Top Software Engineer Jobs in Los Angeles, CA

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.

Build and ship end-to-end consumer product features across frontend, backend services, APIs, data pipelines, and production infrastructure. Use AI coding agents, own Kubernetes services, monitoring, on-call responsibilities, performance, privacy, testing, architecture, and technical debt reduction. Instrument features and analyze results in Sigma and Snowflake. Collaborate with product teams, distributed colleagues, partners, and agencies while delivering weekly releases to millions of users.

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.

Leads software engineering workstreams and develops, reviews, tests, and releases applications across web, mobile, and enterprise platforms. Guides project planning, budgeting, delivery, and issue resolution while applying AI-enabled solutions and improving software quality. Translates business requirements into technical designs, mentors developers, manages client expectations, and supports CI/CD, architecture, and product innovation.

Build and maintain a unified frontend platform for rocket factory operator applications. Develop React modules, shared components, design system features, and real-time telemetry interfaces. Migrate features from separate frontends, optimize live-data rendering, and contribute to shared architecture and code reviews. Collaborate with senior engineers while improving frontend performance, state management, and platform scalability.

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.

Administer and maintain Millennium's Atlassian/JIRA environments (production, dev, test); build projects, workflows, permissions; monitor server health; perform data migrations; provide user support and training; prepare documentation and coordinate upgrades and maintenance with IT.

Develop and support C++ features for Lens Engine and Lens Studio, enabling augmented reality experiences across Snapchat and Specs. Contribute to agentic development tooling, architecture, technical roadmaps, code reviews, and cross-functional engineering efforts. Improve code quality, reliability, performance, testing, maintainability, and developer productivity while integrating AI-assisted workflows and systems.

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.

Build and lead real-time 3D augmented reality applications for Spectacles and Snap OS. Responsibilities include designing spatial interactions, integrating system services and platform APIs, optimizing applications for resource-constrained AR hardware, making architectural decisions, defining technical direction, collaborating cross-functionally, and mentoring engineers.

Build and maintain internal AI-powered tools and automations for sales, customer success, and revenue operations. Implement features, automate lead routing and pipeline workflows, troubleshoot integrations, monitor tools, fix bugs, and evaluate AI platforms. Collaborate with nontechnical stakeholders to gather requirements and deliver reliable, documented code using APIs, scripting languages, and database systems.

Develop and launch reliable backend systems using Python or Kotlin, AWS, MySQL, and Kubernetes. Break projects into deliverable phases, collaborate with product, design, and analytics teams, monitor system metrics, support availability and on-call operations, debug code, conduct code reviews, and contribute to team growth and interviewing. The role requires 1.5+ years of software engineering experience and strong communication skills.

Design, implement, test, debug, and operate scalable backend services such as identity, friend graph, and persistence systems. Collaborate across teams to deliver product solutions while maintaining availability, scalability, security, operational excellence, and cost efficiency. Investigate incidents and hotfixes, apply distributed-systems best practices, and use AI-assisted development tools while auditing output for quality and security.

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.

Designs, develops, tests, integrates, debugs, and maintains non-embedded software for classified defense programs. Translates customer requirements into software architectures, interfaces, algorithms, and designs; supports system integration and lifecycle processes. The role also handles technical issues, improves development processes and metrics, conducts software research, and ensures compliance with quality, safety, regulatory, and customer standards. Work involves Java, ReactJS, DevOps tools, Agile methodologies, and classified-program environments.

Design, build, scale, and operate high-volume payment APIs and distributed systems serving global traffic. Lead complex engineering projects from requirements through production, improve reliability, performance, observability, fault tolerance, and security, and participate in on-call and incident response. Collaborate across product and engineering teams, use AI-assisted development tools responsibly, and mentor engineers through technical reviews and documentation.

Develop, document, test, and support Parsec’s TrakSYS manufacturing execution software platform. Responsibilities include designing features, writing maintainable code, preparing technical specifications, conducting code reviews, troubleshooting application issues, and collaborating across teams. The role requires Microsoft .NET, SQL Server, web development, Windows, SDLC tools, and cloud experience, with preferred knowledge of TypeScript, Bootstrap, unit testing, and manufacturing automation.

Build and operate scalable, customer-facing full-stack software for Samsara’s safety products. The role involves developing web, mobile, API, and platform capabilities; integrating LLMs, agentic workflows, and RAG; evaluating AI quality; and improving reliability, scalability, and operational health. The engineer collaborates with Product, Design, ML, and platform teams while owning features from concept through production.

Build and deliver backend payment-processing features using Kotlin, scalable APIs, microservices, and containerization. Develop automated tests, monitor feature rollouts, collaborate with UX and product management, and participate in design and code reviews. The role supports Toast’s unified payments platform and requires East Coast working hours.

Develop and support secure healthcare integration services connecting providers, payers, delegated entities, and third-party platforms. Responsibilities include API development, distributed systems, event-driven messaging, cloud automation, CI/CD, automated testing, observability, production support, secure authentication, and cross-functional agile collaboration. The role also contributes to healthcare interoperability solutions using standards such as FHIR.

Build and maintain scalable backend platforms for capital orchestration, transaction reconciliation, collateral movement, data pipelines, and business workflows. Collaborate with engineers, product managers, designers, analysts, and business stakeholders to design systems, write tested code, improve reliability, and deliver projects incrementally. Support production operations through monitoring, metrics, debugging, code reviews, and on-call responsibilities.

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.