Staff Software Engineer, Growth

About the Role: The Growth team is responsible for building and optimizing the UI/UX across all Web and OTT applications at Tubi. The team primarily focuses on implementing features related to full funnel user acquisition and growth, including SEO user registration, onboarding, and account management. As a Staff Engineer (L5) on this team, you act as the technical leader for one or more Growth areas. You own the technical architecture and direction, solve ambiguous problems that few others can, and influence cross-functional teams across multiple pods. You will work closely with Product and Design to develop cutting-edge, experiment-driven features, while driving the front-end architecture that ensures performance and scalability for millions of users. You will be working with React, Node.js, GitHub Actions, Terraform, and CDN infrastructure to build and deploy high-performance applications that reach millions of users. This is a hybrid role based out of our Toronto office. You must be willing to travel to our Toronto office two days/week. What You'll Do: Own the technical roadmap and architecture for a Growth area with large amounts of ambiguity: driving direction across web, mobile web, and smart TV platforms, and influencing the team to invest in new projects. Solve challenging, ambiguous problems with a focus on scalability and performance; proactively identify systemic issues and propose innovative solutions. Lead and drive innovation in building experiment-driven features; independently design, implement, and interpret a series of A/B experiments that move growth metrics. Lead and coordinate major rollouts and releases: including cross-team coordination, migrations, and phased releases of major initiatives across Web and OTT apps. Establish team-wide quality and engineering standards; set the bar for code quality and front-end best practices. Identify and implement improvements in shared UI components, platform-specific optimizations, and overall fr

About Gusto At Gusto, we're on a mission to grow the small business economy. We handle the hard stuff — payroll, health insurance, 401(k)s, and HR — so owners can focus on their craft and their customers. With teams in Denver, San Francisco, and New York, we support more than 500,000 small businesses nationwide and are building a workplace that reflects the people we serve. All full-time employees receive competitive base pay, benefits, and equity (RSUs) — because everyone who helps build Gusto should share in its success. Offer amounts are determined by role, level, and location. Learn more about our Total Rewards philosophy . AI is a fundamental part of how work gets done at Gusto. We expect all team members to actively engage with AI tools relevant to their role and grow their fluency as the technology evolves. AI experience requirements vary by role and will be assessed during the interview process. We’re looking for a seasoned full-stack software engineer to join Gusto’s Growth team and lead the next generation of AI-powered customer acquisition, onboarding, and lifecycle engagement experiences. This role is best suited for an engineer who enjoys operating across the full product lifecycle, from shaping early concepts and technical direction through launch, evaluation, iteration, and long-term ownership in production. On this team, you’ll help define and build customer-facing AI systems that make Growth experiences more effective, more personalized, and easier to scale. In particular, this role will focus on two strategic areas: building an AI Voice Agent that supports onboarding of new customers, and building and scaling AI-driven email experiences across the funnel powered by ACE, our LLM-powered content generation engine. The expectation is not just experimentation, but clear ownership of production workflows and measurable customer impact within Growth. If you're drawn to work that combines technical craft with real-world impact — helpi

About Gusto At Gusto, we're on a mission to grow the small business economy. We handle the hard stuff — payroll, health insurance, 401(k)s, and HR — so owners can focus on their craft and their customers. With teams in Denver, San Francisco, and New York, we support more than 500,000 small businesses nationwide and are building a workplace that reflects the people we serve. All full-time employees receive competitive base pay, benefits, and equity (RSUs) — because everyone who helps build Gusto should share in its success. Offer amounts are determined by role, level, and location. Learn more about our Total Rewards philosophy . AI is a fundamental part of how work gets done at Gusto. We expect all team members to actively engage with AI tools relevant to their role and grow their fluency as the technology evolves. AI experience requirements vary by role and will be assessed during the interview process. About the Role: Getting started on Gusto should feel effortless — the path from "I just signed up" to “my business is set up and running on Gusto” is where small business owners need us most, and where the biggest opportunity to grow the business lives. We're in the middle of the most exciting shift in Gusto's history: reimagining our product as a proactive AI teammate that doesn't just help small businesses, but does the work for them. Most of that opportunity is still ahead of us — which means this role is full of net-new, 0-to-1 problems to invent and build from the ground up. As a Senior Staff Product Engineer on Growth Onboarding, you'll own the experience that turns curious signups into activated, thriving customers — taking friction out of getting started and meeting customers wherever they are, from the web to SMS, WhatsApp, and third-party AI assistants like ChatGPT and Claude — working full-stack and cross-functionally as both a product builder and a founder. About the Team: Growth Onboarding owns one of the most consequential moments i

In 2026, we launched Computer, the defining product for the new era of agentic AI. Millions of people now use Perplexity to transform knowledge into action, and the Growth team owns the product loops that help them discover, adopt, and build lasting habits around our most important AI experiences. As a growth engineer at Perplexity, you'll work across the full funnel — activation, onboarding, SEO, lifecycle, conversion, retention, and paid upgrade moments — while also building the applied AI systems that make those experiences smarter. Engineers are responsible for end-to-end projects from training and productionizing classifiers to identify high-intent users, personalizing value discovery, shipping contextual onboarding experiments, or wiring new AI capabilities into measurable adoption and revenue outcomes. Growth at Perplexity goes beyond incremental funnel optimization. The team sits close to the core product - we translate behavioral signals, model outputs, and fast experimentation into durable product surfaces used across consumer and enterprise workflows. You'll move fast, run many experiments in parallel, and own the outcome end-to-end. Tech Stack: TypeScript | Next.js | React | Python | PostgreSQL | Eppo | AWS Why Perplexity is different Craftsmanship. We build high quality, tasteful products targeting both the AI native and AI curious. Ownership. You identify the problem, design the solution and ship it. Entrepreneurship. We think like founders, act with urgency, and hustle to deliver for each other and our users. Scholarship. Work among highly talented peers, pursuing knowledge and truth, upleveling ourselves, our teams, and our products. Partnership. We amplify each others' strengths, break down silos, and give selflessly to help our colleagues deliver excellence. What you'll do Design, build, and own growth surfaces across the full funnel — activation, onboarding, SEO, lifecycle, conversion, retention, and paid upgrade moments — for Computer and every P

WHO WE ARE: Zinnia is the leading technology platform for accelerating life and annuities growth. With innovative enterprise solutions and data insights, Zinnia simplifies the experience of buying, selling, and administering insurance products. All of which enables more people to protect their financial futures. Our success is driven by a commitment to three core values: be bold, team up, deliver value – and that we do. Zinnia has over $180 billion in assets under administration, serves 100+ carrier clients, 2500 distributors and partners, and over 2 million policyholders. WHO YOU ARE: We are seeking a highly skilled Staff API Developer . As a Staff API Developer, you will be responsible for designing, documenting, and maintaining the enterprise APIs using industry’s best practices and standards. You will work closely with our fellow engineers to implement API gateway capabilities and automate the process for the rest of the Zinnia teams to consume. You will collaborate closely with developers in API management team to create and implement CI/CD process to deploy enterprise APIs and API gateway capabilities. WHAT YOU’LL DO: Design, document, and implement API standards and best practices for Zinnia enterprise APIs. Collaborate with the API management team to implement API gateway capabilities such as traceability, monitoring, security, and analytics. Design and maintain Zinnia’s next level enterprise Search with natural language capabilities and scalability across multiple resources and dataset. Write and maintain existing and new enterprise APIs with polyglot architecture and languages Understand the existing software development and deployment lifecycle for the API management team and help implement the improvements to better the existing process. Catalog existing APIs. Create and maintain developer portal for the enterprise APIs. Implement and automate the unit, functional, integration and contract testing for all internal and external APIs. Write high-qual

About the Team The Notification Hub and Experience team is a product-focused engineering team responsible for one of the company's most scalable growth levers. Our mission is to deliver intelligent, personalized notifications that reach the right user, in the right channel, at the right time. The Notification Hub is the home of comms personalized to you, where every notification a customer has ever gotten lives on, browsable and actionable, so a missed push never means a missed deal. We operate at a massive scale, and we are transitioning from a campaign-centric mode to a fully personalized experience that treats notifications as a sequential, over-time experience with continuously learning from user behavior. About the Role We are looking for a Staff Backend Engineer to join our team. As a Staff Engineer, you are a technical leader and trusted advisor — you set the engineering excellence bar, own ambiguous cross-functional problems, and shape the roadmap for your domain. You will be the technical visionary leading our transition into high-level autonomy. You will drive the architecture and strategy for our notification experience at massive scale, while making every notification smarter, more timely, and more relevant for millions of customers. This role requires a deep understanding of distributed systems, AI fluency, and a product-minded approach to technical leadership. You will be responsible for building a system that balances immediate conversion value against long-term reachability costs. You’re excited about this opportunity because you will… Technical Leadership & Architecture Define and own the multi-quarter technical strategy for notification hub and experience team. Architect the notification system and experience, moving from campaign centric notification to an integrated personalized system that reasons over the entire user notification lifecycle. Make high-quality architectural decisions across relevance, latency, and system complexity Raise the