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I run an established WordPress site that is tightly coupled to an in-house CRM, all hosted on a Linux server and relying heavily on JavaScript. I now need a developer who can both shepherd the infrastructure and push the product forward. The immediate focus is threefold: • Build custom features for both the CRM and WordPress, writing clean, well-documented JavaScript and PHP where needed. • Integrate new third-party services and internal tools so data moves seamlessly between systems. • Track, diagnose, and improve performance from the server layer (caching, database tuning, CI/CD) up through front-end load times. You’ll be working over SSH with Git-based deployment, so confidence with command-line Linux, basic security hardening, and automation scripts is essential. Every update should be tested on a staging environment and delivered through a pull request that highlights what changed and why. If you thrive in a role that mixes coding, integrations, and server stewardship—and you enjoy squeezing every millisecond out of a stack—let’s move forward.
Mã dự án: 40335317
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223 freelancer chào giá trung bình $21 AUD/giờ cho công việc này

Hi, you need someone who can confidently handle both development and infrastructure, and that’s exactly my strength. I’ll build clean, scalable features in PHP/JavaScript, manage seamless integrations, and optimize performance from server to frontend. With strong Linux, SSH, and Git workflow experience, I ensure stable deployments, efficient CI/CD, and measurable speed improvements. lets discuss in chat as I have some queries to ask regarding the project to proceed further.
$25 AUD trong 40 ngày
9,4
9,4

Dear , We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in JavaScript, Linux, WordPress, Software Testing, Web Development, Full Stack Development, DevOps, API Integration and other technologies relevant to your project. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details. Best regards, Sales department Tangram Canada Inc.
$30 AUD trong 5 ngày
8,6
8,6

"Hi! I'm Raman from CnELIndia, and I'm here to help breathe new life into your WordPress site and in-house CRM. Our team has an impressive 18 years of experience delivering top-notch projects, just like yours, efficiently, on-time, and within budget. With us on-board, you can rest assured that you are working with a dedicated group that is inventive and motivated to give you the best results." "Our expertise runs through various technologies namely PHP, JavaScript and Linux to name a few- which perfectly aligns with your project needs. At CnELIndia we are fervent about integrating multiple systems seamlessly, enhancing performance from server layer all the way up to front-end load times and handling infrastructure with ease. This sets us apart from other candidates." "All our code changes undergo rigorous Git-based deployment with meticulous testing ensuring that only the best gets pushed live. What's more? From API integrations to DevOps - We've got you covered! Trust our team of devoted individuals who not only enjoy coding but also relish in system integrations and server maintenance tasks. Reach out to us and lets take your CRM and WordPress to great heights!"
$20 AUD trong 40 ngày
8,8
8,8

Hi, Could you share more about the specific features you want for your CRM and WordPress site? I can help you implement custom functionalities using clean JavaScript and PHP. With over 9+ years of experience in full-stack development and a solid background in DevOps, I can also seamlessly integrate third-party services and improve server performance. I’m familiar with SSH, Git deployments, and can ensure every update is tested in a staging environment as per your requirements. Let’s discuss how to push your product forward while keeping everything running smoothly. Best Regards, Priyanka
$20 AUD trong 40 ngày
8,1
8,1

Hello. WordPress development expert ready to help you with a project. I have more than 400 good reviews and more than 15 years of development experience behind, so project will be done with the best quality and timeframe. Free bug fixing support. We can always make deal on price. Tnx, and hope to hear you soon.
$20 AUD trong 40 ngày
8,3
8,3

Hi, To build custom features for your WordPress site and CRM, I will write clean, well-documented JavaScript and PHP. I will integrate new third-party services to ensure seamless data movement between systems. I understand the importance of tracking and improving performance, so I will focus on caching, database tuning, and optimizing front-end load times. I have experience working over SSH with Git-based deployment, and I am confident in command-line Linux and security hardening. I will ensure every update is tested in a staging environment and delivered through a pull request. Could you please clarify which specific third-party services you want to integrate? Also, do you have any existing documentation for the current setup? Let’s chat or share any details you have to get started. Thanks!
$20 AUD trong 40 ngày
7,9
7,9

Hello, I can take ownership of your WordPress and in-house CRM ecosystem. I specialize in high-performance PHP/JavaScript environments where server-level tuning is just as critical as clean feature development. My workflow is strictly CLI-first, utilizing Git-based deployments and automated staging-to-production pipelines. My Technical Approach: Feature Development: Writing modular PHP for WordPress/CRM logic and modern, asynchronous JavaScript to ensure the UI remains responsive during heavy CRM data fetches. System Integration: Building robust API consumers and webhooks with comprehensive error logging and "retry" logic to maintain data integrity between your internal tools. Performance & Hardening: Tuning NGINX/Apache, configuring Redis/Memcached for object caching, and optimizing MySQL slow queries. I implement security hardening (fail2ban, SSH key-only access, and firewall configuration) as standard practice. Infrastructure: Managing your Linux environment via SSH, ensuring CI/CD flows through GitHub/GitLab Actions for zero-downtime deployments and mandatory staging environment testing. Experience: I have managed several "high-coupling" architectures where sub-second latency was mandatory for CRM synchronization. I focus on squeezing every millisecond out of the stack while maintaining a documented, Git-centric workflow. Best regards, Anthony Muñoz
$22 AUD trong 40 ngày
7,7
7,7

Hi, I’m a full-stack developer with strong experience in WordPress, custom CRM systems, and Linux-based infrastructure. I specialize in JavaScript and PHP development, system integrations, and performance optimization across the full stack from server configuration to front-end speed improvements. I understand you need someone who can not only develop new features for your tightly integrated WordPress + CRM system, but also manage infrastructure, ensure seamless data flow between services, and continuously optimize performance while maintaining a clean deployment workflow. I can build and maintain custom features in both your CRM and WordPress environment, integrate third-party tools and APIs, and optimize performance through caching strategies, database tuning, and front-end improvements. I’ll also ensure secure server management, smooth Git-based deployments, and clear documentation for every update. My approach is to work in a structured workflow: analyze your current architecture, implement changes in a staging environment, use Git with clear pull requests, and rigorously test each update. I’ll also monitor performance metrics and iteratively optimize both backend and frontend for speed and reliability. I’m available to start immediately and would be glad to discuss your system in detail and help streamline both development and infrastructure. Thanks.
$20 AUD trong 40 ngày
7,5
7,5

Hi, I can help manage and advance your WordPress & CRM setup while keeping your Linux infrastructure running smoothly. I will build custom PHP and JavaScript features, integrate third-party and internal tools for seamless data flow, and optimise performance from server caching and database tuning to front-end load times. All work will be tested in staging and delivered via clear pull requests. I’m ready to jump in and streamline both development and infrastructure for your stack. Thanks
$15 AUD trong 40 ngày
7,9
7,9

This looks like a great fit, I will handle both sides — building custom CRM and WordPress features in JavaScript and PHP, wiring up third-party integrations, and managing your Linux server performance from database tuning and caching down to front-end load times. All work will go through staging first and land via documented pull requests. One area I will audit early is your MySQL query performance and object caching setup. Most WordPress-CRM stacks leak speed at the database join layer when CRM tables grow, so I will set up query logging on staging to catch slow queries before they hit production. Questions: 1) What CRM is this — a custom-built PHP application, or a framework like SuiteCRM or similar? 2) Are you using any CI/CD pipeline currently, or is deployment fully manual over SSH? Looking forward to discussing further. Best regards, Kamran
$25 AUD trong 40 ngày
7,8
7,8

Hi, I’ll keep this simple. Your setup isn’t just about adding features, it’s about keeping everything stable while improving performance, especially with WordPress and a tightly connected CRM. That’s usually where things get messy if not handled carefully. A few things I need to understand first: 1. How is your CRM connected to WordPress (API, shared DB, or custom logic)? 2. Where are you feeling the biggest issues right now; speed, bugs, or adding new features? 3. What’s your current deployment process (manual or CI/CD)? 4. Are you using any caching or CDN at the moment? How I would approach this: Build features in a way that doesn’t break existing flows Clean up and standardize integrations so data moves smoothly Identify and fix performance issues from DB to frontend Work through proper staging → testing → PR flow (no risky direct changes) References & Work: I’ve worked on similar WordPress + custom systems and can share examples in chat. I have several projects to share, but due to limited space here can not mention all. Estimated Timeline and cost: Can share after reviewing data and scope. Once we align, we can finalize UX flow and start development. What I can guarantee: - Commitment - Frequent communication - Honest at all steps ** Please check reviews, not one of them is less than 5 star (not even 4.9).** https://www.freelancer.com/u/WhizPool Thanks, Zeeshan Whizpool
$20 AUD trong 40 ngày
7,2
7,2

Hi, ➡️ I read your project description for Full-Stack DevOps for CRM & WordPress, and understand your need for a developer to both maintain and advance your infrastructure. Your detailed focus on integrating custom features, improving performance, and ensuring seamless data integration across your WordPress site and CRM has been noted. ⏺️ With over 12 years of experience as a Full Stack Developer, I specialize in managing and enhancing both CRM and WordPress systems, particularly within Linux environments. My expertise includes crafting clean, efficient JavaScript and PHP code, integrating third-party services, and optimizing server performance through advanced caching and database tuning. I am proficient in using SSH for Git-based deployments, ensuring secure, well-documented updates that enhance your operations without disrupting current functionalities. Regards, Aftab Ahmad Full Stack Developer (12 Years of Experience)
$25 AUD trong 30 ngày
7,2
7,2

Dear Client, Being a seasoned full-stack developer with a deep understanding of DevOps, I bring over a decade of expertise in building compelling and efficient applications which makes me the perfect candidate for your project. My skills in WordPress, PHP, Linux-based hosting, and JavaScript are not just theoretical; I've put them to practice in developing CRM-driven platforms. I have gained substantial experience in working with valuable customer data and learned how to optimize server infrastructure for better performance. My robust knowledge of APIs and my capability to seamlessly integrate third-party services will ensure your systems work harmoniously. I have a profound grasp on CI/CD pipelines, providing me with an edge in tracking, diagnosing, and improving performance across your stack a skill that's essential given your focus on enhancing load times. Moreover, my key strength lies in leveraging technology advancements to amp up your business—whether it's through SAAS Dashboards, scalable backends, or AI-integrated applications; I make sure every project aligns with your strategic goals. Pairing this strong strategic mindset with my ability to crank every millisecond from a stack means you can expect nothing short of an optimized system delivering exceptional performance. So if you're looking for someone who truly understands where code meets strategy without compromising on efficiency and impact I am the one for the job!!!! Thank you!!!
$20 AUD trong 40 ngày
7,7
7,7

Hi, this role requires a balance of backend development, integrations, and server-level optimization, which is exactly how I work. I’ll enhance your WordPress and CRM with well-structured code, streamline data flow between systems, and fine-tune performance across the stack. With solid Linux, SSH, and Git expertise, I ensure reliable, tested deployments. lets discuss in chat as I have some queries to ask regarding the project to proceed further.
$15 AUD trong 40 ngày
6,9
6,9

Q:- what stack is your CRM built on (custom PHP, Node, or something else)? Hi there, Hope you are doing well. This kind of hybrid role (development + infrastructure) is exactly where I’m comfortable. I’ve worked on WordPress + custom CRM setups on Linux servers, handling everything from feature development to performance optimization and integrations. I can help you with: Building custom features in PHP & JavaScript across WordPress and your CRM Integrating third-party APIs/tools for smooth data flow Improving performance (caching, DB tuning, frontend speed) Managing deployments via SSH, Git, staging → production workflow Ensuring clean, documented PRs and stable releases I’m used to working in environments where reliability, speed, and clean architecture matter, and I follow structured workflows to avoid breaking production. Best regards, Dinesh
$15 AUD trong 40 ngày
6,8
6,8

Hi, I am a software engineer. I can build an established WordPress site and link it with your in-house CRM.
$15 AUD trong 40 ngày
7,0
7,0

Hello! I've noted your need for a Full-Stack DevOps developer to enhance your WordPress site and CRM integration. With over 5 years of experience in full-stack development and DevOps, I can efficiently build custom features using JavaScript and PHP while ensuring seamless integrations with third-party services. My approach would entail developing well-documented custom functionalities and implementing CI/CD pipelines to streamline updates through Git-based deployment. Additionally, I can enhance performance through server-side caching and database optimizations. A suggestion to enhance your infrastructure would be to implement a monitoring tool for better visibility on performance metrics. In a similar role, I improved a client's WordPress site performance, resulting in a 30% faster load time after optimizing backend processes. I’m ready to start and can deliver the initial updates within a week. Regards, Khurshid Ahmed
$25 AUD trong 1 ngày
6,6
6,6

Hello Expert full-stack DevOps for your established WordPress & CRM. I'll optimize your tight integration, ensuring robust performance, security, and stability across your entire platform. From infrastructure to frontend, I provide proactive management to keep your critical systems running flawlessly. Let's enhance your site's reliability and efficiency. Giáp Văn Hưng
$30 AUD trong 7 ngày
6,6
6,6

i have extensive experience on hosting management and web based solution, including WordPress, woocomerce and other web based application, together, we can build a better solution,. so lets do it, thanks
$15 AUD trong 100 ngày
6,7
6,7

Hello, I understand your need for a Full-Stack DevOps developer to enhance and maintain both your CRM and WordPress site. With 10+ years of experience in web development, server management, and system integrations, I can confidently support your infrastructure and ensure smooth functionality across all layers. My approach will cover: Custom Development: Writing clean, well-documented JavaScript and PHP to build features for both CRM and WordPress. System Integration: Seamlessly connecting third-party services and internal tools to streamline data flow. Performance Optimization: Identifying and resolving performance bottlenecks, from server-side optimizations (caching, DB tuning) to frontend load times. CI/CD & Automation: Setting up Git-based deployment, ensuring proper testing on staging, and delivering updates with clear pull requests. I’m highly skilled in working over SSH, automating tasks with scripts, and managing Linux environments. I will ensure all changes are tested and delivered with complete transparency. I’m available to start immediately and look forward to collaborating with you to push your product forward. Thanks,
$15 AUD trong 40 ngày
6,3
6,3

Sydney, Australia
Thành viên từ thg 3 30, 2026
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