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Our team relies on a fully custom-built CMS & CRM written in JavaScript/Node.js. It underpins everything from project and retainer tracking to sales pipelines, and it already talks to Gmail, Google Docs, and ChatGPT to automate daily workflows. I need a reliable technical partner who can step in whenever our in-house developer is unavailable, keep an eye on system health, and roll out small-to-mid-size enhancements we queue up. Think of it as light “on-call” coverage mixed with incremental feature work rather than a full-time rebuild. Core expectations • Proactively monitor the application, troubleshoot outages or performance drops, and deploy fixes with minimal downtime. • Ship new features or integrations on request—these could range from adding a fresh AI prompt workflow to extending our Google Workspace hooks. • Keep our Node.js codebase clean and well-documented so hand-offs between you and the internal dev stay friction-free. • Communicate progress clearly in plain English; I value brief progress notes over long reports. Tech landscape you’ll touch Node.js (Express-style architecture), REST/JSON APIs, Gmail / Google Docs APIs, and OpenAI / ChatGPT endpoints. Source lives in a private Git repo; we use a standard CI/CD pipeline to stage and push releases. Success looks like 1. Zero critical issues left unresolved for more than one business day. 2. Feature requests delivered to spec, covered by basic tests, and merged without breaking existing flows. 3. Straightforward, commented code so any future dev can pick it up quickly. This is an ongoing, as-needed engagement—sometimes it will be silent for weeks, then pick up when we have a new idea or a holiday gap to cover. If you’re comfortable jumping into a mature Node.js codebase and keeping us running smoothly, I’d love to hear from you.
Project ID: 40705604
212 proposals
Remote project
Active 1 day ago
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212 freelancers are bidding on average £25 GBP/hour for this job

Hello, Your setup needs a support partner who can enter a mature Node.js CMS/CRM safely, keep Gmail/Google Docs/OpenAI flows stable, and make small-to-mid changes without slowing your internal developer. For this kind of ongoing cover, I would focus first on health checks, release safety, and a clear handoff pattern in the existing Express-style codebase and CI/CD flow. - I will audit app health, logs, alerts, and failure points, then set a support baseline. - I will handle bug fixes, API issues, and scoped enhancements with basic test coverage. - I will keep code comments, changelogs, and brief progress notes consistent for handoff. - I would work in your current Node.js stack, REST APIs, Git flow, and staging pipeline. Is the current codebase already covered by any logging, error tracking, and uptime alerts, or would observability setup be part of the support scope? I can start with a short technical review and coverage plan. Roman
£33 GBP in 7 days
10.0
10.0

Hello, Your custom CMS/CRM is exactly the kind of mature system where dependable maintenance and careful incremental delivery matter. I can step into the existing JavaScript codebase, trace issues across Express-style services and REST/JSON APIs, and keep fixes small, tested, documented, and safe to deploy. I can provide practical coverage for outages, performance regressions, and release support, while also delivering enhancements such as OpenAI/ChatGPT workflows and Gmail or Google Docs integrations. I’ll work within your private Git repository and CI/CD process, add basic regression tests, and provide concise progress notes in plain English so hand-offs remain straightforward. I’m also comfortable reviewing system health proactively and prioritizing issues against your one-business-day expectation without forcing unnecessary rewrites. Which monitoring, alerting, and CI/CD access can you provide so I can reproduce issues and safely deploy fixes with minimal downtime? I’d be glad to become a dependable extension of your in-house developer during holiday gaps or whenever feature work picks up. Best regards, Muhammad Awais
£18 GBP in 36 days
9.5
9.5

Hi there, We understand you're looking for a reliable technical partner to support your custom-built Node.js CMS and CRM, ensuring system health, troubleshooting issues, and rolling out enhancements as needed. With our 17 years of experience in web development and a strong background in JavaScript, Node.js, and REST/JSON APIs, we're confident in our ability to provide the necessary support. Our team has worked on similar projects, such as a music voting mobile app using React Native and Node.js, and we're familiar with Git, CI/CD pipelines, and OpenAI/ChatGPT integrations. One question: What's the current size of your codebase, and are there any specific pain points or areas of concern that you'd like us to focus on initially? Feel free to message us to discuss the details! — Webbook Studio
£25 GBP in 40 days
9.3
9.3

Hello there I work heavily with modern JavaScript/Node.js architectures, REST APIs, and third-party integrations (including Google Workspace and OpenAI). Stepping into mature codebases, diagnosing performance bottlenecks, and shipping clean, well-tested code without disrupting production is exactly what I do How I’ll Support You Dependable On-Call & Fixes: Swift triage for outages, error spikes, or breaking API changes (OAuth token refreshes, rate limits, webhook failures) with a commit to resolve critical blockers within one business day. Incremental Feature Work: Clean, modular additions—whether refining ChatGPT prompt chains, adding automated Docs generation, or tweaking pipeline logic in the CMS/CRM. Low Friction Hand-offs: Code is written for readability first: semantic naming, inline documentation, and Git hygiene so your in-house engineer can pick right back up without questions. Concise Communication: Fast, bulleted progress updates: What was done, what was tested, and PR status. No fluff or administrative overhead. I’m ready to sign an NDA, get access to the staging environment and repository, and do an initial codebase walkthrough whenever suits you. Best regards, Dinesh rathi
£27 GBP in 40 days
9.3
9.3

With over a decade of experience in Node.js architecture and high-scale systems, I understand the critical importance of maintaining a reliable and efficient CMS/CRM system like yours. Your project goal of needing a technical partner to provide on-call support, system monitoring, and feature enhancements aligns perfectly with my background in managing high-complexity systems and delivering solutions for 1M+ user applications. A strategic insight I can offer is to implement automated monitoring tools for proactive issue detection and resolution, ensuring minimal downtime and optimal system health. With my track record of successfully handling similar responsibilities, such as rolling out new features and integrations seamlessly, I am confident in my ability to support your Node.js codebase effectively. If you are looking for a dedicated partner to ensure zero critical issues, deliver feature requests to spec, and maintain clean and well-documented code for seamless collaboration, I am here to help. Let's discuss how we can work together to keep your operations running smoothly and achieve your project objectives.
£28.80 GBP in 15 days
9.0
9.0

Hi — Elias here from Miami. I see that you're looking for support on your custom-built CMS and CRM in Node.js. This system is crucial to your operations, and ensuring its reliability and scalability is key for your business. What usually matters most here is maintaining performance while accommodating growth. A common issue in systems like this is workflow complexity, especially when integrating new features or managing user permissions. The tricky part is usually ensuring that changes don’t disrupt existing functionality. My approach would focus on modular architecture, which allows for easier updates and expansions. I prioritize clean code and robust testing to ensure stability and maintainability. In past projects, I’ve worked on similar systems where user roles and integrations played a significant role in shaping the architecture. A few questions to better understand the scope: Q1 – What specific integrations are currently in place, and are there additional ones you foresee needing? Q2 – How do you manage user permissions, and are there any upcoming changes to those workflows? Q3 – What are your scaling expectations over the next year, especially concerning user growth or feature additions? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
£50 GBP in 10 days
8.8
8.8

Hi, I’d be a practical support partner for your existing Node.js CMS/CRM rather than treating this like a rebuild. I’d first get familiar with the Express-style architecture, CI/CD flow, integrations, and key project/sales workflows so I can troubleshoot issues quickly when they arise. For ongoing work, I can handle application health checks, performance or outage investigation, small-to-mid-size feature changes, AI prompt workflows, and Gmail/Google Docs API extensions. I’d keep changes focused, add basic tests where appropriate, and leave clear comments and concise progress notes so your in-house developer can easily pick things up. The as-needed model also makes sense for a mature system—available when issues or new requirements come up without unnecessary overhead. Best, Ivane
£27 GBP in 40 days
8.5
8.5

Hello, 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 PHP, JavaScript, Software Architecture, Node.js, Git, CI/CD, REST API, OpenAI 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.
£25 GBP in 5 days
9.0
9.0

★★★ Node.js SPECIALIST ★★★ Hi, To ensure system reliability and enhance functionality, I will proactively monitor your application, addressing any outages or performance issues immediately. I will implement new features and integrations as requested, ensuring they align with your existing workflows. My approach includes maintaining a clean and well-documented Node.js codebase, facilitating smooth hand-offs with your internal developer. I will provide brief progress updates to keep you informed without overwhelming you with details. To get started, I will need access to your private Git repository and any documentation on your current workflows and feature requests. Thanks!
£25 GBP in 40 days
8.4
8.4

I’d begin by tracing the existing Express-style request paths around the Gmail, Google Docs, and ChatGPT integrations, then verify logs, health checks, and the CI/CD rollback path before touching queued features. This will quickly show where an outage or slow API call could affect project tracking, retainers, or sales workflows. For ongoing support, I’ll investigate incidents from the Git codebase, make focused Node.js/REST changes, add basic regression coverage, and leave concise comments and progress notes for your in-house developer. Within 3 days, I can deliver an initial system review plus the first approved enhancement, with fixes staged safely and merged through your existing pipeline. Is the CI/CD pipeline already able to roll back the previous release with one command? Muhammad Saad
£26 GBP in 40 days
8.0
8.0

Hi there, I bring 20+ years of software development experience, including 8 years building and optimizing backend services with Node.js, Express, REST APIs, databases, CI/CD, and AI integrations. I can provide dependable cover for your internal developer and work effectively within an established codebase. I understand the priority is continuity: quickly diagnosing outages or performance issues, protecting existing CMS/CRM workflows, and delivering focused enhancements such as OpenAI prompt workflows or Google Workspace integrations. I would first review the repository, release process, logging, and key integrations so support decisions are based on the system’s actual behavior. For each change, I’ll keep the implementation simple, add practical tests, document important decisions, and provide concise progress updates. This approach supports low-risk releases now while keeping future hand-offs straightforward. I’d be glad to discuss your current architecture, support expectations, and the first improvements in your queue.
£18 GBP in 30 days
7.9
7.9

Hi, I am Adeel. I built Boostifai, an AI SaaS platform on Node.js and Python that integrates OpenAI endpoints into live client workflows, so wiring AI prompts and API hooks into an existing system is familiar ground. For this kind of on-call work I would start by mapping the critical paths, the Gmail and Docs hooks and the ChatGPT calls, so I know what breaking something actually costs before I touch it. Happy to do the first fix or small feature free, around two hours, so you can see how I communicate and handle your codebase before committing to anything ongoing. I can start this week. How often does your in-house developer need cover, weekly or just around holidays?
£18 GBP in 2 days
8.3
8.3

Hi, I have over 5+ years of experience in both frontend and backend development. I will do the specified tasks. Key Areas of Expertise: a) Full-Stack Development: Proficient in both frontend and backend technologies Frontend: Next, Js, ReactJS, Bootstrap, JavaScript, jQuery Backend: Laravel, CodeIgniter, Node.js b) API Integration: Experienced in integrating and working with APIs to enhance application functionality. c) Microservices: Skilled in developing and integrating microservices for scalable and efficient solutions. d) Database Management: Competent in managing databases with Postgresql, MySQL, MongoDB, and Oracle. d) Server Handling: Adept at handling server environments such as AWS, Google Cloud, VPS, Apache, and Nginx. Lets connect in chat so that We discuss further. With Regards, Sai
£20 GBP in 500 days
7.8
7.8

⭐⭐⭐⭐⭐ Reliable Node.js Support for Your Custom CMS & CRM Needs ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and noticed you're looking for a reliable technical partner for your Node.js application. Look no further; Zohaib is here to assist you! My team has successfully completed 50+ similar projects for Node.js support and enhancements. I will monitor your system, troubleshoot issues, and implement new features efficiently. ➡️ Why Me? I can easily handle your Node.js application support and enhancements as I have 5 years of experience in application monitoring, feature development, and troubleshooting. My expertise includes working with REST APIs, Git, and CI/CD pipelines. Additionally, I have a strong grip on Google APIs and OpenAI integrations to ensure your workflows run smoothly. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. I look forward to discussing this with you in our chat. ➡️ Skills & Experience: ✅ Node.js Development ✅ Application Monitoring ✅ Feature Implementation ✅ Troubleshooting ✅ REST/JSON APIs ✅ Git Version Control ✅ CI/CD Pipelines ✅ Google Workspace APIs ✅ OpenAI Integration ✅ Performance Optimization ✅ Documentation ✅ Communication Skills Waiting for your response! Best Regards, Zohaib
£22 GBP in 40 days
8.0
8.0

Hi, ⚡ Reliable Node.js Support - Keep Your CMS/CRM Running I can step into your existing Node.js system whenever your in-house developer is unavailable, keeping production stable while delivering new features and integrations. Node.js/REST APIs • Gmail/Google Docs • OpenAI/ChatGPT • Bug Fixes • Monitoring • CI/CD • Testing I’m comfortable working with mature codebases and providing quick, practical fixes with clean commits and short progress updates. Available for ongoing, as-needed support and feature work. Thanks
£18 GBP in 40 days
7.6
7.6

Hello!, I am a US-based full stack developer with around 10 years of experience working with Node.js, Express-style APIs, custom CMS/CRM platforms, Google Workspace integrations, Gmail/Docs APIs, OpenAI/ChatGPT API workflows, CI/CD pipelines, and production support. I read your project description carefully and understand you are not looking for a rebuild or another agency. You need a reliable technical partner who can step into a mature custom Node.js system, understand the existing codebase, monitor issues, fix problems quickly, and ship small-to-mid-size features without disrupting your current sales, retainer, project, Gmail, Docs, and AI workflows. I’m comfortable with private Git repos, staged deployments, REST/JSON APIs, basic test coverage, clear comments, and short plain-English progress updates. Relevant work includes: - Custom Node.js CRM with sales pipeline and task automation - Gmail/Google Docs workflow integration - AI prompt automation connected to internal tools - Production API support with CI/CD and monitoring Could you please clarify the following questions to help me better understand the project? 1. What hosting and monitoring tools are currently used for the app? 2. Do you have a staging environment where fixes can be tested before production? 3. What type of support arrangement do you prefer: hourly as-needed, monthly retainer, or emergency-only coverage? Regards, James Zappi
£35 GBP in 40 days
7.1
7.1

Hello There! I’m Md Toriqul Islam, an experienced full-stack developer with 10+ years of experience maintaining custom business platforms, APIs, CRM systems, and automation workflows. I can provide reliable on-call support while delivering incremental improvements without disrupting your existing CMS/CRM. I understand you need Node.js monitoring, troubleshooting, performance fixes, Google Workspace integrations, OpenAI workflows, REST APIs, testing, documentation, and safe CI/CD deployments. I am skilled in JavaScript, Node.js, REST APIs, OpenAI integrations, databases, Git, Docker, and Linux. I can quickly understand your mature codebase and provide clear, concise progress updates with dependable ongoing support. Best regards, Md Toriqul Islam
£20 GBP in 40 days
6.8
6.8

Hi there, I appreciate your detailed project description. It sounds like you need a dependable partner to manage your Node.js CMS and CRM, and I’m prepared to step in as needed. I offer proactive monitoring for application health and can implement enhancements quickly, ensuring minimal downtime during updates or troubleshooting. I have solid experience with Node.js, REST APIs, and integrating various services, including Google Workspace and OpenAI. I understand the importance of clean, well-documented code and clear communication. I look forward to assisting your team in maintaining and evolving your platform effectively. Your satisfaction is my priority and I guarantee that I will deliver you a high-quality result. Regards, Ali
£18 GBP in 1 day
6.5
6.5

As an esteemed developer, I possess substantial experience in working with Javascript and Node.js. In fact, my company SoftwareLinkers has built various custom systems using these technologies, very similar to your CMS & CRM. I understand the ins and outs of keeping a codebase running seamlessly, managing downtimes effectively, and pushing out targeted enhancements—whether it’s integrating AI prompts or extending workplace hooks like Google Workspace. I take pride in delivering exceptional work supported by clean and highly documented codes. This empowers me to ensure smooth handovers between your in-house developer and me, reducing any friction that might have existed with previous collaborations. Additionally, my approach revolves around consistent communication and full transparency. I value progress notes over long reports—so you can expect brief yet comprehensive updates on all modifications. In terms of ongoing support, I am prepared for the intermittent nature of the job. As an experienced freelancer in the field, I have worked on projects that were silent for weeks before bursting into intense engagement. Lending my skills to diverse industries such as education, finance, logistics, etc., while maintaining high client retention rates have fortified my ability to adapt and contribute effectively to your team's unique needs. Let's discuss how we can uphold the excellent standards your project requires.
£36 GBP in 40 days
6.5
6.5

Hello. The hardest part of this role is maintaining system stability and delivering incremental feature enhancements without disrupting your mature Node.js CMS/CRM stack. Your Express-style architecture with Gmail, Google Docs, and OpenAI integrations requires careful monitoring and clean, well-documented code updates. My approach: 1. First, audit current monitoring and alerting to ensure zero critical issues go unresolved beyond one business day. Deliver a health report and quick fixes within 5 days. 2. Implement a streamlined workflow for feature requests, starting with your next queued AI prompt or Google Workspace extension. 3. Maintain code quality with clear comments and minimal downtime deployments via your existing CI/CD pipeline. 4. Provide concise progress updates in plain English after each sprint or support event. I recently supported a Node.js SaaS platform integrating third-party APIs with a similar on-call and incremental feature scope, resolving outages within hours and shipping new API hooks without regressions. I also contributed to a CRM enhancement project focused on clean, maintainable code and smooth handoffs. This bid covers monitoring, troubleshooting, and small-to-mid feature work. Major rewrites or new platform builds would be extra.
£25 GBP in 40 days
6.5
6.5

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