Top Senior Level Software Engineer Jobs in Los Angeles, CA

Design, develop, test, and maintain mission software (Java, C/C++, Python, ReactJS). Participate in agile lifecycle, system integration, architecture and requirements development, code reviews, debugging, verification/validation, and cross-discipline collaboration to meet safety, regulatory, and program objectives.

Lead delivery of Adobe Experience Manager (AEM) Sites and Assets solutions: manage client relationships, ensure quality, mentor junior staff, design components and workflows, resolve dependencies, support testing and releases, and translate product objectives into solution designs.

The Principal Software Engineer will design and implement systems for the advertiser experiences at Snap, lead technical vision, mentor engineers, and innovate on creator marketplace products.

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.

The role involves being an expert in Powder Bed Fusion processes for creating reusable rocket components, leading material qualifications, and improving manufacturing processes while collaborating with cross-functional teams.

As a Principal Flight Software Engineer, you will lead the architecture and development of flight software for space missions, ensuring safety and reliability while collaborating on technical decisions and standards.

Lead the Discovery Platform team, overseeing the development of scalable, high-performance systems for retrieval and ranking to enhance the user experience in Whatnot's live social marketplace.

Build and scale full‑stack product features and systems across frontend and backend. Own projects end‑to‑end from design through rollout and maintenance. Improve reliability, performance, observability, and scalability. Collaborate with Product and Design, mentor teammates, contribute to architecture and design reviews, and leverage AI tools to accelerate development while maintaining engineering judgment.

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 a compliance and risk engineering pillar to design, deliver, and operate regulatory automation, AI/ML, and risk-control platforms. Own roadmap, reliability, incident and defect management, stakeholder communication with Legal/Cyber/Compliance, and hiring and growth of software and quality engineering teams across global jurisdictions.