# Software Engineer
**Role:** Software Engineer · **Level:** L1
**Company:** [Societe Generale](https://scaleengineer.com/companies/societe-generale)
**Difficulty:** Medium
**Salary:** US$60000 - US$75000
**Experience:** 0 - 2
**Timeline:** ~7 days
This interview process is for a Software Engineer (L1) role at Societe Generale. It aims to assess foundational technical skills, problem-solving abilities, and cultural fit.
Canonical: https://scaleengineer.com/interviews/societe-generale/l1-software-engineer
---
## Overall evaluation

- Technical Aptitude
- Communication and Soft Skills
- Professionalism and Potential

## Questions asked

- Can you explain the difference between a process and a thread?
- What is a deadlock and how can it be prevented?
- Describe a situation where you had to debug a complex piece of code. How did you approach it?
- Write a function to reverse a string.
- Explain the concept of polymorphism with an example.
- How would you design a simple URL shortener?
- Tell me about a time you failed. What did you learn from it?
- What are your strengths and weaknesses as a software engineer?
- Why are you interested in working at Societe Generale?

## Preparation tips

### lists

- Review fundamental computer science concepts (data structures, algorithms, operating systems, databases).
- Practice coding problems on platforms like LeetCode or HackerRank, focusing on easy to medium difficulty.
- Understand the basics of object-oriented programming and design patterns.
- Research Societe Generale's business, values, and recent projects.
- Prepare to discuss your resume in detail, highlighting relevant projects and experiences.
- Practice behavioral questions using the STAR method (Situation, Task, Action, Result).
- Be ready to ask thoughtful questions about the role, team, and company.

### studyPlan

- {"title":"Data Structures Fundamentals","longDescription":"Week 1: Focus on core data structures (arrays, linked lists, stacks, queues, trees, graphs) and their common operations and time complexities. Practice basic algorithm problems related to these structures.","shortDescription":"Week 1: Data Structures (Arrays, Lists, Stacks, Queues, Trees, Graphs) & basic algorithms."}
- {"title":"Algorithm Mastery","longDescription":"Week 2: Dive into algorithms such as sorting (bubble, merge, quick), searching (binary search), recursion, and dynamic programming. Solve problems that require applying these algorithms.","shortDescription":"Week 2: Algorithms (Sorting, Searching, Recursion, DP) & problem-solving."}
- {"title":"Programming Paradigms and Design","longDescription":"Week 3: Understand Object-Oriented Programming (OOP) principles (encapsulation, inheritance, polymorphism, abstraction) and common design patterns (e.g., Singleton, Factory, Observer). Review basic database concepts (SQL, relational databases).","shortDescription":"Week 3: OOP Principles, Design Patterns, Basic Database Concepts."}
- {"title":"Behavioral and Company Preparation","longDescription":"Week 4: Prepare for behavioral questions by reflecting on past experiences. Use the STAR method to structure your answers. Research Societe Generale and prepare questions to ask the interviewer.","shortDescription":"Week 4: Behavioral Questions (STAR method), Company Research, Question Preparation."}

## Location differences

- {"location":"Paris","differences":{"tips":["Research Societe Generale's presence and projects in this specific region.","Be prepared to discuss your understanding of the local tech ecosystem.","Practice articulating your thoughts clearly in the primary language of the office."],"interviewFocus":["Adaptability to local work culture","Communication skills in the local language","Understanding of local market trends"],"commonQuestions":["Tell me about a challenging project you worked on.","How do you handle tight deadlines?","Describe a time you disagreed with a teammate."]}}
- {"location":"London","differences":{"tips":["Brush up on fundamental data structures and algorithms.","Be ready to explain your thought process when solving coding problems.","Prepare examples of how you've contributed to team success."],"interviewFocus":["Technical proficiency in core programming concepts","Problem-solving approach","Teamwork and collaboration"],"commonQuestions":["What are your thoughts on Agile methodologies?","How do you approach debugging complex issues?","Can you explain the concept of object-oriented programming?"]}}
- {"location":"New York","differences":{"tips":["Review common Git commands and workflows.","Think about how you contribute to maintaining high-quality code.","Articulate your long-term career goals and how this role fits in."],"interviewFocus":["Familiarity with development tools and practices","Growth potential and learning attitude","Alignment with Societe Generale's values"],"commonQuestions":["Describe your experience with version control systems like Git.","How do you ensure code quality?","What are your career aspirations?"]}}

## Round 1: HR Introduction
**Type:** HR Screening · **Difficulty:** Easy · **Duration:** 30 min
HR call to assess basic fit and motivation.
This initial round is conducted by an HR representative to understand your background, motivation for applying, and general fit with Societe Generale's culture. They will ask about your resume, career aspirations, and why you are interested in this specific role and company. It's also an opportunity for you to ask initial questions about the company and the role.
**Interviewers look for:** Clear communication.; Basic problem-solving skills.; Positive attitude.
**Evaluation criteria:** Basic understanding of programming concepts.; Ability to follow instructions.; Enthusiasm for the role.
**Common rejection reasons:** Inability to articulate thought process clearly.; Lack of fundamental programming knowledge.; Poor problem-solving approach.
## Questions

- Tell me about yourself.
- Why Societe Generale?
- What are your strengths and weaknesses?
- Where do you see yourself in 5 years?

## Preparation tips

- Review your resume and be prepared to discuss each point.
- Research Societe Generale's mission, values, and recent news.
- Prepare answers to common behavioral questions.
- Think about why you want to work in the finance industry.
- Have a few questions ready to ask the interviewer.

## Round 2: Technical Coding Assessment
**Type:** Technical Interview (Coding) · **Difficulty:** Medium · **Duration:** 45 min
Coding challenge to evaluate problem-solving and algorithm skills.
This is a technical interview focused on assessing your core programming skills. You will likely be asked to solve one or two coding problems, often involving data structures and algorithms. The interviewer will observe how you approach the problem, write code, test it, and explain your thought process. Be prepared to discuss time and space complexity.
**Interviewers look for:** Logical thinking.; Problem-solving skills.; Coding proficiency.; Ability to communicate technical ideas.
**Evaluation criteria:** Correctness of the code.; Efficiency of the solution (time and space complexity).; Ability to explain the approach.; Handling of edge cases.; Understanding of data structures and algorithms.
**Common rejection reasons:** Incorrect or inefficient code.; Inability to explain the logic behind the solution.; Not handling edge cases.; Poor time complexity.
## Questions

- Given an array of integers, return indices of the two numbers such that they add up to a specific target.
- Implement a function to check if a binary tree is a Binary Search Tree (BST).
- Find the kth smallest element in an unsorted array.

## Preparation tips

- Practice coding problems on platforms like LeetCode, HackerRank, or Coderbyte.
- Focus on common data structures (arrays, linked lists, trees, hash maps) and algorithms (sorting, searching, recursion).
- Understand Big O notation for time and space complexity.
- Practice explaining your code and thought process out loud.
- Be prepared to write code on a whiteboard or in a shared editor.

## Round 3: System Design Fundamentals
**Type:** Technical Interview (System Design) · **Difficulty:** Medium · **Duration:** 45 min
Design a simple system or component.
This round assesses your ability to design software systems. For an L1 role, this might be a simpler design problem or focus on understanding components of larger systems. You'll be expected to discuss trade-offs, scalability, and reliability. Topics might include database choices, API design, caching strategies, and load balancing.
**Interviewers look for:** Ability to think at a higher level.; Understanding of distributed systems.; Pragmatic approach to problem-solving.; Ability to handle ambiguity.
**Evaluation criteria:** Understanding of system design concepts.; Ability to design scalable and reliable systems.; Consideration of trade-offs.; Knowledge of databases, caching, load balancing, etc.; Communication of design choices.
**Common rejection reasons:** Lack of understanding of system design principles.; Inability to scale solutions.; Poor trade-off analysis.; Not considering non-functional requirements.
## Questions

- Design a basic rate limiter.
- How would you design a system to count the number of unique visitors to a website?

## Preparation tips

- Study common system design concepts (e.g., microservices, APIs, databases, caching, load balancing).
- Read about system design case studies.
- Practice designing simple systems like a URL shortener or a Twitter feed.
- Understand the trade-offs associated with different design choices.
- Be prepared to draw diagrams to illustrate your design.

## Round 4: Hiring Manager Discussion
**Type:** Managerial / Behavioral Interview · **Difficulty:** Easy · **Duration:** 30 min
Discuss teamwork, culture fit, and career goals with the hiring manager.
This final round is typically with the hiring manager. They will focus on your overall fit within the team and the company. Expect more behavioral questions, discussions about your career goals, and how you handle challenges. This is also your chance to ask in-depth questions about the team's projects, work culture, and opportunities for growth.
**Interviewers look for:** Positive attitude.; Team player mentality.; Alignment with company culture.; Growth mindset.
**Evaluation criteria:** Teamwork and collaboration skills.; Problem-solving approach in a team context.; Cultural fit.; Motivation and career goals.; Communication skills.
**Common rejection reasons:** Poor attitude or lack of enthusiasm.; Inability to work in a team.; Lack of alignment with company values.; Unrealistic salary expectations.
## Questions

- Describe a time you had to work with a difficult colleague. How did you handle it?
- What kind of work environment do you thrive in?
- What are your expectations for this role?

## Preparation tips

- Reiterate your interest in the role and company.
- Prepare specific examples of teamwork and problem-solving.
- Be ready to discuss your career aspirations and how this role aligns with them.
- Ask thoughtful questions about the team dynamics, projects, and day-to-day responsibilities.
- Ensure your salary expectations are aligned with the role and your experience.