Top Application Engineer Jobs in Los Angeles, CA

Build and maintain People-team backend services and automations: design scalable solutions, integrate AI/LLM APIs, create middleware and chatbot integrations (Slack, Workday, Jira), automate HR workflows, deploy cloud services, and mentor junior engineers while ensuring operational excellence and testing.

The Teamcenter Application Engineer will develop, deploy, and maintain PLM/CAD systems, manage customizations, and support engineering workflows for space station projects.

Lead administration and optimization of Siemens NX and Teamcenter, manage part libraries, support NX-to-Teamcenter integration, resolve complex CAD issues, implement best practices for large assemblies and MBD, and lead upgrades and testing to ensure continuous production readiness.

Design, develop, configure, and maintain ServiceNow SPM and related platform modules. Implement end-to-end SPM solutions, integrations, workflows, dashboards, and reports. Support DevSecOps practices, stakeholder engagement, portfolio governance alignment, and ongoing system improvements to meet mission requirements.

Design, develop, configure, integrate, and maintain ServiceNow platform solutions across ITSM/ITOM/ITAM. Build automations and integrations, support DevSecOps, follow ITIL processes, engage stakeholders, and ensure secure, mission-aligned system improvements.

Develop and maintain enterprise-grade .NET web applications using C#, ASP.NET/MVC, Web API/WCF, SQL Server and AWS. Build UI with HTML5/CSS/JavaScript and Angular/React, implement data access with Entity Framework, SSIS/SSRS, and work on design/architecture reviews within mortgage servicing domain in a global delivery environment.

Design, develop, and maintain Appian low-code applications; implement features from backlog; unit test and peer-review code; collaborate with functional, testing, and Agile teams; estimate sprint work; present demos; mentor junior developers and share best practices.

Design, develop, and unit-test Appian low-code solutions; estimate and deliver sprint work; collaborate with functional, testing, and Agile teams; mentor junior developers; present sprint demos and share best practices across the company.

Build, maintain, and ship the Jan cross-platform desktop app using Tauri. Work full-stack (React/Node.js frontend, Rust native), own packaging, builds, installers, auto-update, code signing, and release pipelines, and provide first-class Linux support. Integrate local model runtimes and use agent-native workflows to iterate quickly while ensuring reliability and performance.

Design and develop web applications and GIS solutions, integrate data, lead projects, mentor junior developers, and participate in stakeholder meetings.

The Staff Software Engineer will architect and develop high-performance cloud services, resolve infrastructure bottlenecks, ensure engineering best practices, and mentor junior members.

Provide technical application support for warehouse automation systems including software/controls design, installation, testing, training, field support, WMS/WCS integration, and project coordination for AS/RS, AGV, PIT, and related materials handling equipment.

The Condition Monitoring Application Engineer supports sales by providing technical expertise, analyzing vibration data, and engineering solutions for clients.

Build and ship Android and/or iOS features for BJAK's AI Neobank app. Own end-to-end mobile experiences—from product problem through releases—working with backend, design, product and AI teams. Improve app quality using analytics, crash reports, and user feedback, and raise standards for UX, reliability and performance.

Provide development and support for the firm's financial applications: design, develop, test, and implement custom solutions; maintain databases and SQL; build integrations and automations using APIs and AI services; support Windows desktop/application issues; collaborate with business owners; document changes; recommend process improvements while safeguarding confidential financial data.

Design, deploy, operate, and scale mission-critical application platforms. Build infrastructure as code, improve observability, participate in on-call rotation and incident response, collaborate with software teams, optimize performance, and support vehicle software engineers.

Build, operate, and scale mission-critical application infrastructure and tooling for vehicle and satellite software delivery. Manage infrastructure as code, improve observability, collaborate with engineers, participate in on-call rotation, perform incident response and postmortems, and provide end-user support to reduce build and test times.

Build, operate, and scale mission-critical application platforms to accelerate vehicle software delivery. Manage infrastructure as code, improve observability, collaborate with developers, run on-call rotations, conduct blameless postmortems, and reduce performance bottlenecks to support Falcon, Starship, Dragon, and Starlink software lifecycles.

The Fullstack Application Developer will design, build, and maintain a platform for marketing teams, focusing on both front-end and back-end development while mentoring junior developers.

Design, build, and operate software and data solutions to enable clinical insights for veterinary care. Lead architecture, implement integrations and data pipelines, collaborate with data scientists, mentor junior engineers, and work in an Agile/Scrum team to deliver production-ready applications using cloud, Databricks, and CI/CD tooling.

Design, build, and manage data pipelines, integrations, ML classification, and applications to enable clinical insights. Work in an Agile Scrum team using cloud services (AWS), Databricks, CI/CD, and infrastructure-as-code, collaborate with data scientists, mentor junior staff, and drive technical strategy and innovation.

Develop, enhance, and maintain enterprise web-based GIS applications, dashboards, APIs, and geospatial services. Integrate GIS with enterprise systems, support ArcGIS Enterprise, assist modernization to cloud, perform testing, troubleshooting, deployment, documentation, and user support within federal environments.

The role involves collaborating with customers to solve engineering challenges using machine learning, develop solutions, train teams, and improve products based on feedback.

Develop and maintain native iOS and Android applications for streaming experiences. Collaborate on TV platforms, establish architecture, and utilize AI tools to enhance productivity.

Develop and maintain mission critical applications for SpaceX, collaborate with teams on architecture and design, and create reliable software solutions.