# Software Engineer 2
**Role:** Software Engineer · **Level:** P2
**Company:** [Fortinet](https://scaleengineer.com/companies/fortinet)
**Difficulty:** Medium to Hard
**Salary:** US$90000 - US$130000
**Experience:** 2 - 5
**Timeline:** ~14 days
This interview process is for a Software Engineer position at Fortinet, specifically for the P2 level. It is designed to assess a candidate's technical skills, problem-solving abilities, and cultural fit within the company.
Canonical: https://scaleengineer.com/interviews/fortinet/p2-software-engineer
---
## Overall evaluation

- Technical Skills
- Communication
- Behavioral and Cultural Fit

## Questions asked

- What are your strengths and weaknesses?
- Describe a time you faced a technical challenge and how you overcame it.
- How would you design a system for [specific problem, e.g., a real-time chat application]?
- Explain the difference between TCP and UDP.
- What is object-oriented programming?
- Tell me about a project you are particularly proud of.
- How do you handle tight deadlines?
- What are your career goals?
- Why are you interested in Fortinet?

## Preparation tips

### lists

- Review fundamental data structures and algorithms.
- Practice coding problems on platforms like LeetCode and HackerRank.
- Understand common software design patterns.
- Prepare for system design questions, especially for senior roles.
- Research Fortinet's products and company culture.
- Prepare examples for behavioral questions using the STAR method.
- Brush up on your chosen programming language's nuances.

### studyPlan

- {"title":"Data Structures and Algorithms","longDescription":"Weeks 1-2: Focus on core data structures (Arrays, Linked Lists, Trees, Graphs, Hash Tables) and algorithms (Sorting, Searching, Dynamic Programming, Greedy Algorithms). Practice implementing these in your preferred language. Understand time and space complexity (Big O notation).","shortDescription":"Weeks 1-2: Data Structures & Algorithms fundamentals. Big O notation."}
- {"title":"System Design","longDescription":"Weeks 3-4: Dive into system design concepts. Study topics like scalability, availability, reliability, databases (SQL vs. NoSQL), caching, load balancing, message queues, and microservices architecture. Practice designing common systems like a URL shortener or a social media feed.","shortDescription":"Weeks 3-4: System Design basics. Scalability, databases, caching."}
- {"title":"Behavioral Preparation","longDescription":"Week 5: Prepare for behavioral questions. Think about past projects and experiences that demonstrate leadership, teamwork, problem-solving, and handling conflict. Use the STAR method (Situation, Task, Action, Result) to structure your answers.","shortDescription":"Week 5: Behavioral questions preparation. STAR method."}
- {"title":"Company Research and Questions","longDescription":"Week 6: Review Fortinet's business, products, and recent news. Understand the company's mission and values. Prepare questions to ask the interviewer about the role, team, and company culture.","shortDescription":"Week 6: Company research and question preparation."}

## Location differences

- {"location":"USA","differences":{"tips":["For US roles, be prepared to discuss system design in detail.","For India roles, ensure a solid understanding of fundamental computer science concepts."],"interviewFocus":["Emphasis on distributed systems and scalability for US-based roles.","Strong focus on core data structures and algorithms for roles in India."],"commonQuestions":["Discuss a challenging project you worked on and how you overcame obstacles.","How do you approach debugging complex issues?","Describe your experience with cloud platforms (AWS, Azure, GCP)."]}}
- {"location":"India","differences":{"tips":["Highlight your ability to adapt to new technologies and methodologies.","Showcase your teamwork and communication skills."],"interviewFocus":["Balanced focus on technical depth and collaborative skills.","Assessment of adaptability to evolving project requirements."],"commonQuestions":["Tell me about a time you had to work with a difficult team member.","How do you stay updated with the latest technologies?","What are your thoughts on microservices architecture?"]}}

## Round 1: HR Screening Call
**Type:** HR Screening · **Difficulty:** Easy · **Duration:** 30 min
Initial screening to assess basic qualifications and cultural fit.
The initial HR screening call is to assess your overall fit for the role and the company. The recruiter will discuss your background, career aspirations, salary expectations, and availability. They will also provide an overview of the interview process and answer any initial questions you may have.
**Interviewers look for:** Good communication skills.; Basic technical aptitude.; Cultural fit and enthusiasm.
**Evaluation criteria:** Basic understanding of programming concepts.; Communication clarity.; Enthusiasm for the role.
**Common rejection reasons:** Inability to articulate thought process clearly.; Lack of fundamental programming knowledge.; Poor communication skills.
## Questions

- Tell me about yourself.
- What are your salary expectations?
- Why are you looking to leave your current role?
- What do you know about Fortinet?

## Preparation tips

- Be ready to discuss your resume in detail.
- Have your salary expectations clearly defined.
- Prepare questions about the role and company.
- Show enthusiasm and professionalism.

## Round 2: Coding Interview
**Type:** Technical Interview (Coding) · **Difficulty:** Medium · **Duration:** 45 min
Assess coding proficiency and problem-solving skills with data structures and algorithms.
This round focuses on your core programming skills. You will be asked to solve one or two coding problems, typically involving data structures and algorithms. The interviewer will assess your ability to understand the problem, devise an efficient solution, write clean code, and explain your approach.
**Interviewers look for:** Strong grasp of fundamental data structures and algorithms.; Ability to write clean, efficient, and bug-free code.; Logical thinking and problem-solving skills.; Clear communication of thought process.
**Evaluation criteria:** Correctness of the solution.; Efficiency of the solution (time and space complexity).; Code quality and readability.; Problem-solving approach.; Ability to explain the solution.
**Common rejection reasons:** Inability to solve basic coding problems.; Poor understanding of data structures and algorithms.; Code does not compile or has significant logical errors.; Difficulty explaining the approach.
## Questions

- Given an array of integers, return indices of the two numbers such that they add up to a specific target.
- Reverse a linked list.
- Find the kth smallest element in a binary search tree.

## Preparation tips

- Practice coding problems on platforms like LeetCode (Easy/Medium).
- Focus on common data structures (arrays, strings, linked lists, trees, hash maps) and algorithms (sorting, searching, recursion).
- Be prepared to explain your thought process step-by-step.
- Practice writing code on a whiteboard or a shared editor.

## Round 3: System Design Interview
**Type:** Technical Interview (System Design) · **Difficulty:** Hard · **Duration:** 60 min
Assess system design and architectural skills for scalable applications.
This round evaluates your ability to design and architect software systems. You'll be presented with a high-level problem and asked to design a system that meets specific requirements, considering factors like scalability, performance, and reliability. This often involves discussing databases, APIs, caching strategies, and trade-offs.
**Interviewers look for:** Experience in designing scalable and reliable systems.; Knowledge of various architectural patterns and technologies.; Ability to think critically about trade-offs.; Problem-solving skills in a distributed environment.
**Evaluation criteria:** Understanding of scalability, availability, and reliability.; Knowledge of distributed systems concepts.; Ability to design robust and efficient systems.; Trade-off analysis.; Clear communication of design decisions.
**Common rejection reasons:** Lack of understanding of system design principles.; Inability to handle scale or trade-offs.; Poorly designed architecture.; Difficulty explaining design choices.
## Questions

- Design a URL shortening service like Bitly.
- Design a system to count unique visitors to a website.
- How would you design a distributed cache?

## Preparation tips

- Study system design concepts: load balancing, caching, databases (SQL/NoSQL), message queues, microservices.
- Practice designing common systems (e.g., Twitter feed, URL shortener, chat application).
- Understand trade-offs between different design choices.
- Be prepared to draw diagrams and explain your reasoning.

## Round 4: Managerial Round
**Type:** Behavioral and Managerial Interview · **Difficulty:** Medium · **Duration:** 45 min
Assess behavioral competencies, teamwork, and alignment with company culture.
This interview focuses on your behavioral aspects and how you would fit into the team and company culture. The hiring manager will ask questions about your past experiences, how you handle challenges, your strengths and weaknesses, and your career aspirations. They want to understand your motivation and how you collaborate with others.
**Interviewers look for:** Ability to work effectively in a team.; Proactive attitude and ownership.; Alignment with Fortinet's values.; Growth mindset.
**Evaluation criteria:** Teamwork and collaboration skills.; Problem-solving approach.; Adaptability and learning agility.; Motivation and career goals.; Cultural fit with the team and company.
**Common rejection reasons:** Lack of alignment with team values.; Poor collaboration or communication.; Negative attitude.; Unrealistic expectations.
## Questions

- Tell me about a time you had a conflict with a coworker and how you resolved it.
- Describe a situation where you had to learn a new technology quickly.
- What are your long-term career goals?
- How do you prioritize your work when you have multiple tasks?

## Preparation tips

- Prepare examples using the STAR method for common behavioral questions.
- Reflect on your past experiences related to teamwork, conflict resolution, and leadership.
- Be honest and authentic in your responses.
- Show enthusiasm for the role and the company.