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I need a skilled Symfony developer to take my existing application to its next stage. The current build runs well but now requires a broader update that touches three fronts at once: • New capabilities: implement robust user authentication (registration, login, role-based access), wire the app to an external REST API, and build a lightweight custom CMS so team members can manage content without touching code. • Performance boost: profile bottlenecks, refactor slow queries or services, and apply Symfony-friendly caching so page loads stay consistently fast, even after new features land. • Visual refresh: update the design layer to a clean, responsive UI. Feel free to recommend Twig, Stimulus, Tailwind—or another modern stack that pairs smoothly with Symfony—so long as the final result looks sharp on both desktop and mobile. I will provide full repository access, a staging server, and all API documentation. Please share links to comparable Symfony work, outline the steps you’d follow, and estimate how long you expect the migration, feature work, and UI overhaul to take. Clean, well-commented code that passes existing tests is a must; adding new tests for the features you introduce will be appreciated. If you enjoy improving real-world Symfony apps and can collaborate closely over Git, let’s talk.
Project ID: 40198391
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I recently graduated in IT with practical experience in PHP, Symfony, MySQL, Git, and API integration from real projects and self-learning. I am committed to delivering reliable solutions and growing as a professional developer.
€300 EUR in 30 days
0.0
0.0
95 freelancers are bidding on average €468 EUR for this job

Hi there, I’ve read your Symfony upgrade plan with three fronts—new features, performance, and UI refresh—and I’m confident I can deliver. I’ve led multiple Symfony projects through authentication, API integrations, and CMS modules, while keeping code clean, tested, and fast. Here’s how I’ll approach it: start with a security-first auth layer (registration, login, role-based access); connect the app to your external REST API with robust error handling, retries, and caching; build a lightweight CMS for content editors with a simple WYSIWYG and media management; profile the app to find bottlenecks, optimize slow queries/services, and apply Symfony-friendly caching (Redis or APCu as needed); refresh the UI with a responsive design using Twig templates and Stimulus + Tailwind, or another modern stack that fits Symfony; ensure tests pass and add tests for new features. What you’ll get: clean, well-commented code, a staging deployment plan, and clear documentation. I’ll provide a detailed migration plan and a realistic timeline once we confirm scope. I can share links to similar Symfony work and outline the steps I’ll follow in a quick onboarding call. Next steps: grant repo access, confirm staging server config, and decide on the UI stack. What is your current Symfony and PHP versions, and any server constraints?\n\nHow should authentication work in production (session-based vs token-based; 2FA)?\n\nWhich external REST API endpoints and auth method will be used; any rate limits
€750 EUR in 27 days
9.2
9.2

Hi, I understand your Symfony app is poised for its next stage, and you need a confident, methodical upgrade that blends new features, performance boosts, and a sleek UI refresh—all while keeping the system stable and cleanly coded. I have extensive experience working with Symfony, from building robust user management modules to integrating complex REST APIs and optimizing backend queries for speed and scalability. For your visual refresh, I’m comfortable using Twig with Tailwind to create responsive, modern interfaces that look great on any device. I’d start by mapping out your current architecture to identify bottlenecks, then implement the authentication and CMS features carefully, ensuring thorough testing along the way. Next, I’d optimize queries and introduce Symfony-friendly caching for sustained performance. Finally, I’ll redesign the frontend with a responsive approach, focusing on user-friendly navigation and clean design. 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. Could you share more details about the scale of your current user base and any specific content types the CMS will need to handle? Thanks, Asad
€250 EUR in 10 days
8.3
8.3

Hi, ➡️ I read your project description, and I understand youre looking to significantly enhance your existing Symfony application by adding new features, boosting performance, and updating the UI. ⏺️ With over a decade of experience in web development, specializing in Symfony, I am well-prepared to handle all three fronts of your project. Ive successfully implemented user authentication systems, integrated external REST APIs, and developed custom CMS solutions. My focus on optimizing performance and refreshing UIs has revitalized numerous applications, ensuring they are both fast and visually appealing on all devices. Regards, Aftab Ahmad Full Stack Developer (12 Years of Experience)
€250 EUR in 7 days
7.3
7.3

Hi there, I'm excited about the opportunity to advance your Symfony application. With my extensive experience as a top California freelancer and a proven track record of delivering 5-star results, I'm confident I can tackle your project head-on. I specialize in implementing robust user authentication, integrating external REST APIs, and developing user-friendly content management systems—all while ensuring performance and visual appeal stay top-notch. My approach begins with profiling the existing build to identify bottlenecks, followed by optimizing database queries with Symfony-friendly caching techniques. For the design layer, I aim to implement a clean and responsive UI using modern technologies like Tailwind and Twig to ensure a seamless experience across devices. I would love to discuss this project in more detail. Once we align on the specifics, I will provide a clear timeline and actionable steps to begin. What specific user roles and permissions do you envision for the authentication system?
€610 EUR in 1 day
6.7
6.7

Hi, I thoroughly understand your needs for enhancing your Symfony app. With over 5 years of experience in Symfony development, I can implement robust user authentication and integrate with external APIs seamlessly. My expertise in profiling bottlenecks and refining queries guarantees a performance boost, and I’m well-versed in modern UI frameworks like Twig and Tailwind for a stunning visual refresh. I will start by analyzing your current setup, followed by implementing feature updates, optimizing performance, and finally refreshing the UI. I estimate this process will take around 4 to 6 weeks.
€250 EUR in 7 days
7.1
7.1

Hello, I am a seasoned Symfony developer with extensive experience in upgrading and enhancing applications. I understand the requirements of your project, which involve implementing user authentication, integrating with external APIs, creating a custom CMS, optimizing performance, and refreshing the UI. With expertise in HTML, MySQL, PHP, JavaScript, Agile Development, and REST API, I am well-equipped to handle the tasks at hand. I have successfully completed similar projects in the past, and my portfolio showcases my proficiency in Symfony development. I propose to meticulously analyze the current application, strategize the upgrade process, and execute the necessary enhancements to meet your expectations. I am committed to delivering clean, well-commented code that aligns with your project goals. I look forward to discussing the project further and collaborating closely over Git. - MY WORK STATS: ✨ https://www.freelancer.com/u/XanvraTECH Best regards, Warda Haider
€250 EUR in 8 days
6.8
6.8

Hi there, I'm excited about the opportunity to upgrade your Symfony application. With proven experience in Symfony and extensive expertise in user authentication, API integrations, and UI design, I'm confident I can help you enhance your app greatly. To address your needs, I will implement robust user authentication, ensuring seamless registration, login, and role-based access. I'll connect your app to the external REST API and create a lightweight custom CMS to allow your team to manage content easily. For performance, I'll profile the application to identify bottlenecks and refactor slow queries while implementing caching strategies to maintain rapid page loads. Lastly, I will refresh your app's design with a clean, responsive UI using modern technologies like Twig and Tailwind, making it appealing on both desktop and mobile devices. I will follow a structured plan that includes clone setup, feature implementation, performance analysis, UI overhaul, testing, and adjustments. I estimate the project will take around 15 days to complete. Thanks,
€650 EUR in 15 days
6.7
6.7

Hi there, I’ve reviewed your PHP project requirements and would be glad to help. With 5+ years of experience in PHP and backend development, I specialize in creating secure, scalable, and high-performing web applications using modern frameworks like Laravel and CodeIgniter. I’ll begin with a clear development plan, share regular progress updates, and ensure the final product is well-tested and optimized for performance and security. Let’s connect to discuss your project goals — I’m ready to get started! Best, Bhargav PHP Developer | Laravel & Backend Expert
€500 EUR in 7 days
6.9
6.9

Hi, I’m excited about the opportunity to bring your Symfony application up to its next level. With nearly a decade of experience in web development, I have the skills and passion to tackle this project effectively. Firstly, I will focus on implementing robust user authentication, integrating with an external REST API, and building a lightweight CMS for content management. Next, I’ll profile existing bottlenecks, refactor slow queries, and apply Symfony-friendly caching techniques to ensure performance remains fast even as new features are added. Finally, I’ll update the design layer to a clean, responsive UI using tools like TailwindCSS or another modern stack that integrates well with Symfony. For this project, I anticipate around 60-80 hours for feature implementation and UI overhaul combined, while performance optimization could take an additional 40 hours depending on current bottlenecks. I will provide detailed steps and a timeline during our initial discussion to ensure clear communication and alignment. You can check the portfolio on my profile for references Looking forward to collaborating closely over Git to bring your application to its full potential!
€650 EUR in 14 days
6.5
6.5

Hi, I’m a Symfony developer with hands-on experience taking stable applications into their next growth phase—adding features, improving performance, and modernising the UI without breaking what already works. How I’d approach your project Feature expansion Implement secure authentication (registration, login, roles/permissions) Integrate the external REST API with clean services and error handling Build a lightweight custom CMS (admin-only) for content management Performance optimisation Profile bottlenecks (Doctrine queries, services, controllers) Refactor slow paths and introduce Symfony-native caching (HTTP cache, Redis/filesystem as appropriate) Ensure performance remains stable as features scale UI refresh Update the front-end with a clean, responsive design Recommend and implement a modern stack (Twig + Tailwind + Stimulus, unless you prefer otherwise) Ensure excellent UX across desktop and mobile Quality & delivery Clean, well-commented code Existing tests kept green; new tests added for new features Work done via Git with clear commits Deployed and validated on staging Estimated timeline Features & API integration: ~2–3 weeks Performance optimisation: ~1 week (overlapping where possible) UI refresh: ~1–2 weeks I’m comfortable collaborating closely via Git and staging environments and would be happy to review your repo and API docs to refine estimates. Let me know if you’d like links to comparable Symfony projects or want to discuss milestones.
€250 EUR in 5 days
6.3
6.3

Hi there, I’m excited about upgrading your Symfony app across authentication, performance, and UI layers. I specialize in Symfony and full-stack development, ensuring smooth integrations, clean code, and scalable solutions. - Implement robust user authentication with role-based access, seamless REST API integration, plus a lightweight CMS for easy content management. - Profile performance bottlenecks, optimize queries & services, and set up Symfony-compatible caching for fast load times. - Refresh UI with a modern, responsive design using Twig and Tailwind for sharp desktop and mobile experience. - Maintain clean, well-commented code and add tests to ensure stability and quality throughout. **Skills:** ✅ PHP & Symfony Framework — expert backend and feature development ✅ REST API integration — seamless external API workflows ✅ MySQL optimization — query profiling and refactoring ✅ Frontend stack — Twig, Tailwind CSS, responsive UI design ✅ Agile Dev & Git collaboration — clean code, tests, and code reviews **Certificates:** ✅ Microsoft® Certified: MCSA | MCSE | MCT ✅ cPanel® & WHM Certified CWSA-2 I can get started right away and will work closely with you for a smooth, well-documented upgrade over the next weeks. Could you share your timeline expectations and any existing pain points in the current app you want prioritized? Best regards,
€700 EUR in 20 days
5.7
5.7

Hi there, A common challenge in scaling Symfony applications is ensuring that new features like custom CMS modules and external API integrations do not compromise performance through bloated database queries or inefficient service container usage. We will address this by profiling your existing architecture using Symfony Profiler and Blackfire to eliminate bottlenecks while implementing a clean Tailwind and Stimulus UI that remains lightning fast. Here are our questions: Does your external REST API use OAuth2 or a different authentication method for the new integration? Are you currently using a specific testing framework like PHPUnit or Behat for your existing test suite? We have successfully delivered numerous high performance Symfony migrations and UI overhauls for complex enterprise platforms. You are welcome to view our portfolio for examples of our clean code standards and responsive designs. We provide 30 days of free support after project completion to ensure your new features and visual refresh perform perfectly in production. Let’s discuss your project today!
€500 EUR in 7 days
5.7
5.7

Hi, I can help take your existing Symfony application to the next stage by extending functionality, improving performance, and refreshing the UI—without disrupting what already works. I’m comfortable working directly in existing Symfony codebases, collaborating via Git, respecting current tests, and adding new tests for the features I introduce. I focus on clean, well-commented, maintainable code. I’d be happy to review the repository, outline a clear step-by-step plan, and give you a realistic timeline covering feature work, performance tuning, and the UI overhaul. Looking forward to discussing your project
€500 EUR in 7 days
5.4
5.4

As a seasoned developer with deep experience in Symfony and expertise in HTML, JavaScript, backend and frontend development, I am confident I can meet the broad upgrade requirements of your Symfony app. I am well-versed in carrying out new implementations such as user authentication, wire-ups to external APIs, and building CMS. Furthermore, my abilities extend to identifying performance bottlenecks and implementing effective caching strategies to ensure consistent fast page loads even with the addition of new features. In terms of the redesign aspect, although I have extensive React Native and Flutter experience, it does not limit me from being well-versed with Symfony's modern counterpart stacks like Twig, Stimulus or Tailwind. My focus is to deliver clean code that passes tests while introducing well-commented test codes for the new features. Suffice it to say that my diverse skills and experience lend themselves perfectly to delivering on all fronts - from robust feature implementation to performance tuning to a visually-refreshing UI for your Symfony app. With me, you get a 'one-stop solution' where you can entrust every aspect of your project to one skilled individual. Let's talk about the steps, timeline for migration & feature works.
€250 EUR in 1 day
5.6
5.6

Hi , I'm very interested in upgrading your Symfony app. I have strong Symfony experience with user auth (registration, login, role-based access), REST API integration, simple CMS builds, performance profiling, query refactors, and Symfony-friendly caching. I can also refresh the UI using Twig with Stimulus and Tailwind for a clean, responsive result. My steps would be: review the repo and current tests, implement auth and API wiring, build CMS admin pages, profile and fix bottlenecks, add caching and tests, and update the frontend. I follow clear, commented code and work via Git. Please see my profile and portfolio for similar Symfony projects. Do you have preferred UI examples or specific roles and permissions you want enforced? Best regards, Saad J.
€450 EUR in 10 days
5.4
5.4

Hello! I understand that you're looking to upgrade your Symfony application with new features, improved performance, and a refreshed visual design. I specialize in Symfony development and can help transform your app with robust user authentication, seamless REST API integration, and a user-friendly custom CMS. My approach will focus on identifying performance bottlenecks and implementing Symfony-friendly caching to ensure speedy page loads even after enhancements. For the UI, I recommend using Tailwind with Twig for a modern, responsive design that looks great on both desktop and mobile devices. Please see my portfolios for examples of similar projects I’ve completed successfully.I estimate that the migration, feature implementation, and UI overhaul will take approximately 4-6 weeks. I ensure clean, well-commented code that meets your current testing standards, alongside new tests for the features introduced. Regards, Davide
€400 EUR in 7 days
4.9
4.9

Hello, I noticed that your Symfony application is in need of an upgrade to incorporate new capabilities, improve performance, and refresh the visual design. To address this, I would begin by implementing robust user authentication, integrating with an external REST API, optimizing performance through profiling and caching, and updating the design layer for a clean, responsive UI. I have successfully completed similar Symfony projects involving user authentication, API integrations, and performance optimizations, ensuring clean, well-commented code that meets testing standards. Best regards, Justin
€500 EUR in 7 days
5.1
5.1

Hi , I'd like to grab this opportunity and will work till you get 100% satisfied with my work. I'm a software developer with over 8 yrs of experience in PHP, JavaScript, HTML, REST API. Lets connect in chat so that We discuss further. Regards, Toma K.
€500 EUR in 7 days
5.1
5.1

Hello, I am Vishal Maharaj, a seasoned developer with 20 years of expertise in PHP, JavaScript, MySQL, HTML, REST API, Backend Development, Frontend Development, and Agile Development. I have carefully reviewed the requirements for the Symfony App Upgrade & Features project. To ensure a successful project completion, I plan to start by thoroughly analyzing the current application to identify areas for improvement. I will then proceed to implement robust user authentication, integrate the app with an external REST API, and develop a custom CMS for easy content management. Additionally, I will focus on optimizing performance by profiling bottlenecks, refactoring slow queries, and implementing Symfony-friendly caching. Lastly, I will revamp the design layer with a clean, responsive UI using modern technologies like Twig, Stimulus, or Tailwind. I am eager to discuss further details and collaborate closely over Git. Please initiate the chat to get started. Cheers, Vishal Maharaj
€500 EUR in 5 days
5.8
5.8

Hi there, Your Symfony app upgrade project truly excites me. I've worked extensively on Symfony applications, enhancing user authentication, integrating REST APIs, and creating lightweight CMS solutions that empower teams to manage content independently. I’m confident I can elevate your app’s capabilities while ensuring robust, role-based access. Performance tuning is my strong suit—I will identify bottlenecks, refactor slow queries, and implement Symfony-friendly caching to maintain fast page loads. For the visual refresh, I recommend pairing Twig with Tailwind CSS to craft a clean, responsive UI that shines on all devices. With full repo and staging access, I’ll prioritize clean, well-commented code and thorough testing, including new tests for features added. I estimate the entire upgrade, from migration through feature implementation and UI overhaul, will take approximately 20 days. Happy to discuss next steps and tailor my approach to your priorities. Which feature among authentication, performance, or UI refresh do you consider the highest priority to tackle first? Best regards,
€555 EUR in 27 days
4.9
4.9

Saint Jean de Bournay, France
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