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We are seeking an experienced **Algorithm Developer** to design and implement a video recommendation algorithm for our emerging social media platform. This is a time-sensitive project with a 1-day delivery timeline. ## Project Scope Design and deliver a functional recommendation algorithm that suggests relevant videos to users based on engagement patterns and content similarity. The algorithm must integrate seamlessly with our existing tech stack and be production-ready for initial deployment. ## Technology Stack - **Backend Framework: Node.js + [login to view URL] *Database:** MongoDB - Frontend:** React.js - Deployment:Self-hosted infrastructure (Docker preferred) Core Requirements Algorithm Specifications 1. Recommendation Strategy:Hybrid approach combining collaborative filtering and content-based filtering 2. Candidate Generation: Multi-source candidate retrieval (followed creators, similar content, trending videos) 3. Ranking Model: Scoring mechanism based on: - User engagement history (watch time, likes, shares, comments) - Video metadata (category, tags, duration, creation date) - Completion rates and skip behavior - Time-based decay (favor recent engagement) - Content similarity embeddings aDta IntegrationThe algorithm must work with existing MongoDB collections: - *mUsers collection:* User profiles, preferences, viewing history - Videos collection: Video metadata, embeddings, creator information - Interactions collection: Watches, likes, shares, comments, skips - Follows collection: User-to-creator relationships API Endpoints Implement REST API endpoints: 1. `GET /api/recommendations/:userId` - Fetch personalized feed (20-50 video recommendations) 2. `POST /api/interactions/:videoId` - Log user interactions (watch, like, skip) 3. `GET /api/trending` - Trending video recommendations 4. `POST /api/algorithm/retrain` - Trigger model retraining (optional admin endpoint) Deliverables 1. Algorithm Implementation: Complete working code in Node.js/Express.js 2. MongoDB Queries: Optimized aggregation pipelines for data retrieval 3. API Integration:Fully functional REST endpoints ready for React.js frontend 4. Documentation: Code comments, API documentation, and implementation notes 5. **Performance Metrics:** Expected response times and recommendation quality metrics 6. **Docker Setup (Optional):** Containerized deployment configuration ## Technical Expectations ### Performance Requirements - API response time: < 500ms per request - Support concurrent users: Minimum 1000 simultaneous requests - Daily retraining capability for model updates - Scalable architecture for future growth ### Code Quality - Clean, well-documented code - Error handling and validation - Logging for debugging and monitoring - Unit tests for core functions ### Algorithm Efficiency - Recommend videos within available context window - Balance between recommendation diversity and personalization - Avoid creating filter bubbles (include serendipitous recommendations) - Optimize database queries to minimize latency ## Nice-to-Have Features - A/B testing framework for algorithm variations - Recommendation explainability (why this video was recommended) - Cold-start handling for new users/videos - Admin dashboard for monitoring algorithm performance - Multi-language support for content categorization Budget & Timeline - Deadline: 1 day from project - Preferred Candidates:** Developers with prior experience in recommendation systems or machine learning engineering Ideal Candidate Profile - 3+ years experience with Node.js and [login to view URL] - Proven MongoDB expertise with complex queries/aggregations - Understanding of recommendation algorithms and machine learning concepts - Experience with recommendation systems or content discovery algorithms - Ability to deliver production-ready code under tight deadlines - Strong problem-solving skills and communication abilities - Experience with self-hosted deployment (Docker, Linux preferred) How to Apply - Portfolio or GitHub links demonstrating algorithm/ML work - Brief overview of your approach to building this algorithm - Availability confirmation for immediate start - Technical references or past project examples Project Communication - Daily check-ins during development - Real-time Slack/Discord communication - Immediate feedback on deliverables - Post-delivery support for integration assistance
Proje No: 40061491
48 teklifler
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48 freelancer bu proje için ortalama $149 CAD teklif veriyor

Hi Parth P. I’m your web developer, ready to turn your project Social Media Algorithm Developer into reality! I’d love to discuss the details and create something amazing together. Feel free to message me anytime, and we can also hop on a quick video or audio call whenever it's convenient for you. I’ve developed many projects exactly like what you’re looking for. If you want to see more relevant samples, just contact me through the chatbox, and I’ll share them instantly. ★ Why Clients Trust Me 500+ successful web projects delivered 430+ positive client reviews Expert in Algorithm, Node.js, React.js, MongoDB, Data Integration, A/B Testing, API Development, REST API WordPress, Shopify, PHP, JavaScript, HTML, CSS, Plugin/Theme Development, Laravel, WebApp Clean, modern, responsive and SEO-optimized designs Fast delivery, great communication, and long-term support Available during EST hours for smooth collaboration If you want a professional developer who delivers quality work on time and stress-free, let’s connect. I’m excited to help build something amazing for you. Best regards, Kausar Parveen
$180 CAD 3 gün içinde
6,1
6,1

Dear Client, I am excited about your project "Social Media Algorithm Developer" and confident I can deliver excellent results. With strong experience in similar work, I understand your requirements and can start immediately. I would love to discuss your project further and answer any questions. Thanks and best regards, Kamran
$90 CAD 5 gün içinde
6,2
6,2

I am confident that my skills in Algorithm, Node.js, React.js, MongoDB, and Data Integration align perfectly with the requirements for the Social Media Algorithm Developer project. I am eager to start working and can adjust the budget after discussing the full scope. My priority is delivering high-quality results within your budget. Please review my 15-year-old profile for a comprehensive overview of my work. Let's discuss the details and get started on this project. I am ready to showcase my commitment by starting tasks without being hired. Looking forward to hearing from you.
$175 CAD 7 gün içinde
5,2
5,2

Hi there, A frequent challenge with 1 day deliveries for recommendation algorithms is that unoptimized MongoDB aggregation pipelines often cause latency exceeding 500ms, killing user engagement. We will fix this by deploying a lightweight hybrid filtering system using Node.js that efficiently balances collaborative filtering with content based signals to ensure instant, relevant video feeds. Here are two questions regarding the scope: Do you already have vector embeddings generated for the current video metadata, or does the solution need to include the embedding generation step? For the cold start mechanism, should we prioritize trending content or a category based selection for new users? We have developed similar high performance algorithmic feeds for social platforms previously. Feel free to check our portfolio, or I can send you specific samples in chat. As a company policy, we also provide 30 days of post delivery support to ensure everything runs smoothly. Drop me a message so we can get started right away.
$150 CAD 7 gün içinde
5,1
5,1

⭐Hi, I’m ready to assist you right away!⭐ I believe I’d be a great fit for your project since I have over 4 years of experience in algorithm development, specifically in designing and implementing recommendation systems. My expertise in Node.js, MongoDB, and REST API development aligns perfectly with the technical requirements of this project. I have successfully delivered similar projects in the past, showcasing my ability to integrate complex algorithms with existing tech stacks and deliver high-performance solutions. This project will not only enhance user engagement on your social media platform but also optimize content recommendations based on user behavior and preferences. By implementing a hybrid recommendation strategy and leveraging advanced candidate generation techniques, we can ensure a personalized and engaging user experience that boosts platform usage and retention rates. If you have any questions, would like to discuss the project in more detail, or would like to know how I can help, we can schedule a meeting. Thank you. Maxim
$68 CAD 3 gün içinde
4,9
4,9

Hello, I bring 15+ years of experience in software development and algorithm design. I can deliver a production-ready video recommendation system tailored to your social media platform: • **Recommendation Strategy:** Hybrid collaborative + content-based filtering, considering watch time, likes, shares, comments, completion rates, and time-decay. • **Candidate Generation:** Multi-source retrieval (followed creators, similar content, trending videos). • **Ranking & Efficiency:** Optimized scoring mechanism, diverse and personalized recommendations, minimal latency <500ms per request. • **Database Integration:** MongoDB collections (Users, Videos, Interactions, Follows) with optimized aggregation pipelines. • **API Endpoints:** Fully functional REST APIs for recommendations, interactions logging, trending feed, and optional retraining. • **Deployment:** Docker-ready, scalable architecture supporting 1000+ concurrent users. • **Code Quality:** Clean, documented Node.js/Express.js code, error handling, logging, unit tests, and maintainable structure. • **Optional Features:** A/B testing, explainability, cold-start handling, admin monitoring dashboard, multi-language support. I ensure fast, accurate, and maintainable recommendations with seamless React.js frontend integration. Ready to start immediately and deliver within your tight timeline.
$132 CAD 7 gün içinde
4,5
4,5

Dear Client, I am excited about your project "Social Media Algorithm Developer" and confident I can deliver excellent results. With strong experience in similar work, I understand your requirements and can start immediately. I would love to discuss your project further and answer any questions. Thanks and best regards, Faizan
$90 CAD 5 gün içinde
3,9
3,9

Hi, We would like to grab this opportunity and will work till you get 100% satisfied with our work. We are an expert team which have many years of experience on Algorithm, Node.js, React.js, MongoDB, Data Integration, A/B Testing, API Development, REST API Please come over chat and discuss your requirement in a detailed way. Thank You
$140 CAD 7 gün içinde
3,5
3,5

Dear Parth P.. Thanks for sharing your project! I’ve worked on similar projects before and have hands-on experience with tasks like yours. I’ve got a bunch of hands-on experience with MongoDB, React.js, API Development, Data Integration, A/B Testing, REST API, Node.js and Algorithm, so I’m comfortable handling everything you’re looking for. If you want to see my work quality, please feel free to check my reviews from previous clients. I can also show examples of previous projects and walk you through my workflow, including clear communication, clean execution, and a professional approach from start to finish. Feel free to message me anytime. I’d be happy to discuss your project and get started. Best Regards, Huy.
$155 CAD 4 gün içinde
3,0
3,0

Hi Parth, I can approach the Social Media Algorithm project with a clear, engineering-driven mindset. I’ve built production-grade recommendation systems, including hybrid collaborative-content models, vector embeddings, and explainability hooks. My experience with LLMs and Transformers supports contextual signals, while classification and vector search drive efficient, diverse content discovery. I will integrate your MongoDB collections (mUsers, Videos with embeddings, Interactions, Follows) with a resilient Node.js/Express API and a Docker-ready, self-hosted deployment. From your description, I’d implement a compact plan: hybrid candidate generation from followed creators, similar content, and trending signals; a ranking layer that scores engagement (watch time, likes, shares, comments), metadata (category, tags, duration, creation date), completion rate, skip behavior, time-based decay, and content embeddings; optimized MongoDB pipelines to minimize latency; and production endpoints GET /api/recommendations/:userId, POST /api/interactions/:videoId, GET /api/trending, POST /api/algorithm/retrain. I’ll emphasize observability, unit tests, and clear API docs, with sub-500ms responses and scalable concurrency. How would you balance personalization depth versus content diversity in the initial deployment, and is explainability for recommendations required from day one? Looking forward to aligning on your launch. Best regards, Larasati
$125 CAD 3 gün içinde
2,7
2,7

Hey there, I am a Software engineer with over 2 years of experience building recommendation systems for social and content platforms. I can deliver a production-ready hybrid recommendation engine (collaborative + content-based) in Node.js/Express.js with optimized MongoDB aggregations, REST APIs, logging, and clean modular architecture, ready for React integration and Docker deployment. My expertise includes recommendation algorithms, embeddings, ranking strategies, MongoDB performance tuning, and scalable backend design. With my experience, I’m sure I can finish this task within the 1-day timeline, assuring fast response times and high-quality recommendations. Feel free to check my profile and contact me for more details. Regards,
$180 CAD 1 gün içinde
2,6
2,6

Hello, I understand this project as designing and implementing a production-ready video recommendation algorithm for your social media platform with a tight 1-day delivery window. The goal is a hybrid recommendation system combining collaborative filtering and content-based filtering, fully integrated with your Node.js + Express backend and MongoDB. My approach: • Candidate generation from followed creators, similar content, and trending videos • Ranking model leveraging engagement metrics (watch time, likes, shares, comments, skips), video metadata, completion rates, and time decay • Content similarity embeddings to improve relevance and diversity • MongoDB aggregation pipelines optimized for fast candidate retrieval • REST API endpoints (/recommendations/:userId, /interactions/:videoId, /trending, /algorithm/retrain) ready for frontend integration • Scalable, low-latency architecture (<500ms per request) with support for 1000+ concurrent users I will deliver clean, documented Node.js code, tested aggregations, and a Docker-ready setup. Optional features like cold-start handling, recommendation explainability, and A/B testing can also be included if desired. I have 6+ years of Node.js and MongoDB experience, including building recommendation engines and content discovery algorithms, and I am available for immediate start to meet your deadline. Best regards,
$100 CAD 7 gün içinde
2,4
2,4

Hello, I am a Node.js Developer with 15+ years of experience in building scalable, secure, and high-performance backend systems. I specialize in RESTful APIs, real-time applications, server-side development, and database integration (MySQL, MongoDB, etc.). I focus on writing clean, optimized, and maintainable code to ensure speed and reliability. Recently, I also worked on OpenAI API integration for auto-generated articles, images, and social sharing, which highlights my ability to adopt the latest technologies into modern applications. If you are looking for a dedicated Node.js expert who ensures quality, innovation, and timely delivery, I’d be happy to work on your project.
$100 CAD 7 gün içinde
3,0
3,0

Hi, We went through your project description and it seems like our team is a great fit for this job. We are an expert team which have many years of experience on Algorithm, Node.js, React.js, MongoDB, Data Integration, A/B Testing, API Development, REST API Please come over chat and discuss your requirement in a detailed way. Thank You
$250 CAD 7 gün içinde
1,4
1,4

Hi there, I am Vasyl, a seasoned Algorithm Developer with expertise in Node.js, React.js, and MongoDB. I have carefully reviewed your project requirements, and I am excited about the opportunity to design and implement a video recommendation algorithm for your social media platform. My 8 years of experience in backend development, frontend technologies, and B2B/B2C SAAS solutions make me well-equipped to handle this project efficiently. I propose a hybrid recommendation strategy combining collaborative and content-based filtering, with a focus on user engagement patterns and content similarity. I am confident in my ability to deliver a production-ready algorithm that seamlessly integrates with your tech stack. Let's discuss further to kickstart this project. Thanks, Vasyl
$150 CAD 7 gün içinde
1,6
1,6

Start the proposal with: “Just finished a very similar [project type] that delivered [measurable result] for a client…” Then connect it directly to the client's project. Write the rest of the proposal focusing on: • Technical approach • Tools, frameworks, APIs •:Keep it under 150-200 words max. Here is the project: [PASTE JOB POST]
$140 CAD 14 gün içinde
2,4
2,4

Hello, I understand your project as designing and implementing a production-ready video recommendation algorithm for your social media platform within a 1-day timeframe. I will develop a hybrid recommendation system combining collaborative filtering and content-based filtering, leveraging user engagement data, video metadata, and content similarity embeddings. The algorithm will retrieve candidates from multiple sources—followed creators, trending videos, and similar content—and rank them using watch time, likes, shares, comments, completion rates, skip behavior, and time-based decay to ensure relevance and diversity. The solution will integrate seamlessly with your existing Node.js/Express.js backend and MongoDB collections (mUsers, Videos, Interactions, Follows). I will implement REST API endpoints for personalized recommendations, trending videos, interaction logging, and optional model retraining. Queries will be optimized for <500ms response time and to support 1000+ concurrent users. The system will be containerized with Docker for easy deployment. Full documentation, code comments, and performance metrics will be provided, alongside unit tests and error handling. I am ready to start immediately, maintain real-time communication via Slack/Discord, and provide post-delivery support for smooth integration. My approach ensures a scalable, efficient, and high-quality recommendation system aligned with your technical expectations. Warm Regards, Syeda Nimra Ali.
$140 CAD 7 gün içinde
0,0
0,0

Thanks for posting this project. I've checked it and it's really suitable for me - my skillset. I already have extensive experience in this field - tech what you need. My focus is not only the full functional product, but also the clean, modular code. I'd like to discuss the project details to confirm everything. Looking forward to your response. Sergey.
$140 CAD 1 gün içinde
0,0
0,0

Hi there, I am thrilled to introduce myself as a seasoned Algorithm Developer eager to take on the challenge of designing and implementing a cutting-edge video recommendation algorithm for your emerging social media platform. My extensive experience and proven track record in recommendation systems align perfectly with the intricate requirements of your project. To address the project scope, I will meticulously craft a hybrid recommendation strategy that combines collaborative filtering and content-based filtering to deliver personalized video suggestions based on user engagement patterns and content similarity. The algorithm will seamlessly integrate with your existing tech stack, ensuring a smooth and efficient deployment process. As a next step, I propose a detailed timeline for the algorithm development and eagerly anticipate collaborating with you to bring this innovative solution to life. When is the best time for us to discuss further details and kickstart this exciting project?Construct a compelling question about the project to ask the client, tone should be polite and professional
$155 CAD 2 gün içinde
0,0
0,0

Hey Parth P., I just finished reading the job description, and I see you are looking for someone experienced in Node.js, Algorithm, A/B Testing, MongoDB, Data Integration, API Development, REST API and React.js. 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 a few questions: 1. Are all these requirements? If not, please share more detailed requirements. 2. Do you currently have anything done for the job, or does it have 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 in 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. 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, Fatima Waqar.
$200 CAD 2 gün içinde
0,0
0,0

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