Top Hybrid Software Engineer Jobs in Los Angeles, CA

As a Founding Full-Stack Engineer, you'll build AI-native systems, integrating LLMs, prototyping quickly, and collaborating to influence engineering standards and culture.

Design, build, and operate scalable backend systems, APIs, and full-stack features for real-time, cloud-native AI products. Improve reliability, observability, performance, and developer experience while contributing to architecture and platform strategy in a fast-paced startup environment.

Build and maintain responsive, high-performance web applications using React and TypeScript. Own frontend architecture, create reusable components, optimize performance and state management, collaborate with product and backend teams, contribute across the stack, improve tooling and workflows, and ensure accessible, thoughtful user experiences.

Own the technical direction and architecture of Arbor, Linktree’s shared frontend design system. Build and maintain component libraries, APIs, tokens, theming, accessibility, and documentation. Establish frontend engineering standards, guide platform strategy, manage versioning and adoption, and lead complex cross-team initiatives from definition through rollout. Partner with Product, Design, and Engineering leaders, mentor engineers, and raise technical quality across the organization.

Responsible for developing and enhancing an AI-powered platform for youth sports mentorship through full-stack engineering, integrating AI features, and collaborating with cross-functional teams.

Lead vehicle-level software integration and testing for an EV platform: define integration roadmap and test strategy, coordinate cross-functional teams, run pre/post-merge and regression testing across domains (powertrain, BMS, charging, ADAS, infotainment), manage a 150+ vehicle test fleet, support bring-up, validation, root-cause analysis, and sign off on software maturity gates.

Senior full-stack developer to design, build, and maintain scalable web applications using React (JavaScript/TypeScript) and C#/.NET (Core/.NET 6+) with Azure. Responsibilities include API and microservice development, cloud architecture, performance and security optimization, CI/CD pipeline support, code reviews, and collaboration with stakeholders in an Agile environment.

The ServiceNow Developer will support HR service requests, implement ServiceNow functionalities, maintain software customizations, and collaborate in an Agile environment.

As a Senior Data Engineer, you will design and develop AI-powered data solutions, investigate tools, and collaborate with engineering to enhance Sleuth's platform.

Lead design and development of complex Microsoft‑stack applications and integrations. Build scalable, secure solutions using C#, .NET, ASP.NET, SQL Server, and modern JavaScript frameworks. Improve CI/CD with GitHub Actions, enhance automated testing, monitoring/alerting, and modernize legacy systems. Collaborate with architects, product managers, QA, and infrastructure teams; provide technical leadership, code reviews, and mentor staff. Support integrations with Azure services and justice/case‑management platforms like Tyler Odyssey.

Lead design and build of greenfield ERP and Salesforce integrations, own money-movement and payment logic, make architectural decisions, write production backend code, document standards, and act as a hands-on technical lead shaping team and systems.