Principal Senior Mobile Engineer Jobs

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 130 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit www.redditinc.com . We’re looking for a highly strategic Senior Principal Program Manager to join the GTM Excellence team within Reddit’s GTM Strategy & Operations organization. In this heavily executive-facing role, you will operate as a Business Transformation Manager leading large-scale strategic initiatives—specifically owning end-to-end processes, transforming our methodologies, and evolving our systems, data, and products. The ideal candidate brings immense executive presence, strong judgment, and a deep background in digital media forecasting to build the systems and processes that maximize customer-facing time and create a seamless experience for Reddit advertisers. Location: Hybrid. New York, NY; Chicago, IL; San Francisco, CA; Los Angeles, CA Responsibilities: Support core GTM leadership by managing Reddit's largest OPEX planning cycles, overseeing complex roadmaps, and ensuring decision-ready documents are prepared for monthly engagements with executive leadership, including the CRO and COO. Own the end-to-end processes. Example: Manage and optimize stages across the buy cycle, including pipeline, forecasting methodologies, campaign planning, credit checks, credit limits, application, and invoicing. Act as an extension of senior leadership. Engage heavily with the CRO, COO, and cross-functional senior leaders across Finance, Product, Engineering, Sales, and Data Product to gather buy-in, pressure test ideas, and accelerate execution. Break down ambiguous, high-impact opportunities into clear problem statements, develop hypot

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As the Senior/Principal Product Manager for Engine Systems Foundations, you will drive the vision and strategy for the most foundational parts of the Roblox game engine and be hands-on with the execution and delivery of products that impact over 130 million players every day. This team is responsible for the core performance, reliability, and efficiency of the engine, and it owns key features like our memory allocation library, thread/work dispatch system, and the backing APIs that power our creator performance tooling. If you are a visionary product leader who thrives on deeply technical challenges to improve the speed and quality of a system, you’ll be a great fit! The role is based in San Mateo, CA (hybrid with Tues-Thurs onsite). You will: Define the long-term vision and strategy for Systems Foundations, ensuring we have plans in place to continually invest in the core pieces of a high-performance, realtime game engine. Take ownership of the engine-related content in the public Creator Analytics creators use to monitor the experiences on Roblox, ensuring we’re delivering actionable insights. Work with the Creator organization to define and drive end-to-end performance workfl

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. WHY DATA SCIENCE & ANALYTICS? The Data Science & Analytics organization's mission is to increase our speed, frequency and acumen of making decisions at scale by instilling a data-influenced approach to building products. We cover a wide area of the data spectrum including analytical data engineering, product analytics, experimentation, causal inference, statistical modeling and machine learning. Aligned and partnering with product verticals, we use this extensive tool belt to discover new opportunities and unmet use cases, influence and shape the product roadmap and prioritization, build data products and measure impact on our community of players and developers. WHY DISCOVERY EXPERIENCES? Roblox is not just a platform; it is a complex, two-sided marketplace where millions of creators meet over 70 million daily active users. The Discovery Experiences team is the technical heartbeat of this ecosystem. We own the surfaces—Home, Search, Matchmaking, and Notifications—that determine how users navigate the metaverse. As a Data Scientist , you will own the ranking initiatives that power these canvases. You aren't just building models; you are building the economic and social f

We take play seriously. We’re looking for curious adventurers ready to find their party, fueled by imagination and drive to build what’s never been built before. At Hasbro and Wizards of the Coast, you’ll collaborate with passionate teams to reimagine our iconic brands and create experiences that spark joy, connection, and community through the magic of play. This is your chance to shape legendary play that lasts a lifetime. At Hasbro, our mission is to entertain and connect generations of fans through the wonder of storytelling and exhilaration of play. We're looking for adventurous and curious people who want to explore, experiment, and innovate to come up with the best ideas. Our culture has inspired our diverse team of highly skilled, highly creative, and highly committed individuals for 100 years and we believe the best is yet to come. We're hiring a Senior Principal, Technical Product Manager to help turn that vision into reality. This is a highly influential, hands-on individual contributor role with global scope. You'll identify process complexity, design practical automation solutions, and lead AI experimentation that delivers measurable impact for our Marketing, Brand, and Commercial teams worldwide. You'll work at the intersection of business and technology - partnering closely with cross-functional leaders to translate real workflow challenges into scalable, sustainable improvements. Success in this role means simplifying planning and execution processes, reducing manual effort, growing transparency, and introducing AI-enabled capabilities that build tangible business value. If you're motivated by solving meaningful enterprise problems and building practical solutions that make teams more effective, this is an opportunity to build how Hasbro works. What You'll Drive: Process Simplification & Workflow Design Assess end-to-end workflows across Marketing, Brand, and Commercial teams to identify friction, excess, and opportunity. Redesign

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As the Senior/Principal Product Manager for Engine Networking, you will drive the vision and strategy for the game engine networking stack/server aspect of our client-server architecture and be hands-on with the execution and delivery of products that impact over 130 million players every day. This team is responsible for the fundamental competitive game networking stack, from replication and streaming to asset delivery and caching, and our cloud game servers. This includes close partnerships with our broader Infrastructure and Matchmaking teams to ensure our systems are getting the most out of our infrastructure and our players the best experience possible. If you are a visionary product leader who thrives on deeply technical challenges and loves networks, you’ll be a great fit! The role is based in San Mateo, CA (hybrid with Tues-Thurs onsite). You will: Define the long-term vision and strategy for Engine Networking, ensuring we have plans in place to continually invest in the core pieces of a high-performance, realtime connected game engine. Drive execution of new architectural systems, such as our upcoming offline play feature. Work with the Infrastructure organ

Our vision is to transform how the world uses information to enrich life for all. Join an inclusive team passionate about one thing: using their expertise in the relentless pursuit of innovation for customers and partners. The solutions we build help make everything from virtual reality experiences to breakthroughs in neural networks possible. We do it all while committing to integrity, sustainability, and giving back to our communities. Because doing so can fuel the very innovation we are pursuing. As a Senior/Principal NAND Module Process Integration Engineer in the Singapore R&D department at Micron Technology Inc., you will be responsible for designing, developing, integrating, and implementing innovative and effective process solutions to improve next-generation 3D NAND Product Yield and Quality with competitive cost and performance within the required timeline. Your responsibilities will include, but are not limited to, the following: Identify and quantify key module deficiencies and technology gaps. Lead cross-functional teams to address these issues. Improve current process flows and develop innovative solutions to meet product requirements and manufacturability Develop or redefine CSPEC criteria for optimal product performance and drive activities to ensure manufacturing process capability Coordinate activities at the manufacturing site to secure funding for experiments, and conversions, and effectively communicate decisions to relevant R&D, Product Engineering, and Manufacturing partners Undertake development projects to evaluate and implement new integration schemes for alpha and derivative part types. Establish proof of concept for future tech nodes at the manufacturing facility Take on a leadership role at quarterl

Our vision is to transform how the world uses information to enrich life for all. Join an inclusive team passionate about one thing: using their expertise in the relentless pursuit of innovation for customers and partners. The solutions we build help make everything from virtual reality experiences to breakthroughs in neural networks possible. We do it all while committing to integrity, sustainability, and giving back to our communities. Because doing so can fuel the very innovation we are pursuing. As a Senior/Principal NAND Module Process Integration Engineer in the Singapore R&D department at Micron Technology Inc., you will be responsible for designing, developing, integrating, and implementing innovative and effective process solutions to improve next-generation 3D NAND Product Yield and Quality with competitive cost and performance within the required timeline. Your responsibilities will include, but are not limited to, the following: Identify and quantify key module deficiencies and technology gaps. Lead cross-functional teams to address these issues. Improve current process flows and develop innovative solutions to meet product requirements and manufacturability Develop or redefine CSPEC criteria for optimal product performance and drive activities to ensure manufacturing process capability Coordinate activities at the manufacturing site to secure funding for experiments, and conversions, and effectively communicate decisions to relevant R&D, Product Engineering, and Manufacturing partners Undertake development projects to evaluate and implement new integration schemes for alpha and derivative part types. Establish proof of concept for future tech nodes at the manufacturing facility Take on a leadership role at quarterl

Who we are At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences. Our dedication to remote-first work , and strong culture of connection and global inclusion means that no matter your location, you’re part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we’re acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands. . Hiring and how we work We use Artificial Intelligence (AI) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions! Also, while we are a remote-first company, you may be asked to report in person on an ad-hoc basis for team gatherings, functional off-sites or customer meetings. . See yourself at Twilio Join the team as Twilio’s next Senior Principal Field Architect - AI Agents About the job The Senior Principal Field Engineer is a critical, highly visible leader on the Field CTO team who bridges the gap between Twilio's product vision and our customers' needs. In the rapidly evolving era of AI, Twilio takes an open and flexible approach: we want developers to use their preferred AI coding tools and agent builder platforms to get up and running extremely quickly with our platform of APIs across a variety of services that address many use cases. In this P7 Distinguished Engineer role, you will be in R&D and partner with Product, Engineering, Sales and GTM teams to spearhead the launch and adoption of our AI-native platform services. You will be the field engineering linchpin ensuring that the newly launched Twilio Conversations suite and Twilio Agent Connect (TAC) integrate flawlessly with the industry's top AI tools. Your mission is to ensure tha

Our vision is to transform how the world uses information to enrich life for all. Join an inclusive team passionate about one thing: using their expertise in the relentless pursuit of innovation for customers and partners. The solutions we build help make everything from virtual reality experiences to breakthroughs in neural networks possible. We do it all while committing to integrity, sustainability, and giving back to our communities. Because doing so can fuel the very innovation we are pursuing. NAND Device Engineer / Senior / Staff / Principal At Micron Technology, we are transforming how the world uses information to enrich life. As a NAND Device Engineer in the Device Technology Development team, you will play a critical role in shaping next-generation NAND technologies by bridging device physics, array operation, and product requirements . This role offers a unique opportunity to work at the intersection of fundamental device behavior and real-system impact , contributing directly to cutting-edge memory products deployed globally. What You Will Do: Device Understanding & Innovation Develop deep insight into NAND cell physics, variability, and reliability mechanisms across technology nodes and architectures. Analyze electrical characterization data from cell arrays and test structures to identify key limitations and improvement opportunities. Translate device-level understanding into actionable directions for cell design, process optimization, and array operation . Array-Level Optimization & Co-Design Drive device–array co-optimization , including threshold voltage (Vt) placement, distribution control,

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Available Locations US Applications will be accepted until October 13, 2026. About the Role The Global GTM Strategy, Planning and Operations team at Cloudflare supports our high-growth Sales organization through scalable, AI supported GTM planning and operations. We focus on thoughtful planning of sales capacity, segmentation, territory carving, quota setting, and compensation design while ensuring clear rules of engagement for our Sales Team. Our goal

For more than 30 years, SonicWall has delivered a partner-first unified cybersecurity portfolio that helps SMBs, MSPs, and IT teams consolidate network security, endpoint security, security service edge (SSE), and threat response across hybrid environments. By bringing connected technology, real-time threat intelligence, automation, and expert services together, SonicWall helps organizations simplify security operations, achieve better security outcomes, and lower total cost of ownership. Backed by a global ecosystem of more than 17,000 partners, SonicWall delivers enterprise-grade protection built for SMB and mid-market realities. For more information, visit www.sonicwall.com or follow us on X, LinkedIn , Facebook , and Instagram . Role Overview We are seeking a highly skilled and visionary Senior Principal Engineer to lead the architecture, design, and development of our next-generation Enterprise Wireless Access Point (AP) solutions. In this role, you will define the software architecture for state-of-the-art Wi-Fi 6, 6E, and Wi-Fi 7 access points. You will bridge the gap between low-level silicon firmware and high-level cloud management platforms, ensuring our APs deliver enterprise-grade performance, seamless roaming, high security, and cloud-driven scalability. If you have deep expertise in embedded Linux, 802.11 protocols, and cloud-managed networking, we want you on our team. Key Responsibilities Technical Leadership & Architecture End-to-End Architecture: Own the software architecture, design, and delivery of advanced Wi-Fi features from silicon SDK integration up to cloud-managed provisioning systems. Enterprise Wi-Fi Evolution: Design and develop advanced features utilizing Wi-Fi 6, Wi-Fi 6E, and Wi-Fi 7 standards to deliver enterprise-grade performance. Advanced Wireless Feature Design: Architect and implement high-value wireless application features including Wi-Fi Mesh, Neighbor Awareness Networking (NAN),

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. ML Platform @ Roblox today supports hundreds of ML use cases and billions of inferences per day across Discovery, Safety, Engine, and much more. As an Infrastructure Engineer on the ML Platform team, you will design, scale, and maintain the foundational infrastructure powering our entire machine learning ecosystem. We are looking for accomplished engineers to spearhead the development of our next-generation ML tooling and platform capabilities. You will: Bootstrap and maintain Kubernetes and Cloud infrastructure for ML Platform components--Serving Layer, Metadata Store, Model Registry, and Pipeline Orchestrator. Set technical strategy and oversee development of high scale and reliable infrastructure systems. Propose and implement new platform tooling to improve time to production for MLEs and Data Scientists across the full ML lifecycle. Work on infrastructure projects such as GPU fleet management, hybrid-cloud orchestration, and writing custom Kubernetes controllers and resources. Stay abreast of industry trends in machine learning and infrastructure to ensure the adoption of leading-edge technologies and practices. Partner across organizations to build tooling, interfaces, and visualizati

Shape the Future with Dun & Bradstreet At Dun & Bradstreet, we believe data has the power to create a better tomorrow. As a global leader in business decisioning data and analytics, we help companies worldwide grow, manage risk, and innovate. Since 1841, businesses have trusted us to turn uncertainty into opportunity. We’re a diverse, global team that values creativity, collaboration, and bold ideas. Are you ready to make an impact and help shape what’s next? Join us! Explore opportunities at dnb.com/careers. The Senior Principal Data Scientist - AI Lead will be the point of contact for Public Sector / Government stakeholders and will be responsible for end-to-end AI solution delivery. This role will partner with U.S. government agencies on programs that depend on trusted entity data, validation, and risk insight.

Fin is the AI Customer Agent company on a mission to help businesses provide perfect customer experiences. Our AI Agent Fin is the highest-performing AI Customer Agent on the market today, enabling businesses to deliver impeccable, always-on customer support across the customer journey – from service, to sales, to ecommerce. Powered by our own AI models, Fin resolves complex customer issues end-to-end across every channel, with minimal set-up and integration. Fin can also be combined with our natively integrated Intercom help desk for one single system that is designed to meet the needs of modern day support teams. Founded in 2011, Fin became one of the fastest growing companies and remains one of the largest private software companies in the world with nearly 30,000 global businesses using our products to transform their customer support. Driven by our core values, we push boundaries, build with speed and intensity, and relentlessly deliver incredible value to our customers. What's the opportunity? Fin is an AI-first company revolutionizing how customer service is delivered today. Our entire platform is driven by a set of advanced AI Agents, who blend automation with empathy, setting a new standard in customer experiences at scale. At Fin, you’ll help shape the future of AI-first customer experiences, showing our customers the transformative power of artificial intelligence. By inspiring a bold vision and delivering impactful solutions, you’ll make AI-powered experiences not just possible, but a reality for our customers. About the Role There's an enormous difference between building a Fin demo and deploying Fin in production. A Solutions Engineer can stand up an impressive AI agent demo in an afternoon. Making that demo reliably show what Fin actually does - across every channel, every persona, every vertical, in front of the world's most discerning buyers - is a different discipline entirely. That discipline is what we're hiring for. As a founding Fin Demo

Our vision is to transform how the world uses information to enrich life for all. Join an inclusive team passionate about one thing: using their expertise in the relentless pursuit of innovation for customers and partners. The solutions we build help make everything from virtual reality experiences to breakthroughs in neural networks possible. We do it all while committing to integrity, sustainability, and giving back to our communities. Because doing so can fuel the very innovation we are pursuing. Our vision is to transform how the world uses information to enrich life for all. Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate, and advance faster than ever. As a Product Engineer working directly in support of the NAND Product Development Team Leader, your role involves collaborating with cross-functional teams to propel new product development and spearhead the integration of AI solutions into actionable strategies and plans. In this capacity, you represent the NAND engineering team, engaging with strategic partners such as business units, quality assurance, fabrication, testing, and supply chain to ensure a competitive time-to-market for the newest technology nodes, from silicon to system. This role is highly impactful, offering broad scope and high visibility. It presents an opportunity to contribute to Micron’s next generation of technology and product enablement alongside a dedicated and highly skilled cross-functional team. Key Responsibilities: Negotiate and align NAND requirements with business units and SSD development leads, transforming these requirements into qualification specs that guide NAND developmen