Backend Software Engineer - Defense

Speechify seeks a Senior Software Engineer specializing in Windows and desktop applications. This position plays a central role in designing, building, and launching software that enhances accessibility and improves the user experience. Role overview This engineer will help shape key technical decisions and collaborate with cross-functional teams to deliver high-quality desktop products. The work centers on both the technical direction and the day-to-day development of user-facing features. What you will do Design and develop desktop applications for Windows platforms Drive improvements in accessibility and usability Guide technical choices that impact product quality Work closely with teams across Speechify to ensure smooth product delivery Requirements Experience building Windows or desktop applications Ability to make and communicate technical decisions Strong collaboration skills with cross-functional teams

The Application Modernization Platform (AMP) team is addressing one of the industry's most significant challenges: harnessing Generative AI to modernize rigid, legacy applications into agile, microservices-based architectures utilizing MongoDB. We are developing a comprehensive SaaS-like platform that integrates both the "brain" (multi-agent reasoning and orchestration) and the "hands" (the deployment platform and modernization toolset). This solution demands a solid platform foundation and infrastructure tailored for a "build once, run anywhere" model, guaranteeing seamless operation regardless of client-specific security or network requirements. A crucial challenge lies in fine-tuning our tools for each customer's distinct tech stack and restrictive environments while ensuring they remain easily extensible and scalable for common application modernization challenges. We are in search of an engineering leader for this high-visibility initiative. This role involves defining the overarching strategy and technical direction across all AMP engineering pillars, spearheading the resolution of uniquely intricate application modernization challenges, and delivering a product of enterprise-grade quality. The leader will work to minimize deployment friction, meet compliance requirements, and contribute to the evolution of how global enterprises harness GenAI. The ideal candidate is a hands-on technical leader who excels in leveraging GenAI capabilities, architecting complex distributed systems, and designing orchestration agents that ensure the reliable and fluid execution of the entire software development lifecycle. We are particularly interested in candidates based in Palo Alto for our hybrid working model.

Join a Transformative CompanyAt Palantir, we develop cutting-edge software that empowers organizations to make data-driven decisions and optimize their operations. Our platforms enable partners to tackle critical challenges—from developing life-saving pharmaceuticals to predicting supply chain disruptions and locating missing individuals.About the RoleAs a key member of our Application Security Team, you will play an instrumental role in safeguarding vital information and ensuring the security of our software products. We are committed to enabling our developers to be agile and produce secure applications, especially given the high-stakes nature of our work in defense, intelligence, and commercial applications.Your responsibilities will include:• Product Security Assessments. Conduct comprehensive security evaluations of our product and service portfolio, utilizing whitebox, greybox, and blackbox testing methodologies. Collaborate with offensive security teams and engineering departments to fortify our offerings against sophisticated threats.• Architectural Security Expertise. Serve as the primary security advisor for product architects and engineers. Engage in threat modeling, risk assessments, and the implementation of security controls to mitigate identified vulnerabilities, ensuring our designs adhere to a secure-by-default approach.• Strategic Security Leadership. Take ownership of transformative security initiatives that influence the entire organization. Your contributions may include implementing software supply chain security measures, establishing hardware-backed GPG key signing protocols, and driving security automation efforts.• Vulnerability Discovery and Remediation. Innovate methods for identifying and addressing security weaknesses in our products. Utilize static and dynamic analysis, security scanning tools, and collaborate with our incident response team to tackle product security challenges.This position offers extensive influence, autonomy, and the resources to effect substantial security enhancements across Palantir. We welcome diverse backgrounds and experiences in candidates, with an emphasis on curiosity, persistence, and a commitment to excellence.

Join our innovative team at xAI as an Application Security Engineer, where you will play a vital role in safeguarding our cloud-native applications throughout the software development lifecycle. You will focus on ensuring the security of code, CI/CD pipelines, and the integration of emerging AI technologies. As part of a small, driven group, your contributions will directly impact our mission to create AI systems that enhance humanity's quest for knowledge.

About VoltaiVoltai is pioneering the development of advanced models and agents that learn, assess, strategize, experiment, and interact with the physical realm. Our initial focus is on comprehending and constructing hardware, particularly in electronics systems and semiconductors, where artificial intelligence transcends human cognitive limitations in design and creation.About Our TeamSupported by leading investors from Silicon Valley, Stanford University, and prominent figures such as CEOs from Google, AMD, Broadcom, Marvell, and more, our team comprises former Stanford professors, SAIL researchers, Olympiad medalists, and veterans from top tech companies and governmental positions.Role OverviewIn this role, you will engage with clients and partners to seamlessly integrate Voltai's hardware and design systems into their operations. You will provide in-depth technical assistance, troubleshoot complex software and hardware issues, and convey customer feedback to our design and product teams.Ideal CandidateYou will thrive in this position if you possess over 5 years of experience in the following areas:Hardware design, simulation, or EDA toolsCustomer support, debugging, and design validationSchematic review, board-level analysis, and failure investigationAbility to communicate intricate technical concepts clearly and succinctly

Role Overview Latitude is looking for a Senior Software Engineer focused on Test Infrastructure. This role centers on strengthening testing frameworks to help deliver reliable software. The position is available in Pittsburgh, PA, Palo Alto, CA, or Detroit, MI. What You Will Do Work closely with teams across engineering, product, and QA to support development efforts. Design, build, and maintain test infrastructure that supports software quality. Help improve and extend frameworks used for automated and manual testing.

Join Mudflap, a pioneering force in the $800 billion trucking industry, where our innovative payment solutions empower truckers to save significantly on fuel costs—their largest operational expense. We connect fuel stop partners with new customers, creating a vibrant marketplace that is rapidly expanding. We are actively seeking a customer-focused Senior Software Engineer to help us shape our exciting future.As a Senior Software Engineer specializing in Data Platforms, you will be instrumental in constructing a robust data infrastructure that ensures reliable and scalable data flow throughout Mudflap's systems. Your contributions will be vital in designing and managing the frameworks and services that facilitate efficient data ingestion, processing, and accessibility on a large scale.In this role, you will architect and develop high-performance platform systems that drive data ingestion, orchestrate pipelines, and manage large-scale processing. Your efforts will lay the groundwork for high-availability data systems that empower Mudflap's teams to operate with speed and confidence.This position is based in the Bay Area and offers a hybrid work model, allowing for a blend of in-office collaboration and remote work.

About UsAt vinci4d, we are revolutionizing hardware design with our innovative AI assistant. Our cutting-edge product empowers engineers to explore, analyze, and optimize hardware systems seamlessly, integrating advanced AI technology with the practicalities of engineering design workflows.Role OverviewWe are on the lookout for a skilled Thermal Application Engineer who will engage directly with our customers to execute and validate their test cases using our product. Acting as a crucial link between our technology and users, you will ensure that customer requirements are met, test cases are thoroughly executed, and results are presented in a meaningful way. In addition, you will assist customers with inquiries about our software and provide training on new features.Collaboration is key; you will work closely with both customers and our product and engineering teams to facilitate the evaluation and deployment of AI-enhanced workflows.A solid foundation in thermal engineering is essential for this role—you should be adept at leading discussions on thermal analysis with customers, covering topics such as heat transfer, CFD/FEA thermal simulations, cooling architectures, derating, and reliability considerations.

Role overview Speechify seeks a Senior Software Engineer to join the Core Experiences team in Palo Alto, CA. The focus of this position is to build and enhance audio-driven features that allow users to get more value from the platform. What you will do Collaborate with fellow engineers to design, develop, and maintain applications supporting Speechify’s main features. Create solutions aimed at boosting performance and responsiveness throughout the platform. Offer technical insight and ideas to influence the ongoing evolution of the user experience. Location This role is based in Palo Alto, CA, USA.

Senior Software Engineer, Infrastructure About Ladder At Ladder, we identified a significant issue in the life insurance sector: the lengthy application process, the excessive paperwork, and the numerous in-person meetings with agents. Motivated by personal loss, our CEO, Jamie, set out to simplify the process of obtaining essential coverage for families. We innovated real-time underwriting using AI, transforming the months-long life insurance application into a matter of minutes. Our user-friendly digital experience ensures instant decisions and has garnered exceptional user reviews, with over $74 billion in coverage issued. About the Role We are in search of a Senior Software Engineer who will enhance developer productivity within Ladder's engineering team. You will take charge of modernizing our CI/CD pipelines, build systems, and developer tools, while also contributing to the robustness of our cloud infrastructure and data platform. The ideal candidate will possess a proven track record in software engineering, demonstrate leadership qualities, and have a thorough understanding of engineering infrastructure. This position is remote, available in any of the 22 states where Ladder is hiring: AZ, CA, CO, CT, FL, GA, KS, MA, MD, MN, NC, NH, NJ, NV, NY, OH, OR, PA, TX, VA, WA, WI. Please note that Ladder is not sponsoring or transferring OPT or H1-B visas at this time. How You’ll Make a Difference As a senior engineer in our team, your responsibilities will extend beyond coding; you will influence our platform strategy. Your contributions will include: Enhancing developer velocity across the engineering organization by measuring and optimizing the developer workflow, which encompasses build times, test parallelization, deployment speeds, and daily tooling. Shaping the architecture of Ladder’s production infrastructure by evaluating design trade-offs and making impactful technical decisions, such as transitioning from custom monitoring tools to native cloud provider integrations or redefining data pipeline rebuild processes in response to upstream logic changes. You will have the insight to see the holistic view across systems and determine where to allocate engineering resources effectively. Engaging in incident response for infrastructure issues, leading retrospectives, and ensuring actionable follow-through on resolutions.

Role Overview RideAlso is seeking a Senior Software Engineer focused on mapping solutions in Palo Alto. This position centers on building and improving software that powers the company's mapping features, aiming to deliver a smooth and reliable user experience. What You Will Do Design and implement software to advance RideAlso's mapping capabilities Work closely with teams across disciplines to create scalable, maintainable architecture Apply current mapping technologies to solve real-world challenges Collaboration This role involves frequent collaboration with engineers, designers, and product managers to ensure mapping solutions integrate well with other RideAlso systems.

Rivian and Volkswagen Group Technologies brings together two major automotive companies to advance electric vehicle software. The partnership focuses on operating systems, zonal controllers, cloud platforms, and seamless connectivity, aiming to raise the bar for software-defined vehicles. The team draws on combined strengths in connectivity, artificial intelligence, and security to create smarter, more sustainable mobility solutions. Role overview The Senior Fullstack Software Engineer for Developer Productivity joins a team dedicated to building tools and features that streamline the developer experience. The group’s mission centers on enabling engineers to work efficiently and focus on high-impact tasks, using AI-powered solutions to remove friction from daily workflows. This role involves designing and implementing improvements across the entire software development lifecycle. The position supports both Vehicle Software (from code to car) and Cloud teams, ensuring that development processes are smooth and reliable. Regular collaboration with DevOps and Infrastructure teams is key, helping high-velocity teams deliver quality software quickly. Location Palo Alto, California

Rivian and Volkswagen Group Technologies is a joint venture between two established automotive leaders, focused on advancing mobility through software-defined vehicles. The team develops operating systems, zonal controllers, and advanced cloud and connectivity solutions to address challenges in electric vehicle technology. The company combines expertise in connectivity, artificial intelligence, and security to build more connected and intelligent transportation systems. Role overview The Senior Software Engineer - Cloud Fullstack will join the IoT and Streaming Team, supporting the Cloud Gateway Platform. This platform underpins a scalable IoT infrastructure that manages data flow to and from vehicles. The role centers on building and maintaining high-throughput telemetry acquisition systems, handling both streaming and batch data, maintaining a data model registry, and coordinating fleet updates. Key responsibilities Design, develop, and maintain distributed systems that are high-performance, low-latency, scalable, and reliable Work on telemetry systems for data ingestion and distribution Manage streaming and batch data pipelines Maintain a data model registry for vehicle data Orchestrate updates across vehicle fleets Collaborate with cross-functional teams to solve complex technical challenges Impact This position shapes the core technology infrastructure for next-generation software-defined vehicles at R | V Tech. Senior engineers in this role influence architecture decisions and contribute to foundational systems that support connected and sustainable mobility.

Location requirement: This role is based in Voltai's Bay Area office (Atherton) and involves travel to customer sites throughout the Bay Area. About Voltai Voltai develops models and agents that evaluate, design, and interact with hardware and electronic systems. The company works closely with leading semiconductor and consumer electronics firms. The Team Voltai’s team includes hackers, researchers, and operators focused on building AI for electronic systems and semiconductors. Team members bring experience from Stanford, SAIL, Olympiad competitions, and companies like Synopsys, GlobalFoundries, and Cadence. Industry leaders from Stanford, Sequoia, Google, AMD, and Broadcom support Voltai, giving the team strong connections across the sector. The culture emphasizes execution over titles. Role Overview The Senior Software Engineer - Deployments will deliver Voltai’s AI platform to top semiconductor and consumer electronics companies. The role involves working directly with customers to develop new features and ensure successful deployments. What You Will Do Lead customer deployments at offices throughout the San Francisco Bay Area, including locations in Cupertino and Santa Clara. Create features tailored to customer workflows and adapt Voltai’s cloud-based solutions for on-premises use in secure environments. Oversee cloud deployments on AWS, Azure, GCP, and OpenShift: set up environments, monitor their health, and troubleshoot issues as they arise. Gain exposure to hardware design processes. Direct experience is not required, but a willingness to learn about high-level hardware development is important.

Rivian and Volkswagen Group Technologies brings together two established automotive companies to advance electric vehicle technology. The joint team focuses on software-defined vehicles, combining strengths in connectivity, artificial intelligence, and security to shape a more connected and sustainable transportation future. Role overview The Senior Fullstack Software Engineer will join a team dedicated to building custom software tools that assist testing, development, manufacturing, and service functions throughout the vehicle development lifecycle. This work aims to improve production efficiency and manufacturing quality, while providing actionable insights to internal partners through both APIs and user interfaces. This position involves contributing to software architecture, design, and implementation for a diagnostics tool supporting new vehicle designs. Turning data into insights and supporting continuous improvement across teams are central to the role. What you will do Develop and improve software tools used across the vehicle lifecycle Build APIs and user interfaces to deliver insights and support internal teams Contribute to the architecture, design, and implementation of diagnostics solutions Drive improvements in manufacturing quality and production efficiency Requirements Experience building fullstack software, including API services and user interfaces Comfort working collaboratively across functions Action-oriented approach and enthusiasm for solving new challenges Willingness to learn and contribute to a mission-driven team Location and reporting This role can be based in Palo Alto, CA, Irvine, CA, or Normal, IL. The Senior Fullstack Software Engineer reports to the Senior Staff Tech Lead Manager of Software and Systems.

Rivian and Volkswagen Group Technologies brings together two automotive leaders to advance electric vehicle technology. The partnership focuses on operating systems, zonal controllers, and cloud connectivity, aiming to raise the bar for software-defined vehicles on a global scale. By combining expertise in connectivity, AI, and security, the team develops solutions for a smarter and more sustainable future in mobility. Role overview The Senior Software Engineer - Infotainment Software (Apple CarPlay) will develop key in-vehicle applications for upcoming Volkswagen Group vehicle lines. This position centers on building and refining the Apple CarPlay experience within the infotainment software stack, ensuring a seamless and reliable interface for drivers and passengers. What you will do Design and implement mission-critical infotainment software with a primary focus on Apple CarPlay integration. Collaborate with a diverse engineering team that values curiosity, innovation, and strong results. Contribute to shaping the next generation of mobility technology for Volkswagen Group vehicles. Location Palo Alto, California

Pivotal stands at the forefront of the dynamic eVTOL (electric Vertical Takeoff and Landing) aircraft industry. We specialize in the design, development, and manufacturing of lightweight eVTOL aircraft, including our iconic BlackFly, recognized as the world's first light eVTOL to successfully conduct manned missions and enter the consumer market.Our aircraft are engineered to be efficient, compact, and user-friendly, catering to a diverse range of applications spanning consumer use, public service, and defense sectors. With over a decade of successful flights under our belt, our innovative tilt-aircraft architecture and scalable platforms are setting the stage for the future of mobility. Last year, we unveiled our next-generation aircraft, the Helix, which is poised for general release and scalable production by early 2026.In today's technology landscape, mobility is a highly coveted investment area. Join us at Pivotal, where the timing is perfect, and the strategy is sound. If you're ready to embark on this exciting journey, we welcome you to be a part of our exceptional team and grow alongside us.As a valued member of our Firmware Engineering team, you will play a critical role in driving the development and maintenance of the pilot display systems used in our eVTOL aircraft.

Role Overview Pinterest is looking for a Senior Staff Software Engineer to join the Merchants team. This role focuses on building and improving features that support merchants and enhance the overall platform experience. What You Will Do Work closely with teams across engineering, product, and design to gather requirements and set technical direction. Design and implement scalable systems that support merchant needs and user engagement. Develop software solutions that help merchants connect with Pinterest users and grow their businesses. Contribute to the platform’s mission of inspiring creativity and discovery worldwide. Location This position is based in San Francisco, CA or Palo Alto, CA.

Join our hybrid work environment where most US-based roles allow for remote work (exceptions noted below).Our Mission:To seamlessly connect individuals with their next outstanding career opportunity.Who We Are:ZipRecruiter is an industry-leading online employment marketplace. Leveraging advanced AI-driven smart matching technology, we connect a diverse array of businesses and job seekers through innovative mobile, web, and email platforms, as well as through strategic partnerships with top job boards. Our job search app is rated #1 on both iOS and Android.About the Team:Our team has a unique chance to develop applications that serve millions of job seekers and tens of thousands of clients. We are focused on cultivating a dynamic marketplace for job seekers and employers, requiring full-stack engineers to craft high-performance, scalable applications that facilitate seamless connections. Our essential service has led to a thriving business.Our technology stack is sophisticated, and we seek engineers who are adept at writing adaptable, well-instrumented, and efficient code within a growing distributed system. We are building mobile-first web applications, seeking individuals who excel at creating fast and user-friendly experiences.About the Job:Design and implement robust web applications capable of scaling to meet the needs of a diverse user base.Elevate engineering standards and innovate in our approach to both backend and frontend development.Effectively communicate and deliver intricate technical solutions to a range of stakeholders, both technical and non-technical.Collaborate closely with cross-functional teams to continually enhance product offerings.