Top Tech Jobs & Startup Jobs in Los Angeles, CA

Build, test, release, and maintain native Android and iOS applications across a portfolio of consumer mobile products. Use Kotlin, Swift, modern mobile frameworks, automated testing, analytics, experimentation, and AI coding agents to deliver high-quality software. Collaborate with product, design, marketing, operations, and engineering teams, measure user impact, manage app-store releases, and adapt across codebases and product pods.

Lead engineering ownership of an acquired consumer VPN product from due diligence through integration, stabilization, and growth. Manage and coach engineers while remaining hands-on with Kotlin, Swift, Go, architecture, operations, security, and production incidents. Establish testing, CI/CD, infrastructure, documentation, and compliance practices; partner with product, corporate development, marketing, and operations; and create a repeatable engineering playbook for future acquisitions.

Own and scale production backend systems using Ruby on Rails, PostgreSQL, Sidekiq, APIs, microservices, queues, and distributed architectures. Diagnose and improve reliability, security, performance, observability, testing, and deployment practices. Integrate third-party services, collaborate with product, data, design, and frontend teams, and modernize inherited systems while maintaining delivery speed. The role requires strong production ownership, pragmatic technical judgment, and comfort working remotely in a fast-moving startup.

Own and evolve the backend and Go networking engine for a consumer VPN product. Responsibilities include stabilizing production systems, developing account, subscription, server-selection, and WireGuard APIs, integrating payment and analytics platforms, improving security, testing, observability, documentation, and CI/CD, and collaborating with mobile, infrastructure, product, and operations teams.

Own Android and iOS mobile development for a large consumer VPN product. Inherit and modernize existing codebases, integrate native VPN networking libraries, improve security, testing, CI/CD, release management, and app-store compliance. Collaborate with product, design, backend, DevOps, and marketing teams to deliver reliable user-facing features. Diagnose networking issues across mobile and Go components, optimize connection performance, and use AI coding agents responsibly.

Own and optimize ad monetization and yield strategy across Mode’s mobile app portfolio. Responsibilities include managing mediation, waterfalls, pricing floors, ad placements, demand partners, creative quality, and user segmentation; analyzing ARPDAU, eCPM, fill rate, and LTV; conducting experiments; and partnering with product, engineering, data, growth, and advertising teams to increase revenue.

Manage and optimize paid mobile user acquisition campaigns across Meta, Google, TikTok, DSPs, and rewarded networks. Own or inform ASO strategy, including keywords, store listings, and competitive positioning. Analyze performance against CPI, CPA, LTV, conversion, and payback goals; collaborate with creative, product, and data teams on testing. Identify new growth channels and build AI-enabled workflows for reporting, creative testing, and ASO monitoring.

Own subscription monetization and pricing strategy across mobile apps, including paywall experimentation, packaging, subscriber retention, churn reduction, win-back programs, and vendor management. Analyze cohorts and funnels to improve conversion, ARPU, LTV, and revenue yield. Partner cross-functionally with product, engineering, data, analytics, and growth teams while applying AI tools to accelerate experimentation and reporting.

Lead NGL’s product, growth, strategy, team, P&L, and revenue end to end. Scale its viral consumer social platform while preserving authenticity, increasing engagement and retention, and expanding monetization through advertising, subscriptions, and new revenue models. Drive rapid experimentation, global expansion, talent recruitment, and cross-functional collaboration with Mode’s growth, data, and product teams.

Lead subscription and ad monetization across Mode's mobile app portfolio. Own pricing, paywall experimentation, subscriber lifecycle (churn reduction, win-back), vendor tooling (RevenueCat, Superwall), and programmatic ad yield (AdMob, AppLovin MAX). Partner with product, engineering, and analytics to optimize conversion, ARPU, LTV, and retention while embedding AI tools into workflows.