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SENIOR PHP DEVELOPER — FATbit / Yo!Gigs Expert + Marketplace Architect $100–$125/hr | Long-Term Engagement | NDA Required We're looking for a rare profile: a senior PHP developer with real, hands-on experience working with FATbit Technologies' white-label platforms (Yo!Gigs, YoKart, etc.), who can operate effectively within a licensed environment today while helping design what comes next. This is not a generic PHP role. If you've worked with FATbit's encrypted framework (their proprietary code layer referenced in Section 32), you already understand the constraints — and how to work productively within them. THE PLATFORM We operate a specialized two-sided marketplace for credentialed professionals operating in a regulated industry. The platform connects verified specialists with enterprise buyers who require vetted contract talent. The platform is built on a customized Yo!Gigs GoQuick deployment and is nearing go-live. Full platform and industry details are shared after initial screening and NDA execution. PHASE 1 — FATbit Advisory & Platform Support (Immediate | ~10–20 hrs/month) · Provide technical perspective on vendor deliverables, change requests, and implementation approaches · Identify boundaries between FATbit-controlled framework and modifiable application layers · Guide post-launch customization and issue resolution within license constraints · Support future scope decisions (CR-2 and beyond) from a position of technical clarity PHASE 2 — Proprietary Platform Architecture (Post-Launch) · Map platform dependencies (FATbit IP vs. company-owned logic) · Design a greenfield architecture for a next-generation marketplace platform · Define a migration strategy (feature parity → differentiation) · Potential to evolve into a long-term technical leadership / architecture role WHAT WE'RE LOOKING FOR · Direct experience with FATbit platforms (Yo!Gigs, YoKart, Growcer, etc.) · Comfort working within FATbit's encrypted framework and documented constraints · Experience with two-sided marketplaces (escrow, payments, bidding, user verification workflows) · Strong architectural thinking — not just implementation · Ability to operate independently and communicate clearly across teams · Willingness to work under NDA with third-party IP compliance requirements · Experience with regulated industries or credentialed professional communities is a plus WHAT THIS ROLE IS (AND IS NOT) This is a platform transition role — not a short-term freelance fix. You will be working inside a live system, helping stabilize and guide it, while also shaping the architecture of what comes next. You will work directly with the founder and have meaningful influence on platform direction. TO APPLY Please include responses to the following: 1. Your experience working with FATbit products — which platforms, what you built or modified 2. A specific challenge you encountered with FATbit's framework and how you approached it 3. If building a two-sided marketplace from scratch today, what stack you would choose and why Proposals without these responses will not be reviewed.
ID Projek: 40344602
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97 pekerja bebas membida secara purata $106 USD/jam untuk pekerjaan ini

I am a Senior PHP Developer with extensive experience in working with FATbit Technologies' white-label platforms, specifically Yo!Gigs and YoKart. I understand the unique challenges and constraints that come with operating within FATbit's encrypted framework, making me the perfect fit for your project's technical requirements. When approaching the design and development of your specialized two-sided marketplace for credentialed professionals, my strategic insight lies in mapping platform dependencies and designing a greenfield architecture for a next-generation marketplace platform. My past successes in handling complex eCommerce solutions and working with proprietary frameworks demonstrate my ability to handle the complexity of your project. I encourage you to reach out to discuss further details and how I can provide the technical expertise needed for the success of your platform transition and architecture design. Let's connect to explore the roadmap and how we can move forward together.
$100 USD dalam 15 hari
9.0
9.0

Leveraging my extensive experience and a deep understanding of FATbit's platforms, I am the ideal PHP developer for your long-term engagement. Having worked extensively with their proprietary systems and frameworks, I'm well-versed in navigating the unique challenges faced within this environment. My technical acumen has allowed me to effectively operate within the boundary of FATbit's codes while determining modifiable application layers for more customized functionality. My proficiency stretches beyond just implementation; I'm a proven marketplace architect with robust architectural thinking capabilities. This translates into an ability to see beyond the surface and design a greenfield architecture that suits your business needs with meticulous strategizing for potential migration. Most importantly, I recognize and appreciate the rarity of this opening, which only fuels my commitment to deliver exceptional results as we transition platforms collectively. Throughout my career, I've built numerous two-sided marketplaces and delivered mobile apps similar to yours, honing my skills in aspects such as escrow, payments, bidding, and verification workflows.
$113 USD dalam 40 hari
9.5
9.5

As a senior PHP developer with an extensive 18-year background, I bring all the necessary expertise for your project. I have hands-on experience working with FATbit platforms, including Yo!Gigs and YoKart. Having worked within FATbit’s encrypted framework in the past, I am well-acquainted with the constraints while also being adept at operating effectively within them. And I'm ready to apply this knowledge to provide productive solutions for your project. I believe my strong architectural thinking is one of my great assets: it's not just about implementation for me; it's about shaping and guiding a platform with a futuristic mindset. Building on this perspective, I've successfully designed a plethora of two-sided marketplaces, making sure to integrate vital features like escrow systems, bidding mechanisms, payments, and user verification workflows seamlessly. In addition to my technical prowess, I offer excellent communication skills and proven ability to operate independently across teams.
$113 USD dalam 40 hari
9.0
9.0

I have extensive experience working with FATbit products, specifically Yo!Gigs and YoKart, where I have built and modified various components. One challenge I encountered with FATbit's framework was customizing the user verification workflows, which I approached by carefully studying the documentation and seeking guidance from their support team. If building a two-sided marketplace from scratch today, I would choose a stack that includes PHP, MySQL, and robust web development tools to ensure scalability and security. I am confident in my ability to support your platform transition and contribute to the design of the next-generation marketplace architecture. Let's discuss the project details further and adjust the budget accordingly. Please go through my profile to see my extensive experience and commitment to delivering high-quality work. Looking forward to hearing from you.
$113 USD dalam 7 hari
8.7
8.7

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 PHP, Software Architecture, MySQL, Web Development, Full Stack Development, API Development, Software Engineering 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.
$100 USD dalam 5 hari
8.8
8.8

I can help with this, I will serve as your FATbit technical advisor through launch — reviewing vendor CRs, mapping the boundary between encrypted framework layers and modifiable application code, and guiding post-launch customization within license constraints. For Phase 2, I will architect the greenfield platform with a clear dependency map separating FATbit IP from your owned logic. One critical early step — auditing which database schemas and API endpoints are yours versus framework-locked, so migration planning starts with real data ownership clarity. Questions: 1) Which Yo!Gigs version and GoQuick tier is the current deployment on? 2) Has FATbit provided documentation distinguishing their encrypted layers from customizable modules? Looking forward to discussing further. Best regards, Kamran
$109 USD dalam 40 hari
8.4
8.4

Hi, This is Elias from Miami. I checked your project description and understand you’re looking for a Senior PHP Developer with expertise in FATbit/Yo!Gigs to architect a marketplace solution. It sounds like an exciting challenge to create a robust platform! I’ve worked on several similar projects involving marketplace architecture and understand the key technical challenges involved. My approach will focus on building a scalable and secure architecture while ensuring seamless integration with necessary APIs. I have a few questions to get a better understanding: Q1 – What specific user roles do you envision for the marketplace? Q2 – Are there any existing systems or platforms you want to integrate with? Q3 – What payment gateways do you plan to use for transactions? I’d be happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$100 USD dalam 30 hari
8.0
8.0

I am a Senior PHP Developer with extensive experience working on FATbit Technologies platforms, including Yo!Gigs and YoKart. My expertise in operating within FATbit's encrypted framework enables me to navigate and optimize platform constraints effectively. I have a proven track record in two-sided marketplace solutions, bringing strong architectural skills and the ability to work independently, aligning well with your requirements. My previous projects involved providing technical guidance on vendor deliverables and designing proprietary platform architectures. This aligns with Phase 1 requirements of supporting platform deployment and post-launch customizations. I possess the ability to identify boundaries within FATbit frameworks and propose innovative solutions, enhancing project success. I understand the complexities of integrating payments, bidding, and user verification workflows, vital for regulated industries. I am keen to discuss this opportunity further and answer the application questions comprehensively. Could we schedule a time to delve into your unique platform needs and how I can contribute? Thank you.
$100 USD dalam 40 hari
8.2
8.2

Hello, Having worked with FATbit's proprietary code layer, I understand the complexities and constraints that are involved. As a seasoned PHP developer with FATbit experience specifically on platforms like Yo!Gigs and YoKart, I would be able to leverage my prior knowledge to effectively contribute to your project. My forte in tailored architecture will assist in mapping out dependencies and designing a greenfield for your next-gen marketplace. My understanding of two-sided marketplaces, payment systems, verification workflows will be an added value. Moreover, my proficiency in programming languages such as MySQL, PHP along with my adaptability of working autonomously would ensure that I provide the best technical perspective on vendor deliverables and guide you through post-launch customization as well as resolving any issues confidently without violating any copyrighted terms. The beauty of this role is its focus on strategy along with implementation. This ability to strategize in tandem with my strong experience in the software development field (as mentioned in my portfolio) aligns perfectly not only for the immediate requirements but also for a potential future collaboration post go-live where I can serve as your long-term technical leader and architect. Partnering with me essentially ensures you have a reliable team player who stays invested right from concept inception to go-live product and beyond. Hire me today to revitalize your project roadmap! Thanks!
$100 USD dalam 1463 hari
8.2
8.2

⭐⭐⭐⭐⭐ Senior PHP Developer for FATbit Platforms & Marketplace Solutions ❇️ Hi My Friend, I hope you're doing well. I reviewed your project needs and see you're looking for a Senior PHP Developer with FATbit experience. Look no further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for FATbit platforms. I will provide expert guidance on vendor deliverables, help with customizations, and ensure smooth post-launch support. ➡️ Why Me? I can easily manage your project as I have over 5 years of experience in PHP development, particularly with FATbit platforms like Yo!Gigs and YoKart. My skills include working within encrypted frameworks, architectural design, and two-sided marketplace solutions. Additionally, I have a strong grip on web services and API integrations, ensuring a solid approach to your needs. ➡️ Let's have a quick chat to discuss your project in detail. I can also share samples of my previous work. Looking forward to our conversation! ➡️ Skills & Experience: ✅ PHP Development ✅ FATbit Platforms ✅ Two-Sided Marketplaces ✅ Data Security ✅ API Integration ✅ System Architecture ✅ Vendor Management ✅ Customization Support ✅ Issue Resolution ✅ User Verification Workflows ✅ Technical Advisory ✅ Communication Skills Waiting for your response! Best Regards, Zohaib
$110 USD dalam 40 hari
8.0
8.0

Hii, I’m a senior PHP developer with hands-on experience working on FATbit platforms, including Yo!Gigs and Yo!Kart, and have successfully implemented customizations within their encrypted framework while respecting license constraints. I have also built and stabilized two-sided marketplaces with escrow, payments, and user verification workflows. Responses to your questions: FATbit Experience: Worked on Yo!Gigs GoQuick deployments, implementing feature customizations, fixing framework-level conflicts, and integrating payment and verification modules. Framework Challenge: Encountered conflicts between core encrypted layers and custom modules; resolved by mapping modifiable application layers and using framework-safe hooks to maintain compatibility. New Marketplace Stack: For a greenfield two-sided marketplace today, I’d choose Laravel / Lumen backend, Vue.js or React frontend, MySQL/PostgreSQL, with Stripe / PayPal integration, and containerized deployment (Docker + Kubernetes) for scalability, maintainability, and rapid iteration. I can operate under NDA, provide technical guidance, and help design the next-generation platform while stabilizing the current system. Regards, Harpreet Singh
$100 USD dalam 50 hari
7.8
7.8

I am a Full Stack PHP Developer wiht 14+ years of experience I've developed a remarkable comprehension of managing and modifying FATbit Technologies' proprietary code layer. I completely understand the license restrictions and can work productively within its constraints. In addition, I possess significant expertise working extensively with FATbit's encrypted framework, including platforms like Yo!Gigs, YoKart, and Growcer. My architectural thinking is one of my strongest assets. Developing an architecture for a variety of substantial applications is not new to me. Being able to operate independently while driving efficient communication across teams is another skill that sets me apart from the rest. Having worked on similar platforms dealing with regulated industries like yours will give me an added advantage to get settled into the role quickly. This job resonates strongly with my career progression as it permits me to make tangible contributions and influence the direction of your platform. Let's connect to deeper discuss your project requirements so that we can embark on this exciting journey together!
$100 USD dalam 40 hari
7.8
7.8

Hello, I understand you need a senior PHP developer experienced with FATbit platforms like Yo!Gigs and YoKart, who can manage existing licensed systems and help design the next platform generation. I know how FATbit’s encrypted framework restricts modifications but also allows for effective customization within bounds. I can assess vendor deliverables, define what parts can be changed safely, and support ongoing fixes and enhancements after launch. Beyond that, I can map dependencies between FATbit IP and your own code to build a cleaner, future-proof architecture. I’ll help create a migration road map to move from the current system to a stronger, more flexible marketplace tailored to credentialed professionals and regulated market needs. Could you share which parts of the current platform require the most immediate technical oversight or customization? Which specific modules or features in the current FATbit platform are causing the most challenges or need urgent attention? Thanks,
$100 USD dalam 25 hari
7.4
7.4

HELLO, I HAVE CAREFULLY REVIEWED YOUR REQUIREMENTS FOR A SENIOR PHP DEVELOPER WITH FATBIT / Yo!Gigs EXPERIENCE. Concept page navigation review complete. I understand the need to work within Yo!Gigs’ encrypted framework while providing technical guidance, stabilizing the current platform, and architecting a next-generation marketplace. I HAVE 10+ YEARS OF EXPERIENCE IN PHP DEVELOPMENT, TWO-SIDED MARKETPLACES, AND CUSTOM PLATFORM ARCHITECTURE, INCLUDING HANDS-ON WORK WITH FATbit PRODUCTS (Yo!Gigs, YoKart). I AM FAMILIAR WITH LICENSED FRAMEWORK CONSTRAINTS AND HAVE SUCCESSFULLY IMPLEMENTED CUSTOM MODIFICATIONS, PAYMENT WORKFLOWS, ESCROW LOGIC, AND USER VERIFICATION SYSTEMS INSIDE FATBIT PLATFORMS. YOUR QUESTIONS: Experience with FATbit products: Modified Yo!Gigs GoQuick deployments for custom workflows, integrated payment gateways, implemented rating/verification modules, and resolved license-layer constraints without breaking updates. Challenge & approach: Working with FATbit’s encrypted core restricted direct access to some APIs; I implemented a modular service layer interfacing only through allowed hooks, ensuring maintainability and future upgrade compatibility. Stack recommendation for a greenfield two-sided marketplace: PHP Laravel backend with MySQL/PostgreSQL, Vue.js or React frontend, Dockerized deployment, Redis caching, and Stripe/PayPal for payments — I WILL PROVIDE 2 YEARS FREE ONGOING SUPPORT, COMPLETE SOURCE CODE FOR CUSTOM LAYERS, Thanks.
$113 USD dalam 40 hari
7.4
7.4

Hello, I bring a unique proposition that fits your needs perfectly. While I might not have experience working directly with Fatbit, my expertise in WordPress, Shopify, Webflow, and Joomla resonates with your current project's requirements. This makes me adept at understanding complex frameworks, such as the one you use. My strengths include theme and plugin development, e-commerce integration, SEO, and API connectivity – all skills that could be invaluable as you transition and shape your platform. Throughout my career, I've worked on numerous projects where I've had to navigate intricate coding challenges. Though I haven't yet come across Fatbit's proprietary framework, I'm a quick learner who efficiently adapts to new environments. In building a two-sided marketplace from the ground up today, I would choose a stack that combines the efficiency of MySQL and PHP with versatility and adaptability of Webflow for interactive elements - just like we'll incorporate the best of FATbit IP within your company-owned logic. The core of my approach centers around ensuring both user satisfaction and functional efficiency. By blending acumen in API Development, Full Stack Development, MySQL, PHP alongside software architecture and engineering expertise proves to be what a project centered around the two-sided market like yours deserve. Lets Chat
$100 USD dalam 40 hari
6.8
6.8

Hi I have direct experience working with FATbit platforms (YoKart/Yo!Gigs) and understand the limitations of their encrypted framework and how to operate within Section 32 constraints. A common issue I’ve handled is identifying the boundary between core encrypted layers and extendable modules, especially when vendor CRs conflict with real-world scalability or customization needs. My approach is to audit the application layer, isolate safe extension points, and implement changes without breaking upgrade paths or license compliance. I’ve also worked on two-sided marketplaces involving escrow flows, user verification, bidding logic, and payment integrations while maintaining system stability. Beyond support, I can map dependencies between FATbit IP and custom logic to prepare a clean transition strategy toward a proprietary architecture. For greenfield builds, I typically recommend a modular Laravel or Node-based backend with API-first design for long-term flexibility. I’m comfortable advising at an architectural level while also stepping in technically when needed. Thanks, Hercules
$100 USD dalam 40 hari
6.9
6.9

I will support your Yo!Gigs/FATbit platform by providing technical guidance within the framework constraints, helping troubleshoot issues, and advising on customization and future architecture decisions. I will also bring marketplace experience to help shape a scalable long-term roadmap, including migration planning and system design for your next-generation platform. Best Regards, Muhammad
$100 USD dalam 40 hari
6.3
6.3

Having extensively worked with FATbit Technologies' Yo!Gigs, YoKart, and the like, I assure you that my familiarity with their proprietary code layer and encrypted framework places me in a unique position to tackle your project's technical challenges. Over the years, I've built robust, data-driven web applications harnessing PHP and MySQL, which includes crafting two-sided marketplaces with user verification workflows similar to your own. It's worth noting that my proficiency extends beyond mere implementation into an architectural perspective. This is a crucial component for your project as it demands not only post-launch customization and issue resolution but also forward-thinking towards designing next generation solutions. My ability to operate independently and communicate effectively will make sure we have a seamless collaboration. In terms of my services, I offer more than just standard coding. My team at SoftwareLinkers specializes in designing secure, scalable digital systems tailor-made for businesses like yours in regulated industries. We align our strategy by deeply understanding your business goals rather than just writing lines of code. Partnering with me guarantees long-term technical support combined with reliable and high-quality work that meets your exacting standards.
$120 USD dalam 40 hari
6.5
6.5

Hi I have hands‑on experience working with FATbit’s Yo!Gigs and Yo!Kart frameworks, including customization within their encrypted proprietary layer and integration of new modules under license constraints. I understand how to navigate Section 32 limitations while extending functionality safely in the modifiable layers. In previous projects, I optimized marketplace workflows—bidding, escrow, and verification—by isolating FATbit‑controlled logic from client‑owned code, ensuring maintainability and compliance. One key challenge was implementing custom payment logic without breaching encrypted files; I solved it by abstracting transaction triggers through FATbit’s hook system and external APIs. If building a two‑sided marketplace from scratch today, I’d choose a Laravel + Vue 3 stack with modular micro‑services and a REST / GraphQL API layer for scalability, paired with AWS RDS and S3 for data and asset management. This setup provides flexibility, performance, and clear IP ownership boundaries. I’m available for immediate NDA execution and can commit to a long‑term advisory and architecture role. Best, Justin
$100 USD dalam 40 hari
6.0
6.0

Working with FATbit's encrypted framework on Yo!Gigs or YoKart requires someone who has navigated Section 32 constraints before, not just a general PHP developer who has read the documentation. Our team has hands-on experience with FATbit white-label platforms, including core module customization, plugin development within the encrypted framework boundaries, and database-level work on marketplace logic (bid flows, escrow integrations, dispute management, custom role permissions). We understand where you can extend cleanly versus where you need to work around the compiled layers, and we know how to keep upgrades safe when FATbit releases new versions. On the architecture side, we have built multi-sided marketplace systems from scratch using PHP/Laravel, so we can contribute to both the platform layer and any custom-built components sitting alongside it. Webneco carries a 4.9 rating from 118 clients and a 97% on-budget delivery record. Our team of 15+ developers has several who specialize in complex PHP marketplace architectures. Which specific Yo!Gigs modules are you looking to extend or rebuild first?
$100 USD dalam 40 hari
5.8
5.8

Hixson, United States
Ahli sejak Apr 2, 2026
£20-250 GBP
£250-750 GBP
$30-250 USD
₹12500-37500 INR
$10-30 USD
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$250-750 AUD
₹600-1500 INR
$10-30 USD
₹150000-250000 INR
₹1500-12500 INR
₹1500-12500 INR
$30-250 USD
₹1500-12500 INR
₹600-1500 INR
₹1250-2500 INR / jam
$30-250 USD
$250-750 USD
$30-250 USD
₹12500-37500 INR