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I’m looking for a full-time engineer who can take complete ownership of several web applications that rely on three pillars: solid user authentication, real-time updates, and meaningful AI integrations. You should feel at home switching between front-end and back-end work, architecting new features from scratch, and keeping existing code clean and maintainable. Tech stack is flexible—whether you prefer React with Node.js, Angular with Spring Boot, Vue with Laravel, or another modern pairing, what matters most is your ability to deliver secure, performant, and scalable solutions. Expect to design and wire up authentication flows (OAuth, JWT, etc.), implement websockets or similar technology for live data, and collaborate on AI-driven components such as recommendation engines or chat features. Day-to-day you’ll: • Plan and ship new features end-to-end • Diagnose and resolve production issues quickly • Write well-tested, well-documented code • Participate in code reviews and sprint planning If you thrive in a product-focused environment and can demonstrate past projects where you delivered real-time, authenticated web experiences—ideally with a touch of AI—let’s talk.
Project ID: 39741613
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273 freelancers are bidding on average $546 CAD for this job

I can take full ownership of your web applications, handling both front-end and back-end development with a focus on secure authentication, real-time updates, and AI integrations. I have experience building React/Node.js and Vue/Laravel applications with OAuth/JWT flows, WebSocket/live data features, and AI-driven components like recommendation engines and chat modules. I’ll ensure all new features are well-architected, tested, and maintainable, while quickly resolving production issues and participating actively in sprint planning and code reviews. My goal is to deliver scalable, performant, and user-focused web experiences end-to-end.
$500 CAD in 7 days
8.3
8.3

Hello, As a full-stack web developer with an emphasis on JavaScript, I believe I have the skills and experience to deliver the top-notch web applications you require. Our team at Our Software specializes in creating secure, performant, and scalable solutions which is what your project demands. We have successfully completed diverse projects including those that involved solid user authentication, real-time updates and meaningful AI integrations - all of the pillars that are critical for your project. At Our Software, we take complete ownership of each project just as you expect from your full-time web developer. Whether it’s architecting new features from scratch or maintaining existing code, we are dedicated to providing clean and maintainable codebase also well-tested code that is accompanied by thorough documentation which makes it easier for anyone to handle and use our code. Our passion has always been contributing to a product-focused environment where we’ve delivered real-time, authenticated web experiences. This ranges from designing authentication flows, implementing websockets or similar technology for live data to collaborating effectively on AI-driven components such as recommendation engines or chat features. Partnering with us means partnering with excellence and meticulousness on every line of code. Let us together turn your dreams into a reality for reaching new heights with your business! Thanks!
$450 CAD in 6 days
7.6
7.6

Hi there, I can build a robust full-stack web application tailored to your needs—covering everything from intuitive frontend and scalable backend development to seamless API integration and deployment automation. I would like to discuss in detail. Kindly drop me a message and discuss more with me. Thanks
$500 CAD in 7 days
7.8
7.8

Dear Client, As the leader of WellSpring Infotech, where we prioritize quality, scalability, and security in every project we undertake, I would be thrilled to take up this position as the full-stack web developer for your applications. With over 10 years of experience in custom web and mobile app development, my expertise lies in exceling at projects requiring precision in JavaScript and Node.js. We have an impressive technological mastery that includes React, Vue.js, Python, React Native, PHP, Flutter, Ionic, Swift, RxSwift, Objective-C, Kotlin, Java, RxKotlin among others that can help fine-tune the techstack for your specific needs. In line with your requirements for authentications flows (OAuth, JWT), real-time updates (websockets) and AI-driven elements like recommendation engines or chat features - our portfolio is abundant with similar successful projects. Moreover, our long-standing presence has given us a deep understanding of ventures across sectors like healthcare, eCommerce and fintech - which can effectively inform our work in any industry. Plus our robust cybersecurity measures will ensure your user's data integrity was protected efficiently. Entrusting us from the start means joining hands with a reliable partner who guarantees exceptional quality by proactively mitigating all possible tech risks. Let's begin charting your success story together!!! Thnak you!!!
$750 CAD in 7 days
7.2
7.2

Hello, I offer full‑time ownership of real‑time, authenticated, AI‑enabled web apps—shipping secure, performant, and scalable features across front end and back end. What I provide: Auth flows: OAuth2/OIDC, JWT/refresh rotation, RBAC/ABAC, CSRF/XSS/SSR protections, and secure session/cookie policies. Real time: WebSockets/SSE with backpressure, presence, typed events, and resilient reconnect; queue/pub‑sub for fan‑out. AI integrations: Recommendation/chat components with safe prompts, rate limits, caching, and human‑in‑the‑loop review where needed. Clean architecture: API‑first, modular monolith to services, CI/CD, IaC, tracing/metrics/logs, and SLO‑driven alerting. Stack flexibility: React+Node, Angular+Spring Boot, or Vue+Laravel with REST/GraphQL, testing (unit/integration/E2E), and code review discipline. Day‑to‑day: Plan and ship features end‑to‑end, fix production issues fast, write tested/documented code, and collaborate in sprints. Best regards, Vicky Keswani
$500 CAD in 7 days
7.9
7.9

I have extensive experience with similar PROJECT ---->>I am highly qualified to do this job with high QUALITY ----- I am Passionate ANGULAR.JS /Full stack developer having rich experience with so many successful Tasks. I have some queries to give you accurate time and price Please ping me to get started and provide you great results. Thanks
$800 CAD in 7 days
7.0
7.0

Hello, With my diverse and comprehensive skills in full-stack web development, I believe that I would be the perfect fit for your project. Throughout my successful career, I have showcased my ability to deliver scalable and secure web applications from conception to execution, which aligns perfectly with your needs. The fact that I have extensive experience in both front-end and back-end technologies enables me to not only switch seamlessly between the two but also to design user authentication flows, integrate real-time updates and collaborate on cutting-edge AI-driven components. In addition to my proficiency in MEAN/MERN Stack, PHP Technologies, CMS Development (WordPress, WooCommerce, Shopify and more), Amazon Web Services, Version Control and Frontend Stack including UI Frameworks like Bootstrap and JavaScript frameworks like React, Vue.js and Angular2+, I have an extra edge being experienced in mobile development using Android, React Native and Flutter. An essential aspect of your project’s success rests on quick issue resolution and well-tested code—areas where I excel through my analytical mindset and meticulous approach. Furthermore, having expertise in Git and other version control systems means effective collaboration is second nature to me. Thank you
$650 CAD in 15 days
6.2
6.2

Hello, I understand you are looking for a full-time engineer who can manage various web applications focusing on user authentication, real-time updates, and meaningful AI integrations. I am experienced in switching between front-end and back-end development, ensuring that new features are built from the ground up while maintaining clean and manageable code. I can effectively handle authentication flows and implement technologies like websockets for live data updates. My approach includes working closely with your team to plan, develop, and test new features. I have worked on projects that required quick diagnosis and resolution of production issues, and I pride myself on writing well-documented, well-tested code. My experience in both the front-end and back-end aligns perfectly with your needs for scalable and secure solutions. Could you clarify the expected collaboration process with the team and how often new features will be delivered? Thanks, Shamshad
$750 CAD in 11 days
6.3
6.3

Most companies struggle with user authentication and real-time data updates until we streamline their web applications and unlock user engagement. I specialize in building secure, scalable web applications using modern stacks like React with Node.js or Angular with Spring Boot. My approach includes: - Collaborating closely with your team to define and prioritize features - Implementing robust authentication flows with OAuth and JWT - Leveraging websockets for seamless real-time updates - Integrating AI solutions for personalized user experiences In a recent project, I helped a client develop a real-time chat application with secure authentication and AI features, significantly enhancing user retention. As a tip, consider mapping out user journeys to identify friction points in your current applications. Let me know if you want to discuss how we can tailor a solution for your needs.
$750 CAD in 7 days
6.6
6.6

With an impressive track record of over 248 successfully completed projects and a stellar 4.9/5 rating, Einnovention's highly skilled team, including myself, is dedicated to delivering sustainable and state-of-the-art digital solutions that cater to all your web development needs. As a Full-Stack Developer with expertise in Angular, AngularJS, JavaScript and Node.js - the essential elements for your project - I am well-poised to take complete charge of your web applications. In addition, Einnovention has extensive experience in developing authenticated web experiences that thrive on real-time updates. Our team's proficiency in OAuth, JWT, and similar user authentication methods will ensure the utmost security of your application. Moreover, our fluency with technologies like Websockets offers seamless transmission of live data that will add a dynamic touch to your platform. However, what sets us apart is our passion for innovative technologies such as AI integration which aligns perfectly with your project requirements. Einnovention has undertaken numerous projects involving recommendation engines, chat features and other AI-driven components with great success. Together, we can sculpt a superlative digital experience for your users encapsulating all the qualities you desire - secure, performant and scalable web applications. Let's collaborate and create something extraordinary!
$700 CAD in 27 days
6.6
6.6

Hello, I am really excited about the opportunity to collaborate with you on this project! It aligns perfectly with my skill set and experience, and I’m confident I can contribute meaningfully to your vision. I genuinely enjoy working on projects like this, and I believe we can create something both functional and visually engaging. Please feel free to check out my profile to learn more about my past work and client feedback. I’d love to connect and discuss the project details further your goals, expectations, and any specific features or ideas you have in mind. The more I understand your vision, the better I can bring it to life. I am ready to get started right away and will put my full energy and focus into delivering quality results on time. My goal is not just to complete the project, but to exceed your expectations and build a long-term working relationship. Looking forward to hearing from you soon! With regards! Divya
$750 CAD in 7 days
6.9
6.9

Hello Hariish N., I have read the project details and understood the overall requirement. With 5 years of experience in JavaScript, NoSQL Couch & Mongo, Node.js, Express JS, AngularJS, and Full Stack Development, I am well-equipped to take on the role of a Full-Stack Web Developer for your project. I am proficient in handling user authentication, real-time updates, and AI integrations, and have a track record of delivering high-quality projects in this domain. I am adept at architecting new features, ensuring code cleanliness, and maintaining scalability. You can view my portfolio here: https://www.freelancer.com/u/mannanmaan1425 Please ping me back so we can discuss the project further in the chat. Best regards, Abdul
$250 CAD in 7 days
6.1
6.1

OVER 8 YEARS OF EXPERIENCE IN FULL-STACK ENGINEERING, END-TO-END DELIVERY Hey there! The biggest challenges with projects like this usually come down to three things—authentication flows that are both secure and user-friendly, real-time updates that don’t lag under scale, and AI integrations that feel purposeful rather than “bolted on.” I’ve solved these exact problems in past projects by designing robust OAuth/JWT-based systems, wiring up websockets for seamless live data, and building AI-driven features like recommendation engines and intelligent chat assistants. I love working across the full stack—whether that means architecting a clean backend API, keeping the database humming, or making the front-end experience smooth and intuitive. I’m also comfortable switching stacks depending on what’s best for the product—React + Node.js, Vue + Laravel, or Angular + Spring Boot, I’ve worked with them all. What excites me most about this role is the chance to really own the lifecycle of features: planning, shipping, keeping things clean and maintainable, and constantly improving the product experience. I’d be thrilled to dive in, bring my experience to the table, and help push these applications forward with secure, scalable, and innovative solutions. Let’s build something meaningful together!
$500 CAD in 7 days
6.2
6.2

Hi. I'm a full-stack engineer with expertise in user authentication, real-time updates, and AI integrations. I'm comfortable with various tech stacks and can design secure authentication flows. I've experience building real-time updates with websockets and collaborating on AI-driven components. I'm a strong fit for this role and look forward to discussing further. Let's explore opportunities.
$500 CAD in 1 day
6.4
6.4

FULL-STACK ENGINEER – REAL-TIME & AI-INTEGRATED WEB APPS Hi, Hariish! I know how tricky it can be to juggle solid authentication, real-time updates, and AI integrations all in one platform—getting one wrong can break user trust or slow performance—but with careful architecture and modular design, we can make your apps bulletproof, fast, and scalable from day one. I’ve spent years building full-stack web applications with React, Node.js, Vue, and Django, delivering secure OAuth/JWT flows, websockets for live data, and AI-driven features like recommendation engines or chat systems. My approach is to take full ownership of the projects: designing features from scratch, cleaning and optimizing existing code, ensuring thorough testing, and documenting everything so the apps remain maintainable and flexible for future growth. I thrive in product-focused environments and love turning complex requirements into smooth, intuitive experiences that just work for end users. Let’s collaborate to make your suite of applications robust, responsive, and ready for real-world impact.
$500 CAD in 7 days
6.2
6.2

Greetings, I am excited about the opportunity to take full ownership of your web applications, focusing on user authentication, real-time updates, and AI integrations. My expertise in React with Node.js aligns perfectly with your needs for secure, performant, and scalable solutions. I am adept at designing authentication flows, implementing websockets, and collaborating on AI-driven features. I assure you of well-tested and documented code, timely feature shipping, and efficient issue resolution. Let's discuss how I can contribute to your projects. Looking forward to collaborating with you, John Allen
$400 CAD in 7 days
5.7
5.7

Hi there, I have read the brief details of the project u posted and I believe i can help u as I have great experience doing projects with JavaScript, Express JS, Full Stack Development, Node.js, Web Development, AngularJS, Angular and NoSQL Couch & Mongo. Please send me msg to discuss in detail. Regards, Ayesha
$750 CAD in 7 days
5.8
5.8

Nice to meet you hariishnanthakum, My name is Anthony Muñoz, I express my interest in working on your project after carefully reading the requirements and concluding that they match my area of knowledge and skills. I am currently the lead engineer for the IT agency DSPro and I have more than 10 years of experience in the field. I have successfully completed a large number of similar jobs and I consider your project to be a challenge in which I would like to work and be able to make it a reality. Please feel free to contact me, it will be my pleasure to help you. I greatly appreciate the time provided and I remain attentive to any questions or concerns. Greetings
$1,058 CAD in 7 days
5.8
5.8

With over a decade of experience in web development, I have become adept at navigating complex challenges and delivering high-quality solutions. My skills and familiarity with an array of frameworks including Angular, Express JS, Node.js positions me well to handle the versatile nature of this project with ease. Pitching on the front-end, having worked extensively in React, Vue.js and Angular, I can build user-friendly interfaces that align seamlessly with your project vision. Simultaneously, my expertise in back-end technologies such as Node.js and Express JS allows me to ensure solid user authentication implementation for your web applications. Relevant to your need for AI integration, I have hands-on experience with python and Django platforms — crucial for developing AI-driven components like recommendation engines or chat features. In a nutshell, my full-stack experience combined with my flexible approach to various tech stacks equips me to initiate new features as well as maintain existing code reliably. I am passionate about creating engaging, realtime apps that users love and I am ready to bring that passion to every day of this job!
$250 CAD in 10 days
5.6
5.6

Hi, I specialize in full-stack development and have delivered real-time, secure web apps with deep AI integrations—from chat systems to recommendation engines. I’m comfortable owning both front-end (React, Vue) and back-end (Node.js, Laravel, or Python FastAPI) layers, and have built authentication flows using OAuth2, JWT, and multi-tenant user systems. I’ve integrated WebSockets and Firebase Realtime DB for live updates, and worked with OpenAI, Cohere, and custom ML models for AI features. I write clean, testable code, prioritize performance and scalability, and thrive in fast-paced, product-driven teams. Let’s connect—I’d be happy to share examples of my work in production. Thanks, Hercules
$500 CAD in 7 days
5.6
5.6

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