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Freelance Problem solving Developer - Kazi Sohan
Freelance Problem solving Developer5.0 (148 reviews)

I love to teach what I know. I think I can explain things easily with examples. I have been working as a Software Engineer for the last 5 years and have worked with some of the world's most reputed companies like **Open AI, Scale AI, Doloras Lab**, etc as a freelancer.

Freelance Problem solving Developer - Abhishake Gupta
Freelance Problem solving Developer5.0 (128 reviews)

Modernizing systems across finance/trading, food-tech,aviation, e-commerce, and storage platforms. I am strongest in system design, performance tuning, and taking legacy services to stable, observable, scalable platforms on AWS. I have built data-heavy pipelines (including market data feeds / broker APIs) and shipped latency-critical improvements (e.g., reducing a sync flow from ~40 minutes to seconds with distributed caching). I like owning problems end-to-end: architecture, delivery, and production support. You may go through some of my projects here : **[https://abhishakegupta91.github.io/](https://abhishakegupta91.github.io/)**

Freelance Problem solving Developer - Pratik khanapukar
Freelance Problem solving Developer5.0 (2 reviews)

Having spent the last 7 years working as an Android developer, my passion lies in building elegant and responsive user experiences. During this time, I have worked with a wide range of organizations including start-ups, multinational companies, and government departments, and developed several front-end and back-end applications. I am also passionate about teaching what I have learned and inspiring the next generation of tech enthusiasts.

Freelance Problem solving Developer - Emmanuel Inyang
Freelance Problem solving Developer5.0 (7 reviews)

I am a highly skilled software engineer with 5 years of experience, proficient in transforming wireframes into MVPs, architecting scalable microservices, and developing single-page applications. My technical expertise includes backend technologies like FastAPI and Flask, frontend proficiency in React and Vue, testing excellence, and database management. Key strengths include problem-solving, attention to detail, and thriving in collaborative environments. I excel in team management, fostering growth and productivity, and mentoring team members. Currently seeking a full-time role to leverage my skills and contribute to an innovative organization, with a focus on leadership growth and professional advancement.

Freelance Problem solving Developer - Vladislav Ogir
Freelance Problem solving Developer

I design 𝐦𝐨𝐝𝐮𝐥𝐚𝐫, 𝐞𝐯𝐞𝐧𝐭-𝐝𝐫𝐢𝐯𝐞𝐧 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 that stay testable and adaptable as teams, products, and constraints scale. Most systems don’t slow down because engineers lack skill. They slow down because 𝐛𝐨𝐮𝐧𝐝𝐚𝐫𝐢𝐞𝐬, 𝐨𝐰𝐧𝐞𝐫𝐬𝐡𝐢𝐩, 𝐚𝐧𝐝 𝐟𝐞𝐞𝐝𝐛𝐚𝐜𝐤 𝐥𝐨𝐨𝐩𝐬 𝐬𝐭𝐨𝐩 𝐦𝐚𝐭𝐜𝐡𝐢𝐧𝐠 𝐫𝐞𝐚𝐥𝐢𝐭𝐲. My focus is on fixing that mismatch. I work across architecture and delivery to: \- 𝐞𝐬𝐭𝐚𝐛𝐥𝐢𝐬𝐡 𝐜𝐥𝐞𝐚𝐫 𝐦𝐨𝐝𝐮𝐥𝐞 𝐛𝐨𝐮𝐧𝐝𝐚𝐫𝐢𝐞𝐬 (𝐃𝐃𝐃, 𝐞𝐯𝐞𝐧𝐭𝐬, 𝐞𝐱𝐩𝐥𝐢𝐜𝐢𝐭 𝐢𝐧𝐭𝐞𝐫𝐟𝐚𝐜𝐞𝐬) \- 𝐫𝐞𝐝𝐮𝐜𝐞 𝐜𝐫𝐨𝐬𝐬-𝐭𝐞𝐚𝐦 𝐜𝐨𝐮𝐩𝐥𝐢𝐧𝐠 𝐚𝐧𝐝 𝐚𝐜𝐜𝐢𝐝𝐞𝐧𝐭𝐚𝐥 𝐜𝐨𝐦𝐩𝐥𝐞𝐱𝐢𝐭𝐲 \- 𝐬𝐡𝐨𝐫𝐭𝐞𝐧 𝐭𝐡𝐞 𝐩𝐚𝐭𝐡 𝐟𝐫𝐨𝐦 𝐢𝐝𝐞𝐚 → 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧 → 𝐥𝐞𝐚𝐫𝐧𝐢𝐧𝐠 In practice, this means shaping technical direction, mentoring engineers, and introducing patterns that 𝐦𝐮𝐥𝐭𝐢𝐩𝐥𝐲 𝐭𝐞𝐚𝐦 𝐭𝐡𝐫𝐨𝐮𝐠𝐡𝐩𝐮𝐭 𝐰𝐢𝐭𝐡𝐨𝐮𝐭 𝐜𝐞𝐧𝐭𝐫𝐚𝐥𝐢𝐬𝐢𝐧𝐠 𝐜𝐨𝐧𝐭𝐫𝐨𝐥. I regularly lead deep dives and workshops on topics like TDD, modular design, event-driven architectures, observability, and performance; not as theory, but as tools teams can apply immediately. I’ve spent most of my career in fast-scaling environments (from $0 to multi-million ARR), where architectural decisions compound quickly and undoing them later is expensive. My goal is to make those decisions explicit, reversible where possible, and aligned with how organisations actually grow.

Freelance Problem solving Developer - Dr Renu Garg
Freelance Problem solving Developer5.0 (86 reviews)

Experienced Professor with a demonstrated history of working in the higher education industry. Skilled in **Theory of Computation, Data Structures, Algorithms, C , C++ , Java Programming Languages and Research**. Strong education professional with a Doctor of Philosophy - PhD focused in Computer Science and Engineering.

Freelance Problem solving Developer - Aditia A. Pratama
Freelance Problem solving Developer5.0 (28 reviews)

I am Tech Programmer for web application and 3D animation projects. I have experience in developing blender add-on with python API, create automation for lighting and compositing setup. Also building web application for renderfarm and digital assets management. I often assist the team with technical problem solving and developing strategies that drive the team to succeed the projects and meet the deadline.

Freelance Problem solving Developer - Afaq Ahmed
Freelance Problem solving Developer4.9 (39 reviews)

Creative and energetic programmer with proven leadership skills and almost 10 years of progressive experience in developing, implementing, technical solutions for complex infrastructures and strategic planning for renowned software development companies.

Freelance Problem solving Developer - Vikas Gupta
Freelance Problem solving Developer

With my background in developing android application solutions and talent for creating aesthetically pleasing and highly functional mobile applications, I feel I am in a great position to make a positive impact on the Company. Having 9 years of proven industry experience in Advertising, FinTech, AgriTech, and Mobile Industries. Examples of my achievement include- * Help in scaling the Glance app to ~200 M Daily Active Users. * Successfully launch Glance App with multiple OEMs like - Samsung, Motorola, and realme. * Improve performance of the Paytm App from 7.95s to 2.49s (95 percentile). * Improved stability of the Paytm App by making crash-free users from 98.2% to 99.8%. * Have built the agri-tech mobile platform from scratch and deployed it in rural areas. * Collaborate with Samsung HQ Team for critical releases and part of Flagship mobile releases like S4, S5, S6, Note4, and Note5. * Worked on Research project and proof of concept. As a skilled professional with a Master of Technology Degree and a background in developing/maintaining scalable and performant applications, I am confident I will prove to be an asset to your organization.

Freelance Problem solving Developer - Precious Imoniakemu
Freelance Problem solving Developer

Software Engineer with 6+ years building scalable, cloud-native platforms for journalism, ed-tech, fintech, e-commerce and most recent medtech. Expert in Python/JavaScript ecosystems with proven ability to architect and deploy high-performance systems that drive measurable business impact. Specialized in API development, cloud infrastructure (AWS/GCP), and end-to-end product delivery.

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Frequently asked questions

How long do Problem solving projects normally take?

The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance Problem solving project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance Problem solving request on Codementor, check out our article.

How much does it cost to hire a freelance Problem solving developer?

We don’t charge anything when you post a freelance hiring request for Problem solving developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.

What makes Codementor Problem solving developers different?

We do a comprehensive technical and communications screen of all Problem solving developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing Problem solving developers’ user satisfaction rates.

What happens if I’m not happy with the freelancer’s work?

As a platform, we strive to ensure you’re always happy with your Problem solving project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.

For more answers to frequently asked questions, see here.

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