Software Engineer - AI Development Tools

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 …

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.

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.

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

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.

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

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.

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.

Join our dynamic team at Xsolla as a Senior Software Engineer specializing in Marketing Tools, where you will leverage your expertise in React Native and web technologies to build innovative solutions that enhance our marketing capabilities.You will collaborate closely with cross-functional teams to design, develop, and optimize high-performance applications that meet our clients' needs. Your role will be pivotal in driving the success of our marketing initiatives through your technical acumen and problem-solving skills.

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.

Rebuild Manufacturing is building an AI-powered platform to improve hardware product development. The platform connects with tools that hardware teams already use, helping them track change requests and share important context. By coordinating across different disciplines, it keeps projects moving smoothly as requirements shift. Supported by a parent company with deep roots in engineering and manufacturing, the team is focused on closing communication gaps in hardware development. The goal: make sure every update and decision reaches the right people at the right time. Role overview The Senior AI Engineer will design and build the core AI agents that drive the platform. This work involves developing systems that can spot potential issues in hardware workflows, offer timely assistance, and help teams stay aligned as projects evolve. What you will do Create AI systems that integrate with existing engineering tools Develop features to coordinate change requests and share critical information Build solutions that help engineering teams anticipate and resolve workflow challenges Locations Greater Boston, MA Los Angeles, CA United States (other locations considered)

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

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.

OverviewAt Dialogue AI, we are pioneering the future of customer research. Our innovative platform leverages AI agents to streamline the creation of studies, facilitate interviews, and extract valuable insights, empowering teams to understand their customers more efficiently than ever before.As a Founding Software Engineer, you will play a pivotal role in developing our product, infrastructure, and AI systems to deliver a user-centric solution that you can truly take pride in. You will work closely with a founding team comprised of experts from top technology companies and esteemed universities, contributing to both the product development and the organizational culture as we grow.Learn more about us at Dialogue AI

We are looking for a forward-thinking AI Developer to become a vital part of our innovative team. The ideal candidate will play a key role in designing, developing, and optimizing cutting-edge artificial intelligence algorithms and applications that significantly enhance our business processes and create impactful solutions.

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.

About Rebuild Manufacturing and Reflow Rebuild Manufacturing is launching Reflow, an AI-driven platform built for hardware product development. Reflow connects the many tools that hardware teams use, keeps track of every project detail, and helps coordinate changes across disciplines. The goal: eliminate missed change requests and overlooked context that slow down engineering work. Backed by a leader in engineering and manufacturing, Reflow offers a chance to shape a product that replaces outdated spreadsheets and status meetings for hardware teams. Role Overview: Senior Frontend Engineer This Senior Frontend Engineer role focuses on building and refining the user experience for Reflow. The position is hands-on and central to the team’s success. The engineer will write code daily, guide frontend architecture, and help grow the design system as the product evolves. Location options include Greater Boston, MA; Los Angeles, CA; or Seattle, WA. What You Will Do Build production-ready React applications using TypeScript Create and maintain a shared component library Design interfaces for structured engineering data, requirements with traceability, phase/gate tracking, dependency graphs, task boards with discipline tags, and version-controlled project plans Develop interfaces for AI agent interactions, including streaming chat, proactive coordination alerts, and AI-generated status summaries and deliverables (such as proposals, SOWs, and reports) Implement portfolio-level dashboards for engineering leaders and executives to visualize cross-project cost, schedule, and risk Write well-tested code using unit and end-to-end tests Work closely with backend engineers for API integration and client SDK usage Contribute to frontend architecture discussions and help expand the design system Who We’re Looking For Experience deploying production React applications Strong opinions on component architecture and design systems Familiarity with AI coding tools such as Cursor, Copilot, or Claude Interest in building interfaces that are fast, intuitive, and enjoyable Comfort working closely with hardware and software teams to design tools for structured engineering artifacts and real-time project insights

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.

Hadrian - Pioneering the Future of ManufacturingAt Hadrian, we are revolutionizing the manufacturing landscape by developing autonomous factories that empower aerospace and defense industries to produce rockets, satellites, jets, and ships at unprecedented speeds and reduced costs. Our innovative approach integrates cutting-edge software, robotics, and comprehensive manufacturing solutions, fundamentally transforming America's production of critical components.With recent funding of $260 million in our Series C round, we are poised to accelerate our mission. We are thrilled to announce the opening of our new 270,000-square-foot factory in Mesa, Arizona, which will create 350 immediate job opportunities. Additionally, we are establishing a new headquarters to support thousands of future hires, launching Hadrian Maritime to cater to the naval production sector, and introducing a Factory-as-a-Service model that provides complete systems rather than just individual components.At Hadrian, we partner with startups, Tier 1 and Tier 2 suppliers, and major defense contractors across aerospace, shipbuilding, and aviation to scale production, lower costs, and expedite delivery on mission-critical programs. Our vision is backed by leading investors, including Lux Capital, Founders Fund, and Andreessen Horowitz. Our rapidly growing team is united by a shared commitment to reindustrialize American manufacturing for the 21st century and beyond!The Factory-as-a-Service team conducts thorough analyses of our clients' production and supply chain challenges, develops data-driven presentations, designs futuristic factories, and collaborates with the Federal and Strategic sales teams to establish long-term partnerships with the Department of Defense, prime contractors, and other manufacturers.This team plays a crucial role in scoping, designing, estimating costs, scheduling, and conducting technology analyses, while also drafting proposals for significant programs and manufacturing transformations across all production methods and domains.With numerous major programs currently underway, we are rapidly expanding our team to effectively analyze, design, scope, plan, and support the execution of large-scale manufacturing initiatives.Key Responsibilities:Design and develop structural and mechanical forge tooling for both ferrous and non-ferrous aerospace components and assemblies, focusing on various forging processes including mechanical, hydraulic, screw, and horizontal hot forming presses.Collaborate with engineers and vendors to source, build, and implement forge tooling systems.Work closely with technicians to validate, install, and optimize the utilization of forge tooling.Perform Finite Element Analysis (FEA), flow simulations, and die stress evaluations to validate design integrity.Document technical specifications, user guides, and operational protocols.