O(1) Coding Club

Closer to your AMBITIONS, a step at a time.

10,000 Students from 31 colleges have trusted us

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Beginner Friendly

Our programs are tailor made and are beginner friendly. We want all to prosper and none to be left behind.

Hands On

Create from your learning. We focus on hands on. We believe practical knowledge is as important as conceptual knowledge.

Keep it Simple

We believe in simplicity. Learning can be very simple if you have the right approach. Keep simple, learn more.

Domain Specialists

We got experts in each domain to make your learning smooth and get you equipped with the right skills, the right way.

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Company Referrals

1300+

Cracked Dream Companies

70+

Placed in Amazon

2000+

Students Placed

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Stories to Inspire

O1 Coding Club opened a new exciting world for me . Without their training it would never been that friendly or postive entrance into the world of coding that helped me to get this far . It had played a crucial role in my academic life and my first successful Placement . Thank you for your invaluable help , you have opened new horizons for me !

Vignesh Pathak

FSE @ Accenture

Back in my 2nd year, I was clueless about what skills were needed to be in a good company. Mentors at O(1) Coding Club showed me the path to follow to land a great job. What I understood was to trust the process and keep on enhancing my knowledge and expertise on the basics. If it weren't for O(1) coding club, I would've known this too late and might not have landed the job that I have now.

Rohit Doshi

SDE @ Amazon

CPL and various knowledge sessions helped me in my competitive coding and interview preparation.CPL was quite helpful as it helped to improve competitive coding in a funway and it also improved coding culture. It would help beginners to kickstart their coding journey. Various off-campus opportunities were also posted which can help to avoid missing on opportunities.

Pranav Manbhekar

Software Engineering at Fivetran

My first experience with O(1) coding club was from their first seminar and since then, I have nothing but good things to say. From their guidance relating to placements, both on and off campus,to their CPL, everything important was explained and helped in becoming better programmers. I was fortunate enough lead a team in CPL, and watching me, my classmates, and juniors improve every contest was a great experience.

Shrey Agrawal

Power Programmer at Infosys

I took part in Coding Premier League and multiple Competitive Coding Streak contests organised by O(1) Coding Club.Before attending those events I was not able to solve even very simplecoding problems on Codechef and Codeforces but after receiving proper guidance on resources and improving thought process for solving problems by O(1) Coding Club, I improved a lot in few months. None of the interviews I gave had gone without solving a coding problem, so I would suggest to improve your competitive coding skill if you are not good in it and I would highly recommend to be part of O(1) Coding Club and take active participation in various contests and sessions organized by them.

Sudhanshu Bhogal

SDE-T at Amazon

My preparation for Placements started with CPL organised by O(1) Coding Club.It was the best learning experience for me because it had coding problems of all levels, starting right from basics and going up to difficult problems to be solved in 2.5 - 3 hours. It made a good habit of solving problems on daily basis and helped us to have a grip on competitive coding questions. As far as the interviews are concerned, the videos uploaded by O(1) were very helpful particular to each company, where they told us what exactly do they expect and how to prepare for it. I would recommend to anyone who is looking for mentorship, guidance about placements, go for O(1).

Yavar Vazir

MTS at VMware

I attended the React.js workshop by O(1) Coding Club in Jan. It was a really informative, interactive and organized workshop.Everything was developed from scratch with proper stepwise explanation.I would highly recommend O(1) Workshops.

Rajat Bhanarkar

Data Engineer at Amazon

I am associated with O(1) coding club for a long time and gained a lot of knowledge regarding coding and placements through it. With the help of different sessions conducted by O(1) coding club, I was able to bag dream package placements with offers like SDE at Persistent Systems and SDE-T at ZS associates. O1 also helped me in my second year to bag summer internship at Microland Ltd. with their guidance. Coderun helped me a lot to prepare for the placement season.

Aditya Sharma

SE @ Akamai Tech

O(1) has guided us, gave us great tips for making resume and ways to crack off-campus opportunities

Nidhi Sharma

SD at Bank of New York Mellon

I started my interview preparation journey from the first seminar of O(1). Things were explained very well in detail, from tips and tricks for interviews to resources for DSA and core subjects.CPL was one of the highlights for me as I was able to improve my problem solving skills significantly. I would recommend O(1) to every fresher looking for mentorship, guidance and a productive atmosphere to learn and grow.

Akshay Mishra

Data Engineer @ Amazon

I participated in CPL organized by O(1) Coding Club in May 2020 and I was team leader of my team. As, CPL was a team game it not only helped me to enhance my codingskills but also helped me to understand- 1. How to collaboratively solve a problem as a team. 2. Other better approaches for the same problem that you find out after discussing with your team mates. I would highly recommend to participate in CPL contest organized by O(1) coding club.

Amarkumar Mishra

BackEnd Developer @ HackerEarth

I was a part of the O(1) Coding Club for the last 1 year where I participated in some of their initiatives like CPL, coderun and aptitude series. I got to learn in a competitive environment with like-minded students and improve DSA and CP skills. The coding question which I solved during the CodeRun program highly benefited me in all companies Online Assessment and Interview rounds.

Tejas Tapas

SDE @ ULA

I have been helped a lot from O(1) club! Right from the first seminar, we have been guided in almost everything related to placements. I started participating rigorously in CPL aore subjects. As a fresher guidance and resources helped me to learn and grow.

Sakshi Thakur

MTS @ VMware

The CPL helped me to maintain the speed and accuracy of problem-solving. Senior-Junior interaction was increased during these events. The Knowledge sessions were quite informative.

Vishal Kriplani

Software Engineer @ Fivetran

I started my interview preparation journey from the first seminar of O(1). Things were explained very well in detail, from tips and tricks for interviews to resources for DSA andin contest streaks which improved my coding skills due to which I could clear the off-campus coding test for a job opportunity at Bank Of New York in my 3rd year itself . So in a nutshell, O(1) club is a single point solution for complete placement guidance.

Bhumika Nagrecha

SD @ Bank of New York Mellon

O(1) Coding Club helped me achieve this opportunity. My mentors were always there to guide & train me. Initially I was not good at coding, I didn't even know what competitive coding is! All thanks to CodeRun program which helped me improve my coding skills and achieve a super dream job!

Monica Dholwani

SDE @ Fivetran

At first, I didn't know where to start so I talked to mentors in O(1), they helped me from the beginning till the time I got placed in a Dream company, and even after that. With the help of Coderun, I could set a target for every day to practice coding questions and track my progress which helped me find out my weak topics and suggest related questions for more practice. Also, I could secure the Runner up position in Top Women Coders of Regional Challenge by Capgemini by practicing coding questions in coderun.

Halry Bhalodia

SDE-T @ ZS Associates

So I joined the program called CodeRun conducted by the O(1) coding club, where we were provided with ladders of different levels and after every 3 days, we had doubt clearance sessions. What I understood was to trust the process and keep on enhancing your knowledge and expertise on the basics just combine this with a little bit of luck and you will also land a great job. Finally, I cleared the HackWithInfy and banged an offer for the role of power programmer. If it weren't for the O(1) coding club, I would've known this too late and might not have landed the job that I have now.

Ashwin Walunj

PP @ Infosys

Observing myself before & after doing Coderun with O(1) Coding Club, Now I am very confident. Now I know how exactly to proceed with a given problem. I would seriously recommend you to join the course. Coderun and the aptitude series helped a lot during the placement season.

Swaraj Chaudhari

FSE @ Accenture

O(1) coding club helped me alot to get focused and streamlined on what topics are important for each competitions/placement. Their personalised guidance and regular doubt sessions uplifted my problem solving skills and my confidence increased. Thank you O(1) coding club and specially Naman and Abhigyan sir to all your efforts in helping me to get such a wonderful placement. It was a great experience to learn and get inspired from you guys.

Atharva Upadhyay

PP @ Infosys

O1 Coding Club opened a new exciting world for me . Without their training it would never been that friendly or postive entrance into the world of coding that helped me to get this far . It had played a crucial role in my academic life and my first successful Placement . Thank you for your invaluable help , you have opened new horizons for me !

Vignesh Pathak

FSE @ Accenture

Back in my 2nd year, I was clueless about what skills were needed to be in a good company. Mentors at O(1) Coding Club showed me the path to follow to land a great job. What I understood was to trust the process and keep on enhancing my knowledge and expertise on the basics. If it weren't for O(1) coding club, I would've known this too late and might not have landed the job that I have now.

Rohit Doshi

SDE @ Amazon

CPL and various knowledge sessions helped me in my competitive coding and interview preparation.CPL was quite helpful as it helped to improve competitive coding in a funway and it also improved coding culture. It would help beginners to kickstart their coding journey. Various off-campus opportunities were also posted which can help to avoid missing on opportunities.

Pranav Manbhekar

Software Engineering at Fivetran

My first experience with O(1) coding club was from their first seminar and since then, I have nothing but good things to say. From their guidance relating to placements, both on and off campus,to their CPL, everything important was explained and helped in becoming better programmers. I was fortunate enough lead a team in CPL, and watching me, my classmates, and juniors improve every contest was a great experience.

Shrey Agrawal

Power Programmer at Infosys