Top Software Engineer Jobs in Los Angeles, CA

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.

Architect, build, and optimize a full-stack platform (React frontend, Node.js backend). Lead technical decisions, design and optimize APIs and databases, improve observability, enforce testing strategies, introduce new technologies, mentor engineers, and drive cross-team initiatives to deliver scalable, reliable software for commercial contractors.

Senior Workday Developer responsible for designing, building, testing, and supporting Workday integrations, security, and reporting. Develop Studio, Core Connector, EIB, and web service integrations; create advanced reports and calculated fields; manage security configuration; perform integration troubleshooting, testing, deployment, and tenant migrations; and collaborate with HR, IT, payroll, benefits, and vendors to deliver scalable, maintainable Workday solutions.

Design, implement, and operate critical, highly scalable backend services (identity, friend graph, persistence). Collaborate across teams, build and test distributed systems, ensure availability and operational excellence, use AI tools to accelerate development, and participate in incident response and debugging.

Lead Pfizer's enterprise Data & BI platform engineering organization, owning data warehouse/lakehouse, integration, BI, catalog, and observability platforms. Define strategy, roadmaps, SLAs, governance, FinOps, and vendor/licensing. Manage and grow platform teams to deliver reliable, governed, AI-ready data and enable federated analytics and AI consumers.

Lead and deliver Oracle Cloud technical solutions: support Oracle Cloud architects, analyze complex problems, design/build/test/deploy Oracle ERP and integration solutions, mentor junior staff, cultivate client relationships, and maintain professional and technical standards.

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.

Design, build, and own scalable microservices and secure APIs that transfer value across blockchain and banking protocols. Extend in-house blockchain infrastructure, integrate with banks and cloud services, troubleshoot production issues, document system and testing procedures, and collaborate with product and engineering teams to deliver reliable payment experiences.

As a Data Engineer at Whatnot, you'll design data architectures, implement data workflows, ensure data quality, and support analytics across teams.

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.

Design, develop, test, and maintain full-stack web applications on AWS. Translate customer requirements into software architectures, participate in agile development, debug performance issues, implement engineering best practices, manage supplier performance, and ensure compliance with safety, regulatory, and security requirements.