Machine Learning Engineering Intern (PhD) - Summer 2026

Founded in 2007, Airbnb has transformed the way people travel, connecting over 5 million hosts with more than 2 billion guests worldwide. Our platform enables unique stays and experiences that promote authentic community connections. Join Our Team:We are looking for a Machine Learning Engineering Intern to be part of our 2026 Summer Internship Program.At Airbnb, machine learning is at the forefront of our innovation, addressing challenges in areas such as search ranking, payment security, fraud prevention, and user growth, all while ensuring a seamless user experience. Our team actively contributes to the ML community by publishing insightful articles and research at leading conferences. Explore our work on Medium: https://medium.com/airbnb-engineering/tagged/machine-learningThe Search Relevance and Personalization team focuses on developing cutting-edge algorithms and personalizing user experiences across various product surfaces. Our team of over 30 ML Engineers is dedicated to experimentation, frequently conducting A/B tests to enhance the relevance of our offerings. We also engage in applied research, regularly sharing our findings at prominent conferences such as KDD, CIKM, and WSDM. Your Impact:As a Machine Learning Intern, you will be immersed in a collaborative environment where you'll lead a project that aligns with your technical interests and career goals. Your project will explore innovative applications of AI agents to enhance Airbnb's search and discovery functionalities. Internship Experience:During your internship, you will be part of a dynamic team tackling significant challenges. Expect support, mentorship, and engaging activities that will enrich your learning experience and allow you to make a tangible impact on our products as we redefine connection, belonging, and travel.Take ownership of a capstone project from concept to completion.Collaborate with experienced engineers and leaders in the field.

OverviewAt Pulse, we are revolutionizing the way data infrastructure functions by addressing one of the most enduring challenges: the extraction of precise, structured information from complex documents at scale. Our innovative architecture integrates advanced schema mapping with finely-tuned extraction models, overcoming the limitations of traditional OCR and parsing techniques.As a dynamic and rapidly expanding team located in San Francisco, we empower Fortune 100 enterprises, YC startups, public investment firms, and growth-stage companies. Our impressive growth is supported by top-tier investors who believe in our vision.About the InternshipJoin us as a Machine Learning Engineer Intern, where you'll collaborate closely with our founding engineers to tackle core ML challenges that blend computer vision, natural language processing (NLP), and data infrastructure. This internship is tailored for ambitious second- or third-year undergraduate students eager to acquire hands-on experience with production-scale AI systems.Key ResponsibilitiesTrain and optimize OCR, layout, table, and vision-language models.Contribute to model evaluation, data curation, and active learning processes.Enhance inference, batching, and quantization techniques on GPU.Collaborate with engineers to ensure reliable productionization of models.Document insights that guide the future of our model roadmap.Required QualificationsCurrently pursuing a degree in Computer Science, Engineering, or a related discipline.Proficiency in Python and experience with frameworks such as PyTorch or JAX.Familiarity with contemporary vision or multimodal architectures.Strong programming skills with a keen interest in production systems.Preferred QualificationsExperience with distributed training or model optimization tools (e.g., Triton, TensorRT, ONNX).Contributions to open-source projects in ML, NLP, or CV.Compensation$40–$70 per hour based on experience.Includes a daily meal stipend, office perks, and mentorship from our founding team.

About the RoleAs a Perception Intern at mach9, you will play a vital role in a variety of projects that are essential for the development and refinement of our flagship products. This internship offers you the chance to delve into advanced 2D image and 3D point cloud modeling for object and panoptic detection, with a focus on urban and roadway features such as traffic signals, utility poles, curbs, and painted road markings.Example Projects You May Work On:Develop a prototype aimed at detecting painted lines and curbs on roadways, which could evolve into one of our key products.Adapt our perception models and algorithms for real-time detection, balancing accuracy and speed to operate on cutting-edge edge mapping hardware.Contribute to the development and optimization of machine learning models to improve their performance and precision.Candidate Profile:Strong foundational programming skills in Python, especially in algorithmic problem-solving and clean code practices.Proficient in implementing and iterating heuristic or geometry-based algorithms swiftly.Hands-on experience with machine learning frameworks such as PyTorch or Jax, along with familiarity in computer vision tasks.A genuine passion for applying machine learning to address real-world challenges, particularly in geospatial data analysis.Exceptional problem-solving skills and a team-oriented mindset, with the ability to tackle complex tasks independently.Currently enrolled in a degree program related to Machine Learning, Computer Science, or a similar field, with a solid grasp of machine learning principles and techniques.

Join Cloudflare as a Sales Intern for Summer 2026 and gain invaluable experience in one of the leading tech companies in the world. You will collaborate with seasoned professionals, engage with clients, and contribute to innovative solutions that enhance internet security and performance.

Kickstart your career with a summer internship at Cloudflare, a leader in web performance and security. As an Internal Audit Intern, you will gain invaluable hands-on experience in auditing processes and risk management while working closely with our dynamic audit team. This position is designed for students who are eager to learn and make a significant impact in a fast-paced environment.

Join Cloudflare as a Solutions Engineer Intern for the summer of 2026. This is an exciting opportunity for students who are passionate about technology and eager to gain hands-on experience in a dynamic work environment. As an intern, you will collaborate with our engineering and product teams to develop solutions that enhance the performance and security of our clients' web applications.

Join Cloudflare as a Solutions Engineer Intern for Summer 2026! This is an exciting opportunity for aspiring engineers to gain hands-on experience working with cutting-edge technology in a dynamic and innovative environment. As a Solutions Engineer Intern, you will collaborate with our talented team to solve real-world problems and contribute to our mission of helping to build a better Internet.During your internship, you will have the chance to work directly with clients, understand their technical needs, and help develop solutions that meet those needs. This role is ideal for students pursuing a degree in Computer Science, Engineering, or a related field, who are passionate about technology and eager to learn.

Join our dynamic Governance, Risk, and Compliance (GRC) team as a Summer Intern in 2026! This is an exciting opportunity for students seeking hands-on experience in the tech industry. You'll collaborate with our dedicated professionals to enhance our compliance programs, contribute to risk assessments, and support various GRC initiatives. Your contributions will help shape our company's regulatory strategies and improve our operational resilience.

Join Cloudflare as a Product Manager Intern for the summer of 2026, where you'll have the opportunity to work at the forefront of internet technology. This internship offers a unique chance to immerse yourself in product management, contribute to impactful projects, and collaborate with a talented team.Your role will involve engaging with cross-functional teams, analyzing market trends, and helping to shape the product roadmap. You'll gain hands-on experience in developing strategies that enhance user experience and drive product success.

Join Cloudflare as a Security Engineer Intern for the summer of 2026! This is an exciting opportunity for students looking to gain hands-on experience in cybersecurity. As part of our team, you will work alongside seasoned professionals on projects that help protect our clients' digital assets and infrastructure.In this role, you will engage in various tasks such as analyzing security vulnerabilities, assisting in the development of security protocols, and contributing to incident response efforts. Your work will play a crucial role in maintaining the security posture of our services.

Join Cloudflare as a Data Analytics Intern for the Summer of 2026! This is a unique opportunity to gain hands-on experience in the fast-paced world of data analytics within a leading tech company. You will collaborate with experienced professionals, analyze data trends, and contribute to projects that impact millions of users globally. If you have a passion for data and technology, we want to hear from you!

Join Cloudflare as a Customer Advocacy Intern for Summer 2026 and immerse yourself in a dynamic environment dedicated to customer satisfaction and innovation. In this role, you will collaborate closely with our customer advocacy team to strengthen the voice of our clients and enhance their experience with our cutting-edge solutions. This is a unique opportunity to gain hands-on experience in a fast-paced tech company, where your contributions will directly impact customer engagement.

Join Cloudflare as a Business Development Representative Intern for Summer 2026. This role provides an incredible opportunity to engage with our sales teams and gain valuable experience in business development. You will be involved in identifying leads, connecting with prospective clients, and helping to grow our customer base. Your contributions will help shape the future of our sales efforts.

Join Cloudflare as a Sales Intern for the Summer of 2026 and gain invaluable experience in the fast-paced world of technology sales. This internship will provide you with the opportunity to work alongside seasoned professionals, develop your skills, and contribute to impactful projects that drive customer success.

Join Cloudflare as a Customer Advocacy Intern for the summer of 2026 and be part of a dynamic team dedicated to enhancing customer experiences. In this role, you will engage with our users, gather feedback, and help shape the future of our products. This internship is an excellent opportunity for individuals passionate about customer engagement and technology.

Join Cloudflare as a Software Engineer Intern for Summer 2026 and embark on an exciting journey into the world of technology and innovation. As part of our dynamic team, you will have the opportunity to work on impactful projects, collaborate with experienced engineers, and gain hands-on experience in software development.

Join Cloudflare as a Technical Program Manager Intern for Summer 2026! This is an exciting opportunity to work with one of the leading web infrastructure and security companies. As an intern, you will collaborate with cross-functional teams, engage in project management activities, and help drive innovation in our technical initiatives.

Astranis is at the forefront of satellite technology, crafting advanced satellites that extend humanity’s reach into the solar system. Our satellites are designed to deliver dedicated and secure networks to a diverse range of clients, including large enterprises, governmental bodies, and the U.S. military. With five satellites successfully launched and a robust pipeline of more than $1 billion in commercial contracts, we are poised for significant growth.As a trusted partner in satellite communications, we cater to clients who demand high standards for uptime, data security, and network customization. Our impressive funding of over $750 million from top-tier investors like Andreessen Horowitz, Blackrock, and Fidelity allows us to employ a dedicated team of 450 innovative engineers and entrepreneurs at our state-of-the-art 153,000 sq. ft. headquarters in Northern California, USA.Backend Software Engineer Intern - Summer 2026Join our Platform team as a Software Engineer Intern, where you will design and develop services that autonomously control satellites, monitor telemetry for anomalies, and provide real-time situational awareness to ensure the safety and connectivity of our fleet. Your work will also encompass building critical components and services that empower our software organization, enabling all teams to operate more swiftly and reliably.This internship presents an exciting opportunity to contribute to both our commercial and U.S. government initiatives. Internships at Astranis typically last for twelve weeks and are tailored for students currently enrolled in a four-year university program. If you have already graduated, we invite you to apply for our Associate Engineer positions.

Are you ready to take on a pivotal role in shaping the future of technology? As a Technical Program Manager Intern at Cloudflare, you will collaborate with a dynamic team of professionals dedicated to enhancing internet security and performance. This internship offers a unique opportunity to gain hands-on experience in managing technical projects that impact millions of users worldwide. Join us for the summer of 2026 and immerse yourself in a vibrant work environment where innovation and creativity thrive. Your contributions will play a key role in delivering exceptional solutions that keep our clients' digital experiences secure and efficient.

Join Cloudflare as a Global Trade Compliance Intern for Summer 2026! This is an exciting opportunity to develop your skills in international trade laws and compliance while working in our dynamic office environment. As an intern, you will gain hands-on experience assisting our compliance team in ensuring that our global operations adhere to the highest standards of trade compliance.