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Top freelance System design developers available to hire

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Freelance System design Developer - Olajide Olanrewaju
Freelance System design Developer5.0 (320 reviews)
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I am a **Multi-talented** professional adept in **Full Stack Web Development**, **Web Security Research**, and **Robotics Engineering**. As a dedicated Web Security Researcher and ethical hacker, I uncover vulnerabilities and mitigate security risks, bridging the gap between development and cybersecurity. Additionally, as a Robotics Engineer, I design and build sophisticated robotic systems, applying my deep understanding of mechanics, electronics, and programming. Passionate about crafting clean, scalable code and innovative robotics solutions, I contribute to projects that prioritize both robust development, cybersecurity practices, and cutting-edge robotic technology.

Freelance System design Developer - Umair Jameel
Freelance System design Developer5.0 (18 reviews)

● AI Powered development using Javascript and its frameworks/libraries like Angular, React, Next.js, Express, Node, Express, mongodb, mongoose etc. ● AI agents, prompt engineering, RAG, MCP servers, vibe coding. ● Full stack development in next.js including frontend, backend and databases. ● Architecture projects from scratch as well as building new features in existing projects. ● Debug and fix errors in existing projects. ● Database architecture using mongodb, postgres, ORMs like prisma and drizzle. ● Implement the best practices of code structure, logic building and making code efficient. ● Follow pure Object Oriented Programming and Data Structures for solving problems. ● REST API development using node and its frameworks (mainly express). ● Know best practices of writing test cases (it includes unit testing and automation testing). ● Decision making in choosing programming languages, frameworks and libraries for a particular project. ● Good communication skills and understanding client requirements. ● Do research and development to stay up to date with new technologies and always keen to adopt better approaches in solving any kind of problem. ● Experience in CI/CD, docker, github actions etc. ● Teaching experience for over 5 years now. These are some projects I have worked on: https://learnwith.flashclass.io/ https://www.getconch.ai/ https://eahousing.es/ https://www.blackbox.ai/ https://unation.com/

Freelance System design Developer - Dan DiGangi
Freelance System design Developer

20 year software engineer, 10 years engineering manager. Extensive experience in Javascript/React for coding mentorship. Mentoring for 15 years a mix of technical, leadership, and professional skills. I do this for fun on the side so I don't charge much. https://www.dandigangi.com https://linkedin.com/in/dandigangi https://x.com/dandigangi

Freelance System design Developer - Suraj Chavda
Freelance System design Developer

● A results-oriented software professional with over 17 years of hands-on experience in architecture and development of web-based, stand-alone & distributed applications, encompassing Python, Java & .NET technologies. ● Experience in coaching engineers ranging from freshers to 20+ years of experience in the field of software. ● Proven track record of achieving goals while adapting to changing environments without compromising quality. ● Strong problem analysis and resolution skills coupled with effective leadership ensuring high output levels from the team members.

Freelance System design Developer - Fazal Ahmad
Freelance System design Developer

**Software Engineer** with **15+ years** of experience in **VBA, C#, .NET Core, ASP.NET, C++, Node.js**, and _AI-driven applications_. Skilled in **Agile methodologies**, including _Scrum-based delivery, sprint planning_, and _backlog management_ using tools like **Jira** and **Azure DevOps**. Expertise in **cloud computing** (_Azure_), **system architecture**, and **CI/CD pipelines**. Strong background in **Machine Learning (ML)**, **Natural Language Processing (NLP)**, and **Sentiment Analysis** using _Stanford NLP, Custom Corpus_, and _SentiWordNet-based models_. Proven track record in _optimizing performance, delivering scalable solutions_, and **leading cross-functional teams** toward high-impact outcomes. _Passionate about continuous learning and fostering engineering excellence._

Freelance System design Developer - Jason
Freelance System design Developer5.0 (181 reviews)

Experienced Engineering Manager with a robust background in cloud architecture, agile methodologies, artificial intelligence & automation. Adept at leading engineering teams to deliver high-quality software solutions, optimizing system performance, and fostering a culture of continuous improvement. Expert in scalable multi-application cloud based reliability engineering, debugging, security and uptime management.

Linux System AdministrationDesign PrinciplesRubyMySQLServerFacebookPostgreSQLLambdaElasticsearchJiraCode ReviewStrategyDynamoDBCloudWatchCloud9Adobe PhotoshopDocumentDBTradingViewIllustrationAPI GatewayCI/CDLinux Server AdministrationElasticacheJira/confluenceSite Reliability EngineeringCustomer CareSecurity softwareDevOpsAWS Cloud InfrastructureHTML/CSSPHPNode.jsGitMongoDBWordPressMeteorLinuxBashAPIShellHTTPUbuntuLoggingAzureVimHerokuGitHubNginxSSHAmazon EC2ProxyAmazon S3phpMyAdminCentOSMongooseMigrationVideo streamingMongoidDebianCloudSmartyUnderscore.jsSSL CertificateAmazonnpmReal-TimeYAMLCorsScalabilitycPanelPackagesGitLabBootstrapMongojsLodashUnderscoreGit branchIron RouterMemcacheVarnishHAProxyRed HatMeteoriteFirewalliptablesAuthPumaDockerUnicornReverse proxyEs6GSAPReactGit webhooksAmazon SESPhp fpmDeployGoogle Cloud PlatformAmazon SQSWiresharkGit pullrequestsMEAN.ioAmazon vpcFirewallsGitHub FlowSpdyReactiveData MigrationCacheBootstrap 3MEAN StackMEAN.jsAmazon RDSPhusion PassengerAws swfAWS Data PipelinesRHELJavaScriptGit flowLoad BalancingMintNginx 1.6Resource optimizationECMAScriptGit hooksViDigitalOceanInfrastructureGit pushAWS OpsWorksAmazon SNSHhvmProxyserverAmazon EBSpfSenseGit pullHttp cachingVim pluginAmazon RedshiftFedoraAshMemcached phpApache ConfigurationAmazon elbBSDPenetration toolsLive StreamingMongolabGh pagesWebminDeployment automationGit rebaseAtmosphereMeteor upDisaster recovery planningData Center OperationsWHMAWS CloudFrontAWS PoliciesAWS VPCBlazeSpacebarsAws sdkAWS DynamoDBFlow routerAmazon elastic beanstalkVim macrosVim scriptsGit commitAmazon linuxMeteor blazeAWS LambdaInfrastructure as CodeTLSOpenBSDBackendlessAWS IoTMeteor pubsubMeteor accountsAws sesAws snsMandrivaMinimongoAmiAmazon machine imageAws amiAmazon amiNmapMetasploitGIMPNetfilterMongoadminAWS EMRAws CodepipelineAws CodebuildAws iamBootstrap 4Financial DerivativesData parsingNew RelicRESTful APIWebsite migrationFinancial AnalysisApache HTTP ServerExpress.jsAWS+199
Freelance System design Developer - Brijesh Gupta
Freelance System design Developer5.0 (29 reviews)

Problem Solver,Regular coder , Mentor and a Self taught develor Having Extensive experience in DSA , Java , Spring Boot Micoservices and BIg Data Technologies like Spark,GCP, Cassandra,Kafka,Bq , Apache Hadoop etc. I have been working as DSA and Java Trainer for last 2 years and have trained more than 1000 students and professionals. Learning and Teaching is my passion so I offer discount rate for students and long term tutoring.

Freelance System design Developer - Olly Rennard
Freelance System design Developer5.0 (18 reviews)

Senior software engineer with 10 years of experience delivering scalable and high-impact systems, now bringing that expertise to AI-powered applications. Confident across the stack and fluent in Python, JavaScript, and TypeScript, with a strong grasp of cloud infrastructure and system design. Experience building solutions spanning modern LLM-based systems, deep learning, and classical machine learning, with a focus on integrating these capabilities into real products. Known for learning quickly, solving hard problems, and building pragmatic, reliable software. Right now I'm looking for my next adventure so feel free to reach out to me!

Freelance System design Developer - Kshitiz
Freelance System design Developer5.0 (10 reviews)

A seasoned software developer who worked with Amazon and has 6+ years of experience developing applications that scale efficiently and remain maintainable in the larger frame of the product lifecycle. Have built robust applications which have scaled from 500 to 21+ million users serving one of the biggest supply chains in the world. Have also delivered on projects of all sorts in Java and Python with companies like Samsung and Paytm as well as freelancing with multiple Silicon Valley startups. Also have mentored a lot of folks at all ages and levels in Data structures, Algorithms, Web development, System design, and programming languages like Python, Java, JS, Golang, etc. Come say Hi👋 First session is always on the house :) See if my teaching style really makes a difference in your journey or not

Freelance System design Developer - Sarthak Jain
Freelance System design Developer5.0 (7 reviews)

Have 5 years of professional experience in delivering quality softwares to customers. Currently working as an **SDE at Amazon**. _Most lines of code written in Java._ Enthusiastic about Data structures, Algorithms and System Design. Have good experience in making cloud enabled scalable applications. Have been writing code since 9 years now. Focus on building efficient and optimised softwares.

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Frequently asked questions

How long do System design 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 System design 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 System design request on Codementor, check out our article.

How much does it cost to hire a freelance System design developer?

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

We do a comprehensive technical and communications screen of all System design 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 System design 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 System design 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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