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Koustav H.

4.9

437

7.3

94%

Kolkata, India

$12 USD per hour

I have over 10 years of programming experience in C,C++,Java,.NET,Python for scripting and desktop applications along with database programming (SQL, MySQL, SQLite, MongoDB) and Networking

Shell Script Perl C Programming Java JSP

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Kaloyan P.

4.9

718

7.8

99%

Dimitrovgrad, Bulgaria

$10 USD per hour

C/C++ programmer with experience in parallel programming using OpenMP/Pthreads and MPI. Bash scripting and any other Linux/Unix tasks are welcome.

Shell Script PHP Perl C Programming Java

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Ivan V.

4.9

3754

8.8

99%

Myronivskyi, Ukraine

$32 USD per hour

Professional software developer with over 25 years of overall experience in software development and maintenance looking for challenge projects fit my skills. Main specialization: • developing Windows Desktop and Web solutions (mainly using C, C++, C#, ASP.NET) • converting/translating/porting code from one programming language to another programming language. • writing wrappers around miscellaneous libraries, packages and SDKs, mainly for using it with other programming languages. • consuming HTTP based APIs, (RESTful APIs, etc) • scraping data from web sites, both with and without Selenium Secondary specialization: • developing Linux and cross-platform solutions and utilities. • scripts/utilities to process Excel spreadsheets • Microsoft Office Automation

Shell Script PHP C Programming Java JavaScript

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Cloud Web Labs

4.9

1328

9.4

99%

Ahmedabad, India

$30 USD per hour

Hello, I’m Sweta Patel, Coder at and Owner of Cloud Web Labs. At Cloud Web Labs, we offer quality services to our clients, regardless of size or budget, while completing them on affordable budgets and quick timelines. Our team of talented professionals are able to handle projects involving the following aspects: - Responsive multilingual websites with Wordpress, WIX, Squarespace, PSD/XD/Figma to Bootstrap/HTML/CSS/Wordpress - Custom theme and plugin development for wordpress - Online Shop : Woocommerce, WIX and SquareSpace - Payment gateways: Paypal, stripe, 2checkout, Skrill, Payfort, credit/debit card - PHP, AJAX, jQuery, JavaScript - API integrations – Showing live NFT addresses, live prices for metals eg. Gold, silver, Games Match list – Basketball, football - Google API integrations – MAPs, ReCaptcha, REST apis - Responsive Email Template and Signature creation with html/css and different mail engines :Mailchimp, Outlook, Gmail, Yahoo and Hotmail. We have a large tech stack that allows us to be flexible and creative with our solutions, offering you the kind of products that you won’t find with other freelancers or firms. We’re available Monday through Friday, and also Saturday (on reduced hours), and are happy to answer questions, share portfolio samples, or jump straight into planning the execution of your next project. If you want to chat, feel free to message us at any time! We’re happy to discuss your needs and our abilities, and will only pass on your project if we KNOW we can’t handle your project. Thanks, and have a great day!

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SERVEROK SOFTWARE

5.0

2441

8.5

100%

Alazppuzha, India

$40 USD per hour

I have 20 years of experience in web hosting, managing RHEL, CentOS, CloudLinux, Ubuntu, Debian, FreeBSD, and Windows Servers. I am online from UTC/GMT 03:00 to 07:00 and 16:00 to 20:30. * Linux - Ubuntu/Debian/CentOS/RHEL/Fedora/FreeBSD * Azure/Amazon AWS/Google Cloud * Nginx/Apache/Lighttpd/LiteSpeed * VPS - OpenVZ/KVM/Xen/Hyper-V/SolusVM/ProxMox * Docker/RancherOS * Linux/Cpanel Server Setup * Server Security - csf/maldet * PHP - Script Installation/Custom coding/Laravel * Ffmpeg/Youtube Clone installation * WHMCS Installation * OpenAI, Gemini, Claude, Deepseek, Ollama, Local LLM, OpenClaw Listed on FreeLancer Security Hall Of Fame - Yujin Boby (@serverokin) https://www.freelancer.com/about/security/hall-of-fame

Shell Script PHP Python Script Install Windows Desktop

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Marjan A.

5.0

4440

9.2

100%

BANGKOK, Thailand

$130 USD per hour

Hi, I’m Marjan, Website & Software Developer with 16 years of experience and 4,400+ successful projects delivered worldwide. I help businesses build fast, secure, professional and conversion-focused websites, eCommerce stores, custom web applications, booking systems, dashboards and scalable digital platforms. My expertise includes: • WordPress, Elementor & Custom Theme/Plugin Development • Shopify Store Design, Setup & Customization • Full-Stack Web Development • SaaS, MVP & Custom Web Application Development • Booking Funnels, Lead Generation Forms & Dashboards • PHP, JavaScript, HTML, CSS & API Integrations • Wix, Webflow & Business Website Development • Technical SEO, Speed Optimization & Website Maintenance What you can expect when working with me: • Clear and professional communication • Clean, maintainable and scalable work • Careful attention to detail • On-time delivery and long-term support Whether you need a business website, Shopify store, WordPress development, custom platform, SaaS MVP, booking funnel or ongoing website support, I can help you plan, build and launch it properly. Let’s discuss your project and create something that works for your business.

Shell Script PHP Perl ASP C Programming

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Sergii T.

5.0

1340

8.0

99%

Kremenchuk, Ukraine

$10 USD per hour

I have 17 years experience with linux,freebsd,cisco. Cisco ASR1001, ASA 5505,5510, 29xx,19xx,3560,45xx.,8300,9300 Programming on Perl,Bash,PHP.

Shell Script PHP Perl C Programming Script Install

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Gratian Technologies

4.9

1318

8.0

98%

Visakhapatnam, India

$25 USD per hour

AWS Certified Solutions Architect with more than 12 years of system admin experience. We Provide Business Solutions such as - Custom Wordpress Websites - Laravel and CodeIgniter websites creation and modification - Super fast website migrations (Wordpress, Moodle, Magento etc.) - DNS related issues and Email migrations (imap to imap, office365 to Gsuite etc.) - Installation of all panels (cpanel, centoswp, vestacp, cyberpanel, plesk, openlitespeed etc.) - Advanced AWS Architecture consultation/implementation and Google Cloud , Microsoft Azure, Alibaba Cloud, Digital Ocean and Linode server deployments - Troubleshooting Websites/servers (linux) - Git implementation / integration with existing software flow - Python GUI Applications/ Web Scraping Our completed projects speak of our skills and feedback from the employers showcase our ability to deliver on time, every time. "Never Hire for Skills. Hire for Passion. Skills are cheap, Passion is hard to come by"

Shell Script PHP Python Script Install System Admin

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Jay P.

5.0

1097

9.6

100%

NAGPUR, India

$50 USD per hour

Hello, I am Full Time Expert Techno-Functional Freelance Analyst having in-depth Experience in various programming languages including VBA/Macro Programming for entire MS Office suite including: - Excel - Word - Powerpoint - Outlook - MS Access As Excel Expert I can build complete solution for your various complex problems running on click of button. I build automated Web Scrappers by means of most efficient and fastest methods. I perform end to end functional testing of applications and websites. Additionally I have expertise in PHP, MySQL, HTML, CSS and Java too. I provide long term support for the developed solutions. I am always reachable on freelance chat. Please Hire Me if you would like to further discuss any prospect. Thanks, Jay

Shell Script PHP JavaScript XML Python

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How to hire a great freelance Shell Script Developer

A Shell Script Developer is a programmer who writes, tests, and maintains shell scripts to automate tasks, manage system processes, and orchestrate workflows on Unix, Linux, and macOS environments. Hiring a skilled shell script developer means handing off the repetitive command-line work that slows down operations teams, freeing engineers to focus on higher-value problems while infrastructure runs reliably in the background.

What a shell script developer delivers

Shell scripting sits at the heart of modern systems administration, DevOps, and backend automation. A shell script developer turns manual, error-prone command sequences into reliable, version-controlled scripts that run on schedules, react to events, or chain together as part of larger pipelines. The output is usually a set of executable files, supporting documentation, and tested logic that handles edge cases gracefully.

Commercially, this work pays back quickly. Automated backups, log rotations, deployment scripts, and monitoring routines reduce downtime, cut operational headcount needs, and remove the human errors that creep into manual server management. Strong shell scripting also underpins continuous integration and continuous delivery workflows, infrastructure provisioning, and data processing jobs that move files between systems.

Common deliverables and tasks

Shell script projects vary in scope, but the typical deliverables a freelance shell script developer produces include:

Bash, sh, ksh, or Zsh scripts for system automation, scheduled cron jobs, and one-off utilities

Deployment and provisioning scripts that work alongside Ansible, Docker, Kubernetes, or Terraform

Log parsing, rotation, and analysis scripts using awk, sed, grep, and cut

Backup, archive, and disaster-recovery routines using rsync, tar, and gzip

System monitoring and alerting scripts that integrate with tools like Nagios, Zabbix, or Prometheus exporters

CI/CD pipeline glue scripts for Jenkins, GitLab CI, GitHub Actions, or Bitbucket Pipelines

ETL and data-movement scripts that schedule file transfers over SFTP, SCP, or curl-based REST calls

Migration scripts for server upgrades, OS transitions, and database housekeeping

Hardening and audit scripts that check user permissions, open ports, and patch levels

Documentation, inline comments, and README files so the scripts are maintainable by your in-house team

Tools, shells, and adjacent technologies

Experienced shell scripting experts work fluently across the standard Unix toolchain. Expect proficiency in Bash, POSIX sh, Zsh, and often Ksh, along with command-line utilities like awk, sed, grep, find, xargs, jq for JSON parsing, and yq for YAML. Most freelance shell script developers also work comfortably with Git for version control, SSH for remote execution, and systemd or cron for scheduling.

Shell scripting rarely lives in isolation. Strong candidates pair their shell skills with adjacent capabilities such as Python or Perl for tasks that exceed shell's comfort zone, Docker and container orchestration, cloud platforms like AWS, Azure, and Google Cloud, and configuration management tools including Ansible, Chef, and Puppet. Knowledge of networking commands, iptables, firewalld, and basic SQL rounds out a senior profile.

Industries and use cases

Shell script developers serve almost every industry that runs servers. Common use cases include:

Web hosting and SaaS providers automating server provisioning and tenant onboarding

Financial services running batch jobs for end-of-day reconciliation and regulatory reporting

E-commerce platforms managing log aggregation, order export pipelines, and database backups

Healthcare and research institutions processing large data files between secure environments

Game studios and media companies handling render-farm orchestration and asset transfers

Startups building lightweight automation before investing in heavier orchestration platforms

How to evaluate shell script developers

The best shell scripters are defensive coders. They write scripts that fail loudly, clean up after themselves, and behave predictably under unexpected input. Look for portfolio evidence of production-grade scripts, contributions to open-source repositories, and familiarity with shell-checking tools like ShellCheck and shfmt. Strong candidates use set -euo pipefail, trap handlers for cleanup, and proper quoting to avoid word-splitting bugs.

When reviewing profiles, weigh systems administration experience, comfort with multiple Unix flavors, and the ability to translate vague operational pain into a clean script. Sample interview questions you can use directly:

How do you handle errors and partial failures in a long-running shell script?

What is the difference between $@ and $* when iterating over arguments, and when does it matter?

Walk me through how you would write an idempotent deployment script that can be safely re-run.

How do you decide when a task should stay in shell versus moving it to Python or Go?

Can you describe a time you debugged a subtle scripting bug in production, and how you found it?

Why hire shell script developers on Freelancer.com

Freelancer.com gives you access to a global pool of shell scripting experts spanning junior automation engineers, senior DevOps consultants, and Linux systems administrators with years of production experience. You can review portfolios, ratings, and verified work history before shortlisting, and you set the budget so competitive bids come to you. Whether you need a one-off backup script or an ongoing automation partner, freelancers on Freelancer.com cover every shell, every cloud, and every common toolchain. The platform's milestone payment system, secure messaging, and dispute resolution mean you can hire on Freelancer.com with confidence even for sensitive infrastructure work.

Ready to automate the manual work draining your team's time? Post a project on Freelancer.com today and connect with skilled shell script developers ready to deliver clean, tested automation for your servers and pipelines.

What are the steps to hiring a freelance shell script developer?

Hiring a shell script developer goes smoothly when the brief is precise about the target operating system, the shell, and the exact tasks the script must perform. The three steps below walk you through posting your project, reviewing proposals, and awarding the work to the right candidate.

Step 1: Post your project on Freelancer.com

Your project post is the single biggest determinant of bid quality. A clear brief filters for shell scripting experts whose experience genuinely matches your environment and goals, and it prevents back-and-forth later in the engagement. Head to the post project page , where you fill in the brief, scope, timeline, and budget before publishing the project for freelancers to bid on.

Specify the target operating system and version, for example Ubuntu 22.04, RHEL 9, Amazon Linux, or macOS

Name the required shell — Bash, POSIX sh, Zsh, or Ksh — and any version constraints

List the exact tasks the script must perform, including inputs, outputs, and expected exit codes

Note integrations with tools like cron, systemd, Docker, Ansible, Jenkins, or cloud CLIs

Include security expectations, such as handling of secrets, file permissions, and logging requirements

State the timeline, deliverable format, and whether documentation or unit tests are needed

Step 2: Review bids from freelancers

Bids on Freelancer.com are short proposals, not just price quotes. They reveal how each freelancer interprets your brief, what approach they would take, and whether their proposed timeline is realistic. Read the proposals carefully and shortlist candidates whose understanding of your scripting problem matches your intent.

Look for proposals that reference the specific shell, OS, and tools named in your brief

Favor freelancers who raise clarifying questions about edge cases, error handling, or environment details

Check for mention of best practices like ShellCheck, set -euo pipefail, or idempotent design

Review any sample scripts or repository links attached to the bid

Use Freelancer.com's chat to ask follow-up questions before shortlisting your top three candidates

Step 3: Evaluate freelancers and award the project

The final decision combines proposal quality with profile evidence. Look at consistency of work across past shell scripting and DevOps projects, not just a single highlight. A reliable shell script developer shows steady delivery, clean code samples, and positive written reviews from clients with similar environments.

Review the depth and relevance of the portfolio, especially scripts written for systems similar to yours

Check star ratings alongside the number of completed projects to confirm consistent quality

Read written client reviews for mentions of code quality, documentation, and communication

Confirm verified payment method, completion rate, and on-time delivery rate

Award the project and use Freelancer.com's Milestone Payments to release funds only as agreed deliverables are met

How long does a typical shell scripting project take?

Small utility scripts can be delivered in a day or two, while complex automation suites with error handling, logging, and CI/CD integration usually run one to four weeks. Timeline depends on the number of edge cases, target environments, and the level of testing and documentation you require.

Can I hire a shell script developer for a one-off project?

Yes. Many clients post a single project to automate a specific task such as a backup routine, deployment script, or log parser. You can also retain the same freelancer on an ongoing basis if maintenance or additional automation work comes up later.

What is the difference between a shell script developer and a DevOps engineer?

A shell script developer specializes in writing command-line automation in Bash, sh, or Zsh. A DevOps engineer covers a broader scope including CI/CD pipelines, infrastructure as code, monitoring, and cloud architecture, often using shell scripting as one tool among many. For focused automation work, a shell scripter is usually the right hire.

Do I need a shell script developer or a Python developer?

Choose a shell script developer when the work is primarily about chaining Unix commands, managing files, scheduling jobs, and orchestrating system utilities. Python is better suited to complex data processing, API-heavy logic, and applications that need data structures or libraries. Many freelancers are comfortable with both and will recommend the right tool for your task.

Will the freelancer test scripts before delivering them?

Reputable shell script developers test scripts in a sandbox or staging environment, run them through ShellCheck for static analysis, and document expected behavior. Always agree on a test plan and acceptance criteria in the brief so both sides are aligned before code is delivered.