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

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.

As a Senior Full-Stack Engineer, you will enhance our platform, develop APIs, mentor team members, and ensure code quality in a collaborative environment.

Design and build scalable features for MongoDB's Internal Developer Portal using Backstage. Collaborate with teams to enhance developer workflows and internal tools.

The Senior Full Stack Engineer will develop scalable applications, manage both front-end and back-end tasks, and enhance platform engineering practices. Responsibilities include API development, database design, and technical documentation.

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.

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.

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

Commure seeks a Senior Fullstack Engineer to design scalable healthcare solutions, enhancing user experience through responsive interfaces. Responsibilities include architecture decisions, mentoring, and collaborating on features.

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.

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.

Senior Full-Stack Software Engineer position focusing on building, shipping features, and improving code quality using React, TypeScript, and Ruby on Rails.

Develop and optimize web applications, APIs, and backend services. Collaborate cross-functionally and take ownership of features from concept to deployment.

Build end-to-end features, design intuitive interfaces, manage asynchronous backend jobs, and contribute to open-source efforts, while leading project development from concept to monitoring.

Join a cross-functional product team to design and build full-stack user-facing features using TypeScript, React/React Native, Node.js, GraphQL, and PostgreSQL. Own features end-to-end, ensure scalability, reliability, and observability, participate in code reviews and RFCs, and collaborate closely with Product, Design, and Data.

As a Senior Full Stack Engineer at Lazer, you will design and build AI-powered applications, manage client interactions, and develop production-ready software solutions.

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.

The Senior Full-Stack Engineer will build operational tools for Vay, focusing on software development for customer support, remote driving, and fleet management, ensuring tools are efficient and user-friendly.

As a Senior Full Stack Engineer at Calendly, you will build and maintain core calendar infrastructure, focusing on API development, synchronization services, and search infrastructure, collaborating with cross-functional teams.

Lead the development of Coperniq's platform by designing, developing, and maintaining scalable full-stack solutions while collaborating with teams and mentoring juniors.

As a Senior Software Engineer at Proto, you will architect and lead development for mining infrastructure, mentor engineers, and drive technical strategy.

The Senior Full Stack Engineer will design and develop user-friendly experiences, lead product enhancements, mentor junior engineers, and participate in on-call rotations to ensure service reliability.

The role involves owning the product workflow, building user-facing features, maintaining systems, and collaborating with cross-functional teams. Strong React and Typescript skills are essential.

The role involves designing and implementing server-side services, building data pipelines, and collaborating with frontend teams. Requires proficiency in Kotlin and/or Java, especially with Spring WebFlux, while improving system throughput and reliability.