Associate Member of Technical Staff Internships
Associate member of technical staff internships give university students, recent graduates, and early-career switchers hands-on project experience, mentorship from working engineers, and, at many employers, a path toward a full-time offer. Openings are concentrated across {{top_industries_phrase}}, with Trajectory, GenMD, and Axiom Math among the employers posting roles now.
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As a Member of Technical Staff (Research) at Trajectory, you will design and build the post‑training stack that lets our customers’ models continually learn from real production workflows. You will own end‑to‑end experiments across data, training, and evaluation: shaping telemetry into learnable signals, training and serving custom LLMs and agents, and designing novel algorithms. You’ll work directly with the founders and design partners, make foundational technical and product decisions, and help define both the culture and architecture of a company whose core mission is to enable continually learning intelligence.
Required Qualifications
Experience training or serving large language models
Experience building RL environments or evaluation suites for LLMs
Proficiency in PyTorch, JAX, or similar ML frameworks
Strong experimental design skills
Master’s / research experience
Preferred
Background in pre- or post-training RL for LLMs
Experience with high-performance computing or large-scale clusters
Contributions to open-source ML research or infrastructure
Demonstrated technical creativity (research, OSS, side projects)
PhD (last year of PhD), working on AI / RL open source projects
About Trajectory
Trajectory is a research and product lab creating the platform for continual learning.
AI is the most capable software ever built, and the least able to learn. Every valuable correction and edit that happens in a product evaporates at the next session. A few teams have closed this gap by hand-coupling their models to their products: Composer, Claude Code, Windsurf SWE-1.
Trajectory is the first scalable approach for every company: our platform unlocks the signal already sitting in product use, so companies can continuously post-train large-scale agentic models that outperform the frontier. Working with leading AI companies, including Decagon, Clay, Harvey, Mercor, and Rogo.
Founded by researchers from Deepmind, OpenAI, Meta, Apple, Amazon, and Scale. $15M led by Conviction, with Fei-Fei Li, Jeff Dean, and founders of Notion, Braintrust, Modal, Hugging Face, and Dropbox.
Job Description
As a Member of Technical Staff (Research) at Trajectory, you will design and build the post‑training stack that lets our customers’ models continually learn from real production workflows. You will own end‑to‑end experiments across data, training, and evaluation: shaping telemetry into learnable signals, training and serving custom LLMs and agents, and designing novel algorithms. You’ll work directly with the founders and design partners, make foundational technical and product decisions, and help define both the culture and architecture of a company whose core mission is to enable continually learning intelligence.
Required Qualifications
Experience training or serving large language models
Experience building RL environments or evaluation suites for LLMs
Proficiency in PyTorch, JAX, or similar ML frameworks
Strong experimental design skills
Master’s / research experience
Preferred
Background in pre- or post-training RL for LLMs
Experience with high-performance computing or large-scale clusters
Contributions to open-source ML research or infrastructure
Demonstrated technical creativity (research, OSS, side projects)
PhD (last year of PhD), working on AI / RL open source projects
About Trajectory
Trajectory is a research and product lab creating the platform for continual learning.
AI is the most capable software ever built, and the least able to learn. Every valuable correction and edit that happens in a product evaporates at the next session. A few teams have closed this gap by hand-coupling their models to their products: Composer, Claude Code, Windsurf SWE-1.
Trajectory is the first scalable approach for every company: our platform unlocks the signal already sitting in product use, so companies can continuously post-train large-scale agentic models that outperform the frontier. Working with leading AI companies, including Decagon, Clay, Harvey, Mercor, and Rogo.
Founded by researchers from Deepmind, OpenAI, Meta, Apple, Amazon, and Scale. $15M led by Conviction, with Fei-Fei Li, Jeff Dean, and founders of Notion, Braintrust, Modal, Hugging Face, and Dropbox.
Associate Member of Technical Staff Internship Market
Who's Hiring
Tips for Your Associate Member of Technical Staff Internship Search
Apply earlier than your peers
Large employers open associate member of technical staff summer intern recruiting the preceding fall and close cohorts before winter break. Smaller companies and co-op programs post closer to their start dates, so check regularly throughout the year rather than waiting for a single hiring season.
Build evidence before you need it
Associate member of technical staff hiring teams expect limited work history at the intern level, so projects carry the weight. Finish two or three complete builds with documented code, test coverage, and a live or linkable result. A repository that shows your reasoning from problem to solution tells recruiters more than a list of coursework.
Work your campus network alongside direct applications
Campus fairs surface structured intern programs tied to your university, and professors and career center staff often know which employers recruit from your school before roles post publicly. Apply directly to companies running smaller cohorts at the same time, since many associate member of technical staff openings never appear on campus at all.
Practice the actual intern screen out loud
Associate member of technical staff intern interviews typically include a coding screen covering data structures and algorithms. Practice by talking through your approach as you work, since interviewers weigh your reasoning process as much as the final answer. Doing this out loud before your first real screen removes the surprise of explaining while you think.
Associate Member of Technical Staff Internships: Frequently Asked Questions
How do I get an associate member of technical staff internship?
Lead with coursework, personal projects, and a portfolio rather than work history, since hiring teams expect limited experience at the intern level. For associate member of technical staff candidates, a linked GitHub repository or deployed project gives recruiters something concrete to assess. Pair direct applications with campus career fairs, where recruiters often move faster for students they meet in person.
Can an associate member of technical staff internship turn into a full-time job?
Many employers extend return offers to strong interns, but conversion is never guaranteed. What actually drives it for associate member of technical staff interns is performance on real assigned work, available headcount on the team, and how early return-offer decisions are made. The practical approach is to treat every project as a full-time audition while keeping other options open.
When should I apply for associate member of technical staff internships?
Earlier than most students expect. Large employers recruit summer interns the preceding fall, often closing cohorts before spring semester begins. Smaller companies and co-op programs post closer to their actual start dates, which means openings for associate member of technical staff interns appear year-round rather than in a single window.
Are associate member of technical staff internships paid?
Most professional associate member of technical staff internships in the U.S. are paid. Compensation varies by company size, industry, and location, and listings display it where the employer chooses to disclose it. Unpaid internships exist primarily in nonprofit or academic settings and are less common at technology and engineering employers.
What should an associate member of technical staff internship resume include?
Lead with projects, not work history. Include two or three complete, documented projects that name the tools and technologies used and link directly to the code or deployed work. Add relevant coursework, any technical certifications, and a clear skills section. Keep everything to one page, since intern hiring managers scan quickly.
Can international students get associate member of technical staff internships?
Yes. F-1 students can intern through CPT while enrolled or through OPT work authorization after finishing a degree, and the employer does not have to file anything for either, so many companies are open to international interns. Confirm your eligibility and timing with your university's international student office before accepting an offer.
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