Top Tech Jobs & Startup Jobs in Los Angeles, CA

Design, build, and maintain Java-based RESTful and GraphQL APIs; integrate and deploy ML models for real-time and batch inference; develop microservices, data pipelines, and caching; write tests and API documentation; collaborate with data scientists and engineers; deploy and monitor services using Docker, Kubernetes, and CI/CD on cloud platforms.

Design intuitive, accessible UI and UX across products: conduct user research and testing, create wireframes, prototypes, and high-fidelity designs, collaborate with product and engineering, iterate based on feedback, and maintain the design system and brand consistency.

Senior Business System Analyst in capital markets with 5+ years' experience. Analyze business processes, systems, and trading activities; gather and document requirements; collaborate with stakeholders; interpret market and regulatory data to identify opportunities and risks. Familiarity with trading platforms and order management systems is a plus.

Support digital transformation projects by conducting research and data analysis, assisting senior consultants with solution development, documenting requirements and processes, supporting implementation of CRM/ERP/automation/cloud solutions, creating deliverables, and participating in client meetings and workshops to drive data-driven recommendations.

Design and implement scalable web and mobile architectures; lead and mentor development teams; write high-quality code; optimize performance and security; collaborate with stakeholders and resolve complex technical challenges.

Senior Business Systems Analyst in capital markets responsible for analyzing processes, systems, and trading workflows; gathering and documenting business requirements; interpreting trading and market data to identify risks and opportunities; and collaborating with stakeholders on new initiatives and system enhancements. Requires domain expertise in financial instruments and trading infrastructure, with exposure to SQL/analytics.

SDET focused on data reconciliation, complex SQL, and ETL testing. Build and automate test frameworks, validate ETL pipelines and data warehouses, write optimized SQL for data validation, perform root-cause analysis of discrepancies, and ensure data integrity between source and target systems.

Lead architecture and development of scalable REST-based microservices using .NET 6+, ASP.NET and C#. Drive API design, documentation, CI/CD with Azure DevOps, Azure deployments, event-driven integrations, testing (xUnit/NUnit), and mentor engineers while ensuring performance, security (JWT/OAuth/SAML), and observability for large eCommerce systems.

Design, govern, and maintain hybrid cloud platform architecture and reference implementations. Lead cloud service selection, security-by-design, DevOps/GitOps, infra-as-code, container and Kubernetes platform implementations, monitoring, and architecture reviews. Partner with security and engineering teams to drive standards, blueprints, and operational practices.

Design, develop, and deploy end-to-end machine learning models using statistical and ML algorithms. Prepare and enrich data, implement scalable PySpark/Databricks solutions, and collaborate with product and engineering to create personalized customer experiences and actionable insights.