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Senior Staff Machine Learning Infrastructure Engineer – Search & Discovery

Coupang

Full-time|$174K/yr - $299K/yr|On-site|Mountain View, USA

Join the Coupang team as a Senior Staff Machine Learning Infrastructure Engineer focusing on Search & Discovery. In this pivotal role, you will drive the development and optimization of our machine learning infrastructure, ensuring our systems can meet the demands of millions of users.We are looking for experts who are passionate about leveraging cutting-edg…

Apr 1, 2026

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Staff Data Engineer - Search and Discovery

Coupang

Full-time|$142K/yr - $309K/yr|On-site|Mountain View, USA

At Coupang, we strive to amaze our customers. We want to hear them say, "How did we ever live without Coupang?" Our mission is driven by a passion for simplifying shopping, dining, and everyday living. As a key player in the multi-billion-dollar e-commerce sector, we are rapidly transforming the industry from the ground up. Proudly recognized as one of the fastest-growing e-commerce platforms, we have built an exceptional reputation as a reliable leader in South Korean commerce.Coupang embodies the best of both worlds: a dynamic startup culture combined with the resources of a large, globally recognized public company. This unique environment empowers us to foster growth and introduce innovative services at an unprecedented pace. We cultivate an entrepreneurial spirit, offering opportunities to initiate and drive new projects. Our team is composed of ambitious individuals eager to make a tangible impact, and at Coupang, you will witness both personal and professional growth alongside your colleagues and the company as a whole.Join us in our commitment to revolutionizing the future of commerce. We continuously challenge the limits of what's possible, ensuring that we remain at the forefront of the industry.

Mar 25, 2026

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Director II, Product Management - Search & Discovery

Coupang

Full-time|$186K/yr - $319K/yr|On-site|Mountain View, USA

About Coupang Coupang delivers customer experiences that aim to surprise and delight. With a mission to simplify shopping, dining, and daily life, Coupang has become a leading force in South Korea’s e-commerce market. The company combines the drive of a startup with the scale and resources of a global, publicly traded business. Team members are encouraged to think entrepreneurially, launch new ideas, and learn alongside colleagues as the company grows. Every day brings new challenges and opportunities to shape the future of commerce in a connected, technology-driven world. About the Search & Discovery Product Team The Search and Discovery Product Team focuses on building a seamless and engaging shopping journey. The team works on everything from intent-driven search to enjoyable product discovery, aiming to make each visit unique, whether a customer needs groceries delivered tomorrow or is browsing for electronics or apparel. Search and recommendations power more than 70% of product discovery for millions of daily users, making this team’s work both high-impact and far-reaching. Role Overview: Director II, Product Management - Search & Discovery This leadership role oversees a major segment of Coupang’s search initiatives. The Director II will guide efforts to improve search relevance, personalize recommendations, and optimize the customer journey from query to discovery. The position involves working with advanced AI and machine learning technologies to push the boundaries of what search can do, with the goal of increasing user engagement and satisfaction. Location Mountain View, USA

Apr 17, 2026

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Director of Product Management - Search & Discovery

Coupang

Full-time|$232K/yr - $290K/yr|On-site|Mountain View, USA

At Coupang, we are driven by a simple goal: to amaze our customers. We feel fulfilled when we hear them say, “How did I ever live without Coupang?” Our inception was fueled by a passion to simplify shopping, dining, and everyday living, revolutionizing the multi-billion-dollar e-commerce landscape from the ground up. As one of the fastest-growing e-commerce platforms, we’ve built an unmatched reputation as a powerful and dependable entity in South Korean commerce. We take pride in blending the dynamic spirit of a startup with the robust support of a large global public company. This unique combination propels our growth and accelerates the launch of new services at an unprecedented pace. Here, we are all entrepreneurs, continuously exploring opportunities to ignite new initiatives and innovations. Our team is characterized by boldness and ambition, ready to roll up our sleeves and make a tangible impact. At Coupang, you will witness personal growth alongside your colleagues, your team, and the company as a whole. Our mission to shape the future of commerce is not just a vision; it’s a reality. We are constantly pushing the limits of what’s achievable to tackle challenges and redefine conventional trade-offs. Join us at Coupang to craft an extraordinary shopping experience in an ever-connected, high-tech world. Search and Discovery Product The Search and Discovery Product Team is dedicated to crafting an exceptional search and discovery shopping experience, enhancing everything from “intent-based” shopping to serendipitous product discovery. We are committed to optimizing the entire customer journey in search, focusing on understanding queries and enhancing search relevance, as well as tailoring personalized and contextually relevant search and recommendation experiences. We believe that the experience of ordering fresh groceries for next-day delivery should feel distinct from shopping for a new laptop or the latest pair of jeans. With search and recommendations driving over 70% of product discovery for our millions of daily users, the scale and impact of our efforts are significant!Salary range: $232,000 - $290,000 per year.

Apr 7, 2026

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Staff Software Engineer, Search Quality

Databricks

Full-time|$165.3K/yr - $219.7K/yr|On-site|Mountain View, California

At Databricks, we are dedicated to empowering data teams to tackle some of the world's most challenging issues — from realizing the next mode of transportation to fast-tracking medical advancements. Our mission involves constructing and managing the premier data and AI infrastructure platform, allowing our clients to leverage profound data insights to enhance their operations. Search technology is integral to this endeavor. Through a combination of keyword retrieval, semantic similarity via vector embeddings, and hybrid methods, our Search technologies enable users to find, discover, and comprehend information within vast, intricate datasets. This technology fuels a wide array of applications, from Retrieval Augmented Generation (RAG) and AI assistants to recommendation engines, enterprise knowledge management, in-product search, and data exploration. As a Staff Software Engineer specializing in Search Quality, you will steer the technical strategy for ranking, relevance, evaluation, and quality initiatives within Databricks' advanced Search product. You will architect and develop systems, models, and evaluation frameworks that guarantee our Search stack yields precise, high-quality outcomes across a variety of multimodal datasets and query patterns. Collaborating with research, product, and infrastructure teams, you will push the boundaries of retrieval quality for enterprise AI applications by integrating traditional information retrieval techniques with representation learning and neural ranking. In addition to your technical contributions, you will help shape our long-term vision for relevance and quality, mentor senior engineers, and lead strategic initiatives that enhance the accuracy, dependability, and overall impact of Search across Databricks.

Jan 30, 2026

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Staff Software Engineer, Search Infrastructure

Moveworks

Full-time|$163K/yr - $286K/yr|On-site|Mountain View, CA

Your Role at MoveworksDevelop and enhance core infrastructure services and microservices that support our machine learning, frontend, and platform teams.Implement critical functionalities such as distributed configuration management, rate limiting, feature flagging, A/B testing, and traffic capture and replay.Optimize the performance, scalability, and observability of Moveworks cloud infrastructure.Consistently deliver time-sensitive projects in collaboration with other engineering teams.Take full ownership of features from inception to deployment while actively influencing the infrastructure roadmap.Engage in a highly collaborative, in-person role, working across various teams including Core and ML engineering.

Jan 27, 2026

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Senior Staff ML Infrastructure Engineer – Search & Discovery

Coupang, Inc.

Full-time|$159K/yr - $351K/yr|On-site|Mountain View, USA

At Coupang, we are dedicated to delivering an exceptional experience for our customers. Our goal is to elicit the reaction, "How did we ever live without Coupang?" With a relentless passion for simplifying shopping, dining, and living, we are transforming the multi-billion-dollar e-commerce landscape from the ground up. We have rapidly emerged as one of the leading e-commerce companies in South Korea, known for our reliability and innovation. We embody the best of both worlds — a startup-like atmosphere paired with the resources of a global public enterprise. This unique combination propels our growth and accelerates the launch of new services, maintaining the swift pace we established at our inception. Our team is filled with entrepreneurial spirits eager to initiate new projects and innovations. At Coupang, you will witness personal, team, and company growth each day. Our mission to revolutionize commerce is genuine. We continuously push the limits of what is achievable, tackling challenges and dismantling traditional trade-offs. Join Coupang and contribute to creating an extraordinary experience in today’s fast-paced, technologically advanced, and interconnected world. Role Overview As a Senior Staff Software Engineer in the ML Infrastructure team for Search & Discovery, you will be tasked with designing and implementing robust and efficient software solutions that manage vast amounts of structured and unstructured data necessary for training complex machine learning models and serving them effectively online. The Search & Discovery team is pivotal in optimizing our customers' navigation experience and driving sustained growth. Each week, over 20 million customers utilize search on our app or coupang.com, with more than a third making purchases. A significant portion of Coupang's sales is directly linked to search and recommendation features, with many business strategies and growth initiatives being influenced by ranking and recommendation algorithms. This position offers a chance to develop scalable offline and online machine learning platforms to support ranking, recommendation, and business decision-making. You will work with billions of user interaction records and petabytes of raw log files, converting them into actionable data formats for engineers and scientists. Additionally, you will be responsible for delivering complex machine learning models in real-time, facilitating millions of Coupang customers in discovering and searching for products. If you are passionate about big data engineering, scalable serving systems, and making a tangible business impact, this role is an excellent fit for you.

Feb 19, 2026

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Senior Staff II, Machine Learning Engineer (Tech Lead)

Coupang

Full-time|$187K/yr - $322K/yr|On-site|Mountain View, USA

Coupang is hiring a Senior Staff II, Machine Learning Engineer (Tech Lead) for the Search team in Mountain View, USA. This position centers on building and enhancing the core technology behind search for one of South Korea’s largest e-commerce platforms. Role overview This role focuses on designing, developing, and refining machine learning systems that directly impact how millions of people shop online. As a technical lead, expect to work on projects that shape the search experience and improve the accuracy and speed of results for Coupang’s customers. Team and culture Coupang encourages teams to launch new initiatives and solve complex problems. Employees regularly see the results of their work, both in personal growth and in the company’s progress. The culture blends the drive of a startup with the stability and resources of a global public company. What makes this role unique Work on technology that influences how millions shop online. Join a team that prioritizes innovation and ongoing improvement. Contribute to a company known for transforming e-commerce in South Korea. Experience the energy of a startup with the support of a global organization. This is a chance to help define the future of commerce as part of Coupang’s technology-driven Search team.

Apr 23, 2026

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Staff AI Engineer - Search & Discovery

Coupang

Full-time|$184K/yr - $376K/yr|On-site|Mountain View, USA

Coupang stands out as a leading e-commerce company in South Korea, recognized for its commitment to customer satisfaction. The organization blends the agility of a startup with the scale and resources of a global public company. Teams here move quickly, launching new services and products while supporting growth at both the individual and company level. Role overview The Staff AI Engineer - Search & Discovery leads the design and development of applications centered on Generative AI and Large Language Models (LLMs). This position shapes how Coupang builds AI-native systems that enhance both customer and operational experiences. The work involves managing the complete lifecycle of large-scale, unconventional applications and adapting them to meet evolving user needs. What you will do Lead the design and development of AI-driven applications, focusing on Generative AI and LLMs Drive projects that build AI-native systems for search and discovery Oversee the lifecycle of high-scale, non-traditional applications Collaborate with teams to deliver solutions that address changing user needs Requirements Experience leading projects based on Generative AI and Large Language Models Background in building and scaling AI-native systems Ability to manage complex application lifecycles from design through deployment Interest in advancing commerce through technology This position is based in Mountain View, USA.

Apr 24, 2026

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Staff AI Engineer [L6-2] - Search & Discovery

Coupang

Full-time|On-site|Mountain View, USA

Join Coupang as a Staff AI Engineer specializing in Search & Discovery. In this pivotal role, you will leverage cutting-edge artificial intelligence technologies to enhance our search algorithms and improve user experience. You will collaborate with cross-functional teams to design and implement innovative solutions that drive our AI initiatives forward.

Apr 30, 2026

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Staff Data Engineer at Coupang | Mountain View, USA

Coupang

Full-time|$142K/yr - $309K/yr|On-site|Mountain View, USA

Please complete the attached Internal Transfer Request Form and submit.Ensure that you apply using your Coupang email address.This role is open to both Mountain View and Seattle locations.At Coupang, we are dedicated to astonishing our customers. When we hear our customers exclaim, “How did we ever live without Coupang?” we know we are on the right track. Fueled by a commitment to simplify shopping, dining, and living, we are revolutionizing the multi-billion-dollar e-commerce sector from the ground up. As one of the fastest-growing e-commerce companies, we are seeking passionate individuals to join our innovative team.

Mar 30, 2026

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Senior Staff Software Engineer - Data Platform

Databricks

Full-time|$228.6K/yr - $314.3K/yr|On-site|Mountain View, California; San Francisco, California

At Databricks, we are committed to empowering data teams to tackle some of the world's most significant challenges—ranging from revolutionizing transportation to accelerating medical breakthroughs. Our mission is realized through the development and management of the foremost data and AI infrastructure platform, enabling our clients to derive deep insights from their data to enhance business outcomes. Founded by engineers and driven by a passion for customer success, we eagerly embrace each opportunity to confront technical hurdles, from innovating next-generation UI/UX for data interaction to scaling our services across millions of virtual machines. Our journey has just begun.As a Senior Staff Software Engineer, you will be a pivotal member of the executive leadership team within the Data Platform organization. You will utilize cutting-edge AI developer tools and methodologies to construct the Data Intelligence Platform, which will facilitate automated decision-making across Databricks. This role involves collaboration with distinguished Tech Leads, product teams, data scientists, and others. You will shape the future of various tools, including logging, orchestration, data transformation, metric stores, governance platforms, and data consumption layers.

Feb 1, 2026

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Senior Software Engineer, Search & Recommendations

Otter.ai

Full-time|On-site|Mountain View, CA

Join Otter.ai as a Senior Software Engineer specializing in Search & Recommendations, where you will play a pivotal role in enhancing our platform's ability to deliver tailored content and improve user experiences. You will collaborate with a talented team of engineers and product managers to develop innovative solutions that leverage machine learning and natural language processing.

Apr 10, 2026

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Senior Staff Software Engineer - Perception Data

Waymo LLC

Full-time|$281K/yr - $356K/yr|Hybrid|Mountain View, California, USA

Waymo is a leader in autonomous driving technology dedicated to becoming the most trusted driver in the world. Originating from the Google Self-Driving Car Project in 2009, our focus has been on creating the Waymo Driver—an exceptional driver that enhances mobility access while significantly reducing traffic-related fatalities. The Waymo Driver not only supports our fully autonomous ride-hailing service but can also be adapted to various vehicle platforms and applications. With over ten million rider-only trips completed, our technology has safely navigated more than 100 million miles on public roads and processed tens of billions of miles in simulation across over 15 U.S. states.The Perception Data team at Waymo plays a critical role in shaping the strategy and technical direction for all data utilized in training and evaluating the Waymo Driver's perception capabilities. We manage the complete data lifecycle, developing automated systems and 'infrastructure-as-product' solutions that convert vast amounts of driving sensor data into high-quality training datasets. Our team tackles complex challenges, including active learning loops and open-vocabulary modeling, bridging raw data with advanced machine learning techniques.By integrating data ingestion, curation, and evaluation into a unified ecosystem, we facilitate the swift development of foundational models and next-generation perception systems. We work closely with Machine Learning, Infrastructure, and Evaluation teams to address intricate data challenges, ensuring our models can effectively interpret the long-tail of rare events. Ultimately, our contributions lay the groundwork for the Waymo Driver to operate safely in diverse environments.

Feb 23, 2026

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Senior Staff II, AI Engineer - Search (L7-2)

Coupang

Full-time|$171K/yr - $351K/yr|On-site|Mountain View, USA

Coupang is expanding its influence in global e-commerce, with roots in South Korea and a growing presence in the Taiwanese market and beyond. The company combines the energy of a startup with the resources of a public company, encouraging initiative and innovation across all teams. The Senior Staff II, AI Engineer - Search (L7-2) position is based in Mountain View, USA. This role centers on designing and architecting applications that use Generative AI and Large Language Models (LLMs) as foundational technology. The aim is to build AI-native systems from the ground up, delivering new customer experiences and improving operational efficiency. Role overview The Senior Staff II, AI Engineer will lead projects that involve the full lifecycle of large-scale, non-deterministic AI systems. Responsibilities include rapid prototyping, architectural design, and deploying solutions into production environments. This position requires a full-stack AI approach, applying advanced LLMs to address complex technical challenges and set new standards for product development. Key responsibilities Own the design and architecture of AI-native applications, using Generative AI and LLMs as core components. Drive projects from initial concept through to production deployment, ensuring solutions operate at scale. Apply a full-stack AI perspective to solve challenging problems and create new product models. Demonstrate a track record of moving pioneering AI ideas from inception to real-world impact. Impact This role is central to Coupang’s innovation strategy, shaping the future of product intelligence and customer experience. The position offers the chance to influence the direction of AI-driven commerce and contribute to the company’s ongoing growth and transformation.

Apr 29, 2026

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Manager of Search Strategy

dstaff

Full-time|On-site|Mountain View

We are seeking a passionate and skilled Manager of Search Strategy to lead our search initiatives at dstaff. In this mid-senior level role, you will develop, implement, and optimize innovative search strategies aimed at enhancing our visibility and user engagement. Your expertise in search algorithms and analytical skills will be pivotal in driving our search performance to new heights.

Jan 13, 2015

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Senior Director of Search AI - Production Engineering

Coupang

Full-time|On-site|Mountain View, USA

Join Coupang as the Senior Director of Search AI within our Production Engineering team. In this pivotal role, you will lead the development and implementation of cutting-edge AI technologies that enhance our search capabilities. You will collaborate with cross-functional teams to drive innovation and optimize user experience across our platform.

Apr 9, 2026

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Machine Learning Engineering Manager, GAI Search Relevance

Moveworks

Full-time|On-site|Mountain View

Join Moveworks as a Machine Learning Engineering Manager, leading our team dedicated to enhancing search relevance through cutting-edge AI technologies. In this pivotal role, you will oversee the development and deployment of machine learning models that drive our innovative search solutions. Collaborating closely with cross-functional teams, you will ensure the implementation of best practices in machine learning and contribute to the strategic direction of our AI initiatives.

Feb 11, 2026

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Senior Engineering Manager, Search Infrastructure

Moveworks

Full-time|On-site|Mountain View, CA

About Moveworks At Moveworks, our mission is to transform language into the universal user interface. We empower enterprises with a conversational interface that seamlessly integrates with all systems—from Microsoft to Workday to Salesforce. Utilizing advanced GPT-class machine learning models, our platform adapts to the unique language of each organization, effectively addressing thousands of use cases. Esteemed brands such as Databricks, Broadcom, DocuSign, and Palo Alto Networks rely on Moveworks’ proprietary enterprise data, ready-to-use solutions, and user-friendly developer tools to implement conversational automation across their businesses. Founded in 2016 and backed by leading investors including Kleiner Perkins and Lightspeed, Moveworks has raised $315 million in funding and reached a valuation of $2.1 billion. We are proud to be recognized as a part of the Forbes AI 50 list for five consecutive years and to have received accolades such as the 2023 Edison Awards for AI Optimized Productivity and the Best Bot Solution at the 2022 AI Breakthrough Awards. With over 500 employees across six global offices, we invite you to be a part of one of the most innovative teams in the industry! Your Role As the Senior Engineering Manager for our core infrastructure team, you will spearhead the development of the Moveworks AI infrastructure. As our company grows rapidly, your leadership will be crucial in designing and operating highly reliable and resilient foundational services and frameworks that enable seamless scalability and swift feature development for our engineering teams. You will collaborate closely with teams in machine learning, search, product management, data, and full-stack engineering to identify, define, and implement elegant solutions to complex product and engineering challenges. This is an exceptional opportunity to play a pivotal role at the fastest-growing AI startup in its sector. Lead the evolution of Moveworks infrastructure architecture and foundational services with a focus on high reliability, scalability, performance, and security. Collaborate with machine learning, search, product, data, and frontend teams to understand their infrastructure needs, influence the infrastructure roadmap, and oversee the execution of various projects. Architect and enhance the core infrastructure and foundational services to support our rapid growth and customer needs.

Jan 27, 2026

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Staff Software Engineer - Database Engine Internals

Databricks

Internship|$192K/yr - $260K/yr|On-site|Mountain View, California

P-188 At Databricks, we are on a mission to fundamentally transform the data lifecycle, simplifying processes from data ingestion to ETL, Business Intelligence (BI), and extending to Machine Learning (ML) and Artificial Intelligence (AI) through a unified platform. We envision a future where traditional data warehouse architectures are replaced by innovative solutions like the Lakehouse architecture (CIDR 2021 paper), which integrate data warehousing and advanced analytics, effectively addressing critical challenges such as data staleness, reliability, cost of ownership, data lock-in, and limited use-case support. To turn this vision into reality, we are developing a next-generation decoupled query engine and structured storage system designed to surpass specialized data warehouses in relational query performance while maintaining the versatility of general-purpose systems like Apache Spark™. This system is intended to support a wide array of workloads, from ETL processes to data science applications. As a member of our team, you will engage in one or more of the following areas, contributing to the design and implementation of cutting-edge systems that redefine industry standards: Query compilation and optimization Distributed query execution and scheduling Vectorized execution engine Data security measures Resource management strategies Transaction coordination processes Efficient storage structures (encodings, indexes) Automatic physical data optimization techniques

Jan 30, 2026

Senior Staff II, AI Engineer - Search (L7-2)

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