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Faizan A.
$27/hr
99% Job Success
$800K+ earned
Available now
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AI Consulting, CTO Expertise, Full Stack Development. Workflow Automations and Digital Transformations 🏆 Helped LulaCommerce Raise $10M in funding starting from scratch and now 1000+ stores on board 🏆 AUAV powered by software developed by us now used by clients like Rio Tinto, Energy Australia reducing the need of manpower by over 80% 🏆 Worked with leading marketplaces for therapists like Mental Health Match and UK Therapy Guide with thousands of therapists and customers on board 🏆 Setup and Manage dedicated team for LOCL.AI that power local seo for leading chains and travel destinations ⭐⭐⭐⭐⭐ "Faizan and his team were excellent! They were an extension of our team and were able to cover full-stack development across our web and mobile presence. ⭐⭐⭐⭐⭐ "Faizan, has a great team of professional developers. Part from his skill foremost I loved his attitude to work and manage product needs" ⭐⭐⭐⭐⭐ "Faizan is great and very reliable, I knew he was a great fit for our project as soon as we jumped on the phone. If you're looking for someone to turn your idea into a reality then Faizan and his team are your answer. I don't know very much about software, and most people I interviewed made everything way overcomplicated and asked me questions I wouldn't know how to answer in a million years. Faizan gave me no BS, and spoke to me in terms I could understand." As a CTO, I provide guidance on product roadmap planning, architecture design, and technology stack selection, enabling businesses to achieve sustainable growth. Web Development: Transforming ideas into reality through cutting-edge web technologies and design. AI Consulting: Strategic integration of AI technologies to enhance operational efficiency and innovation. CTO Expertise: Leadership in product roadmap planning, architecture design, and tech stack selection. Full Stack Development: Comprehensive development using technologies like Python, React, NextJs, Node, and more. Let’s collaborate to take your project to the next level. Contact me today to discuss how I can bring your vision to life.
ESketchers
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ESketchers
Vighnesh S.
$25/hr
96% Job Success
$30K+ earned
Offers consultations
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I am a Senior Product Manager & Business Analyst with deep expertise in UI/UX design, specializing in Banking, Fintech, and B2B SaaS. My responsibilities intersect at the critical junction of business strategy, technical requirements, and user experience. I don't just document products; I visualize them, validate them, and drive their delivery. So far I have assisted companies in the Fintech and SaaS sectors with efficient and timely product launches, ensuring that complex business logic is translated into intuitive, high-converting interfaces. Be it conceptualizing a product roadmap, writing detailed BRDs and PRDs, or creating pixel-perfect wireframes/ UI, UX in Figma, I make sure the cross-functional teams deliver within deadlines and within the parameters of the pre-defined business objectives. 💡Here’s a more detailed list of initiatives I can drive for you: • Define product vision and roadmap aligned with business ROI and market needs. • Develop wireframes, user flows, and interactive prototypes using Figma and Miro. • Ensure UX interfaces are intuitive, accessible, and drive user engagement. • Capture business and technical requirements; produce BRDs, PRDs, and User Stories. • Translate complex financial logic into clear, actionable tasks for developers. • Lead Discovery Workshops to uncover risks and validate assumptions early. • Conduct market, competitor, and gap analysis for strategic positioning. • Plan and execute go-to-market initiatives for B2B SaaS and Fintech products. • Design executive dashboards and reporting tools for data-driven decision making. • Manage end-to-end product lifecycles from "back of napkin" to launch. • Coordinate cross-functional remote teams to ensure on-time delivery. • Track product performance metrics and iterate based on user feedback. and much more... 🌟Why work with me? •🚀Hybrid expert: I bridge the gap between Business, Tech, and Design •🎯Outcome-focused: I prioritize features that drive real business value •🌍Flexibility to work within any timezone globally •✅Disciplined, process-driven approach to requirements and design •🏆Proven track record in high-stakes Fintech and Banking environments • 🗪 Fluent in translating "stakeholder vision" into "developer specs" If you are looking for someone with hybrid experience, someone who excels within multiple simultaneous roles and rapid development. Well, look no further. Let's connect and build software that drives impact 🚀
Vighnesh S. has worked .
$25/hr
100% Job Success
Available now
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I’m a Top Rated Plus .NET Back-End Developer with 14+ years of experience and over $1M in Upwork earnings, specializing in robust, scalable, and high-performance systems built on the Microsoft stack. I’ve delivered enterprise-grade solutions to clients across many countries, helping businesses in e-commerce, SaaS, healthcare, and logistics transform their backends into powerful, efficient engines that drive growth and reliability. My focus is always on your business outcomes in clean code, maintainable architecture, and consistent delivery that enhances performance and ROI. 1. Advanced .NET Technologies: Expert in C#, .NET Core (including .NET 6/7/8), ASP.NET MVC, and Web API for building secure, scalable RESTful APIs and microservices architectures. I ensure your applications are fast, maintainable, and ready for future expansion. 2. Cloud & DevOps Expertise: Architect and deploy cloud-native solutions using Microsoft Azure (App Services, Functions, Azure SQL, Key Vault) and AWS. I design CI/CD pipelines, use Docker containers, and implement microservices and serverless functions to achieve agility and scalability. 3. Database & Performance Optimization: Experienced in SQL Server and Entity Framework, I design efficient schemas, write optimized queries, and use caching and indexing strategies to maximize speed and responsiveness. My focus: applications that run smoother and scale effortlessly. 4. Business-Focused Results: I deliver automation, cost efficiency, and measurable performance gains. For instance, I’ve helped eCommerce clients cut API response times by over 60% and enterprises scale their systems without increasing infrastructure costs through smarter architecture and optimized code. 5. Reliable Communication & Delivery: Native-level English fluency ensures clear communication across time zones. I provide transparent progress updates, honor deadlines, and approach every engagement, whether a sprint or a long-term collaboration, with reliability and professionalism. -------------------------------------------------------------------------------------------------------------------- GoHighLevel Certified Expert Troubleshooting & Automation Specialist 100% ready to TAKE ACTION on all YOUR Go High Level needs | Let’s Connect Now! I love working on challenging GoHighLevel Projects, micro & macros, and looking forward to a video/phone call to assess your needs whenever you need me, seven days a week, 4 hrs a day! Helping businesses scale to their highest level. The true power of GoHighLevel is your business growth. Helping businesses achieve success like you deserve their max potential by leveraging GoHighLevel marketing & automation. QA & Testing Expertise Includes: - Manual Testing (Functional, Regression, Smoke, Sanity, UAT) - Automation Testing using Selenium, Cypress, and Playwright - API Testing (Postman, Swagger, REST Assured) - Performance & Load Testing with JMeter - Test Case Design, Test Execution & Defect Reporting - End-to-End QA Process Setup and CI/CD Integration - Cross-Browser & Cross-Platform Testing for Web and Mobile Apps If you have a troubleshooting need or are interested in automating your operation for further growth, then I look forward to hearing more from you. You’ll appreciate my work ethic, professionalism, and ability to navigate complex tasks with excellent project follow-through. Whether you’re a startup building your next SaaS, an enterprise modernizing legacy systems, or a company scaling your platform, I’m here to deliver a back-end solution that’s secure, fast, and built for the future. Certified GoHighLevel Consultant working remotely, helping brands launch, re-launch & scale online, leveraging the Go HighLevel Software CRM system/tools. Go High Level is constantly updating its software, and my part-time hobby is remaining on the leading edge and testing new features while sharing them out to clients immediately for more effective results. I’m happy to work on any challenging GoHighLevel Projects, micro or macros, and looking forward to a video/phone call to assess your needs whenever you need me, seven days a week, 4 hrs a day! What I Offer: - Platform Setup & Configuration - Marketing Automation - Sales Pipeline Creation - CRM Implementation - SMS & Email Campaigns - Booking & Appointment System If you’re interested in our profile and experience, please feel free to reach out if you’d like to discuss anything further. Available to get hired on a Part-time, Full Time and Dedicated Basis Let’s talk about your goals and explore how I can help you bring your .NET project to life. Message me anytime to get started.
THE ONE TECHNOLOGIES
Associated with
THE ONE TECHNOLOGIES
Anna K.
$40/hr
100% Job Success
$40K+ earned
Offers consultations
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Bubble Full Stack developer with 6+ years and 30+ production apps. I build AI-powered SaaS platforms, scalable MVPs, and automation systems that launch fast and grow without rewrites. Most founders waste months on developers who build features instead of products. I take a different approach — I think like a product owner and build like a senior engineer. Every Bubble app I deliver is production-ready from day one: clean database architecture, scalable workflows, and real integrations that work under real user load. What I build 🚀 Bubble MVPs for investor validation and market launch 📦 SaaS platforms, marketplaces, internal tools, CRMs, admin dashboards, and business systems in Bubble io 📦 Marketplaces and transactional Bubble io applications 🤖 Automation systems — n8n, Make, API workflows 🔗 Complex API integrations — Stripe, Twilio, custom REST APIs 📱 Responsive Bubble apps + Webflow landing pages 🎨 Full-stack: frontend UI, backend logic, database, performance 🔗 AI-driven Bubble io applications and chatbots ⚙️ My Expertise My core specialization is end-to-end Bubble io application development — from idea validation and Bubble io MVP launch to scaling and long-term product evolution. My background in JavaScript, HTML/CSS, and software engineering means I extend Bubble beyond its default limits — custom code, API connectors, performance tuning — without switching stacks. I also build automation-first workflows using n8n, Make, and Zapier. If your product needs AI agents, webhook pipelines, or LLM-powered features, I can design and build the entire system end-to-end. As an experienced Bubble io developer, I work with founders who need a reliable Bubble io application that ships fast, performs well, and can grow beyond the MVP stage. I combine Bubble io development with full-stack engineering to ensure every Bubble io MVP is not just fast to launch, but technically sound and extensible. Full-Stack Bubble io Development Focus I deliver complete Bubble io applications covering frontend, backend logic, database design, integrations, and performance optimization. Every project is approached as a real product, not just a prototype, even when building a Bubble io MVP Why clients work with me ✔️ 6+ years of Bubble experience — 30+ apps shipped ✔️ Full-stack coverage: UI, logic, database, integrations ✔️ AI-enhanced workflow: GPT, Claude, Gemini inside your product ✔️ Automation systems: n8n, Make, Zapier built alongside your app ✔️ International startup experience across US, UK, and Europe ✔️ Clear communication, predictable delivery, no surprises 🚀 Key areas of Bubble io development I handle daily: • Advanced Bubble io workflows, backend logic, and database architecture • Scalable Bubble io application structure for SaaS and marketplaces • High-performance Bubble io MVP builds optimized for real users • Custom API, REST API, and third-party API integration inside Bubble io applications • AI-powered Bubble io apps using OpenAI, ChatGPT, Gemini AI, Stable Diffusion • Payments and subscriptions in Bubble io applications • Front-end customization for Bubble io projects using HTML, CSS, JavaScript • Webflow + Bubble io setups for clean UI and conversion-focused landing pages Why Work With a Full-Stack Bubble io Developer • Fast launch of a production-ready Bubble io MVP • Clean, scalable architecture for long-term Bubble io application growth • Performance-focused and responsive Bubble io UI • Reliable third-party integrations using Bubble io API • Clear communication and predictable delivery from an experienced Bubble io developer I don’t treat Bubble io as a limitation. As a full-stack Bubble io developer, I extend Bubble io applications with custom code where needed, ensuring your Bubble io MVP can evolve into a serious product without rewrites. Ready to build? Send me your project idea — I'll respond with a clear plan within a few hours. 👉 Click Invite to Job or send a direct message to get started. 👀 Please use these Keywords to find me: Bubble developer · Bubble Expert · No-Code Developer · Web development · MVP · UI/UX · User Flow · Landing page · OpenAI · ChatGPT · E-commerce · API integration · Webflow · CRM · Make · SaaS Platforms · Stripe · AI APIs · WEB Apps · JavaScript · JSON · ChatGPT · AI integrations · Xano · AI Chatbot · Gemini · AI Agent · ERP Platforms · Webflow Expert · Webflow developer · Cursor AI · Lovable · User Story · LowCode Web development · No code developer · Low code developer · AI SaaS development · MVP development · SaaS platform · Webflow developer · n8n automation · Make automation · Zapier · OpenAI integration · Claude API · Stripe · API integration · Xano · Supabase · workflow automation · AI agent · internal tools · marketplace · CRM · landing page
Evgeny P.
$60/hr
100% Job Success
$1M+ earned
Offers consultations
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Hi 👋 I’m Evgeny and I have 12+ years experience in software development and created 250+ web projects! I provide a full-stack and custom software development services including creation of SaaS solutions, AI integrations, custom website development, ERP / CRM automations and building MVP. You are very welcome to message me and get a quick consultation about software development, scoping your project and quote. Just send me a short brief and let's talk! I am also in charge of Zimalab web development team. We develop high-quality custom web apps, AI solutions, eCommerce platforms, MVPs, SaaS products, ERP/CRM systems, API integrations and business automations. We develop with PHP | PHP Symfony framework | PHP Laravel framework and Python FastApi and Python Django on backend and develop with React | React.js | Next.js | HTML | CSS and Javascript on frontend. We also use AWS | Digital Ocean | git | Github | Docker and many other tools. Key services Custom Web apps | SaaS | MVP development Websites | API integrations | API development Full-stack Web Developer | Backend Developer | Frontend Developer ERP | CRM | Automation | Dashboard Tech stack Backend - PHP | PHP Laravel framework | PHP Symfony framework | LAMP | Python | FastAPI | Django Frontend - React | React.js | Next.js | Material UI |Tailwind | Vue.js |Nuxt.js | TypeScript Responsive HTML | CSS | JavaScript | jQuery | Bootstrap Devops - AWS EC2 | AWS S3 | AWS Cloudfront | AWS Lambda | git | Github | Cloudflare | CDN Database - MySQL | MongoDB | PostgreSQL | Supabase Some of my projects: Custom Software Development of ERP | CRM solution for chain of car bodyshops with a custom dashboard on PHP | Symfony | HTML | CSS | Javascript Full-stack Web Development of SaaS solution for SMS marketing and API integrations with Shopify API and Twilio API on PHP | Symfony | HTML | CSS | Javascript and development of MVP which launched within 3 months Custom Software Development of ERP | CRM solution for chain of shoe repair stores with a dashboards, orders & store management, production reports on PHP | Symfony | HTML | CSS | Javascript Custom Software Development of Hotel Booking solution and API integrations with Cubilis | RezExchange | Smarthotels on PHP | Symfony | HTML | CSS | Javascript Full-stack Web Development of SaaS dashboard for Security Company on PHP | Symfony | Vue.js | HTML | CSS Backend and Frontend development of Video Directory Website for Media Company on PHP | Symfony | HTML | CSS | AWS S3 | ElasticSearch Custom CMS Development of Course Booking platform for chain of Linguaschools on PHP | Symfony | HTML | CSS | Javascript Backend and Frontend development of VC funds directory on PHP | Laravel | HTML | CSS | Javascript Why develop custom websites or SaaS solution with me: ✅ MVP in 2-4 months ✅ QA & project management is free of charge ✅ Professional full stack developers (4-7 years experience) ✅ Proven work history with 100% Job Success ⚡ ⚡ Boosting website development speed in 2x! For the large projects we develop user side, admin and API integrations in parallel by allocating frontend and backend developers. You will get more results with shorter timeline. Also we use existing UI theme or components for rapid MVP development of user interface. 📈 🎸 Expertise across industries Our website and web apps are already used in Education, Real Estate, HoReCa, Fintech, Art, Retail, Music, Marketing, Security, Distribution, Auto and many other business areas. 👍 👍 Recommended I have a proven work history and 100% job success rate. You may contact the references from USA, UK, Germany, Belgium, Denmark, Netherlands, Switzerland and Australia. Some of the clients already have been working with me for more than 10 years! Just send me a direct message to get a free consultation! Updated 7 Feb 2026
Evgeny P. has worked .
Zimalab ❄️ Web Apps, AI & Automations
Associated with
Zimalab ❄️ Web Apps, AI & Automations
$2M+
earned
Andrei T.
$45/hr
100% Job Success
$100K+ earned
Offers consultations
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I am a Node.js developer with over 15 years of Full-Stack development experience. I've built 220+ web projects. I have 10+ years in Node.js development. Besides, I specialize in SaaS, Dashboards, Healthcare, Marketplaces, MarTech, FinTech, Real Estate, mobile apps, and enterprise software. 🏆 112k+ billed Full-Stack Development 💎 $4m+ earned in Full Stack Development 🥇 Senior full stack developer in React.js Node.js AWS Next.js Nest.js JavaScript Developer 📢 Our client, Eventbrite company, boasting $580M in revenue, said about working with us: "𝗧𝗵𝗲 𝗖𝗹𝗼𝗰𝗸𝘄𝗶𝘀𝗲 𝘁𝗲𝗮𝗺 𝘄𝗮𝘀 𝗲𝘅𝗰𝗲𝗹𝗹𝗲𝗻𝘁. 𝗪𝗲 𝗮𝗿𝗲 𝘁𝗵𝗿𝗶𝗹𝗹𝗲𝗱 𝘄𝗶𝘁𝗵 𝘁𝗵𝗲 𝗳𝗶𝗻𝗮𝗹 𝗽𝗿𝗼𝗱𝘂𝗰𝘁". As a skilled Node.js Developer, I’m proficient in AWS, Serverless, and Microservices, leveraging NestJS and ReactJS to craft scalable systems, and I specialize in building reliable solutions as a Node.js Developer using Vue.js Node.js, NestJS, and React.js. With Nest.js, I build strong server-side apps that have a smart structure and fast API routing. As a Node.js developer, I rely on TypeScript and Nest.js’s detailed docs to write code that’s easy to read and maintain. I also plug in extra Nest.js modules to simplify linking up with databases and outside services, making development quicker and more organized. I'm a skilled Node.js backend JavaScript developer with a focus on Node.js, crafting scalable and efficient server-side solutions. I harness MongoDB alongside Node.js to deliver versatile NoSQL database systems and possess deep knowledge of SQL for overseeing relational databases, ensuring data remains consistent and reliable. ➤ 𝗖𝗹𝗼𝗰𝗸𝘄𝗶𝘀𝗲 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗧𝗲𝗮𝗺 𝗛𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁𝘀 💯 100% Top Rated Plus - 🎯 Top 3% of companies 📢 50% of our clients work with us for over 3 years 💎 84% of our clients strongly recommend our Node.js expertise 🥇 Awarded 'Best Upwork Agency in Dnipro' by Upwork 4 years running 🏆 Named 'Top Ukraine Development Company' by Clutch 3 years in a row 📱💻 310+ successfully completed projects over 10 years with a 4.9🏆 3rd-party rating 👉 𝗪𝗵𝘆 𝗬𝗼𝘂 𝗦𝗵𝗼𝘂𝗹𝗱 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲 𝗔𝘀 𝗬𝗼𝘂𝗿 𝗡𝗼𝗱𝗲.𝗷𝘀 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 ☑️ Latest Technologies: As a Node.js Developer, I harness Node.js, NodeJS, React, Vue.js, MongoDB, and Angular to build modern, scalable web applications. My expertise in NodeJS ensures your business stays competitive. ☑️ End-to-End Product Development: With comprehensive skills in Node.js for back-end and front-end technologies, I deliver fully integrated solutions as a Node.js Developer. Using NodeJS, I ensure cohesive user experiences and robust performance for faster project delivery. ☑️ Expertise Across Multiple Industries: As a Node.js Developer, I’ve completed projects in MarTech, Real Estate, Logistics, Healthcare, Travel and Hospitality, and FinTech using Node.js. My adaptability with NodeJS tailors strategies to your market. 𝗡𝗼𝘁𝗮𝗯𝗹𝗲 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀 ✔ Customized AI chatbot SaaS built with Node.js and OpenAI ✔ Multi-tenant fleet management software powered by NodeJS React Developer ✔ Logistic using Node.js ✔ Fintech solutions with a strong UX focus, developed as a Node.js JavaScript Developer 𝗪𝗵𝗮𝘁 𝗜 𝗖𝗮𝗻 𝗗𝗼 𝗙𝗼𝗿 𝗬𝗼𝘂 𝗔𝘀 𝗮 𝗡𝗼𝗱𝗲.𝗷𝘀 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 ✔ Develop web apps and websites from scratch using Node.js ✔ Handle client-side and server-side development with NodeJS Backend Developer ✔ AI Chatbot Development | AI Chatbot Developer ✔ Design application architecture tailored to your needs using Node.js ✔ Integrate third-party services (payment systems, Google services, social networks) with NodeJS Full Stack Developer ✔ Optimize high-load apps for speed, scalability, reliability, and security as a Node.js Developer ✔ Write comprehensive unit tests with Node.js for optimal user experiences As a passionate full stack developer Node.js Developer, I embrace new challenges and technologies. If your project requires unfamiliar tools, I’ll master them with Node.JS to deliver results. Have an idea needing skilled implementation? 𝗟𝗲𝘁’𝘀 𝗱𝗶𝘀𝗰𝘂𝘀𝘀 𝗵𝗼𝘄 𝗺𝘆 𝗡𝗼𝗱𝗲.𝗷𝘀 𝗲𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗰𝗮𝗻 𝗯𝗿𝗶𝗻𝗴 𝘆𝗼𝘂𝗿 𝘃𝗶𝘀𝗶𝗼𝗻 𝘁𝗼 𝗹𝗶𝗳𝗲! 👌
Clockwise Software - SaaS  Experts
Associated with
Clockwise Software - SaaS Experts
Awais T.
$40/hr
100% Job Success
$200K+ earned
Available now
Offers consultations
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Looking for a 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 who can ship production-grade SaaS and AI integrations on time? You're in the right spot. 🏆 𝟭𝟬+ years as a Full Stack Developer (ex-Microsoft Bing, Princeton CS) 📊 $𝟮𝟬𝟬𝗞+ earned on Upwork across 𝟮𝟴 Full Stack Developer projects 🎯 Top Rated Plus with 𝟭𝟬𝟬% Job Success Score ⚡ 𝟲𝟬+ production SaaS and AI integration builds as lead Full Stack Developer ✅ Full Stack Developer for React, TypeScript, Node.js, Python, FastAPI 💼 Ubiquify Digital LLC (Austin, TX) | Full Stack Developer with Princeton CS ⭐⭐⭐⭐⭐ 𝑨𝒘𝒂𝒊𝒔 𝒂𝒏𝒅 𝒕𝒉𝒆 𝒕𝒆𝒂𝒎 𝒅𝒆𝒍𝒊𝒗𝒆𝒓𝒆𝒅 𝒂 𝒄𝒐𝒎𝒑𝒍𝒆𝒙 𝑭𝒖𝒍𝒍 𝑺𝒕𝒂𝒄𝒌 𝑫𝒆𝒗𝒆𝒍𝒐𝒑𝒆𝒓 𝒃𝒖𝒊𝒍𝒅 𝒖𝒏𝒅𝒆𝒓 𝒂 𝒕𝒊𝒈𝒉𝒕 𝒕𝒊𝒎𝒆𝒍𝒊𝒏𝒆 𝒘𝒊𝒕𝒉 𝒄𝒍𝒆𝒂𝒏 𝒄𝒐𝒅𝒆, 𝒔𝒕𝒓𝒐𝒏𝒈 𝒂𝒓𝒄𝒉𝒊𝒕𝒆𝒄𝒕𝒖𝒓𝒆, 𝒂𝒏𝒅 𝒓𝒆𝒔𝒑𝒐𝒏𝒔𝒊𝒗𝒆 𝒄𝒐𝒎𝒎𝒖𝒏𝒊𝒄𝒂𝒕𝒊𝒐𝒏 𝒕𝒉𝒓𝒐𝒖𝒈𝒉𝒐𝒖𝒕. 𝑾𝒐𝒖𝒍𝒅 𝒉𝒊𝒓𝒆 𝒂𝒈𝒂𝒊𝒏 𝒘𝒊𝒕𝒉𝒐𝒖𝒕 𝒉𝒆𝒔𝒊𝒕𝒂𝒕𝒊𝒐𝒏 𝒇𝒐𝒓 𝒂𝒏𝒚 𝑭𝒖𝒍𝒍 𝑺𝒕𝒂𝒄𝒌 𝒑𝒓𝒐𝒋𝒆𝒄𝒕. (Marcus T., Upwork, 2025) As a Senior Full Stack Developer with a Princeton Computer Science background and 4 years as a Microsoft Bing engineer, I build production SaaS platforms and AI integrations for founders who need senior-level Full Stack Developer execution. My team and I work at the intersection of Full Stack Development and AI: React and TypeScript frontends, Python and Node.js backends, and AI layers built to hold up under real load. Full Stack Developer-first, agency-grade. 🔶 𝗖𝗥𝗘 𝗗𝘂𝗲 𝗗𝗶𝗹𝗶𝗴𝗲𝗻𝗰𝗲 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 (𝟯𝟮𝟱 𝗵𝗿𝘀): Lead Full Stack Developer on a commercial real-estate data platform for a US fund. B2B SaaS, complex data model, React, TypeScript, Python. 🔶 𝗥𝗲𝗮𝗰𝘁 𝗧𝘆𝗽𝗲𝗦𝗰𝗿𝗶𝗽𝘁 𝗦𝗮𝗮𝗦 ($𝟲𝟮𝗞, 𝟮,𝟬𝟳𝟴 𝗵𝗿𝘀): Full Stack Developer from zero to shipping for a production SaaS build. Full-stack React, TypeScript, Node.js. 🔶 𝗗𝗿𝘆𝗷𝗲𝗰𝘁 𝗥𝗲𝗽𝗼𝗿𝘁𝗶𝗻𝗴 𝗧𝗼𝗼𝗹 (𝟰𝟴𝟭 𝗵𝗿𝘀): Full Stack Developer build of an internal ops dashboard with reporting, data pipelines, and automation. 🔶 𝗠𝘂𝗹𝘁𝗶-𝗣𝗿𝗼𝗳𝗶𝗹𝗲 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗦𝗮𝗮𝗦 𝗕𝘂𝗶𝗹𝗱𝘀: Full Stack Developer on multiple AI integration, workflow automation, and SaaS MVPs. 🚀 𝗦𝗮𝗮𝗦 & 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 ✔️ Full Stack Developer for AI integration, agentic workflows, and LLM features ✔️ OpenAI API, Claude API, RAG systems with prompt reliability and context management ✔️ Full Stack Developer on FastAPI, Node.js, Django, Next.js, and PostgreSQL 🔄 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 ✔️ Full Stack Developer for n8n, Zapier, and Make . com at scale ✔️ Full Stack Developer integrations: CRMs, databases, payments, email, AI services ✔️ Idempotent workflows, retry logic, and data consistency across systems ⚡ 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿: 𝗣𝗿𝗼𝗱𝘂𝗰𝘁 𝗕𝘂𝗶𝗹𝗱𝘀 𝗳𝗿𝗼𝗺 𝗭𝗲𝗿𝗼 𝘁𝗼 𝗣𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 ✔️ Full Stack Developer on React, TypeScript, Vue.js, Python, MVP to production ✔️ Multi-tenant architecture, auth, permissions, API design ✔️ DevOps and deployment on AWS, Vercel, Railway, and GCP 🎯 𝗪𝗵𝗼 𝗜 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗮𝘀 𝗮 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿: 🔹 Founders building Full Stack SaaS products from scratch 🔹 Agencies needing Full Stack Developer capacity on complex builds 🔹 Series A to C startups scaling production systems 🔹 Operators replacing broken workflows with a senior Full Stack Developer 𝗡𝗼𝘁 𝗮 𝗳𝗶𝘁 𝗶𝗳: you need a solo Full Stack Developer for a simple landing page, WordPress theme work, or crypto/trading systems. 💡 𝗛𝗼𝘄 𝘄𝗲 𝘄𝗼𝗿𝗸: ✔️ Day 1-3: Discovery call, architecture doc, and scoped milestones from your Full Stack Developer team ✔️ Week 1: First working increment deployed to staging ✔️ Ongoing: Weekly demos, async updates, documented handoffs from the Full Stack Developer lead ✔️ What you get: Production Full Stack Developer output, full source, handoff docs, direct team access 📞 𝗥𝗲𝗮𝗱𝘆 𝘁𝗼 𝗺𝗼𝘃𝗲? Send the job details and we will reply with a scoped plan within 24 hours. Need a Full Stack Developer who ships? Let's talk.
Andrey K.
$30/hr
100% Job Success
$100K+ earned
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👋 Hi there! My name is Andrey, I am a software engineer and manage a team of developers. Together we have 10000+ hours of experience in developing complex web and mobile applications on Bubble, FlutterFlow, Xano, OpenAI, NodeJS. All of our developers are Bubble certified. We have developed a ready-made platform on Bubble for creating SaaS solutions like ERP, CRM, and AI Assistant. Based on this platform, we can develop SaaS products quickly and efficiently. Always in touch and ready to discuss your project. 𝐊𝐢𝐧𝐝 𝐫𝐞𝐠𝐚𝐫𝐝𝐬, 𝐀𝐧𝐝𝐫𝐞𝐲
Brainfab
Associated with
Brainfab
$100K+
earned
Ameer H.
$25/hr
100% Job Success
Available now
Offers consultations
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𝐀𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐀𝐈 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 | 𝐀𝐈 𝐀𝐠𝐞𝐧𝐭𝐬 | 𝐀𝐈 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 | 𝐀𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 ✅ Founder of Novatore Solutions – Top Rated Software Development Agency ✅ 10+ Years Building Software Products & Enterprise Solutions ✅ AI-First Development for Startups, SaaS Companies & Enterprises ✅ End-to-End AI Development, Automation & Product Engineering ✅ Free Technical Consultation & AI Product Roadmap Artificial Intelligence is changing how businesses build products, serve customers, and automate operations but successful AI implementation requires more than connecting an LLM API. As an AI Developer and AI Engineer, I help founders, startups, and enterprises design, build, and deploy production-ready AI solutions that solve real business problems. From AI Agents and AI Chatbots to enterprise workflow automation and AI-powered SaaS platforms, I build intelligent systems that improve efficiency, reduce manual work, and create measurable business value. Whether you're validating a new AI product, integrating Generative AI into an existing application, or building an AI-native SaaS platform, I focus on scalable architecture, clean engineering, and long-term product success. 𝐀𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 I provide end-to-end AI Development services including: ✔ AI Development ✔ AI Integration ✔ AI Agent Development ✔ Multi-Agent Systems ✔ AI Chatbot Development ✔ Generative AI Applications ✔ AI SaaS Development ✔ AI Automation ✔ Enterprise AI Solutions ✔ AI MVP Development ✔ AI Consulting ✔ Custom AI Software Development 𝐀𝐈 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 𝐈 𝐁𝐮𝐢𝐥𝐝 • AI Agents for business operations • AI Customer Support Chatbots • AI Sales & Lead Qualification Assistants • Internal AI Copilots • Knowledge Base & RAG Applications • AI Document Processing & OCR • AI Workflow Automation • AI Dashboards & Analytics • AI Email & CRM Automation • AI-Powered SaaS Platforms • AI Voice Assistants • AI Recommendation Engines • Enterprise AI Integrations • AI Data Extraction & Classification 𝐀𝐈 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲 𝐒𝐭𝐚𝐜𝐤 𝐋𝐚𝐫𝐠𝐞 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞 𝐌𝐨𝐝𝐞𝐥𝐬 OpenAI Claude Gemini Llama Mistral 𝐀𝐈 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬 LangChain LangGraph LlamaIndex CrewAI AutoGen 𝐀𝐈 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞 Retrieval-Augmented Generation (RAG) Prompt Engineering Function Calling Model Context Protocol (MCP) Semantic Search Vector Search AI Orchestration 𝐕𝐞𝐜𝐭𝐨𝐫 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬 Pinecone Qdrant Weaviate ChromaDB pgvector 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 n8n Make Zapier Business Process Automation Custom Workflow Automation 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐀𝐈 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 Modern AI products require more than AI models. I build complete AI-powered applications using modern full-stack technologies: 𝐏𝐲𝐭𝐡𝐨𝐧 : • FastAPI • Node.js • NestJS • React • Next.js • TypeScript • PostgreSQL • MongoDB • 𝐑𝐞𝐝𝐢𝐬 : • Docker • AWS • Azure • Google Cloud • REST APIs • GraphQL From backend architecture to frontend experiences and cloud deployment, I deliver complete production-ready AI systems. 𝐀𝐈 𝐔𝐬𝐞 𝐂𝐚𝐬𝐞𝐬 I help businesses build AI solutions for: • Customer Support Automation • Internal Knowledge Management • Business Process Automation • Sales & Lead Qualification • Document Intelligence • CRM Automation • HR & Recruitment • Finance & Accounting • Healthcare Workflows • Real Estate Platforms • Legal Document Analysis • Logistics & Operations • E-commerce Personalization • Enterprise Productivity 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 Healthcare • FinTech • Real Estate • LegalTech • Logistics • E-commerce • Education • Manufacturing • Construction • HRTech • Travel • Enterprise SaaS 𝐌𝐲 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐏𝐫𝐨𝐜𝐞𝐬𝐬 Every project follows a structured product development approach: 𝐃𝐢𝐬𝐜𝐨𝐯𝐞𝐫𝐲 — Understand business goals, users, workflows, and AI opportunities. 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 — Design scalable AI architecture, integrations, and technical roadmap. 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 — Build production-ready AI applications using modern engineering practices. 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭 — Secure cloud deployment, monitoring, testing, and optimization. 𝐆𝐫𝐨𝐰𝐭𝐡 — Continuous improvements, feature expansion, and long-term technical support. 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞 ✔ AI-first engineering approach ✔ Product-focused development ✔ Production-ready architecture ✔ Enterprise-grade security & scalability ✔ Transparent communication ✔ Long-term technical partnership ✔ Modern AI technologies ✔ End-to-end product delivery I don't build AI demos. I build AI products that automate operations, improve customer experiences, and generate measurable business outcomes. 𝐋𝐞𝐭'𝐬 𝐁𝐮𝐢𝐥𝐝 𝐘𝐨𝐮𝐫 𝐀𝐈 𝐏𝐫𝐨𝐝𝐮𝐜𝐭 Looking for an AI Developer or AI Engineer to build your next AI-powered product? Let's discuss your project and turn your idea into a scalable, production-ready solution.
Pavel K.
$33/hr
100% Job Success
$200K+ earned
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I'm a solo Dev. I have more than 9 years of experience in Mobile development and web development. I have been working with the cross-platform framework React Native for 6 years and am still working. This is my main stack right now. I use TypeScript and JavaScript to make React Native apps. I tried the Flutter framework back in 2020, and I like it. I now use Flutter to develop cross-platform applications, and I like it more and more. I feel that I will soon switch completely to Flutter only! Flutter is less of a headache :) Back in 2012, I started my career as a front-end web developer with JavaScript. Since 2015, I started developing for Android applications, and after a year of work, I bought myself the first MacBook to make native applications for iOS. Do you remember Objective-C? I do)) I'm interested in long-term customer relationships, so I am ready to participate in your project from idea to production and provide high-level support after delivering the main work. - I have been using FlutterFlow as well since 2023, and I like it. So I can help you with FlutterFlow if you need it - I like web3 and already have experiance with cryptocurrency token launch and blockchain development Below is my humble list of tools I have experience with or enjoy working with: - React Native - TypeScript - Flutter - Dart - Swift - Kotlin - FlutterFlow - I can make a Native Swift/Kotlin component for React Native or Flutter - GitHub Actions I have used for CI/CD This is an easy way to automate tests and app delivery - Fastlane for CI/CD is the easiest way to automate tests and app delivery - Node.js - React.js - Redux - GraphQL - FastLane/circleci - RevenueCat - Firebase Cloud Firestore - Firebase Realtime Database - Firebase Remote Config - Firebase Cloud Functions - Firebase Authentication - FirebaseCloud Messaging - Firebase Hosting - Firebase Cloud Storage - Firebase Machine Learning - Firebase Dynamic Links I usually write autotests for code. I use these tools: - Jest - Mocha - Jasmine +++++Web3 development:++++++ - blockchain development - Crypto Wallet integrations - MetaMask integration - Alphawallet integration - Experience with coding competitions, e.g. ACM ICPC or Topcoder - cryptocurrency token launch - Casino Game development (including spinner, coinflip, lottery, splash, etc.) - I have already had experience in ChatGPT integration and other AI integrations. Other: - branch.io - ChatGpt integration - OpenAI - Sentry - Tokenscript - Heroku - AWS - DigitalOcean - DApps - retool - internal software development - DeFi projects - LayerZero Im not a Full-stack dev, but I have some experience with Python, Node.js and the Django framework!!!