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We are developing a sovereign, end-to-end encrypted enterprise messaging platform (on-premise, zero cloud). We need a talented UI/UX designer and front-end developer to: [login to view URL] a full graphic identity (logo, color palette, typography, icon set, design system) [login to view URL] and build 17 interactive screens as a fully browsable prototype on Firefox / Windows 11 [login to view URL] clean, modern, professional UI inspired by WhatsApp Desktop aesthetics but adapted for a secure enterprise environment We need a purely front-end simulation with static/mock data — no real messaging behavior needed. All states (read receipts, encryption badges, presence indicators) will be hardcoded/mocked. A separate back-end engineer will handle the live engine integration later. PHASE 1 — Graphic Identity (Deliverable before screens) Logo design (SVG + PNG, light & dark versions) Color palette (primary, secondary, accent, status colors) Typography selection (font pair for UI) Icon set (custom or adapted — encrypted, shield, destruct, schedule, location, reports, admin icons) Design tokens / style guide document (PDF or Figma) Dark theme + Light theme variables PHASE 2 — UI Design (Figma or Adobe XD) Full design of all 17 screens PHASE 3 — Front-End Build (Browsable Prototype) Built in HTML5 / CSS3 / JavaScript (or React — your choice) Must run locally and be fully browsable on Firefox (latest) / Windows 11 No backend required — static/mock data is fine All 17 screens must be clickable and navigable Responsive to 1920x1080 and 1440x900 screen resolutions Sidebar navigation, modals, popups, tooltips must all function Smooth transitions between screens DESIGN STYLE REQUIREMENTS Inspiration: WhatsApp Desktop (dark theme, clean bubbles, left sidebar chat list) Tone: Professional, secure, enterprise-grade Theme: Dark mode primary (with light mode option) Key visual elements to include: o E2E encryption badge (always visible) o Green secure connection indicator o Auto-destruct timer visual o Scheduled message indicator o Server connection status bar o Avatar initials (no photos, enterprise style) DELIVERABLES Deliverable Format Logo files SVG, PNG (x2, x3) Style guide PDF + Figma/XD file All 17 screen designs Figma or Adobe XD (with components) Browsable prototype HTML/CSS/JS folder (ZIP) Font + asset files Included in ZIP README How to open/run on Firefox TECHNICAL CONSTRAINTS ✅ Firefox (latest stable) — primary target browser ✅ Windows 11 — target OS ✅ No external API calls or CDN dependencies (must work offline) ✅ All fonts must be embedded locally ✅ No backend, no database — mock/static data only ❌ No Chrome-only CSS features ❌ No cloud-hosted assets IDEAL CANDIDATE PROFILE Strong portfolio in enterprise SaaS / messaging app UI Experience with dark theme design systems Proficiency in HTML5/CSS3/JS or React Familiarity with WhatsApp / Slack / Teams UI patterns Able to work from partial specifications and fill in gaps creatively Experience creating brand identity from scratch is a strong plus Good English communication (French is a bonus)
Project ID: 40474537
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Hi there, We understand you're developing a secure enterprise messaging platform and need a skilled UI/UX designer and front-end developer to create a comprehensive graphic identity and build 17 interactive screens as a browsable prototype. Our team at Webbook Studio has experience in designing professional UI, including a learning platform website for children and a website for an electric bike company, both using custom design and PHP. We're proficient in HTML5, CSS3, JavaScript, and React, and have worked with design systems and dark themes. Can you share more about your vision for the graphic identity and how it should reflect the platform's secure and enterprise-grade nature? Feel free to message us to discuss the details! — Webbook Studio
€18 EUR in 40 days
9.1
9.1

Hi, I have extensive experience in UI/UX design, having built identity systems and prototypes for enterprise applications. In Phase 1, I can deliver a compelling logo, color palette, and design tokens. For Phase 2, I will design all 17 screens in Figma or Adobe XD, ensuring a modern look akin to WhatsApp Desktop but tailored for security. Finally, in Phase 3, I will create a fully browsable prototype using HTML5/CSS3/JavaScript, ensuring it runs smoothly on Firefox and Windows 11. I have a strong portfolio that highlights my work in enterprise SaaS applications and proficiency in dark theme design. Let’s discuss how I can help bring your vision to life! Best, Priyanka
€12 EUR in 40 days
8.4
8.4

⭐⭐⭐⭐⭐ 0As an industry expert with an extensive background in graphic design, web design, and website design, my team at CnELIndia has a wealth of experience that makes us perfectly suited for your UI/UX customization project. We've successfully delivered numerous projects similar to yours over our 18-year span, demonstrating our commitment to providing clean, modern designs that meet all functional requirements. Our skills extend to HTML5/CSS3/JS and React, and we understand first-hand the intricacies of creating fully interactive prototypes that run seamlessly under the desired environment. Given the browser and OS of your target platform are Firefox and Windows 11 respectively, rest assured that we'll optimize our work specifically for this niche catering to the 1920x1080 and 1440x900 screen resolutions. We code with high precision ensuring a fully responsive design across these resolutions. Moreover, we understand your need for a professional appearance befitting an enterprise-grade messaging platform while incorporating secure visual elements such as end-to-end encryption badge, secure connection indicator among others. We appreciate your emphasis on a strong design system and can ensure you a well-documented and organized approach to this work through the delivery of style guides in PDF format, Font files included in ZIP folder. Thereby substantiating a well-informed decision in favor of CnELIndia for your project needs.
€15 EUR in 40 days
8.4
8.4

Dear , We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in Website Design, Graphic Design, Logo Design, User Interface / IA, UX / User Experience, UI / User Interface, Figma, Web Design 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.
€22 EUR in 5 days
8.8
8.8

Hi, I’d love to help design and build your secure enterprise messaging platform prototype. I have experience creating modern SaaS/messaging UI systems, dark-mode design languages, responsive frontend prototypes, and complete Figma-based design systems with developer-ready structure. ✅ Full brand identity & design system creation ✅ Enterprise-grade dark/light UI design ✅ WhatsApp/Slack-inspired messaging UX ✅ Interactive 17-screen browsable prototype ✅ Offline-ready HTML/CSS/JS or React frontend ✅ Firefox + Windows 11 compatible implementation I’m comfortable handling the project end-to-end — from logo and visual identity to polished frontend prototype delivery with clean, maintainable code and smooth interactions. Best, Uttam Shingala
€12 EUR in 40 days
8.3
8.3

Hello, Hope you are doing well, I will first create the branding package including logo, typography, color system, icons, and design tokens, then design and develop fully browsable responsive prototype screens with mocked states, smooth interactions, and Windows 11/Firefox compatibility using modern front-end architecture. I have 10+ years of experience in UI/UX design, enterprise dashboard systems, secure communication platforms, and front-end development with clean scalable design systems. Please share the complete screen list, preferred tech stack (React/Vue/HTML), and any reference platforms so we can discuss the workflow and start immediately. thank you Regards Gaurav Garg
€15 EUR in 40 days
8.3
8.3

As an experienced WordPress & Shopify Developer and Website Designer with over 14 years in the field, I bring a unique set of skills perfectly suited to your UI/UX Customization project. I have a rock-solid understanding of Figma, Graphic Design, Logo Design, User Interface / IA, Web Design, and Website Design that are directly in line with your requirements. Having worked on diverse projects like yours before, I’m confident in my ability to deliver exceptional results for your enterprise messaging platform. My proven track record of executing large projects timely alongside my commitment towards providing long-term support gives you the assurance of an extended partnership beyond project completion. With all these factors combined, I believe I am the best fit for phases 1-3 of your project. Let's get started creating an elegant graphic identity and modern UI for your secure enterprise environment
€15 EUR in 40 days
8.2
8.2

Hello there , I’ve carefully checked your requirements and really interested in this job. I’m working as a freelance graphic designer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I have rich experienced in Graphic Design, User Interface / IA, UI / User Interface, Figma, Website Design, Web Design, UX / User Experience and Logo Design. For more information about me, please refer to my portfolios. I am checking your attachment, I'll update you shortly... I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Thank you for your attention
€42 EUR in 36 days
8.4
8.4

Hi there, ★★★ UI/UX Design Expert ★★★ 8+ Years of Experience ★★★ I can create a full graphic identity and design 17 interactive screens with a fully browsable prototype. This will include: - Logo design with light & dark versions - Complete color palette and typography selection - Design of 17 interactive screens in Figma or Adobe XD - Browsable prototype built in HTML5/CSS3/JavaScript or React My approach will involve using Figma for the design and ensuring all screens are responsive and functional in Firefox on Windows 11. I'll focus on creating a clean and professional UI inspired by WhatsApp Desktop aesthetics. Ready to start once you provide the design specifications and any existing assets. Thanks!
€15 EUR in 40 days
8.0
8.0

Hello There Regarding your project ( Element Matrix UI/UX Customization), We would like to grab this opportunity and will work till you get 100% satisfied with our work. With over 12 years of expertise in graphic design, logo design, brand identity, Photoshop, Illustrator, and more, our accomplished team has made a significant impact across the UAE, USA, Saudi Arabia, UK, and many other countries. Our extensive international experience and commitment to excellence ensure we deliver exceptional and captivating results every time. will provide fully editable source files in various formats, including AI, EPS, PDF, JPEG, PNG. Our experienced team creates captivating Logo Design, Graphic Design, Website Design, Web Design with skill and creativity. Please check out my profile: https://www.freelancer.com/u/engmoriadham. If you like what you see, let's connect in chat to discuss how we can bring your vision to life. I will make sure to protect your payments, If you are not happy with the end result, I will fully refund your milestone/s. Regards, Adham
€50 EUR in 40 days
7.9
7.9

As an experienced UI/UX designer and front-end developer, I bring a unique set of skills that align perfectly with your project needs. Having worked extensively on designing and developing secure enterprise applications, I'm well-versed with the intricacies and aesthetics involved in creating a platform that guarantees the highest level of data encryption. This includes creating clean, modern, and professional UIs in line with your requirement of WhatsApp Desktop aesthetics adapted for a secure enterprise environment. With a strong creative inclination, I can generate intuitive designs from partial specifications and fill in gaps creatively. Additionally, my expertise with dark theme design systems and familiarity with UI patterns of leading messaging platforms like WhatsApp will ensure that your project results in an aesthetically pleasing, user-friendly prototype. My extensive portfolio showcases a range of successful UI/UX projects including SaaS and messaging app interfaces.
€12 EUR in 1 day
8.0
8.0

--- Sovereign Enterprise Messaging Platform UI/UX & Front-End Prototype --- This is a very strong and well-structured product vision, and I’d love to help design and build the complete front-end experience for your sovereign encrypted messaging platform. The combination of enterprise-grade security aesthetics, offline-first constraints, and WhatsApp Desktop-inspired usability makes this an especially interesting UI/UX challenge. Deliverables • Logo package (SVG/PNG) • Full design system & style guide • Figma/XD source files • All 17 designed screens • Fully browsable prototype • Source code package (ZIP) • Embedded assets/fonts • README with Firefox launch instructions Lets connect... Thanks
€15 EUR in 40 days
7.8
7.8

With 10+ years of experience in UI/UX design and front-end development for enterprise-grade platforms, I can deliver a clean, secure, and modern messaging experience inspired by WhatsApp Desktop while adapting the interface for encrypted enterprise communication workflows. I can handle the complete process from logo design, typography, iconography, and design system creation to interactive Figma screens and final front-end prototype development using HTML5/CSS3/JavaScript or React with fully local assets and no external dependencies. The prototype will include responsive layouts, working navigation flows, modals, tooltips, smooth transitions, dark/light themes, encryption indicators, auto-destruct visuals, scheduled messaging states, and enterprise-focused UI patterns with clean developer-ready structure. I WILL PROVIDE 2 YEARS FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE, DESIGN FILES, AND ASSETS. WE WILL WORK WITH AGILE METHODOLOGY AND PROVIDE ASSISTANCE FROM BRAND IDENTITY CREATION TO FINAL DELIVERY AND TESTING. I am available for discussion immediately and can start with the graphic identity phase after reviewing your detailed workflow and screen expectations. I eagerly await your positive response. Thanks
€12 EUR in 40 days
7.4
7.4

Hello I understand your request and can design a modern, user-friendly UI/UX for your enterprise SaaS and messaging platform with a strong focus on usability, security, and clean workflows. With 6+ years of experience, my team specializes in React-based interfaces, design systems, and responsive frontend development. We focus on creating visually polished and highly functional experiences backed by reliable long-term support. Let’s connect.
€14 EUR in 40 days
7.1
7.1

CHECKED given attachmnets ---------I reviewed your project details and highly capable to handle this task WIN UI/UX Customization . I am an INNOVATIVE PHP/CodeIgniter / Full stack developer having great expertise with all the latest CRM and Frameworks. I will deliver you high quality work . I have some queries to give you accurate time. Please ping me to get started and provide you great results. Thanks
€15 EUR in 40 days
6.9
6.9

Hi there! I'm Markiyan, a full stack developer and CEO of a web agency, and I'd love to help you with UI/UX customization for your enterprise messaging platform. I understand you need a talented UI/UX designer and front-end developer to create a full graphic identity and design 17 interactive screens as a fully browsable prototype, inspired by WhatsApp Desktop aesthetics but adapted for a secure enterprise environment. My team and I have experience with similar projects, including designing and building custom UI/UX for web applications, and we're proficient in HTML5/CSS3/JS and React. We've also worked on creating brand identities from scratch, including logo design, color palettes, and typography selection. I can deliver a modern, professional UI that meets your requirements, including a dark theme with a light mode option, and all the necessary design elements such as an E2E encryption badge and a green secure connection indicator. One question: do you have any existing brand guidelines or preferences that we should follow while creating the graphic identity, or would you like us to come up with a completely new design concept? Feel free to message me to discuss the details! — Markiyan
€15 EUR in 40 days
6.9
6.9

Having worked extensively over the past 15+ years as a Senior Software Architect, I've gained a remarkable understanding of what it takes to create secure, scalable, and business-driven software. My proficiency extends across various technologies including HTML5/CSS3/JS, React and Adobe XD. This perfectly aligns with your goals for this project. Safety is crucial in enterprise messaging platforms and my experience designing secure applications, combined with an appreciation of dark mode aesthetics (which we also see in WhatsApp Desktop), will bring the right balance of functionality and visual appeal to your UI design. Furthermore, I've built software systems that have operated entirely offline, without external API calls or cloud-hosted assets – just like your desired end-product. This unique technical capability ensures that I'll be able to meet all your project constraints. Overall, I believe my extensive experience developing clean, modern, professional User Interfaces that are both functional and aesthetically pleasing makes me an excellent candidate for this project. It would be a privilege to combine the best of what I've learned about body-plus-security interfaces with the needs of yours exciting undertaking. By working with me, you can rest assured that you'll get not just top-quality work but also strong communication throughout the process. Let's discuss further how we can transform your vision into a reality.
€12 EUR in 40 days
6.9
6.9

Hi! My name is Marjan and I'm here to offer you my services as a skilled applicant with over a decade of experience working on Freelancer.com. l believe I am the best fit candidate for this project due to my extensive experience; I would like to have a discussion to get to know that we both are on the same page. Once the scope will be locked, I will start working on it right away.
€15 EUR in 40 days
6.9
6.9

Hi there, I can design and develop your full end-to-end encrypted enterprise messaging platform, including the complete UI/UX system (logo, typography, color palette, icons, and design tokens) and a fully browsable 17-screen offline prototype built in clean HTML/CSS/JavaScript or React, optimized for Firefox on Windows 11 with a secure, WhatsApp-style enterprise interface adapted for your E2E encrypted requirements. Before I prepare a detailed proposal and timeline, how many total user roles/screens (admin, user, enterprise, etc.) should be included in the 17-screen flow? Kindly send me message to discuss more in detail . So I could share my previous work samples with you. Thank you!
€15 EUR in 40 days
6.7
6.7

Hello, You've mentioned the need for a talented UI/UX designer and front-end developer for a secure enterprise messaging platform project. With a strong background in enterprise SaaS UI design and experience in creating dark theme design systems, I am confident in my ability to deliver a clean, modern, and professional UI inspired by WhatsApp Desktop aesthetics. For your project, my approach would be to first focus on creating a comprehensive graphic identity including logo design, color palette, typography, and icon set before moving on to designing the interactive screens. I would love to discuss how we can creatively incorporate the key visual elements you've outlined to ensure the design aligns with the secure and professional tone you are aiming for. To see examples of my previous work, please visit my portfolio: https://www.freelancer.com/u/SajidaSaqira/SS-Technologies Best regards, Sajida Saqira
€18 EUR in 40 days
6.4
6.4

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