Senior Software Engineer, Marketing Tools (React Native / Web)

Riot Games is looking for a Manager, Software Engineering to guide the Tools & Frameworks team within the Developer Connections group. This team creates internal tools and frameworks that help other development teams work more efficiently. What you will do Lead and support engineers building developer productivity tools and frameworks Foster collaboration and encourage sharing of knowledge across the team Promote creative problem-solving and drive technical innovation Oversee engineering projects from initial planning through to delivery Locations Los Angeles, USA Mercer Island, USA Redwood City, USA

Join Whatnot as a Software Engineer specializing in AI Development Tools, where you will be part of a dynamic team dedicated to building innovative solutions that enhance the user experience. You will play a crucial role in designing, developing, and implementing cutting-edge AI tools that streamline processes and improve productivity. If you are passionate about artificial intelligence and eager to make an impact, we want to hear from you!

Join Whatnot as a Software Engineer specializing in AI Development Tools. In this dynamic role, you will contribute to the design and implementation of cutting-edge AI tools that enhance user experience and streamline workflows. Collaborate with a talented team of engineers and data scientists to push the boundaries of technology and deliver innovative solutions.

Company OverviewAnySignal is an innovative startup dedicated to pioneering the next era of RF products and services. Our mission is to deliver a versatile platform that meets the rigorous demands of space and defense missions, ensuring exceptional performance that is easy to deploy, monitor, purchase, and upgrade.Our diverse team brings together expertise from fields such as cloud computing, artificial intelligence, communications, sensing, embedded systems, and more.Role SummaryWe are seeking a talented Software Engineer to design, optimize, and maintain the foundational software infrastructure that drives advanced modeling and signal processing development at AnySignal. You will contribute to the core systems that empower our engineers to swiftly prototype, simulate, and validate signal processing algorithms, ensuring these tools are efficient, adaptable, and scalable. This position emphasizes software architecture and optimization, making it perfect for engineers who excel at the intersection of numerical computing, performance engineering, and systems design.Key ResponsibilitiesDevelop and enhance core modeling frameworks to support high-speed signal processing simulations and analyses.Modernize existing codebases by translating Python functionalities into high-performance C/C++ implementations as needed.Design reusable, modular libraries that foster experimentation and ensure software-hardware consistency across teams.Collaborate closely with DSP, firmware, and hardware engineers to ensure that modeling tools meet technical and performance requirements.Enhance performance and scalability through profiling, multi-threading, and vectorization techniques.Improve the developer experience by enhancing tools for simulation, visualization, and automated testing.Candidate ProfileDemonstrated experience in designing robust software architectures.Strong proficiency in Python and C/C++.Solid understanding of object-oriented programming and design patterns.

At Riot Games, our engineers possess not only deep expertise in their specific technical fields, but they also appreciate the chance to explore a wide array of broader domains. As a Staff Software Engineer in Tools, you will spearhead vital technical projects and exemplify outstanding engineering practices to your fellow engineers. We utilize both cutting-edge and established technologies to craft innovative solutions that tackle high-volume challenges while delivering exceptional value to our players. In this role as a Staff Software Engineer, Tools on a groundbreaking R&D product, you will design and develop the core components of the tools ecosystem for one of Riot's most thrilling upcoming titles. Collaborating closely with designers, artists, producers, and fellow engineers, you will gather requirements and establish a long-term vision for the developer tooling. Your responsibilities will include hands-on involvement in conceptualizing, planning, implementing, and maintaining the tools that enhance content creation workflows and boost developer efficiency. You will engage with state-of-the-art technology and seek innovative solutions that will surprise and delight our players as we bring this new game to life. You will report directly to the Director of Software Engineering within the team.

Riot Games is seeking a dynamic Software Engineering Manager to lead our Developer Connections and Release team. This role is crucial in driving the successful delivery of high-quality software solutions and fostering innovation within our engineering practices. You will oversee the development process, manage a talented team, and collaborate with cross-functional teams to ensure seamless integration of features and enhancements.In this position, you will be responsible for setting technical vision, mentoring team members, and implementing best practices in software engineering. Your leadership will empower the team to achieve excellence and deliver engaging experiences to our players.

Zoo is building a modern hardware design toolkit aimed at transforming the CAD industry. The company is based in Los Angeles and supports both local and remote teams. Since its founding by Embedded Ventures in 2021, Zoo has focused on creating advanced infrastructure and tools for mechanical CAD, addressing the gap between current software and the demands of today’s hardware design. Role overview The Senior Software Engineer in Language Development will play a central role in advancing Zoo’s next-generation CAD platform. The position centers on KCL, Zoo’s programming language for 3D design. Responsibilities include designing new language features, improving usability, and enhancing the interpreter runtime. This engineer will also integrate KCL into Zoo Design Studio, the company’s custom IDE, allowing users to build KCL programs through a point-and-click interface. What you will do Design and refine features for the KCL programming language Improve the interpreter runtime for better performance and usability Integrate KCL into Zoo Design Studio, enabling intuitive program creation Work with Rust, WebAssembly, and TypeScript to develop advanced developer features Collaborate closely with the engineering team to shape interactive, code-driven design tools For more details about KCL, see the KCL book. Requirements Extensive experience with functional programming languages and interpreters Strong background in modern web technologies Ability to work independently and as part of a collaborative team Curiosity and a drive to explore new approaches Focus on improving user experience

Join Voyager Technologies, a pioneering company in defense, national security, and space technology, dedicated to delivering innovative and mission-critical solutions. We confront complex challenges to foster human progress, strengthen national security, and safeguard essential assets, striving to achieve technological and operational excellence from the ground to the stars.Be a Part of Shaping Tomorrow: Join Voyager TechnologiesThe future is crafted by those who dare to innovate. At Voyager Technologies, we are creating solutions that protect lives, push boundaries, and prepare for the next era. We seek individuals who are driven to solve problems, innovate, and lead. Our roles require courage and commitment.As part of our team, you will play a vital role in establishing the foundation of humanity's future. Experience a culture where innovation flourishes, curiosity is appreciated, and tangible impact is made. We are a community of doers, thinkers, and creators, united by a shared mission and a pragmatic approach.If you want to apply your skills in a high-stakes environment where the mission transcends individual contributions, forge the future with Voyager.

Be a Part of the E-Commerce Revolution with Whatnot!Whatnot stands as the premier live shopping platform in North America and Europe, allowing users to buy, sell, and explore their favorite items like never before. We are transforming the landscape of e-commerce by seamlessly integrating community, shopping, and entertainment into a unique experience tailored for you. As a remote-first organization with teams located across the US, UK, Germany, Ireland, and Poland, we are fueled by innovation and grounded in our core values. Together, we are crafting the next generation of online marketplaces.From trendy fashion and beauty products to cutting-edge electronics and rare collectibles, our live auctions cater to a diverse range of interests.But this is just the beginning! As one of the fastest-growing marketplaces, we are on the lookout for innovative thinkers and problem solvers across all departments. Stay updated with our latest developments through our news and engineering blogs, and embark on this journey with us to empower individuals to transform their passions into successful businesses while fostering community through commerce. Your RoleAs a member of the Inventory team, your mission will be to assist sellers in effectively managing their merchandise on Whatnot, ensuring accurate representation to maximize buyer reach. Our objective is to streamline this process, allowing sellers to focus on what they excel at: engaging with their community and making sales. The Merchant Tooling subteam, dedicated to our largest and most complex sellers, is pivotal in this mission. We are committed to evolving alongside our sellers as they grow their businesses, developing systems that facilitate both external and internal tools to support their scaling needs, including integrations with other e-commerce platforms, WMS, ERPs, and accounting software.In your role, you will design and build large-scale, highly reliable systems that cater to our most demanding customers. Key responsibilities include:Ensuring seamless, bi-directional data synchronization across marketplace, e-commerce, ERP, and additional enterprise systems, focusing on accuracy, consistency, and low-latency data flow.Collaborating closely with cross-functional teams—including Product, Inventory, Operations, and external partners—to identify business needs and translate them into actionable technical solutions.

Role Overview Hadrian Automation is hiring a Senior Engineering Manager for the Builder Tools team in Los Angeles, CA. This leadership role involves guiding a skilled group of engineers focused on automation solutions that improve construction processes. The position carries direct responsibility for product quality, performance, and team development. What You Will Do Lead and mentor engineers working on automation tools for construction Set technical direction and uphold high standards for engineering quality Collaborate with product management and design to deliver solutions that address customer needs Drive projects from concept through delivery, ensuring alignment with company goals Encourage best practices and continuous improvement within the team What We Look For Experience leading engineering teams, ideally in automation or related fields Strong technical background and a record of delivering high-quality products Ability to work effectively with cross-functional partners Strategic thinking and a commitment to mentoring others

Embrace the Future of E-Commerce with Whatnot!Whatnot stands as the premier live shopping platform across North America and Europe, allowing users to buy, sell, and discover beloved items. We’re transforming the e-commerce landscape by integrating community, shopping, and entertainment into a personalized experience. Operating as a remote co-located team, we thrive on innovation while staying true to our core values. With our presence extending across the US, UK, Germany, Ireland, and Poland, we are collectively crafting the future of online marketplaces.From fashion, beauty, and electronics to unique collectibles like trading cards, comic books, and even live plants, our live auctions cater to diverse interests.As one of the fastest growing marketplaces, we are in search of bold, innovative problem solvers across various functional domains. Stay updated with the latest from Whatnot on our news and engineering blogs as we empower individuals to transform their passions into thriving businesses and foster community through commerce. Position OverviewThe Inventory team is dedicated to assisting sellers in efficiently managing their merchandise on Whatnot, ensuring accurate representation to reach a wider audience. Our aim is to streamline this process, allowing sellers to focus on what they excel at: engaging with their community and selling. The Merchant Tooling subteam specifically caters to the needs of our largest and most complex sellers. Whatnot is committed to supporting sellers as they evolve their businesses with us, building systems that facilitate both external and internal tooling for scalable needs, including integrations with other e-commerce platforms, WMS, ERPs, and accounting software.As a member of the Merchant Tooling team, you will be responsible for designing and constructing large-scale, highly reliable systems tailored to support our most intricate customers. Your primary focus will include:Implementing seamless, bi-directional data synchronization across marketplace, e-commerce, ERP, and other enterprise systems, ensuring accuracy, consistency, and low-latency data flow.Collaborating closely with cross-functional teams—including Product, Inventory, Operations, and external partners—to comprehend business needs and translate them into effective technical solutions.

Join Hermeus as a Tooling Engineer, where you'll be pivotal in designing, developing, and validating cutting-edge tooling, fixtures, and ground support equipment. Your innovative contributions will facilitate the prototyping, integration, and testing of advanced structural assemblies for high-Mach and hypersonic aircraft. This role requires creativity, rapid iteration, and collaboration with multidisciplinary teams, supporting our mission in early-stage research and development.

K2 Space Corporation is at the forefront of aerospace innovation, developing the world's largest and most powerful satellites designed to achieve unprecedented performance across diverse orbits. With significant backing of $450 million from top investors such as Altimeter Capital, Redpoint Ventures, T. Rowe Price, and Lightspeed Venture Partners, in addition to over $500 million in signed contracts with commercial and U.S. government clients, we are set to mass-produce the most advanced satellite platforms ever made for missions ranging from Low Earth Orbit (LEO) to deep space.The advent of heavy-lift launch vehicles is revolutionizing the industry, transitioning us from an era of mass constraints to one of mass abundance. Our K2 satellites are engineered to endure harsh radiation environments and fully leverage the capabilities of today's and tomorrow's powerful rockets, delivering exceptional performance at constellation scales across multiple orbits.With several launches scheduled through 2026 and 2027, we are committed to building a more expansive solar system and evolving into a Kardashev Type II (K2) civilization. If you are a passionate and driven individual thriving in a dynamic environment, eager to contribute to the success of a pioneering Series C space startup, we encourage you to apply.

At Riot Games, our engineers possess extensive expertise in specialized technical domains while also embracing opportunities to engage in wider areas of technology. As an Engineering Manager, you will be the driving force behind innovative organizational designs and a mentor to a talented team of engineers. Your role will encompass overseeing performance management, identifying growth opportunities, and fostering accountability within your team.The Infrastructure team at Riot is dedicated to building the essential framework that allows our games to function securely and efficiently on a global scale. As a key member of the Optimize team, you will report to the Senior Engineering Manager and lead a group focused on maximizing our cloud utilization. You will advocate for automation, incident response, and continuous improvement, ensuring our systems remain resilient and adapt seamlessly to evolving player needs. Join us in creating an unparalleled gaming experience that prioritizes our players!

Role Overview Riot Games is looking for an Engineering Manager to lead the Client Build team in Los Angeles. This team builds and maintains the infrastructure that game teams use to create, package, and deliver working game builds. The work supports the Developer Connections (DevCon) initiative, which connects developers worldwide and helps ensure smooth, reliable game launches. What You Will Do Lead and mentor a team of engineers, focusing on their growth, performance, and accountability. Design and implement organizational processes and technical solutions for build systems. Ensure that developers and players have easy access to working game builds, minimizing extra effort for game teams. Collaborate with Game Studios, R&D, and Central Tech to support the delivery of high-quality games on schedule. Report to the Sr. Manager of Software Engineering for Developer Connections. What We're Looking For Experience managing software engineering teams, ideally in build infrastructure or related domains. Ability to mentor engineers and foster professional growth. Understanding of build creation processes and their impact on developer workflows. Strong communication skills and a collaborative approach across technical and organizational boundaries. About the Team The Client Build team sits at the intersection of Game Studios, R&D, and Central Tech. The team's work enables game developers to focus on building great player experiences by providing reliable, efficient build systems and orchestration. The DevCon initiative, which this team supports, is central to Riot's ability to deliver future games to players worldwide.

WHAT YOU’LL DOAs an Engineering Manager at Viant Technology, you will spearhead a dynamic team of skilled backend engineers dedicated to developing low latency, high throughput ad tech systems. This pivotal role calls for a robust technical background in Go/Java (Backend), alongside extensive experience in microservices, serverless architecture, and database systems. Your leadership will be crucial in driving the success of Viant's ad serving and measurement systems. You will oversee the design and implementation of innovative features for our bidding server, working in tandem with partner engineering teams and product management.THE DAY-TO-DAYLead the creation of high-quality features in alignment with product management requirements.Initiate and promote continuous improvement efforts to enhance performance, reliability, and scalability.Participate in coding and design discussions, collaborating with the engineering team to contribute to significant projects, conduct code reviews, and provide technical guidance while balancing leadership duties.Ensure high-efficiency team operations by implementing quality practices, delivering speed in output, and maintaining superior code quality.Cultivate a culture of ongoing growth and improvement through effective coaching, mentoring, and feedback with measurable outcomes.GREAT TO HAVE8+ years of experience in software engineering, including 1-3+ years in managing low latency, high throughput backend teams.Bachelor’s degree in Computer Science or Engineering; Master's degree preferred.6+ years of hands-on programming experience in Java and/or Go.Proven track record of developing large, horizontally scalable distributed systems.In-depth knowledge of various cloud providers and services, particularly AWS and GCP.Experience in building large-scale, customer-facing applications with an emphasis on real-time performance, scalability, and reliability.Strong ability to analyze latency, throughput, CPU/memory profiles, and identify performance bottlenecks in real-time systems.Successful history with agile development and CI/CD practices.Experience in the ad tech industry is a plus.

Renesas Electronics Corporation seeks a Senior Software Development Engineer based in Los Angeles. This position centers on creating software that enables new electronic devices used in automotive, industrial, and consumer applications. Key responsibilities Design and build software solutions for next-generation electronics Collaborate with multidisciplinary engineering teams Apply technical expertise to projects that influence products across several industries This role offers the chance to work on technology that reaches a broad range of markets and end users.

Are you a talented and experienced Tool Engineer looking to make an impact? Join our dynamic team at info-ways in Los Angeles, CA. As a Senior Tool Engineer, you will be responsible for the design, development, and optimization of cutting-edge tools that enhance our engineering processes. This role offers the opportunity to work on innovative projects and collaborate with a team of skilled professionals.

Role overview Renesas Electronics Corporation seeks a Senior Software Development Engineer based in Los Angeles. This position centers on creating and delivering new software solutions that support the company’s next-generation products. Responsibilities include designing and developing software, as well as implementing features that enhance existing systems. The role requires close collaboration with colleagues from various departments to move technology forward and address complex challenges. Key responsibilities Design and develop new software for advanced product lines Enhance and maintain existing software systems Work cross-functionally with other teams to support technology initiatives Location This role is based in Los Angeles.