Backend Engineer for Internal Tools

About Spacial Spacial builds an AI-driven platform that automates structural and MEP engineering, turning 2D plans into permit-ready, code-compliant drawings in days instead of months. The team draws on deep experience in architecture, engineering, and construction, aiming to address slow approvals, repeated revisions, and unclear requirements in the built environment. By bringing architects, engineers, builders, and homeowners together on one platform, Spacial helps reduce friction, speed up approvals, and move ideas from concept to reality. The goal is to give the AEC industry more speed, clarity, and control from the start. Internship Overview Spacial is seeking a Software Engineering Intern for Summer 2026 in Palo Alto. This role suits a student interested in building real product features, improving internal workflows, and working on applied AI projects. Interns will work closely with the engineering team to develop website features, automate processes, and contribute to projects involving large language models (LLMs) and AI training. This internship offers a hands-on look at startup operations across multiple areas. The systems and tools developed may support go-to-market efforts, operations, and product development. What You Will Do Design, test, and launch new features for the Spacial website Help design and improve internal tools and workflow automations to boost efficiency Support AI-powered projects that impact market entry, operations, customer workflows, and internal knowledge systems Assist in training, evaluating, and refining AI models and prompts for business use Work with engineering, product, operations, and leadership teams on cross-functional projects Prototype new tools and systems to automate manual tasks and improve productivity Help with debugging, quality assurance, and deploying new features and internal systems Contribute to technical experiments that improve company operations and customer service

Join Pivotal, a pioneering leader in the innovative sector of electric Vertical Takeoff and Landing (eVTOL) aircraft. We specialize in the design, development, and production of light eVTOL aircraft, recognized globally for our groundbreaking BlackFly model, the first light eVTOL to successfully conduct manned flights and make its way into the consumer market.Our aircraft are efficient, compact, and user-friendly, tailored for diverse applications ranging from consumer use to public service and defense. With over a decade of successful flight experience, our unique tilt-aircraft architecture and scalable platform are at the forefront of the industry. Last year, we unveiled our next-generation aircraft, the Helix, which is advancing rapidly towards general availability and scalable production slated for early 2026.As mobility emerges as a critical area of technological investment, Pivotal stands at the confluence of opportunity and innovation. If you are eager to embark on an exhilarating journey with us, we welcome you to become a part of our exceptional team and expand your horizons.

About Matroid At Matroid, we strive to empower machines to comprehend visual information just as humans do. Our innovative products, designed for users with no programming background, allow industries to leverage advanced computer vision solutions effortlessly. By deploying state-of-the-art deep neural networks either in the cloud or on-premise with just a click, we revolutionize how businesses operate. Founded in 2016 by a Stanford professor, we have successfully raised $33.5 million from top-tier investors including NEA, Energize Ventures, and Intel Capital. Our diverse clientele spans manufacturing, industrial IoT, and security sectors. We are seeking a passionate Software Engineering Intern to join our Full Stack team, contributing to the development of our computer vision platform. You will have the opportunity to work in our newly established office in downtown Palo Alto, conveniently located near Stanford University and Caltrain.

Pivotal stands at the forefront of the innovative electric Vertical Takeoff and Landing (eVTOL) aircraft industry. We specialize in the design, development, and manufacturing of lightweight eVTOL aircraft, gaining recognition for the BlackFly, the world's first light eVTOL to conduct manned flights and enter the consumer market.Our aircraft are efficient, compact, and user-friendly, making them suitable for diverse applications ranging from consumer use to public service and defense. With a distinctive tilt-aircraft architecture and a scalable platform, our designs have been in operation for over a decade. Recently, we unveiled our next-generation aircraft, the Helix, which is on track for a general release and scalable production by early 2026.As mobility becomes a key focus in modern technology investments, Pivotal is positioned perfectly to lead the charge. If you seek an exciting journey and wish to be part of a dynamic team, we encourage you to join us and grow alongside us.

Join PsiQuantum, where our mission is to revolutionize technology by creating the first practical quantum computers. These machines aim to achieve the breakthroughs that have long been anticipated in the field of quantum computing. Since our inception in 2016, we have been dedicated to developing and deploying million-qubit, fault-tolerant quantum systems.Our quantum computers leverage the principles of quantum mechanics to tackle problems that are beyond the capabilities of even the most sophisticated supercomputers and AI systems. The applications of our technology are vast, impacting industries such as energy, pharmaceuticals, finance, agriculture, transportation, and materials.Utilizing silicon photonics as our architectural foundation, we harness the advanced semiconductor manufacturing ecosystem, partnering with industry leaders like GlobalFoundries. This approach allows us to utilize high-volume processes already in place for producing billions of chips for telecom and consumer electronics. The advantages of using photonics are significant: photons are unaffected by heat, immune to electromagnetic interference, and seamlessly integrate with existing cryogenic cooling and standard fiber-optic infrastructures.In 2024, PsiQuantum announced government-backed initiatives to establish our first utility-scale quantum computers in Brisbane, Australia, and Chicago, Illinois. This represents a pivotal moment acknowledging the strategic and economic significance of quantum computing, making it essential to scale our efforts now.Additionally, PsiQuantum is committed to developing the algorithms and software necessary to unlock the commercial potential of our systems. Our application, software, and industry teams collaborate closely with leading Fortune 500 companies such as Lockheed Martin, Mercedes-Benz, Boehringer Ingelheim, and Mitsubishi Chemical to create quantum solutions that deliver real-world results.Quantum computing is a transformative leap, representing not just an evolution of classical computing but a new paradigm that enables us to tackle challenges previously thought insurmountable. The potential is immense, and we have a clear vision to make this a reality.We invite you to be part of this exciting journey.

Our VisionAt Tinder, we believe in the excitement of forging new connections. Our mission is to keep the spark of human interaction alive, empowering millions across the globe to discover meaningful relationships. With a community of tens of millions of users, hundreds of millions of downloads, over 2 billion swipes, and more than 20 million matches daily, our influence spans across 190+ countries and is continually expanding.We collaborate to tackle intricate challenges. Beneath the surface simplicity of each match lies a profound exploration of human relationships, behavioral science, AI and ML, safety online and offline, cultural diversity, and the complexities of love and connection.Internship DurationThis internship will take place from June 1 to August 28, 2026.Work EnvironmentThis is a hybrid position that requires in-office collaboration three days a week in either Los Angeles or Palo Alto, California.Role OverviewAs a Backend Engineering Intern at Tinder, you will work closely with experienced engineers, contributing innovative solutions to enhance our backend infrastructure. We are committed to refining our architectural design and adopting cutting-edge technologies to continually evolve our application and redefine how people connect globally.

Join us as an Android Engineering Intern at Tinder, where you will work alongside seasoned engineers to design, develop, and implement innovative features that engage millions of users globally. This role emphasizes collaboration in a dynamic, technical environment aimed at enhancing app architecture, leveraging cutting-edge technologies, and delivering an unparalleled user experience. The internship program runs from June 1 to August 28, 2026, with a hybrid work model requiring in-office presence three days a week in either Los Angeles or Palo Alto, California.

Join the innovative team at Simular, where we are dedicated to bridging the gap between artificial intelligence and real-world applications. This Software Engineer Internship offers a unique opportunity to work alongside our founding members on cutting-edge projects that shape the future of AI technology.Your ResponsibilitiesEngage in core product development by designing and implementing new features, while enhancing system performance.Collaborate with the infrastructure team to optimize and scale our systems and virtual environments.Assist in Forward Deployed Engineering initiatives by creating scripts and integrations that cater to client-specific needs.Team up with designers and researchers to prototype innovative ideas and gather user feedback for iterative improvements.Acquire hands-on experience in a dynamic startup where your contributions significantly influence our technological advancements.Your ProfileCurrently enrolled in a Bachelor's or Master’s program in Computer Science, Computer Engineering, Information Systems, or a related field.Proficient in programming languages such as Python, JavaScript/TypeScript, or their equivalents.Possess strong computer science fundamentals and exceptional problem-solving skills; experience in competitive programming (e.g., ACM ICPC, IOI, Google Code Jam) is a plus.Demonstrate willingness to explore various aspects of the software stack, including frontend, backend, and deployment processes.Exhibit curiosity, flexibility, and a desire to learn in a fast-paced and ambiguous environment.Strong communication and teamwork abilities.Bonus: Previous internship or project experience in AI, intelligent agents, or productivity tools is highly valued.

Pivotal is at the forefront of innovation in the electric Vertical Takeoff and Landing (eVTOL) aircraft market. We specialize in the design, development, and manufacturing of lightweight eVTOL aircraft, gaining acclaim for the BlackFly, which is 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, serving a diverse array of applications including consumer transportation, public services, and defense. Our unique tilt-aircraft architecture and scalable platform have been operational for over a decade. In 2022, we unveiled our next-generation aircraft, the Helix, which is advancing rapidly towards general release and scalable production anticipated in early 2026.As one of the most sought-after sectors for technological investments, mobility represents a golden opportunity. If you're ready to embark on an exciting journey, we encourage you to become a part of our dynamic team and develop alongside us.This internship within our Maintenance, Repair & Overhaul (MRO) organization will provide you with hands-on experience in aircraft repair engineering, sustainment strategies, and airworthiness-focused process development. You will work directly with operational aircraft, field-returned hardware, and collaborate with cross-functional teams to contribute to the foundational repair strategies for the next generation of electric flight.

At genbio, a cutting-edge start-up based in Silicon Valley, we unite visionary scientists, engineers, and entrepreneurs who are passionate about reshaping biology and medicine with the innovative potential of generative AI. Our team is comprised of leading experts and trailblazers in AI and biological sciences, continually striving to push the frontiers of what's achievable. We are the dreamers who are re-envisioning the future of biology and medicine.Our mission is to comprehensively decode biological processes, paving the way for transformative health solutions. As pioneers in pan-modal Large Biological Models (LBM), we are at the forefront of a new era in biomedicine, where our LBM training is catalyzing groundbreaking advancements and reshaping healthcare. With a robust R&D team and a leadership role in LLMs and generative AI, we are well-positioned to make a significant global impact. Join us on this exciting journey as we redefine the future of biology and medicine through the transformative power of Generative AI.

Lead Staff Software EngineerLocation: Hybrid - Palo Alto Office (Tuesdays and Thursdays)Your ImpactJoin our team at MidiHealth as a Lead Staff Software Engineer, where you will play a crucial role in shaping the future of women's healthcare technology. You will be a core technical leader within our engineering organization, translating intricate concepts into actionable technical roadmaps and innovative products that drive our mission forward.Your ResponsibilitiesEvaluate complex technical challenges and spearhead architectural assessments across teams, mitigating technical debt and fostering sustainable, cross-service patterns within Midi’s healthcare ecosystem.Serve as a 'part-time product manager for technology,' championing essential infrastructure enhancements to boost business agility.Design and implement high-quality, scalable products and code, ensuring a balance between swift execution and long-term scalability.Contribute actively to our engineering culture by establishing best practices for automated testing, CI/CD, and maintaining high code quality throughout our technology stack.Assess overarching technical and business challenges, crafting elegant solutions that support both scalability and business growth.Collaborate closely with Executive Leadership, Product, Marketing, and Clinical teams to uncover unmet customer and operational needs, translating these insights into effective technical strategies that enhance outcomes for our patients and clinicians.Mentor and guide both senior and junior engineers, nurturing a culture of curiosity, humility, and technical excellence.

Backend Software EngineerConfluera is an innovative cybersecurity startup backed by Series B funding, dedicated to safeguarding the cyber landscape. Our mission is to fortify enterprises today to ensure a more secure tomorrow. We provide a comprehensive solution that enhances visibility across cloud environments, empowering cybersecurity leaders with real-time attack prevention capabilities.Key Responsibilities- Design and construct distributed systems capable of processing vast amounts of data.- Develop, maintain, and optimize APIs and systems for scalable product enablement.- Create advanced models and features to improve anomaly detection accuracy.- Collaborate and communicate effectively with Product, Design, and Engineering teams.- Rapidly develop and iterate on solutions while upholding high-quality standards.Required Qualifications- Proficiency in programming languages such as Java and Python.- Experience with streaming platforms like Kafka.- Familiarity with stream processing frameworks, including Spark.- Understanding of distributed systems architecture.Preferred Qualifications- Prior experience working with streaming and stream processing systems (Kafka, Spark, etc.).- Knowledge in building ETL pipelines.- Experience delivering and maintaining large-scale production systems.- Leadership experience in technical projects.Educational Background- A Bachelor's or Master's degree in Computer Science, Computer Engineering, or a related field, or equivalent professional experience.

Join our dynamic team at xAI, where we are committed to developing cutting-edge AI systems that understand the universe and support humanity's quest for knowledge. As an Outstanding Software Engineer, you will tackle critical product challenges and engage in hands-on projects that drive our mission forward. We value curiosity, initiative, and a strong work ethic in a collaborative, meritocratic environment. Your ability to communicate effectively and share knowledge with your peers will be instrumental in our success.

About Glean:Founded in 2019, Glean is a pioneering AI-driven knowledge management platform that empowers organizations to efficiently locate, organize, and disseminate information throughout their teams. By seamlessly integrating with tools such as Google Drive, Slack, and Microsoft Teams, Glean enables employees to access the right knowledge at the right moment, enhancing productivity and collaboration. Our state-of-the-art AI technology streamlines knowledge discovery, allowing teams to leverage their collective intelligence faster and more effectively.Glean was established by Founder & CEO Arvind Jain, who recognized the challenges employees encounter in sourcing and comprehending information at work. Witnessing the fragmentation of knowledge and the challenges posed by numerous SaaS tools, he aimed to create a better solution—an AI-enabled enterprise search platform that facilitates swift and intuitive access to essential information. Since its inception, Glean has evolved into the leading Work AI platform, merging enterprise-grade search capabilities with an AI assistant and advanced application- and agent-building functionalities, fundamentally transforming how employees operate.About the Role:Glean is on the lookout for a skilled Infrastructure Engineer to design and advance the platform that maintains a highly available, efficient, secure, and cost-effective infrastructure across multiple cloud environments. You will be responsible for delivering intricate components featuring refined automation, robust uptime assurances, autoscaling, and dependable alerting/monitoring for infrastructure that operates across various cloud providers. As a member of the Platform team, you will oversee critical aspects of Glean’s infrastructure, collaborating closely with other teams to support their workloads.

Join a Transformative CompanyPalantir Technologies is at the forefront of developing cutting-edge software that enables organizations to make data-driven decisions and streamline operations. Our innovative platforms empower partners to tackle significant challenges, such as developing lifesaving medications, predicting supply chain interruptions, and locating missing persons.Role OverviewAs part of Palantir's defense product division, you will contribute to mission-critical applications designed for modern military operations. Our products facilitate secure data integration and visualization, allowing for the creation of complex systems, including common operating pictures, alert triaging systems, and resource allocation tools powered by advanced machine learning models. These tools are essential for daily operations in military command centers and on the battlefield, relied upon by our global clientele.As a Backend Software Engineer at Palantir, you will play a pivotal role in reshaping how organizations harness data. You will engage in every phase of the product lifecycle, from conception and design to prototyping and deployment. Collaboration is key; you will work alongside both technical and non-technical team members to grasp our clients' challenges and develop effective solutions. We promote inter-team mobility to foster the sharing of insights, skills, and experiences, allowing you to expand your knowledge across various technologies and product facets. You will work autonomously, making independent decisions while being supported by a community that encourages your growth as a technical contributor and engineering leader.Your daily tasks will be dynamic, adjusting to user demands and technical challenges. One day, you might join forces with fellow engineers to design a new system that supports a unique workflow; the next, you could be optimizing performance for low-latency operational requirements.Our Product Development teams consist of small groups of Software Engineers, each dedicated to specific product aspects, collaborating to enhance user workflows and continuously improve our software's efficiency and reliability.We are seeking passionate engineers eager to tackle real-world challenges and empower developers and end-users to maximize their productivity. If you are driven to create reliable, high-performance, and scalable systems while designing robust APIs and components, we encourage you to apply.

Teleo is a pioneering robotics startup that is transforming the construction industry by converting heavy equipment such as loaders, dozers, excavators, and trucks into autonomous robots. Our innovative technology enables a single operator to control multiple machines at once, significantly enhancing efficiency, operator safety, and comfort.Founded by Vinay Shet and Rom Clément, seasoned technology leaders behind Lyft’s Self-Driving Car and Google Street View, Teleo is supported by prestigious investors including YCombinator, Up Partners, and F-Prime Capital, along with several industry experts. Our product is already making waves across multiple continents and generating revenue.As we gear up for rapid expansion, this internship presents an exceptional opportunity to join a team that is engineering cutting-edge 100,000-pound autonomous robots. You will play a crucial role in developing intricate systems at the intersection of hardware, software, and AI, contributing to an impactful startup journey.

About xAIAt xAI, we are driven by our mission to develop AI systems that can profoundly comprehend the universe and support humanity in its quest for knowledge. Our team is composed of passionate and highly-driven individuals committed to engineering excellence. We value those who challenge themselves and thrive in a culture of curiosity. Operating with a flat organizational structure, we empower our employees to be proactive contributors to our mission. Initiative and a track record of delivering exceptional results are highly regarded. Strong work ethic and effective prioritization skills are essential, as well as excellent communication abilities to share insights succinctly with teammates.About the RoleWe are on the lookout for outstanding media engineers who are eager to embark on an innovative project that integrates xAI’s cutting-edge AI infrastructure into a platform that engages approximately 600 million users every month. This role presents a unique opportunity to leverage xAI’s technology stack to revolutionize the video product experience, encompassing aspects like video playback, live streaming, Spaces, and audio/video calls. Join us to make a significant impact while utilizing powerful AI tools and collaborating with talented colleagues at xAI.

Join PsiQuantum, a pioneering force dedicated to creating the first practical quantum computers that will revolutionize various industries. Since our inception in 2016, we have been unwavering in our mission to construct and implement million-qubit, fault-tolerant quantum systems.Our innovative quantum computers leverage the principles of quantum mechanics to tackle problems that are beyond the capabilities of the most sophisticated supercomputers and AI technologies. The transformative potential of these machines will benefit fields such as energy, pharmaceuticals, finance, agriculture, transportation, and materials science.Utilizing silicon photonics as the foundation of our architecture, we capitalize on advanced semiconductor manufacturing techniques—partnering with leaders like GlobalFoundries. This approach allows us to employ high-volume processes that already produce billions of chips for telecommunications and consumer electronics. The benefits of photonics are clear: they are immune to heat, unaffected by electromagnetic interference, and seamlessly integrate with current cryogenic cooling systems and standard fiber-optic infrastructures.In 2024, we announced significant government-funded projects aimed at establishing our first utility-scale quantum computers in Brisbane, Australia, and Chicago, Illinois. These initiatives illustrate the growing acknowledgment of quantum computing's strategic and economic significance, emphasizing the urgency to scale our efforts.At PsiQuantum, we are also focused on developing the algorithms and software necessary for these systems to achieve commercial viability. Our application and software teams collaborate with prestigious Fortune 500 companies—including Lockheed Martin, Mercedes-Benz, Boehringer Ingelheim, and Mitsubishi Chemical—to optimize quantum solutions for real-world applications.Quantum computing signifies not merely an extension of classical computing but a radical transformation, offering pathways to tackle challenges that cannot be addressed through any other means. The opportunities are vast, and we are committed to making this vision a tangible reality.We invite you to be a part of this groundbreaking journey.

Join Teleo, a pioneering robotics startup, as we revolutionize the construction industry. Our innovative technology transforms heavy construction equipment such as loaders, dozers, excavators, and trucks into autonomous robots, enabling a single operator to control multiple machines simultaneously. This advancement not only enhances operational efficiency but also significantly improves operator safety and comfort.Founded by Vinay Shet and Rom Clément, former leaders in the development of Lyft’s Self-Driving Car and Google Street View, Teleo is supported by prestigious investors including YCombinator, Up Partners, and F-Prime Capital. Our solutions are already deployed globally and generating revenue.As we continue to grow rapidly, this internship presents a unique opportunity to contribute to a transformative product that impacts our clients significantly. You will work on cutting-edge autonomous robots, engage with complex systems at the intersection of hardware, software, and AI, and be part of an exciting startup journey.