Top Tech Jobs & Startup Jobs in Los Angeles, CA

Identify and resolve performance bottlenecks in iOS apps by profiling with Instruments/Xcode, optimizing memory, CPU, network, and rendering, implementing best practices, conducting performance-focused code reviews, building automated performance tests, and collaborating with developers, QA, designers, and product managers to improve app responsiveness and battery life.

Perform requirements gathering, analysis, and gap assessments; translate business needs into functional/technical specs; support solution design, UAT, and project coordination; communicate with stakeholders and pursue process improvements.

Lead and review creative workstreams across project phases, create and oversee design deliverables (comps, style guides, branding), contribute to information architecture, manage project delivery and offshore resources, and communicate design feasibility with technical teams.

Lead cross-functional programs to plan, execute, QA, and optimize customer lifecycle and email campaigns. Own full program lifecycle from intake and scoping to delivery, testing, and reporting. Coordinate stakeholders and technical teams, manage configuration and deployment of complex email journeys in platforms like Zeta/SFMC/Braze/Emarsys, drive personalization/segmentation/A/B testing, support data integrations, and monitor performance to recommend improvements.

Senior PySpark developer responsible for building and maintaining large-scale ETL and data engineering pipelines using PySpark/Spark, Hadoop and related big-data tools. Work with SQL/NoSQL databases, cloud platforms, data lakes/warehouses, and support CI/CD and containerization. Collaborate on systems analysis, project delivery, and meet deadlines under pressure.

Lead design and implementation of a high-performance React-based frontend using Micro Frontend architecture, SSR/CSR hybrid strategies, and BFF integrations with Spring Boot microservices. Optimize performance (lazy loading, tree shaking, prefetching, edge caching), enforce state management patterns (Redux, Saga/Thunk), deploy on GCP, and mentor frontend engineers to ensure scalable, secure, and testable UI systems.

Senior developer role requiring 7+ years building complex, distributed enterprise applications. Hands-on Appian development using SAIL, Process Model, Records, Reports, and Deployment. Strong SQL and relational database skills. Familiarity with microservices and containerization. Experience with ALM/CI-CD tools (Bitbucket, TFS, Jenkins, UDeploy, BMC RLM) and working in both waterfall and Agile methodologies. Banking/finance experience preferred.

Design and govern microservices-based, cloud-native solutions; define technology strategy and roadmaps; lead transformation tracks; evaluate technologies; support presales and POCs; create reusable frameworks, architecture blueprints, and training.

Lead deployment and configuration of the Punchh loyalty platform, gather client requirements, customize features, perform testing and troubleshooting, document configurations and processes, provide customer training and reporting, and relay improvement feedback to the Punchh development team.

Lead cross-functional projects from scope through post-implementation, managing planning, resources, risks, budgets, stakeholder communication, and delivery using Agile or Waterfall methods.