Top Senior Full-Stack Engineer Jobs in Los Angeles, CA

Design and build full-stack features for Avigilon Alta, develop integrations and APIs, evolve platform architecture, operate cloud infrastructure, ensure reliability with automated tests and monitoring, and collaborate cross-functionally in an agile environment.

The role involves collaborating with product management and quality assurance teams to design and implement features for web-based investment/trading applications, focusing on building and maintaining high-quality code and APIs, while supporting production environments.

The Senior Fullstack Engineer will build and manage enterprise authentication systems, improve user session management, ensure security compliance, and support internal API usage across services, while enhancing performance and reliability.

Design, build, deploy, and optimize scalable full-stack applications integrating databases, APIs, and AI/LLM workflows. Lead architecture, CI/CD (ArgoCD, GitLab), Airflow pipelines, and collaborate cross-functionally to deliver production-grade fintech solutions.

As a Senior Fullstack Engineer, you'll contribute to backend development for Toast's New Ventures team, collaborating on architecture and launching MVPs while addressing unmet operator needs.

The Senior Full-Stack Developer will design, build, and maintain AIO Logic's cloud-based AXIS platform, utilizing React and Java/Spring Boot to deliver software solutions for complex financial workflows, collaborating with cross-functional teams, and mentoring junior developers.

Develop and maintain scalable Angular applications, focusing on state management for data-driven user interfaces, collaborating with backend engineers and optimizing frontend performance.

The Senior Full-Stack Engineer will develop complex business applications using Laravel and ReactJS, collaborate with teams remotely, and integrate with third-party services.

Own architecture and scalability of high-load marketplace systems. Design/refactor backend services and APIs, optimize performance, improve observability, collaborate on CI/CD and cloud deployments, and integrate AI-assisted development while maintaining system reliability and security.

The role involves designing and developing microservices using .NET and ReactJS, deploying applications on Azure, and utilizing AI coding assistants for software development.

As a Sr. Full Stack Engineer, you'll develop features across the stack, improve platform performance, and collaborate closely with design and product teams.

The Senior Full-Stack Developer will design, build, and maintain web applications and APIs, using AWS and AI/ML services, while mentoring junior developers and ensuring high-quality solutions.

The Senior Full Stack Engineer will design and implement APIs with NodeJS, develop UIs with React, manage data pipelines, and deploy projects on AWS.

Develop large scale enterprise applications, write APIs, collaborate with team members, optimize performance, and integrate systems.

As a Senior Full-Stack Engineer Team Leader, you will mentor developers, oversee project execution, manage code reviews, and ensure best practices.

The Senior Full-Stack Engineer will lead the design and development of complex features, write clean code, and engage with AI tools in a collaborative team environment.

The Senior Full Stack Developer will build end-to-end solutions, collaborate in a remote environment, and write technical documentation. The role requires expertise in Ruby on Rails and various programming paradigms.

As a Senior Software Engineer, you will develop and deploy applications for manufacturing operations, collaborating with teams to meet software requirements using agile practices.

As a Senior Full-Stack and Platform Software Engineer at mabl, you will develop features for an AI-powered test automation platform, enhancing user experiences, designing APIs, and optimizing data pipelines while collaborating with cross-functional teams.

Design and build agent-powered mission consoles, collaborate with stakeholders to improve user workflows, and maintain agentic workflows for mission outcomes.

As a Senior Software Engineer, you will design and build a cutting-edge identity search platform and implement AI systems for defense applications, working closely with cross-functional teams to enhance user workflows and support national security.

As a Full Stack Engineer, you will lead innovative software projects for freight logistics, driving technical vision, mentoring others, and delivering scalable solutions across platforms.

Design and influence fullstack architecture for AI-powered healthcare solutions, mentor juniors, collaborate with teams, and maintain code quality.

Fullstack Engineers at Commure will build health-tech products and enhance revenue cycle management systems, collaborating closely with clients and working across various technology stacks.

As a Senior Full Stack Engineer, you will design and implement AI-driven systems, ensuring reliability, security, and scalability while collaborating with stakeholders to translate high-level goals into technical solutions.