TechnicalSenior
Design a News Feed Ranking System
Design a system to rank news feed items based on relevance, user preferences, and other factors.
O que treinar
Revise fundamentos, debugging e tomada de decisão técnica.
3 empresas
Ver detalhes
Trilha pública de Technical
Perguntas técnicas para entrevistas de software engineer
Encontre perguntas técnicas reais para revisar fundamentos, debugging, trade-offs e profundidade prática em entrevistas.
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Revise fundamentos, debugging e decisões técnicas.
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Technical
Perguntas para priorizar no seu treino agora
Esse recorte reúne perguntas públicas desse tipo para acelerar sua preparação com mais contexto e menos ruído.
TechnicalMid-level
Design a Parking Lot Management System
Design a parking lot management system using the coding language of your choice. The code is expected to be syntactically correct, although it will not be executed.
O que treinar
Revise fundamentos, debugging e tomada de decisão técnica.
3 empresas
Ver detalhes
TechnicalMid-level
Design an LLD of Splitwise
Design the low-level design (LLD) of a system like Splitwise, which allows users to track shared expenses and settle debts. The system should support features like adding expenses, splitting costs among users, and tracking balances.
O que treinar
Revise fundamentos, debugging e tomada de decisão técnica.
3 empresas
Ver detalhes
TechnicalSenior
Design a Restaurant Food Ordering Application
Design an app that allows users to browse restaurant menus, place food orders, and track delivery status in real-time.
O que treinar
Revise fundamentos, debugging e tomada de decisão técnica.
2 empresas
Ver detalhes
TechnicalMid-level
Design a Connect Four Game
Design the game Connect Four, focusing on the win logic. The system should determine when a player has won by connecting four of their pieces in a row, either horizontally, vertically, or diagonally.
O que treinar
Revise fundamentos, debugging e tomada de decisão técnica.
2 empresas
Ver detalhes
TechnicalMid-level
Design a Chess Game
Design a chess game system that allows players to make moves, validates legal moves according to chess rules, and tracks game state including check, checkmate, and stalemate conditions.
O que treinar
Revise fundamentos, debugging e tomada de decisão técnica.
2 empresas
Ver detalhes
TechnicalSenior
Design a Meeting Scheduler
Design a meeting scheduling system that allows users to create meetings, invite participants, check availability, and manage calendar conflicts.
O que treinar
Revise fundamentos, debugging e tomada de decisão técnica.
2 empresas
Ver detalhes
TechnicalStaff+
Design DoorDash
Design a food delivery platform that allows users to browse restaurants, place orders, and track deliveries in real-time, while enabling restaurants to manage their listings and orders.
O que treinar
Revise fundamentos, debugging e tomada de decisão técnica.
2 empresas
Ver detalhes
TechnicalStaff+
Past Project Technical Overview
Walk me through a significant technical project you've worked on in the past. Explain the technical challenges you faced, your approach to solving them, and what you learned from the experience.
O que treinar
Revise fundamentos, debugging e tomada de decisão técnica.
2 empresas
Ver detalhes
TechnicalMid-level
Design a key-value store
Design an in-memory key-value store that supports multiple data structures (sorted sets, lists, etc.) and can be configured with different eviction strategies like LRU, LFU, or TTL-based expiration.
O que treinar
Revise fundamentos, debugging e tomada de decisão técnica.
2 empresas
Ver detalhes
TechnicalSenior
What is the difference beetwen token and session authentication?
Pergunta compartilhada pela comunidade NaGringa para ajudar outros devs a se prepararem melhor para entrevistas técnicas.
O que treinar
Revise fundamentos, debugging e tomada de decisão técnica.
1 empresa
Ver detalhes
TechnicalMid-level
Markdown transpilation
Write a function that implements a subset of the markdown spec and transpiles an abstract syntax tree to a markdown string. Any language is allowed, but since it was for a frontend role, TS was more expected. A sample input as JSON is provided: const sampleInput = { tag: "document", content: [ { tag: "heading", content: ["Header"], }, { tag: "paragraph", content: [ "This is some normal text. Here is some ", { tag: "bold", content: ["bold text"], }, " and some ", { tag: "italic", content: ["italic text"], }, ".", ], }, { tag: "paragraph", content: ["This is a separate paragraph."], }, ], }; And the output must be: const sampleOutput = "# Header\n\nThis is some normal text. Here is some **bold text** and some _italic text_.\n\nThis is a separate paragraph.\n\n"; 20min was given to complete the challenge.
O que treinar
Revise fundamentos, debugging e tomada de decisão técnica.
1 empresa
Ver detalhes
TechnicalIntern
Implement a Special Type of Linked List
Implement a special type of linked list where each node has a value, hashValue (concatenation of previous node's value), and nextAddress. Create a Node class and a LinkedList class with methods to add values and validate the chain.
O que treinar
Revise fundamentos, debugging e tomada de decisão técnica.
1 empresa
Ver detalhes
TechnicalSenior
Design a People You May Know Service
Design a service that suggests people a user may know based on their connections, interests, and other relevant data.
O que treinar
Revise fundamentos, debugging e tomada de decisão técnica.
1 empresa
Ver detalhes
TechnicalStaff+
Design a Bot Post Detection ML Pipeline
Design a machine learning pipeline to detect bot-generated posts.
O que treinar
Revise fundamentos, debugging e tomada de decisão técnica.
1 empresa
Ver detalhes
TechnicalMid-level
Design an Ads Campaign for a 5-Minute Availability with Coupon
Design an advertising campaign system that handles time-sensitive promotions with 5-minute availability windows and coupon distribution. The system should manage campaign scheduling, real-time availability tracking, and coupon redemption.
O que treinar
Revise fundamentos, debugging e tomada de decisão técnica.
1 empresa
Ver detalhes
TechnicalMid-level
Design Nextdoor
Design a neighborhood social platform that allows neighbors to connect with each other, share and borrow resources, and stay updated on local community news and events.
O que treinar
Revise fundamentos, debugging e tomada de decisão técnica.
1 empresa
Ver detalhes
TechnicalSenior
Design a system to predict which users will attend Facebook events in the real-world?
Events can be private with an invite list (e.g., birthday dinner) or public with no invite list (e.g., concert), each having a page showing details, shareability, and RSVPs in four buckets (going/maybe/not_going/not_responded) where stated intent may not match actual attendance. Event pages also support comments, likes, photo posts, and shares, which can appear in the news feed and be interacted with via permalinks.
O que treinar
Revise fundamentos, debugging e tomada de decisão técnica.
1 empresa
Ver detalhes
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Recente
TechnicalSenior
What is the difference beetwen token and session authentication?
Pergunta compartilhada pela comunidade para ajudar no treino de entrevistas.
1 empresa
Recente
TechnicalMid-level
Markdown transpilation
Write a function that implements a subset of the markdown spec and transpiles an abstract syntax tree to a markdown string. Any language is allowed, but since it was for a frontend role, TS was more expected. A sample input as JSON is provided: const sampleInput = { tag: "document", content: [ { tag: "heading", content: ["Header"], }, { tag: "paragraph", content: [ "This is some normal text. Here is some ", { tag: "bold", content: ["bold text"], }, " and some ", { tag: "italic", content: ["italic text"], }, ".", ], }, { tag: "paragraph", content: ["This is a separate paragraph."], }, ], }; And the output must be: const sampleOutput = "# Header\n\nThis is some normal text. Here is some **bold text** and some _italic text_.\n\nThis is a separate paragraph.\n\n"; 20min was given to complete the challenge.
1 empresa
Recente
TechnicalIntern
Implement a Special Type of Linked List
Implement a special type of linked list where each node has a value, hashValue (concatenation of previous node's value), and nextAddress. Create a Node class and a LinkedList class with methods to add values and validate the chain.
1 empresa
Recente
TechnicalSenior
Design a People You May Know Service
Design a service that suggests people a user may know based on their connections, interests, and other relevant data.
1 empresa
Recente
TechnicalStaff+
Design a Bot Post Detection ML Pipeline
Design a machine learning pipeline to detect bot-generated posts.
1 empresa
Recente
TechnicalMid-level
Design an Ads Campaign for a 5-Minute Availability with Coupon
Design an advertising campaign system that handles time-sensitive promotions with 5-minute availability windows and coupon distribution. The system should manage campaign scheduling, real-time availability tracking, and coupon redemption.
1 empresa
Recente
TechnicalMid-level
Design Nextdoor
Design a neighborhood social platform that allows neighbors to connect with each other, share and borrow resources, and stay updated on local community news and events.
1 empresa
Recente
TechnicalSenior
Design a system to predict which users will attend Facebook events in the real-world?
Events can be private with an invite list (e.g., birthday dinner) or public with no invite list (e.g., concert), each having a page showing details, shareability, and RSVPs in four buckets (going/maybe/not_going/not_responded) where stated intent may not match actual attendance. Event pages also support comments, likes, photo posts, and shares, which can appear in the news feed and be interacted with via permalinks.
1 empresa
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