript, TypeScript, Python, or Kotlin. Collaborate with engineers and stakeholders, balance delivery speed with system reliability, debug code, participate in code reviews, write tested and extensible software, and contribute to team growth and communication.

Build and operate full-stack software for the company’s digital thread, including services, APIs, data models, user interfaces, integrations, data migrations, and workflow automation. Write tests, participate in code reviews, monitor production systems, resolve data and user issues, and document technical work. Engineers will progressively own larger features while learning product-data systems and supporting aerospace engineering operations.

Design, develop, support, and optimize LensCore, Snap’s C++ AR engine for Specs, Snapchat Lenses, and Lens Studio. Collaborate with teams to deliver features to Lens creators, participate in planning, and create technical specifications. The role requires strong C++ development, rendering or 3D engine experience, AI-assisted development, and familiarity with scripting, Linux, and command-line tools.