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Freelance System Administration Developer - Adrian Segui
Freelance System Administration Developer5.0 (233 reviews)

Working in the IT sector for more than 10 years. With over 10 -years of freelancing and professional experience taught me all kinds of frameworks and languages, ranging from React, Angular, Vue, Node js, Express js, React Native, Redux, Rx JS, JavaScript, Typescript, WordPress, PHP, MySQL, MongoDB, Firebase, Sqlite, Postgresql, ES5+, Python3, Machine Learning, Deep Learning, RNN, CNN, Android Java/Kotlin, iOS Swift/SwiftUI, C/C#/C++, .Net, Assembly, VBA, VB, Excel Macro, Java, Spring Boot Micro-services, Zoho, Salesforce, Hubspot, R, Shiny, STATA, MATLAB, Google Sheet, App Script, Bubble io, etc. Over my long career, I have come across all kinds of challenges and gained vast experience with different kinds of industries like portals, medical industry, perception exercise, employee management, etc. I have good experience with frontend development using React JS along with Typescript, Firebase, GraphQL, React Native, Native Script, React, Material UI, Ionic, Node.js, Web Sockets, and real-time communication. I have also worked on containerization technologies like Kubernetes, Docker, AWS, GCP, Azure etc. I am very good with backend technologies as well like Java Spring boot, Microservices, MySQL, Postgres, Elasticsearch, AWS/Google integration. Please contact me to get the result done in a professional way.

Freelance System Administration Developer - Olajide Olanrewaju
Freelance System Administration Developer5.0 (379 reviews)

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 Administration Developer - Shahar "Dawn" Or
Freelance System Administration Developer4.9 (16 reviews)

Apparently, spending most of my time on unpaid contribution to an open source ecosystem does not pay the bills. Who'd have figured! So, if you're interested in learning more about Nix/NixOS or are just getting started or even looking to learn a bit about it to see whether you'd like to get into it; I'm your man. I've been using (and sometimes abusing) Nix daily since 2021. I do [the Full Time Nix podcast](https://fulltimenix.com), which is a podcast all about Nix since 2024. I hope you enjoy it! I also do [The Molybdenum Software Show](https://molybdenum.software), in which—together with friends—I contribute to the open source Nix software ecosystem. Follow that link for hundreds of hours of that. And [here's my GitHub profile](https://github.com/mightyiam), in case you wanna see what else I've been up to. I absolutely love the sharing of knowledge. So if you choose me as a mentor you make me ten times happier, and I can't wait to help you gain a deeper and more complete understanding of exactly the parts of Nix that you need to solve your problem. So, please, shoot me a message on this platform and tell me what it is you're curious about or need to learn more about or have to solve. I might just text you back an answer, or we get on a call and figure out whatever that is together. To me it does not matter that you're new to Nix, to Linux or even to software. I will mentor you with respect and patience regardess. I won't go on and on about things you don't want to know. I am here to serve your needs, accommodating your understanding, your state of mind, your mood and your motivation. Try me. I was literally born on Teachers' Day. Sessions with me are always recorded and you get free access to those recordings for your review. This is also for my protection. You have one week to download them. Looking forward to hearing from you! I'm sure we'll have a great time problem-solving. Here are my scheduling links: - 50 minutes hour https://calendar.app.google/yY6EJXCPX2XUjkXBA - 1 hour 50 minutes https://calendar.app.google/uD9tgQjEWNnEvuuT9

Freelance System Administration Developer - dragon788
Freelance System Administration Developer5.0 (3 reviews)

Lifelong learner that enjoys a challenge and solving problems. A passion for developer enablement, making it easier for others to build things and get them out into the world. Dynamic technologist with broad experience in system deployments, networking, software development, packaging, installation and management, cellular technologies and systems monitoring and administration. System administration experience with Microsoft and Linux client and server systems, and various open source software packages and software stacks. Currently exploring the cloud via AWS and Azure and container technologies like Fargate, ECS, EKS, AKS and EC2/Azure VM Compute hosts. Other responsibilities have included email administration, account management, DNS/DHCP and internet filtering. I enjoy implementing new technologies and corralling challenging systems and processes and researching open source software that provides support and flexibility to replace proprietary expensive systems locked into a single vendor. Experienced in Windows deployment, Linux deployment, macOS deployment, software deployment, software lifecycle, developer enablement, and miscellaneous BASH/Python/Powershell scripting features to automate repetitive tasks.

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

**AI, AWS, Cloudformation, Security & Terraform expert with 15 zero-downtime migrations under his belt.** **Executive Summary** Experienced Engineering Manager & Fractional Executive with a robust background in cloud architecture, agile methodologies, artificial intelligence, automation & security. Adept at leading engineering teams (and teams of AI agents) 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. **Personal Description** "I have been writing code since age 4, networking since age 12 and server administration since age 15. I am not only a coniseur, but also a master artist, of code in any language. I have always worked alone, and striven for perfection, but never quite got there. AI has changed that and I am now achieving not just perfection, but absolute masterpieces in 1/10 or less time than I ever thought possible. As a polymath, I've always been on or near the bleeding edge of technology, staying agile and adapable, rarely repeating stacks from project to project, always using the best tool for the purpose. The advancement in agentive AI over the past 6 months, when properly utilzed in experienced and demanding hands such as myself, basically turns me into a team of 20...with unlimited knowledge and zero time required to learn new APIs/toolkits/etc." \- Jason

Linux System AdministrationLinux Server AdministrationRubyPHPPythonSQLMySQLServerMongoDBMeteorFacebookPostgreSQLLambdaAutomationElasticsearchTypeScriptYAMLJiraGitLabSESSNSStrategyDynamoDBCloudWatchCloud9Adobe PhotoshopDocumentDBTerraformIllustrationAPI GatewayCI/CDAws route 53Aws elastic beanstalkElasticacheFargateJira/confluenceSite Reliability EngineeringCustomer CareDesign PrinciplesSecurity softwareAIDevOpsPrompt EngineeringAWS Cloud InfrastructureHTML/CSSNode.jsWordPressLinuxBashAPIShellHTTPUbuntuLoggingAzureVimHerokuNginxSSHAmazon EC2ProxyAmazon S3CentOSMigrationDebianCloudUnderscore.jsSSL CertificateAmazonnpmCorsScalabilitycPanelBootstrapLodashUnderscoreMemcacheVarnishHAProxyRed HatFirewalliptablesAuthPumaDockerUnicornReverse proxyEs6GSAPReactAmazon SESDeployGoogle Cloud PlatformAmazon SQSWiresharkMEAN.ioAmazon vpcFirewallsSpdyData MigrationCacheBootstrap 3MEAN StackMEAN.jsAmazon RDSPhusion PassengerAws swfAWS Data PipelinesRHELJavaScriptLoad BalancingMintNginx 1.6Resource optimizationECMAScriptViDigitalOceanInfrastructureAWS OpsWorksAmazon SNSProxyserverAmazon EBSpfSenseHttp cachingAmazon RedshiftFedoraAshMemcached phpApache ConfigurationAmazon elbBSDPenetration toolsWebminDeployment automationDisaster recovery planningData Center OperationsWHMAWS CloudFrontAWS PoliciesAWS VPCAws sdkAWS DynamoDBAmazon elastic beanstalkAmazon linuxAWS LambdaInfrastructure as CodeTLSOpenBSDBackendlessAWS IoTAws sesAws snsMandrivaAmiAmazon machine imageAws amiAmazon amiNmapMetasploitNetfilterAWS EMRAws CodepipelineAws CodebuildAws iamBootstrap 4Data parsingNew RelicRESTful APIWebsite migrationApache HTTP ServerExpress.jsAWS+165
Freelance System Administration Developer - Shahrukh Khan
Freelance System Administration Developer5.0 (56 reviews)

An accomplished PHP Developer specialising in Laravel with extensive experience in the full life cycle of the software design process including requirements definition, prototyping, proof of concept, design, interface implementation, testing and maintenance. xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx IF I CAN'T HELP YOU I WILL PROCESS FULL REFUND xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx =============================== Areas covered in web development =============================== •    Creating Online Portals •    Develop Local Search Engines •    Streaming Videos •    Broadcast Live Videos •    Generating Reports •    Sending SMS •    Creating Blogs and discussion Board •    Integrating social and transactional APIs whether it is for mailing or sending SMS. My skills include but not limited to: •      PHP, NodeJS •      SQL, MySQL, MongoDB •      JavaScript, jQuery, ReactJS, React Native, VueJS •      HTML5, Bootstrap 3, Bootstrap 4, Bootstrap 5, Material Design •      CSS3, SASS, LASS, •      Laravel, Codeigniter, OpenCart, Wordpress •      Linux System Administration

Freelance System Administration Developer - Mike Schinkel
Freelance System Administration Developer5.0 (33 reviews)

I am **US-based** and have **30+ years experience** during which I have been a software developer, a programming trainer, a marketer and an entrepreneur. My current focus is in **long term tutoring** students in **programming**, **CI/CD DevOps**, and/or how to use AI like **Claude Code** or Codex for programming. Specifically: 1. I specialize in **Go** and **Bash** programming 2. I love **API**s and can teach you how to call them with command line Bash tools 3. I can teach you how to write API **servers** in Go, and also how to call APIs in Go. 4. I have 25+ years in **SQL** and can teach SQLite, MySQL, or Postgres 5. I can teach you to configure **macOS** and **Linux** for programming 6. I can teach **CI/CD** with **GitHub Actions**, Jenkins, GitLab, or others 7. I can teach using **Docker** containers and/or how to build them 8. I can how to write **Kubernetes** controllers and operators in Go 9. I can teach you how to work with **Digital Ocean** or basics in **AWS**. I can also teach you many other things. While I don't use Windows daily, I have used it in the past and am familiar with PowerShell and Windows System for Linux so I can help with those if need be. ALSO, I am great at learning on the fly so if you are interested in me helping you learn something I have not listed I will consider giving a discount for topics that allow me to learn new things while teaching, especially related to AWS.

Freelance System Administration Developer - Adetokunbo Ige
Freelance System Administration Developer5.0 (10 reviews)

Hi, I'm Adetokunbo Temitayo Ige, a DevOps Engineer with experience in Platform Engineering, SRE, Database Administration, and Technical Writing. I hold a B.Sc in Computer Science from Babcock University and an M.Sc in Business Information Technology from Middlesex University. I have experience working with the following technologies * AWS * Docker, Kubernetes * Terraform (IAC), Pulumi * Azure * CI/CD ( GitHub Actions, Gitlab CI, Jenkins) * Python and Bash * Linux * GCP Blog: https://igeadetokunbo.medium.com/

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Frequently asked questions

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

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

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

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