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Senior Machine Learning Engineer - ML Planner

Motional

Full-time|$146K/yr - $225K/yr|Remote|Boston, Massachusetts, United States; Pittsburgh, Pennsylvania, United States; Remote U.S.

Join Our Team at Motional: As a Senior Machine Learning Engineer specializing in ML Planning, you will collaborate with top-tier machine learning engineers and research scientists to revolutionize the future of self-driving vehicles. Your work will contribute to creating a positive social impact by enhancing the technology that interprets complex driving env…

Mar 31, 2026

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Machine Learning Infrastructure Engineer

Later

Full-time|On-site|Boston, MA

Join Later as a Machine Learning Infrastructure Engineer, where you will play a vital role in building and optimizing our machine learning systems. You will work closely with data scientists and software engineers to create robust infrastructure that supports the scalable deployment of machine learning models.

May 2, 2026

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Machine Learning Engineer

Air Space Intelligence

Full-time|On-site|Boston, US

About Air Space IntelligenceAt Air Space Intelligence (ASI), we are at the forefront of mission-critical technology that transforms decision-making across the aviation, defense, energy, and critical infrastructure sectors. Supported by leading investors such as Andreessen Horowitz, Spark Capital, and Renegade Partners, ASI empowers organizations to achieve operational decision superiority—reducing days of analysis into mere seconds of actionable insights. Join us as we redefine the limits of possibility.Your Role:As a vital member of our engineering team, you will be responsible for designing and deploying robust production-grade systems that seamlessly integrate machine learning models into scalable software pipelines. You will develop and implement features that utilize machine learning to address real-world optimization and prediction challenges, leveraging cutting-edge technologies such as Kubernetes, AWS, and MLOps tools. Your approach will reflect a software engineer's mindset—focusing on reliability, maintainability, and high performance at scale.Our Core Values:Expertise in Python, along with experience in production machine learning tools and frameworks like TensorFlow, PyTorch, and scikit-learn.Hands-on experience with large language models (LLMs) in production settings, encompassing prompt engineering, fine-tuning, retrieval-augmented generation (RAG) systems, and frameworks such as LangChain.Deep understanding of data structures, algorithms, and software engineering principles.Familiarity with classical machine learning, deep learning with an emphasis on transformer architectures, and MLOps methodologies.Experience in building and maintaining scalable, reliable machine learning systems with comprehensive data pipelines, including proficiency with Apache Beam, MLflow, and similar tools.Dedication to high-quality machine learning engineering practices, including data versioning, experiment tracking, model governance, and automated testing pipelines.A preference for simplicity and clarity when tackling complex challenges.An inquisitive mind and eagerness to collaborate with others.Strong communication skills and the ability to work effectively across cross-functional teams.Our Hiring Philosophy:We view the interview process not merely as a screening test but as an opportunity to simulate what it will be like to work together. Our hiring process is tailored around you.

Apr 3, 2025

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Senior Engineer, Autonomy ML Systems

Motional

Full-time|$125K/yr - $167K/yr|On-site|Boston, Massachusetts, United States

Motional is developing autonomous driving technology with an emphasis on safety, reliability, and accessibility. Backed by Hyundai Motor Group, the company is working toward the commercial launch of fully driverless IONIQ 5 robotaxis in Las Vegas, aiming to advance AI-driven transportation and improve road safety. The Systems Readiness and Performance team connects software development with real-world deployment. This group manages system design, verification, and validation for the autonomy stack, setting and measuring performance targets, and building the safety case for commercial deployment. The Autonomy Subsystems team is responsible for designing and evaluating autonomy software modules. As a Senior Engineer, Autonomy ML Systems based in Boston, you will focus on strengthening evaluation processes for machine learning subsystems. The role covers offline model evaluations, open and closed-loop re-simulations, and on-road performance assessments. The main objective is to develop meaningful metrics, validate subsystem performance, and provide actionable feedback to machine learning developers. Collaboration across teams is essential to improve in-vehicle machine learning models as Motional prepares to scale its robotaxi service. Key Responsibilities Define, prototype, and validate advanced metrics to provide new insights into model performance, especially for perception, prediction, and planning subsystems. Review the coverage of current training and testing data, and curate test sets that represent Motional’s operational design domain, including agent types, scenarios, and spatial factors. Assess machine learning model performance using established metrics and curated tests. Analyze large-scale data from on-road and simulation events to evaluate system-level performance and understand how each subsystem contributes. Set performance requirements for autonomy subsystems and confirm those requirements are met. Requirements Experience designing and evaluating safety-critical systems and machine learning models. Interest in autonomy, robotics, and machine learning.

Apr 21, 2026

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Senior Machine Learning Engineer at hike-medical | Boston

hike-medical

Full-time|On-site|Boston

Join our innovative team at hike-medical as a Senior Machine Learning Engineer. In this pivotal role, you will harness state-of-the-art machine learning techniques to develop cutting-edge healthcare solutions. Your expertise will drive the design and implementation of robust algorithms, enhancing the efficiency and accuracy of our medical technologies.

Mar 12, 2026

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Technical Lead in Machine Learning Operations

Whoop, Inc.

Full-time|On-site|Boston, MA

Join our dynamic team at Whoop as a Technical Lead in Machine Learning Operations, where you will play a pivotal role in overseeing innovative machine learning projects. Your expertise will guide our team in deploying and maintaining cutting-edge ML solutions, ensuring operational excellence and scalability. Collaborate with cross-functional teams to drive impactful data-driven decisions and optimize our ML infrastructure.

Apr 30, 2026

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Senior Machine Learning Engineer - Prediction

Motional

Full-time|$146K/yr - $225K/yr|Remote|Boston, Massachusetts, United States; Pittsburgh, Pennsylvania, United States; Remote U.S.

Join Our Team: At Motional, our mission is to revolutionize transportation through the development of autonomous vehicles. As part of our cutting-edge team, you will collaborate with top-tier machine learning engineers and research scientists to bring self-driving technology to life, making a positive impact on society. We focus on creating advanced tech stacks that analyze complex driving environments and generate safe, comfortable trajectories for our robotaxi services using state-of-the-art deep neural networks.Your Role:As a Senior Machine Learning Engineer specializing in prediction, you will play a pivotal role in training, evaluating, and deploying our machine learning models for scene understanding, behavior prediction, and planning. Your daily responsibilities will include:Designing and conducting high-impact experiments through collaboration with fellow machine learning engineers.Prototyping and enhancing metrics for assessing the performance of our behavioral models across various scenarios and capabilities.Ensuring timely updates of major models, including detailed analysis of offline and on-road evaluation data.Staying abreast of the latest industry trends, proposing innovative architectures and network designs based on current literature.Maintaining a robust training and evaluation codebase, particularly focusing on dataset generation and evaluation.

Mar 31, 2026

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Senior Machine Learning Engineer - Data & Intelligence Products

AcuityMD

Full-time|Remote|Boston or Remote

Join AcuityMD as a Senior Machine Learning Engineer where you'll play a pivotal role in shaping our Data and Intelligence products. In this dynamic position, you will leverage your expertise in machine learning algorithms and data analysis to create innovative solutions that drive our product offerings. Collaborate with cross-functional teams to enhance our capabilities and deliver exceptional value to our clients.

May 1, 2026

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Senior Machine Learning Engineer (Health)

WHOOP

Full-time|On-site|Boston, MA

WHOOP, a leading innovator in health and fitness wearables, is dedicated to enhancing human performance and extending healthspan. We empower our members by providing profound insights into their physical condition and daily habits. As part of our Health team, you will contribute to developing cutting-edge algorithms and features that enhance our health offerings. This role involves pioneering work in various domains including women’s health, medical-grade metrics, wellness monitoring, and longevity research, merging continuous physiological data with clinical research to create impactful health solutions. As a Senior Machine Learning Engineer, you will design, construct, and implement ML systems that deliver personalized health metrics to millions. Your expertise will bridge data science, backend engineering, and cloud infrastructure, focusing on robust, scalable ML solutions derived from physiological and behavioral data. Strong coding, system design skills, and the ability to produce production-ready ML services are essential for success in this position.

Sep 25, 2025

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Senior Staff Machine Learning Engineer - Perception

Zoox

Full-time|On-site|Boston, MA

Join our innovative Perception team at Zoox, where we harness the power of cutting-edge sensor data to decode the intricacies of dynamic driving environments. In this pivotal role, you will leverage world-class sensor data and a robust infrastructure to test and validate groundbreaking algorithms. Your contributions will be instrumental in developing advanced algorithms for segmentation, tracking, classification, and high-level scene understanding, allowing you to engage with any or all of these exciting components.As a Senior Staff Machine Learning Engineer, you will spearhead the creation of machine learning algorithms that significantly influence both onboard and offboard autonomy and validation processes. You will work collaboratively with specialized teams in Prediction, Planning, Simulation, and Safety Validation, shaping our overarching technical framework. Your innovative approach will bridge team boundaries, enabling the prototyping of new methodologies that guide the long-term technical vision across multiple divisions within the organization. The impact of your work will range from achieving immediate company objectives to leading pioneering exploratory initiatives.

Nov 12, 2024

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Principal Machine Learning Engineer

Wiser Solutions

Full-time|Remote|Boston

LOCATION: This position can be based anywhere in Canada, with a preference for candidates in the eastern or central time zones to collaborate effectively with our teams in the US, Europe, and India.ABOUT THE ROLEWiser Solutions is on the lookout for a Principal Machine Learning Engineer to steer and implement our AI and data science initiatives. This senior technical leadership role requires a unique individual who possesses extensive knowledge in machine learning, data science, and production engineering, coupled with the business insight needed to transform intricate capabilities into tangible customer value.In this role, you will serve as the leading technical authority on AI at Wiser. Your responsibilities will include defining the architectural vision, showcasing our capabilities to clients and partners, and delivering production systems that yield measurable business results. This position demands an individual who can seamlessly navigate between strategic planning and hands-on execution, capable of engaging with executives one day and troubleshooting production pipelines the next.We are fostering an AI-driven engineering culture at Wiser, where AI tools and methodologies are integrated into our workflows—not just our products. We seek a Principal AI Engineer who not only develops AI solutions but also exemplifies AI-enhanced working practices and aids the broader engineering team in their adoption. If you’re passionate about the transformative power of AI in software development and actively embrace this shift in your daily work, we want to hear from you.Key ResponsibilitiesStrategic LeadershipCollaborate with product and business leadership to define and refine Wiser's technical AI and data science strategy.Communicate Wiser's AI capabilities to clients, partners, and advisors, outlining our approach, roadmap, and unique value proposition.Spot high-impact opportunities where AI can effectively address client challenges or provide competitive advantages.Set technical standards, patterns, and best practices that guide engineering decisions across the organization.Technical ExecutionDesign and develop production AI systems, including applications for LLM, RAG pipelines, semantic search, and traditional ML models.Create rigorous evaluation frameworks, experimentation methodologies, and monitoring systems that ensure AI solutions deliver reliable, measurable outcomes.Integrate classical data science techniques (statistical modeling, experimentation design, feature engineering) with modern generative AI methods.Oversee the technical quality of AI systems end-to-end, from data pipelines and model deployment to production observability.Cross-Functional CollaborationWork alongside product management to translate business needs into technical solutions and validate them against customer expectations.Guide and uplift the AI/data science team (3-5 engineers), enhancing the technical proficiency across the board.

Mar 4, 2026

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Staff Technical Lead Manager, Machine Learning Data Services

Motional

Full-time|$225K/yr - $275K/yr|On-site|Boston, Massachusetts, United States

The Machine Learning (ML) Data Services team is on the lookout for a passionate and seasoned Staff Technical Lead Manager (TLM) to spearhead the evolution and operation of our essential machine learning data infrastructure. This pivotal position requires a unique fusion of in-depth technical knowledge in machine learning systems, extensive data processing, and a proven track record in leadership to effectively manage both individual contributors and set technical direction. The ML Data Services team plays a vital role in ensuring the provision of reliable, high-quality, and easily accessible data for all machine learning applications. As custodians of the 'Data Engineering' phase of the ML lifecycle, we handle the most crucial input for any ML system: the data itself. Our infrastructure supports hundreds of data pipelines and processes petabytes of data, directly facilitating the success of our flagship products. Key Responsibilities: Technical Leadership and Strategic Direction Develop and execute the technical roadmap and long-term strategy for the ML Data Services platform, ensuring alignment with the growing needs of ML engineers across the organization. Act as the leading technical authority for the team, designing complex, highly scalable, and fault-tolerant systems for data ingestion, transformation, and serving. Guide the technical vision for sourcing diverse training data, encompassing real-world drive logs, resimulation outputs, auto-labeling pipelines, and human labeling efforts. Oversee the implementation of robust mechanisms for monitoring data quality, tracking data lineage, and ensuring comprehensive data governance and compliance. Provide hands-on technical mentorship, design reviews, and guidance to engineers, promoting best practices, high code quality, and operational excellence. Management and Team Development Lead a team of software engineers, conducting performance reviews, facilitating career development, and providing coaching and mentoring. Balance a hybrid role as a technical leader-manager, dedicating 50% of efforts to management and 50% to technical leadership, architecture, and hands-on coding/design. Drive recruitment efforts to attract, onboard, and retain exceptional engineering talent, fostering a diverse and inclusive team culture. Promote engineering excellence, operational rigor, and a strong sense of ownership within the team. Collaboration and Execution Work closely with ML model and Infrastructure teams to understand data requirements and deliver solutions that expedite ML development cycles. Lead the execution of major projects, ensuring timely delivery and alignment with business objectives. Effectively communicate complex technical concepts to a variety of stakeholders.

Mar 31, 2026

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Principal Engineer, Tech Lead Manager - ML Acceleration

Motional

Full-time|$240K/yr - $330K/yr|Remote|Boston, Massachusetts, United States; Pittsburgh, Pennsylvania, United States; Remote U.S.

Mission Summary:We are looking for a highly skilled and innovative Principal Engineer to take the helm as Tech Lead Manager for our newly established Machine Learning (ML) Acceleration team. This critical position will spearhead the strategy, development, and implementation of initiatives designed to dramatically enhance the training speed of ML models. Our ultimate aim is to significantly shorten the development cycle for new ML models and facilitate rapid hot-patching for challenges encountered in our autonomous vehicle services.As a hands-on leader, you will merge extensive technical knowledge in ML systems and performance optimization with exceptional leadership and management capabilities. You will be responsible for recruiting, mentoring, and nurturing a high-performing team of engineers, while cultivating a culture of innovation, teamwork, and ongoing enhancement.Key Responsibilities:Team Leadership & Management:Establish, direct, and oversee a top-performing team of ML and infrastructure engineers dedicated to acceleration initiatives.Provide technical direction, mentorship, and professional growth opportunities for team members.Encourage a collaborative and inclusive team atmosphere.Set team objectives, priorities, and operational roadmap in alignment with organizational goals.Technical Strategy & Execution:Articulate the technical vision and strategy for ML acceleration throughout the organization.Identify and assess state-of-the-art technologies and methodologies for expediting ML training, including data pipeline optimization, large-scale distributed training, data loader optimization, hardware acceleration, and model optimization techniques.Design, develop, and implement scalable and efficient ML acceleration solutions.Cross-functional Collaboration:Work closely with ML research, ML training platforms, and product teams to comprehend their requirements and seamlessly integrate acceleration solutions.Effectively communicate complex technical concepts and strategies to both technical and non-technical audiences.Serve as a technical expert and advocate for ML acceleration projects across the organization.Impact & Measurement:Regularly assess and report on the effectiveness of acceleration initiatives.Continuously pursue opportunities for further optimization and innovation.

Mar 31, 2026

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Senior Machine Learning Engineer - Infrastructure Intelligence

Cyvl

Full-time|On-site|Boston, Massachusetts

About UsCyvl is an innovative tech startup based in Boston, reshaping the way governments map and manage their transportation infrastructure. Our cutting-edge hardware and software solutions utilize advanced 3D mapping sensors to collect LiDAR, imagery, and GPS data, seamlessly integrated into our clients' vehicles. This data is processed through our AI-driven cloud pipelines to produce actionable geospatial insights that optimize city operations, saving time, money, and resources.At Cyvl, our mission is to empower governments in constructing and maintaining public infrastructure they can be proud of. We accelerate decision-making through our sensors and Infrastructure Intelligence Platform. This role is pivotal for our intelligence extraction process, responsible for transforming millions of street-level images and dense LiDAR point clouds into structured, queryable knowledge about the physical realm.We are a dynamic and rapidly growing team that believes in addressing real-world challenges with authenticity, simplicity, and courage. Each team member is empowered to take initiative, achieve results, and make a lasting impact on the communities we serve.

Apr 1, 2026

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Principal Engineer Team Lead, Prediction & ML Planner

Motional

Full-time|$212K/yr - $283K/yr|Remote|Boston, Massachusetts, United States; Pittsburgh, Pennsylvania, United States; Remote U.S.

Join our innovative Behaviors team focused on Prediction and Machine Learning Planning at Motional, where you will collaborate with leading ML engineers dedicated to transforming self-driving vehicles into a reality and making a positive impact on society. Our team develops advanced machine learning models that understand how various agents navigate intricate, real-world traffic environments. These models are pivotal in directing the behavior of our autonomous vehicles while also predicting the actions of other entities like vehicles and vulnerable road users. We are on the lookout for exceptional leaders and technical specialists who are deeply passionate about Level 4 autonomous driving technology. If you thrive on intellectual challenges and seek to advance your career within a rapidly growing organization, we want to hear from you!

Mar 31, 2026

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Senior Machine Learning Engineer - Data Mining

Motional

Full-time|$172K/yr - $229K/yr|On-site|Boston, Massachusetts, United States

Mission Overview: At Motional, we are revolutionizing the way autonomous vehicles extract vital insights from extensive multimodal sensor data. Our advanced autonomous driving architecture relies on identifying rare edge cases, long-tail scenarios, and significant model inaccuracies. Our innovative framework, Omnitag, serves as the driving force behind this data discovery. In your role as a Senior Machine Learning Engineer within the Data Mining team, you will be tasked with creating the "Brain" of this framework: designing large-scale multimodal Teacher models that interpret the world and refining them into hyper-efficient Student models capable of analyzing exabytes of data in near real-time. You will operate at the crossroads of large-scale representation learning, retrieval optimization, and reasoning systems. Your contributions will profoundly impact how we encapsulate knowledge into streamlined encoders for rapid searches, as well as how we utilize reinforcement learning to enhance data discovery processes and intelligent querying. By developing smarter mining tools, you will expedite the entire model enhancement lifecycle for teams engaged in post-training evaluations, error diagnostics, and dataset refinement.

Mar 31, 2026

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Engineering Manager, Machine Learning Platform

Klaviyo

Full-time|On-site|Boston, MA

Klaviyo is looking for an Engineering Manager to guide the Machine Learning Platform team in Boston, MA. This position leads a group of engineers focused on building and improving machine learning solutions that support Klaviyo’s products. Role overview The Engineering Manager will oversee the development and enhancement of the machine learning platform. This includes working closely with cross-functional partners to ensure the platform remains scalable and high-performing as it evolves. What you will do Lead and mentor a team of engineers working on machine learning initiatives Collaborate with other teams to deliver impactful projects Drive improvements in platform scalability and performance Help shape the direction of Klaviyo’s machine learning capabilities Requirements Experience managing engineering teams Background in machine learning platforms or related technologies Strong collaboration skills with cross-functional groups

Apr 28, 2026

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Senior Machine Learning Engineer (Health) at WHOOP | Boston

WHOOP

Full-time|On-site|Boston, MA

At WHOOP, we are dedicated to revolutionizing health and fitness through advanced wearable technology. Our mission is to empower individuals to unlock their full potential by gaining profound insights into their health and performance.The Health team focuses on innovating algorithms and features that enhance our health monitoring capabilities. Our initiatives encompass critical areas such as women’s health, software as a medical device, wellness tracking, longevity research, and cutting-edge health insights. By integrating continuous physiological data with clinical research and expert opinions, we create features that are scientifically robust and significantly beneficial to our members.As a Senior Machine Learning Engineer on our Health team, your role will involve designing, developing, and deploying machine learning systems that provide meaningful, tailored health metrics for millions. You will operate at the confluence of data science, backend engineering, and cloud infrastructure, delivering scalable and dependable ML solutions based on physiological and behavioral data streams. This position requires exceptional coding skills, system architecture expertise, and the capability to produce production-ready machine learning services.

Feb 17, 2026

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Staff Machine Learning Engineer (Foundation AI)

WHOOP

Full-time|On-site|Boston, MA

At WHOOP, we are revolutionizing health and fitness with our state-of-the-art wearable technology, dedicated to enhancing human performance and extending healthspan. Our innovative approach enables members to gain profound insights into their bodies, behaviors, and daily activities, empowering them to make healthier choices and achieve peak performance.We are on the lookout for a Senior Machine Learning Engineer to join our dynamic Foundation AI team. This team is responsible for developing the multimodal foundation models that drive WHOOP’s next generation of intelligent, personalized, and health-optimizing solutions. These models seamlessly integrate data from wearable sensors, linguistic inputs, biomarkers, clinical data, and self-reported metrics to build scalable AI systems that accurately understand human physiology and behavior.In this pivotal role, you will be a key individual contributor leading the research, development, and implementation of large-scale multimodal models. You will work collaboratively with data scientists, ML engineers, and cross-functional partners to advance the frontiers of deep learning and ensure that our models provide significant value to WHOOP members.

Nov 6, 2025

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Senior/Staff Machine Learning Engineer - Perception Offline Driving Intelligence

Zoox

Full-time|On-site|Boston, MA

Join the innovative Offline Driving Intelligence (ODIN) team at Zoox, where we harness cutting-edge AI technologies to develop algorithms that offer a profound understanding of our environment. Our focus is on creating robust models that operate offline, guiding the development of our autonomous robot to navigate safely and efficiently through intricate settings.As a pivotal member of the ODIN team, you will be at the forefront of engineering advanced multimodal large language models that significantly enhance environmental perception. You will refine these models for off-vehicle analysis while collaborating closely with our onboard team to maximize their performance in our robotaxi service. Your contributions will ensure timely hazard detection and accurate interpretation of driving constraints with minimal latency. Collaborating with elite engineers and researchers, you will utilize high-quality sensor data and state-of-the-art infrastructure to validate your algorithms in real-world scenarios, making a direct impact on the productivity, safety, and functionality of Zoox's autonomous systems.

Dec 19, 2025

Senior Machine Learning Engineer (Health) at WHOOP | Boston

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