Rippling interview questions

Showing 61–90 of 106 results

• Design personalized news aggregation serviceMedium

  This question tests the ability to design a scalable news aggregation system that balances real-time content ingestion with personalized ranking for a large user base.

  RipplingSoftware EngineerSystem DesignTechnical Screen
• Design poker-like hand comparison with custom rankingHard

  This question evaluates object-oriented design, rule-based comparison logic, and algorithmic reasoning for ranking and tie-breaking of card hands, including skills in extensibility and comparison-key representation.

  RipplingSoftware EngineerSoftware Engineering FundamentalsTechnical Screen
• Design several backend componentsHard

  This problem tests your ability to design a robust backend architecture for an employee management system, focusing on data consistency, audit logging, and extensible API design.

  RipplingSoftware EngineerSoftware Engineering FundamentalsHR Screen
• Design several large-scale systemsHard

  This question tests the ability to design a distributed, high-concurrency reservation system that requires strong consistency for inventory management and low-latency read access for search.

  RipplingSoftware EngineerSystem DesignHR Screen
• Evaluate Configurable Rideshare Payout Audit Rules as DataHard

  Implement a generic rule-evaluation engine for a rideshare payout audit tool, where per-fare and per-driver-total rules, each with its own AND-combined conditions, are supplied entirely as data rather than hard-coded branches, using exact integer-cent arithmetic.

  RipplingSoftware EngineerCoding & AlgorithmsTechnical Screen
• Evaluate Expense and Trip-Level Rules as DataHard

  Evaluate configurable expense and trip-sum rules using exact cents, reusable typed predicates, strict thresholds, multiple flags, and deterministic result ordering.

  RipplingSoftware EngineerCoding & AlgorithmsTechnical Screen
• Event-Kitchen Prep Scheduler: Dependencies, Priority, FiltersMedium

  Build a scheduler for a catering kitchen's prep tasks: a task can't start before its dependencies finish, higher-priority ready tasks jump the queue, and a dietary filter can remove tasks whose downstream dependents must then re-route around them. Tests topological ordering, deterministic tie-breaking, cycle handling, and precisely specifying filter-removal semantics.

  RipplingSoftware EngineerSoftware Engineering FundamentalsTechnical Screen
• Explain JS event loop and related conceptsMedium

  This question tests your knowledge of the JavaScript runtime architecture, specifically the distinction between macrotasks and microtasks, and your ability to predict execution order in asynchronous programming.

  RipplingSoftware EngineerSoftware Engineering FundamentalsTechnical Screen
• Explain Your Current and Previous Engineering RolesHard

  Introduce current and previous engineering roles with clear team purpose, personal scope, concrete responsibilities, and relevant progression.

  RipplingSoftware EngineerBehavioral & LeadershipHR Screen
• Explain Your Reason for Changing Roles and Your Interest in the TeamHard

  Explain job-change motivation and role interest with specific goals, evidence-backed fit, professional framing, and honest open questions.

  RipplingSoftware EngineerBehavioral & LeadershipHR Screen
• Extend an Expense Rules Engine with Nested Boolean ConditionsHard

  Extend an expense rules engine with validated AND/OR/NOT expression trees, typed leaf operators, explicit missing-field semantics, and explainable evaluation.

  RipplingSoftware EngineerSoftware Engineering FundamentalsTechnical Screen
• Extend rules for trip-level aggregates and outputsMedium

  This interview question evaluates requirements, scale assumptions, API/data design, architecture, trade-offs, failure modes, and rollout in a realistic interview setting. A strong answer for Extend rules for trip-level aggregates and outputs states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

  RipplingSoftware EngineerSystem DesignTechnical Screen
• Extensible Logger With Independent Handlers and Any-Keyword Search Over Stored LogsEasy

  An object-oriented design and coding question about a logger with independent handlers that strip a configured string, truncate, uppercase or store messages, followed by a case-sensitive any-keyword search over stored logs. It tests extensible design patterns, indexing for fast search, and scaling a logger to production volume.

  RipplingSoftware EngineerSoftware Engineering FundamentalsTechnical Screen
• Find Payroll Bookings in the Latest Active Month by CountryMedium

  Tests PostgreSQL date manipulation, filtering, and aggregation by determining the most recent month with active payroll bookings and summarizing totals by country.

  RipplingData AnalystData Manipulation (SQL/Python)Technical Screen
• Find bounding boxes of connected housesMedium

  This problem tests your ability to perform graph traversal (BFS/DFS) on a 2D grid to identify distinct connected components and compute their spatial extent.

  RipplingSoftware EngineerCoding & AlgorithmsOnline Assessment
• Find median of two sorted arraysMedium

  This question evaluates algorithmic problem-solving skills related to sorted arrays and median computation, testing competency in handling numeric order properties and complexity analysis within the Coding & Algorithms domain.

  RipplingSoftware EngineerCoding & AlgorithmsTechnical Screen
• Find minimum of unknown convex functionMedium

  This question evaluates a candidate's understanding of convex optimization and zeroth-order (query-based) algorithm design, including reasoning about sample complexity, interval-reduction strategies, and robustness to noisy function evaluations.

  RipplingSoftware EngineerMachine LearningTechnical Screen
• Find the Best and Worst Completion of a Partial Numeric HandMedium

  Find the strongest and weakest five-card completions of a partial numeric hand under custom category and right-to-left tie-break rules while sharing one extensible comparison engine.

  RipplingSoftware EngineerCoding & AlgorithmsTechnical Screen
• How would you present a project deep dive?Medium

  This question evaluates communication, technical ownership, architectural reasoning, decision-making, and impact measurement competencies, and is categorized as Behavioral & Leadership with relevance to system design and product execution; it tests both conceptual understanding and practical application.

  RipplingSoftware EngineerBehavioral & LeadershipOnsite
• How would you scale rule evaluation?Easy

  This question tests your ability to design a high-throughput, rule-based processing engine that balances performance, scalability, and maintainability under high load.

  RipplingSoftware EngineerSystem DesignTechnical Screen
• Implement A Prioritized Task Scheduler With Parent DependenciesMedium

  Implement a task scheduler that manages parent-child task dependencies, applies custom multi-field tie-breaking priority rules, supports filtering, and handles dependency cycles.

  RipplingSoftware EngineerSoftware Engineering FundamentalsTechnical Screen
• Implement Article Vote TrackingMedium

  Design an in-memory article vote tracking system that manages user upvotes/downvotes, detects vote flips to maintain an LRU-style flip history per user, and provides top-k article rankings by net score.

  RipplingSoftware EngineerCoding & AlgorithmsTechnical Screen
• Implement Courier Delivery Cost TrackingMedium

  Design an in-memory billing system that tracks courier pay rates over time and calculates prorated delivery costs across half-open time intervals.

  RipplingSoftware EngineerCoding & AlgorithmsTechnical Screen
• Implement Food Delivery BillingMedium

  This problem tests your ability to implement complex billing logic involving conditional fee structures, time-based surcharges, and data aggregation.

  RipplingSoftware EngineerCoding & AlgorithmsOnsite
• Implement a RESTful Q&A serviceMedium

  This question evaluates a candidate's ability to design and implement a RESTful web service, covering HTTP API design, CRUD operations, data modeling and persistence choices, input validation, pagination/sorting, and basic testing and documentation practices.

  RipplingSoftware EngineerSoftware Engineering FundamentalsOnsite
• Implement a minimal local HTTP serverHard

  This question evaluates proficiency in network programming, HTTP/1.1 protocol parsing, concurrent server design, request routing and security (including path traversal protection), observability, testing, and graceful shutdown using only the language standard library.

  RipplingSoftware EngineerSoftware Engineering FundamentalsOnsite
• Implement an In-Memory File SystemMedium

  Design and implement an in-memory file system supporting directory creation, file appending, reading, and lexicographically sorted path listings.

  RipplingSoftware EngineerCoding & AlgorithmsOnsite
• Implement an article voting trackerEasy

  This question evaluates a candidate's ability to design efficient stateful data structures and algorithms for tracking user votes, including correct handling of idempotent repeated votes, vote changes, deduplication, and retrieval of the most recent events.

  RipplingSoftware EngineerCoding & AlgorithmsTechnical Screen
• Implement stack and interval algorithms with testsMedium

  This question evaluates implementation-level competencies with fundamental data structures and algorithms—stack-based bracket validation, interval merging with open/closed endpoint semantics, and arithmetic expression evaluation using stacks—while also measuring the ability to design comprehensive unit tests; category: Coding & Algorithms for a Machine Learning Engineer role. It is commonly asked to gauge practical coding ability, correctness under tricky edge cases and input semantics, and test-coverage awareness, representing a practical application-level assessment that also requires conceptual reasoning about invariants and boundary behavior.

  RipplingMachine Learning EngineerCoding & AlgorithmsOnsite
• Plan CI Build Job Order with Prerequisites, Urgency and FiltersMedium

  Order CI build jobs so that prerequisites come first, more urgent jobs go earlier, filtered-out jobs are skipped without breaking ordering through them, and jobs can be grouped into parallel waves. Tests Kahn's algorithm, deterministic tie-breaking, cycle reporting, and turning a detailed spec into code.

  RipplingSoftware EngineerSoftware Engineering FundamentalsTechnical Screen