Senior Rust Software Engineer at Mozilla | Remote US

Join our innovative team at ditto as a Senior Software Engineer specializing in Rust. In this fully remote role, you will engage in developing high-performance applications, contribute to system architecture, and collaborate with cross-functional teams to deliver exceptional products.

Anduril Industries is at the forefront of defense technology, dedicated to revolutionizing military capabilities for the U.S. and its allies through innovative solutions. By merging the expertise of the most advanced companies of the 21st century with the defense sector, Anduril is redefining how military systems are conceptualized, developed, and implemented. Our systems are driven by Lattice OS, an AI-enhanced operating system that integrates numerous data streams into a real-time, 3D command and control center. In this era of strategic competition, Anduril is steadfast in its mission to deliver cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technologies to the military at an accelerated pace.ABOUT THE TEAMAt Anduril, our Software Engineers are tasked with tackling complex, real-world challenges through sophisticated algorithms and intelligent software integration. Working within small, dynamic teams, we continuously push the limits of technology to create advanced solutions with significant mission-critical applications. Our commitment extends beyond theoretical research or experimental proofs; we gauge our success by the tangible impact of our deployed technologies. Echoing Arthur C. Clarke's sentiment — 'Any sufficiently advanced technology is indistinguishable from magic' — we aspire to achieve revolutionary outcomes in target tracking, state estimation, and situational awareness. We invite exceptionally skilled technologists to join us in redefining the future of defense technology.

About the RoleJoin our mission-driven team as a Senior Rust Software Engineer, where you will develop robust software systems designed to enhance human-machine-AI collaboration and foster autonomous capabilities for military operators operating on the tactical edge.In this position, you will architect and create high-performance systems in Rust that function effectively in constrained and contested environments. Your contributions will span the entire system lifecycle, from architecture and hardware integration to simulation, testing, and field deployment.Work collaboratively with engineers, researchers, and operators to design systems that integrate sensing, autonomy, and decision-making support, all while ensuring traceable, deterministic builds and reliable deployments in mission-critical scenarios.This opportunity is perfect for engineers passionate about systems programming, autonomy, and tackling real-world challenges related to national security missions.

Join Us in Shaping the Future of CryptoAt Kraken, our team of exceptional professionals is driven by a shared commitment to harnessing the power of crypto and blockchain technology.What Sets Us Apart?Kraken is dedicated to a mission that resonates with our core crypto values. As a member of our team, you will play a vital role in advancing global crypto adoption, empowering individuals to achieve financial freedom and inclusion. Over the past decade, our unwavering focus on our mission and crypto principles has attracted some of the brightest minds in the crypto industry.Before you submit your application, we encourage you to explore our Kraken Culture page to gain insights into our values, culture, and mission. We also expect candidates to become familiar with the Kraken app. Discover how to set up your Kraken account here.As a fully remote organization, our Krakenites span over 70 countries and converse in more than 50 languages. Our pioneering team develops cutting-edge crypto products designed for seasoned traders, institutions, and newcomers alike. Kraken is committed to providing top-tier security, crypto education, and world-class client support through our offerings like Kraken Pro, Desktop, Wallet, and Kraken Futures.Become a Krakenite and help shape the future of crypto!

Join Zipline in Revolutionizing Global LogisticsAre you ready to make a meaningful impact in the world? At Zipline, we are dedicated to transforming the logistics industry by solving the most pressing access challenges globally. Our innovative approach has already enabled rapid delivery systems for critical services, from Rwanda's national blood delivery network to on-demand home deliveries for major retailers. We leverage cutting-edge technology, including robotics and autonomous systems, to ensure equitable access to essential goods, reduce carbon emissions, and enhance the resilience of global supply chains. Join us in our mission to create a better future for billions. As a part of our team, you'll play a crucial role in developing and maintaining safety-critical software that powers our operations, ensuring that we deliver our promises to communities worldwide.

At Discord, we connect over 200 million users each month, and gaming is at the heart of what we do. With over 90% of our community engaging in gaming, they spend a staggering 1.5 billion hours monthly across thousands of unique titles. Our mission is to enhance the gaming experience, making it more enjoyable and seamless for everyone to chat and connect, whether before, during, or after they play.We are seeking a Senior Software Engineer who will be instrumental in developing high-performance, cross-platform client software that serves our vast user base. You will be responsible for crafting core libraries that operate across Windows, Mac, Linux, Android, and iOS, utilizing platform-specific APIs to ensure optimal user experiences.As a vital member of our Audio/Video Client team, you will address complex performance challenges, design scalable systems for diverse hardware configurations, and lay the groundwork for real-time interactions that cater to millions of concurrent users.

Shape the Future of CryptocurrencyJoin our exceptional team at Kraken, where we are driven by a shared passion for uncovering the full potential of cryptocurrency and blockchain technology.What Sets Us Apart?Kraken is a purpose-driven organization deeply rooted in cryptocurrency values. As a member of our team, you'll play a pivotal role in our mission to boost global cryptocurrency adoption, enabling financial freedom and inclusivity for all. Over the past decade, our unwavering commitment to our mission and core values has attracted some of the brightest minds in the crypto space.Before applying, we encourage you to visit our Kraken Culture page to better understand our values and mission. We also invite candidates to familiarize themselves with the Kraken platform, and you can learn how to create a Kraken account here.As a fully remote organization, we proudly have Krakenites in over 70 countries, speaking more than 50 languages. Our team members are industry innovators, developing top-tier cryptocurrency products for seasoned traders, institutions, and newcomers alike. Kraken is dedicated to leading industry security, crypto education, and exceptional client support through our innovative products such as Kraken Pro, Desktop, Wallet, and Kraken Futures.Join Kraken and Help Shape the Future of Cryptocurrency!Proof of WorkThe TeamOur Platform and Core Engineering teams are responsible for building robust systems that ensure Kraken's security, resilience, and scalability. Their contributions are measured not by customer-facing features but by the strength and reliability of our infrastructure.

Join our innovative team at Code Metal as a Senior Software Engineer specializing in Rust and Python. We are at the forefront of creating cutting-edge AI-powered transpilation and code generation tools that seamlessly connect algorithm development with embedded deployment. By utilizing the latest advancements in Generative AI, Static Analysis, and Formal Verification, you will play a crucial role in shaping the future of software engineering.This role transcends traditional backend responsibilities; we are searching for engineers with a holistic approach to system design and development. You will engage with user needs and UX, delivering resilient and scalable solutions across the entire technology stack.

Are you enthusiastic about crafting secure, high-performance, and dependable infrastructure? Do you excel at troubleshooting and resolving complex challenges in systems designed for the most demanding GraphQL workloads worldwide? If so, we want to speak with you about the opportunity to contribute to the operation and evolution of next-generation GraphQL runtime infrastructure.The GraphOS organization is responsible for a critical tier of Apollo's platform — the foundational engine that makes GraphOS a highly performant, secure, and reliable self-service GraphQL platform. As an integral member of the GraphOS North America team, you will play a pivotal role in this mission by managing the Router and empowering engineering teams to accelerate their development processes and enhance user experiences.Key ResponsibilitiesDevelop, test, and maintain fault-tolerant infrastructure for GraphQL runtime platforms primarily in idiomatic Rust, ensuring top-tier security, performance, and reliability.Diagnose and resolve escalations from enterprise clients operating some of the largest GraphQL deployments globally, with hundreds of subgraphs handling trillions of requests monthly.Manage and enhance durable, stable public APIs utilized by the most demanding GraphQL workloads.Engage directly with users, whether community members or enterprise customers, to understand their needs, debug issues, and provide feedback for platform evolution.Design scalable and observable systems that seamlessly integrate into various customer infrastructure stacks, utilizing self-driven research and real-world insights.Collaborate with engineers across teams through supportive communication and constructive code reviews to deliver cohesive solutions.Guide and mentor teammates in architecting and crafting idiomatic Rust code while considering the broader implications of changes across domains.Lead architectural discussions and cross-team initiatives, driving impactful changes as a technical leader or coaching others to step into leadership roles.Create comprehensive technical designs and documentation that address cost efficiency, security, and observability.Participate in on-call rotations as a fundamental part of the role, ensuring the reliability of mission-critical systems.

About NextLink LabsNextLink Labs is an innovative technology firm dedicated to empowering businesses in building, scaling, and securing their software applications. We firmly believe that effective and secure technology is crucial for the success of companies, teams, and products. Our commitment is to help our clients excel in their respective sectors.As a fully remote organization with a diverse team across the nation, NextLink Labs prioritizes a collaborative and comfortable work environment. We strive to cultivate an inclusive atmosphere where every team member can flourish both professionally and personally.Position SummaryWe are looking for a talented Senior Rust Developer with extensive experience in systems programming and distributed services to join our Custom Software Development consulting team. In this role, you will be responsible for creating and maintaining scalable backend services and APIs for our clients, seamlessly integrating with their engineering teams.As a Senior Rust Developer, you will design and implement robust backend systems utilizing gRPC, event sourcing, and actor-based concurrency, while making key architectural decisions to rapidly deliver features for enterprise applications built on Clean Architecture and CQRS patterns. If you are a proactive engineer eager to take ownership of your projects, we welcome you to become a part of our team at NextLink Labs.Your ResponsibilitiesDesign, develop, and maintain scalable backend services using Rust (Edition 2024) with Tokio as the async runtime.Implement and enhance Clean Architecture with CQRS and Event Sourcing patterns using actor-based concurrency (Kameo).Collaborate with fellow engineers to architect and implement modular, well-structured solutions across workspace crates (model, domain, data, service).Engage directly with clients to provide demonstrations and gather feedback.Develop gRPC services using Tonic and Protocol Buffers with Prost for inter-service communication.Build and optimize data access layers using SQLx with PostgreSQL/TimescaleDB and Neo4j.Implement request validation utilizing Garde.Participate in an agile team environment with daily stand-ups and weekly agile meetings.

About Us:Syndica is at the forefront of Web3, providing essential applications with robust, enterprise-level RPC infrastructure and developer tools specifically designed for the Solana ecosystem. By joining our innovative team, you'll be challenged technically and surrounded by individuals who are passionate about revolutionizing infrastructure technologies.We are proudly supported by visionary partners and investors, including Chamath Palihapitiya of Social Capital, Steve Jang of Kindred Ventures, Joe McCann of Asymmetric, Jump Crypto, Coinbase Ventures, Solana Ventures, Circle Ventures, and many more.About You:You are a skilled engineer who excels in a collaborative and dynamic environment.You have a keen interest in contributing to the decentralization of blockchain technologies.You possess 3+ years of relevant professional experience with Rust (experience in memory-managed languages such as Zig/C/C++ is a bonus but not mandatory).You hold a Bachelor’s degree in Computer Science or have equivalent experience.About the Role:In your role as a Senior Engineer, you will be instrumental in designing and developing a high-performance Solana validator client from the ground up.You will collaborate with a team dedicated to building a new open-source Solana validator client, Sig, utilizing the Zig programming language. For more technical insights into the project, please refer to the original announcement here.Your primary responsibilities will include understanding the Agave validator implementation codebase, which is written in Rust, and translating, optimizing, and enhancing this implementation in Zig (check out the current work here!).Key Responsibilities:Understanding and Communicating Rust Code: Accurately mapping and communicating the functionality of the existing Rust client.Writing High-Quality Code in Zig: Translating Rust code into Zig, ensuring performance and readability.... (additional responsibilities)

Join Keeper Security as a Senior Client Software Engineer!We are seeking a talented Senior Client Software Engineer to enhance our engineering team. This position is fully remote, with options for a hybrid schedule available for candidates in the Chicago, IL or El Dorado Hills, CA metro areas.Keeper Security is a trusted name in cybersecurity, safeguarding millions of individuals and thousands of organizations worldwide. Our software is available in 23 languages and sold in over 150 countries. Be part of one of the fastest-growing cybersecurity companies and contribute to creating secure, enterprise-ready client experiences that promote scalable deployment, exceptional usability, and seamless device management.About Keeper SecurityKeeper Security is a leading cybersecurity software company, protecting organizations and individuals across the globe. We specialize in zero-knowledge and zero-trust security solutions tailored for any IT environment. Our flagship product, KeeperPAM®, is an AI-driven, cloud-native platform that secures users, devices, and infrastructures against cyber threats. Recognized in the Gartner Magic Quadrant for Privileged Access Management (PAM), Keeper provides robust security for passwords, secrets, remote connections, and endpoints through role-based policies, least privilege, and just-in-time access. To learn more about our innovative approach, visit KeeperSecurity.com.Role OverviewIn this role, you will focus on developing client-side applications, overseeing installation workflows, enhancing the end-user interface, and supporting enterprise deployment. The ideal candidate will possess extensive experience in C# and Rust, and a solid background in building scalable desktop or endpoint client applications managed via enterprise deployment tools and MDM platforms.Key ResponsibilitiesDesign, develop, and maintain client-side applications and features for Keeper's desktop and endpoint experiences.Enhance installation, configuration, upgrade, and update workflows for client software.Develop user-facing functionality and administrative controls using C# and Rust.Support enterprise deployment scenarios utilizing MDMs, endpoint management, and software distribution tools.Collaborate with product, support, and engineering teams to enhance usability, reliability, and client performance.Implement client-side workflows for enrollment, setup, policy application, status visibility, and user notifications.Troubleshoot application issues and provide resolutions.

Principal RUST Software EngineerJoin our dynamic team in Washington, DC as a Principal RUST Software Engineer, where you will play a pivotal role in advancing our mission-critical systems. This is a full-time, onsite position with a unique 9/80 work schedule that grants every other Friday off. Candidates must hold a Department of Defense (DoD) Secret Clearance.Compensation ranges from $200,000 to $250,000, complemented by bonuses and comprehensive benefits.OverviewWe are on the lookout for a Principal RUST Software Engineer to act as a principal technical leader in the strategic transformation of our systems. This role transcends traditional coding; it involves providing architectural guidance and spearheading organizational advancements. You will define the RUST engineering roadmap, ensure robust security measures, and mentor engineers at various levels within our C5 and Cyber Solution Centers. As a vital member of a Scrum team, you will help shape the future of secure, high-assurance software in the aerospace and defense industry.Key ResponsibilitiesRUST Strategic Leadership: Lead the development and implementation of a comprehensive strategy for the adoption and integration of RUST across multiple mission-critical product lines, aligning technical efforts with long-term business objectives.Architectural Guidance & Standards: Establish and uphold best practices, design patterns, and architectural standards for RUST, focusing on memory safety and efficiency, particularly in resource-constrained embedded systems.Technical Mentorship & Development: Act as the primary technical mentor and subject matter expert on RUST, enhancing the skill set of the engineering team through guidance and review.Legacy Modernization: Oversee the integration and conversion of legacy C/C++ software components into production-ready RUST solutions, with an emphasis on security and performance.High-Assurance Software Development: Utilize your expertise in computer science and engineering to create maintainable software primarily in RUST, C/C++, and Python for embedded real-time operating systems.Advanced Troubleshooting: Identify, diagnose, and resolve complex technical issues such as race conditions and memory problems at the system level.

Role overview GDMSI seeks a Senior Embedded Software Engineer for its Hastings team. The position centers on designing and building embedded software using C, ADA, and RUST. Projects involve a variety of technology solutions that support company priorities. What you will do Develop, test, and maintain embedded software written in C, ADA, and RUST Contribute to architecture and implementation choices for embedded systems Collaborate with fellow engineers to deliver reliable, maintainable solutions Troubleshoot and resolve complex technical challenges as they come up Requirements Extensive experience in embedded systems development Proficiency with C, ADA, and RUST Ability to tackle challenging problems in a team environment Dedication to producing high-quality, well-tested software Location This role is based in Hastings.

At Ripple, we are pioneering a future where value transfers as seamlessly as information. Our innovative crypto solutions empower financial institutions, businesses, governments, and developers, striving to enhance the global financial system while fostering economic fairness and opportunity for individuals worldwide. Join us in doing the most impactful work of your career, surrounded by supportive colleagues committed to growth and excellence.If you're eager to make a difference and unlock remarkable career advancement, we invite you to join us in creating tangible value in the world.The TeamRippleX is committed to enabling the builders of tomorrow on the XRP Ledger (XRPL), recognized as one of the fastest and most dependable public blockchains globally. Our mission is to democratize the digital economy by providing substantial support, empowering a community of developers, and leveraging our expertise as a forward-thinking technology company.The Programmability team is at the forefront of this mission, dedicated to enhancing the XRP Ledger's core capabilities to incorporate smart contracts and sophisticated on-ledger functionality. We are in search of talented engineers who are driven by the vision of advancing decentralized applications.Your ResponsibilitiesArchitect, develop, and maintain critical components of the XRP Ledger to improve its programmability, smart contract functionality, performance, and scalability.Lead the integration and upkeep of a WebAssembly (WASM) virtual machine within the XRPL’s C++ core.Participate in the entire software development lifecycle, from architecture and design to development using modern C++ and Rust, alongside rigorous testing.Produce system design documents and facilitate technical discussions with both internal and external engineering stakeholders.Maintain high standards for coding and testing as a proactive member of the open-source XRP ledger community, including active involvement in code reviews.

Join SciTec, a leading non-traditional defense contractor dedicated to advancing U.S. National Security and Defense. With over 45 years of experience, we have consistently supported the Department of Defense by developing cutting-edge remote sensing algorithms, tools, and techniques that enhance missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability missions.Important Notice: All SciTec employees must be U.S. citizens due to our exclusive focus on U.S. government contracts. Applications from non-citizens will not be considered.We are currently seeking a skilled engineer to join our team and contribute to the development of Next-Generation Missile Warning software. This role offers a unique chance to work within a small, agile team that plays a critical role in national defense. You will be responsible for processing Overhead Persistent InfraRed (OPIR) sensor data for Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence.As a Staff or Senior Staff Rust Software Engineer, you will design, implement, and enhance high-performance software systems in a secure and mission-driven environment. This position is ideal for an experienced engineer who excels in independent work on complex technical challenges, contributes to system architecture and design, and collaborates effectively with cross-functional teams.

SciTec, a subsidiary of Firefly Aerospace, develops technologies for U.S. National Security and Defense. With over forty years in the field, the team specializes in remote sensing algorithms and data exploitation, supporting areas such as missile defense, intelligence, surveillance, reconnaissance, space domain awareness, and aircraft survivability. Important Notice: Only U.S. citizens may apply, as required by government contracts. Applications from non-citizens cannot be considered. Role overview This Staff or Senior Staff Rust Software Engineer position is based in Boulder, Colorado. The role centers on building Next-Generation Missile Warning software, processing Overhead Persistent InfraRed (OPIR) sensor data to support missions including Missile Warning, Missile Defense, and Battlespace Awareness. What you will do Design, build, and enhance high-performance software systems using Rust Work in a secure environment focused on national defense Collaborate with a multidisciplinary team to address technical challenges Contribute to architectural decisions for mission-critical software Process and analyze OPIR sensor data for various defense applications Requirements Experience with Rust and high-performance systems Ability to work independently and solve complex technical problems Strong collaboration and communication skills across teams Commitment to supporting national security missions

Shape the Future of CryptocurrencyJoin our exceptional team of Krakenites, driven by a strong belief in the transformative power of crypto and blockchain technology.Why Choose Kraken? At Kraken, our mission is clear: to accelerate the global adoption of cryptocurrency, enabling everyone to attain financial freedom and inclusion. Our steadfast commitment to our mission and crypto values has drawn some of the brightest minds in the industry to our team.Before applying, we encourage candidates to explore our Kraken Culture page for insights into our values, culture, and mission. It is also important to familiarize yourself with the Kraken app, which you can learn about here.As a fully remote company, Kraken boasts a diverse team of Krakenites across more than 70 countries, communicating in over 50 languages. Our engineers pioneer the development of high-quality crypto products catering to experienced traders, institutions, and newcomers alike. Kraken is dedicated to top-tier security, education in crypto, and world-class client support through products such as Kraken Pro, Desktop, Wallet, and Kraken Futures.Join Us at Kraken and Help Build the Future of Crypto!About the TeamOur Product Engineering teams operate at the convergence of cryptocurrency, market dynamics, and customer experience. Every technical decision made has a direct impact on traders, revenue, and the advancement of the entire crypto ecosystem. Engineers here don't just implement solutions; they play a crucial role in shaping the future of financial technology.

DISQO is on a mission to create the most reliable ad measurement platform that drives brand growth and success.The leading brands, agencies, and media companies rely on DISQO for expert insights and AI-enhanced intelligence regarding their advertising performance across diverse platforms. We capture sentiments and journeys of individuals, linking them to the brands they cherish and the media they engage with. Our identity-based approach provides brands with precise and authentic insights, enabling more meaningful interactions.Becoming a part of DISQO Nation means joining a vibrant community that prioritizes speed, innovation, and continuous development. We are deeply invested in our talent, empowering our teams to unlock their utmost potential. Together, we are shaping the future of work at DISQO, characterized by performance, purpose, and impact.We approach each day with an innate curiosity and a drive for ambition, dedicated to learning, fostering growth, and making a significant difference. Grounded in our core values and principles, we lead and collaborate to enhance performance, accountability, and excellence at every level. And throughout this journey, we ensure that we enjoy the process.About the Role:At DISQO, we are revolutionizing the way organizations convert data into actionable decisions. Our goal is to make advertising and consumer behavior transparent, measurable, and actionable. We are currently developing the next phase of analytics - a cutting-edge, AI-powered system that empowers users to explore complex data intuitively and instantaneously.This role is a strategic and high-visibility initiative central to DISQO's future. You will collaborate directly with our CTO and a team of skilled, motivated engineers to design and construct a next-generation AI analytics engine from scratch, utilizing Agentic AI to redefine how data intelligence is provided to clients globally.