Solutions Engineer Intern - Summer & Fall 2026

Join aisafety as a Research Engineer Intern for the Fall 2026 term! This internship is an excellent opportunity to gain hands-on experience in the field of safety engineering, where you will collaborate with seasoned professionals on innovative projects. You will be involved in research and development activities, contributing to advancements in safety solutions.

Join Handshake as a Student Researcher for the Fall 2026 semester! This exciting role offers you the chance to contribute to innovative research projects while gaining valuable experience in a dynamic environment. As a Student Researcher, you will work closely with leading professionals, enhance your analytical skills, and immerse yourself in real-world applications of your studies.

Join Cloudflare as a Research Engineer Intern for the Summer 2026 session! This is a fantastic opportunity for students and recent graduates to gain hands-on experience in a leading tech company. As a Research Engineer Intern, you will collaborate with experienced engineers and be involved in groundbreaking research projects that enhance our product offerings and overall service quality.

Astranis builds advanced satellites for high orbits, expanding access to secure and dedicated networks for clients such as large enterprises, governments, and the US military. With five satellites in orbit and more launches ahead, Astranis supports a commercial contract backlog exceeding $1 billion. The company is headquartered in Northern California and employs 450 engineers and entrepreneurs, backed by over $750 million from investors like Andreessen Horowitz, Blackrock, and Fidelity. The Associate Mechanical Engineer - Fall 2026 Program is a twelve-week, salaried role based in San Francisco. This program is designed for candidates who have completed or will complete their bachelor’s degree before joining. The position offers the chance to work on projects that match the complexity and impact of those assigned to full-time engineers. Role overview Work alongside the engineering team to design, build, and test satellite hardware or software. What you will do Associate Engineers at Astranis contribute directly to challenging engineering projects. Past participants have designed and tested hardware or software for the company’s first satellite. Many have continued on to full-time roles. This program emphasizes hands-on experience and meaningful project ownership. Requirements Bachelor’s degree completed or expected before the program start date Interest in satellite hardware or software engineering Note: Current college students should consider applying for the Astranis Internship program instead.

Join Notion Labs Inc. as a Software Engineer Intern for the Fall 2026 semester! This is an exciting opportunity to work in a dynamic environment where you will contribute to innovative projects and gain hands-on experience with cutting-edge technologies.As an intern, you will collaborate with our talented engineering team to develop and improve our software solutions. You'll have the chance to enhance your skills in programming, problem-solving, and teamwork while making a real impact in our organization.

Join Cloudflare as a Research Engineer Intern for Summer 2026! This is a unique opportunity to contribute to cutting-edge projects and collaborate with talented engineers in a dynamic environment. You will gain hands-on experience in research and development while working directly with our engineering teams. This internship is designed for ambitious individuals looking to kickstart their careers in technology.

Join Sierra as an Intern in Agent Development for the Fall 2026 semester! This is an exciting opportunity to gain hands-on experience in a dynamic and innovative environment. As an intern, you will collaborate with our talented team to support various projects aimed at enhancing agent performance and development strategies.

About HandshakeHandshake stands at the forefront of the evolving AI economy, serving as a vital career network that connects over 20 million knowledge workers, 1,600 educational institutions, and 1 million employers, including all Fortune 50 companies. Our platform is trusted for career discovery, hiring, and skills development, facilitating everything from freelance AI training gigs to internships and full-time careers. Our unique value proposition has resulted in exceptional growth, with our annual recurring revenue tripling in 2025.Why you should join Handshake now:Play a pivotal role in shaping the careers of individuals in the AI economy, impacting your community and peers.Collaborate closely with leading AI labs, Fortune 500 partners, and top-tier educational institutions.Be part of a team guided by experts from renowned companies such as Scale AI, Meta, xAI, Notion, Coinbase, and Palantir.Contribute to building a rapidly expanding business with substantial revenue potential.About the RoleAs an AI Research Intern at Handshake during the summer of 2026, you will be integral to our research team, which specializes in developing data engines that drive the next generation of large language models. This internship will offer you the opportunity to engage in focused projects that could lead to publishable research contributions and immediate application within our production stack. The internship is set to commence between May and June 2026.Projects You Could TackleLLM Post-Training: Explore innovative RLHF/GRPO pipelines, enhance instruction-following capabilities, and refine reasoning-trace supervision.LLM Evaluation: Develop new multilingual and domain-specific benchmarks, conduct studies comparing automatic and human preferences, and perform robustness diagnostics.Data Efficiency: Implement active-learning loops, assess data value, generate synthetic data, and devise low-resource fine-tuning strategies.Each intern will own a defined research project, receiving mentorship from a senior scientist, with the goal of producing a manuscript suitable for archival or submission to a top-tier conference.

Join Cloudflare as a Software Engineer Intern for the Summer of 2026! This is an exciting opportunity to gain hands-on experience in the tech industry, working alongside our talented engineers. You will contribute to meaningful projects, collaborate with cross-functional teams, and develop your skills in a dynamic and innovative environment.

Join Cloudflare as a Security Engineer Intern for the summer of 2026! This is an exciting opportunity to gain hands-on experience in the field of cybersecurity. You will work alongside seasoned engineers, tackling real-world security challenges and contributing to projects that protect our customers' data and privacy.As a part of our dynamic team, you will learn about security protocols, threat detection, and incident response while honing your technical skills. We value innovative thinking and enjoy a collaborative work environment where your ideas can make a difference.

Join Cloudflare as a Research Engineer Intern for the summer of 2026, where you'll have the opportunity to tackle cutting-edge challenges within a dynamic and innovative environment. This internship is designed for aspiring engineers looking to deepen their expertise while contributing to groundbreaking projects that enhance internet security and performance.

Astranis develops advanced satellites for high-orbit missions, supporting secure networks for clients ranging from large enterprises to governments and the US military. With five satellites launched and more in development, Astranis manages a commercial contract backlog of over $1 billion. The company has raised more than $750 million from leading investors, including Andreessen Horowitz, Blackrock, and Fidelity. The team of 450 engineers and entrepreneurs operates from a 153,000 sq. ft. headquarters in Northern California. Internship Overview The Mechanical Engineering Internship for Fall 2026 is a twelve-week, hourly position designed for students enrolled in a four-year university program. Interns join the engineering team to work on substantial, hands-on projects that impact Astranis satellites directly. Many past interns have contributed to hardware and software for the company’s first satellite, with several moving on to full-time roles at Astranis. Recent graduates are encouraged to apply for Associate Engineer positions instead. What You Will Do Work closely with engineers to design, build, and test satellite hardware and software. Design, evaluate, procure, assemble, and test structures, mechanisms, and bracketry for spacecraft, using a variety of manufacturing methods for both composite and metallic parts. Perform mechanical and thermal analyses on spacecraft systems. Integrate components and systems into spacecraft, collaborate on documentation, and help improve build processes for future projects.

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.

About the Role:Join us for a paid internship in the summer of 2026 (June to August, dates are flexible). This role requires full-time, in-person attendance at our San Francisco office located in the vibrant Mission District.What We're Creating:We are developing the core components of our groundbreaking Physical AI Scientist platform, which includes: Advanced Physical AI capable of manipulating scientific instruments with human-like precision. Intelligent Scientific AI that autonomously analyzes results, determines next steps, and completes experiments.This is a highly ambitious endeavor, and we believe that a dedicated team of individuals who take ownership can achieve remarkable success.The Team:Our team is made up of passionate engineers from esteemed companies like Tesla, Amazon, SpaceX, and Neuralink. We thrive on collaboration and enjoy fast-paced work, whether it’s on our products or during team outings like skiing or go-karting!We love diving deep into discussions about engineering and robotics, as well as sharing interests in topics like race cars and cooking. Our culture encourages continuous learning and sharing knowledge among team members.We value straightforward communication and are not afraid of healthy debates regarding design choices. If disagreements arise, we prefer to address them quickly and with empathy.In this role, you will:Collaborate with our Full Stack Software Engineering team to develop software solutions that enhance scientific advancements.We're Looking For Candidates Who:Are adaptable and willing to take on diverse responsibilities.Can thrive in a dynamic environment where priorities may shift and timelines can be ambiguous.Have a genuine enthusiasm for learning and expanding their technical abilities.Preferred Qualifications:Proficient in Python, with the ability to swiftly implement and refine ideas.Experience in developing interactive front-end applications using React or similar frameworks.Familiarity with Typescript.Understanding of web programming (HTML, CSS, JS, HTTP, REST).Experience in backend system design and implementation.

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 AfterQuery as an AI/ML Research Intern and immerse yourself in groundbreaking artificial intelligence projects. This internship is designed for exceptional undergraduate and master's students eager to collaborate with our research team on advanced reasoning and agentic models. You will have the opportunity to access specialized datasets and work closely with industry experts, contributing to exciting AI research that could lead to co-authored papers and presentations at prestigious AI conferences.We invite students currently enrolled in relevant programs to apply. This role requires a commitment of 10 to 40 hours per week, adaptable to the needs of the company.

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 Marketing Operations Intern for the summer of 2026 and immerse yourself in the dynamic world of digital marketing. As an intern, you will collaborate with our marketing team, contributing to various initiatives that enhance brand visibility and drive customer engagement. This is a unique opportunity to gain hands-on experience in a fast-paced environment while working alongside seasoned professionals.

Pinterest’s Advanced Technology Group is looking for a Machine Learning Intern at the master’s level for Fall 2026. This internship centers on visual search and recommendation systems, blending research and engineering in a collaborative environment. Interns may help launch new features for millions of users or take part in academic research projects. Role overview This 12-week paid internship runs from September 21 to December 11, 2026. Work may be remote or hybrid, with office locations available in San Francisco, Palo Alto, Seattle, or New York. Team placement determines whether the role is remote or hybrid. What you will do Build and launch new user features using internal datasets and machine learning techniques. Conduct research focused on visual understanding and recommendation systems. Work closely with engineering teams and take part in external collaborations or mentoring. Contribute to features that may reach millions of users or support research for academic publication. Locations San Francisco, CA Palo Alto, CA Seattle, WA New York, NY Remote (team dependent) Internship details 12-week program: September 21 to December 11, 2026 Paid internship Remote or hybrid work (based on team) Application note Applying to this position enters candidates into consideration for multiple machine learning internship roles across Pinterest’s ML teams. Submit only one application within the USA or Canada; multiple applications may delay review.