Salesforce Interview Questions
We track 26 interview questions reported from Salesforce: 18 in Coding & Leetcode-style Questions, 6 in System Design for ML. They average 3.0/5 difficulty — medium for a working engineer — and every one was reported by someone who sat the loop, not written by us. The topics that come up most: system-design, string, hashmap, array.
Practice these on the problems board →Question mix
- Coding & Leetcode-style Questions18
- System Design for ML6
- ML Fundamentals & Algorithms2
Difficulty
- 2/5 — easy4
- 3/5 — medium19
- 4/5 — hard3
Asked for SWE (25), Infra (6), MLE (5), RS (1)
Topics Salesforce asks about
Reported Salesforce questions
Campaign Cost Weekly Partition
3/5This Salesforce coding interview question challenges you to organize an array of promotional expenses into a fixed number of contiguous sequential periods. The objective is to minimize the accumulated peak costs across all designated intervals by strategically dividing the dataset. It evaluates your grasp of advanced array manipulation and optimization strategies. To explore the full problem statement along with a fully implemented model solution, please consider subscribing to our platform.
Coding & Leetcode-style QuestionsarraydpHiring Manager + Behavioral Rounds
3/5This Salesforce hiring manager evaluation prepares candidates for a blend of leadership inquiries and unexpected technical pivots commonly found in senior loops. It emphasizes core behavioral competencies such as conflict resolution, project ownership, and collaborative communication. Reviewing the detailed preparation guide and comprehensive advice requires a subscription.
ML Fundamentals & AlgorithmsbehavioralbqstarAI / ML Fundamentals Oral Round (AI Engineer)
3/5Prepare for a conceptual conversational evaluation similar to those conducted for AI engineer positions at Salesforce. This session assesses foundational machine learning theory, deployment considerations, and modern large language model architectures, including retrieval-augmented generation and alignment safeguards. It evaluates your verbal clarity and technical depth across critical AI domains without requiring live coding. Review the complete question bank and expert response strategies with a subscription.
ML Fundamentals & Algorithmsml-knowledgellmtransformerRate Limiter for Expensive API with User-Configurable Monthly Quota
3/5Prepare for a system design technical screen encountered in Salesforce engineering loops by architecting a scalable rate-limiting layer for high-cost application endpoints. Your system must handle user-defined monthly quotas managed through a self-serve dashboard, enforce limits with immediate effect, and properly manage overage scenarios. This scenario evaluates your capability to design high-throughput distributed architectures that handle dynamic configuration updates reliably. Gain access to the complete architectural guidelines, deep-dive discussions, and expert design solutions by subscribing today.
System Design for MLsystem-designrate-limitingthrottlingFrontend Curry: addTwoNumbers -> addThreeNumbers(a)(b)(c)
2/5Featured in Salesforce recruitment rounds, this frontend engineering exercise focuses on functional programming by asking candidates to transform a standard summation utility into a curried invocation chain. It tests a deep understanding of closures, higher-order functions, and JavaScript evaluation patterns. Candidates frequently encounter follow-up requirements that generalize the function for an arbitrary number of arguments. The complete problem requirements and the professional model solution are available exclusively to subscribers.
Coding & Leetcode-style QuestionscurryingfrontendjavascriptSingly Linked List — Remove Duplicate Values
2/5As a classic online assessment question for Salesforce engineering positions, this task requires you to clean up a singly linked sequence by eliminating all subsequent nodes that share duplicate values. The challenge tests your pointer manipulation skills and your ability to process linear data structures either in-place or through clean reference restructuring. Maintaining optimal time complexity while preserving the initial unique elements is the primary goal. The full problem and model solution require a subscription.
Coding & Leetcode-style Questionslinked-listhashmapdeduplicationFrontend Traffic Light (HTML / CSS / JS)
3/5Build an interactive UI component in this popular frontend challenge from Salesforce, frequently given to full-stack candidates. You will construct a visual signaling device that transitions through timed states using only HTML, CSS, and vanilla JavaScript without external libraries. This exercise tests your DOM manipulation skills, asynchronous timing management, and ability to coordinate state changes cleanly in a browser environment. The complete problem statement and model solution require a subscription.
Coding & Leetcode-style Questionsfrontendtraffic-lightjavascriptString Compression (LeetCode 443)
3/5In this classic Salesforce assessment challenge, engineers must perform run-length data compaction directly inside a character array without allocating external memory buffers. The exercise tests your mastery of pointer manipulation, in-place data transformation, and constant space complexity constraints under tight performance expectations. Unlock the comprehensive editorial, optimal algorithmic strategies, and complete code walkthrough by acquiring a paid subscription.
Coding & Leetcode-style Questionsstringtwo-pointerstring-processingBinary String Synchronous '01' -> '10' Replacement
3/5This Salesforce intern assessment challenge asks you to calculate the duration required for a binary string to stop changing as adjacent character patterns simultaneously shift over discrete time steps. It tests your ability to model state transitions and optimize string transformation processes. The full problem description and model solution require a subscription.
Coding & Leetcode-style Questionsstringbinary-stringsimulationLFU Cache (LeetCode 460)
4/5Reported as a technical assessment at Salesforce, this challenge requires designing a specialized data structure that maintains elements with restricted storage limits while executing lookups and updates in constant time. The core evaluation centers on efficiently tracking access frequencies and managing tie-breaking eviction policies when capacity limits are reached. Unlock the full problem breakdown and verified model solution by getting a subscription.
Coding & Leetcode-style Questionslinked-listhashmapdesignMaximum Requests in a Time Window
2/5In this technical challenge reported from a Salesforce online assessment, candidates must determine the highest frequency of events falling within a sliding time interval of fixed duration. The problem evaluates your ability to efficiently analyze sequential numerical data and optimize window-based queries without resorting to slow brute-force scans. You will need to apply smart pointer or sorting strategies to handle large inputs smoothly. Unlock the complete problem statement and model implementation by securing a subscription.
Coding & Leetcode-style Questionsarraysliding-windowtwo-pointerFlatten Nested JSON / HashMap to String
3/5This technical coding challenge commonly seen at Salesforce examines your ability to manipulate hierarchical structures using recursion or iterative traversal. You are asked to transform a deeply nested associative structure into a single-level layout utilizing dot-separated keys for leaf elements. This tests your proficiency in handling diverse data types, managing recursive base cases, and restructuring complex information cleanly. Unlock the full problem details and optimal algorithmic solution with our comprehensive subscription.
Coding & Leetcode-style QuestionsrecursiondfsjsonDesign a Collaborative Spreadsheet (Google Sheets)
4/5Presented during an onsite engineering round at Salesforce, this system design challenge requires architecting a real-time collaborative workspace supporting simultaneous edits, formula calculations, and data persistence. It evaluates your expertise in handling distributed concurrency, state synchronization, and scalable backend data models. Uncover the comprehensive architectural guidelines and complete system breakdown with a subscription.
System Design for MLsystem-designgoogle-sheetsconcurrencyOnsite Mini Project — Concurrent Web Crawler
3/5Prepare for high-pressure system design rounds with this Salesforce onsite hands-on mini project, which requires building a concurrent web scraper under tight time constraints. You will need to demonstrate live coding proficiency, manage asynchronous requests, process and sort data according to strict criteria, and generate CSV exports while clearly narrating your thought process. Unlock the full project specifications and a production-grade model solution with a subscription.
Coding & Leetcode-style Questionspythonconcurrencyweb-crawlerMaximum Number of Palindromic Strings (OA)
3/5This Salesforce online assessment challenge evaluates your ability to analyze character frequencies across a collection of text elements. By permitting unlimited character redistribution between different items, the task tests how effectively you can optimize symmetry and maximize the quantity of items that meet mirror-symmetry criteria simultaneously. It requires clever counting strategies and greedy allocation logic to determine the upper limit. Access to the complete problem breakdown and the optimal code solution requires a subscription.
Coding & Leetcode-style QuestionsstringgreedypalindromesLongest Subsequence of X That Is a Substring of Y
3/5Combining string subsequences and contiguous matching constraints forms the core of many advanced text-processing assessments. Featured in a Salesforce technical screening, this problem challenges you to find the longest character sequence from one string that simultaneously exists as a contiguous segment inside another. The evaluation tests your proficiency with dynamic programming states and sequence alignment logic under strict performance bounds. Access the full problem walkthrough and model solution by securing a subscription today.
Coding & Leetcode-style Questionsstringdptwo-pointerCode Review OA — Python Files (Salesforce / Slack)
3/5This Salesforce and Slack joint assessment tests your code comprehension and software evaluation abilities in a realistic take-home format. You will inspect a small codebase containing Python scripts and database interactions to uncover hidden defects, architectural flaws, and maintainability concerns. The task measures your attention to detail and ability to communicate professional engineering feedback effectively. Gain full access to the source repository overview and the complete grading rubric by purchasing a subscription.
Coding & Leetcode-style Questionscode-reviewcode-readingsqlArray Left / Right Duplicate Check (Binary Strings)
2/5Featured as an initial problem in a Salesforce coding challenge, this task requires you to analyze an integer array and determine historical and future occurrences for each element. You will test your efficiency in scanning sequences and encoding presence flags into binary strings that indicate whether a value appears earlier or later in the collection. Unlock the full problem details, optimal linear-time approaches, and the complete model solution with a paid subscription.
Coding & Leetcode-style QuestionsarrayhashmapstringDesign an Async Job / Task System
3/5In this system design interview question from Salesforce, candidates are tasked with engineering a robust asynchronous task execution platform from scratch. The discussion covers designing clean public interfaces, managing job state transitions, implementing reliable retry policies, ensuring idempotency, and selecting appropriate storage layers. It evaluates your capacity to conceptualize and explain a complete distributed background processing service end-to-end. Gain access to the full architectural guidelines and expert model design by purchasing a subscription.
System Design for MLsystem-designjob-systemschedulingCloud / Domain Knowledge Oral Round (GCP / AWS / K8s)
3/5Prepare for a conceptual cloud and orchestration interview loop reported at Salesforce, where candidates face deep conversational queries regarding platform infrastructure and container management systems. This verbal assessment evaluates your understanding of distributed environments, scaling strategies, and infrastructure deployment pipelines, even when pivoting between different cloud providers. You will discuss architectural trade-offs, resource allocation mechanics, and operational best practices without writing actual code. Unlock the complete evaluation guide and expert insights by purchasing a subscription.
Coding & Leetcode-style Questionsdomain-knowledgecs-fundamentalsinfraDesign an Analytics Metrics Dashboard for ChatGPT / LLM Service
3/5Prepare for advanced backend system design interviews with this challenging Salesforce architectural scenario focused on large-scale telemetry ingestion. Candidates are tasked with architecting a robust data pipeline capable of processing massive streams of high-frequency logging events from an artificial intelligence conversational service. The core focus centers on efficient aggregation strategies to compute crucial performance indicators like latency distributions, active usage statistics, and throughput metrics reliably. Master distributed data processing patterns and scalable storage trade-offs by exploring the comprehensive system design guide. Access the full architectural breakdown and expert solution by subscribing today.
System Design for MLsystem-designanalytics-dashboardstreamingMinimum Operations to Reduce an Integer to 0 (LeetCode 2571)
3/5Encountered frequently in Salesforce technical screenings, this algorithmic puzzle requires determining the fewest arithmetic steps needed to reach zero from a given numeric value by repeatedly adding or subtracting powers of two. The task evaluates your grasp of binary representations, greedy choice properties, and optimal substructure when navigating state spaces. Working through this challenge hones your ability to recognize bitwise patterns and optimize recursive transitions. Access to the full problem breakdown and a clean, production-ready solution requires an active subscription.
Coding & Leetcode-style Questionsbit-manipulationgreedymathProject Deep Dive (AI Engineer Loop)
3/5Prepare for the project deep dive round in the Salesforce artificial intelligence engineering interview loop by reviewing how to structure your past architectural decisions, technical trade-offs, and scaling challenges. This assessment evaluates your ability to communicate complex system design choices clearly using visual aids and comprehensive technical breakdowns. Discovering strategic ways to present your engineering background can greatly improve your hiring odds. Access to the full problem breakdown and expert model solutions requires a subscription.
Coding & Leetcode-style Questionsdeep-divepresentationml-knowledgeDesign a High-Throughput Distributed Cache
4/5During a Salesforce system design interview, candidates are challenged to architect an ultra-fast, memory-based caching tier capable of absorbing massive concurrent read volumes in front of a primary database. This problem evaluates advanced architectural concepts including memory eviction strategies, data consistency, sharding techniques, and hot key mitigation under heavy loads. Reviewing the detailed system architecture and expert commentary requires an active subscription.
System Design for MLsystem-designcachingshardingCoffee Ordering System Design
3/5Used during technical evaluations at Salesforce, this system design prompt asks candidates to construct an end-to-end beverage ordering and management platform. The interview scenario prioritizes relational database modeling, efficient query design for complex business metrics, and reliable real-time status notification pipelines for customers and vendors. Architects must address tricky edge cases and lifecycle state transitions within strict time limits. Unlocking the complete architectural design and database schemas requires an active subscription.
System Design for MLsystem-designcoffee-orderingschema-designTypeScript Refactor OA (HackerRank — fullstack)
3/5This full-stack refactoring assessment, administered via HackerRank for Salesforce interviews, evaluates your ability to clean up messy TypeScript codebases filled with conditional logic and duplicated operations. You will fix failing snapshot unit tests, expand test coverage, and restructure the architecture into a maintainable rule-driven design while keeping all tests passing. The comprehensive problem description and model solution require an active subscription.
Coding & Leetcode-style Questionsrefactoringcode-readingtypescript
Companies that ask similar questions
Salesforce interview FAQ
- How many Salesforce interview questions are available?
- 26 reported Salesforce questions, the largest group being Coding & Leetcode-style Questions (18).
- How hard is the Salesforce interview?
- Across the questions we track, Salesforce averages 3.0 out of 5: 4 at 2/5, 19 at 3/5, 3 at 4/5.
- What topics does Salesforce ask about?
- Most often system-design, string, hashmap, array, caching.