Lead AI Engineer

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 in…

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.

At Klaviyo, we celebrate the diverse backgrounds, experiences, and perspectives that each team member brings to our vibrant workplace. We believe that everyone deserves an equal opportunity to succeed, and we value the unique insights that individuals contribute beyond traditional qualifications. If you find that you closely match the criteria but not perfectly, we encourage you to apply. Interested in discovering more about life at Klaviyo? Visit klaviyo.com/careers to see how we empower creators to take charge of their future.At Klaviyo, we envision a future where software transcends traditional productivity tools, evolving into intelligent systems that autonomously optimize based on performance metrics. Our platform serves as a crucial bridge between businesses and their consumers, boasting over 167,000 customers, billions of consumer profiles, and a vast array of customer interactions and conversion data. This presents an exciting opportunity to develop cutting-edge AI and machine learning technologies that will enhance our product offerings and create AI agents capable of autonomously orchestrating marketing strategies and customer experiences across various industries.As a Senior AI Engineer at Klaviyo, you will be instrumental in architecting and developing scalable backend systems and user experiences that drive our AI innovations forward. You will collaborate closely with product managers, machine learning engineers, and data scientists to create substantial real-world impacts at scale. This role is primarily backend-focused, providing opportunities to influence system architecture, asynchronous processing pipelines, distributed systems, and more.

Join Klaviyo as a Senior AI Engineer and be a pivotal part of our innovative team, driving the future of AI technology in marketing automation. You will leverage your expertise to design, develop, and implement cutting-edge AI solutions that enhance our products and empower our clients.

FieldAI is at the forefront of revolutionizing robot interactions with the real world. Our dynamic R&D team, based in Boston, is committed to developing risk-aware, reliable, and field-ready AI systems that address the most challenging problems in robotics and unleash the potential of embodied intelligence. We adopt a pragmatic methodology that transcends traditional off-the-shelf and purely data-driven approaches, integrating cutting-edge research with practical deployment. Our solutions have been successfully implemented globally, and we continuously enhance model performance through rapid iterations informed by real-world applications.We are looking for a seasoned Senior Engineering Manager to lead an agile, high-performing team of research scientists and engineers at the cutting edge of robotics AI. In this pivotal role, you will craft and implement research strategies, oversee the creation of advanced AI algorithms, and steer initiatives from initial research to real-world deployment on physical robotic systems. You will harmonize deep technical leadership with effective people management, ensuring scientific excellence and tangible impact on the field.This is your chance to influence the future of robotic autonomy by transforming groundbreaking research into systems that function reliably in complex, dynamic environments on actual robots.

As a Senior Lead AI Engineer at Klaviyo, you will be at the forefront of developing innovative AI solutions that enhance our marketing automation platform. You will collaborate with cross-functional teams to design, implement, and optimize advanced machine learning models, driving impactful outcomes for our clients. Your expertise in AI and machine learning will play a crucial role in shaping the future of our products.

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

Senior AI EngineerLocation: Boston (preferred) or Nashville | Travel: ~15% | Reports to: CTOAbout SynqueryAt Synquery, we are revolutionizing the way organizations access and scale human expertise through cutting-edge AI research. Supported by leading venture capital firms such as Afore Capital, Audacious Ventures, and Caesar Ventures, we collaborate with top consulting firms and investors to redefine working methodologies. Our AI-driven platform delivers expert insights in days, not weeks, transforming how clients approach due diligence, competitive intelligence, and market research.We foster a culture that prioritizes speed, entrepreneurial spirit, and a relentless pursuit of success. As we expand rapidly, we seek extraordinary engineers eager to develop world-class AI systems and contribute to the future of AI in business.The RoleWe invite a seasoned Senior AI Software Engineer to join Synquery at an exhilarating phase of our growth. This pivotal role entails significant responsibility across the entire product lifecycle, collaborating directly with the CTO to design and develop the systems that power our platform from start to finish.Our platform processes vast amounts of data through a sophisticated expert network automation pipeline, identifying the right experts, vetting credentials, ensuring availability and compatibility, and executing AI-driven interviews that yield actionable insights—all for some of the most demanding clients in consulting and investment. The technical challenges are substantial, the stakes are high, and the pace is rapid.Our mission is to democratize access to expert-level answers for questions lacking digital solutions—knowledge that resides solely in the minds of seasoned professionals. You will be instrumental in building the AI infrastructure that enables this: robust, scalable, and genuinely advancing the possibilities of agentic AI in real-world applications.

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.

Join our team at Klaviyo as a Senior AI Platform Engineer and be part of a transformative journey in the AI and machine learning landscape. We are looking for an innovative engineer who is passionate about designing and scaling backend systems that power cutting-edge AI products and solutions. In this role, you will have the opportunity to influence architecture decisions, enhance asynchronous processing, and work with distributed systems. Collaborate with product managers, machine learning engineers, and data scientists to create impactful solutions for over 167,000 customers globally. This hybrid role is based in the vibrant city of Boston, where creativity and technology converge.

ServiceNow is seeking a Senior AI Engineer focused on Delivery Acceleration in Boston. This position centers on using artificial intelligence to improve how the company delivers its services and solutions. Role overview The Senior AI Engineer works with cross-functional teams to design and implement AI-driven improvements in delivery processes. The goal is to make these processes more efficient and effective, supporting ongoing business transformation efforts. Key responsibilities Apply AI expertise to streamline and optimize service delivery workflows. Collaborate with colleagues from different departments to identify opportunities for AI solutions. Develop and deploy AI models that support business goals and enhance delivery outcomes. Collaboration This role involves regular interaction with teams across the organization. Working together, you will help shape and implement AI strategies that improve ServiceNow’s operations and customer experience.

OverviewJoin us as a Senior Principal AI Engineer where you will play a pivotal role in shaping and leading the development of complex, production-grade AI systems. This position is tailored for innovative builders—those with a proven track record of transforming AI concepts into operational systems, adept at identifying and overcoming challenges that arise during scaling, and skilled in empowering teams to accelerate progress without compromising quality.This is not a conventional strategy or management position; instead, it is a highly technical role that significantly influences organizational direction. You will establish the technical roadmap through coding, system design, and fostering a builder-centric culture even as we navigate increasing complexity and scale.

Join CGS Federal as a Senior Lead Network Engineer, where you'll play a pivotal role in enhancing and managing our extensive network infrastructure. This is a full-time position dedicated to improving a large-scale network project that involves both wired and wireless systems.As a key member of our Information Technology team, you will assess our current network setup, design, and implement an integrated infrastructure, and provide expert consultation on necessary hardware and software. Your responsibilities will also include systems testing, conducting vulnerability assessments, and ensuring quality assurance throughout the project lifecycle.At CGS, we value innovation and collaboration. We are looking for motivated professionals eager to contribute to government innovation while fostering a supportive work environment that encourages professional growth through various learning opportunities.

Veeva Systems, a trailblazer in the industry cloud space, is dedicated to expediting the delivery of therapies to patients in the life sciences sector. With a remarkable ascent as one of the fastest-growing SaaS companies globally, we achieved over $2 billion in revenue last fiscal year, with promising growth opportunities on the horizon.At Veeva, we embody core values that guide our mission: Doing the Right Thing, Customer Success, Employee Success, and Speed. In 2021, we made history by becoming a public benefit corporation (PBC), reinforcing our commitment to balancing the needs of customers, employees, society, and investors.As a Work Anywhere company, we empower you with the flexibility to choose your work environment, whether at home or in the office, enabling you to excel in your ideal setting.Join us in transforming the life sciences industry and making a meaningful impact on our customers, employees, and communities.

At Veeva Systems, we are on a mission to revolutionize the life sciences industry by accelerating the process of bringing therapies to patients. As a trailblazer in the industry cloud space, we have achieved remarkable success, surpassing $2 billion in revenue last year with a promising trajectory ahead.Our core values—Do the Right Thing, Customer Success, Employee Success, and Speed—guide every decision we make. In 2021, we proudly became a public benefit corporation, reinforcing our commitment to balance the interests of all stakeholders, including customers, employees, and society.As a Work Anywhere company, we embrace flexibility, allowing you to choose your work environment—whether remote or in-office—so you can thrive in the way that suits you best.Become part of our journey to transform the life sciences sector and make a positive impact on the communities we serve.

Join CarGurus as a Senior AI Engineer, where you will play a pivotal role in developing cutting-edge AI solutions that enhance our platform and user experience. Collaborate with a dynamic team of engineers and data scientists to innovate and implement AI technologies that drive our business forward.

At WHOOP, we are dedicated to enhancing human performance and extending healthspan through innovative solutions. Our mission is to empower individuals to reach their peak performance and enjoy longer, healthier lives. Utilizing advanced AI technologies, we transform continuous physiological data into meaningful insights and actionable recommendations. The AI platform is vital to our vision, converting raw physiological signals into personalized guidance that our members can implement daily.We are seeking a Senior AI/ML Engineer to play a crucial role in scaling our AI-driven experiences, which include WHOOP Coach, AI-powered Support, and various intelligent features across our product suite. In this pivotal position, you will be responsible for overseeing essential components of the AI Platform that power our internal AI Studio, such as evaluation pipelines, fine-tuning workflows, LLM observability, and experimentation tools. You will collaborate closely with product teams and data scientists to translate real user needs into robust, impactful AI systems that evolve based on actual usage.

About Us:Axiomatic AI is at the forefront of creating a revolutionary class of AI systems that embody the principles of the scientific method. By merging deep learning with formal logic and physics-based modeling, we are developing verifiable and interpretable AI systems that enhance and support human researchers within critical scientific and engineering processes.Our ambitious mission, known as 30×30, aims to achieve a 30-fold improvement in the speed, accessibility, and cost of semiconductor and photonic hardware development by the year 2030.We are committed to transforming hardware design and simulation across these industries and are assembling a team of exceptionally driven professionals to transition innovations from research into viable commercial products.Position Overview:As a Senior Applied AI Engineer, you will serve as a vital link between AI research and the production of software. Your responsibilities will include:Collaborating with users and internal stakeholders to pinpoint workflows where AI can add significant value.Designing and implementing product features powered by large language models (LLMs), utilizing frameworks such as PydanticAI or similar tools.Making informed trade-offs among models and methodologies, considering factors such as quality, latency, cost, privacy, and reliability.Facilitating AI developers in deploying their work in a reproducible and secure manner.Setting engineering standards for applied AI development, including testing, code reviews, maintainability, and operational readiness.Working closely with backend engineers to seamlessly integrate AI functionalities into our products.Mentoring junior AI developers and overseeing pull requests to guarantee high-quality output and consistent development patterns.Your Mission:Applied AI Product DevelopmentOversee applied AI features from start to finish: discovery, design, implementation, rollout, and iteration.Convert user feedback into clear technical requirements and realistic delivery plans.Create LLM workflows, including tool-calling agents, structured output pipelines, retrieval/tool integrations, and effective prompting strategies.Iterate rapidly while maintaining high production quality (readability, maintainability, debuggability).Model & Prompt StrategySelect and assess LLMs (OpenAI/Anthropic/others) based on tangible constraints: quality, cost, latency, context limitations, and reliability.Develop prompt patterns and guardrails, including structured prompts, schemas, constraints, and fallback mechanisms.Design and execute lightweight evaluations to prevent regressions.

Join our dynamic team as a Senior Staff Engineer specializing as a Salesforce Technical Lead. In this pivotal role, you will spearhead innovative Salesforce solutions, guiding projects from conception through implementation. Your expertise will drive technical excellence and enhance our product offerings, ensuring a seamless user experience for our clients.

Join our dynamic team at sevenai as a Senior Frontend Engineer. In this pivotal role, you will be responsible for crafting and developing the user-facing elements of our advanced AI-driven cloud platform. Your expertise will enable you to design scalable and high-performance web interfaces that simplify complex cybersecurity functions, making them user-friendly and accessible.As our platform evolves towards greater AI integration, your role will focus on creating interfaces that promote explainability and trust in these intelligent systems. You will play a crucial role in helping users comprehend AI decision-making processes, transforming model outputs and security insights into clear, actionable, and transparent user experiences.As a senior member of our engineering team, you will influence our frontend architecture, provide mentorship to junior engineers, and collaborate closely with design and product teams to deliver outstanding, insight-driven user experiences.