Top Senior Level Software Engineer Jobs in Los Angeles, CA

The Senior Software Engineer will design and maintain backend services for recognition AI solutions, lead a small team, and drive technical improvements.

Design and implement Android features from design through launch, optimize mobile UX and performance, perform code reviews, evaluate technical tradeoffs, and use AI tools to streamline development while maintaining security and production-quality code.

Lead design and delivery of scalable budgeting and pacing infrastructure. Build and maintain high-performance Java production systems, collaborate with engineering and product teams, apply data-driven decision making, and ensure reliability, observability, and continuous improvement of distributed systems.

The Senior Software Engineer will design and develop flight and ground software, collaborate with cross-functional teams, and manage the complete software lifecycle.

As a Software Integration Engineer, you'll develop and integrate complex software systems for space operations, drive technical excellence, and mentor engineers.

As a Video Engineer at Whatnot, you'll enhance the platform's video services, develop seller tools, and implement innovative video strategies to improve user engagement and experience.

Build and own end-to-end frontend experiences for Coinbase card products across web and mobile. Ship high-scale consumer features, improve payment flow performance and SLOs, reduce latency and CX contacts, mentor engineers, and collaborate with product, design, and backend teams to deliver reliable, user-focused card functionality.

Develop fullstack web applications, enhance platform performance, collaborate on high-impact opportunities, and ensure stable, scalable solutions. Engage in rapid iterations and be a committed team player.

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.

Lead architecture, design, and delivery of PET product features; write production full‑stack code; champion testing, observability, CI/CD and operational readiness; mentor engineers and collaborate with product to shape technical roadmap.

The role involves leading the Code Gen team to modernize legacy applications using AI-powered tools, ensuring system scalability and efficiency through collaboration and strategic technical decisions.