Data Structures and Algorithms (Java) tutors in postcode 110034

Hi, I'm Nasir — a 23-year-old Software Engineer at a leading fintech company.

Alongside my full-time job, I've been deeply passionate about Data Structures and Algorithms (DSA) in C++ since my college days. Over the years, I've dedicated countless hours to solving problems and honing my skills.

I've solved 1500+ problems on LeetCode and...

I have a deep interest in algorithms, data structures, and problem solving, which I’ve been consistently practicing through competitive programming for the past 4 years. Currently, I hold a rating of 1463 on CodeForces, 1901 (Top 4.3% globally) on LeetCode, and a 4-star rating on CodeChef.

I focus majorly on foundation of a subject. A building...

I am Rahul Sarkar (RUHAL), a young technology mentor and educator passionate about cybersecurity, AI, Linux, and practical computer skills. I specialize in making complex technical topics easy to understand for beginners and students, whether in Bangla, Hindi, or English. My teaching focuses on hands-on learning, ensuring that every student can...

I am a professional in development field and also teaching at university level which shows I relate to both academia and professional working field. I am more helpful in teaching any practical subject. I will give student exercises and implementation in real field so that students will learn more and will be capable to implement any kind of...

I have a deep passion for Data Structures & Algorithms and Artificial Intelligence/Machine Learning. What drives me most is the ability to simplify complex ideas and make them understandable for everyone. I believe true learning happens when we can explain concepts clearly and help others grasp them effortlessly. I constantly strive to improve my...

I am a passionate online programming tutor and competitive programmer with strong experience in teaching and mentoring students. I have been actively involved in competitive programming and currently serve as a Programming Mentor, where I guide junior students in Data Structures, Algorithms and problem-solving techniques. I focus on teaching...

I am a Computer Science and Engineering student at IIIT Dharwad with a strong interest in problem-solving, data structures, and system design. I enjoy breaking down complex problems into efficient and scalable solutions, primarily using C++.

I have solved more than 450 problems on LeetCode, over 100 problems on GeeksforGeeks, and more than 100...

Coding Achievements
∗ Codeforces,Accomplished Expert tag with rating 1700+, by securing rank 256 among 30k+ participants in Div3. profile
∗ CodeChef,Earned 5-star badge with max rating 2075 by standing at global rank18 among 26k+ participants. profile
∗ LeetCode,Ranked top 1% with a rating of 2200+, achieved ranks 340, 619, and 912 out of 36k+...

I am a competitive programmer who loves coding and teaching students. I have done over 3000 problems on various online coding platforms. I am also regular at giving contests, I am an expert at Codeforces, guardian at Leetcode and 4 star at Codechef. I have taught a whole batch of my juniors for 1 year and I would love to teach you too Data...

MCA graduate from Madan Mohan Malaviya University of Technology, Gorakhpur, with strong expertise in core Computer Science subjects including Database Management Systems, Computer Networks, Operating Systems, and Object-Oriented Programming. Proficient in C++, Java, and Data Structures & Algorithms, with a deep understanding of both theoretical...

A Python, SQL Server, MS Excel/ VBA, Access, Power BI, Kotlin geek for more than a decade now (What !!? Over 1/3 rd of my time so far on this planet punching keys).

Somewhere down the line I developed a penchant for teaching. So, I set sail on a journey as a corporate trainer (where I got the opportunity to rack the brains of my colleagues)....

I specialize in Python, statistical methods, and machine learning, holding a Master's degree in Mathematics and Statistics. My research has been featured in top NLP conferences, and I've achieved a world rank of 9 in an Advanced Python competition on Techgig. My passion lies in data and automation, employing skills in data analysis and web...

Hi, I’m Tharshith, a Software Engineer at EPAM Systems and a passionate instructor who enjoys mentoring students and aspiring developers. I specialize in Python, Data Structures & Algorithms, backend development, and Generative AI, and I bring real-world industry experience directly into my teaching.

I’ve worked on production-grade systems...

I’m Saiteja Konam, an Software Engineer and passionate educator dedicated to transforming learners into confident problem-solvers and real-world AI builders.

With deep expertise in Python, Data Structures & Algorithms, and Generative AI, I specialize in helping students and working professionals move beyond theory and build production-ready...

I am a Computer Science student with a strong foundation in problem-solving and programming, and I genuinely enjoy breaking complex concepts into simple, understandable ideas. Over the past few years, I’ve worked extensively with Python, SQL, Object-Oriented Programming, and web technologies like HTML and CSS, both in academic projects and...

My teaching style is simple, interactive, and student-focused. I explain concepts step by step using practical examples and encourage students to ask questions freely. I focus on building strong fundamentals, clearing doubts, and improving problem-solving skills through regular practice and personalized guidance.I can teach Mathematics, Science,...

I have 18 years of experience in software industry. I have build end to end products and have seen the full life cycle.
I have taught professionals, school/collage students.

I have helped some students placed in company with better profile and salary and some students in getting into IT industry.

I have hands on working experience in...

👨‍💻 About Me

💼 Software Engineer @ Product-Based Company
👨‍🏫 Founder of HappyCoder | Educator | Mentor

I’m a software engineer and educator focused on building strong problem-solving skills and real-world backend expertise. I specialize in teaching Python, JavaScript, Data Structures & Algorithms, Backend Development, System Design,...

I help students and early-career developers build real confidence in coding, not just solve problems mechanically.

Over the years, I’ve worked closely with learners who struggled with the same challenges — unclear fundamentals, fear of DSA, difficulty connecting theory with real systems, and confusion about what interviews actually test. My...

Hello! I am a B.Tech student specializing in Artificial Intelligence and Machine Learning with a strong interest in coding, problem-solving, and technology education. I teach Python, C programming, basic Data Structures & Algorithms (DSA), and Microsoft Office tools such as Word, Excel, and PowerPoint.

My teaching style is simple, practical,...