Machine Learning Engineer - Training Optimization

Join Coupang as a Senior Staff Machine Learning Engineer specializing in LLM. We are dedicated to providing our customers with extraordinary experiences, and your expertise in cutting-edge AI technologies will be pivotal in achieving this mission.Coupang is at the forefront of revolutionizing the commerce industry in South Korea, driven by a commitment to making shopping, eating, and living simpler and more enjoyable for everyone. Our unique blend of startup agility and the resources of a global public company empowers us to continuously innovate and grow.Our AI and Knowledge Engineering team is on a mission to enhance customer experiences through advanced technical solutions. We seek talented engineers eager to work with the latest technologies spanning Knowledge Graphs, agents, LLMs, AI, ML, NLP, and multi-modal models. Join us to build a world-class team and advance AI technologies that will shape the future of commerce.

Join our dynamic team at Aarki Inc. as a Machine Learning Engineer. In this role, you will be at the forefront of developing innovative machine learning models and solutions that drive our business forward. You will work closely with data scientists and software engineers to design and implement cutting-edge algorithms that enhance our data processing and analytical capabilities.

Join Canva as a Senior Machine Learning Engineer specializing in AI Effects and Editing. In this pivotal role, you will leverage your extensive experience in machine learning to enhance our platform's capabilities, developing innovative solutions that redefine visual communication. You will work closely with cross-functional teams to understand user needs and translate them into actionable projects that impact millions of users globally.

Join Canva as a Machine Learning Engineer and be a part of our innovative team that is transforming the way users create content. In this role, you will leverage advanced machine learning techniques to develop solutions that enhance user experiences and streamline processes. If you're passionate about technology and eager to make an impact in a fast-paced, collaborative environment, we want to hear from you!

Join our innovative team at Trexquant as an AI Engineer, where you will be integral in the development, optimization, and deployment of state-of-the-art AI workflows and tools. This role presents a unique chance to work with the latest technologies that significantly influence our investment strategies.Design and implement advanced systems utilizing large language models (LLMs), vector databases, and various AI tools for quantitative research applications such as literature review, data search, and code generation.Deploy, monitor, and enhance AI systems to ensure scalability and reliability.Collaborate with portfolio quantitative researchers to develop AI tools tailored to specific market challenges and opportunities.Stay updated on the latest advancements in AI, contributing to internal thought leadership and pushing the boundaries of what's achievable.Deploy AI models in production settings, ensuring seamless integration with existing infrastructure and real-time market data streams.Identify potential AI-related risks and implement necessary safeguards to address model bias and robustness.

About AppLovinAppLovin develops cutting-edge technologies that empower businesses of all sizes to connect with their ideal customers. Our comprehensive software and AI solutions enable companies to reach, monetize, and expand their global audiences. To learn more about our innovative offerings, visit: www.applovin.com.Our mission is fueled by a diverse global team whose life experiences, backgrounds, and perspectives mirror those of our developers and customers worldwide. At AppLovin, we are dedicated to fostering a collaborative culture and seek candidates who excel individually while uplifting others.Recognized by Fortune as one of the Best Workplaces in the Bay Area and a Certified Great Place to Work for four consecutive years (2021-2024), you can explore our accolades HERE.A Day In The LifeWe are on the lookout for a talented and passionate Machine Learning Engineer to join our Research Science team. In this role, you will focus on optimizing machine learning models and enhancing performance within advertising technology, aiming to improve the effectiveness and efficiency of ad placements.The ideal candidate will not only possess an excellent academic and technical background but will also actively contribute to teamwork, staying abreast of cutting-edge technologies and independently identifying and resolving challenges.At AppLovin, you will collaborate with some of the world’s leading developers to create optimal advertising systems and infrastructure. Your skills and expertise will directly translate into visible business growth.We encourage bold innovation and uphold a culture of engineering excellence while rejecting bureaucracy. If you are passionate about technology and aspire to use it to create wealth and effect change, you’ll find like-minded individuals here.The Impact You’ll MakeDevelop and enhance machine learning models related to ad placements to increase predictive accuracy and effectiveness.Work with cross-functional teams to improve data pipelines, optimize model inference performance, and refine monitoring systems.Stay updated on the latest advancements in machine learning and advertising technology, assessing their potential impact on company operations. Implement cutting-edge research into practical projects to drive technological innovation.Proactively identify potential issues and areas for optimization within ad placement systems, proposing viable solutions. Design and conduct experiments to validate hypotheses and optimize model and system performance.Collaborate closely with our talented machine learning engineers, data scientists, and software engineers to seamlessly integrate your solutions into our platform.Who You AreMaster’s or PhD in Computer Science, Mathematics, Statistics, Machine Learning, or a related field.Strong theoretical foundation and practical experience in machine learning, familiar with common algorithms and tools (e.g., Python, TensorFlow, PyTorch).Experience in model optimization and inference performance enhancement, understanding relevant technologies and methods.Outstanding teamwork abilities, adept at communication and collaboration, with a proactive approach to contributing within a team.A strong desire to learn and ability to independently identify and solve problems, quickly adapting to technological changes.Additional StrengthsExperience in advertising technology or related fields.Proficiency in C++ development.Publications in leading conferences on recommendation systems or advertising (e.g., KDD, NeurIPS, SIGIR, Recsys) are a plus.

Airbnb was established in 2007 when two hosts welcomed three guests into their San Francisco home. Since then, it has expanded to over 5 million hosts who have received more than 2 billion guests across nearly every country worldwide. Each day, hosts provide unique accommodations and experiences, allowing guests to connect with communities in a meaningful and authentic manner.The Community You Will Join:Community Support (CS) plays a pivotal role in driving Airbnb's core business. Our Community Support Engineering team is tasked with developing state-of-the-art technology, architecture, and solutions that empower CS at Airbnb. The innovations we create enhance the experiences of guests, hosts, CS agents, and operations teams globally.Aligned with our CS Product vision, we are harnessing the power of AI to revolutionize our customer service delivery, merging sophisticated ML/LLM capabilities with the expertise of our Support Ambassadors to provide a seamless, high-quality support experience.The Impact You Will Have:As the ML Manager for Community Support Product Engineering in China, you will lead a talented team of machine learning engineers. Your focus will be on researching, designing, and optimizing AI models and services that scale our AI-driven products and significantly enhance the Community Support experience for guests, hosts, and support ambassadors.Your Responsibilities Will Include:Recruit, mentor, and develop a dynamic team of skilled machine learning engineers, promoting their technical and professional growth.Take proactive initiatives to achieve results that extend beyond the team's scope.Build strong relationships and ensure alignment with stakeholders within Community Support and across external teams.Effectively communicate complex concepts and decisions to various stakeholders across different functions.Provide essential guidance and input for prioritizing multiple significant projects.Collaborate closely with platform, backend, and frontend engineers to facilitate rapid development cycles without compromising quality, developing robust ML models and systems that enhance community support initiatives. Conduct comprehensive design and architecture reviews to continually elevate our standards of technical excellence.

Join Trexquant, a pioneering quantitative investment fund founded in 2014, as we manage a substantial multi-billion dollar portfolio of equities and other liquid assets across global markets. Utilizing an extensive array of data sets, we apply innovative machine learning techniques to identify trading signals and integrate them into market-neutral portfolios. Our team, composed of seasoned professionals with backgrounds in leading hedge funds, is dedicated to fostering a culture of problem-solving through quantitative analysis.Responsibilities: Dive deep into diverse datasets to uncover signals for systematic quantitative strategies. Research and apply cutting-edge academic findings in machine learning and quantitative finance. Craft features from unique data sets to enhance the predictive accuracy of our models. Utilize machine learning techniques for alpha discovery and portfolio construction. Requirements:Recent graduates from the class of 2027 are encouraged to apply.A strong enthusiasm for machine learning and quantitative finance.Exceptional problem-solving abilities and a collaborative mindset.Proficiency in Python; knowledge of financial accounting is an advantage.Prior experience in quantitative research is preferred.Availability for a full-time, on-site internship in Beijing from July to September 2026.Effective communication skills in English.Benefits: Engage in a supportive team environment where your input shapes research directions and you can spearhead innovative ideas. Receive mentorship and guidance from experienced quantitative researchers. Access to proprietary technology platforms for transforming ideas into actionable trading signals. Potential to transition into a full-time role upon successful completion of the internship. Trexquant is proud to be an Equal Opportunity Employer.

Join Trexquant, a pioneering systematic hedge fund that leverages thousands of statistical algorithms to trade across equity, futures, and various global markets. Our team utilizes extensive datasets to create comprehensive feature sets and employ cutting-edge machine learning techniques to identify trading signals, seamlessly integrating them into market-neutral portfolios. We seek talented data scientists, physicists, engineers, economists, and programmers dedicated to crafting the next wave of machine learning strategies for accurately forecasting the future movements of fluid financial assets.As a Quantitative Researcher, you will play a crucial role in creating market-neutral signals, analyzing vast datasets, and collaborating with our Data and Strategy Research team to develop a diverse array of predictive models. While we welcome expertise across asset classes, our current focus is on equities, futures, commodities, and event-driven research.

About the Role:Join Alluxio as a Senior Staff Software Engineer, where you will lead the charge in advancing the innovative Alluxio project. This role presents an exciting opportunity to tackle complex challenges in Distributed Data Services, focusing on enhancing memory and data structure efficiency, optimizing thread concurrency, implementing locking mechanisms, and developing effective caching policies.Key Responsibilities:1. Drive the design and development of scalable system architectures capable of supporting thousands of nodes while ensuring data durability and high availability.2. Collaborate with cross-functional teams to translate creative architectural ideas into practical solutions, guiding team members throughout the project lifecycle.3. Take ownership of product architecture and set the technical direction in partnership with product management.Qualifications:1. Proven leadership skills with a minimum of 2 years in a technical architect role.2. Bachelor's degree in Computer Science, a related technical field, or equivalent hands-on experience.3. Proficient in one or more general-purpose programming languages, including Java, C/C++, or Go.4. Extensive experience in architectural design across at least two of the following areas: distributed systems, parallel processing, large-scale software systems, or security software development.5. Strong analytical and problem-solving abilities.6. Excellent verbal and written communication skills in English.Preferred Qualifications:1. Advanced degrees (Master's or PhD) in engineering, computer science, or a related field.2. High proficiency in one or more programming languages such as Java, C/C++, or Go.3. A passion for learning new programming languages and technologies.

Founded in 2007, Airbnb has evolved from a simple idea of offering a place to stay into a global community of over 5 million hosts welcoming more than 2 billion guests to unique experiences across the world. We are committed to fostering authentic connections and memorable experiences for our guests while empowering hosts to share their spaces and stories.The Community You Will Join:At Airbnb, Machine Learning and Artificial Intelligence are integral to our product offerings. From enhancing Trust and Payments to optimizing Customer Service and Marketing, we harness the power of ML to elevate the experiences of both guests and hosts.The Community Support Products (CSP) Machine Learning team spearheads the CSxAI (Customer Support x Artificial Intelligence) initiatives. Our mission is to leverage Generative AI technologies to create an intelligent, scalable, and exceptional service experience. The team is responsible for developing and refining AI models, ML services, and tools, including LLM fine-tuning, optimization, RAG/Search, and automation of LLM evaluation and testing, as well as feedback-based learning and guardrails for a spectrum of applications within Airbnb.With Airbnb's rich data, complex marketplace, and diverse product offerings, we are committed to pushing the boundaries of AI practice. We invest in long-term innovation to tackle intricate challenges, and we are looking for top-tier ML and AI experts to join our team. The Difference You Will Make:We believe that our current customer experiences are just the tip of the iceberg regarding potential innovations. Science is key to delivering transformative change for our Guests and Hosts at Airbnb.Your role will involve using cutting-edge AI technologies to revolutionize our customer service, creating personalized, user-friendly, and proactive service experiences.Many initiatives you will be working on are in their conceptual stages, providing you with the opportunity to cultivate ideas from inception to production, turning visionary concepts into impactful realities. A Typical Day: Envision, advocate for, and support the development of innovative ML systems, product integrations, and performance optimizations to address real-world challenges.Collaborate cross-functionally with product, design, and engineering teams to craft solutions that enhance our services.

Role overview Grab seeks a Senior Site Reliability Engineer in Beijing to help maintain a reliable and high-performing platform. This position centers on working closely with engineering teams to reinforce system architecture, establish thorough monitoring, and enhance incident management processes. What you will do Collaborate with developers to refine and scale the system architecture. Design and deploy monitoring solutions that track system health and performance. Streamline incident response to minimize downtime and accelerate service recovery. Contribute to maintaining high availability and scalability for Grab’s platform and services. Impact This work supports a seamless and dependable experience for users on Grab’s platform.

If you thrive on tackling intricate technical challenges, we want you on our team! We're seeking a skilled Support Engineer who is passionate about delivering top-notch customer support. The ideal candidate will possess a strong technical aptitude and a commitment to customer satisfaction. You will collaborate closely with AppsFlyer’s R&D, Customer Success, and Product Teams, actively participating in cross-departmental projects and significantly influencing product evolution through insightful feedback.

About Speechify Speechify helps people absorb information in new ways. Whether listening to web articles, cloud documents, or books on a phone, users can access content wherever and whenever they want. The tools at Speechify aim to make learning faster, deeper, and more enjoyable. As streaming changed audio entertainment, Speechify is reshaping how people interact with audio information. The company leads its category and continues to grow rapidly. Role Overview: Senior Software Engineer, Core Experiences Speechify’s Core Experiences Team builds and maintains the services and SDKs that power the product across platforms. This senior engineering role focuses on both product and infrastructure. The work centers on designing clear APIs and intuitive systems that boost user engagement. The team values strategic thinking and a hands-on approach to technical challenges. What You Will Do Work with Product Teams to define project scopes and streamline workflows for faster customer feedback. Balance integration and user experience trade-offs across teams, delivering solutions through a cross-platform SDK. Improve existing features for better performance, such as reducing load times and optimizing parsing, by refining abstractions and algorithms. Develop cloud functions, lightweight backend services, and jobs using Kotlin. Who Thrives in This Role Thinks in systems and values simplicity in design, recognizing that optimizing a system means considering the whole picture. Generates ideas and options quickly, with a clear sense of what can launch now and what needs more time. Stays focused and self-directed, especially in a startup environment with a remote team. Works well with others, inspiring and negotiating with designers, marketers, and product managers. Location This position is based in Beijing, China.

Join our dynamic team at Bosch Group as a Process Engineer, where you will play a pivotal role in enhancing our engineering processes to drive efficiency and innovation. You will be responsible for analyzing existing workflows, implementing process improvements, and collaborating with cross-functional teams to ensure optimal performance and quality.

Join Duolingo as a Senior Software Engineer and be a part of our mission to make education accessible to everyone. In this role, you will leverage your technical expertise to design, develop, and maintain our innovative language-learning platform. Collaborate with a team of talented engineers and product managers to deliver scalable and reliable software solutions that enhance user experience.

Unlock Your Potential with a Leader in Performance-Driven Advertising!As a Field Engineer on the Taboola News team based in our Beijing office, you will be crucial in maintaining the quality and performance of our innovative content discovery system for global OEMs. Your responsibilities will include developing test plans, collaborating with various stakeholders, and proactively addressing challenges to ensure exceptional user experiences.

At AppsFlyer, we celebrate the essence of our culture through our people. We pride ourselves on being a community of approachable professionals who are versatile, tenacious, and committed to supporting one another as both colleagues and mentors. Our dynamic Sales team is in search of a Senior Account Manager to cultivate and manage relationships with our valued clients as part of our Greater China Region (GCR) team based in Beijing. The ideal candidate will possess a proven record of successfully selling enterprise SaaS analytics and platforms, preferably in the mobile advertising sector. You should be adept at navigating complex sales processes and thrive in a fast-paced, high-growth environment. Your role will focus on nurturing existing client relationships and driving upsells, while positioning AppsFlyer as the leading authority in attribution.

Join Bosch Group as a Sales Engineer specializing in tightening solutions. In this role, you will be instrumental in delivering top-notch technical sales support and solutions to our diverse clientele. You will collaborate closely with engineering teams and clients to ensure that our products meet their specific needs.