Anthropic Software Engineer Interview Experiences & Questions
7 candidates share their Anthropic Software Engineer interviews: each round, the questions asked and the outcome. Latest: Aug 2026.
What to expect · Anthropic Software Engineer
Based on 7 real interviews
The Anthropic Software Engineer interview process
Most common round types: Behavioral (5), System Design (5), Artificial Intelligence (4), Coding (4), Technical (4), Data Structures & Algorithms (3).
Real Anthropic Software Engineer interview questions
- Why do you want to work at Anthropic?
- Design an inference batching system with constrained compute and lots of incoming requests.
- Implement an image-processing pipeline over the provided files in the project.
- Tell me about yourself.
- Walk me through a recent large-scale project you worked on.
- Present a project of your choice.
- Why Anthropic?
- You have one huge file coming in over a constrained link. How do you distribute it to thousands of machines?
- How would you convert stack samples to a trace?
- What projects did you work on?
- Tell me about a time you had to build something that was against your values.
- Design a batch inferencing API over GPU clusters.
- Find duplicate files.
- Show me a demo of a project you have built end-to-end.
- Tell me about a time you made something outside your job description.
- Design an end-to-end system that batches lots of single-line user queries onto GPUs that can process up to 100 queries at once.
- Build a web crawler that crawls a website.
- Previous experiences
- Do you have any feedback on Anthropic's mission?
- Given profiler samples with function start and end events, figure out which part of the code is the slowest.
- Transform call stacks or samples into execution traces.
- Agent building exercise from scratch - making use of existing tools
- Why Anthropic, and what actually motivates you here, especially around AI safety?
- Why Anthropic, and what did you take away from the safety and AI security material we sent you?
- Implement an LRU cache.
- Are you comfortable with the Staff comp band for this role?
- Design Doc Review - Batch Sampling Service
- Tell me about a cross-functional conflict and how you handled it.
- Design an API to let users sample from large language models efficiently, with good batching and request orchestration.
- Tell me about a time you had a moral conflict with the work.
- How would you handle delivery pressure when there is a security or safety concern?
- Tell me about a technical decision you drove and how you got people on board.
- Why Anthropic, and what evidence shows their sincerity about their mission?
- Do you have any critique or concerns about Anthropic's approach or direction?
- Which compensation band works better for you?
- What kinds of experiences, teams, and projects have been good or bad fits for you, and what made you want to switch?
- Present a project you led end to end that shipped.
- Tell me about a conflict.
- What is your biggest project?
- Tell me about a time you had a conflict.
Showing 40 of 48 questions. Open any experience for every question and how the candidate answered.
All 7 Anthropic Software Engineer interview experiences
“The system design interview was a bit different than the typical ones, it asked me to review an existing design doc and give feedback. Initially I was a bit uncertain, but was able to navigate the…”
“The interview process went well. The recruiter was very responsive and supportive throughout the process. Had a recruiter screening call and an HM call. I am pretty sure that the HM did not like my…”
“The weirdest Anthropic round was the company values interview. It was almost like a therapy session, and honestly if you went to a therapist at some point, you will pass that round much more easily.”
“The process was structured, thoughtful, and generally well run. The interviews felt focused on practical judgment, problem-solving, communication, and how I approach ambiguous technical and product…”
“I went in expecting a multithreaded DSA question, and instead they dropped me into a full project with image files where I had to Google a library on the spot. End of the day, I did not even have…”
“The main thing is that Anthropic had a very small question bank. When I was interviewing, I already knew the system design question, and the coding questions were like five of them, which was kind…”
“Anthropic was very different from the 20 companies I interviewed with. The culture round felt like a lawyer call, very interrogative, with conscience based questions like when have you done…”
More: all Anthropic interviews · Software Engineer interviews at every company
Frequently asked questions
How many rounds are in the Anthropic Software Engineer interview?
Candidates report a typical 4 rounds, usually including a recruiter screen, online assessment, phone screen, technical round.
How hard is the Anthropic Software Engineer interview?
Candidates rate it 3.6/5 on average (difficult), across 7 interviews.
How long does the Anthropic Software Engineer hiring process take?
About 3 weeks from first contact to decision, based on reported timelines.
What percentage of Anthropic Software Engineer candidates get an offer?
0% of candidates with a final result got an offer (0 of 5).
What does the Anthropic Software Engineer interview focus on?
The most common round types are Behavioral, System Design, Artificial Intelligence, Coding.