Palantir Software Engineer Interview Guide

The short answer: Palantir publishes a Getting Hired guide for engineers. It says everyone starts with one or two phone interviews of 20 to 45 minutes that include a coding question, followed by an onsite, and that the number and format of interviews depend on your skills and the role. The guide names five competencies: writing good code, analyzing efficiency, navigating open-ended questions, solving technical problems and working inside existing systems. Candidate reports describe onsite rounds called decomposition, coding, system design, re-engineering and a learning round, with behavioral questions in each. Last reviewed October 2026.

Palantir software engineer interview: quick answers

The Palantir software engineer role

What Palantir engineers work on, the skills its job postings ask for, and what a normal week looks like.

Palantir software engineer levels and pay

Your level sets the bar you are interviewed against and the pay band of the offer.

Palantir says it has no traditional career ladder, and its posted pay bands are flat across titles: Senior postings share the band of non-senior ones. The rows below therefore use posting titles only, not levels.

Pay in Palantir's US job postings

Palantir's US postings list an estimated yearly salary range, separate from total pay, which they say may also include restricted stock units, a sign-on bonus and other future incentives.

Rows use posting titles because Palantir has no traditional ladder and Senior titles share the same band as non-senior ones. No Staff or Principal software engineer postings were open. Ranges seen October 27, 2026.

Palantir software engineer interview process

The phone interview and onsite come from Palantir's Getting Hired guide. The recruiter call, online assessment, onsite round names and hiring manager interview come from candidate reports. This guide covers the Software Engineer track; Palantir says the process differs for Forward Deployed Software Engineers.

Based on Palantir's own pages and candidate reports.

Palantir says it usually replies within a week or two after a phone interview. Candidate reports say team matching happens after the onsite, the final decision seems to rest with the last hiring manager, and the whole process takes three to four weeks. Last reviewed October 2026.

What is different at Palantir

• Palantir publishes what it tests. Its Getting Hired guide has a page for each competency, from writing good code to working inside existing systems, with practice advice for each.
• Decomposition is in almost every onsite, according to candidate reports. Palantir's own advice for open-ended problems is to lay out alternatives, commit to one approach and deliver a working idea before expanding it.
• Re-engineering tests reading other people's code. Candidate reports describe finding bugs in a long file. Palantir suggests practicing by reading unfamiliar code and fixing bugs in open-source projects, and resisting the urge to rewrite.
• Some loops include a learning round where you learn a new concept or API live, according to candidate reports.
• Behavioral questions run through every round, and candidate reports say the recruiter call is an unusually strict filter on motivation.
• There is no traditional career ladder. Palantir describes a flat structure, and its posted pay bands are the same for Software Engineer and Senior Software Engineer titles.

Palantir software engineer interview questions

Coding problems from our bank tagged to Palantir, then design, fundamentals and behavioral prompts we wrote for this guide.

1from typing import Dict, List
2
3def upgrade_waves(deps: Dict[str, List[str]]) -> List[List[str]]:
4    """Return upgrade waves, each sorted by name. Raise ValueError on a cycle."""
5    pass

1from typing import Dict, List
2
3def upgrade_waves(deps: Dict[str, List[str]]) -> List[List[str]]:
4    services = set(deps)
5    for ds in deps.values():
6        services.update(ds)
7    waiting = {s: len(set(deps.get(s, []))) for s in services}
8    dependents = {s: [] for s in services}
9    for s, ds in deps.items():
10        for d in set(ds):
11            dependents[d].append(s)
12    wave = sorted(s for s, n in waiting.items() if n == 0)
13    waves, done = [], 0
14    while wave:
15        waves.append(wave)
16        done += len(wave)
17        nxt = []
18        for s in wave:
19            for t in dependents[s]:
20                waiting[t] -= 1
21                if waiting[t] == 0:
22                    nxt.append(t)
23        wave = sorted(nxt)
24    if done != len(services):
25        raise ValueError("dependency cycle")
26    return waves
27
28# Complexity: O(V + E) for the graph walk plus O(V log V) to sort names within waves.

How to prepare

A plan for the Palantir loop, most important first:

1. Read Palantir's Getting Hired pages and practice each of the five competencies it names.
2. Practice decomposition: take an ambiguous user problem, ask who the user is, and sketch a small working version in pseudocode before expanding.
3. Practice re-engineering by reading unfamiliar open-source code and fixing real bugs without rewriting, as Palantir suggests.
4. Code on a whiteboard or paper in a mainstream imperative language, and state the complexity of every call you make.
5. Prepare a specific answer to why Palantir, plus stories for executing, challenging yourself, motivating others, judgment and failure.
6. Practice learning a new API or concept live while asking good questions, in case your loop has a learning round.

Practice path

Courses that cover the rounds above:

• Data Structures and Algorithms
• System Design
• Rust