Top Product Engineer Jobs in Los Angeles, CA

Build and lead development of full-stack agentic AI products for systems modernization. Responsibilities include creating coding harnesses and runtime layers, integrating source control, CI/CD, security, and developer tools, scaling coding-agent workflows, and partnering with customers, designers, and mission teams. The role requires production-grade, cybersecurity-compliant systems, strong product judgment, and close collaboration with forward-deployed engineering teams supporting national security missions.

Design, prototype, analyze, and document consumer electronics components from concept through mass production. Lead mechanical subsystem design, technical reviews, experiments, failure analysis, corrective actions, and cross-functional collaboration with industrial design, operations, suppliers, and contract manufacturers. Support overseas development builds, manufacturing readiness, tolerance analysis, design for manufacturing, and structural analysis for Spectacles products. Travel internationally up to 20%.

Owns the full lifecycle of operational software products, from concept through production. Builds and tests reliable, user-focused features; scales prototypes; triages issues and identifies root causes; and partners with product teams, mission engineers, architects, and end users to deliver effective solutions. The role requires strong React, TypeScript, and Python skills, performance optimization experience, and collaboration across technical and non-technical stakeholders.

Reviews aerospace product requirements, compliance methods, and verification plans; provides technical input to design and analysis; supports hardware test setup, procedure writing, testing, troubleshooting, production builds, inspection investigations, corrective actions, and technical documentation. The role also interfaces with suppliers, OEMs, and internal teams to ensure products meet airworthiness, customer, and company standards.

Lead product engineering for GaN power semiconductor devices from silicon evaluation and NPI through qualification, production ramp, and sustaining engineering. Own characterization, CP/FT test strategy, yield improvement, datasheet validation, reliability assessment, and qualification readiness. Analyze device physics, manufacturing variation, and power switching behavior while coordinating cross-functional investigations with device, process, reliability, quality, test, applications, wafer fab, and OSAT teams.

Design, prototype, analyze, and document consumer electronics products from concept through mass production. Collaborate with industrial design, operations, suppliers, contract manufacturers, and engineering teams. Conduct failure analysis, corrective actions, technical experiments, design reviews, and development builds. The role requires strong mechanical engineering fundamentals, CAD proficiency, materials and manufacturing knowledge, and international travel up to 20%.

Own end-to-end product features for a SaaS platform serving HR, therapists, and employees. Build, scale, and evolve frontend and backend components, lead architecture and standards, collaborate with design and product, and incorporate customer feedback and QA. Work in an early-stage startup environment with product-focused ownership.

Leads the mechanical product development of Emtek handles and entryways from concept through production. Responsibilities include technical planning, risk mitigation, design reviews, DFM/DFA, manufacturing process development, failure analysis, tolerance stack-ups, supplier collaboration, intellectual property development, and mentoring engineers. The role partners with marketing, sales, quality, manufacturing, purchasing, designers, and international suppliers to deliver reliable, cost-effective products.

Build Passport, WorkOS’s identity and device-access product, with a frontend focus and full-stack ownership. Responsibilities include creating onboarding and access-management experiences, working directly with customers, simplifying complex identity workflows, implementing authorization behavior, collaborating with design and security teams, and shaping AI-agent access to company tools. The role requires strong product judgment, frontend engineering expertise, API and data-model understanding, and the ability to ship and iterate user-facing features.

Translates custom customer requirements into buildable engineering solutions for architectural glass, glazing, and metals products. Develops BOMs, manufacturing methods, drawings, quote configurations, process documentation, corrective actions, and engineering change notices. Collaborates with estimating, production, sales, procurement, planning, and quality to resolve feasibility issues and improve manufacturing processes. Uses CAD, ERP systems, Excel, and light scripting or automation to connect systems and streamline manual workflows.

Develops consumer wellness products from ideation through launch, serving as a hands-on engineer and project manager. Responsibilities include engineering problem-solving, prototyping, user testing, ergonomics, product validation, technical documentation, cost management, and coordination with engineering, manufacturing, supply chain, marketing, science, and sales teams. The role also conducts market and competitive research, manages product quality and improvements, and supports successful mass production and launch.

Build polished, responsive front-end applications for Chiri Brain and client-specific AI solutions. Design user flows, prototypes, interfaces, reusable components, and design systems while integrating APIs, authentication, business data, agent workflows, and security controls. Work directly with customers and stakeholders to understand needs, rapidly prototype, gather feedback, and ship production-quality software. Help establish scalable front-end architecture and use AI-assisted development tools to accelerate delivery.

Build and launch marketplace software for rare coins and precious metals, including listings, trading, checkout, payments, accounts, and customer-facing web experiences. Develop backend services and APIs, improve fraud prevention and payment reliability, collaborate with product, design, growth, support, and operations, and use customer feedback and product data to guide improvements. Contribute to architecture, code reviews, and engineering mentorship.

Full-stack product engineer (backend-focused) who builds scalable NodeJS services, crafts React/TypeScript UIs, designs APIs, writes well-tested code, optimizes PostgreSQL queries and data pipelines, improves observability, and contributes to architecture and engineering practices for a fintech platform.

Design, test, document, and deploy geospatial software solutions for defense and intelligence imagery. Integrate analytical toolkits with ArcGIS, define user requirements, lead lab testing and automated QA efforts, and collaborate on software releases. The role applies remote sensing, photogrammetry, image processing, and AI while mentoring colleagues and managing project dependencies.

Work full-stack on a small mobile-focused engineering team building a product-first React Native app. Contribute to product ideation, UX, analytics, and deliver features across frontend and backend (GraphQL, PostgreSQL). Report to Head of Engineering and collaborate on technical decisions, pair-program, and help shape product strategy in a fast-paced startup.

Design and implement secure flow-of-funds, custody, and settlement systems for a Solana-native yield-bearing stablecoin. Build on-chain minting/redemption, integrations with DEXs, lending markets, custodians, and bridges; develop institutional-grade key management and failure-handling for cross-chain and off-chain settlement.

Build end-to-end features for marketing and growth SaaS products, including interactive user interfaces, CRUD applications, backend APIs, analytics platforms, observability tools, and ML integrations. Collaborate with customers, designers, product managers, and ML engineers to translate real-world needs into intuitive products and experiments. Independently architect frontend systems while contributing to backend data models and API design.

Build and maintain scalable backend systems and data pipelines for healthcare workflows. Collaborate cross-functionally to automate provider and patient workflows, prototype features, ship production-ready code, and ensure systems are maintainable and scalable.

Build and ship high-quality product features, design robust architectures, lead technical execution, collaborate on product roadmap with leadership and GTM, and take projects end-to-end from planning through CI/CD and productionization.

Develop and support the Fusion Governance, Risk, and Compliance platform, including workflows, dashboards, assessments, integrations, data migrations, and enterprise application enhancements. Translate business requirements into technical solutions, troubleshoot platform and integration issues, support deployments and upgrades, and maintain secure, reliable production systems. Collaborate with product managers, architects, analysts, vendors, and business partners while supporting risk, compliance, audit, internal controls, and third-party risk programs.

Own developer-experience workflows from discovery through adoption, acting as product manager, designer, and engineer. Build internal tools including TypeScript and React interfaces, backend services, APIs, CLIs, CI/CD integrations, and AI-enabled workflows. Conduct user research, define product scope, design experiences, ship software, measure adoption, and drive rollout. Candidates need 5+ years of software engineering experience and experience building developer-facing products.

Build and deliver AI-powered healthcare products using React, Node.js, Python, and modern full-stack technologies. Partner with customers, designers, researchers, and product teams to understand workflow needs, design intuitive AI experiences, and own features from ideation through deployment, optimization, and scaling. The role requires strong product instincts, end-to-end software engineering ownership, and experience building production-grade applications.

Build identity, login, registration, and account experiences for Android mobile and Android TV using Kotlin. Develop shared Android SDKs, feature-flagged releases, A/B tests, telemetry, and privacy-related functionality at large scale. Diagnose Android device issues, maintain code quality through testing and reviews, document integrations, and collaborate with product, data science, design, legal, and privacy teams.

Build polished, intuitive marketing and growth product interfaces end-to-end. Collaborate with customers, designers, product managers, solutions engineers, and ML engineers to understand needs and deliver features. Architect complex frontend systems, develop CRUD applications, and apply strong backend API design and data-modeling skills using React, TypeScript, and Go.