Top Senior Level Software Engineer Jobs in Los Angeles, CA

Design, build, and maintain blockchain and payments infrastructure; develop scalable microservices and secure RESTful APIs to transfer value across blockchain and banking protocols; integrate with banks and fintech; own system design, testing, deployment, and troubleshooting; ensure reliability, code quality, and strong test coverage while collaborating with product and engineering teams.

As a Senior Staff Software Engineer, you'll architect FloQast applications, lead technical strategy, mentor engineers, and ensure scalable systems delivery to enhance customer impact.

As a Senior Software Engineer, you will design and implement EHR integrations, develop API integrations, mentor junior engineers, and build scalable systems for healthcare interoperability.

Lead contact center transformation engagements by designing and implementing user-centric front-end solutions, conducting user research and usability testing, prototyping in Figma, ensuring digital accessibility, optimizing workflows, and mentoring junior team members while collaborating with cross-functional teams to deliver omnichannel contact center solutions.

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

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

Lead the design and development of complex features in high-volume web services, mentor engineers, and collaborate with cross-functional teams.

Design, maintain, and own high-throughput data ingestion and processing pipelines. Lead architecture and reliability initiatives, collaborate with Product Management, deliver scalable backend services (C#), and support observability, deployments, and operational support on cloud-native platforms.

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.

The Senior Software Engineer will drive the retail technology initiatives at Toast, focusing on payment solutions and enhancing customer experiences. Responsibilities include collaborating on high-impact opportunities, technical decision-making, and adapting to customer needs.

Design, build, test, and deploy smart contracts and decentralized applications. Maintain blockchain integrations and backend services, optimize for security and gas efficiency, contribute to architecture and technical strategy, conduct code reviews, mentor junior engineers, and collaborate with product, frontend, and security teams.