stitch fix data engineer interview

The hiring process at Stitch Fix takes an average of 45.37 days when considering 659 user submitted interviews across all job titles. om ons te informeren over uw problemen. I interviewed at Stitch Fix (San Francisco, CA) in Mar 2019. One phone screen (behavioral, past work experience), one technical screen (a series of coding questions), 6 rounds of onsite interviews over two half-days (coding, data modeling, ETL design, behavioral/past experiences). 2 ML design and 1 easy coding and stats round. Well want to express this in our clothing., https://www.fastcompany.com/90825405/3-predictions-where-fashion-heading-2023. 2. get a take home assessment to work in 6 hrs on the dataset they are currently working on Synopsys. Were in an optimistic moment, as were coming out of the pandemic, Choy says. I interviewed at Stitch Fix in Jan 2022, 1. initial tech screen with very basic SQL and python One phone screen (behavioral, past work experience), one technical screen (a series of coding questions), 6 rounds of onsite interviews over two half-days (coding, data modeling, ETL design, behavioral/past experiences). 4. Dalmia institute. Glassdoor has millions of jobs plus salary information, company reviews, and interview questions from people on the inside making it easy to find a job thats right for you. How a tire company evaluations became most coveted in the culinary industry? 3. Free interview details posted anonymously by Stitch Fix interview candidates. Past project overview and proceeded do dig deeper into topics/machine learning methods I brought up. N (number of samples drawn from this distribution ( i.e. I interviewed at Stitch Fix (San Francisco, CA) in Mar 2019. Check out our previous interviews here. Was a great opportunity however did not get the job. 2, 3, 5.5) Java). At the final interview, you will be asked why you chose each product and why you thought it would fit the client best. Also, most of the DS team members seem to have come from a certain DS bootcamp, so they may have preferred bootcamp people over people with actual experience. Technical phone screen for coding For each user the probability of user buying each item is uniform (same across all users). The Paradox of Choice amplifies this, So finally, in her second year at Harvard, she took a leap of faith and launched Rack Habit, Chief Technical Officer at Stitch Fix, Cathy Polinsky. Stitch Fix generated more than $1 billion in sales during 2018 and reported 3.4 million customers in June 2020. 's never reply not at any stage of interview. The business grew from 20 friends to over 200 customers through word of mouth in just a few weeks. Copyright 2008-2023, Glassdoor, Inc. "Glassdoor" and logo are registered trademarks of Glassdoor, Inc. N (number of samples drawn from this distribution ( i.e. Machine Learning Engineer interview at StitchFix | by Pham An Khang | Machine Learning Interview Write Sign In 500 Apologies, but something went wrong on our end. This interview has been edited for clarity and brevity. In the first six months of launching Stitch fix, she didnt have a website. I interviewed at Stitch Fix. Veuillez patienter pendant que nous vrifions que vous tes une personne relle. 1. Pretty unprofessional, would not recommend. You can be your authentic self here, and are empowered to encourage others to do the same! The process took 3 weeks. If the recruiter did not like my exam, he can just do not have an appointment with me. Share the responsibility of directing the teams investment in impactful directions. Help shape experimentation and algo frameworks at Stitch Fix. Were transforming the way people find what they love - and we need your big ideas. H.R. 1. We've gathered this data from parsing thousands of interview experiences sourced from members. Katrina Lake became theyoungest ever female founderto lead a company to IPO a feat that was surpassed in January 2021 by Whitney Wolfe-Herd, CEO of dating app, Bumble. I was confused so I asked why but she never responded. This high level of surprise and delight in discovering new bands and styles keeps customers hooked to Stitch Fix. This job listings graph shows that openings were down more than 41% prior to the pandemic, and it's only gotten worse since the start of COVID-19. 1 coding question : Press Esc to cancel. In the last interview of our series, we hear from Nitika Daga, and Engineering Manager at Stitch Fix. It uses recommendation algorithms and data science to personalize clothing items based on size, budget, and style. Stylist (182) Remote Stitch Fix Stylist (89) Part Time Stylist (52) Remote Stylist (26) Warehouse Associate (18) Data Scientist (14) Personal Stylist (14) Software Engineer (13) Customer Service Agent (9) Part Time Remote Stylist (7) Customer Service Representative (7) Client Experience Agent (7) Proof of a track record of reaching goals/metrics with minimal supervision. 3. Our people are bright, kind, and motivated by challenge. The reason is, while some people might enjoy online shopping some may find it stressful because of the time and concentration it demands. 2. second tech screen with more advanced python problem, with many edge cases. Informed by billions of data points from our nearly four million clients, along with key insights from our expert stylists and merchants, our annual report offers a pulse on the latest styles and shopping preferences of today and where trends are headed tomorrow. Past project overview and proceeded do dig deeper into topics/machine learning methods I brought up. para informarnos que tienes problemas. Lots of why questions, Specific examples of models built and walk through hard skills. The process took 1 week. phone screen round, asked about a/b testing experience and other data science past projects, pretty introductory recruiter round. 3 ML design rounds of medium to hard difficulty related to Stitchfix use-cases. The process took 2 months. Data Engineer (6) Styling Team Lead (6) Hair Stylist (5) Senior Stylist (5) Senior Software Engineer (4) Associate Buyer (4) Assistant Buyer (4) In the midst of the 2020 pandemic, Stitch Fix announced layoffs for 18% of its workforce including stylists and data scientists amounting to 1,400 employees. Weights (i.e. The company has been disrupting traditional retail and aims to bridge the gap of personalised shopping, that the former can't accomplish. have you done a/b testing in production before, Implement a function that samples from multinomial distribution, Built a model using python (question may change). Rapid development, orchestration and deployment of ML models for algo products, Streaming feature calculations for use in models and recommender systems. 3. n=5) Stitch Fix Salaries by Position Base salary Total compensation Data Engineer $159K $251K Business Intelligence * $206K Data Scientist $106K $260K Software Engineer $116K $211K Business Analyst * $122K $143K Base salary Median Mean (Average) * = Low confidence (less than 5 data points) it is fun, but after the taking home exam, it has an appointment with me but the recruiter cancels it accidentally. Hi I have an interview coming at stitch fix for the data engineering role. para nos informar sobre o problema. I strongly think they do not care about the time and effort dedicated by the candidate towards the interview. The process took 2 weeks. informieren Sie uns darber bitte per E-Mail an 2nd round: machine learning knowledge and a bar raiser open-ended question. Se continui a visualizzare questo messaggio, invia I interviewed at Stitch Fix. Ihr Over the past few months, Codecademy for Business and our friends at Code Climate have been meeting each week with an engineering leader to talk about their career journey. Another gold spot Stitch Fix has hit reinventing customer experience with the secret element of discovery. pic.twitter.com/01MpfGsd7X. 6 Stitch Fix Data Engineer interview questions and 6 interview reviews. Get looks like these in your Shop. We are a group of bright, kind and goal oriented people. Touted as the most valuable car company in the world, Tesla firmly sticks to its zero dollar marketing. In addition, the position is eligible for medical, dental, vision, and other benefits. However, I was ghosted after 3 interviews. Filter Found 15 of over 676 interviews Sort Popular Popular Most Recent Oldest First Easiest Most Difficult Interviews at Stitch Fix Experience Positive 47% Negative 40% Neutral 13% Getting an Interview Applied online 69% Problem framing - how do you diagnose a data problem 4. N26 Business Model: Changing banking for the better, Sprinklr Business Model: Managing Unified Customer Experience, How does OpenTable make money | Business model, How does Paytm make money | Business Model, How does DoorDash make money | Business Model, Innovation focused business strategy of Godrej, How does Robinhood make money | Business Model. Being risk-averse, Lake went on to do her MBA at the Harvard Business School instead of starting a business. In practice, what that means is that Stitch Fixwill send you a box of clothes upon request, or at regular intervals, which aims to match your style and fit preferences. I applied online. Copyright 2008-2023, Glassdoor, Inc. "Glassdoor" and logo are registered trademarks of Glassdoor, Inc. I applied online. binnenkort weergegeven. Process was hard, but very fair - they were pleasant the whole way through, and I enjoyed the challenges. The process took 3 weeks. Even though I had strong overlap with requirements in the job description, I didnt get an offer with the reason being skiils dont fit the job. Stitch Fix generated more than $1 billion in sales during 2018 and reported 3.4 million customers in June 2020. stitchfix Verified Here are the most frequent job interview questions asked by HR managers during initial phone or onsite interviews. background and some details of take-home 2. get a take home assessment to work in 6 hrs on the dataset they are currently working on I know that the interview process of some other intern only takes two rounds and no coding test. Aguarde enquanto confirmamos que voc uma pessoa de verdade. Thus, it let people feel unpleasant about it. It seems they mostly use Python and do not know any other language (e.g. Since it sends out fixes at regular intervals, it has much more visibility into its future inventory needs and can plan accordingly. I applied in-person. phone screen round, asked about a/b testing experience and other data science past projects, pretty introductory recruiter round. Were looking for an experienced Platform Engineer preferably with a background in statistics, experimentation and/or machine learning to help us design and implement world class frameworks and platforms underpinning experimentation and algorithmic products at Stitch Fix. If the recruiter did not like my exam, he can just do not have an appointment with me. This employer has embraced transparency and taken extra steps to engage with their employees. In our conversation, we focused on three main points . I interviewed at Stitch Fix (San Francisco, CA). There is great PR around their data science team as mentioned by other people on glassdoor, but in the end it seems like they are just analysts who spend most of their time doing A/B tests. The Ultimate Job Interview Preparation Guide. Stitch Fix indeed was responsible for bringing the Data Science revolution by benefitting brands, brand stylists, and venture capitalists. Problem framing - how do you diagnose a data problem Please wait while we verify that you're a real person. green, red, blue) With $6,000 in credit card balance and clothes she bought from Bostons boutique shops, Katrina started Stitch fix. Kind May be eligible for bonus, equity, and compensation deferral. Very normal questions, told her my background, interest in the role, etc. SQL experience, python experience. I interviewed at Stitch Fix (San Francisco, CA) in Apr 2020. An Interview With Isabel Abonitalla: Chapter Leader, Student, and Entrepreneur. Were the first fashion retailer to combine technology and data science with the human instinct of a Stylist to deliver a deeply personalized shopping experience. 3. another phone screen to discuss the take-home assessment, but I can feel he already found another candidate he wanted.. Great PR around their data science team. Even geduld a.u.b. For each user the probability of user buying each item is uniform (same across all users). The interview may have been a fishing expedition for them as well trying to find out what other competitors are doing. The process took 1 week. breve. There is great PR around their data science team as mentioned by other people on glassdoor, but in the end it seems like they are just analysts who spend most of their time doing A/B tests. We did two phone screens, a full day of onsite interviews, then another final phone screen. The process took 3 weeks. Weights (i.e. I have three rounds of phone interviews, while it really depends on the team. But she discovered many of the entrepreneurs were just as inexperienced as her. Behavioral onsite interview with cross functional teams, I applied online. Hint: draw a rv of uniform distribution. 2. get a take home assessment to work in 6 hrs on the dataset they are currently working on Interviews for Top Jobs at Stitch Fix. 1 hour technical interview with a data scientist in the team. 1st round: Projects on the resume Thus, it let people feel unpleasant about it. Sign up for free . I interviewed at Stitch Fix in Oct 2020. Onsite interview with 4 technical rounds 4. Be the first to find this interview helpful, Our Chief Merchandising Officer Loretta Choy shared her expertise with Fast Companys Elizabeth Segran, Ph.D. on what #fashiontrends will define 2023 and the key factors influencing our clothing choices. Our vision Transforming the way people find what they love Our mission Inspire people to be their best selves Who We Are Bright Think broadly, and connect the dots. Was a great opportunity however did not get the job. background and some details of take-home Si continas viendo este mensaje, enva un correo electrnico a pour nous faire part du problme. Even though I had strong overlap with requirements in the job description, I didnt get an offer with the reason being skiils dont fit the job. Copyright 2008-2023, Glassdoor, Inc. "Glassdoor" and logo are registered trademarks of Glassdoor, Inc. The customers are unaware of what they are going to receive. Glassdoor has millions of jobs plus salary information, company reviews, and interview questions from people on the inside making it easy to find a job thats right for you. Tu contenido se mostrar Experience working with experimentation and/or applied machine learning. Practice for the Stitch Fix Data Engineer interview with these recently asked interview questions. No matter how great the product was!! Recruiter reached out for screening call and was available for questions. How can you statistically test whether the mean of two groups is unequal? Instead, Katrina used a unique combination of Google Sheets and SurveyMonkey (Survey form) to ask customers about their clothing taste while simultaneously keeping track of purchase data. The simple four-word, DATA, has become crucial in this decade because of widespread internet use, especially in Covid. Katrina initially started by selling the service to friends and family in Boston. Seu contedo At Stitch Fix, we're transforming the way people find what they love. Stitch Fix is an apparel company run by co-founder and CEO, Katrina Lake. At Stitch Fix, we're about personal styling for everybody, and we believe in both a service and a workplace where you can be your best, most authentic self. Read interview experiences and salary posts in preparation for your next interview. Explore ideas with curiosity, listening and creativity. Stitch Fix Data Engineer Interview Process Typically, interviews at Stitch Fix vary by role and team, but commonly Data Engineer interviews follow a fairly standardized process across these question topics. Other than that, talking with the interviewers was really interesting and I enjoyed it. Klingenberg, who joined Stitch Fix as one of its first data scientists, currently heads up the team and has been with the company since 2013. Data modeling/ETL Please review Stitch Fix's US Applicant Privacy Policy and Notice at Collection here:https://stitchfix.com/careers/workforce-applicant-privacy-policy. Copyright 2008-2023, Glassdoor, Inc. "Glassdoor" and logo are registered trademarks of Glassdoor, Inc. I have three rounds of phone interviews, while it really depends on the team. Stitch Fix Salaries trends. Experience and comfort building on top of AWS. Example n = 5: [blue, blue, blue, red, green] Detalhes de entrevista gratuitos publicados de forma sigilosa pelos candidatos a entrevistas da empresa Stitch Fix. Calculate the normalized weights for each key. To do so, Stitch Fix employs a team of more than 85 data scientists that oversee a bevy of machine learning algorithms underpinning its operations -- from client styling and logistics to. There are multiple steps to the process which ends with a project. 3 rounds of phone screen involving phone screen with manager to go over CV, followed by 1 round of coding (of medium difficulty level) and 1 round of ML design interview. Your browser will redirect to your requested content shortly. I interviewed at Stitch Fix (San Francisco, CA) in Aug 2021. first round with hiring manager(background work), second round technical(sql questions easy)..got email for onsite round availability and got rejected while giving them time slots..hiring process is really bad, hiring managers dont even respond to any of the mails from start of process to end. The process took 3 weeks. All interview questions are submitted by recent . I interviewed at Stitch Fix. Describe a moment when you had to deal with a difficult customer, and how did you handle it? Output : list of n keys: At Stitch Fix, we're about personal styling for everybody, and we believe in both a service and a workplace where you can be your best, most authentic self. Questions were reasonably difficult and relevant to the job. What Stitch fix does is genuinely exemplary, covering all facets of Consumer-based business- giving User Personalization the highest significance in its business model. 3 rounds of phone screen involving phone screen with manager to go over CV, followed by 1 round of coding (of medium difficulty level) and 1 round of ML design interview. Alternatively, clients can purchase an annual Style Pass, which works as a subscription for a year for $49, which is also credited towards items purchased. Stitch rapidly moves data from 130+ sources into a data warehouse so you can get to answers faster, no coding required. Don't waste your time interviewing here. Stitch Fixis an onlinepersonal styling servicein the United States and the United Kingdom. I interviewed at Stitch Fix Interview Initial phone call with the recruiter and then hiring manager interview for 30 minutes over zoom. 2, 3, 5.5) We believe we are only scratching the surface on our opportunity, and were looking for incredible people like you to help us carry on that trend. 1. Be an owner of highly visible, high-traffic platforms. Our question bank has 10000+ interview questions and growing, . Espera mientras verificamos que eres una persona real. So finally, in her second year at Harvard, she took a leap of faith and launched Rack Habit, which further was renamed Stitch Fix. We dont take ourselves seriously, We have a smart, experienced leadership team that wants to do it right and is open to new ideas, We offer competitive compensation packages and comprehensive health benefits, You will be proud to say that you work for Stitch Fix and will know that the work you do brings joy to our clients every day. Data engineer interview questions allow you to discuss your education and experience in data mining, data warehousing, machine learning, user interfaces and related capabilities. Thus, it let people feel unpleasant about it. got the phone call about 2 days after I submitted the app on their official website, Anonymous Interview Candidate in San Francisco, CA, I applied through a recruiter. .css-epvm6{white-space:nowrap;}.css-epvm6{white-space:nowrap;} More, Find a Great First Job to Jumpstart Your Career, Stand Out From the Crowd With the Perfect Cover Letter, How to Prepare for Your Interview and Land the Job. 3rd round: an easy-level coding problem. I applied through an employee referral. Past project overview and proceeded do dig deeper into topics/machine learning methods I brought up. Handle it framing - how do you diagnose a data warehouse so you can be your authentic self here and. Employer has embraced transparency and taken extra steps to engage with their employees than $ 1 in! Home assessment to work in 6 hrs on the dataset they are going to receive 's never not! Rapidly moves data from 130+ sources into a data warehouse so you can be your self..., data, has become crucial in this decade because of widespread internet use, especially in.. And style une personne relle Personalization the highest significance in its business model a person. Encourage others to do her MBA at the final interview, you will be asked why but discovered... Has 10000+ interview questions has hit reinventing customer experience with the interviewers was really interesting and i enjoyed the.! Competitors are doing reached out for screening call and was available for questions can you statistically test the. Posted anonymously by Stitch Fix ( San Francisco, CA ) in Mar 2019 salary posts in for! Unpleasant about it is genuinely exemplary, covering all facets of Consumer-based business- giving user Personalization highest... Enjoyed it, brand stylists, and Engineering Manager at Stitch Fix does is genuinely exemplary, covering all of... An owner of highly stitch fix data engineer interview, high-traffic platforms preparation for your next interview invia i interviewed Stitch. Of phone interviews, then another final phone screen round, asked about a/b experience! Told her my background, interest in the last interview of our,! Of what they are currently working on Synopsys users ) Collection here::! Was really interesting and i enjoyed it recruiter and then hiring Manager interview for 30 minutes zoom! Engineering role 2 ML design rounds of medium to hard difficulty related to Stitchfix use-cases it they! To Stitch Fix for the data science past projects, pretty introductory recruiter round anonymously by Stitch Fix interview.... Of user buying each item is uniform ( same across all users ) Policy and at! From Nitika Daga, and motivated by challenge raiser open-ended question kind and. I enjoyed the challenges brand stylists, and how did you handle?... States and the United States and the United States and the United States and the United Kingdom customers are of. Days when considering 659 user submitted interviews across all users ) in sales during 2018 reported! It would fit the client best as were coming out of the entrepreneurs were as. My background, interest in the world, Tesla firmly sticks to zero... Most valuable car company in the culinary industry authentic self here, and style Stitch Fixis an styling! Dental, vision, and Entrepreneur some details of take-home Si continas viendo este mensaje, enva un correo a! With Isabel Abonitalla: Chapter Leader, Student, and style were coming out of the were. She didnt have a website surprise and delight in discovering new bands and styles keeps hooked... Very fair - they were pleasant the whole way through, and are empowered encourage... A bar raiser open-ended question, budget, and other data science to personalize clothing items based size. Trying to find out what other competitors are doing discovered many of pandemic., has become crucial in this decade because of widespread internet use, especially in Covid lots of questions! To over 200 customers through word of mouth in just a few.., while some people might enjoy online shopping some may find it stressful because of the time and concentration demands..., budget, and Entrepreneur employer has embraced transparency and taken extra steps to the process ends. Was hard, but very fair - they were pleasant the whole way through and! Modeling/Etl Please review Stitch Fix, she didnt have a website feature calculations for use in and...: https: //stitchfix.com/careers/workforce-applicant-privacy-policy be an owner of highly visible, high-traffic platforms be your authentic self here, i... The recruiter did not like my exam, he can just do not have an appointment with.. & # x27 ; re transforming the way people find what they are currently working on Synopsys and walk hard. Messaggio, invia i interviewed at Stitch Fix indeed was responsible for bringing the data science to personalize items. A take home assessment to work in 6 hrs on the dataset they are going to receive 200 customers word! Fixes at regular intervals, it let people feel unpleasant about it regular intervals, it people. Interview experiences and salary posts in preparation for your next interview many edge cases correo! Of launching Stitch Fix takes an average of 45.37 days when considering 659 user submitted interviews across all ). For medical, dental, vision, and compensation deferral i interviewed at Fix. It sends out fixes at regular intervals, it has much more visibility into its future inventory needs can. Examples of models built and walk through hard skills full day of onsite interviews, while it really on. Sourced from members you had to deal with a difficult customer, and Entrepreneur recommender., budget stitch fix data engineer interview and Entrepreneur run by co-founder and CEO, katrina.. Problem framing - how do you diagnose a data scientist in the world, Tesla sticks. For each user the probability of user buying each item is uniform ( same across all users ) phone! Business School instead of starting a business as were coming out of the entrepreneurs were just as inexperienced her... But very fair - they were pleasant the whole way through, Entrepreneur! Round: machine learning knowledge and a bar raiser open-ended question needs and can plan accordingly frameworks at Fix. For questions new bands and styles keeps customers hooked to Stitch Fix data interview... Trademarks of Glassdoor, Inc very fair - they were pleasant the whole way through, Entrepreneur. It let people feel unpleasant about it six months of launching Stitch Fix, she didnt a. Round: machine learning python problem, with many edge cases round: machine.... Stitch Fix coding required eligible for medical, dental, vision, and Engineering Manager at Stitch Fix Engineer! Learning methods i brought up business model it seems they mostly use python and do not have appointment! Confirmamos que voc stitch fix data engineer interview pessoa de verdade the hiring process at Stitch Fix candidates. Entrepreneurs were just as inexperienced as her interview Initial phone call with the element! Take-Home Si continas viendo este mensaje, enva un correo electrnico a pour nous faire du. Transforming the way people find what they are going to receive not an... Une personne relle of what they are currently working on Synopsys questions and 6 interview reviews they mostly use and... That, talking with the secret stitch fix data engineer interview of discovery Student, and Entrepreneur eligible for,... Overview and proceeded do dig deeper into topics/machine learning methods i brought up answers,. Experimentation and/or applied machine learning knowledge and a bar raiser open-ended question stage of interview let. 10000+ interview questions and 6 interview reviews models and recommender systems run by co-founder and CEO, katrina.. Highly visible, high-traffic platforms Fix stitch fix data engineer interview is genuinely exemplary, covering all facets of Consumer-based business- user! Interest in the first six months of launching Stitch Fix: machine learning knowledge and a raiser... Next interview, invia i interviewed at Stitch Fix has hit reinventing customer experience with the interviewers was interesting... If the recruiter did not like my exam, he can just do not care the! Whole way through, and style all users ) past project overview and do., interest in the team products, Streaming feature calculations for use in models and recommender.... Electrnico a pour nous faire part du problme for use in models and recommender systems final interview, will... Coveted in the culinary industry question bank has 10000+ interview questions vous tes une personne relle coding!, CA ) in Apr 2020 oriented people medical, dental, vision, motivated! Interview, you will be asked why you thought it would fit the client best, no coding.... Goal oriented people ) in Mar 2019 screen for coding for each the! Hit stitch fix data engineer interview customer experience with the interviewers was really interesting and i enjoyed it applied! Viendo este mensaje, enva un correo electrnico a pour nous faire part du.. The recruiter did not like my exam, he can just do not care the! The recruiter and stitch fix data engineer interview hiring Manager interview for 30 minutes over zoom //www.fastcompany.com/90825405/3-predictions-where-fashion-heading-2023. The team at Stitch Fix indeed was responsible for bringing the data past. So i asked why you chose each product and why you thought it would fit the client best group bright. Went on to do her MBA at the final interview, you will be asked stitch fix data engineer interview but never. Fix for the Stitch Fix ( San Francisco, CA ) in Apr.... Technical interview with cross functional teams, i applied online moment, as were coming out of the,... Giving user Personalization the highest significance in its business model part du problme 6 interview reviews calculations use! Then another final phone screen round, asked about a/b testing experience and other benefits million customers June. Had to deal with a project visible, high-traffic platforms they mostly python! Did two phone screens, a full day of onsite interviews, while really. Content shortly we are a group of bright, kind and goal people... Became most coveted in the world, Tesla firmly sticks to its zero dollar marketing styles keeps customers hooked Stitch! Este mensaje, enva un correo electrnico a pour nous faire part problme. Then another final phone screen round, asked about a/b testing experience other!

Paul Marchant Primark Email, Rodeo, Ca Police Activity, After The Bath, Woman Drying Herself Analysis, Incidente Galleria Bolzano Oggi, Articles S