Lead AI Software Engineer

At Klaviyo, we cherish the distinct backgrounds and perspectives that each Klaviyo (as we affectionately refer to ourselves) contributes to our vibrant workplace. We firmly believe in equitable opportunities for success and value the diverse experiences that go beyond conventional job criteria. If you find that you align closely with the role but may not meet every single requirement, we encourage you to apply. Curious about what life is like at Klaviyo? Explore klaviyo.com/careers to see how we empower creators to own their destinies.Senior AI Software EngineerAt Klaviyo, we envision a future where software transcends mere productivity tools for human users, evolving into self-learning, self-optimizing systems grounded in measurable outcomes. Our infrastructure and applications currently support a thriving community of over 182,000 customers, encompassing billions of consumer profiles and facilitating hundreds of billions of customer interactions.We are now pioneering the development of next-generation AI and machine learning technologies designed to empower these products, creating AI agents capable of autonomously designing, executing, and refining marketing and customer experience strategies tailored for businesses of all sizes.As a Senior AI Software Engineer, you will play a pivotal role in architecting, developing, and scaling the backend and machine learning frameworks that underpin Klaviyo’s AI initiatives. You will collaborate closely with product managers, data scientists, and engineering teams to deliver intelligent, outcome-oriented systems that operate at an unprecedented scale, while also mentoring team members and guiding the technical vision of the group.Your ImpactLead the architecture and development of backend and ML systems serving over 182K customers.Create robust, reliable, and efficient data processing and model-serving pipelines that fuel production ML models.Design and enhance predictive systems (e.g., conversion likelihood, engagement ranking, personalization strategies) that drive customer engagement.

Join CD Projekt Red as a Lead AI Engineer, where you'll spearhead innovative AI solutions that enhance our gaming experiences. Collaborate with a talented team of developers and designers while leveraging cutting-edge technologies to deliver unparalleled gaming experiences. Your expertise in AI and machine learning will be pivotal in shaping the future of interactive entertainment.

Job TitleLead Principal Software Engineer - Python AI PipelinesOverviewJoin our innovative team at code-metal, where we are pioneering the next generation of transpilation tools powered by artificial intelligence and cutting-edge verification techniques. Our mission is to seamlessly connect the realms of algorithm development and deployment for embedded systems.In this pivotal role, you will be at the forefront of designing and implementing advanced code generation pipelines. Our methodologies incorporate a blend of Generative AI, Static Analysis, and Formal Verification to facilitate the translation of code from one programming language to another.

Join Klaviyo as a Lead Software Engineer specializing in Mobile Channels, where you will spearhead innovative mobile solutions that enhance user experience and drive engagement. You will collaborate with cross-functional teams to design, develop, and implement cutting-edge applications that meet our users' needs.Your leadership will guide the engineering team in best practices, fostering a culture of creativity and technical excellence. If you're passionate about mobile technology and eager to make a significant impact on our products, we want to hear from you!

Join maximustribe as a Lead Software Engineer / Tech Lead Manager, focusing on growth initiatives in a fully remote capacity. We are looking for an innovative leader with a passion for technology and a proven track record in software development. You will be responsible for guiding a team of talented engineers, driving projects from conception to completion, and implementing best practices in coding, design, and architecture.

WHOOP is dedicated to revolutionizing human performance through technology. Our mission is to empower individuals to optimize their physical and mental well-being by offering unparalleled insights into their health and fitness through our advanced wearable devices. These devices meticulously track vital physiological metrics, including heart rate variability, resting heart rate, and sleep quality, to deliver tailored feedback on fitness, health, and recovery. The AI Support team at WHOOP is committed to creating exceptional support experiences for our users, harnessing the latest advancements in AI technology.As the Software Engineering Manager at WHOOP, you will be pivotal in both technical leadership and people management. Collaborating closely with product management, you will design enriching user experiences while steering software teams to ensure your team successfully meets its objectives. You will guide the team in crafting technical designs, optimizing architecture, and achieving operational excellence. Upholding best practices and high standards in software development will be paramount in your role.On the people management front, you will oversee and mentor a diverse team of engineers specializing in backend, AI, iOS, and Android development. You will provide ongoing performance feedback and facilitate professional growth and development opportunities. Cultivating a culture that encourages innovation, collaboration, psychological safety, and continuous learning will be essential. Your leadership will promote a positive work environment where every team member feels valued, supported, and empowered to excel.

Join Harvard University as a Lead Software Engineer in our Digital Transformation department. You will spearhead innovative projects that redefine how we utilize technology to enhance educational experiences. Your expertise will guide a team of talented engineers while collaborating across departments to drive impactful solutions.

Join Code Metal, where we are at the forefront of developing innovative AI-powered transpilation tools that seamlessly connect algorithm development with deployment for embedded systems. As a Senior Software Engineer specializing in Agentic AI, you will be instrumental in designing and executing sophisticated code generation pipelines that incorporate Generative AI, Static Analysis, and Formal Verification methodologies. This role provides a unique opportunity to influence the evolution of automated, AI-driven software translation for critical applications.Architect and implement intricate workflows utilizing state machines, message queues, and distributed processing.Leverage Docker and related technologies to maintain dependable and reproducible environments.Develop robust, modular codebases for code translation products that are thoroughly tested.Collaborate with domain experts to integrate verification techniques into AI-enabled code generation processes.Guarantee high availability and scalability of AI services through cloud platforms and distributed system architectures.

FieldAI is at the forefront of revolutionizing the interaction between robots and the real world. Based in Boston, our dynamic R&D team is dedicated to developing AI systems that are risk-aware, reliable, and ready for field deployment. Our solutions address some of the most challenging problems in robotics, unlocking the full potential of embodied intelligence. We pride ourselves on a pragmatic approach that combines cutting-edge research with practical deployment, moving beyond standard data-driven methods and transformer-only architectures. Our systems are already deployed worldwide, and we are committed to continuous improvement through rapid iterations based on real-world applications.We are looking for enthusiastic engineers to join our team and contribute to the advancement of our humanoid robot software stack. In a fast-paced environment, you will collaborate with a focused team to integrate various subsystems such as perception, planning, locomotion, and manipulation into a seamless, reliable system that operates effectively in unstructured real-world environments. A key responsibility will be to transition research-grade capabilities into robust, production-quality systems. The ideal candidate will possess a solid understanding of robotic software systems and demonstrate the practical skills necessary for delivering high-quality, maintainable code within a small, dedicated team.

Join mark43, a company committed to empowering communities and governments through innovative technology that enhances public safety and quality of life. We develop robust and scalable software solutions that set new benchmarks for first responders. Our diverse user base inspires us to foster a team culture that values diverse perspectives and experiences.We are on the lookout for a highly skilled and innovative Lead Software Engineer to spearhead the development of our cutting-edge cloud-based public safety software. As a senior member of the mark43 engineering team, you will lead product initiatives from conception to deployment, becoming a trusted resource for your peers. You will architect and implement resilient server-side solutions tailored to the specific challenges of scale, security, and reliability. Our technology stack includes React, Typescript, Java, SQL, Redis, and Elasticsearch, and we actively participate in the open-source community. Here at mark43, you’ll have the freedom to shape the future of public safety technology.

Axiomatic AI is seeking interns for a software engineering program centered on AI and agentic systems. This internship gives participants a chance to work on projects aimed at solving real-world challenges, guided by experienced professionals in the field. Role overview Interns will join teams focused on the design, development, and implementation of AI-driven solutions. The work involves hands-on experience with agentic systems and exposure to current technologies in artificial intelligence. What you will do Contribute to the creation and deployment of AI-based solutions Work closely with team members and industry experts to address technical problems Build practical skills in agentic systems and related tools Locations Boston, US Castelldefels (Barcelona), Spain

FieldAI is revolutionizing the interaction between robots and the physical world. Our expanding Research and Development team, located in Boston, is dedicated to creating risk-aware, reliable AI systems that address complex challenges in robotics and harness the full potential of embodied intelligence. We adopt a practical approach that transcends conventional data-driven methods or transformer-only architectures, merging pioneering research with real-world applications. Our solutions are already in use worldwide, and we enhance model performance through rapid iterations informed by actual field experiences.We are looking for enthusiastic engineers to contribute significantly to the advancement of multi-robot simulation and fleet orchestration. In this dynamic environment, you will collaborate with a dedicated team to develop simulation environments where robots can operate, coordinate, and adapt within realistic scenarios. This initiative will enable us to design and validate fleet orchestration strategies at scale prior to deployment. The ideal candidate will possess a robust understanding of robotics simulation and multiagent principles, coupled with the practical skills necessary to produce high-quality, maintainable code within a small, focused team.

Veeva Systems is seeking a Senior Software Engineer to focus on AI Applications in Boston, Massachusetts. This position centers on building software for the life sciences sector, with a strong emphasis on artificial intelligence. Role overview This role involves designing, developing, and implementing AI-driven features that support Veeva’s cloud-based products. Collaboration with teams across engineering, product, and other functions is a key part of the work, ensuring that AI technologies are integrated effectively to support client needs. What you will do Create and improve AI solutions that expand Veeva’s product capabilities Work closely with colleagues from different disciplines to deliver new features Apply software engineering best practices in the context of AI applications Requirements Experience in software engineering and artificial intelligence Ability to collaborate with cross-functional teams Interest in developing solutions for the life sciences industry

Join our innovative Managed Services team as an AI Application Engineer. In this role, you will be instrumental in designing, integrating, and deploying AI solutions, which include agentic applications, LLM inference, similarity search, guardrails, and model evaluation. Your efforts will enhance workflows, scalability, and optimize the deployment, operation, and upgrades of InterSystems cloud solutions.This position is ideal for a talented software engineer who is enthusiastic about leveraging AI to tackle real-world challenges. You will collaborate with diverse teams to create prototypes and deliver production-ready solutions.

Role Overview Whoop is looking for a Senior Fullstack Software Engineer to join the AI Platform team in Boston, MA. This team builds technology that supports athletic performance and wellness, using artificial intelligence to deliver real impact. What You Will Do Design, implement, and optimize software solutions across both frontend and backend systems Work closely with cross-functional teams to bring new features and improvements to life Focus on delivering a seamless user experience while maintaining system performance and reliability What We Look For Experience in fullstack development, with skills in both frontend and backend technologies Interest in artificial intelligence and its applications in health or performance domains Ability to collaborate with engineers, designers, and product managers If building innovative software for athletes and wellness interests you, Whoop encourages you to apply.

Role Overview Whoop, Inc. is hiring a Software Engineer II focused on frontend development for its AI Platform in Boston, MA. This position centers on building and improving user interfaces that support the company’s fitness technology products. What You Will Do Work with teams across engineering, design, and product to deliver polished, intuitive user interfaces Contribute to the design and implementation of features that expand the platform’s capabilities Help shape the user experience for tools that support Whoop’s mission to unlock human performance What We’re Looking For Experience with modern frontend technologies Interest in building high-quality, engaging user experiences Strong collaboration skills and the ability to work with cross-functional teams This role is based in Boston, MA.

Join the prestigious Harvard Business School Foundry as a Technical Lead, specializing in Artificial Intelligence and Engineering. In this pivotal role, you will spearhead innovative AI initiatives, guiding a talented team of engineers and researchers. Your expertise will drive the development of cutting-edge solutions that enhance educational experiences and operational efficiency.As a Technical Lead, you will collaborate with cross-functional teams, leveraging your leadership skills to foster a culture of innovation and excellence. Your deep understanding of AI technologies and engineering principles will be instrumental in shaping the future of business education.

Empower decision-makers with timely insights at Code Metal. Here, real-time physics simulations, AI-driven insights, and operational actions coalesce into expansive data streams. As the lead for our Visualization & Frontend team, you will transform this overwhelming influx of information into sophisticated, impactful experiences that inform multi-billion-dollar strategic choices in force design, guided by wargaming principles. We seek a hands-on architect to construct a modular UI stack, navigate complex geospatial and temporal data, and mentor a select group of talented engineers to deliver high-quality products swiftly.Your Responsibilities Architect an innovative UI framework: Create a component library and plugin architecture that enables internal teams and future partners to enhance visualizations without altering the core codebase. Render data at scale: Develop responsive visualizations that combine live simulation outputs, AI insights, and historical data into a seamless, interactive timeline. Integrate smoothly: Utilize FastAPI/ZeroMQ endpoints from the backend and provide well-versioned client APIs for mission planning and dashboards. Collaborate with stakeholders and UX design leads: Continuously refine user experience based on performance metrics and feedback from Air Force wargamers and UX specialists. Lead by example: Promote UI/UX best practices, conduct code reviews, participate in design critiques, and implement automated testing; support team members in becoming force multipliers. Continuous deployment: Manage the CI/CD pipeline for web and desktop applications, with a focus on DoD accreditation and cross-domain distribution. Why Join Code Metal? Impactful mission: Your visualizations will contribute to discussions that shape the future of military force structure. Agility: Work in tight iterations with small teams—design in the morning and deploy by evening. Ownership: No bystanders here—every engineer plays a crucial role in shipping meaningful code.

At WHOOP, our mission is to revolutionize human performance and enhance healthspan. We empower our users to achieve peak performance by providing them with profound insights into their bodies and daily activities. Our cutting-edge wearable technology meticulously tracks vital physiological metrics, including heart rate variability, resting heart rate, and sleep quality, delivering personalized insights that optimize fitness, health, and recovery.As a Backend Software Engineer II specializing in AI Experiences, you will harness WHOOP's state-of-the-art generative AI capabilities to design, develop, and maintain engaging member-facing features that significantly improve health outcomes. You will be an integral part of a collaborative team, working alongside seasoned engineers, designers, and product managers to empower our members in understanding their health, enhancing their performance, and navigating their WHOOP journey with clarity.

FieldAI is revolutionizing the way robots interact with the real world. Based in Boston, our expanding R&D team develops AI systems that are risk-aware, reliable, and field-ready, addressing some of the toughest challenges in robotics while unlocking the capabilities of embodied intelligence. Our pragmatic approach goes beyond traditional, purely data-driven methods or transformer-only architectures, integrating cutting-edge research with real-world applications. Our solutions are deployed globally, and we continually enhance model performance through rapid iterations informed by real-world usage.We are looking for a Software Engineer specializing in Human-Robot Interaction. In this role, you will influence how humans and robots communicate, collaborate, and establish trust in various environments. You will design intuitive interfaces and natural language dialogue systems that make our robots accessible, understandable, and effective partners for operators across diverse sectors.This position lies at the nexus of robotics, artificial intelligence, and human factors. You will collaborate closely with both research and product teams, transforming cutting-edge insights from Human-Robot Interaction into deployment-ready systems that reach customers. Leveraging foundational models, you will transcend traditional command-and-control interfaces to enable rich, context-aware dialogue and adaptive robot behaviors. If you are passionate about bridging research and execution to tackle ambitious challenges in embodied intelligence, we would love to connect with you.