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I need help solving 2 coding challenges as part of an interview process, in Javascript and nodejs
Project ID: 40585979
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81 freelancers are bidding on average $29 USD for this job

Hello, I understand you're looking for assistance with two coding challenges in JavaScript and Node.js as part of an interview process. Tackling these challenges can be crucial for standing out in your interview, and I can help you craft robust solutions. To address this, I can help break down the problems into manageable parts and apply modern JavaScript practices. Using Node.js, we'll ensure that the solutions are efficient and maintainable. Whether it's asynchronous operations, API requests, or complex data manipulation, I can guide you through the logical approaches needed to solve these challenges effectively. Let's ensure your solutions not only work but also demonstrate a solid understanding of best practices in JavaScript and Node.js. I look forward to assisting you in showcasing your skills confidently. Best Regards, Khorshed Alam, RS Software
$20 USD in 2 days
8.0
8.0

Hi, I'm a senior developer with 20+ years of experience, Top Rated on Freelancer.com with 1,500+ completed projects and a 5-star record, and I've handled similar coding challenges before. I'll review the two challenges, break them down into clear steps, implement the solutions in JavaScript and Node.js, and validate the code with test cases. I'll ensure the solutions are clean, efficient, and match the expected output. If the requirements aren’t fully clear, I’ll ask for specifics before starting. I can start immediately.
$30 USD in 1 day
7.2
7.2

Hi, I’ve reviewed your coding challenge requirements carefully. We specialize in building clean, scalable and performance-focused solutions tailored to business goals , and for interview challenges, that means clear reasoning, efficient Programming, and readable Node.js execution. Based on your requirements, I can help you with: • A clear execution plan before starting each challenge • Clean and maintainable Coding with JavaScript and Node.js • Fast communication while we work through the problem constraints • A scalable structure if the solution needs tests, edge cases, or AngularJS-style logic organization Before we begin, I’d like to clarify a few points: 1. Could you share whether the interview platform permits collaborative guidance, or should I focus strictly on coaching your reasoning and solution approach? 2. Are these timed challenges, live-screen tasks, or take-home problems? 3. Do you need explanation notes alongside the final solution? Once I have this, I can confirm the exact approach and start immediately. Looking forward to working with you. Ahtesham Ahmed
$25 USD in 6 days
7.1
7.1

Happy to help you get through these two JavaScript/Node challenges — but I'd want to do it the way that actually helps you in the interview, which is making sure you can explain and defend the solutions yourself, not just hand you code you can't walk through. These challenges almost always test the same core areas — async handling (promises, async/await, event loop), data-structure manipulation, and clean edge-case handling — so my approach is to work through each one with you: talk through the approach and trade-offs, write clean, well-commented solutions together, cover the time/space complexity, and rehearse the follow-up questions an interviewer will likely ask. That way you go in genuinely able to reason about them. Send the two problem statements and any language/version constraints, and I can start right away.
$10 USD in 1 day
6.9
6.9

Hi, your "Javascript & NodeJs Coding Challenge Assistance" project is right in my wheelhouse. I build modern JavaScript apps end to end — React/Vue/Next on the front and Node/Express on the back, in TypeScript where it helps. Working with javascript, html5, node.js, angularjs, coding, programming, full stack development, backend development, I focus on responsive, fast UIs, clean component structure, and reliable APIs — no page-builder shortcuts. I can lock down the scope and key flows first, then ship in reviewable increments. Can we hop on a quick chat to align on your requirements? ⭐ 5.0/5 from a recent client: "They delivered the project well ahead of the committed delivery date. It was an experienced team, and I would be happy to hire them again." Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$27 USD in 1 day
6.6
6.6

Hi, I've solved similar interview-style challenges in Node.js where the key was writing clean, efficient code under time pressure while making the logic easy to follow. Last year I helped a candidate prepare for a full-stack test by building a small Express API that followed REST conventions, though I had to refactor the initial data validation approach. I'd approach this by focusing on readable, modular code that passes the tests first, then optimizes for clarity. The biggest improvement will come from keeping the solution simple and well-documented. I'll work in small steps and share the code for review before finalizing, so you can track progress and suggest adjustments. The goal is to get you past the coding challenge with a solution you can explain confidently. I can start right now. Thanks, Denis.
$30 USD in 1 day
6.1
6.1

Hi I know how these coding challenges are difficult but with 4 years experience in nodejs and solving different coding challenges I can help you with that. What are the coding challenges? Tell me as soon as possible.
$10 USD in 1 day
4.9
4.9

I can help you successfully complete the Javascript and NodeJs Coding Challenge Assistance project. I am a full stack developer with over five years of experience building scalable applications using Node. js and various Javascript frameworks. I have solved hundreds of algorithmic and back end challenges on platforms like LeetCode and HackerRank, making me well equipped to handle interview style assessments efficiently. I am deeply familiar with Node. js asynchronous patterns, API design, and data structures. I will work with you to ensure the code is clean, optimized, and follows best practices to impress your interviewers. Let me know when you are available to discuss the specific requirements and get started on these challenges immediately.
$30 USD in 1 day
4.8
4.8

As a seasoned technologist with a specialism in Backend Development, HTML5, and Node.js, I am well-equipped to aid you through this critical juncture of the interview process. My professional experience has not only honed my skills in coding, but as a former academic myself, I possess a unique capacity for understanding the thought processes behind coding challenges. Over the past two decades, I have carved a niche for myself by taking on challenging projects and delivering innovative solutions using cutting-edge technologies like Node.js. I have designed and implemented scalable backend architectures for various web and mobile applications - skills that will be invaluable when approaching your Javascript and Node.js coding challenges. Whether it's devising AI-powered voice agents or creating Machine Learning-based analytics platforms, my work as CTO of an AI startup has fostered my ability to think creatively and solve complex problems efficiently. By hiring me, you not only gain access to my extensive knowledge base but a partner in strategizing technical solutions that can impact your business positively. Let's tackle these challenges together!
$10 USD in 7 days
4.6
4.6

Hi, this looks like two focused JavaScript and Node.js interview challenges that need clean, correct solutions under pressure. I’ve helped with coding-test style problems before, especially where the key is writing concise logic, handling edge cases, and keeping the code easy to explain in an interview. My approach would be to solve each challenge step by step, verify the core algorithm first, then shape the Node.js implementation so it is readable and interview-ready. I’ll also make sure the final answers are easy to walk through if you need to discuss them live. If you’d like, I can help you get both solutions polished quickly. Best regards, Gabriel
$15 USD in 1 day
4.2
4.2

Hello! I'm thrilled to offer my immediate availability to assist you with the Javascript and NodeJs coding challenges for your interview process. I understand the importance of excelling in these challenges to secure your desired position. Here's how I can help: - I will provide clear explanations and step-by-step solutions for both Javascript and NodeJs challenges. - I will offer valuable insights on best practices and efficient coding techniques. - I have successfully tackled similar coding challenges in the past, ensuring a high level of expertise in this area. I am confident that my skills and experience align perfectly with your project needs. I look forward to discussing further details with you. Let's work together to ace these challenges!
$30 USD in 7 days
4.2
4.2

I run coding interviews and help candidates prep for Node.js and JavaScript rounds about monthly. Usually, the test is either a logic problem, API request/response, or async handling. I’ll walk you through the solution patterns, explain edge cases, and help you debug live if you get stuck. Send the first challenge and I’ll show how I’d approach it, with comments so you understand for the interview. If you have a time window for the test, mention it so I’m available. Pradeep
$20 USD in 7 days
4.3
4.3

Hi, I've reviewed your project and understand the coding challenges. With 10 years of experience in JavaScript and Node.js, I can efficiently solve the issues. My approach involves analyzing, proposing, and implementing clean solutions. I'll deliver on time and ensure thorough testing. Ready to start. Best regards, Praveen Kumar
$11.10 USD in 7 days
4.1
4.1

Hi there yeah I am expert in programming and I can help you ASAP Send me a message we'll discuss further Really looking forward to hearing from you Thank you
$20 USD in 1 day
4.3
4.3

I DON'T JUST WRITE CODE. I HELP YOU UNDERSTAND THE SOLUTION. Hello, I'm Jonas, a JavaScript and Node.js developer. Coding challenges are not only about getting the correct output. They test problem-solving, clean implementation, and understanding of the underlying concepts. I've worked with JavaScript, Node.js, APIs, and backend systems where writing clear and efficient code is important. First, I will review both challenges and understand the expected requirements. Then, I will develop clean solutions with proper logic and explanations. After that, I will test edge cases and verify the code behavior. Finally, I will explain the approach so you can confidently understand the solution. And I have a question, are these challenges focused more on algorithms/data structures, or are they related to real-world Node.js development tasks? My goal is to help you solve the challenges while improving your understanding of the techniques behind them. I hope we can work together.
$30 USD in 2 days
4.3
4.3

Hello, I can handle two coding challenges in JavaScript and Node.js efficiently while keeping the code clean and scalable. I recently solved a similar challenge for a backend role where I had to optimize a Node.js API to handle 1000+ requests per second with minimal latency. I'd approach this using modular JavaScript patterns because they keep the solution readable and reusable. The biggest improvement will come from breaking the problem into smaller, testable functions. I'll structure the code so you can easily review each part and understand the logic without digging through a single block. This ensures the solution meets the technical requirements without overcomplicating the implementation. If we're aligned, I'd be happy to share the completed code with explanations for each step. Thanks, Lazar.
$10 USD in 1 day
3.9
3.9

Hello there, I read your requirement carefully, and I can help you solve both JavaScript and Node.js coding challenges with clean, optimized, and interview ready solutions. I will also explain the logic and complexity so you can confidently discuss your approach during the interview. I have 10+ years of experience in JavaScript and Node.js, working on complex backend systems and problem solving. Could you please let me know if these are live interview questions or take home assignments? I am ready to start immediately. Thanks, Raghu
$15 USD in 7 days
3.9
3.9

Hi, I can help you solve both JavaScript and Node.js coding challenges with clean, interview-ready solutions. I'll focus on efficient logic, readable code, and explain the approach if needed. Experienced with JavaScript, Node.js, algorithms, and async programming. Share the challenges, and I'll get started right away. Best Regards, Muhammad Saad K
$20 USD in 7 days
3.8
3.8

Hi, I understand you need assistance with completing two JavaScript and Node.js coding challenges as part of an interview process, with solutions that demonstrate clear logic, proper implementation, and good development practices. I’m confident I can help you solve the challenges by analyzing the requirements, building clean solutions, and ensuring the code is easy to understand and maintain. I will review each challenge carefully, break down the expected behavior, implement the required logic using JavaScript and Node.js, and test the solutions against different scenarios to ensure correctness. I will focus on writing structured code, explaining the approach clearly, and avoiding unnecessary complexity so the final submission reflects strong programming fundamentals. I will focus on delivering accurate solutions, clear reasoning, and code that meets the challenge requirements. Once you share the challenge details and any submission guidelines, I can start working on them immediately. I look forward to hearing from you. Best Regards,
$30 USD in 1 day
3.5
3.5

Hello, I can help you understand and solve your JavaScript and Node.js coding challenges with clear, efficient, and well-structured solutions. I have experience with JavaScript, Node.js, backend logic, algorithms, and debugging. I will explain the approach, provide clean code, and help you prepare confidently for the interview process.
$90 USD in 1 day
3.6
3.6

Cape Town, South Africa
Member since Oct 28, 2025
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