Lead Machine Learning Engineer

Unlock your potential by joining a leading performance-focused advertising company! As the Team Leader of the Machine Learning group focused on advertisers at our Tel Aviv office, you will be instrumental in innovating how we model user intent at scale and convert rich behavioral data into more intelligent recommendations. You will oversee the design and adv…

Who We Are:Founded in 2016, K Health aims to revolutionize the healthcare landscape by making high-quality medical services accessible to everyone. As a pioneering clinical AI company focused on primary care, we have developed a suite of clinical AI agents that optimize provider efficiency and enhance patient outcomes. Our virtual primary care platform features an AI copilot that streamlines initial patient intakes, summarizes relevant information from electronic medical records (EMR), and generates comprehensive notes, thus significantly reducing the time our healthcare providers spend on administrative tasks. Unlike traditional virtual medicine companies, K Health offers holistic, continuous primary care in a digital environment, allowing our clinicians to function as genuine primary care providers while maintaining the integrity of their practice and continuity of care.As a venture-backed startup with nearly $400 million in funding and a $900 million valuation as of July 2024, K Health is uniquely positioned for enduring growth. We are expanding collaborations with major health systems such as Cedars-Sinai, Hackensack Meridian Health, and Hartford HealthCare, enhancing both accessibility and quality of care by merging human expertise with technological advancements. Our providers are credentialed at these prestigious health systems and strictly adhere to their clinical guidelines, ensuring patient-centered, evidence-based care. Fully integrated with Epic, our AI platform operates as a seamless extension of existing healthcare systems, leveraging a built-in network of specialists and social services to effectively serve diverse communities. Our distinctive care delivery model allows our providers to offer high-quality, accessible care to a mixed-payer population, including those with commercial insurance, Medicare, and Medicaid.Join us in our mission to create a smarter, simpler healthcare experience for the future - today!About the RoleWe are in search of a driven and skilled Machine Learning Platform Engineer to become a vital member of our innovative team.In this position, you will work collaboratively with data scientists and DevOps experts to design and develop the infrastructure, ecosystem libraries, and data pipelines that propel our data science initiatives. You will take charge of model development, monitoring, and maintenance, partnering closely with data scientists on a daily basis.If you are passionate about AI, machine learning, and producing high-quality code—and are eager to contribute to groundbreaking, impactful projects in the digital health space, we would love to hear from you!

HoneycombAt Honeycomb, we are not just developing technology; we are transforming the insurance landscape.In 2025, Honeycomb was honored by Dun & Bradstreet as one of the Top 10 Best Start-Up Companies to Work For in Israel and recognized by LinkedIn as one of the Top 10 Startups in Chicago.What led us to achieve these accolades?Honeycomb is a fast-growing global startup, well-supported by prestigious investors and driven by an outstanding team of innovators, creators, and problem-solvers. With dual headquarters in Chicago and Tel Aviv (R&D center) and five offices across the U.S., we are revolutionizing the commercial real estate insurance sector, an industry ripe for disruption. Moreover, we ensure that every team member feels a strong connection to our mission and each other.With over $55 billion in insured assets, Honeycomb operates in more than 20 major states, covering 60% of the U.S. population and expanding our reach.If you seek an environment where innovation thrives, culture holds true meaning, and brilliant minds inspire you to elevate your skills every day, then Honeycomb could be the perfect fit for you.About The Role:We are seeking a Senior Machine Learning Platform Engineer to create and maintain the infrastructure that empowers our data science teams to deploy ML and GenAI systems into production. You will establish core functionalities such as data and feature pipelines, training and evaluation infrastructure, and model serving.What You’ll DoDevelop and manage backend systems and APIs that facilitate end-to-end ML workflows (data → training → deployment).Architect for performance, scalability, reliability, and cost-effectiveness in production ML settings.Construct infrastructure for LLM/agentic workflows (tool execution, retrieval, evaluation, observability).Collaborate closely with data scientists to enhance platform capabilities and developer experience.Foster Innovation: Continuously assess and integrate emerging infrastructure technologies to provide Honeycomb’s AI platform with a competitive advantage.

Unlock your potential by joining a performance-driven leader in advertising!As a Data Science Team Lead within the advertiser-focused machine learning group at our Tel Aviv office, you will be instrumental in redefining user intent modeling at scale. You will spearhead the development and refinement of large-scale deep learning models that enhance both advertiser performance and marketplace efficiency. By mentoring team members and steering technical initiatives, you'll transform modeling challenges into scalable production solutions, impacting millions of users as they discover content and enabling advertisers to achieve significant outcomes.

About the RoleJoin us at root as we revolutionize software security with our pioneering autonomous AI platform. Our technology automatically identifies, rectifies, and validates software vulnerabilities, performing these tasks end-to-end and at scale. Imagine AI agents that seamlessly update dependencies, modify Dockerfiles, rebuild Go binaries with patched versions, and validate everything autonomously. This is an intellectually challenging and highly technical role where you will design, implement, and scale AI agent systems for real-world codebases. You will be at the confluence of backend engineering, AI systems, and application security, crafting agents, context pipelines, and evaluation frameworks that enable autonomous reasoning in production environments.What You’ll DoDesign and develop AI agents from the ground up to autonomously detect, repair, and validate vulnerable components.Establish and maintain scalable infrastructure for agent operations [AIOps], focusing on context management, evaluations, and orchestration.Create collaborative workflows that empower multiple agents to work together and reason collectively.Build tools and utilities that enhance agent capabilities (e.g., image inspection, diff generation, static analysis).Implement evaluation and performance metrics to ensure agent reliability and accuracy.Develop hybrid and vector database applications for efficient retrieval and context management.Integrate AI applications such as MCP-based systems, chat interfaces, and standalone utilities.Ensure all experiments are instrumented with tracing, observability, and structured metrics for reproducibility.

About ChalkAt Chalk, we are revolutionizing the landscape of machine learning applications with our innovative data platform. Our mission is to dismantle the obstacles of complexity, latency, and scalability that have long hindered machine learning capabilities. Our platform delivers lightning-fast performance, akin to Rust, paired with user-friendly tools that developers adore. Major enterprises rely on Chalk for a variety of critical tasks, including preventing fraudulent credit card transactions, verifying personal identities, and optimizing the capture of renewable energy. We are proud to announce that we have recently secured a $50 million Series A funding round led by Felicis.Role OverviewAs a Support Engineer at Chalk, you will serve as the primary technical support expert, dedicated to ensuring that our customers enjoy outstanding experiences with our products. You will engage directly with clients across diverse sectors such as finance, healthcare, and e-commerce, assisting them in troubleshooting and optimizing their use of Chalk's platform. This role provides a unique opportunity to gain an in-depth understanding of our technology, collaborate closely with our Engineering and Forward Deployed Engineering teams, and make a significant impact on customer satisfaction and product quality.Key ResponsibilitiesDeliver exceptional front-line technical support to Chalk customers, swiftly diagnosing and resolving technical issues.Work in close collaboration with the Engineering team to escalate and address complex issues efficiently.Cultivate comprehensive product knowledge to empower customers in maximizing their investment in Chalk.Document solutions, create insightful knowledge-base articles, and share insights to mitigate future issues.Identify and propose enhancements to improve product reliability, usability, and overall customer satisfaction.QualificationsA technical background with experience in technical support or software engineering.Proficiency in Python and SQL.Strong troubleshooting, analytical, and problem-solving skills.Excellent written and verbal communication abilities.Demonstrated capability to collaborate effectively with both technical and non-technical teams.Prior experience in customer-facing technical roles is highly desirable.Bachelor's degree in Computer Science or a related field is preferred.

About ChalkChalk is pioneering a robust data platform that is revolutionizing machine learning applications. Our mission is to eliminate challenges related to complexity, latency, and scalability that have hindered ML advancements. By merging Rust's exceptional performance with user-friendly tools, we empower developers to excel. Renowned companies rely on Chalk for critical tasks including fraud detection, identity verification, and optimizing clean energy utilization. Recently, we secured a $50 million Series A funding round, led by Felicis.About the RoleAs a forward-deployed engineer, you will bring your exceptional software engineering skills to craft tailored technical solutions while collaborating with machine learning teams to enhance Chalk's proprietary infrastructure. You will engage directly with our clients, developing efficient feature pipelines for diverse applications in healthcare, finance, and recommendation systems. This position offers a unique chance to work alongside clients, gather requirements, and engineer solutions for use cases including cancer detection, fraud prevention, and product recommendations. Join us as an early employee and play a pivotal role in a rapidly growing startup.ResponsibilitiesDevelop code to integrate Chalk technology for our customers and prospects, familiarizing yourself with Chalk's infrastructure to implement solutions across various environments.Collaborate closely with our Engineering and Sales teams.Serve as the primary technical liaison during pre-sales and post-sales phases, assisting in onboarding new clients and supporting existing ones.Advise clients on new products as their business needs evolve.Participate in interviewing and expanding the Engineering team.QualificationsStrong technical background with experience in software development or building ML models.Minimum of 2 years of professional experience in backend software engineering.Proficiency in Python and SQL.Ability to effectively collaborate with both technical and non-technical team members.Outstanding verbal and written communication skills, coupled with strong problem-solving abilities.

Join Axonius as a Senior Software Engineer specializing in Data Engineering. In this role, you will take charge of the design and development of data architectures, machine learning pipelines, and the cloud infrastructure essential for converting vast and fragmented data into actionable insights. Your contributions will enable business leaders to achieve better visibility, automate critical workflows, and foster strategic advancements across the organization.Key Responsibilities:Data Infrastructure Development: Architect and implement all components of the data platform, including machine learning pipelines and necessary infrastructure.Cloud Data Lake Optimization: Establish and enhance an AWS-based Data Lake while adhering to cloud architecture best practices in metadata management, partitioning, and security to facilitate enterprise-level operations.Project Leadership: Oversee full lifecycle of data projects, from initial infrastructure design to production monitoring and performance tuning.Integration Solutions: Employ effective ETL/ELT patterns and advanced querying techniques to tackle complex data integration challenges arising from both structured and unstructured datasets.

Unlock your potential with a leader in performance-driven advertising! Join us as a Team Leader in the advertiser-side Machine Learning group at our Tel Aviv office, where you will play a crucial role in advancing user intent modeling and transforming rich behavioral data into intelligent recommendations. You will spearhead the design and development of large-scale Deep Learning models aimed at enhancing advertiser performance and improving marketplace efficiency. By providing guidance to team members and steering technical direction, you will bridge modeling gaps and deliver scalable production solutions that impact millions of users and help advertisers achieve significant results.

About Chalk Chalk is revolutionizing the data landscape with a cutting-edge platform that enhances machine learning applications. We're dismantling the complexities, latency, and scalability issues that have historically limited ML capabilities. Our platform merges the lightning-fast performance of Rust with intuitive tools that developers prefer. Trusted by leading enterprises, Chalk facilitates solutions ranging from combating fraudulent credit card transactions to identity verification and optimizing clean energy usage. Recently, we secured a $50 million Series A financing, spearheaded by Felicis. About the Role As a Support Engineer at Chalk, you will serve as our primary technical support resource, ensuring our customers enjoy outstanding experiences with our platform. You will engage directly with clients across sectors such as finance, healthcare, and e-commerce, assisting them in troubleshooting and optimizing their use of Chalk’s technology. This position provides a unique opportunity to gain in-depth knowledge of our technology, collaborate closely with our Engineering and Forward Deployed Engineering teams, and make a significant impact on customer satisfaction and product quality. Your Responsibilities Deliver exceptional front-line technical support to Chalk customers, swiftly diagnosing and resolving technical challenges. Work alongside the Engineering team to escalate and resolve intricate issues efficiently. Develop comprehensive product knowledge to empower customers to extract maximum value from Chalk. Document solutions, create knowledge-base articles, and share insights to mitigate recurring issues. Identify opportunities to improve product reliability, usability, and overall customer satisfaction. Ideal Candidate Profile Technical background with experience in technical support or software engineering. Proficiency in Python and SQL. Strong troubleshooting, analytical, and problem-solving capabilities. Excellent written and verbal communication skills. Ability to collaborate effectively with both technical and non-technical teams. Prior experience in customer-facing technical roles is highly desirable. Bachelor's degree in Computer Science or a related field.

About Chalk Inc. Chalk Inc. is revolutionizing the data platform landscape to propel the future of machine learning applications. We dismantle traditional barriers of complexity, latency, and scalability that have historically limited ML capabilities. Our platform merges the speed of Rust with user-friendly tools that developers appreciate. Top-tier companies rely on Chalk for various applications, including preventing fraudulent credit card transactions, identity verification, and optimizing clean energy utilization. Recently, we successfully secured a $50 million Series A funding, spearheaded by Felicis. About the Role We are seeking a talented Forward Deployed Engineer who excels at crafting custom technical solutions and collaborating with our machine learning teams to enhance Chalk's proprietary infrastructure. In this role, you will engage with Chalk's customers to develop efficient feature pipelines addressing challenges in healthcare, finance, and recommendation systems. This is a unique opportunity to work closely with customers, gathering requirements, and engineering solutions that support critical use cases such as cancer detection, fraud prevention, and product recommendations. Join us in-person as an early employee and make a substantial impact in a high-growth startup environment. What You Will Do Develop and implement Chalk technology for our customers and prospects, gaining familiarity with our infrastructure to ensure optimal integration in various environments. Collaborate closely with our Engineering and Sales teams. Serve as the primary technical liaison during pre-sales and post-sales, assisting in onboarding new customers and providing support to existing ones. Advise customers on new product offerings as their business needs evolve. Contribute to interviewing and expanding our Engineering team.

At Loora, we are dedicated to transforming the educational landscape by eliminating language barriers through our innovative AI technology. We are pioneering the development of a personal AI English tutor that is always accessible to assist users in their learning journey. Our AI tutor provides instant feedback on English proficiency and supports users in achieving fluency.The success of our product relies heavily on an exceptional mobile experience, featuring low-latency audio pipelines, engaging animated avatar interactions, and seamless AI-powered conversation flows that function flawlessly on Android devices worldwide.We are seeking a Lead Android Engineer who will be instrumental in shaping the technical strategy for our Android platform. As a proactive contributor, you will elevate code quality, collaborate on vital architectural decisions, and directly enhance the experience of hundreds of thousands of learners.In this role, you will partner closely with our Product, Design, and AI/backend teams, while also providing technical mentorship to a small team of Android developers.

At Semperis, we are committed to being a Force for Good, starting with fostering an exceptional workplace environment. We believe that when employees feel valued, supported, and empowered, they achieve their best work. Our focus is on cultivating an employee experience that emphasizes purpose, growth, and balance. Semperis has earned accolades such as being recognized among America’s Fastest-Growing Cybersecurity Companies by the Inc. 5000, named a DUNS 100 Top Startup to Work For, and receiving multiple Inc. Best Workplace awards.What We Are Seeking: We are on the lookout for a Platform Engineering Team Lead to spearhead the development of our platform infrastructure and shared services.Your Responsibilities: As the Platform Engineering Team Lead at Semperis, you will guide a talented team in creating and optimizing the foundational platforms that drive our products. Collaboration with product teams, infrastructure architects, and engineering leaders will be essential in defining and executing our platform strategy.Deliver technical leadership and guidance in platform architecture, design patterns, and code reviews.Monitor team development processes, ensuring accountability for platform service delivery, reliability, quality, and timelines.Establish high-quality standards for platform services while exploring technical solutions to meet current and future demands.Lead the design and implementation of shared platform components, APIs, and infrastructure services.Promote platform adoption across engineering teams and establish best practices for platform usage.Take responsibility for the growth and development of your team members through mentorship and career guidance.Your Qualifications:Over 3 years of experience in leading engineering teams, particularly in platform or infrastructure domains.More than 5 years of experience as a backend developer.In-depth knowledge of at least one of C#, .Net, or .Net Core.Extensive experience with distributed systems, microservices architecture, and API design patterns.Proficient in multithreading, object-oriented programming, and asynchronous patterns.Comprehensive experience in designing, executing, and delivering platform services and shared infrastructure.

Yotpo is at the forefront of revolutionizing trust and loyalty within the eCommerce landscape. By utilizing AI-driven Reviews and Loyalty solutions, we empower brands to transform casual browsers into loyal customers and advocates. With robust integrations across the eCommerce ecosystem and the trust of over 30,000 brands globally, Yotpo facilitates seamless omnichannel experiences that enhance conversion rates, fortify customer relationships, and promote sustainable, profitable growth.Your Mission at Yotpo As an Engineering Team Lead, you will serve as the technical cornerstone of a dynamic product team. Your objective is to foster a high-velocity engineering culture where end-to-end ownership is embraced and frequent deployments to production are a standard practice.Within a Product Operating Model, you will guide a team of engineers in a high-performing environment, enabling them to utilize a modern and diverse tech stack to tackle intricate challenges. Your aim is to create a powerful engine of impact that prioritizes speed in innovation, maintains exceptional quality, and grants engineers autonomy in their craft.Key ResponsibilitiesDelivery Management: Oversee the team’s delivery lifecycle, ensuring a consistent shipping cadence while managing technical debt and maintaining stability without compromising velocity.Team Leadership & Growth: Mentor engineers at all levels, nurturing their professional development, conducting performance evaluations, and cultivating a cohesive, psychologically safe team environment.Operational Excellence & Quality: Promote a culture of craftsmanship. Set high standards for code quality, testing, monitoring, and incident response to ensure that systems are robust, secure, and dependable.Product Strategy & Discovery: Collaborate with Product and Design teams to drive Continuous Discovery, swiftly validating ideas and ensuring that solutions align with measurable business objectives.Technical Direction: Steer the architectural vision and technical decision-making for the team, balancing immediate product requirements with long-term system health and scalability.

This position is based in Tel Aviv, Israel, within a hybrid work environment, requiring attendance in the office for 3+ days per week. Tulip is a pioneer in AI-native frontline operations, empowering businesses globally to enhance their workforce with interconnected, composable applications. This innovation results in superior work quality, increased efficiency, and comprehensive traceability throughout operational processes. Tulip's cloud-native, no-code platform, infused with AI capabilities, revolutionizes industrial settings through human-centered solutions that transcend traditional Manufacturing Execution Systems (MES). Originating as a spinoff from MIT, Tulip maintains its headquarters in Somerville, MA, with additional offices in Germany, Hungary, Singapore, and Israel. Tulip has earned accolades as a World Economic Forum Global Innovator, recognized as a 2024 Deloitte Technology Fast award winner, and listed among Energage’s Top Workplaces USA as well as Built In Boston’s “Best Places to Work” and “Best Midsize Places to Work.”

About Oasis SecurityAt Oasis Security, we are pioneering a new approach to enterprise access management in the AI era. Our innovative solutions address the unseen access risks that organizations face when deploying AI agents. Traditional tools fall short, and that's why we've developed Oasis to meet these evolving challenges. Supported by renowned investors such as Sequoia, Accel, and Craft Ventures, we proudly serve numerous Fortune 500 companies, including S&P Global, Mars, and Nationwide, and we are just getting started.Why Oasis, why nowThe access management landscape is rapidly transforming, and Oasis is at the forefront. The challenges we face are complex, the company is expanding quickly, and you have the opportunity to influence both our product and the team.Why join us?Shape the future: Play a pivotal role in securing NHI and Agentic AI, a domain that is revolutionizing enterprise operations.Lead with impact: Direct a team focused on integrations central to the Oasis platform, actively influencing how organizations safeguard NHI and AI-driven systems.Cutting-edge challenges: Confront unique challenges, from scaling cloud-native infrastructure to ensuring the security of billions of machine-to-machine interactions, tackling issues that few companies are currently addressing.Grow engineers & culture: In addition to building systems, you will nurture and develop our engineering team and foster a positive workplace culture.

About the Role Cato Networks is looking for an Engineering Team Lead based in the Tel Aviv District, Israel. This role guides a group of engineers focused on building solutions in the networking space. The Team Lead shapes technical direction, supports team growth, and helps deliver projects that match company priorities. What You Will Do Lead and mentor a team of engineers Set technical direction for projects Encourage collaboration and new ideas within the team Oversee project delivery to ensure alignment with company goals

At Chainalysis, our engineering team is passionate about tackling complex technical challenges and developing innovative products that foster trust in cryptocurrencies. With a global presence, including teams in Denmark, the UK, Canada, the USA, and Israel, we thrive in a dynamic environment where collaboration with exceptionally skilled colleagues is key to our success. Our industry evolves rapidly, and our mission is to create user-centric products backed by a flexible, scalable data platform that allows us to respond to these changes effectively and deliver value to our customers.We are currently seeking an Engineering Team Lead to join our Hexagate team.Hexagate specializes in developing cybersecurity products designed to safeguard on-chain and web3 assets. Positioned at the crossroads of cybersecurity and blockchain technology, we operate in a challenging environment where threats are constant, and swift action is essential. Our goal is to build a real-time on-chain detection and response platform that integrates machine learning-driven threat intelligence, custom detection capabilities, and a language model-powered rules engine to protect digital assets.Your Leadership Responsibilities:Cultivate team dynamics: Foster a strong team culture focused on outcomes, quality, and timely delivery.Own a key platform component: Take accountability for a critical system area (such as pipeline management, detection, response, or LLM workflows) and ensure its operational health.Strategic planning and execution: Translate strategy into actionable milestones, make informed trade-offs, and maintain delivery speed without compromising quality.Decisive action: Make informed decisions in uncertain situations, supported by your team.Effective communication: Align product, engineering, and stakeholders, set clear expectations, and maintain transparency regarding priorities.Raise performance standards: Engage in coaching, hiring, providing performance feedback, and creating an environment that encourages engineers to excel.Indicators of Success:Consistent team output with maintained high quality.Continuous improvement in reliability and performance metrics.Engineers develop professionally with clear ownership and healthy on-call practices.Your system area effectively scales alongside business needs and adapts promptly to emerging requirements.Ideal Candidate Profile:Proven experience in leading an engineering team or a strong technical lead ready to step into a leadership role.

Senior Engineer – AI Platform LeadAbout HypercoreHypercore is revolutionizing the $3 trillion global Private Credit market—one of the fastest-growing and most underserved asset classes in finance. With the backing of Insight Partners and Y Combinator, we are trusted by leading private credit funds, BDCs, and alternative asset managers to manage their most critical operations.The RoleWe are looking for a dynamic Senior Engineer to spearhead the development of Hypercore’s AI capabilities, shaping the future of intelligent financial infrastructure. This hands-on leadership role will involve architecting, building, and scaling AI-driven features across our enterprise-grade SaaS platform. You will work closely with product, design, and engineering teams to transform complex business challenges into efficient, smart solutions that empower our clients’ decision-making processes.What You’ll DoOversee the complete lifecycle of designing and implementing AI features at Hypercore, from initial concept to architecture, deployment, and ongoing monitoring.Collaborate with product and design teams to identify user needs and AI-driven opportunities.Develop and scale MCP servers and clients for robust enterprise-grade AI services.Construct and maintain core backend services utilizing Node.js, GraphQL, and MySQL.What We’re Looking ForA minimum of 7 years of hands-on software engineering experience.Extensive experience with Node.js, GraphQL, React, and MySQL in production environments.Proficiency in AWS deployment, monitoring, and automation practices.Experience with integrating third-party APIs and handling structured and unstructured data.Familiarity with large language model APIs is highly advantageous.Strong communication, documentation, and collaboration skills.Highly organized, results-oriented, and capable of thriving in a fast-paced startup environment.Bonus PointsHands-on experience with LLMs (e.g., OpenAI, Anthropic).Experience in workflow automation, analytics, or financial technology.Prior experience in a startup or high-growth software company.Exposure to data engineering and ETL processes.

Join Gong as the Engineering Team Lead for Application Infrastructure, where you'll drive the development of essential frameworks and services that support our innovative ecosystem. In this pivotal role, you will bridge application development and systems engineering, ensuring our platform remains resilient, high-performing, and developer-friendly as we scale. If you are a seasoned technical leader with a passion for Java and a knack for solving complex data and infrastructure challenges, this is your chance to lay the groundwork for our next growth phase.