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Title: Senior Full-Stack Developer - AI Business Automation | $2K/month | START THIS WEEK Category: Web Development → Full Stack Development Experience Level: Expert Project Length: More than 6 months Time Requirement: Full-time (40 hrs/week) About Us Growing operations automation business building AI-powered platforms for mid-market companies. We automate manual processes with custom web applications. You'll work directly with founders building customer solutions from scratch. CRITICAL: What This Role Really Is You will be the technical expert. We are NOT technical on Software Development. We understand business problems and customer needs. You translate that into working software. You make ALL technical decisions - stack, architecture, deployment, tools, everything. This means: • ✅ You choose how to build (we trust your expertise) • ✅ You own deployment and infrastructure setup A-Z • ✅ You guide us if additional specialists needed • ✅ You work independently - minimal hand-holding • ✅ You explain technical decisions in simple terms • ❌ We will NOT tell you exactly how to code • ❌ We will NOT understand everything you do (at first) • ❌ We will NOT provide detailed technical specs Not a fit if you: • Need detailed requirements documents • Require senior developer oversight • Can't make technical decisions independently • Need someone to review your code • Expect us to know what "Docker" or "API endpoint" means Perfect fit if you: • Comfortable translating "I need customers to upload invoices and see results" into working software • Can build, deploy, and maintain entire applications solo • Make smart technical choices and explain why • Self-sufficient and resourceful What You'll Build Customer-facing web applications with AI integration: • Document processing portals (upload → AI extraction → results) • Custom dashboards with real-time data • Workflow automation and API integrations • User authentication and access control You own: Architecture, tech stack, deployment, infrastructure, everything technical We own: Customer relationships, business requirements, design direction Tech Stack Use what you know best: • Frontend: React, Vue, Angular - your choice • Backend: Node.js, Python, Ruby - your choice • Database: PostgreSQL, MySQL - your choice • Hosting: AWS, Azure, Railway, Render - you decide and set up Requirements: • Must integrate with AI APIs (Claude, GPT, Ollama, or similar) • Must handle file uploads and processing • Must deploy securely with proper authentication • Must be maintainable long-term If you use different stack than listed above - that's fine. Results matter, not specific tools. Requirements Must Have: • 5+ years building production web applications independently • Built complete apps from scratch (frontend + backend + database + deployment) • Set up hosting and deployment pipelines yourself • Integrated third-party APIs (REST, webhooks) • Fluent English - daily video calls explaining technical decisions • Portfolio showing real applications you built solo • Available to start THIS WEEK Bonus: • AI API experience (document processing, LLMs) • Experience translating vague requirements into working software • Comfortable working without technical management • Built customer-facing SaaS products Automatic Rejection: • Poor English communication • Need technical supervision or code review • No solo project experience • Can't start within 7 days • No portfolio Compensation Salary: $2,000 USD/month ($24K/year) Hours: 40/week, flexible schedule Overlap: Available for calls during US Central business hours (9am-5pm) Payment: Bi-weekly Start: This week (need immediate start) How to Apply Include in your proposal: 1. Portfolio (REQUIRED - no portfolio = instant rejection) ○ Links to 2-3 web apps you built SOLO ○ Live URLs or detailed screenshots ○ Explain: What stack? What problem did it solve? Did you deploy it? 2. Technical Independence ○ Describe a project where YOU made all technical decisions ○ What challenges did you face building/deploying alone? ○ How do you handle vague requirements? 3. Availability ○ Confirm: Can you start THIS WEEK (within 7 days)? ○ Confirm: Fluent English for daily technical discussions? Our Process (FAST - We Hire This Week) Monday-Tuesday: Review applications Wednesday: Video interviews (30 min) - show your work, discuss approach Thursday-Friday: Paid test project (2-3 days, compensation TBD based on scope) This Weekend: Decision + immediate start Monday We're hiring ONE person THIS WEEK. First qualified candidate who can start wins. Test Project Preview (PAID) Build simple CRUD app with API to prove capability: • User auth (login/signup) • Upload files • Display data in dashboard • Deploy live You choose the stack. Show us you can build and ship independently. What We Value • ✅ Ships working code fast • ✅ Makes good technical decisions without guidance • ✅ Explains complex tech in simple terms • ✅ Comfortable with uncertainty and iteration • ✅ Solves problems independently Ready to own technical execution? Apply now. Need hand-holding? This isn't the role.
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Hello, I am a full stack developer with eight years of experience building and deploying production web applications independently, including saas platforms with ai integrations, file processing, dashboards, and custom workflows. I have worked in setups where founders define business problems and I translate them into complete, maintainable systems, owning architecture, stack decisions, deployment, and long term stability. My approach is to start from the core business flow and design a simple, reliable architecture that can be shipped quickly and evolved safely. I make pragmatic stack choices based on speed, maintainability, and cost, handle deployment end to end, and keep communication focused on explaining technical decisions in clear, non technical terms while moving forward without blockers. This role is a strong fit for how I already work, with full ownership of the technical side and minimal hand holding. I am comfortable operating with vague requirements, making decisions independently, and delivering working software that solves real problems. I can start this week and I am fluent in english for daily technical discussions. I am happy to share portfolio links to applications I built solo, including stack details, deployment, and the problems they solved. Thanks for considering my proposal — Lautaro
$200 USD 2 päivässä
2,9
2,9
162 freelancerit tarjoavat keskimäärin $55 USD/tunti tätä projektia

Hello, I’ve read your project and I’m confident I can own the technical execution end-to-end. I’ve built production web apps solo for 5+ years, from frontend to backend, databases, and deployment pipelines, and I’ve integrated AI APIs for document processing and real-time dashboards. I will start by defining a clean, scalable architecture that fits your AI-driven workflow: secure auth, file uploads, AI extraction, dashboards, and API integrations. I’ll select a lean stack I know well (React + Node.js or Python, PostgreSQL, and a solid cloud/deploy approach) and set up hosting, CI/CD, monitoring, and security from day one. I’ll also establish a reusable component library and deployment templates so you can scale quickly while keeping costs predictable. The plan includes iterative delivery with a clear decision log, so you always see why a choice was made, and how it maps to business outcomes. I’ll align with you on milestones and deliverables, then move fast to ship a tested, production-ready solution. What is your preferred AI API(s) to start with, and what are your security/compliance expectations for handling sensitive documents? Best regards,
$25 USD 36 päivässä
9,3
9,3

Hi! I’m a Senior Full-Stack Developer and can build and ship your AI business automation platforms independently. Portfolio (Solo Build) SmartEngage: Membership + Automation Platform. Built end-to-end (auth, dashboard, workflows, deployment). Stack: React + Node.js + PostgreSQL + AWS. Other client projects are under NDA, but include internal AI-enabled ops automation tools for US-based clients. You can check the review on my profile. I’m comfortable owning all technical decisions: architecture, stack, deployment, and turning vague business needs into working software fast. Availability - Can start this week - Fluent English - Full-time (40 hrs/week) I can complete your paid CRUD test (auth + file upload + dashboard + live deploy) quickly. Best, Yuda
$15 USD 40 päivässä
7,9
7,9

Hello, Answers to your questions: ↪ Portfolio: https://www.freelancer.com/u/neerajdhameliya ↪ Availability: Ready to start this week ↪ Communication: Fluent English, comfortable providing daily updates I acknowledge your need for a senior full-stack developer to develop AI-powered automation platforms that convert business objectives into secure, production-ready web applications. I’m a strong fit as I routinely develop full-stack applications with AI features, dashboards, and automated workflows, fully owning architecture, deployment, and infrastructure setup. My approach: -> Select and set up the complete tech stack -> Build secure applications with authentication and workflows -> Integrate AI APIs and file processing pipelines -> Develop dashboards and real-time data views -> Deploy and manage infrastructure end-to-end -> Iterate efficiently from high-level requirements I ensure all systems are secure, scalable, and maintainable, with clean production code and clear documentation for long-term ownership. I’ve delivered similar projects where vague requirements, independent technical decisions, AI integrations, and full deployment ownership were essential for success. Are there any AI providers or APIs you prefer, or should we choose based on reliability and cost? Best Regards, Niral D
$15 USD 40 päivässä
8,1
8,1

Hello, I came across your project and found it truly interesting. With over eight years of hands-on experience in this field, I have successfully delivered high-quality solutions to clients worldwide. My dedication to excellence is reflected in the 180+ positive reviews from satisfied clients. I’d love to bring this expertise to your project and ensure outstanding results. However, I do have a few important points I’d like to clarify to align perfectly with your vision. Let’s connect via chat, where I can also share relevant examples of my past work. I'm looking forward to hearing back from you! Best Regards, Divu.
$12 USD 40 päivässä
7,4
7,4

Hello, As an experienced developer with a strong background in full-stack development, I can confidently say that I am the ideal candidate for your AI Business Automation project. I've spent more than five years building a wide range of production-ready web applications independently, and have the repertoire to match. From setting up hosting and deployment pipelines to integrating third-party APIs, I've got you covered. My portfolio showcases numerous real-life applications that I've built solo, complete with live URLs and detailed screenshots, demonstrating my skill in handling the entire spectrum of a project starting from frontend to backend, database management and deployment. Moreover, my proficiency extends beyond just front-end to backend architecture choosing and designing robust and scalable database structures. Technical independence has always been one of my core strengths which aligns perfectly with what's integral for this particular role. With a natural zeal for problem-solving, I'm highly comfortable in making independent technical decisions and providing top-notch deliverables sans code review or detailed requirements. Efficiency is paramount for me - delivering robust solutions deployed securely within compressed timelines is what defines my everyday work culture. Provided ample experience decoding vague specifications into working software, I associate myself deeply with your philosophy of prioritizing results ov Thanks!
$50 USD 413 päivässä
7,5
7,5

Hi there, I am excited about the opportunity to join your team as a Senior Full-Stack Developer for AI Business Automation. With over 5 years of extensive experience in building web applications independently, I am confident in my ability to translate your business needs into effective technical solutions. I have successfully developed customer-facing applications from scratch, integrating AI capabilities and third-party APIs, and I'm well-versed in managing the entire tech stack from architecture to deployment. Having worked on multiple projects that required translating vague requirements into functional software, I understand the challenges involved and know how to navigate them independently. I thrive in environments where I can make technical decisions autonomously and clearly explain those solutions in simple terms. Given your emphasis on finding someone who can start immediately, I am ready to begin this week. Could you provide more details on the immediate projects I'll be working on once I start? Best regards,
$30 USD 29 päivässä
6,5
6,5

Hi there! Your job catches my insight. I am a seasoned machine learning engineer and have hands-on experience in building AI driven full stack platforms, so I would deliver the quality work tailored to your requirements. I am ready for your interview session. Please contact me so that we can proceed to move forward. Best, Jijo
$13 USD 40 päivässä
6,6
6,6

At Web Crest, we're not just ordinary developers — we're innovative problem solvers with the technical expertise to turn strategic business needs into cutting-edge AI solutions. We've spent over a decade mastering full-stack development, including the languages and technologies essential to build your customer-facing web application. In fact, it's our ability to independently manage all aspects of a project, from deployment to infrastructure setup and API integration that puts us front and center as an ideal fit for your operations. Technical fluency is our specialty. Our fluent English-speaking team will ensure that you never have to worry about effective communication. We are seasoned at translating complex technical decisions into straightforward explanations which has made us an asset in working autonomously even in the most ambiguous scenarios. This attribute aligns perfectly with your need for someone who can think independently, make smart choices, and explain them effectively.
$10 USD 40 päivässä
6,3
6,3

Hi, I’ve built multiple web apps that process documents and extract data using AI, including a product that converts invoices into accounting entries. I’ve also integrated various AI APIs like OpenAI, Azure, and Google. As a full-stack developer with 15 years of experience, I’ve worked extensively with PHP and JavaScript, and I’ve been leading teams since 2017. I’m equally proficient with modern front-end frameworks like Vue.js and React, as well as back-end technologies such as Node.js and Laravel. I’m available to start immediately and can dedicate 10 hours per week at the same rate. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit. Best regards, Adil
$15 USD 40 päivässä
6,5
6,5

Hello, I have carefully analyzed your project requirements and this role fits exactly my background. I recently built a full AI-powered document processing platform from scratch, where users uploaded invoices, data was extracted using GPT APIs, and results were displayed in secure dashboards. I handled the entire stack, architecture decisions, deployment, and long-term maintenance independently. For your project, I will fully own the technical execution end-to-end. I will define the best stack based on scalability and speed, design clean architecture, implement secure authentication, file uploads, AI API integrations, dashboards, and deploy reliable infrastructure. I am very comfortable translating vague business needs into working software and explaining technical decisions in clear, simple language. I am available to start immediately and can begin this week. I am fully committed to delivering high-quality, maintainable solutions in the shortest possible timeframe, working independently and proactively to support your founders and customers. Thank you for your time. Best regards, Elenilson
$1 800 USD 7 päivässä
6,0
6,0

⭐Hi Client, I’m ready to assist you right away!⭐ I believe I’d be a great fit for your project since I have over 5 years of experience in building production web applications independently. I have successfully developed complete apps from scratch, integrated third-party APIs, set up hosting and deployment pipelines, and deployed applications solo. My technical expertise includes fluent English communication, daily video calls explaining technical decisions, and a portfolio showcasing real applications developed individually. I am available to start this week and ensure smooth execution of the project.
$20 USD 24 päivässä
5,4
5,4

Dear , I am a seasoned Full-Stack Developer with expertise in Java, JavaScript, Python, Node.js, and React.js, specializing in Web Development and API Integration. I have successfully delivered numerous projects similar to yours in the United States, ensuring efficient API Development and seamless AI Integration. Understanding your need for a reliable and independent developer, I am well-equipped to take charge of the technical aspects, from architecture to deployment, providing clear communication and swift problem-solving throughout the process. With a proven track record of building and deploying complex applications solo, I am confident in my ability to meet and exceed your expectations. I am eager to discuss how I can contribute to your project further. Please feel free to reach out to explore how we can collaborate effectively. Warm regards,
$12 USD 40 päivässä
5,7
5,7

Hi there, I'm an expert full-stack developer with over 5 years of experience in building production web applications independently. I am well-versed in translating business needs into working software and making smart technical decisions. I am comfortable working solo, handling deployment, infrastructure, and making technical choices. For your project, I will create customer-facing web applications with AI integration, document processing portals, custom dashboards, workflow automation, and user authentication. I will utilize my expertise in React, Node.js, PostgreSQL, and AWS to deliver a secure and maintainable solution. What's the next step?
$15 USD 26 päivässä
5,7
5,7

Hello, I’m excited about the opportunity to contribute to your project. With over five years of building and deploying full-stack web applications independently, I’m comfortable owning all technical decisions end to end—from architecture and stack selection to infrastructure, deployment, and long-term maintainability—while translating high-level business needs into working AI-powered systems. I’ll tailor the build around secure document processing, AI integrations, and scalable customer-facing dashboards, choosing the most practical stack and explaining every decision clearly during daily US-CST calls. You can expect fast shipping, clear communication, and a reliable production system delivered by someone who is fully self-sufficient, comfortable with ambiguity, and ready to start immediately this week. Best regards, Juan
$12 USD 40 päivässä
5,6
5,6

Hello , I have recently developed a project similar to yours, so I am very excited about this. I'm a software developer with over 8 yrs of experience in JavaScript, Python, Node.js, React.js, Full Stack Development. Lets connect in chat so that We discuss further. Regards, Toma K.
$12 USD 40 päivässä
5,4
5,4

Hi there! I'm excited about the opportunity to contribute to your growing AI business automation initiatives. I understand the importance of translating customer needs into effective software solutions and making key technical decisions independently. With over 5 years of experience in building full-stack applications, I've successfully led projects from conception to deployment. For instance, I developed a document processing portal that integrates AI APIs, which streamlined processing for users and showcased my ability to manage both frontend and backend seamlessly. ✅My Plan: - Assess project requirements and architecture. - Choose the optimal tech stack (React for frontend, Node.js for backend) based on your needs. - Develop and deploy custom web applications that automate manual processes. - Ensure secure integration with AI APIs and implement user authentication. I can start immediately as requested and am fluent in English for daily discussions. Best regards, Hongqiang Chen
$20 USD 24 päivässä
5,3
5,3

Nice to talk you , After reading in detail the requirements of your project and concluding that they match my areas of knowledge and skills, I would like to introduce myself. My name is Anthony Muñoz and I am the lead engineer for DS Pro IT agency. I have worked for over 10 years in Backend and software development and have successfully done multiple jobs. It will be a pleasure to work together to make your project a reality. Please feel free to contact me. I´m looking forward to working with you. I really appreciate your time and remain attentive to any request or question. Greetings
$80 USD 40 päivässä
5,8
5,8

Hi I am a senior full stack developer who builds and deploys complete production systems independently. I translate vague business goals into working software, choose the stack, own infrastructure, and explain decisions in plain English. I have built customer facing apps from zero to live including authentication, file uploads, AI powered processing, dashboards, and long term maintenance without technical oversight. In similar roles, I handled architecture, backend, frontend, database design, and deployment end to end. I am comfortable selecting pragmatic stacks, integrating AI APIs for document extraction and workflows, and shipping fast without cutting corners. I explain tradeoffs clearly so non technical founders understand what is being built and why. I am used to daily calls, async execution, and owning outcomes rather than tickets. I can start this week, work full time, and lead technical execution for your automation products from day one. I am confident taking the test project and deploying a live solution quickly to prove capability. Best, Justin
$50 USD 40 päivässä
5,4
5,4

With over 5 years of hands-on experience as a Full-Stack Developer, I have the technical capabilities and independent decision-making skills you need for this project. My proficiency extends to both front-end (React, Svelte, Vue) and back-end (Node.js, Python, Django), enabling me to build complete applications from scratch - just what you're looking for. My past projects also demonstrate my expertise in integrating third-party APIs and deploying complex web applications; skills I'm confident will prove essential in ensuring your ambitious automation platform runs smoothly. As an additional asset, my AI system experience aligns directly with your automation-focused business. It encompasses tasks such as object detection and tracking, image processing and recognition, computer vision, OCR, text data classification and processing - all highly relevant to creating the AI Business Automation solutions you're after. Above all else, I believe the foundation for successful collaboration is strong communication. You can rest assured that my fluency in English will enable clear daily video calls and effective explanation of technical decisions throughout development. With my wide skill set and wealth of experience, I am eager to contribute to your team with immediate availability to start this week.
$12 USD 40 päivässä
5,6
5,6

With over 5 years of experience as a Python-developer, I've dedicated my career to creating robust, automation driven systems that withstand the test of time. My expertise aligns perfectly with what your project demands: incorporating AI into web applications, handling file uploads, and securing authentication. I have hands-on experience working with REST APIs and hosting applications on various platforms like AWS and Azure just to name a few. As an independent worker, I'm well-versed in setting up entire applications from scratch and taking full ownership of the deployment process; an attribute that resonates deeply with your project requirement of minimal hand-holding. On top of building customer-facing Web Apps incorporating Vue, React as front-end tools and Node.js, Python or Ruby as backend tools along with PostgreSQL or MySQL database, my portfolio boasts similar applications made solo which provide relevant proof of my abilities in real-life situations. Your company's focus on automating processes using AI is something that strongly resonates with me; and I have prior experience in document processing, LLMs, and working without any technical management.
$12 USD 40 päivässä
5,3
5,3

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