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10.0
10.0
97%

Surat, India
$15 USD per hour
⭐ Top 1% on Freelancer.com | Narola Infotech - Digitalising Businesses Since 2005 ✎ About Us We are Narola Infotech, a globally recognized IT solutions company with 20+ years of experience delivering high-performance web, mobile, and enterprise software solutions to 1500+ happy clients across 50+ countries. Trusted by Fortune companies like CGI, L&T, Infosys, Biocon, and TVSNext. We don't just build software, we build lasting partnerships. Our approach is simple: understand your vision, deliver beyond expectations, and stay with you every step of the way. ✎ Why Choose Us? ➬ 20+ Years of Industry Experience ➬ 350+ Talented IT Professionals ➬ 3000+ Successfully Delivered Projects ➬ 95% Client Retention Ratio ➬ 4.9 ⭐ Clutch Rating ➬ 100% Project Success Ratio ➬ Clutch Top 1000 Companies Global 2022 ➬ Best Outsourcing Company - SGCCI ✎ Our Services ➬ Custom Web & Mobile App Development ➬ Custom Enterprise Software Development ➬ AI/ML & Data Analytics Solutions ➬ QA & Software Testing (Automation, Security, Performance) ➬ DevOps, Cloud Migration & Managed Services ➬ Salesforce Consulting, Implementation & Support ➬ Staff Augmentation - Dedicated Teams or Individual Developers ➬ Support & Maintenance ✎ Tech Stack ➬ Frontend: ReactJS, AngularJS, VueJS, NextJS, NuxtJS ➬ Backend: Node.js, Java, PHP, Laravel, .NET, Python, Django, WordPress ➬ Mobile: Flutter, React Native, iOS (Swift), Android (Java/Kotlin) ➬ Cloud & DevOps: AWS, Azure, Docker, Kubernetes, Jenkins, CI/CD, Terraform ➬ Database: MySQL, MongoDB, PostgreSQL, Firebase, MS-SQL ➬ Other: Salesforce, MS Dynamics 365, Power Platform, Big Data, AI/ML, Automation ✎ Industries We Serve ● Fintech ● Healthcare ● Retail & Ecommerce ● Education ● Real Estate ● Media & Entertainment ●Transport & Logistics ✎ Our Strengths ➬ Agile Development Methodology ➬ Daily & Weekly Progress Reports ➬ Clear Communication & Collaboration ➬ 100% Plagiarism-Free & Secure Delivery ➬ Guaranteed Data Privacy & NDA Protection ➬ Flexible Engagement Models: ● Fixed Cost ● Time & Material (Hourly) ● Dedicated Team ● Hybrid Model (Fixed + Hourly) ✎ Our Promise "You will get the value of every penny you spend. We are committed to driving your business forward with reliable, quality solutions powered by technology and innovation." - Ashish Narola, CEO

8.3
8.3
99%

Karachi, Pakistan
$25 USD per hour
Hello, I'm a data analyst with 8+ years of hands-on experience in transforming raw data into actionable insights. I have been assisting businesses, researchers, and doctoral scholars globally in effectively analyzing qualitative and quantitative data using tools such as Stata, SPSS, R, Python, EViews, Power BI, and Excel. In addition to my core data analysis expertise, I have expanded my capabilities in AI automation, machine learning, and large language model (LLM) applications. I work with frameworks like LangChain and Retrieval-Augmented Generation (RAG) to develop intelligent solutions such as chatbots, knowledge retrieval systems, and automated analytics pipelines — enabling organizations to streamline workflows and enhance decision-making with AI-powered insights. With a blend of domain expertise in business and science and robust statistical skills, I am equipped to decode complex datasets, unveil hidden patterns and trends, and present findings as actionable predictive and explanatory models. ► My Services: ✔️ Statistical Analysis using R / SPSS / STATA / EViews: -Descriptive Statistics: Means, Medians, Modes, Standard Deviations, Frequency Distributions, and Cross-tabulations -Hypothesis Testing: T-Tests, Chi-square Tests, and ANOVA (ANOVA/ANCOVA/MANOVA) -Regression Analysis: Linear and Logistic Regression Models -Time Series Analysis: Trend Analysis, Seasonality, and Forecasting -Multivariate Analysis: PCA, Factor Analysis, and Cluster Analysis -Econometric Analysis: VAR, VECM, and Panel Data Analysis ✔️ Machine Learning & AI Automation: -Supervised and Unsupervised Learning (Regression, Classification, Clustering) -Natural Language Processing (NLP) and LLM Applications -LangChain and RAG-based Chatbots, Assistants, and Knowledge Systems -Automated Data Pipelines and Predictive Modeling ✔️ Power BI Reporting: -Extracting data from various sources (APIs, Excel files, SQL Servers, etc.) -Cleaning and transforming data using Power Query on Datasets or Dataflows -Establishing data model relationships -Creating and validating measures using DAX -Developing and testing charts and filters -Designing user-friendly interfaces ✔️ Data Visualization: -Histograms, Scatter Plots, Box Plots, Heatmaps, and Dendrograms ✔️ Reporting and Documentation: -Comprehensive statistical reporting with clear visualizations and actionable insights tailored to your needs — ensuring that findings are both understandable and practical for decision-making. With this broad technical expertise, I provide free consultations and strategic recommendations to help clients address real-world challenges and drive smarter, data-informed decisions in today’s AI-driven world. Best Regards, Aneesa

10.0
10.0
98%

Berhampore, India
$15 USD per hour
Techno Exponent is a globally recognized software development company with 355+ excellent reviews on Freelancer.com and a strong track record of delivering high-quality web, mobile, AI, automation, SaaS, CRM, ERP, eCommerce, and enterprise software solutions. We are not just a team of developers; we are a complete technology partner for businesses that want to build, modernize, automate, and scale their digital products. With a strong in-house team of experienced developers, designers, project managers, business analysts, QA engineers, and AI specialists, we help startups, SMEs, and enterprises transform their ideas into secure, scalable, and market-ready solutions. --------> What We Do We provide end-to-end development services across all industries, including: Custom Website Development Mobile App Development AI Chatbot & AI Agent Development SaaS Platform Development CRM & ERP Development eCommerce & Marketplace Development Healthcare & Telehealth Platforms Fintech & Payment Solutions Real Estate Platforms Logistics & On-Demand Applications Booking & Appointment Systems Workflow Automation Legacy Software Modernization API Development & Third-Party Integration Cloud Deployment & Maintenance AI & Automation Expertise We help businesses use AI practically, not just as a buzzword. Our team builds AI-powered chatbots, customer support automation, lead qualification systems, document-based AI assistants, workflow automation tools, recommendation engines, AI dashboards, and intelligent business process automation systems. Whether you need an AI chatbot trained on your website, PDFs, and documents, or a complete AI-powered business platform, we can design and develop a solution that fits your goals. -------->Why Clients Choose Techno Exponent 342+ strong reviews on Freelancer.com Experienced in-house development team CMMI Level 5 process-driven delivery End-to-end support from planning to launch Transparent communication and milestone-based execution Dedicated project manager and business analyst Strong UI/UX, development, QA, and deployment process Experience across multiple industries and business models Long-term maintenance and post-launch support --------> Our Approach We first understand your business objective, target users, workflow, and expected outcome. Then we prepare a clear development roadmap, define the required features, suggest the right technology stack, design the user experience, develop the system, test it properly, and support you after launch. Our goal is not only to complete the project, but to build a solution that is practical, scalable, and useful for your business. --------> Let’s Build Something Great If you are looking for a reliable, experienced, and quality-focused development partner, Techno Exponent can help you turn your idea into a powerful digital product. We are ready to discuss your project, suggest the right approach, and deliver a solution that matches your business vision.

8.5
8.5
94%

BIKANER, India
$15 USD per hour
Core Techies is a software development and AI engineering company helping startups and enterprises build scalable digital products, automation systems, AI-powered solutions, and SaaS platforms. Since 2013, we have successfully delivered 200+ projects across web applications, mobile apps, backend systems, enterprise software, workflow automation, and AI-powered products. Our expertise includes: 🚀 AI Agents & AI Applications Custom AI agents, conversational AI systems, RAG applications, LLM integrations, document intelligence, and business process automation. ⚡ Workflow Automation n8n, Make.com, Zapier, CRM automation, sales workflows, operational automation, lead management, customer support automation, and system integrations. 📱 Mobile App Development Flutter, Android, iOS, React Native, Firebase-powered applications, MVP development, and enterprise mobile solutions. 💻 Web & SaaS Development React, Next.js, Node.js, Python, Java, Spring Boot, custom SaaS platforms, admin dashboards, multi-tenant systems, and enterprise applications. 🔌 API & System Integrations CRM, ERP, payment gateways, third-party APIs, cloud services, communication platforms, and business system integrations. ☁️ Cloud & DevOps AWS, Google Cloud, Docker, Kubernetes, CI/CD, deployment automation, and scalable cloud infrastructure. Our team focuses on building practical solutions that improve operations, automate workflows, reduce manual effort, and help businesses scale efficiently. Whether you need an AI-powered product, SaaS platform, mobile application, automation workflow, or enterprise software solution, we can help transform your idea into a production-ready system.

8.5
8.5
97%

Jaipur, India
$25 USD per hour
AI-Powered Digital Solutions | Web, App & Intelligent Systems Web Nautical combines 25+ experts in AI development, web/app creation, and creative design to deliver next-generation digital experiences. 🚀AI & Machine Learning (NEW) ✓ Custom AI chatbots (GPT-4, Claude AI) ✓ RAG systems for intelligent document search ✓ NLP: sentiment analysis, text automation ✓ ML models: predictive analytics, recommendations ✓ LLM integration and fine-tuning ✓ AI-powered web applications 💻 Web & Mobile Development ✓ Responsive websites (React, Next.js, Vue.js, Angular) ✓ Mobile apps (iOS & Android with AI features) ✓ E-commerce platforms with smart recommendations ✓ Progressive Web Apps (PWA) ✓ Website redesign & modernization ✓ Full-stack development (Node.js, Python) 🎨 Design & Branding ✓ UI/UX Design (User-Centered & Conversion-Focused) ✓ User research & persona creation ✓ Wireframing & low/high-fidelity prototypes (Figma) ✓ UX flows, information architecture & usability testing ✓ Modern UI design systems (Web & Mobile) ✓ SaaS dashboards, AI tools & enterprise UX ✓ Design handoff for developers (clean specs & components) 🔧 Technical Stack: Frontend: React, Next.js, Vue.js, Angular, Bootstrap, Tailwind Backend: Node.js, Python, FastAPI, Django AI/ML: LangChain, TensorFlow, PyTorch, OpenAI, Hugging Face Databases: PostgreSQL, MongoDB, Pinecone, Weaviate Cloud: AWS, Google Cloud, Azure Why Choose Us: 🎯 Complete digital solutions under one roof ⚡ Fast delivery with quality code 🤖 AI expertise for competitive edge 💡 Creative + Technical excellence 📈 Proven track record with 100+ projects Transform your business with intelligent digital solutions!

6.7
6.7
99%

Howrah, India
$75 USD per hour
We are Codesigma Technology Services, a full-stack development agency based in India with 10+ years of delivering complex, production-ready applications. Our founder and top developers have experience working with Inc. 5000 companies and professional teams across the world, bringing a strong understanding of diverse, multicultural work environments to every project. We are a tight team of experienced developers - small enough to move fast, experienced enough to build right. You always work with the most senior person, not a project manager who delegates to juniors. What we've built: -> Cross-platform POS system - React, Firebase, Flutter, Electron - running on Web, Android, iOS, macOS, and Windows with full offline-first functionality and real-time sync -> Multi-channel e-commerce aggregator - unified management of Amazon, Flipkart, Shopify, Meesho, Nykaa orders, inventory, warehouse, and payment reconciliation -> Real-time audio/video interpretation SaaS - Twilio Voice/Video, Task Router, BoostLingo integration, serving a global user base -> Booking systems, media streaming platforms, headless CMS websites, Shopify applications, and WordPress plugins across industries Our technical stack: Frontend: React, Next.js, Angular, JavaScript, TypeScript Backend: Node.js, PHP (Laravel, CodeIgniter), Python Mobile & desktop: Flutter, React Native, Electron.js Real-time: Twilio, Firebase, WebSockets Data: MySQL, MongoDB, PostgreSQL, Firestore Integrations: Stripe, PayPal, Razorpay, Shopify API, Amazon SP-API, GraphQL Infrastructure: AWS, Linux server management, deployment We are the right fit if you need: - A long-term development partner, not a one-off freelancer - End-to-end ownership from architecture to deployment - Cross-platform delivery (web + mobile + desktop from one team) - Complex integrations with third-party APIs and platforms - Clean, documented, maintainable code that your team can take over We work on fixed-price and hourly engagements. For ongoing projects, we offer monthly retainer arrangements. Let's discuss your project.

6.3
6.3
95%

Zagora, Morocco
$45 USD per hour
I am a Data Scientist and AI enthusiast with extensive experience in leveraging advanced technologies to drive business transformation. My expertise spans generative AI, large language models (LLMs), machine learning, time series forecasting, and natural language processing (NLP). I have worked with leading organizations to implement data-driven strategies to enhance decision-making and operational efficiency. My skills include developing AI-powered chatbots, building predictive models for analytics, creating NLP-driven tools for text classification, and designing computer vision applications for image recognition. I am passionate about collaborating on innovative projects that utilize AI to revolutionize business processes, automate tasks, and extract valuable insights from data. If you're looking to harness AI for customer engagement, improve decision-making, or automate complex workflows, let's work together to unlock the full potential of your data.

4.4
4.4
100%

Tequila, Mexico
$35 USD per hour
I help startups, SaaS companies, and enterprises build **modern web applications, cross-platform mobile apps, cloud-native systems, and AI-powered solutions** that are scalable, secure, and production-ready. From UI/UX and backend architecture to cloud deployment and AI integration, I deliver complete end-to-end software solutions. ## 🚀 Services 🌐 Modern Web Applications (React, Next.js, Vue, Angular, ASP.NET Core) 📱 Cross-Platform Mobile Apps (React Native, Flutter, .NET MAUI) ⚙️ Backend APIs, Microservices & Enterprise Systems 🤖 AI Chatbots, AI Agents & Workflow Automation 🧠 OpenAI, Claude, LangChain, LangGraph & RAG Applications 🎨 AI Image & Video Generation (Stable Diffusion, ComfyUI, Runway, Pika) 🔗 Third-Party API Integrations (Stripe, PayPal, Square, Twilio, Firebase, Supabase, ElevenLabs) ☁️ Cloud Deployment on Azure, AWS, Google Cloud, Vercel & Netlify ⚡ Performance Optimization, Legacy Modernization & Clean Architecture ## 💻 Technical Skills ### 🎨 Frontend React • Next.js • Vue • Angular • Svelte • TypeScript • JavaScript • HTML5 • CSS3 • Tailwind CSS • Bootstrap • Material UI • shadcn/ui ### ⚙️ Backend C# • .NET Core • ASP.NET Core • Web API • Node.js • Express • NestJS • Python • Django • FastAPI • Flask • PHP • Laravel • Java Spring Boot • Go ### 📱 Mobile React Native • Flutter • .NET MAUI • Kotlin • Swift • SwiftUI • Ionic • Capacitor ### 🗄️ Databases SQL Server • PostgreSQL • MySQL • MongoDB • SQLite • Redis • Firebase • Supabase • Prisma ORM ### ☁️ Cloud & DevOps Azure • AWS • Google Cloud • Docker • Kubernetes • GitHub Actions • GitLab CI/CD • Jenkins • Terraform • Linux • Nginx ### 🤖 AI & Automation OpenAI GPT • Claude AI • LangChain • LangGraph • RAG • AI Agents • MCP • Stable Diffusion • ComfyUI • Pinecone • Weaviate • ChromaDB ### 🔌 APIs & Integrations REST • GraphQL • WebSockets • gRPC • OAuth • JWT • Stripe • PayPal • Square • Twilio • Firebase • Supabase • OpenAI API • Claude API • ElevenLabs ### 🛠️ Tools Git • GitHub • GitLab • Bitbucket • Postman • Jest • Playwright • Cypress • WordPress • Shopify • WooCommerce ## ⭐ Why Choose Me? ✅ Senior Full-Stack Engineer ✅ Web, Mobile & AI Expertise ✅ Clean, Scalable & Maintainable Code ✅ Cloud-Native & Enterprise Architecture ✅ Fast Communication & Reliable Delivery ✅ Long-Term Technical Partner 📩 Whether you need a SaaS platform, AI application, enterprise software, cloud infrastructure, or a mobile app, I'm ready to turn your ideas into high-quality, scalable software.

3.8
3.8
92%

Suwon-si, Korea, Republic of
$20 USD per hour
I am a highly skilled Engineer with experience in cutting-edge technologies, using Python, Computer Vision, Deep Learning, and Machine Learning. My expertise includes cloud computing, MATLAB, C/C++, TinyML, and edge device inferencing.. I am proficient in designing and implementing robust AI solutions, optimizing models for resource-constrained environments, and developing systems for real-time performance. Whether it's creating innovative machine learning pipelines, deploying AI on the cloud, or programming in low-level languages, I bring a versatile skill set to meet your project needs. I have obtained multiple certifications in my domain. Along with 2 Publications. If you're looking for an expert to complete your projects, let’s collaborate!
A Recommendation System Specialist is a machine learning engineer who designs, builds, and deploys algorithms that predict user preferences and surface relevant items, content, or products in real time. These specialists combine data science, ranking models, and production engineering to power the personalization features behind e-commerce storefronts, streaming platforms, news feeds, and social networks.
Hiring a recommendation system expert means investing in measurable lifts to engagement, retention, and revenue per user. The right freelancer translates raw interaction logs into ranked suggestions that match each user's intent — whether that is a "customers also bought" carousel, a "for you" video feed, or a personalized email digest.
Typical deliverables include a working recommender service, evaluation reports, and the supporting data pipelines. A recommendation engine developer will usually own the project end to end, from problem framing and offline evaluation through to A/B testing and production rollout.
A capable recommender systems engineer is fluent across the modern machine learning stack. Expect proficiency in Python and SQL as a baseline, with strong command of the libraries and platforms used to train and serve large-scale ranking models.
Personalization specialists work across nearly every consumer-facing sector. The same core techniques — retrieval, ranking, and feedback loops — are adapted to the data and constraints of each industry.
Strong candidates show both research depth and shipping experience. Look for portfolios that include production case studies with measurable business outcomes, not just notebook experiments. Pay attention to how they discuss evaluation — anyone who only talks about RMSE without referencing ranking metrics or A/B test design is likely missing the production picture.
Sample interview questions you can use directly:
Freelancer.com gives you access to a global pool of machine learning engineers, data scientists, and recommender systems experts across every time zone. Whether you need a specialist to prototype a first recommendation engine or an experienced engineer to scale an existing model to millions of users, you can find vetted talent quickly. Clients on Freelancer.com set their own budgets and receive competitive bids, with profile ratings, portfolios, and verified reviews making it straightforward to compare candidates. Milestone Payments protect your funds until agreed deliverables are met, so you can hire on Freelancer.com with confidence even on complex, multi-phase machine learning projects.
Ready to add intelligent personalization to your product?
Hiring a recommendation system specialist works best when you treat the engagement as a structured machine learning project with clearly defined data, metrics, and deployment targets. The steps below walk you through writing a brief that attracts qualified bids, comparing proposals, and awarding the project with confidence.
Your project post is the single biggest determinant of bid quality. A clear, technical brief filters for candidates who genuinely understand recommender systems and weeds out generic machine learning generalists. Head to the
Bids are short proposals, not just price quotes. They reveal how each freelancer interprets your problem, what modeling approach they would use, and whether their proposed timeline is realistic for the data and infrastructure involved. Read carefully and shortlist candidates whose technical reasoning aligns with your brief.
The final decision combines proposal quality with profile evidence. Weigh consistency across past projects rather than a single impressive example, and prioritize freelancers whose reviews mention measurable lifts and reliable communication on machine learning engagements.
A baseline recommender — for example, an item-to-item collaborative filtering model with offline evaluation — can typically be built in two to four weeks. A production-grade system with retrieval, ranking, A/B testing, and serving infrastructure usually takes two to four months depending on data readiness and integration complexity.
A general data scientist covers a broad range of analytics and modeling tasks, while a recommendation system specialist focuses specifically on retrieval, ranking, and personalization at scale. The specialist brings deep familiarity with implicit feedback data, ranking metrics, vector search, and the engineering patterns required to serve recommendations in real time.
You will need user-item interaction data such as clicks, purchases, ratings, watch time, or similar engagement signals. A good freelancer can advise during the bid stage on whether your current data volume and structure are sufficient, and will often propose data preparation as part of the project scope.
Yes. Most recommendation system specialists deliver the model behind a REST or gRPC API, and many also handle integration with your backend, content management system, or e-commerce platform. Make sure to mention your stack and latency requirements in the brief so freelancers can scope serving infrastructure accurately.
For most personalization projects, a single experienced freelancer or a small team assembled on Freelancer.com is more than sufficient and significantly more cost-effective than an agency. Agencies make sense only when you need parallel workstreams across data engineering, MLOps, and frontend changes simultaneously.

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