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Top freelance Amazon S3 developers available to hire

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Freelance Amazon S3 Developer - uzair rahim
Freelance Amazon S3 Developer5.0 (57 reviews)

A **Team Lead**, and a **Senior Software Engineer (Full-Stack )** with **10 years** of experience. I have worked on all front-end frameworks **(Angular JS, Vue JS, React JS, JavaScript, jQuery)** with responsiveness **(Html5, CSS, bootstrap)** and back end including **PHP (Laravel /code igniter/ Yii framework , Python, Java)**, **Node JS** and **Server-less (AWS-Amplify)**, etc. Strong Programming and OOP concepts. I am really good at **Design Patterns**, databases **(MySQL, SQL Server, Mongo DB, GraphQL, Dynamo DB, PostgreSQL)**, and Data structures. Ability to handle and make advanced database queries and provide solutions for big data applications. Extensive knowledge to deploy code on **Linux-based servers** and **AWS**. I have also worked on CMS platforms like **WordPress** and **Magento**. I want to do/give something to the IT industry and to our young developers by sharing my skills and knowledge with them.

Freelance Amazon S3 Developer - Mark Nyon
Freelance Amazon S3 Developer5.0 (10 reviews)

I’m a Technical Lead and Full-Stack Developer with 17+ years of experience delivering robust web applications and SaaS platforms. I have led engineering teams through complex projects, balancing hands-on development with mentoring and process improvements to consistently meet aggressive deadlines. Notably, I helped scale infrastructure and improve performance for SaaS products used by tens of thousands of users. I excel at driving feature delivery end-to-end—whether implementing APIs, optimizing workflows, or guiding teams—as a dependable executor and problem solver.

Freelance Amazon S3 Developer - Sujith Neelakandan
Freelance Amazon S3 Developer

Sujith is a senior developer experienced in System design & Full stack development using Node & Python stack developing features in an AI powered Sales enabling platform. Few projects to highlight are: \- major feature development in an AI powered Sales enabling platform. This platform handles Full training for the Sales teams by creating personas, engaging in Sales calls, providing visual/tonal feedback. Worked with Langchain, Langgraph, CopilotKit, Python, Livekit/Hedra for enabling AI Avatars in meetings. \- major features development in an open source headless e-com platform (reaction-commerce) \- architecture, development and deployment of full stack video-on-demand platform on serverless ([sst.dev](http://sst.dev/) - Infra As Code) environment \- contribution to low-code SDK development. Please find my brief background below and more details / additional projects in the attached resume. \* Currently working as a Senior Developer with 8 years of recent experience in technical hands-on role. Prior to that experience in legacy tech and management roles. \* Experienced in System design & Full stack development using Node & Python stack (NodeJS, JavaScript, TypeScript, Python, MongoDB, PostgreSQL, React, NextJS, NestJS, Express, AWS, Docker). \* Experienced in building production grade apps/feature development in AI powered platforms using Langchain, Langgraph, CopilotKit, Python, Livekit. \* Development experience in eCommerce, AdTech, Analytics domains \* Worked extensively in startup, remote, distributed, async collaborative team setting.

Freelance Amazon S3 Developer - Carlos Aguilar
Freelance Amazon S3 Developer4.9 (67 reviews)

I’m a senior mobile + backend engineer with 20+ years in software (PHP since 2002; professional since 2005) and 10+ years building mobile apps. I help teams ship and stabilize real products—especially apps that are “almost done” but stuck on crashes, performance, flaky networking, or release blockers. What I can help you with (fast, practical): • iOS (Swift, SwiftUI, UIKit): crash fixes, performance/memory, concurrency issues, architecture cleanup • Flutter (iOS/Android/macOS): reliability, state consistency, networking/retry behavior, release readiness • Backend stability (PHP/Laravel or custom, Python/Django, Rails): idempotency, queues, DB performance, webhook safety • Firebase + mobile reliability: Auth/Firestore rules, Cloud Functions patterns, analytics/instrumentation • Monetization + shipping: RevenueCat/IAP reliability, App Store Connect/Play Console, CI/CD, rejection handling Recent work includes taking a messy iOS codebase (CakeClub) to production-ready with a Firebase Cloud Functions v2 backend, stronger security patterns, CI/release automation, and RevenueCat integration; and delivering major cross-platform Flutter work (BillBlaster) including design refinements, admin tooling, and push notification features. If you come with logs/screenshots (Crashlytics traces, network errors, repro steps), I’ll give you a clear diagnosis and a prioritized fix plan—and if it makes sense, I can execute the fixes as a focused sprint.

Freelance Amazon S3 Developer - Varun Jewalikar
Freelance Amazon S3 Developer5.0 (64 reviews)

Hi! I love Java, Python, Javascript, distributed systems, large scale systems, machine learning, natural language processing and image processing. My work has been featured on the AWS blog (https://tinyurl.com/chaosrunner), The Guardian (https://tinyurl.com/topvocab) , Billboard.com (https://tinyurl.com/topprofane) and other print/digital publications. I also own Amazon's chaos testing framework called AWSSSMChaosRunner (https://github.com/amzn/awsssmchaosrunner). I am a Senior Engineer at Amazon's Prime Video and have worked on scaling backend systems to millions of transactions-per-second, utilising various cloud technologies and primarily working with Java, Kotlin and Javascript. This involves image/audio/text processing systems, creating & managing databases/APIs for mobile/web applications and everything in between. I have 15yrs+ experience with backend engineering, cloud tech, nlp, signal processing and image processing. I can help you with any of these topics. I also love hackdays and have attended 20 hackdays in Europe in the last couple of years and collaborated with beginners/experienced developers on different kinds of projects. Thanks for reading and hope to talk to you soon!

Freelance Amazon S3 Developer - Albert Li
Freelance Amazon S3 Developer5.0 (12 reviews)

I’m an experienced software engineer with many years in the industry, including time at Google. I have strong expertise in Java, Python, and AWS, and I enjoy solving complex problems. I focus on building the right solutions, simplifying systems, and reducing complexity and cost. I’m looking to work on projects where I can use my skills and problem-solving mindset to create efficient and scalable software.

Freelance Amazon S3 Developer - Ruslan Konviser
Freelance Amazon S3 Developer5.0 (4 reviews)

- **20+ years of professional experience** - **16+ years on leading roles: CEO/CTO/VP R&D/Software Architect/Tech Lead/etc** - **15+ years with .NET / C#** - **10+ years with JavaScript** - **5+ years with NodeJS / TypeScript** Currently, I am a Chief Software Architect at the following large and popular open-source projects (built by my own IT agency https://ever.tech): - https://github.com/ever-co/ever-demand (e-commerce) - https://github.com/ever-co/ever-gauzy (ERP/CRM/HRM) **My experience and skills** - Web, Mobile & Distributed Software development using .NET / .NET Core / ASP.NET MVC / ASP.NET Core / WebAPI / WCF, NodeJS, TypeScript and JavaScript (Angular, Vue, React, BackboneJs, jQuery, KnockoutJS, etc) - NoSQL & SQL DBs (MS SQL / MySQL / PostgreSQL / MongoDb / etc) - Kafka / RabbitMQ / MSMQ, ElasticSearch - AWS & Azure Clouds - DevOps (Docker, Ansible, TeamCity, etc) - micro-services and serverless - Linux & Windows - Agile Team & Project Management, Scrum, and more! I manage to get a 5-star 100% rating at Upwork, an EXPERT-VETTED (TOP 1%) freelancer with revenue $800K+! Currently also running my own EXPERT-VETTED Agency @ Upwork with 20+ software engineers and designers... **Try me and you will not be disappointed 100%!**

Freelance Amazon S3 Developer - Kumaran P
Freelance Amazon S3 Developer5.0 (4 reviews)

I'm an avid developer who encourages **Learn and share** methodology. I always believe that _sharable knowledge is worth_. I've _visited various colleges and university to train students for their placements and higher studies_. The timer won't start until I understand the issue/request completely and if I cant fix the issue will refund the money completely.

Freelance Amazon S3 Developer - Michael Fahmy
Freelance Amazon S3 Developer

With over 8 years of experience, I specialize in solving the most complex backend challenges for SaaS platforms. If you're struggling with slow APIs, database bottlenecks, or an unreliable cloud setup, I can help you diagnose the root cause and implement scalable solutions. My core focus is on performance and reliability. I've reduced 4+ hour bulk operations to 45 minutes, built search systems for over 50 million records, and cut observability costs by 70% while improving system insight. My expertise covers deep performance tuning in Ruby on Rails, database optimization (PostgreSQL/Redis), and building automated, production-grade infrastructure on AWS with Terraform and GitHub Actions. Whether you need a quick debugging session, an architectural review, or long-term mentorship, I'm here to help you build fast, stable, and maintainable software.

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Frequently asked questions

How long do Amazon S3 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 Amazon S3 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 Amazon S3 request on Codementor, check out our article.

How much does it cost to hire a freelance Amazon S3 developer?

We don’t charge anything when you post a freelance hiring request for Amazon S3 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 Amazon S3 developers different?

We do a comprehensive technical and communications screen of all Amazon S3 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 Amazon S3 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 Amazon S3 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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