Senior Software Engineer - Machine Learning & Search

Teamwork Makes the Stream Work. Join Roku as We Transform TV ViewingRoku is the leading TV streaming platform across the U.S., Canada, and Mexico, with a vision to empower every television globally. We pioneered streaming to TVs and aim to be the essential platform connecting the entire television ecosystem. Our mission is to connect consumers with their favorite content, assist publishers in building and monetizing vast audiences, and offer advertisers unique engagement capabilities.Your journey with Roku will start with you making significant contributions from day one. As a rapidly growing public company, everyone here plays an essential role. You will have the chance to delight millions of TV streamers globally while gaining invaluable experience across various disciplines. About the Role Our Search Platform is central to the Roku experience, enabling voice, text, and visual discovery for over 100M+ active accounts across all Roku-powered devices worldwide. We manage the entire stack—from ingesting and enriching a multi-million-title knowledge graph to providing low-latency retrieval services and extensive machine-learning systems that personalize user experiences in real-time. This role will not only help users discover their favorite shows but will also drive critical product features (home-screen rows, browse hubs, Roku Voice, mobile app search) and support partner monetization. If you thrive on turning cutting-edge research into products used billions of times daily, this is the place for you.With Roku's footprint having quadrupled in the last five years and user expectations soaring, we are reimagining our relevance stack for the next decade. We are integrating advanced technologies such as LLM-based query understanding, vector-DB retrieval, on-device models, and multimodal search (voice, text, image).

The Applied AI team at Databricks is at the cutting edge of AI and ML-driven products. Our customers constantly create a variety of assets (such as tables, notebooks, dashboards, and ML models) on our platform, making the search for these assets a vital aspect of their experience.As our Search product continues to grow, we are looking for multiple Machine Learning Engineers at various experience levels to enhance our Search Quality. In 2026, our primary focus will be on improving search ranking, query comprehension, developing robust evaluations, and expanding asset coverage to facilitate seamless searching at scale.

Teamwork makes the stream work. Roku is transforming the way the world experiences television.As the leading TV streaming platform in the U.S., Canada, and Mexico, Roku aims to empower every television globally. We have pioneered streaming to the TV and strive to be the platform that connects the entire TV ecosystem. Our mission is to connect consumers with their favorite content, assist content publishers in growing and monetizing their audiences, and provide advertisers with unique ways to engage consumers.From your first day with Roku, your contributions will be valued. As a rapidly growing public company, we encourage active participation from all team members. This role offers you the chance to make an impact on millions of TV streamers worldwide while gaining valuable experience across various disciplines. About the Team The Advertising Performance team is dedicated to optimizing the experience for Advertisers, Publishers, and Roku. Our systems and solutions employ advanced disciplines and technologies to achieve real-time multi-objective optimization within distributed systems, ensuring large-scale performance with minimal latency. Leveraging Machine Learning, Reinforcement Learning, AI, Control, and Optimization Systems, and Auction Dynamics, we tackle a wide array of complex challenges. Central to our operations is the Machine Learning, Experimentation, and Inference Platform, which we continuously enhance to adapt to the evolving landscape. About the Role In this position, you will play a pivotal role in developing cutting-edge machine learning solutions...

The Applied AI team at Databricks is at the leading edge of developing innovative AI and machine learning-powered products. Our customers continuously create vast numbers of assets—such as tables, notebooks, dashboards, data rooms, pipelines, SQL queries, and ML models—on our platform, some totaling hundreds of millions of assets. Navigating and locating these assets is vital for our users to efficiently complete their tasks.As our Search product continues to grow and advance, we are looking for multiple ML Engineers at various seniority levels to enhance our Search Quality. In 2026, our focus will be on improving search ranking, enhancing query understanding, building robust evaluations, and expanding asset coverage to facilitate seamless search capabilities at scale.

P-1408 Join the Applied AI team at Databricks to be a key player in pioneering AI/ML-driven products. Our customers are consistently generating a wealth of assets—such as tables, notebooks, dashboards, datarooms, pipelines, SQL queries, and ML models—on our platform, with some managing hundreds of millions of these assets. Efficiently locating these assets is a critical journey for our users, enabling them to complete their tasks effectively. As our Search product evolves, we are on the lookout for a Staff Engineer to spearhead improvements in our Search Quality. In 2025, our primary goals include enhancing search ranking, refining query understanding, developing robust evaluations, and broadening asset coverage to facilitate seamless search capabilities at scale.

Teamwork makes the stream work. Roku is revolutionizing the way the world experiences television.As the leading TV streaming platform across the U.S., Canada, and Mexico, Roku's ambition is to power every television globally. Pioneering the streaming movement, our mission is to establish ourselves as the premier TV streaming platform, connecting consumers with their favorite content, assisting publishers in building and monetizing extensive audiences, and equipping advertisers with unique tools to engage users effectively.From your first day at Roku, you’ll make a significant impact. As a rapidly expanding public company, every member of our team plays a vital role. You will have the chance to delight millions of TV streamers worldwide while gaining valuable experience across various disciplines. About the TeamRoku continues to lead the TV streaming market with over 70 million active accounts in North America. Our ongoing success is deeply rooted in our commitment to advancing our machine learning and recommendation engine. We empower users to access a vast array of content, from movies and episodes to news, sports, music, and channels from around the globe. About the RoleWe are on a quest to develop state-of-the-art advertising technology that empowers businesses to execute sustainable and highly profitable campaigns. The Ad Performance team focuses on server technologies, cloud services, and data analytics aimed at enhancing the advertising experience. We seek experienced engineers with a strong background in machine learning to assist us in this endeavor. Responsibilities include improving ad relevance, demographic inference, yield optimization, and more. Candidates must apply their expertise in experimental methodologies, statistics, optimization, probability theory, and machine learning utilizing both general-purpose software and statistical languages.

Join our innovative team at Tekion as a Senior Software Engineer specializing in Machine Learning Platforms. In this role, you will develop cutting-edge algorithms and applications that enhance our machine learning capabilities, driving the future of technology in the automotive industry. You will collaborate with cross-functional teams to create scalable and efficient solutions that meet business needs. Your expertise will contribute to building high-performance systems that optimize user experiences.

Join Tekion, a forward-thinking technology company revolutionizing the automotive retail experience through our innovative machine learning platform. As a Senior Software Engineer, you will be integral in developing cutting-edge solutions that leverage machine learning algorithms to enhance our platform’s capabilities and improve user experience.

Role overview LinkedIn seeks a Senior Staff Software Engineer specializing in Machine Learning to join the Bengaluru team. The position focuses on designing and developing advanced algorithms and systems that enhance the user experience throughout the LinkedIn platform. What you will do Develop and deploy complex machine learning models and solutions to address platform needs. Collaborate with cross-functional teams to identify and implement new applications for machine learning technology. Contribute to LinkedIn’s mission of connecting professionals and supporting their productivity and success.

Join Tekion as a Senior Staff Software Engineer specializing in our cutting-edge Machine Learning Platform. In this pivotal role, you will leverage your expertise in software engineering and machine learning to drive innovative solutions that enhance our platform's capabilities and user experience. Collaborate with a talented team to architect and implement scalable systems, contribute to the development of machine learning models, and ensure the highest standards of quality and performance.

Collaborate to Innovate in Streaming. Join Roku's Vision to Revolutionize TelevisionAs the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is on a mission to power every television globally. We have transformed how people enjoy their favorite shows and movies by connecting consumers to the content they love, assisting publishers in reaching vast audiences, and offering advertisers unique tools to engage effectively.At Roku, your contributions will be recognized from day one. We are a rapidly expanding public company where every team member plays a pivotal role. This is your chance to impact millions of TV streamers worldwide while gaining valuable experience across diverse fields. About Our Team The Ad Data Activation organization is at the forefront of building a reliable, privacy-conscious, and scalable data foundation vital to Roku’s advertising growth. We develop identity systems, device graph pipelines, audience platforms, and insights tools that empower precise targeting, measurement, and reporting across Roku Ads. We are seeking a Senior Machine Learning Engineer to enhance our systems' intelligence. You will operate at the intersection of large-scale data platforms, applied machine learning, and generative AI, developing functionalities that make Roku's advertising data actionable for both internal teams and advertisers. This role involves creating core generative AI platform features for Roku Advertising, alongside applying traditional ML techniques.

Join our dynamic team at Sumo Logic as a Senior Machine Learning Engineer, where you will play a pivotal role in designing and implementing cutting-edge machine learning models to drive our product innovations. Collaborate with talented professionals in a fast-paced environment and leverage your expertise to solve complex problems and enhance data-driven decision-making across the organization.

Join Us at WisdomAIAt WisdomAI, we are dedicated to democratizing access to data and insights for everyone. We believe that data has the potential to transform decision-making, and with the advent of Generative AI, we aim to revolutionize how employees uncover insights within their organizations. As we grow, now is an exciting time to join our team. We proudly serve multiple Fortune 100 companies and as one of the early members, you will have the opportunity to significantly influence our product and engineering roadmap.Your RoleWe are in search of talented ML/NLP engineers to become part of our dynamic team. Our focus lies in tackling fundamental challenges in areas such as LLM-based code generation, document understanding, context synthesis, and LLM-based agents. Our team comprises professionals with backgrounds from industry leaders like Glean, Apple, Rubrik, Google, and Meta.Key ResponsibilitiesDevelop workflows and agentic pipelines for complex analytical tasks.Create and implement evaluation frameworks for our query processing engine.Collaborate closely with customers and founders to shape the product and engineering roadmap.Contribute to cultivating a robust engineering culture and enhancing our tech stack.

Collaboration Fuels Innovation. Join Roku in Transforming TelevisionAs the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is dedicated to revolutionizing how viewers engage with content. Our vision is to empower every television globally by creating seamless connections between consumers, content providers, and advertisers. We provide unparalleled opportunities for both viewers and creators, fostering a thriving TV ecosystem.At Roku, your contributions matter from day one. As a part of our dynamic and rapidly growing public company, you'll have the chance to delight millions of users worldwide while gaining invaluable experience across diverse areas. About Our TeamOur Ad Engineering Team is responsible for developing a highly scalable and reliable real-time advertising platform to support Roku's expanding advertising business. We are searching for a Senior Machine Learning Engineer to play a key role in this exciting mission. If you possess extensive experience in building intricate systems with Machine Learning and Data Science, thrive in a fast-paced environment, and enjoy mentoring others, this position is tailor-made for you!Based in our Bengaluru office, the Ad Serving team ensures that advertisements on the Roku platform are relevant and high-quality, enhancing outcomes for advertisers and providing an excellent experience for viewers. With millions of ad requests daily, we are committed to leveraging cutting-edge ML-driven systems to optimize ad delivery across various regions and languages. Your RoleIn this role, you will design and develop Machine Learning models that enhance our understanding of advertisement content. These models will analyze visual, audio, and text elements of ads in multiple languages. You will be involved in creating computer vision and machine learning methodologies, including deep learning models, generative AI solutions, large language models (LLMs), and vision-language models (VLMs). Collaborating with software engineers and other ML engineers, you will identify, build, train, and deploy these models to improve brand safety and maximize revenue opportunities.

IntroductionAbout UsFounded in 2013, Mercari is a leading C2C marketplace based in Japan, driven by our mission to "Create value in a global marketplace where anyone can buy & sell." Since our inception, we have evolved into a prominent global player, achieving remarkable milestones such as being the first Japanese tech unicorn before our IPO in 2018. Our journey continues as we strive to expand our presence and services worldwide.Over the years, the Mercari Group has continually invested in our people and technology, transitioning from Japan's top C2C marketplace to new markets like the U.S. We have also introduced innovative services like Merpay, a mobile payment platform aimed at fostering a society where everyone can achieve their dreams through a comprehensive ecosystem, encompassing payment services and credit facilitation. Today, the Mercari Group encompasses various subsidiary businesses, including logistics, B2C platforms, blockchain, and sports team management.As we aim to enhance our services for a global audience, we recognize the need for top-tier talent. This is the motivation behind launching our India Center of Excellence. Together, we can rise to international challenges and pave the way for Mercari to become a successful global tech enterprise.Our CultureAt Mercari, our organizational culture and each employee's values guide our mission. Our core principles are encapsulated in four key values: Go Bold, All for One, Be a Pro, and Move Fast. Our foundational pillars include Sustainability, Diversity & Inclusion, Trust & Openness, and Well-being for Performance. Regardless of our growth, maintaining our culture is vital to our mission. We invite you to explore the Mercari Culture Document, which outlines the behaviors and mindset that define Mercari and its employees. We are committed to fostering an environment where members from diverse backgrounds are embraced and acknowledged, allowing them to flourish while upholding Mercari's culture.Work ResponsibilitiesAs a Machine Learning Engineer specializing in the Recommendation domain, you will be responsible for developing and enhancing the functions and services of the Mercari marketplace app by building and maintaining advanced machine learning systems such as recommender systems, utilizing the necessary infrastructure and collaborative efforts within the company.

Join our dynamic team as a Senior Software Engineer - Search at Weblee Technologies in Bengaluru. In this pivotal role, you will be responsible for designing and implementing scalable search solutions that enhance user experience and drive business success. Your expertise in software development will contribute to the continuous improvement of our search algorithms and infrastructure.

Join Weblee Technologies as a Senior Software Engineer - Search and play a crucial role in developing innovative search solutions. You will work with cutting-edge technologies and collaborate with cross-functional teams to enhance search capabilities across our platforms.

Join Tekion as a Software Engineer II focused on our cutting-edge Machine Learning Platform. In this role, you will collaborate with a talented team of engineers and data scientists to design and implement innovative machine learning solutions that drive our products forward. Your expertise in software development and machine learning will contribute to creating scalable and efficient systems.

Join Our TeamAt Mercari, we are on a mission to revolutionize the global marketplace by enabling everyone to buy and sell with ease. As a leading C2C marketplace company founded in Japan in 2013, we have evolved into a noteworthy player in the tech industry, becoming Japan's first tech unicorn prior to our IPO in 2018. We are dedicated to our ongoing transformation and global expansion.Our growth has been fueled by continuous investment in our people and technology, allowing us to branch out from Japan into the U.S. market. We have also successfully introduced innovative services such as Merpay, a mobile payment platform designed to empower users to achieve their dreams through a comprehensive ecosystem that transcends traditional payment services.As we strive to broaden our global reach, we recognize the importance of attracting top-tier talent, which is why we have established the India Center of Excellence. Your contributions will be pivotal in shaping our future as a successful global technology enterprise.Our ValuesAt Mercari, our culture is built on shared values that guide our actions and decisions. We embrace the principles of Go Bold, All for One, Be a Pro, and Move Fast. Our foundational pillars—Sustainability, Diversity & Inclusion, Trust & Openness, and Well-being for Performance—are integral to our mission. We encourage you to explore our Mercari Culture Doc to understand the mindset shared by our team.Key ResponsibilitiesDesign, develop, and maintain advanced machine learning systems, particularly in the Recommendation domain, to enhance the functionality of the Mercari marketplace application.Collaborate with cross-functional teams to ensure the integration of machine learning capabilities within our platforms.Continuously optimize and refine algorithms to improve user experience and engagement.

Join Endava as a Senior Machine Learning Engineer and play a pivotal role in developing innovative machine learning solutions that drive our clients' success. In this position, you will leverage your expertise in algorithms, data modeling, and statistical analysis to create predictive models and enhance decision-making processes.You will collaborate with cross-functional teams to implement state-of-the-art machine learning techniques and contribute to the design and architecture of scalable data systems. If you are passionate about machine learning and eager to deliver impactful results, we want to hear from you!