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Project Overview We are building an agnostic, headless SvelteKit CMS designed for maximum flexibility. In our architecture, all collections are defined as JSON structures. The project uses a "Canonical Flat List" architecture: the UI presents a nested tree for organization, but the source of truth is a flat array of nodes in MongoDB, reconciled with JSON-based filesystem definitions. We need a Senior Svelte developer to tighten the Collection Builder on our next branch. Repo: [login to view URL] Core Responsibilities The work is focused on the CollectionBuilder module, which must remain intuitive and simple despite its underlying complexity. Your implementation must cover: 1. Unified Management Interface (CollectionBuilder) The CollectionBuilder is the central hub for structural management. You will build/refine: Nested Reordering: A drag-and-drop treeview (using svelte-dnd-action) allowing users to sort items within a collection and reorder entire categories/folders with a flicker-free UX. CRUD Operations: Seamless creation and editing of both Categories and Collections within the same view. Path Validation: Ensure that reordering doesn't break path logic or create circular dependencies. 2. Widget Attachment & Configuration Each collection utilizes widgets for content management. You must implement: 3-Level Widget Hierarchy: Widgets must support three distinct configuration levels: Default, Extra, and Permissions. Visual Ordering: A dedicated drag-and-drop interface for ordering widget attachments within a collection. Guided Setup: A "spun up" widget/modal that lets users pick a template, name it, and save it to the system. 3. Sync & Safety Workflow The system must maintain absolute integrity between the UI, the Database, and the Filesystem. Save Implementation: On save, the system must trigger /utils/compile to synchronize the GUI state with the physical JSON files on disk. Drift Detection & Data Safety: Before applying changes, the system must detect if a modification (schema change or GUI update) will lead to data loss. User Guardrail: If data loss is predicted, the user must be presented with a clear warning and must confirm before the compile process proceeds. Technical Stack Framework: Svelte / SvelteKit (Headless/Agnostic) State Management: Svelte Stores (Flat List reconciliation) Data Format: JSON for collection definitions Database: MongoDB UI: Tailwind CSS, svelte-dnd-action Deliverables Clean Pull Request against the next branch. Atomic Commits with clear, concise messages. Passing CI/CD: All existing tests and linting must pass. Logic Integrity: Ensure the workflow from UI -> JSON -> Filesystem is robust and error-resistant. Please include "SveltyNext" in your application to confirm you have read the architecture requirements.
Project ID: 40226181
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Hello, I will enhance the Collection Builder in your SveltyCMS. My focus will be on implementing the drag-and-drop layer, streamlining category creation, and adding a safeguard for schema changes. I have extensive experience improving UI/UX in headless CMS platforms. For instance, I optimized a similar drag-and-drop interface in a large-scale project, ensuring both performance and user satisfaction. **Solution Approach:** - Implement a nested drag-and-drop treeview with flicker-free UX. - Develop a guided widget for quick creation of categories and collections. - Introduce a monitoring system for schema changes, with user confirmations for risky updates. - Ensure code quality with detailed commit messages and CI checks. - Optimize state management for responsive UI updates. **Questions:** - What specific templates should the guided widget support? - Are there existing schema changes that need to be monitored? - What are your performance expectations during peak usage? I’m ready to start immediately and ensure a seamless integration. Let's enhance your CMS together.
€8 EUR in 7 days
1.9
1.9
93 freelancers are bidding on average €40 EUR for this job

Hi, Your project to enhance the Collection Builder in the headless SveltyCMS with nested drag-and-drop, streamlined category creation, and safeguard warnings clearly focuses on improving user experience and data integrity , goals I deeply understand and prioritize. With extensive experience in Svelte, JavaScript, Tailwind CSS, and CMS development, I've successfully implemented complex drag-and-drop trees and intuitive UI widgets for content management systems before. I will ensure the drag-and-drop treeview is flicker-free and responsive, build a user-friendly guided widget for instant category creation, and implement robust schema-change safeguards with clear confirmations. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. I will deliver the enhancements with clean commits through a pull request that meets CI standards. Could you clarify if the schema safeguard should also support rollback options in case a risky change is accidentally confirmed? Thanks, Asad
€35 EUR in 1 day
7.1
7.1

Hello, hope you are doing well. I have reviewed the Canonical Flat List architecture and am comfortable working with SvelteKit, Svelte stores, MongoDB, and JSON-based schema reconciliation. I can refine the CollectionBuilder with a clean drag-and-drop tree (svelte-dnd-action), unified CRUD for categories and collections, strict path validation, and a robust save workflow with drift detection and guarded /utils/compile execution. I will ensure UI, JSON filesystem integrity remains consistent and error-resistant. I have 12+ years of experience in web and mobile application development. I have expertise in JavaScript, Node.js, React.Js, WebAPI, AWS, Azure, Angular, TypeScript, jQuery and and I have good expertise in CMS, healthcare, eCommerce, and Cargo CRM software I had worked earlier on that kind of work of our client application. I will deliver a clean PR to next with atomic commits and passing CI. Ready to start. Please send me a message for further conversation. Best Regard
€15 EUR in 30 days
7.0
7.0

Hi, I’d be a strong fit for tightening up the Collection Builder in SveltyCMS because I’m comfortable working directly in existing codebases and delivering clean, review-ready PRs. I can finalize the nested dnd-action treeview with smooth reordering logic and minimal re-renders, build a guided category/collection creation widget that updates state instantly, and implement a schema-change safeguard layer that validates diffs and prompts users before risky mutations are applied. I work carefully with CI in mind and write concise, meaningful commits so review stays simple and transparent. Looking forward for your positive response in the chatbox. Best Regards, Arbaz T
€46 EUR in 7 days
6.4
6.4

Hello Robert K., I am a skilled web developer with expertise in JavaScript, CMS, Svelte, and Tailwind CSS. I have reviewed your project requirements to enhance the Collection Builder in your headless SveltyCMS. With my experience in web development and familiarity with the technologies involved, I am confident in my ability to deliver the improvements you seek. I propose a clear approach to tackle each enhancement, ensuring a smooth drag-and-drop experience, streamlined category creation, and implementation of a safeguard system. I prioritize reliable delivery, clear communication, and attention to detail in my work. I am eager to collaborate with you on this project and invite further discussion on how we can achieve your goals efficiently. Best regards,
€29 EUR in 7 days
5.6
5.6

Hello, You need to enhance the Collection Builder in the SveltyCMS next branch by completing the nested dnd-action treeview for smooth category and item reordering, building a guided category/collection creation widget, and adding schema-change safeguards with confirmation prompts, all delivered via a clean CI-passing pull request. At SEO Global Team, we’ve led complex frontend architecture projects using modern JS frameworks, implemented drag-and-drop UX with state integrity, built dynamic content-management interfaces, and enforced validation layers that protect data consistency. We will refine the treeview with optimized state handling to eliminate flicker, implement a reactive guided creation flow tied to templates, and introduce a schema-diff validation layer that flags risky GUI or model changes before commit, all structured in clear modular commits. Are there existing patterns in the repo you prefer for state management? Should schema validation run purely client-side or also server-side? Is there a target timeline for merging into next? Best regards, SEO Global Team
€29 EUR in 7 days
5.2
5.2

Hello! I understand you’re looking to enhance the Collection Builder in your headless SveltyCMS. I'm excited about the opportunity to deliver a seamless drag-and-drop experience, enabling users to sort items and reorder categories without any flicker. I will implement a guided widget for rapid creation of categories and collections, ensuring instant visibility. Additionally, I’ll introduce a safeguard mechanism for schema changes, providing users with clear warnings to prevent data issues. I’m committed to producing clean pull requests with concise commit messages that adhere to your CI standards. Regards, Davide
€35 EUR in 1 day
4.8
4.8

As an experienced full-stack developer, I understand the ins and outs of not only JavaScript but also its derivatives like Svelte. I've worked on numerous projects where I had to build complex interfaces that were both easy to use and backed by sturdy code, which aligns perfectly with your project's need for collection builder module work. I can ensure the nested reordering feature provides you with a flicker-free user experience by utilizing my proficiency in svelte-dnd-action. Additionally, my expertise in backend development with Node.js and database management with MongoDB makes me the ideal fit for maintaining data integrity across all stages of your CMS. My ability to utilize Svelte Stores for effective state management will efficiently complement the agnostic framework you're using, ensuring the UI, Database, and Filesystem harmoniously sync together without compromising any essential information. You can be rest assured of clean commits and a robust workflow as I have always been committed to delivering high-quality code, meeting deadlines, and exceeding client expectations. I am confident that my skills harmonize well with your requirements and choosing me would guarantee not just a successfully concluded project but also a satisfactory Freelancer+Client relationship. Let’s enhance SveltyNext together!
€30 EUR in 1 day
4.8
4.8

Respected Sir, I'd like to introduce Ninja Tech Sol, a skilled and reliable team with proven experience and strong client satisfaction. We understand the task of enhancing the Collection Builder in SveltyCMS and are confident in delivering accurate and timely results with clear communication and attention to detail. Our team is familiar with drag-and-drop interactions, guided widgets, and schema validation. We will carefully review the existing code and provide a smooth, flicker-free UX as required. We can be found at https://www.freelancer.com/u/ninjatechsols Kind regards, Ninja Tech Sol
€29 EUR in 1 day
4.0
4.0

Hi, I see you want to tighten up the Collection Builder in the SveltyCMS next branch. The tasks are clear, and I’ve worked with Svelte, Tailwind, and nested drag-and-drop before, so I’m comfortable with the structure in your repo. I’d focus on the actual improvements: • Finish the nested dnd layer so sorting items and full categories feels smooth. • Build the simple widget for creating categories and collections with instant updates. • Add the safeguard that checks for schema and GUI risks before applying changes. I can start right away and should have a first working pass in a couple of days. Before I begin, do you want the schema‑risk checks to run on every edit event or only when saving the final structure? Greetings, Slavko
€84 EUR in 4 days
4.1
4.1

Hi, I can help optimize and enhance the CMS Collection Builder in your headless SveltyCMS. I'll implement improvements such as: recreating the nested drag-and-drop treeview layer for smooth sorting and reordering streamlining the new category and collection creation process with a guided widget adding a safeguard for schema or GUI changes that could break existing data I'll review my work through a clean pull request with concise commit messages and ensure it passes the current CI checks. The final project will meet your expected quality and functionality, ensuring a seamless user experience. If you're interested in discussing the project further or would like to proceed, please let me know. Kind regards, M. Hamza
€29 EUR in 1 day
3.8
3.8

Hi there. Should the DnD logic persist across sessions with server-side state, or only affect UI until saved? Want schema warnings based on field-type diffs or broader structural changes? This CMS tweak is well scoped—treeview UX, safe schema handling, and snappy template creation all feel doable. Faced a similar task fixing category nesting in a headless blog tool. Used Svelte + Tailwind + dnd-action with ghost space UX, then added rollback alerts for dangerous edits. Can push clean PRs with tight commits, passing CI, and real improvement to usability. Hope to discuss more on chat. Best, Ivan
€250 EUR in 2 days
3.8
3.8

Hey , I just went through your job description and noticed you need someone skilled in Tailwind CSS, Web Development, JavaScript, CMS and Svelte. That’s right up my alley. You can check my profile — I’ve handled several projects using these exact tools and technologies. Before we proceed, I’d like to clarify a few things: Are these all the project requirements or is there more to it? Do you already have any work done, or will this start from scratch? What’s your preferred deadline for completion? Why Work With Me? Over 180 successful projects completed. Long-term track record of happy clients and repeat work. I prioritize quality, deadlines, and clear communication. Availability: 9am – 9pm Eastern Time (Full-time freelancer) I can share recent examples of similar projects in chat. Let’s connect and discuss your vision in detail. Kind Regards, Zain Arshad
€70 EUR in 3 days
3.8
3.8

Hello, You should assign this task to us because we work comfortably inside structured repos and understand the discipline required for clean PR-driven development. We’re experienced with Svelte/SvelteKit environments and have implemented nested drag-and-drop systems using dnd-action with attention to reactivity, state sync, and eliminating flicker during reorder operations. We focus on preserving store integrity and minimizing unnecessary re-renders, which is critical for a smooth treeview UX. For the guided category/collection creation flow, we would design a lightweight, reactive wizard component that plugs directly into your existing template logic and updates the UI instantly without page reloads. We prioritize predictable state transitions and clean component boundaries so future contributors can maintain it easily. For schema/GUI change protection, we would implement a diff-based guard that compares current schema state against proposed changes and triggers a clear confirmation modal when data integrity risks are detected. This keeps the system safe without overcomplicating the workflow. You’ll receive a focused PR with clear commit messages, isolated changes, and CI-clean code aligned with the next branch standards.
€29 EUR in 7 days
3.7
3.7

✅✅✅✅✅ Only Perfection 100% && Even 99.99% Isn’t Enough For Me. ✅✅✅✅✅ Hello, Greetings , Good afternoon! I am skilled mobile coder with skills including Web Development, JavaScript, Tailwind CSS, Svelte and CMS. "SveltyNext" Please contact me to discuss more about this project. Best Regards
€8 EUR in 5 days
3.7
3.7

Hi there, I’ve reviewed the three focus areas for tightening the Collection Builder in the next branch of SveltyCMS. I’ll complete the nested drag-and-drop treeview (dnd-action) with a flicker-free UX by aligning the UI transitions, state handling, and optimistic updates so sorting items within a collection and reordering whole categories feels seamless. For the guided creation flow, I’ll build a lightweight widget that presets the CMS template, captures a name, saves instantly, and renders the new collection in place without a full reload. I’ll introduce a risk-detection layer that watches schema or GUI changes and surfaces a clear warning with a confirmation step before applying any risky modification. I’ll target concise, CI-friendly commits and ensure the PR passes current checks. What is the preferred approach to handle schema migration warnings in the UI (modal vs inline banner) and any existing naming conventions for new templates? Best regards, Jeric Gonzales
€84 EUR in 3 days
3.6
3.6

Hello. I understand sir needs to refine the SveltyCMS Collection Builder with smooth nested drag and drop, guided creation of categories and collections, and safe schema change detection. I can implement this cleanly in Svelte using dnd-action and Tailwind, focusing on flicker free UX, instant state updates, and maintainable logic. I have experience working inside CMS codebases, improving editor workflows, and delivering PRs with clear commits that pass CI without friction. I will respect the existing architecture, ship a polished solution, and I look forward to working with sir.
€50 EUR in 2 days
3.4
3.4

Hello, I can optimize the CollectionBuilder module in your SvelteKit CMS to ensure seamless structural management, user experience, and data integrity, guaranteeing a robust and efficient workflow ?. My approach: Analyze current CollectionBuilder functionality, refine nested reordering using svelte-dnd-action, implement CRUD operations with robust path validation, and design a 3-level widget hierarchy with guided setup and visual ordering. I'd love to share examples of my previous work on complex SvelteKit projects. Are you available for a quick chat? Kind regards, Abdul
€29 EUR in 1 day
3.3
3.3

Hello, I hope you are doing well. I’m Jordan Rafael, and I’m excited about the opportunity to enhance SveltyCMS’s next-branch Collection Builder. With 3+ years delivering robust .NET backend and modern JS-driven systems, I bring a disciplined approach to frontend architecture, performance, and reliability that aligns with your goals for a smooth, scalable CMS experience. -> Previous Work: - Built and refactored modular CMS and API layers with clean, testable code, focusing on maintainability and security. - Implemented drag-and-drop interactions and tree structures in web apps to deliver flicker-free UX and responsive state management. - Guided template-driven content creation flows, enabling instant preview, named entities, and seamless persistence. -> Development Plan: 1) Finish nested drag-and-drop treeview with performant state handling and minimal re-renders to ensure stable sorting inside collections and reordering of categories. 2) Implement a guided widget for creating new categories/collections, selecting templates, naming, saving, and instant appearance. 3) Add a risk-detection layer that monitors schema/GUI changes, shows clear warnings, and requires explicit confirmation before applying changes. -> Schedule: - Phase 1 (Days 1-5): Implement and test dnd enhancements and UI-driven creation flow. - Phase 2 (Days 6-10): Build and integrate the guided widget; ensure instant rendering across branches and CI checks. - Phase 3 (Days 11-14): Implement risk safeguards,
€35 EUR in 1 day
3.1
3.1

Hello I’m 100% sure I can help you out with this project and meet your expectations. Let’s connect on chat and discuss the requirements in more detail. Lets connect in chat so that We discuss further. Regards Syed Raza
€16 EUR in 1 day
3.0
3.0

With 7 years of experience in web development, I am the best fit to enhance the Collection Builder in your headless SveltyCMS. I have the relevant skills to complete the required improvements for a smoother user experience. How I will complete this project: - Implement the nested drag-and-drop treeview layer for sorting items and categories seamlessly. - Develop a guided widget for creating new categories and collections effortlessly. - Integrate a safeguard to prevent any schema or GUI changes that could potentially disrupt existing data. Tech stack I will use: - SveltyCMS (next branch) - JavaScript - HTML - CSS Having worked on similar solutions in the past, I understand the importance of efficient content management systems. I will ensure that the enhancements to the Collection Builder align with your requirements and expectations. I am confident that my experience and expertise make me the ideal candidate to successfully complete this project.
€8 EUR in 7 days
3.2
3.2

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