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I run a fully custom-built e-commerce site and need a developer who can keep it healthy, secure, and evolving. The back-end is mainly PHP, several Python micro-services handle data tasks, and the front-end relies on JavaScript. Because the codebase was written from scratch—not on Shopify, WooCommerce, or Magento—every update requires someone comfortable tracing bespoke logic rather than relying on plug-ins. Typical work you’ll tackle includes bug fixes, performance tuning, adding new product or checkout features, tightening security, and occasionally integrating third-party APIs or payment gateways. I use Git for version control and stage all changes in a test environment before we push live, so familiarity with that workflow is a must. Deliverables will usually fall into one of three categories: • Rapid hot-fixes when something breaks or a security patch is released • Planned feature enhancements that we scope together and roll out in milestones • Monthly housekeeping—log review, dependency updates, and speed audits For each task I’ll provide clear acceptance criteria and expect concise commit messages plus a short changelog. If this stack and rhythm sound comfortable, let’s talk through the first item in the queue.
Project ID: 40476020
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Hi Chris. Bidding here as agreed for payment for my set of packages for Laravel. Still have to write here another sentence, so here that is
$3,000 USD in 7 days
7.9
7.9
61 freelancers are bidding on average $3,743 USD for this job

⭐️⭐️⭐️ Custom E-Commerce Platform Maintenance & Development Support ⭐️⭐️⭐️ Hello, I checked your requirement and I can provide ongoing development, maintenance, security updates, and feature enhancement support for your fully custom-built e-commerce platform. Features: PHP & laravel support, JavaScript front-end updates, bug fixing, API/payment gateway integration, performance optimization, Git-based workflow, and monthly maintenance. I am experienced with custom codebases, staging-to-production deployment workflows, and handling rapid fixes alongside long-term feature development. We will deliver stable maintenance support, optimized performance, secure updates, clean commits, and documented changelogs for every task. Let’s chat… Thanks
$3,100 USD in 20 days
9.6
9.6

Hi — Elias here from Miami. I understand you're seeking ongoing maintenance for your custom e-commerce site. Keeping it healthy and secure is essential for a seamless shopping experience. The real technical challenge often lies in ensuring scalability and maintainability as user traffic changes. A common issue in custom systems is managing integrations and performance tuning without disrupting workflows. The tricky part is usually ensuring that security measures are both effective and user-friendly. My approach would involve a structured maintenance plan focused on immediate fixes and long-term stability. I prioritize code reviews and automated testing to catch potential issues early, while establishing clear documentation for future updates. I've worked on similar e-commerce platforms where I enhanced performance and security, ensuring smooth operations during peak times. A few questions to better understand the scope: Q1 – What specific integrations are currently in place, and how critical are they for daily operations? Q2 – Are there particular areas where you've noticed performance issues or security vulnerabilities? Q3 – What are your scaling expectations in the next 6-12 months? Happy to discuss details and suggest the best technical approach. Looking forward to hearing from you.
$4,500 USD in 14 days
8.4
8.4

Ongoing maintenance on a bespoke PHP + Python micro-service stack is exactly the kind of work I do well — I'm comfortable in codebases where there's no framework magic to lean on, only the logic the original developer left behind. My approach for an engagement like this: the first week I map the architecture silently — routing layer, DB schema, micro-service endpoints — so I understand the system before touching anything. After that I triage by risk: security issues and broken flows first, performance and feature work second. For the three delivery categories you mentioned, I'd structure it as: hot-fixes within 24 hours of issue raised, planned features scoped with acceptance criteria before coding starts, and monthly audits with a written changelog. Every change goes through your test environment with a clear before/after description before hitting production. I've worked with PHP codebases across multiple stacks, integrated Stripe/PayPal/Braintree payment gateways, and built Python service bridges over REST APIs and shared Postgres databases. I can own this end-to-end without needing your team to hand-hold onboarding.
$3,000 USD in 21 days
8.2
8.2

As an experienced Full-Stack Developer with over a decade under my belt, I possess the proficiency necessary for maintaining and evolving your bespoke e-commerce site. My expertise starts from the backend, where I'm fluent in PHP, which aligns perfectly with your codebase requirement. Moreover, my familiarity with Python microservices for data tasks and JavaScript for frontend tasks complements your specific tech stack needs. Complementing my extensive language repertoire is my proficiency in using Git for version control. This, coupled with my consistent use of a staging environment for testing and deployment, ensures minimal disruption to your live site and promotes seamless implementations. As your dedicated developer, you can count on me to swiftly handle bug fixes, execute performance enhancements and implement new features—all while adhering to your acceptance criteria stringently.
$3,000 USD in 50 days
7.2
7.2

Hi, Your setup is exactly the type of environment where a developer needs to understand code architecture rather than depend on plugins or platform shortcuts. A custom PHP ecommerce platform with Python microservices and a JavaScript frontend requires someone comfortable tracing existing business logic, debugging efficiently, and making changes without introducing regressions. I have experience working with custom web applications, PHP backends, Python services, JavaScript frontends, API integrations, Git workflows, performance optimization, and production support. I'm comfortable working through staging environments, reviewing logs, profiling bottlenecks, implementing security improvements, and delivering clean, documented updates with concise commit histories and changelogs. Whether the task is an urgent production fix, checkout enhancement, third-party API integration, payment gateway update, or ongoing maintenance, I follow a structured workflow: investigate, reproduce, implement, test in staging, document, and deploy safely. The mix of rapid hot-fixes, planned feature development, and monthly housekeeping aligns very well with how I typically support long-term custom platforms. I would be happy to review the current architecture and discuss the first item in the queue to establish priorities and estimate effort accurately. Best, Justin
$4,000 USD in 7 days
6.3
6.3

Hi there, I like how you have outlined your project description. Maintaining a custom-built e-commerce platform that combines PHP, Python micro-services, and JavaScript requires a developer who is not only technically skilled but also meticulous and adaptable. Your emphasis on a bespoke codebase with no reliance on plug-ins speaks to the need for deep codebase familiarity and versatile troubleshooting skills. With extensive experience in PHP back-ends, Python scripting for data tasks, and JavaScript front-ends, I am confident in my ability to support your platform's health and growth. I’ve regularly worked within Git workflows ensuring clean commits, well-documented changelogs, and safe deployment through staging environments. From rapid hot-fixes and security tasks to planned feature rollouts and proactive maintenance, I can provide steady, reliable support aligned with your specified acceptance criteria. My approach will prioritize clear communication and efficient issue resolution to keep your site secure, performant, and evolving smoothly. I would love to discuss your first item in the queue and how I can help you maintain and enhance your custom e-commerce system. Looking forward to partnering with you on this ongoing work.
$3,500 USD in 14 days
6.0
6.0

Hello! I see you're looking for ongoing maintenance for your custom e-commerce site. Keeping it healthy and secure is crucial, especially with a fully custom build. I can help with troubleshooting and performance tuning, ensuring the PHP and JavaScript components run smoothly. Integrating APIs effectively is also key, and I can address any issues that arise promptly. I'd start by conducting a thorough audit of the current setup, then prioritize any security updates and performance enhancements. Q1: What specific features or areas of the site are you most concerned about maintaining? Q2: Are there particular performance benchmarks you're aiming to achieve? Q3: Do you have a preferred method for handling urgent issues as they arise? Let’s keep your site running optimally.
$4,000 USD in 26 days
6.6
6.6

I’ve handled custom-built e-commerce platforms with unique codebases before, so I’m comfortable digging into bespoke logic without relying on plugins. For rapid hot-fixes, I focus on quick root-cause analysis to minimize downtime, and for planned features, I work closely with clients to break work into clear milestones. One question: Do your Python micro-services communicate synchronously with the PHP backend, or is it async via queues or APIs? Knowing this helps plan feature additions or debug performance issues. Also, do you have automated tests in place, or do you rely mostly on manual QA in the staging environment? For monthly housekeeping, I suggest setting up light monitoring scripts to catch anomalies in logs early, which I’ve done for similar clients to prevent issues before they affect users. I’m ready to dive into your first ticket and keep your site secure and smooth running. Let’s review what’s next and get started.
$5,000 USD in 7 days
6.1
6.1

Let's build amazing. I'm the developer who actually enjoys diving into custom PHP backends, Python microservices, and JavaScript frontends—no plug-in crutches required. Bug fixes, performance tuning, new checkout features, security patches, and API integrations are my daily bread, and I won't flinch when your bespoke logic takes a left turn. I live in Git with a strict test-before-live workflow, so expect clean commits, short changelogs, and zero "oops, that broke production" moments. Rapid hot-fixes? I'll have a patch ready before your error log finishes loading. Planned feature milestones? Let's scope and crush them together. Monthly housekeeping (logs, deps, speed audits) keeps your site healthier than a gym rat. You provide the acceptance criteria, I'll provide working code and a smile. Let's talk through the first ticket in your queue—I'm ready to trace your code and leave it better than I found it. Dimitar
$4,000 USD in 7 days
5.8
5.8

Hello, I can help maintain and improve your custom-built e-commerce platform across PHP, Python micro-services, and JavaScript. I’m comfortable working with bespoke codebases where the logic must be traced carefully rather than handled through plugins. My focus is clean debugging, secure updates, performance tuning, API/payment integrations, and reliable Git-based delivery through staging before production. What I can support: • Urgent bug fixes and security patches • PHP backend maintenance • Python micro-service troubleshooting • JavaScript/frontend fixes • Checkout and product feature updates • API/payment gateway integrations • Performance and dependency reviews • Clear commits and short changelogs ? What is the first issue or feature currently in the queue? ? Is the PHP backend built on a framework, or fully custom? ? Do you prefer ongoing monthly maintenance or task-by-task support? I can quickly get familiar with the codebase, work safely through Git/staging, and keep the platform stable, secure, and improving. Best regards, Andrew.
$4,000 USD in 7 days
5.9
5.9

Hello! I spend most of my time in exactly this kind of environment: custom e‑commerce backends in PHP with auxiliary Python services and a JavaScript-heavy frontend, where nothing is “just a plugin” and every change means understanding the existing logic first. I’m comfortable stepping into a bespoke codebase, chasing down bugs, tuning performance, and adding features without breaking the subtle behaviors that have grown over time. I’m used to Git-based workflows with staging environments, clear acceptance criteria, and disciplined releases, and I treat security patches, dependency updates, and log-based housekeeping as part of normal maintenance rather than afterthoughts. Integrating third‑party APIs and payment gateways (and doing so safely) is also very familiar territory. For you, I’d focus on three tracks: fast, low‑risk hot-fixes when something breaks; planned enhancements to product and checkout flows that we scope together; and a steady monthly routine of log review, dependency updates, and speed/security audits so the platform stays healthy. I’m happy to sync on the first item in your queue and walk through how I’d approach it and report back.
$3,000 USD in 7 days
5.9
5.9

⚠️ If you're not happy, you don’t pay. ⚠️ Hi there, Thank you for checking my proposal and sharing the detailed project brief. I can maintain and enhance your custom e-commerce site with PHP back-end, Python micro-services, and JavaScript front-end, ensuring it stays healthy, secure, and evolving. I will deliver: • Rapid hot-fixes and security updates • Planned feature enhancements in milestones • Monthly housekeeping tasks for performance optimization You will also receive: • Detailed documentation for all updates • Ongoing support and maintenance I am confident I can execute your vision professionally and efficiently. Looking forward to discussing timeline and next steps. Best regards, Chirag.
$3,750 USD in 7 days
4.4
4.4

I’m Juan Pablo. I’ve spent a good part of my career maintaining and extending fully custom e‑commerce platforms where every feature, every query and every edge case comes from bespoke logic rather than plugins. Your stack—PHP at the core, Python micro‑services handling data tasks, and a JavaScript front‑end—is exactly the kind of environment I’m comfortable working in. I’m used to stepping into codebases that have evolved over years and making improvements without breaking the parts that already work. My workflow is steady and predictable: trace issues quickly, patch them cleanly, and keep performance tight as the platform grows. I can move between backend fixes, checkout improvements, API integrations, security tightening and the occasional deep dive into logs when something odd shows up. I work with Git every day and follow a staging‑first approach, so testing changes before going live is part of my normal rhythm. You’ll get concise commits, a clear changelog, and code that stays readable for the next developer who touches it. If you want to understand how I approach long‑term maintenance, I can walk you through how I structure custom_ecommerce_workflows or how I handle performance_tuning_mixed_stacks so you know exactly what to expect from me.
$3,500 USD in 20 days
4.6
4.6

Hello, I understand the importance of maintaining a custom e-commerce site to ensure its health, security, and growth. With expertise in PHP, Python, and JavaScript, I am well-equipped to handle bug fixes, performance tuning, feature enhancements, security enhancements, and API integrations for your unique codebase. I appreciate your approach of staging changes in a test environment using Git before pushing them live, as it ensures a smooth workflow. I am confident in my ability to provide rapid hot-fixes, planned feature enhancements, and monthly maintenance tasks, all while adhering to clear acceptance criteria and providing concise commit messages. Your project aligns well with my skills and experience, and I am eager to discuss the first item in the queue with you. Let's collaborate to keep your e-commerce site running smoothly and evolving effectively. Best regards, Jayabrata Bhaduri
$4,000 USD in 7 days
4.4
4.4

Honestly, custom e-commerce systems rarely become painful because of the obvious feature work. They become painful because every “small” change touches hidden business logic somewhere in checkout, catalog rules, payment flow, or background data jobs. That’s where developers used to plugin-based platforms usually get lost. Your project stood out for that reason. You’re not looking for someone to install modules or patch around a framework. You need someone comfortable stepping into a fully bespoke codebase, tracing how things actually work, and making changes without introducing side effects somewhere else a week later. What I like about your workflow is that it already reflects real engineering discipline: Git-based changes, staging before release, scoped milestones, acceptance criteria, concise commit history, and ongoing housekeeping. That’s exactly the kind of environment where custom platforms stay maintainable instead of slowly becoming fragile. One question that would help frame the first task properly: in your current codebase, what has historically caused more pain, checkout/payment logic or the Python data-service side?
$4,000 USD in 7 days
4.5
4.5

I understand you're seeking a developer adept at navigating and evolving a bespoke e-commerce platform, much like the custom PHP/Python/JS architecture I've maintained for a high-volume apparel retailer, ensuring seamless updates and feature additions without reliance on off-the-shelf solutions. My approach involves a deep dive into your existing codebase, starting with a comprehensive audit to identify potential vulnerabilities and performance bottlenecks. I'll leverage a combination of static analysis tools (e.g., PHPStan, Pylint) and targeted profiling to pinpoint areas for optimization. For new feature development or API integrations, I'll employ a Gitflow workflow for robust version control and implement unit and integration tests to guarantee stability. My experience with PHP frameworks and Python micro-services ensures I can efficiently trace bespoke logic and implement changes with precision. To ensure we're aligned, could you elaborate on your current deployment pipeline and any specific monitoring tools you have in place? I’m eager to discuss how my skills can contribute to the continued success of your e-commerce platform.
$4,383 USD in 21 days
4.6
4.6

Hi there, thanks for sharing the details of your fully custom e-commerce maintenance work. I’m Cora May (US native), and I’ve supported bespoke PHP back ends with JavaScript front ends and Python micro-services, focusing on troubleshooting, security hardening, and performance tuning without relying on CMS plug-ins. I’m comfortable tracing custom logic end-to-end, reproducing issues, and working from clear acceptance criteria while keeping changes clean in Git with concise commit messages and a short changelog. I can handle rapid hot-fixes, planned feature enhancements, and monthly housekeeping like log review, dependency updates, and speed audits, plus third-party API or payment gateway integrations when needed. , to start, could you share the first item in your queue and the most critical area you want monitored first (checkout performance, security, or data tasks)? Also, what payment gateway(s) and API providers are currently in use so I can align with your existing integration patterns?
$3,000 USD in 7 days
3.8
3.8

Hello, I’ve reviewed your requirements, and I’m confident that they align perfectly with my experience. I can deliver the solution efficiently, with clean, reliable, and scalable code. I’m ready to start right away and will ensure the task is completed as quickly as possible while maintaining high quality. Looking forward to working with you.
$3,000 USD in 15 days
3.3
3.3

Hello, Sir I understand you need a developer who can maintain and improve your custom-built e-commerce system, and I am confident I am a strong fit for this role. I have solid experience working with PHP backends, Python microservices, and JavaScript frontends in complex custom environments where no frameworks or plugins are available. I am comfortable tracing legacy logic, fixing critical bugs quickly, optimizing performance, and implementing new checkout or product features while keeping the system stable. I also have strong experience with API integrations, payment gateways, and security improvements for production systems. I follow clean Git workflows, work efficiently in staging environments, and always provide clear commit messages with short changelogs for transparency. I can support urgent fixes, planned feature development, and ongoing maintenance to keep your platform reliable and scalable. Thank you very much for reading my proposal. Regards.
$4,000 USD in 7 days
2.8
2.8

Hi, I’ve reviewed your custom e-commerce system built with PHP backend, Python microservices, and a JavaScript frontend. This is exactly the type of environment where careful debugging, system understanding, and incremental improvements matter more than frameworks or plugins. The key challenge here is maintaining **stability across a bespoke architecture while safely evolving features without breaking existing checkout, pricing, or data pipelines**. My approach: • Work directly within your existing Git workflow (feature branches, staged testing, clean commits) • Debug and stabilize PHP core logic and frontend JS interactions • Maintain and improve Python microservices for data processing and automation tasks • Handle performance tuning (DB queries, caching, API response optimization) • Implement secure enhancements and patch vulnerabilities when needed • Integrate third-party APIs/payment gateways carefully with rollback-safe changes I’ve worked on custom-built e-commerce and SaaS systems where no framework abstraction existed, so tracing logic across services and ensuring safe deployments in staging/production workflows is familiar territory. I’m comfortable with ongoing maintenance, fast hot-fixes, and incremental feature development in complex codebases like yours. If you’re ready, we can start with the first item in your queue and assess the system together step by step. Best Regards, Sajat
$3,000 USD in 7 days
2.7
2.7

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