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Title: Full Stack Developer for Custom Search Engine (Maw Maw) Project Description: We are looking for an experienced, highly skilled Full Stack Developer to build and deploy a complete custom search engine platform (Maw Maw) across Web and Mobile (iOS & Android). The platform requires seamless monetization, search syndication API integration, and a high-performance backend. Key Responsibilities & Deliverables: * Frontend & Mobile App Development: Design and build a clean, responsive Web application. Develop cross-platform Mobile Applications (iOS and Android) using React Native or Flutter. * API Integration & Monetization: Integrate third-party Search Syndication APIs to power query results. Connect Ad Networks and dynamic Affiliate Link routing for monetization. * Backend Architecture & Database Management: Build a robust, low-latency Backend structure using Rust, Node.js, or Python/Django. Set up and optimize fast, scalable database management (e.g., PostgreSQL or MongoDB). * Security, Performance & Deployment: Implement strict web security standards, data encryption, and secure REST API endpoints. Optimize page speed, response latency, and system reliability. Handle complete app store submission prep and production server deployment. Technical Requirements: * Proven track record as a Full Stack Developer (both Web and Mobile). * Hands-on experience with API syndication, ad networks, and secure payment/monetization flows. * Strong proficiency in Rust, Node.js, or Python for backend, alongside React Native, Flutter, or Java for mobile. * Deep knowledge of relational and non-relational database architecture. * Excellent English communication skills for technical documentation and regular progress updates. Application & Screening Questions: When submitting your proposal, please answer the following questions: * What tech stack (frameworks/languages) do you propose for the Backend, Frontend, and Mobile apps for this project? * Do you have prior experience integrating Search Syndication or Ad Network APIs? Please share relevant examples. * Which database (PostgreSQL vs. MongoDB) do you recommend for low-latency query handling in this engine, and why? Please attach direct links to your portfolio, GitHub, or previous similar projects.
Project ID: 40696843
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321 freelancers are bidding on average $810 USD for this job

Hello, I am Dr. Rajesh Rolen, PhD in Computer Science & Engineering, with experience of over 20+ years in Android, API Integration, Flutter, Mobile App Development, React Native, NoSQL Couch & Mongo, Full Stack Development, Node.js As a preferred freelancer in the top 1%, I have done 400+ projects here on freelancer.com, I have 4.9 ratings out of 5 on average, which showcases my quality of work and timely delivery. Key Highlights: - Free Hosting Support on the Cloud or any desired platform. - Free 3 months of post-delivery support to ensure that our client doesn’t face any challenges after the launch of the project. - Free Dedicated tester on projects to ensure quality delivery, so clients don’t need to act as a tester. - 10+ Years experience UI/UX team to ensure intuitive UI. Portfolio: https://www.freelancer.com/u/Microlent Please open the chat and send me a message, so we can have a more detailed discussion about the project to give you the project timeline and cost. Thank you for considering my services. I look forward to engaging in a productive conversation and understanding how I can be of assistance in bringing your project to life. Regards Rajesh Rolen
$720 USD in 30 days
9.4
9.4

Hi, I'm Elias, a Miami-based senior software engineer with 20 years of experience. I specialize in full-stack development, particularly in building customizable search engines and scalable applications. I see that your goal for the Maw Maw project is to create a search engine tailored to specific user needs and capable of integrating with various data sources. I've developed similar systems before, focusing on secure architecture, responsive UI, and performance optimization. My approach would involve: 1) Understanding the business workflow and technical requirements. 2) Designing the user experience and system architecture. 3) Developing core features and API integrations. 4) Conducting thorough testing to ensure reliability. 5) Deploying the solution and providing post-launch support. Could you please clarify the following questions to help me better understand the project? 1) What specific data sources or APIs will the search engine need to integrate with? 2) Are there particular user roles and permissions we should consider? 3) What edge cases or unique user scenarios should the search functionality account for? I've built similar systems before. Most of my projects were completed under NDA, so I can't publicly share them, but I'm happy to discuss the architecture and features. Additionally, I focus on creating a maintainable codebase to ensure your project can evolve as your needs grow.
$750 USD in 5 days
8.8
8.8

Hi there, For Maw Maw, I’d recommend a TypeScript/Node.js backend with PostgreSQL, a responsive React web app, and React Native for iOS and Android. This keeps the platform consistent across web and mobile while giving you a solid foundation for search, monetization, and future scaling. For low-latency search and transactional data, I’d choose PostgreSQL over MongoDB because the core system involves structured relationships between users, queries, affiliate routing, ad/monetization data, and API results. Search-specific indexing or caching can then be added where needed. I’d also structure the backend around the search syndication APIs, ad networks, affiliate routing, secure REST endpoints, encryption, caching, and monitoring, with production deployment and app-store preparation included. For portfolio/GitHub examples, I’d be happy to share relevant work based on the specific areas you’d like to review. Best, Ivane
$750 USD in 7 days
8.2
8.2

With a decade of comprehensive experience as a Full-Stack Developer, proficient in both Web and Mobile development, I am confident in my ability to deliver outstanding results for your Custom Search Engine, Maw Maw. I have specialized knowledge in languages like Rust, Python/Django, Node.js for backend and React Native/Flutter for mobile - an appropriate tech stack that perfectly fits the requirements of your project. My past work also includes expertise in integrating Search Syndication and Ad Network APIs which aligns well with your project expectations. You'd be getting a full-on tech geek for your project! My AI automation skills in Python combined with my proficiency in hybrid app development using Flutter and React Native ensures an optimum performance of queries and also smoothens the User Experience. As an experienced full-stack developer, I understand the importance of database architecture too. For low-latency query handling,I would personally recommend PostgreSQL for its better handling capabilities without compromising on data reliability. I welcome you to visit my GitHub portfolio where one could witness my capabilities first-hand. When you hire me, you are making way for a productive collaboration that will exceed your expectations. Let's build a phenomenal search engine together!
$750 USD in 7 days
7.9
7.9

Hi there, We understand you're looking to build a comprehensive custom search engine platform, Maw Maw, that spans both web and mobile (iOS & Android) with features like seamless monetization, search syndication API integration, and a high-performance backend. With our 17 years of experience in web and mobile development, and a strong portfolio that includes a music voting mobile app built with React Native and a furniture store mobile app using Flutter, we believe Webbook Studio is well-equipped to handle this project. Our team has hands-on experience with API integrations, ad networks, and secure payment flows, and we're proficient in a range of technologies including Node.js, React Native, and MongoDB. What specific design and user experience elements do you envision for the web and mobile applications to ensure they align with your brand and user expectations? Feel free to message us to discuss the details! — Webbook Studio
$1,000 USD in 20 days
7.7
7.7

✅ Hello, Maw Maw needs web, iOS/Android, search syndication APIs, ads, and affiliate routing with low latency. We would first lock the query API, monetization rules, and fallback flow. - Backend: Node.js/NestJS + PostgreSQL, with Redis for hot queries. - REST API with JWT/OAuth, rate limits, encryption, and OpenAPI docs. - Integrate search syndication APIs, ad networks, and affiliate routing. - React web + React Native apps, tests, CI/CD, deploy, and store prep. We recommend PostgreSQL over MongoDB for query logs, ad events, reporting, indexes, and integrity; Redis covers speed. No direct search/ad syndication example to link. Webcapitan is a Ukraine studio: 8+ years, Preferred Freelancer, 580+ 5★ reviews. Greenfield, or existing codebase/version to continue? Which syndication and ad providers are already approved? Please let me know your thoughts. Looking forward, Roman
$700 USD in 4 days
7.6
7.6

Hi, Mateo here, from Toronto, to help you build this out. A search engine like this only works if the syndication layer and monetization routing are built as one clean pipeline from the start, so I'd architect the backend in Node.js with a low-latency query layer, PostgreSQL for structured data and fast indexing, and the ad/affiliate routing wired directly into the search results flow rather than tacked on after. Worth flagging honestly though: a full web platform plus native-quality iOS/Android apps, syndication API integration, ad network monetization, and production deployment is a much bigger build than this budget covers as a complete package. I'd suggest scoping Phase 1 tightly around the web app and core search/syndication pipeline, with mobile and monetization layered on as a follow-on phase once the engine itself is proven. Would you rather I prioritize the web platform and search pipeline first, or get one mobile app working end-to-end alongside it before the other?
$1,000 USD in 10 days
7.2
7.2

Hi, Building a search engine with monetization layers and cross-platform mobile is complex — how locked in are you on the tech stack, or open to recommendations based on speed and cost? We've shipped React Native apps with API integrations and backend systems handling real traffic. The bid amount here is just a placeholder — I'll send actual numbers once we nail down scope. Let's talk. Regards, Nurul Hasan
$700 USD in 21 days
7.0
7.0

Hello, We can build Maw Maw as a scalable full-stack search platform using **Node.js, React, React Native, and PostgreSQL**. We do not use Flutter, but React Native can provide a shared iOS/Android codebase. Our methodology will begin with search architecture and API integration, followed by the web interface, mobile applications, search syndication, ad-network and affiliate monetization flows. We’ll design secure REST APIs with caching and optimized query handling to keep search latency low. We recommend PostgreSQL for the core platform because its relational structure, indexing, transactions, and scalability are well suited for users, monetization, configuration, and analytics data. Search-specific caching/indexing can be added where required for faster results. We’ll implement authentication, encryption, API security, performance optimization, monitoring, production deployment, and app-store preparation. Development will be milestone-based with staging and testing before launch.
$750 USD in 15 days
7.2
7.2

Building a custom search engine like Maw Maw requires a solid backend structure and effective API integration for monetization. I see the need for those high-performance backends, likely using Rust or Node.js, paired with PostgreSQL for efficient query handling. And for the frontend and mobile apps, I recommend React Native for cross-platform compatibility, making sure a responsive web application. I can go ahead and get this built and ready for you to test before any payment is made, you can check the functionality first, and only once you're satisfied, we can finalize the payment. This way, you have nothing to lose. I'm ready to start immediately, so let’s make this happen. Rajavel - Full Stack Developer specializing in React Native, Rust, and API integration.
$749 USD in 10 days
6.7
6.7

Hi, As the head and lead developer of IT Flex Solutions India, I am thrilled to offer you our expertise in bringing your vision of Maw Maw to life. With nearly two decades of extensive experience, our team has successfully completed 483+ projects, ranging from web development to mobile apps and even AI-driven solutions. At IT Flex Solutions India, we emphasize the ability to make an idea fly with real business impact. We understand the technical requirements of your project including Full Stack Development, Mobile App Development using React Native and Flutter along with API Integration. Our immense familiarity with monetization systems will ensure that third-party Search Syndication APIs are seamlessly integrated to power query results, connect Ad Networks for efficient monetization and incorporate dynamic Affiliate Link routing. Furthermore, as a seasoned team who prides itself on quality and efficiency, we accomplish this through our masterful grasp of relevant tech stacks: Rust, Node.js or Python/Django for Backend development with PostgreSQL or MongoDB for database management. These choices are arrived at after thorough consideration of low-latency query handling, system reliability and response latency optimization - critical factors for Maw Maw's success. I believe our proven track record in similar projects speaks volumes. Thanks, SBM
$850 USD in 18 days
7.1
7.1

Hello Sir I see, You need a cross-platform custom search engine (Maw Maw) for web and mobile with integrated search syndication and ad monetization. I propose using Node.js for a fast backend, PostgreSQL because it is highly reliable for low-latency structured query handling, and React Native for smooth iOS and Android apps. With my past experience in connecting third-party APIs and ad networks, I will ensure your platform is highly secure, loads results instantly, and is fully deployed to production and app stores. let's discuss how we can launch Maw Maw successfully !!
$1,000 USD in 7 days
6.8
6.8

Your search engine will fail under concurrent load if you don't implement proper query caching and rate-limit handling for your syndication APIs. Most developers overlook this until production traffic causes cascading timeouts. Quick questions - are you planning to cache search results at the CDN layer or application layer? And what's your expected query volume per second at launch versus 6 months out? Here is the architectural approach: - RUST BACKEND: Build async query router with Tokio runtime to handle 10K+ concurrent requests without blocking, integrating rate-limited API calls through connection pooling - REACT NATIVE: Develop unified iOS/Android codebase with offline-first architecture so users can browse cached results when APIs are down or slow - MONGODB: Implement sharded cluster with geospatial indexing for sub-50ms query response times, better suited than PostgreSQL for unstructured search result schemas that change per API provider I've built 2 production search platforms processing 500K daily queries with multi-API fallback logic and programmatic ad insertion. Let's schedule a 20-minute technical call to map your monetization flow before architecture lock-in.
$680 USD in 21 days
7.2
7.2

Hi there, Building a custom search engine like Maw Maw can often hit roadblocks with performance bottlenecks and complex API integrations. I have successfully resolved these issues in past projects using my expertise in both frontend and backend development, ensuring seamless operation and monetization across platforms. Here are my questions: 1. Which specific ad networks and affiliate programs are you planning to integrate for monetization? 2. Do you have a preferred choice between React Native and Flutter for the mobile application development? Let's discuss your project now!
$750 USD in 15 days
6.3
6.3

Hi I have read your requirements and I am sure I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise in Native on Android Java, kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native and for web and backend on react js and node js, Python Django. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$750 USD in 25 days
6.6
6.6

Hi, I'm Denis, a full-stack developer who has built several search and data-heavy platforms combining web, mobile, and backend systems. I understand what you're building with Maw Maw—a performant search engine handling API syndication, monetization flows, and scaling across web and mobile. I've worked on similar systems integrating multiple third-party APIs, implementing ad network routing, and keeping mobile apps synchronized with backend data. The core challenge is balancing low-latency search results with monetization logic without degrading user experience. For this project, I'd recommend Node.js with PostgreSQL. Node.js efficiently handles concurrent API calls when aggregating results from multiple sources. PostgreSQL provides relational structure for user data, search history, and monetization tracking while maintaining sub-100ms query performance. React handles the web frontend, while React Native covers both iOS and Android from a single codebase. Implementation starts with backend architecture—setting up the API layer for syndication, implementing caching for frequent queries, and building the monetization pipeline. We'd then develop web and mobile frontends in parallel, ensuring consistent API consumption. Database optimization and security hardening would run throughout. One realistic consideration: third-party APIs have rate limits and occasional downtime. We'd implement fallback logic, request queuing, and monitoring to catch issues early rather than letting
$600 USD in 15 days
6.0
6.0

Hello! I see you're looking for a full-stack developer for your customizable search engine, Maw Maw. Your goal seems to be creating a flexible search solution that can adapt to various needs. I'd love to help you bring this vision to life. I noticed you require skills in Node.js, NoSQL databases, and mobile development. Could you clarify if there are specific features or integrations you have in mind for the search engine? Also, are there particular platforms or devices you want to prioritize for the mobile app? To ensure a smooth development process, we could break the project into phases: start with defining the core functionality, then build the API, followed by the front-end and mobile integration. This approach minimizes risks and allows for adjustments along the way. I've worked on similar projects before, including a regional booking platform for a tutoring service, an internal CRM for a property agency, and a React Native field-reporting app. Looking forward to discussing this further!
$750 USD in 8 days
6.6
6.6

Dear Client, I read "Maw Maw: Customizable Full Stack Search Engine" carefully and understand you are looking for a full-stack developer who can handle both application development and AI integration. I have experience with Mobile App Development, Android, NoSQL Couch & Mongo, Node.js, Full Stack Development, React Native, Flutter and can work across the complete stack — frontend, backend, APIs, databases, authentication, third-party integrations and AI features. I can build scalable applications using modern technologies while keeping the codebase maintainable and production-ready. A few quick questions: Which AI models/APIs are you currently planning to use? Is there an existing application/codebase, or will the project be built from scratch? Thanks & Regards, Deepak
$650 USD in 14 days
5.6
5.6

Hi there, I understand you want to build Maw Maw as a complete search platform across web and mobile, combining fast query delivery, third-party search syndication, monetization, secure APIs, and a backend designed for reliable growth. I have experience with Node.js, Python, React Native, Flutter, NoSQL, database management, API integration, web development, mobile development, and cloud-based systems. For this project, I would recommend a modular architecture with Node.js or Python services, PostgreSQL for structured platform data, and MongoDB where flexible high-volume data handling is beneficial. My approach is to first map the search request flow, API dependencies, monetization logic, and data architecture, then build the backend and secure REST APIs before connecting responsive web and cross-platform mobile applications. Performance, caching, encryption, and maintainable code would be considered from the foundation. M1: Architecture, API planning and database foundation M2: Search platform, web and mobile application development M3: Security, testing, deployment and production preparation Looking forward to work with you. Thanks
$500 USD in 7 days
5.7
5.7

Hi, Your project to build a customizable full stack search engine for mobile platforms involves integrating diverse technologies and managing data across NoSQL stores and search layers. The main technical risk I see is ensuring consistent and performant search results across distributed data sources and mobile clients. While my recent projects focus on AI-driven document intelligence and scalable backend services rather than mobile app development or Rust, I have deep experience designing full stack systems that integrate complex data pipelines and search architectures. I typically design systems by separating ingestion, indexing, and query layers to isolate concerns and optimize performance. Early validation would focus on data consistency and query latency under realistic mobile constraints. For reliability, I emphasize monitoring and fallback strategies to handle partial failures and maintain user experience. This approach reduces unsupported results and improves system stability. I can start by outlining a scalable ingestion and indexing pipeline tailored for your NoSQL backend and mobile search requirements. Clifton
$750 USD in 7 days
5.6
5.6

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