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Vetted Backend Engineers in California
Pre-screened and vetted in California.
Muhammad Siddeek
Staff-level AR/VR and mobile engineer specializing in immersive video platforms
“Game engineer with hands-on experience shipping systems for Horizon Worlds, including a notification platform that unlocked friending, invites, and achievement/prize UX. Also brings applied LLM gameplay experimentation, multiplayer networking/debugging expertise, and cross-platform VR/mobile experience spanning Meta Quest and Android.”
Senior Applied AI Engineer specializing in enterprise AI and ML platforms
Senior Backend Developer specializing in cloud APIs and microservices
Chang Qian
Senior Backend/Infrastructure Engineer specializing in large-scale integrity and content systems
“Backend/platform engineer who built Bilibili’s "Avalon" content moderation platform from a vague CEO mandate into a company-wide service (Go, gRPC, Kafka), including on-call, metrics, transparency tools, and multi-site resiliency work. More recently at Meta, scaled a high-traffic mistake-prevention platform by introducing capacity levers (prefiltering, caching, log sampling, fanout limits) and navigating org-wide constraints, including debugging a rule-engine threading bottleneck.”
Senior Backend Engineer specializing in cloud-native APIs and distributed systems
Senior Software Engineer specializing in Python, cloud infrastructure, and AI-powered search
Senior Software Engineer specializing in backend APIs and regulated FinTech workflows
Senior Full-Stack Engineer specializing in scalable cloud platforms and AI integrations
Senior Backend Engineer specializing in scalable AWS serverless and data pipelines
Junior Software Engineer specializing in Android, backend APIs, and search/personalization
“Machine learning software engineer intern experience at Amazon, where they built a production testing framework to inject frames/videos onto devices to measure embedded CV model inference and ensure broad model compatibility via automatic NNA metadata handling. Also built side projects spanning LLM/RAG orchestration (LangChain/LangGraph with reranking and citations) and applied CV/healthcare work (nail disease detection, medical retrieval chatbot).”
Mid-Level Backend Engineer specializing in distributed event processing
Ting Tse Chang
Junior Full-Stack Engineer specializing in web applications and backend systems
“Software engineer at Paradigm who is deeply hands-on with agentic development workflows and AI-assisted coding. He built an in-house OAuth layer to replace a third-party service and reduce projected integration costs, and also created an "ambient agent" that proactively responds to user behavior on the website. He stands out for combining full-stack architecture thinking with a disciplined, model-aware workflow for designing, implementing, and reviewing AI-generated code.”
Rediet Gesesse
Mid-level Software Engineer specializing in FinTech and full-stack platforms
“Built a kitchen capacity management system for merchants, owning deployment through stabilization and continuously tuning capacity based on fulfillment and cancellation outcomes. Also designed customer-support decision workflows for refunds/credits with a focus on fraud cost reduction, and has hands-on experience with Kafka, Flink, relational databases, and production incident mitigation via feature-flag rollbacks.”
Mid-Level Backend Engineer specializing in cloud-native distributed systems and data pipelines
Mid-Level Software Engineer specializing in backend and full-stack systems
Mid-level Creative Technologist specializing in XR and interactive prototyping
Mid-level Software Engineer specializing in distributed systems for Healthcare and E-commerce
Senior Full-Stack Software Engineer specializing in serverless AWS and scalable SaaS
Senior Software Engineer specializing in backend microservices and AI/ML integrations
Junior Backend Engineer specializing in cloud-native systems and observability
Mid-level Backend Engineer specializing in FinTech and AI-powered platforms