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I aim to build a truly global space where more than ninety-nine million professionals can discover one another, collaborate and grow. The core idea is simple: give users a reliable way to meet peers, share expertise and uncover new career opportunities—yet the execution must be enterprise-grade from day one. What the build involves • Full-stack development of a responsive web application (React or similar on the front end, Node.js/Go/Python on the back, with a REST or GraphQL API). • Cloud-native deployment on AWS, GCP or Azure, containerised with Docker and orchestrated via Kubernetes so the system scales smoothly as membership climbs. • A rock-solid data layer—PostgreSQL or MongoDB combined with Redis for caching—designed to accommodate hundreds of millions of profile, message and activity records without performance loss. • Internationalisation, privacy controls, SSO and OAuth log-in, plus encryption in transit and at rest to meet global compliance requirements (GDPR, SOC 2, etc.). Early milestones 1. Architecture & tech stack blueprint, complete with ER diagrams and a scaling strategy. 2. Clickable UI prototype covering onboarding, profile creation, search and a real-time messaging channel. 3. MVP release ready for closed beta, load-tested to at least 100 k concurrent users. Success criteria • Sub-second page loads under peak traffic. • Zero data loss during simulated node failures. • Clean, well-documented codebase that my internal team can extend after hand-over. Source control will live in GitHub, and communication will run through Slack and weekly Zoom check-ins so progress stays transparent. If you have launched high-traffic social or professional platforms before and can point to measurable impact, I’m eager to see how you would approach this challenge and help move the world’s professionals closer together.
Project ID: 40651885
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Active 3 days ago
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49 freelancers are bidding on average ₹29,637 INR for this job

Your biggest risk is database partitioning strategy — if you don't shard MongoDB correctly from day one, you'll hit write bottlenecks around 10M users and face a painful migration under live traffic. Most teams underestimate how quickly connection pooling breaks down when you're handling real-time messaging at scale. Quick questions - are you planning active-active replication across multiple AWS regions for disaster recovery? And what's your target p95 latency for the messaging layer under 100k concurrent WebSocket connections? Here's the architectural approach: - NODE.JS + EXPRESS: Build a horizontally scalable API gateway with rate limiting per user tier, Redis-backed session management, and circuit breakers for third-party OAuth providers. - MONGODB SHARDING: Design a compound shard key on user_id + region to distribute writes evenly, implement read replicas per geographic zone, and use change streams for real-time activity feeds without polling. - AWS EKS + DOCKER: Deploy microservices in Kubernetes with auto-scaling policies tied to CPU and custom CloudWatch metrics, blue-green deployments via ALB, and chaos engineering tests to validate zero-downtime failover. I've architected similar platforms for two SaaS companies that scaled from beta to 2M+ active users without a single outage. Let's schedule a 30-minute technical deep-dive to align on your sharding model and caching hierarchy before you commit budget.
₹22,500 INR in 7 days
7.0
7.0

Hi, I have 10+ years of experience designing and scaling AWS cloud-native platforms and have worked on high-traffic applications with ECS/Kubernetes, PostgreSQL, Redis, Docker, Terraform, CI/CD, and observability. For a platform targeting 100M+ users, I would focus first on a scalable architecture, database design, caching, asynchronous processing, security, and automated infrastructure rather than over-engineering the MVP. A relevant example is LinkMe, a social management platform handling around 50M requests/day, where I designed and automated the AWS infrastructure using ECS, RDS, OpenSearch, ELB, Terraform, and separate Dev/Stage/Production environments. I can help with the architecture blueprint, AWS/Kubernetes infrastructure, CI/CD, performance/load testing, security, monitoring, and production readiness while keeping the system maintainable for your internal team. Thanks
₹37,000 INR in 7 days
5.5
5.5

With over two decades of experience in PHP-based development and a keen focus on scalable solutions, I am confident that I can bring immense value to your project. I have successfully tackled multiple business-critical tasks, such as optimizing WooCommerce checkouts and resolving complex backend logic, making me well-versed in the intricacies of handling high-volume transactions. My expertise extends beyond just code - I have a deep understanding of databases and cloud computing: two pivotal aspects for your project's success. I have substantial experience working with large and sensitive datasets, like the ones your networking platform will generate. This makes me highly adept at ensuring efficient storage of voluminous amounts of data without compromising performance. One significant advantage I bring is my commitment to creating maintainable solutions rather than quick-fixes. This aligns well with your aim to have a clean, well-documented codebase and a decent hand-over for future maintenance. My stellar track record and client satisfaction speak volumes about my ability to deliver on these fronts. Let's move the professional networking sphere forward together by collaborating on this exciting project!
₹27,000 INR in 15 days
5.2
5.2

I've spent 20+ years building scalable full-stack platforms: Node and Express, MongoDB, and AWS. A global professional network where members discover each other, connect and collaborate is squarely that kind of build. At a 99M-member ambition the risk isn't the profile pages, it's scale and discovery: search and people-you-may-know that stay fast as the graph grows, and a data model that doesn't fall over. I design for that from day one: - Node/Express API on MongoDB, indexed for profile search and the connection graph. - Auth, profiles, connections, feed and messaging as clean separate services. - Search and recommendations built to scale, with proper indexes, pagination and caching. - Deployed on AWS with room to grow horizontally. You get a working platform, source and deployment docs, architected so it scales instead of needing a rewrite at the first growth spurt. One thing to start: which features are the MVP (profiles plus connections plus search), and are messaging and feed in phase one? I can start right away.
₹12,500 INR in 30 days
4.5
4.5

Hi, I can build your global professional networking platform with React on the front, Node.js and PostgreSQL with Redis on the back, containerised on Kubernetes to scale as membership grows. I will add SSO, OAuth and encryption to meet GDPR and SOC 2. I can start today. For the messaging channel, I will use WebSockets with Redis pub/sub so real-time chat holds up under peak load. Questions: 1) AWS, GCP, or Azure for deployment? 2) PostgreSQL or MongoDB for the core data layer? Looking forward to discussing further. Regards, Shayan.
₹21,250 INR in 3 days
4.0
4.0

I can help you build a responsive web application using React on the front end and Node.js on the back. My first step will be to draft an architecture and tech stack blueprint that includes ER diagrams and a scaling strategy. Based in Toronto, I work efficiently and maintain clear communication throughout the project. Let’s connect and discuss how we can make this vision a reality.
₹12,500 INR in 3 days
3.6
3.6

As an accomplished software development agency, we're thrilled by the challenge today's freelancing request presents. With expertise spanning over nine years, my team and I bear vast experience in rendering feasible solutions in web and mobile development projects. Our ability to navigate the developmental complexities of a multi-layered networking platform, all while prioritizing elevated user experience and meeting stringent global compliance criteria is unquestionable. One of the facets that set us apart is our effective cost management; a great quality especially when project scaling is as pertinent as it is in this case. Aligning with your preferred technologies of React,Node.js/Go/Python, GraphQL/API would be exciting for our seasoned Node.js developers. Our proficiency in containerizing with Docker and orchestrating via Kubernetes commands extra well at peak traffic periods without compromise on performance efficiency. We are cognizant of the diverse geographies of your projected ninety-nine million users. To us, internationalisation isn't just a key feature but a quality assurance for reliability across their connection points- from Single Sign-On (SSO) to OAuth log-in functionalities. We understand that successful platform launches go beyond just code delivery but extend into post-delivery support which is why we are pleased to offer free 3-month support for existing initiation. Hiring us, assures you not just about placing the technical capab
₹25,000 INR in 7 days
4.4
4.4

Hi-Bojan Here From Serbia. "GLOBAL PROFESSIONAL NETWORKING PLATFORM" - "You want an enterprise-grade scalable networking platform supporting millions of professionals." I can architect a cloud-native stack with React, Node.js, MongoDB or PostgreSQL, Redis, Docker, and AWS for scalable professional networking. I will design the architecture, ER model, real-time messaging, authentication, privacy controls, and load-tested MVP with maintainable documentation. Would you prefer AWS with PostgreSQL and Redis, or MongoDB as the primary data layer? Looking forward to working with you.
₹25,678 INR in 5 days
3.2
3.2

Hi, I’ve carefully gone through your requirements and I’d be interested in building this platform with a scalable architecture from the start. I can handle the React/Node.js full-stack development, REST APIs, PostgreSQL/MongoDB, Redis, real-time messaging, Docker/Kubernetes, and cloud deployment, with security and performance considered throughout. A couple of questions: Do you already have the UI/UX prototype or should I handle the initial product design as well? Also, do you have a preferred cloud provider between AWS, GCP, and Azure? Let’s discuss the architecture, MVP scope, and milestones in chat and proceed with the next steps. Best Regards, Arshiya
₹25,000 INR in 7 days
3.4
3.4

I want to be straight with you about one line in the brief, because it affects how the money is best spent: designing for ninety-nine million professionals on day one is the wrong optimisation. Every platform at that scale — including the obvious one — was rebuilt several times on the way there. Architecting for it up front costs a great deal and slows you down before you have your first thousand users. What I would build instead is an architecture that does not paint you into a corner: clean service boundaries, a normalised data model, and the feed and search layers isolated so they can be replaced independently when volume demands it. That is genuinely enterprise-grade, and it stays affordable. Concretely: - React frontend, Node backend, with profiles, connections, search and messaging as the core. - The connection graph modelled properly from the start — this is the one thing that is genuinely painful to change later. - Feed generation kept behind an interface, since it is the first component that needs replacing under load. - Real-time messaging built on a service rather than hand-rolled. Proof: production platforms on Node and React, multi-tenant systems on PostgreSQL with database-enforced access control, and cloud deployment I run daily. Question: what is the differentiator versus LinkedIn, and who is the first specific community you would launch into? A focused launch beats a global one, and it changes what gets built first. Martin
₹24,500 INR in 10 days
3.3
3.3

Hello Client, Hope you are great!!! I read you job description you are looking for web developer. I have sound of 7 years exp in wordpress, PHP, CI, Laravel, Drupal, Joomla and developed 145+ websites with good design. We are using the MVC model for security of website as well as develop three layer security in website and website is high skilled code follow all standards of development. I have been worked on many domain like ecommerce, Martrimony, Hotel Booking, Social, Healthcare, and Sport etc. I provide new vision for website and am always available for your support(24*6) . I hope you will be give positive response. Thanks
₹12,500 INR in 5 days
2.8
2.8

100k concurrent users is the interesting part of this project — I’d design the MVP around that target from day one, rather than build a typical social app and optimize it later. I’d start with a clear architecture blueprint: React + Node.js/TypeScript, PostgreSQL for transactional data, Redis for caching/session/rate-limit workloads, WebSockets for messaging, and Docker/Kubernetes on AWS. For search and high-volume activity, I’d keep the data model and service boundaries ready to introduce dedicated search/event infrastructure as usage grows. For the first milestone, I’d deliver the ERD, API/service architecture, scaling strategy, security model and deployment architecture. Then I’d turn that into the clickable onboarding/profile/search/messaging flow and a production-oriented MVP. For the 100k concurrent-user test, I’d use realistic traffic scenarios rather than simply generating requests: authentication, profile reads, search, messaging, notifications and concurrent sessions. I’d also test pod/node failures and database/cache failure scenarios to validate the zero-data-loss requirement. The important question I’d clarify first is whether the 100k concurrent target is required for the closed-beta infrastructure itself, or whether you want the architecture/load tests to prove that the system can scale to it before production rollout.
₹50,000 INR in 15 days
2.4
2.4

With over a decade of experience in full-stack development, cloud deployment, and data management, I am confident in my ability to build and launch your global professional networking platform with the enterprise-grade quality you desire. The core structure of your project aligns perfectly with my past projects, several of which involved millions of profiles, messages, and activities – a testament to my skills in creating responsive applications that scale seamlessly. Additionally, I have extensive knowledge and hands-on expertise with AWS and Restful API development which matches your technology stack. My previous work is exposed to high levels of cyber protection including similar internationalisation and privacy controls that you seek – an essential aspect for maintaining GDPR and SOC 2 compliance. Allow me to leverage my experience using containers (Docker) in a Kubernetes orchestrated environment for fluid infrastructure scaling as per usage. To ensure a transparent and seamless project execution, I keep communication centralized via Slack supplementing weekly Zoom check-ins while hosting the entire project on GitHub.
₹25,000 INR in 7 days
1.6
1.6

As someone who has built advanced web applications and worked with high-stake individuals like startups over the course of a decade, I am perfectly positioned to exceed your networking project's milestones. Leveraging my expertise with frameworks such as Laravel and ReactJS, I can design and develop a responsive platform that matches your requirements. My training in handling large databases will ensure that the system I build can efficiently manage the multitude of user activities your project envisions. Efficient communication is vital to a project of this magnitude. I’m well-versed in managing global projects through platforms including Slack, GitHub and Zoom - coordinating internal teams effectively to promote smooth progress updates and reinforce transparent communication. My long-term support serves as an added advantage; even after project completion, you can count on me for any maintenance or bug fixes. It would be a privilege to collaborate on such an impactful initiative helping professionals find each other in an increasingly digitally connected world. Let’s talk -- together let's build!
₹25,000 INR in 20 days
1.5
1.5

I’m an experienced full-stack cloud architect/developer and can build the scalable professional networking platform using React, Python/Node.js, PostgreSQL, Redis, Docker, Kubernetes, and AWS/GCP/Azure, with real-time messaging, OAuth/SSO, security, internationalization, and high-concurrency architecture.
₹25,000 INR in 7 days
1.3
1.3

Drawing from my vast experience in full-stack development, database management, and cloud computing, I can create a robust networking platform tailored for your needs. My expertise with React, Node.js/Go/Python, and AWS, GCP or Azure aligns perfectly with the tech stack mentioned. By containerizing the application with Docker and orchestrating it via Kubernetes, I'll assure you smooth scalability as membership scales. The data layer is fundamental to operational success and, with me onboard, you won't have to worry about performance constraints as we upgrade. I'm experienced with PostgreSQL or MongoDB combined with Redis – a combination that can handle hundreds of millions of records without compromising accessibility. Furthermore, I've launched high-traffic platforms before and understand the criticality of sub-second loading under peak traffic alongsite data security. I will ensure your platform adheres to global compliance regulations (such as GDPR, SOC 2) through encryption in transit and at rest. To keep you updated throughout the process, I suggest integrating GitHub for source control while using Slack and Zoom-check ins for communication. Let's spark the transformative change you envision!
₹25,000 INR in 7 days
0.8
0.8

As an experienced full-stack developer, I understand that your goal of building a global professional networking platform necessitates reliability, scalability and enterprise-grade execution. I have an extensive background in developing custom web applications and platforms using state-of-the-art technologies such as React, Node.js and cloud deployment services like AWS that would complement this vision perfectly. My skills extend to prominent databases like MongoDB and Redis which I foresee as essential components of your platform design to handle massive data import and export efficiently. Throughout my career, one of my focal points has been to build products keeping in mind long-term success. This mindset, coupled with my knowledge of Kubernetes for container management and orchestration highlights how I address scaling challenges right from the design phase itself to ensure smooth operation even with millions of active users simultaneously. What sets me apart is not just my technical prowess but also my collaborative approach and attention to detail. I prioritize understanding my client's goals intensely so that I can deliver solutions that are not only technically sound but serve the exact purpose needed. By hiring me for this transformative project, you'll be gaining a reliable partner who takes full ownership and prides himself on delivering well-documented, quality codebases that are easy for internal teams to extend upon post-handover.
₹37,000 INR in 7 days
0.6
0.6

Hello, I’d be happy to help build your global professional networking platform. I have 5+ years of experience in full-stack development, building scalable web applications with React, Node.js, APIs, cloud infrastructure, and database optimization. I will provide: • Scalable architecture with a clear tech-stack and ER design • Responsive UI with onboarding, profiles, search, and real-time messaging • Secure APIs, authentication, OAuth/SSO, and privacy controls • Docker/Kubernetes-based cloud deployment • Performance optimization and load testing for high concurrency • Clean, documented code with regular progress updates I have experience working on scalable, production-ready web applications and can build the MVP with future growth and reliability in mind. I’d be glad to discuss the architecture, milestones, and technical requirements and get started right away. Warm Regards, Monica Bhatia
₹15,000 INR in 5 days
1.7
1.7

With my diverse and deep skill set, I can create the world-class Global Professional Networking Platform you envision. Having built multiple AWS-hosted applications using a technology stack similar to what you've described and successfully handled scaling challenges, I know just how critical choosing the right architecture and tech stack is for your ambitious project. My clean codebase and accessible documentation also ensure easy handover to your internal team post-deployment. My AI-first approach aligns perfectly with your vision of automating manual processes, improving operational efficiency, and facilitating exponential growth. This will be particularly crucial as your platform aims to handle millions of records without compromising speed or user experience. Additionally, my robust grasp on RESTful and GraphQL APIs will ensure seamless integration, an aspect vital for a large networking platform like this. Lastly but importantly, I value strong communication and transparency throughout a projet. With weekly Zoom check-ins and clear code repositories on Github, you'll always have visibility into the progress made. Combine that with my ability to deliver quality work in a timely fashion, and I am confident in saying that entrusting me to undertake this project would be an invaluable choice. Let's build a revolutionary platform together!
₹25,000 INR in 7 days
0.0
0.0

I will engineer your enterprise-grade professional network using a high-throughput React/Node.js architecture, decoupled via Redis caching and PostgreSQL. Deployed across Kubernetes on AWS/GCP with strict SOC 2/GDPR compliance, the platform will feature resilient auto-scaling, sub-second latency, and verified failover reliability capable of seamlessly supporting 100k+ concurrent users.
₹12,500 INR in 7 days
0.0
0.0

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