
Suoritettu
Julkaistu
Maksettu toimituksen yhteydessä
Tengo un backend pequeño hecho con Node.js, Express y MongoDB que ya funciona, pero necesito reforzar su seguridad y dejarlo listo para producción bajo una arquitectura por capas. Objetivo principal • Implementar un flujo OAuth completo para la autenticación de usuarios, priorizando la prevención de accesos no autorizados. • Crear un sistema de API Keys que conceda a integradores externos solo el acceso a endpoints específicos que yo defina. Perfecto. Te dejo únicamente Alcances y Entregables, redactado de forma profesional y sin emojis. Alcance del trabajo 1. Implementación de sistema de autenticación segura Desarrollo de sistema de login basado en credenciales. Implementación de hash seguro de contraseñas (bcrypt o equivalente). Generación de tokens JWT para autenticación. Implementación opcional de refresh tokens con expiración controlada. Middleware de protección de rutas privadas. Manejo de expiración y validación de tokens. Aplicación de buenas prácticas de seguridad en autenticación. Integración con la arquitectura existente sin refactorizaciones innecesarias. 2. Implementación de sistema de API Keys para integradores Generación manual de API Keys desde backend (uso administrativo). Almacenamiento seguro en base de datos (preferentemente en formato hash). Asociación de cada API Key a: Identificador o nombre del integrador. Estado (activa o revocada). Permisos o alcance (scope) configurable. Middleware para validación de API Keys mediante headers. Restricción de acceso a endpoints específicos según permisos. Posibilidad de revocar API Keys. Registro básico de uso o auditoría (opcional pero valorado). Entregables Código implementado y funcional dentro del backend existente. Middlewares reutilizables para autenticación y validación de API Keys. Modelos y estructura de base de datos necesarios. Endpoints para gestión de API Keys (creación, listado, revocación). Documentación técnica breve que incluya: Flujo de autenticación. Uso de tokens. Uso de API Keys. Ejemplos de requests. Pruebas básicas de funcionamiento. Instrucciones de despliegue o integración si corresponde. Plazo estimado: el trabajo no debería llevar más de uno o dos días si ya dominas Node.js y seguridad web. Necesito alguien que conozca bien prácticas de hardening, rate-limiting y manejo de errores para dejar todo profesional y mantenible.
Projektin tunnus (ID): 40222768
31 ehdotukset
Etäprojekti
Aktiivinen 21 päivää sitten
Aseta budjettisi ja aikataulu
Saa maksu työstäsi
Kuvaile ehdotustasi
Rekisteröinti ja töihin tarjoaminen on ilmaista

Hola, qué tal? Leí tu requerimiento para asegurar tu backend en Node.js/MongoDB. Entiendo perfectamente la necesidad de implementar un flujo JWT robusto y un sistema de API Keys con scopes (permisos granulares) para integradores externos sin romper la arquitectura que ya tienes funcionando. Como desarrollador Senior especializado en Node.js, realizo este tipo de hardening para entornos de producción constantemente. Para tu proyecto: Implementaré bcrypt para contraseñas y un middleware estricto de JWT (con manejo de expiración). Para los integradores, generaré las API Keys usando el módulo crypto de Node, almacenando solo el hash en MongoDB por seguridad, junto con un middleware que valide los headers y el scope asignado. Aplicaré helmet para seguridad de cabeceras HTTP y express-rate-limit para prevenir ataques de fuerza bruta. Puedo entregarte los middlewares, endpoints de gestión y la documentación técnica en 48 horas. ¿Estás gestionando la base de datos con Mongoose o usas el driver nativo de MongoDB?
$100 USD 2 päivässä
3,9
3,9
31 freelancerit tarjoavat keskimäärin $151 USD tätä projektia

⭐⭐⭐⭐⭐ Secure Your Node.js Backend with OAuth and API Keys ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project requirements and noticed you're looking for someone to enhance your Node.js backend security. Look no further; Zohaib is here to assist you! My team has completed over 50 similar projects focused on backend security. I will implement a full OAuth flow and create a secure API Key system, ensuring your application is ready for production. ➡️ Why Me? I can easily improve your backend security with my 5 years of experience in Node.js, Express, and MongoDB. My skills include secure authentication, token management, and API integration. Additionally, I have a strong grip on security best practices, ensuring your application remains safe and maintainable. ➡️ Let's have a quick chat to discuss your project in detail. I can provide samples of my previous work, demonstrating my expertise in backend security. Looking forward to our conversation! ➡️ Skills & Experience: ✅ Node.js Development ✅ Express Framework ✅ MongoDB Management ✅ OAuth Implementation ✅ JWT Token Generation ✅ API Key Management ✅ Secure Password Hashing ✅ Middleware Creation ✅ Error Handling ✅ Rate Limiting ✅ Security Hardening ✅ Documentation Writing Waiting for your response! Best Regards, Zohaib
$150 USD 2 päivässä
7,6
7,6

As a senior developer with over a decade of experience, I am confident in my ability to implement the security upgrades you need for your Node.js, Express, and MongoDB backend. I have an extensive skill set that spans across not only frontend and backend development but also cloud and AI technologies. This makes me well-equipped to tackle the complex task of implementing OAuth and API Keys, ensuring not only secure authentication but also restricted access to specific endpoints by external integrators. I prioritize user access ubiquity while preventing unauthorized access, which aligns perfectly with your project objectives. My proficiency in handling security measures like hardening, rate-limiting, and error management will ensure we make use of best practices to reinforce your system's overall security. Additionally, my familiarity with technologies such as bcrypt for safe password hashing and JWT tokens for authentication guarantees we adopt sound security practices. Lastly, I'm known for delivering maintainable, scalable solutions under tight schedules without compromising on quality or functionality; your project should take no more than a day or two. Let's collaborate on this project. With Regards!
$250 USD 7 päivässä
6,2
6,2

Hello Dear! I write to introduce myself. I'm Engineer Toriqul Islam. I was born and grew up in Bangladesh. I speak and write in English like native people. I am a B.S.C. Engineer of Computer Science & Engineering. I completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web Design & Development project. Web Design & development: I am a full-stack web developer with more than 10 years of experience. My design Approach is Always Modern and simple, which attracts people towards it. I have built websites for a wide variety of industries. I have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB What you'll get? • Fully Responsive Website on All Devices • Reusable Components • Quick response • Clean, tested and documented code • Completely met deadlines and requirements • Clear communication You are cordially welcome to discuss your project. Thank You! Best Regards, Toriqul Islam
$100 USD 3 päivässä
5,6
5,6

Hola, Este proyecto encaja totalmente con mi experiencia en Node.js, Express y MongoDB en entornos productivos. Puedo reforzar tu backend aplicando una arquitectura por capas clara (routes, controllers, services y repositories), priorizando seguridad, mantenibilidad y orden en el código. Implementaré un sistema de autenticación robusto con hash seguro de contraseñas (bcrypt), generación y validación de JWT, control de expiración y opción de refresh tokens bien gestionados. Desarrollaré middlewares reutilizables para proteger rutas privadas, validación estricta de tokens y manejo centralizado de errores. También aplicaré buenas prácticas de hardening como rate limiting y sanitización de inputs para prevenir accesos no autorizados y ataques comunes. Para el sistema de API Keys, crearé una solución segura con almacenamiento en formato hash, asociación por integrador, estado (activa o revocada) y scopes configurables. Se validarán mediante headers usando un middleware dedicado, permitiendo restringir endpoints según permisos definidos. Puedo incluir registro básico de uso para trazabilidad. Entregaré todo integrado en tu backend actual sin refactorizaciones innecesarias, incluyendo modelos, endpoints administrativos para gestión de API Keys y documentación técnica clara con ejemplos de uso y flujo de autenticación. Puedo completarlo en 1 a 2 días si comenzamos de inmediato. Saludos, Avinash
$100 USD 2 päivässä
5,5
5,5

Hello, Could you share more details about your current backend structure and any specific features you'd like to prioritize? I'd love to help you strengthen your application's security and prepare it for production deployment. With over 5 years of experience working with Node.js, Express, and MongoDB, I have solid experience implementing OAuth, JWT, and API key systems. I can ensure we apply best security practices and that your system is properly documented. The timeframe you mentioned is feasible, and I have the necessary skills in hardening, rate-limiting, and error handling to guarantee your backend is professional and maintainable. I look forward to your reply so we can start working together.
$140 USD 7 päivässä
4,9
4,9

Hello Dear! Good Day! Hope you are doing fine. This is Ruhul Ajom Sagor. I am an expert "Web Developer" with 10+ years of working experience in PHP, HTML5, CSS3, JavaScript, jQuery, Bootstrap, MySql and different Frameworks. I have completed my B.S.C Engineering in Computer Science and Engineering (CSE) from BUET. Hire me and you don't have to worry about your website problems again! I'll add value to your projects by creating astonishing designs and code with high impact and optimized user interaction that leads to bigger conversions. WHAT PROBLEMS CAN I HELP YOU SOLVE? • Custom Websites Using PHP and Frameworks • e-Commerce Websites (Woo-Commerce and Shopify) • Custom WordPress themes • On-Page and Off-Page SEO • WordPress themes Customization • Database Modeling/Development • WordPress migrations and upgrades • Responsive Coding (Make your website compatible with: smartphones, tablets, desktops) • Websites speed and loading time improvements • Cross-browser compatibility • PSD to HTML to WordPress conversion • HTML5/CSS3/jQuery websites based on Bootstrap I love challenges, talking to my clients, and meeting others’ standards as well as expectations. I will be discussing everything in detail, giving my full advice and delivering through best of my skills. You are cordially welcome to discuss your project. Thank You! Best Regards, Ruhul Ajom
$70 USD 3 päivässä
4,5
4,5

Hey , I just finished reading the job description and I see you are looking for someone experienced in API Integration, JavaScript, AngularJS, NoSQL Couch & Mongo, MongoDB, Node.js, Web Security, API Development, API and OAuth. This is something I can do. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: 1. These are all the requirements? If not, Please share more detailed requirements. 2. Do you currently have anything done for the job or it has to be done from scratch? 3. What is the timeline to get this done? Why Choose Me? 1. I have done more than 250 major projects. 2. I have not received a single bad feedback since the last 5-6 years. 3. You will find 5 star feedback on the last 100+ major projects which shows my clients are happy with my work. Timings: 9am - 9pm Eastern Time (I work as a full time freelancer) I will share with you my recent work in the private chat due to privacy concerns! Please start the chat to discuss it further. Regards, Adil.
$30 USD 2 päivässä
4,1
4,1

Hola, soy Leo Sarmiento, desarrollador Web/Full-Stack con 10 años de experiencia y un fuerte enfoque en seguridad backend con Node.js. Su proyecto es muy claro: reforzar un backend Express+MongoDB existente con un flujo OAuth completo y un sistema de API Keys por alcances. Tengo la experiencia precisa para implementar ambos sistemas respetando su arquitectura por capas, utilizando bcrypt, JWT con refresh tokens y almacenamiento hasheado de llaves, dejando todo documentado, testeado y listo para producción.
$250 USD 2 päivässä
3,9
3,9

Hey , I just finished reading the job description and I see you are looking for someone experienced in MongoDB, API Integration, Node.js, JavaScript, NoSQL Couch & Mongo, OAuth, API, Web Security, AngularJS and API Development. This is something I can do. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: 1. These are all the requirements? If not, Please share more detailed requirements. 2. Do you currently have anything done for the job or it has to be done from scratch? 3. What is the timeline to get this done? Why Choose Me? 1. I have done more than 250 major projects. 2. I have not received a single bad feedback since the last 5-6 years. 3. You will find 5 star feedback on the last 100+ major projects which shows my clients are happy with my work. Timings: 9am - 9pm Eastern Time (I work as a full time freelancer) I will share with you my recent work in the private chat due to privacy concerns! Please start the chat to discuss it further. Regards, Haseeb,
$30 USD 3 päivässä
3,7
3,7

I've read through your project description and I'm confident I can handle it effectively. With my extensive experience in full-stack web development and strong proficiency in JavaScript and Node.js, I'm well-equipped to provide the secure authentication and API key functionalities that your backend needs. For the API Key system, I'll develop a backend API Key generation feature with hashed storage for maximum security. My solution will provide you with full control over integrator access; you'll be able to assign specific endpoints and even revoke keys if need be. Moreover, your backend existing architecture won't require unnecessary changes as my code will seamlessly integrate into it. Lastly, I understand that maintainability and efficiency are vital for any production-ready project. That's why I anticipate your documented brief on the implemented features whilst providing my neat, reusable middleware, database structure and endpoints for key management. You can trust that I'll not only meet but exceed your expectations in implementing these additional security measures within your system. Let's get started on boosting the security of your Node.js backend!
$200 USD 3 päivässä
3,6
3,6

Hello, I’ve carefully reviewed your requirements and recently secured Node.js/Express backends with OAuth authentication, JWT handling, and API key management for external integrators, all within a layered architecture suitable for production. The implementations followed security best practices, including token expiration, route protection, and hashed storage. For your backend, I’ll implement: a robust OAuth login flow with hashed passwords, JWTs, optional refresh tokens, and middleware for protected routes; a secure API key system with scoped access, revocation, and optional usage logging; and integration with your existing architecture without unnecessary refactoring. Deliverables include reusable middlewares, database models, management endpoints, and concise technical documentation with example requests and deployment guidance. I’m available to start immediately and committed to delivering a secure, production-ready, and maintainable backend within your one- to two-day timeframe. Best regards, Mauricio
$30 USD 7 päivässä
3,2
3,2

Hola, Tengo experiencia implementando autenticación segura y control de acceso en backends Node.js con Express y MongoDB, siguiendo arquitectura por capas y buenas prácticas de hardening. Puedo integrar un flujo OAuth/JWT completo y un sistema de API Keys administrable, dejando tu backend listo para producción. Mi enfoque incluye: • Login con credenciales, hash seguro con bcrypt y emisión/validación de JWT. • Opcional: refresh tokens con expiración controlada. • Middlewares para proteger rutas privadas y manejo correcto de expiración y errores. • Generación y almacenamiento seguro de API Keys (hash), asociadas a integradores, estado y permisos. • Middleware para validar API Keys por header y restringir endpoints según scope. • Endpoints administrativos para crear, listar y revocar claves. • Registro básico de uso si lo necesitás. • Documentación técnica del flujo, ejemplos de requests y guía de despliegue. Puedo completar el trabajo en uno o dos días, integrándome a tu código sin refactorizaciones innecesarias y manteniendo un estilo limpio, modular y mantenible.
$500 USD 7 päivässä
2,6
2,6

⭐⭐⭐⭐⭐ ✅Hi there, hope you are doing well! I have developed secure authentication systems with OAuth and API key controls in Node.js backends, ensuring seamless and protected access for users and integrators. From my experience, the key to successfully completing this project lies in integrating secure token management and scoped API key validation without disrupting the existing architecture. Approach: ⭕ Implement secure login with bcrypt hashing and JWT tokens including refresh support. ⭕ Develop flexible middleware to protect routes and validate API keys. ⭕ Build database models for storing hashed API keys with permissions and revocation. ⭕ Create admin endpoints for API key management including creation, listing, and revocation. ⭕ Provide clear documentation with authentication flows, examples, and deployment guidance. ❓ Could you confirm if you want rate-limiting included at the middleware level? I am confident I can efficiently deliver a robust, production-ready authentication system meeting your security and maintainability needs in the proposed timeframe. Thanks, Nam
$200 USD 3 päivässä
2,4
2,4

Having been in the software development industry for 7 years, I have significant experience working with Node.js and JavaScript. My understanding of hardening practices, rate-limiting, and error handling is extensive, making me the ideal candidate to reinforce your backend security and architect it for added protection. The implementation of a complete OAuth flow for user authentication along with a secure API key system is well within my skillset, and I am adept at ensuring prevention of unauthorized access. In addition to being proficient in Node.js and Express, which your backend relies on, I have hands-on experience with MongoDB, ensuring that I can seamlessly integrate my work into your existing architecture with minimal disruption. Furthermore, my understanding of JSON Web Tokens (JWT) will allow me to create robust authentication solutions that protect against unauthorized usage. I value meeting client expectations above all else and aim to deliver work that is professional, maintainable, and aligned with your vision. Based on the project scope and my skills in web development and security solutioning, I estimate that the assignment won't take more than a couple of days to complete. By choosing me for this task, you'll acquire not just a competent tech professional but a true partner who passionately intends to help you achieve your goals efficiently and effectively. Hurry up! Reach out now for impeccable implementation and reliable results!
$30 USD 7 päivässä
4,5
4,5

Hi Cliente, He leído con atención tu backend en Node.js/Express/MongoDB y entiendo que necesitas endurecer la seguridad y dejar todo listo para producción bajo arquitectura por capas. Tengo experiencia implementando OAuth completo y sistemas de API Keys seguros, aplicando hashing con bcrypt, JWT y refresh tokens, así como middlewares reutilizables y prácticas de hardening. Propondré un flujo OAuth robusto con validación de tokens, manejo de expiración y refresh tokens opcional, integración no intrusiva con tu código existente y protección de rutas mediante middleware. Para integradores crearé un sistema administrativo para generar API Keys (almacenadas en hash), asociarlas a integradores con scopes configurables, validar vía headers, revocación y registros básicos de uso. Añadiré rate-limiting y manejo de errores profesionales para producción. Entregaré código funcional, middlewares, modelos Mongo, endpoints de gestión de API Keys, documentación breve con ejemplos y pruebas básicas. Estimo completar esto en 1-2 días desde acceso al repositorio y requisitos finales. ¿Puedes compartir acceso al repositorio o un ZIP del backend y confirmar si prefieres refresh tokens activados por defecto y qué endpoints deben estar accesibles para integradores? Sincerely, Andrew
$155 USD 3 päivässä
2,3
2,3

Hi, Entiendo que ya tienes un backend funcional en Node.js/Express/MongoDB, pero necesitas dejarlo listo para producción con una arquitectura por capas y seguridad real. Esto incluye autenticación robusta con JWT (idealmente con refresh tokens) y un sistema de API Keys con scopes por endpoint. He implementado este tipo de setups antes, incluyendo hardening (rate limiting, headers, validaciones, logging y manejo seguro de errores). Puedo integrarlo en tu estructura actual sin refactor innecesario y dejarlo documentado para que puedas mantenerlo fácil. Si me das acceso al repo, puedo arrancar de inmediato. Regards Eduardo
$30 USD 1 päivässä
1,4
1,4

Hello, With years of experience across a range of web-based systems, I've got the skills and knowledge to not only implement OAuth and API Keys seamlessly into your backend but to do so in a way that strengthens its overall security and prepares it for long-term, production-ready use. As a full-stack engineer, I understand the importance of every layer of an architecture and how they need to work together securely without compromising the user experience. I'm well-versed in the hardening measures, rate-limiting strategies, and error handling techniques that will give your users confidence in their data's security while ensuring a smooth authentication process. One of my key strengths as a developer is my adaptability. I've worked on numerous existing platforms like yours where careful refactoring is required without disturbing the already functioning part. That means I can integrate with what you've already built without unnecessary redesigns or refactorings that might make maintenance more difficult down the line. In fact, maintainability and long-term cost-effectiveness are core principles in my development approach - I don't just build features, I solve problems. Beyond just a secure implementation, you're going to need clear documentation for ongoing support and any integration that others might want to do in future. My experience working alongside business stakeholders comes into play here as I understand non-technical profes Thanks!
$50 USD 3 päivässä
0,0
0,0

Dear, Client! You need to harden your existing Node.js/Express/MongoDB backend with a secure OAuth-ready auth flow (JWT, bcrypt, protected routes) and a scoped API Key system for integrators, all integrated cleanly without heavy refactoring. I clearly understand the goal: production-ready security, layered architecture, strict access control, and maintainable middleware. I have deep experience implementing JWT auth, refresh tokens, hashed API keys, scoped permissions, rate-limiting and structured error handling. I focus on clean middleware design, secure defaults, and clear technical docs so future scaling is easy. I’ll deliver robust, audited code with reliable after-support and maintenance guidance. If you decide to move forward with my proposal, this would be my first project on freelancer. I truly value the opportunity and will dedicate my full effort, attention, and commitment to delivering high-quality results. Best regards. Eduard
$120 USD 5 päivässä
0,0
0,0

Comprendo: necesitas implementar autenticación OAuth/JWT y un sistema de API Keys con alcances en tu backend Node.js existente, manteniendo una arquitectura limpia y segura para producción. Implementaré login con bcrypt, JWT y refresh tokens con expiración. Las API Keys se generarán con hash, se asociarán a scopes y se almacenarán en MongoDB con estado activo/revocado. Crearé middlewares reutilizables para proteger rutas: uno validará JWT, otro validará API Keys y restringirá endpoints según permisos. Añadiré rate-limiting y headers de seguridad. Entregaré el código integrado, endpoints para gestionar API Keys, modelos de datos, pruebas básicas y documentación breve con ejemplos de requests. Puedo terminarlo en dos días. Envíame el repositorio y comienzo de inmediato.
$140 USD 7 päivässä
0,0
0,0

He analizado tu requerimiento para la creación de los módulos de autenticación OAuth y gestión de API Keys, y propongo una implementación segura, estructurada y alineada con buenas prácticas. Se desarrollará un flujo completo basado en JWT, incluyendo hash robusto de contraseñas (bcrypt), access y refresh tokens con expiración controlada, validación estricta de claims y middleware para protección de rutas privadas. Asimismo, se implementará un sistema de API Keys para integradores externos, almacenadas en formato hash, asociadas a identificador, estado y scopes configurables. Se incorporará validación mediante headers, control granular de acceso a endpoints y capacidad de revocación, junto con registro básico de auditoría. El tiempo real estimado para una implementación sólida es de 3 a 4 días hábiles, considerando pruebas y validación adecuada. Inversión propuesta: USD 220
$220 USD 5 päivässä
0,0
0,0

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₹12500-37500 INR
$30-250 USD
$30-250 USD
$30-250 USD
₹1500-12500 INR
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$25-50 USD/ tunnissa