Top Tech Jobs & Startup Jobs in Los Angeles, CA

Design, build, and maintain MCP servers, internal APIs, lightweight Streamlit apps, and automated Python workflows. Ensure deterministic LLM integrations, enforce SOPs and coding standards, collaborate cross-functionally, and own projects end-to-end from architecture through deployment and maintenance.

Build and maintain MCP servers, internal APIs, lightweight Streamlit apps, stateful applications, and automated Python workflows to expose and orchestrate data platform and enterprise systems for internal tools and AI workflows.

Design, build, and maintain Branch's iOS apps by implementing robust architectures and complex UIs. Improve engineering standards, tools, and CI/CD pipelines, manage project priorities and deadlines, and collaborate with product, design, and cross-functional teams to deliver scalable mobile features.

Design, build, and optimize scalable Java-based microservices and RESTful APIs. Ensure performance, uptime, and engineering standards through design and code reviews, testing, and collaboration with product and support teams. Contribute to domain-driven service design and API consistency.

Lead design, development, and maintenance of scalable backend services for Payouts. Drive architecture, ensure performance and reliability, mentor engineers, enforce engineering best practices, and collaborate with product and support teams to deliver customer-facing REST APIs.

Lead ownership and support of production database systems (MySQL CloudSQL and Spanner). Drive schema change processes, build automated deploy/test pipelines, implement monitoring/alerting, manage backup/recovery and DR, perform production debugging/RCA, and evaluate database features for global scalability and uptime.

Lead improvements in reliability, performance, scalability, capacity, and observability through automation and tooling. Partner with developers to design infrastructure and monitoring, define SLIs/SLOs, conduct load and performance testing, participate in incident response and root cause analysis, and manage monitoring services for production systems.

Design, build, and own end-to-end data systems and pipelines powering payments, fraud response, and reporting. Implement streaming and batch integrations, APIs, and workflow orchestration. Define data correctness with monitoring, alerting, and tests. Create reusable patterns and collaborate with stakeholders to clarify requirements and tradeoffs.

Owner of lifecycle marketing strategy and execution: design campaigns for acquisition, engagement, retention and reactivation; build segmentation and personalization in marketing automation (Braze); optimize user journeys, run A/B tests, measure KPIs, and partner cross-functionally to drive retention and revenue.