Top Tech Jobs & Startup Jobs in Los Angeles, CA

Lead design, build, and maintain scalable backend services using Java (Spring) and Python (FastAPI/Django). Implement REST/GraphQL APIs, optimize SQL/NoSQL databases, develop microservices, ensure security (OAuth2/JWT), write tests, improve performance, and collaborate in Agile with frontend and DevOps teams.

Lead and operate CI/CD pipelines and cloud infrastructure using IaC (Terraform/ARM/CloudFormation) across Azure/AWS/GCP. Automate provisioning, monitoring, and scaling; implement logging and alerting (App Insights, Splunk, Datadog, Prometheus); enforce security and compliance; partner with dev/QA/security/release teams; troubleshoot production incidents and perform root cause analysis.

Build and maintain cross-platform mobile apps using React Native. Convert UI/UX designs to responsive interfaces, create reusable components and design systems, integrate REST/GraphQL APIs, handle authentication and WebView integration, write unit and E2E tests, optimize performance, participate in code reviews, and support App Store and Play Store releases.

Lead QA Automation for agentic AI products by designing eval pipelines, golden datasets, and automated tests for tool-use, hallucination detection, latency/token monitoring, and regression across models and prompts. Integrate performance testing into CI/CD and collaborate with AI engineers to convert requirements into measurable automated evaluations.

Gather and document functional requirements for agent-facing servicing applications, define integrations/APIs with core banking systems, consult with stakeholders, identify AI/ML opportunities (fraud, KYC, automation), support testing and implementation, and act as SME while managing risks and compliance.

Design, develop, and maintain scalable full-stack web applications using React, NestJS, TypeScript, and Node.js on GCP. Architect REST APIs and microservices, model NoSQL data with Firebase/Firestore, implement CI/CD and deployment automation, ensure security and performance, conduct code reviews, troubleshoot production, and collaborate on technical design.

Lead large, complex projects from initiation through closure. Develop project charters and plans, manage budgets and resources, identify and mitigate risks, enforce quality standards, mentor team members, communicate with executives and stakeholders, and ensure on-time, on-budget delivery with documented lessons learned.

Lead architecture, development, and delivery of React Native mobile apps for iOS and Android. Provide technical leadership, define standards, implement scalable state management, optimize performance, integrate native modules and APIs, collaborate across Product/Design/Backend/DevOps, drive CI/CD and testing, mentor engineers, and ensure high-quality releases to App Store and Google Play.

Design, build, and deploy production-ready generative AI applications: architect multi-agent workflows, implement advanced RAG with vector DBs, integrate/swap LLMs, fine-tune models, and deliver scalable FastAPI-based services with monitoring, CI/CD, and containerized deployment.

Design and document consistent software architecture across the engineering organization, guide architecture decisions, support developers on design issues, implement and improve core infrastructure and SDLC, develop technical/business approaches and tools, resolve technical roadblocks, and perform performance characterization and trade-off studies.