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$20/hr
$6K+ earned
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Hey there, I’m an experienced and hard working programmer with more than 6 years of experience. I am a passionate developer who believes in quality rather than quantity. I specialize in back-end development using Node.js/JavaScript | Nest.JS and front-end development using React.JS, Next.Js, Angular.Js and Vue.js. I am specialized in: ✅ Node.js / JavaScript ✅ React.JS ✅ Nest.JS ✅ Angular.Js , Angular (2,4,5,6,7) ✅ Vue.Js ✅ Express / Koa / Sails.js / Ghost ✅ ES6 / ES7 ✅ MySQL/RDS / MongoDB / Redis / DynamoDB ✅ AWS (EC2, Lambda, S3, ElastiCache...) / DigitalOcean / Heroku ✅ Mocha / chaijs ✅ a lot of experience in authorization protocols and integrating third party APIs ✅ PaypalStripe, Beanstream, Braintree, TSYS, NMI, Postfinance, Authorise.NET ✅ Version Control: Git 🌟Come to me with just an idea or full design, I'll quote and we'll chat about how I can bring this idea to reality. 🌟If you're interested in working together, I'd love to discuss your project details and your ideas. Feel free to reach out to me, and let's create something exceptional!
ZymbianZ
Associated with
ZymbianZ
$2M+
earned
$20/hr
88% Job Success
$40K+ earned
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Hi, I’m Arjun 👋 — a full-stack web developer with 10+ years of experience helping startups and enterprises like Moneygram, Wipro and Mable. I specialize in building robust web applications, dashboards, SaaS products, and real-time systems using the latest in frontend, backend, cloud infrastructure, and AI-powered workflows. From high-impact internal tools to customer-facing platforms with millions of users, I bring a product-focused approach to every build, engineering solutions that are scalable, clean, and built to perform. 🔧 Core Stack & Specialties 🚀 Frontend Development - Angular, Vue.js, React (Next.js), Ionic - Tailwind CSS for modern, responsive UI - Electron.js for desktop and web hybrid apps - Server-Side Rendering (SSR) & Incremental Static Regeneration (ISR) 🔧 Backend & API Engineering - Node.js with TypeScript, NestJS, Express - RESTful and GraphQL APIs - Microservices architecture 🤖 AI & Smart Features - Integration with GPT-4, Claude 3, LangChain, Pinecone - Embedding search and Retrieval-Augmented Generation (RAG) workflows - AI chat interfaces and prompt engineering - MCP system creation ⚡ Real-Time & Cross-Platform Systems - Real-time communication with Socket.io and WebRTC - Event streaming and messaging via Kafka and RabbitMQ 🗄️ Databases & Data Management - PostgreSQL, MongoDB, Firebase, MySQL - AWS Dynamo DB ☁️ Cloud & DevOps - Cloud platforms: AWS, Vercel, DigitalOcean - Containerization with Docker - CI/CD pipelines using GitHub Actions ✨ Why Teams Work With Me - Proven experience delivering scalable apps used by millions - Product-first mindset with clean architecture and best practices - Hands-on with practical AI integrations (search, summarization, chatbots) - Fluent in async communication and remote team collaboration - End-to-end ownership across frontend, backend, and infra If you’re building a modern web product or integrating AI into your platform, let’s connect—I’d love to help you bring it to life.
Tibicle LLP - Your Trusted Tech Partner for AI/ML, Web, Mobile, Desktop, Cloud & Custom Software Solutions
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Tibicle LLP - Your Trusted Tech Partner for AI/ML, Web, Mobile, Desktop, Cloud & Custom Software Solutions
$100K+
earned
Abhishek G.
$25/hr
100% Job Success
$200K+ earned
Available now
Offers consultations
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AI Agent Architect | Claude Code | AWS Bedrock | LangGraph | n8n | RAG | Full Stack AI Systems I build production-grade AI systems, autonomous agents, and enterprise SaaS platforms that integrate deeply with real business operations. Over the last 11+ years, I've worked as a Software Engineer, Team Lead, CTO, and AI Architect, helping startups and enterprises design, build, deploy, and scale cloud-native products across AI, FinTech, Analytics, Media, eCommerce, and Enterprise SaaS. My focus today is building AI-native systems that move beyond simple chatbot experiences and become reliable business operators capable of reasoning, planning, executing tasks, and integrating with enterprise workflows. ━━━━━━━━━━━━━━━━━━━━━━ AI Agents & Agentic Systems I design and build production-ready AI agents capable of: • Autonomous decision making • Multi-step reasoning and execution • Tool calling and API orchestration • Multi-agent collaboration • Planner → Supervisor → Worker architectures • Long-term memory and contextual learning • Human-in-the-loop workflows • Event-driven automation systems • Enterprise knowledge retrieval • Agent evaluation and reliability testing Technologies: • Claude API (Anthropic) • OpenAI GPT-4o / Realtime API • AWS Bedrock • LangGraph • LangChain • MCP (Model Context Protocol) • CrewAI • Vector Databases • Knowledge Graphs Recent implementations include: • Financial Intelligence Agents • Company Research Agents • B2B Outreach Agents • AI Website Builders • AI Content Generation Systems • Customer Support Agents • Voice AI Agents • Enterprise Document Intelligence Platforms ━━━━━━━━━━━━━━━━━━━━━━ Retrieval-Augmented Generation (RAG) I build enterprise-grade RAG architectures designed for accuracy, traceability, and scalability. Capabilities: • Enterprise document ingestion pipelines • PDF, DOCX, HTML, Database ingestion • Chunking and embedding optimization • Hybrid retrieval architectures • Metadata filtering • Re-ranking pipelines • Knowledge graph integration • Hallucination reduction • Citation and provenance systems • Multi-tenant knowledge bases Vector Technologies: • Pinecone • OpenSearch • ElasticSearch • pgvector • Weaviate • FAISS • Supabase Vector Recent projects include enterprise document intelligence platforms and governed reasoning systems for business-critical workflows. ━━━━━━━━━━━━━━━━━━━━━━ n8n & Workflow Automation I build advanced automation systems using n8n that combine deterministic workflows with LLM reasoning. Capabilities: • AI-powered workflow orchestration • Agent-driven automation pipelines • Human approval workflows • Event-driven architecture • Queue-based processing • Retry-safe workflows • Background job processing • Cross-platform integrations • Multi-step decision engines Integrations: • Slack • Google Workspace • Microsoft 365 • HubSpot • Salesforce • Stripe • Twilio • Airtable • Notion • Internal APIs ━━━━━━━━━━━━━━━━━━━━━━ Voice AI & Conversational Systems Design and implementation of production-ready voice agents using: • Twilio Voice • OpenAI Realtime API • Claude-powered reasoning • AWS Transcribe • Whisper • ElevenLabs • Stateful conversation engines • Automated call summaries • CRM integrations Use Cases: • Appointment Booking • Lead Qualification • Customer Support • Sales Outreach • Reservation Systems • Internal Operations ━━━━━━━━━━━━━━━━━━━━━━ AWS Cloud & AI Infrastructure Strong background designing cloud-native AI platforms on AWS. Core Services: • AWS Bedrock • Lambda • ECS • EC2 • API Gateway • SQS • SNS • EventBridge • DynamoDB • Aurora • PostgreSQL • S3 • CloudFront • CloudWatch • Step Functions Infrastructure: • Terraform • CloudFormation • Docker • Kubernetes • CI/CD Pipelines • Multi-Tenant SaaS Architectures ━━━━━━━━━━━━━━━━━━━━━━ Full Stack AI Product Development Frontend: • React • Next.js • TypeScript Backend: • Node.js • Express • NestJS • Python • FastAPI Databases: • PostgreSQL • MySQL • MongoDB • DynamoDB • Redis ━━━━━━━━━━━━━━━━━━━━━━ Industries Served • FinTech • Enterprise SaaS • LegalTech • Healthcare • Media & Broadcasting • Crypto & Blockchain • Analytics Platforms • Marketing Automation • Cloud Infrastructure ━━━━━━━━━━━━━━━━━━━━━━ What Clients Typically Hire Me For ✓ Multi-Agent Systems ✓ Claude & AWS Bedrock Development ✓ Enterprise RAG Platforms ✓ n8n AI Automation ✓ AI SaaS Products ✓ Voice AI Agents ✓ Workflow Orchestration ✓ AI Architecture Reviews ✓ AWS Cloud Architecture ✓ Production Launches & Scaling If you're building an AI product and need someone who understands both agentic AI and production-grade software architecture, I can help design, build, deploy, and scale the entire system. ✓ Claude Code & OpenAI GPT-4o ✓ Multi-Agent Systems ✓ LangGraph & RAG Pipelines ✓ n8n & Workflow Automation ✓ Voice AI (Twilio, ElevenLabs) ✓ Node.js, React & AWS Bedrock ✓ Stripe, SaaS & Enterprise Integrations ✓ AI Agents for Finance, Legal, Healthcare & Op
AI Agency - skugal.com
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AI Agency - skugal.com
$30K+
earned
Jayant C.
$20/hr
100% Job Success
Available now
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✅ Top Rated Plus | 100% JSS | 4x Certified (AWS SA Pro, GCP Pro Architect, Snowflake) | BITS Pilani MTech Data Science | Full Stack Developer & Data Engineer | React, Python, Node.js, Spark | $20K+ earned | 1,845+ hours I build full-stack web applications and data engineering systems that go to production, not to demo day. SaaS MVPs, Spark-based ETL pipelines, cloud architecture on AWS and GCP, I handle both the application layer and the data infrastructure behind it. 🔹 Full-Stack SaaS & Web Application Development React, Next.js, Node.js, and Python backends for SaaS platforms, dashboards, internal tools, and customer-facing apps. MVP to production on AWS/GCP with CI/CD, automated testing, and monitoring from day one. 19 Upwork contracts delivered with structured milestones. 🔹 Data Engineering & ETL Pipeline Architecture End-to-end data pipeline design with Apache Spark, PySpark, Scala, Snowflake, and Airflow. Batch and streaming ETL processing millions of records per run. Data lake architecture, warehouse modeling, analytics-ready output layers. 8+ years building production Spark + Cassandra systems at enterprise scale. 🔹 Cloud Architecture & Infrastructure (AWS + GCP) 4 cloud architecture projects on Upwork, all rated 5.0. $2,300 CloudStack design. AWS architecture advisory. EC2, Lambda, S3, RDS, EMR, Redshift on AWS. BigQuery, Dataflow, Cloud Functions on GCP. Terraform for IaC, Docker and Kubernetes for orchestration, zero-downtime deployments. 🔹 API Development & Backend Systems REST API and GraphQL backends with Node.js, NestJS, FastAPI, and Django. Microservices, Redis caching, WebSocket integrations, Stripe payment APIs, OAuth/JWT authentication. Backend services handling concurrent users at production scale. 🔹 Database Design & Data Modeling PostgreSQL, MongoDB, MySQL, Cassandra, DynamoDB, Redis. Schema design, query tuning, indexing, partitioning. Star and snowflake schemas, slowly changing dimensions, SQL optimization for analytics. Architecture decisions balancing performance, throughput, and cost. 🔹 AI Integration & Intelligent Applications OpenAI API, Hugging Face, NLP pipelines, chatbot systems, text extraction and summarization. Delivered NLP processing on Upwork. AI-powered features built into SaaS products as production features, not standalone experiments. 🔹 Real-Time Processing & Event-Driven Systems Kafka for event-driven architectures, change data capture, WebSocket dashboards, streaming pipelines for near-real-time analytics. Application events connected to data warehouse layers. 🔹 Frontend Performance & TypeScript Engineering React and Next.js with SSR/SSG for SEO-friendly rendering. TypeScript full stack. Core Web Vitals optimization, Tailwind CSS, responsive design. Fast-loading frontends that rank and convert. 🔹 DevOps, CI/CD & Production Systems Docker, Kubernetes, Terraform, GitHub Actions, GitLab CI. Serverless with AWS Lambda and GCP Cloud Functions. Monitoring, logging, alerting for production. Zero-downtime deployment strategies. 🔹 Technical Consulting & Architecture Advisory TypeScript and AWS Lambda tutor on Upwork, rated 5.0 over 13 hours. Cloud migration advisory, system design review, code audits, performance optimization, engineering mentorship. 📊 AWS Solutions Architect Professional + Associate (Dec 2026) | GCP Pro Cloud Architect (Jul 2026) | Snowflake Core (Jan 2026) 📊 MTech Data Science, BITS Pilani, ranked top 5 engineering institutions in India 📊 19 contracts, 100% JSS, Top Rated Plus, 1,845+ hours tracked, $20K+ earned 📊 "Jay's expertise brought the architecture design to life in ways I hadn't imagined" (5.0 rated) 📊 8+ years: React, Node.js, Python, Java, Scala across SaaS, healthcare, fintech, enterprise → Day 1: Requirements call + architecture proposal with tech stack rationale → Week 1: Sprint development, daily Loom/Slack updates, working code shipped → Ongoing: Weekly demos, priority reviews, transparent tracking, full documentation → Delivery: Documented code, CI/CD configured, deployment guide, 2-week post-launch support Full Stack: React, Next.js, Node.js, NestJS, Express, TypeScript, JavaScript, Python, FastAPI, Django Data: Apache Spark, PySpark, Scala, Snowflake, Airflow, Kafka, ETL, dbt, SQL, BigQuery Cloud: AWS (Lambda, EC2, S3, RDS, EMR, Redshift), GCP (BigQuery, Dataflow), Docker, Kubernetes, Terraform DB: PostgreSQL, MongoDB, MySQL, Redis, Cassandra, DynamoDB, Supabase AI: OpenAI API, Hugging Face, NLP, LLM Integration, TensorFlow, PyTorch 💬 Message me with your project scope or data challenge. I respond within 4 hours with a free assessment and can start within 48 hours.
Uneeb M.
$25/hr
100% Job Success
Available now
Offers consultations
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AI Agent & Automation Developer | React Native | Full Stack (Web & Mobile) | 6+ Years | 100% Job Success | Top Rated Plus Hi, I'm Uneeb I help founders and businesses build AI-powered products, automate workflows, and ship mobile & web apps that are fast, scalable, and production-ready. If you need someone who understands product and AI strategy, not just code, and can take your idea from MVP to launch to scale, you're in the right place. Most clients come to me when: ✔ They want to add AI agents or automation to their product (chatbots, AI workflows, intelligent features) ✔ They need a React Native app for iOS & Android fast, clean, App Store ready ✔ They have an MVP idea and need to ship to real users within weeks ✔ Their existing app has performance issues or bugs others couldn't fix ✔ They need a full stack system: AI backend + mobile app + web app + admin dashboard + cloud infrastructure "Exceptional React Native developer who delivered a high-quality, performant mobile app ahead of schedule. Strong problem-solving skills, excellent communication, and expertise in both iOS and Android development make them a top choice for any project." Client review, 5 stars AI AGENTS & AUTOMATION (High Demand) I design and build AI agents and automation systems that actually add value to your product or business: → AI agent development (OpenAI, Claude, LangChain, custom LLM workflows) → AI chatbots & conversational assistants → Workflow automation (n8n, Zapier, custom Python + Node.js pipelines) → RAG (Retrieval-Augmented Generation) & knowledge-based AI systems → AI-backed recommendations & personalization engines → AI SaaS tools, intelligent dashboards & internal automation → Python scripting for data processing, automation & backend AI services I also build using Claude and Cursor as part of my own workflow this lets me prototype, clean up ("vibe coded") codebases, and ship production-ready features significantly faster than traditional development timelines, without cutting corners on code quality. MOBILE APP DEVELOPMENT I build high-performance iOS & Android apps using React Native (Expo & CLI). From MVP to production, I deliver smartphone apps that are fast, scalable, and ready for the App Store and Google Play. → React Native (Expo & CLI) cross-platform iOS Development & Android App Development → Native modules: iOS (Swift) & Android (Kotlin/Java) → Real-time chat & messaging (WebSockets, Firebase) → Push notifications (Firebase, OneSignal) → Payments & subscriptions (Stripe, Apple Pay, Google Pay) → Google Maps API, camera & media → Twilio integration (SMS, voice, calling) → App Store & Google Play Store publishing end-to-end, TestFlight beta releases → Performance optimization & bug fixing WEB APP & FULL STACK DEVELOPMENT → Frontend: React.js, Next.js, TypeScript, Tailwind CSS → Backend: Node.js, Express.js, Python (Django/FastAPI), REST APIs, GraphQL → Auth: JWT, OAuth, Firebase Auth, Supabase Auth → Payments: Stripe, PayPal subscriptions, webhooks → Real-time: WebSockets, scalable event systems DEVOPS & CLOUD INFRASTRUCTURE → AWS: EC2, Lambda, S3, API Gateway, CloudFront, RDS → CI/CD pipelines: GitHub Actions, Bitbucket Pipelines, Fastlane → Docker & containerization → Mobile release automation: TestFlight, Firebase App Distribution → Infrastructure setup & server management → Monitoring, logging & performance optimization → Firebase, Supabase (backend-as-a-service) DATABASES: MongoDB, PostgreSQL, MySQL, Dynamo DB, myphpadmin WHY CLIENTS CHOOSE ME ✔ Top Rated Plus consistent 5-star delivery ✔ 100% Job Success Score ✔ Product & AI-strategy focused, not just code ✔ Full-cycle delivery from cloud infrastructure to shipped app ✔ Fast, clear communication 0–1 hour response time ✔ Strong with AI SaaS, MVPs, and startup builds ✔ AI-accelerated development using Claude & Cursor for faster, cleaner shipping ✔ Long-term support mindset INDUSTRIES I'VE WORKED IN Healthcare · Fintech · E-commerce · Logistics · Food Delivery · Education · SaaS · On-Demand · Travel FREE CONSULTATION Have an app idea, an existing product, or want to add AI automation or cloud infrastructure to your workflow? Click "Invite to Job" even if we don't end up working together, I'll give you honest feedback on your stack, architecture, and roadmap.
Rishab S.
$20/hr
100% Job Success
$9K+ earned
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Looking for a developer who can build scalable web applications, SaaS products, cloud-native platforms, and AI-powered solutions? I am a Lead Full Stack Developer helping startups, agencies, and enterprises turn ideas into reliable, production-ready software. My expertise spans backend development, frontend engineering, cloud infrastructure, API integrations, automation, and modern AI technologies. I specialize in building secure, scalable, and high-performance applications using Python, FastAPI, Django, React, AWS, and modern development practices. Whether you need a SaaS platform, custom business application, workflow automation, AI integration, or cloud deployment, I can help bring your vision to life. CORE EXPERTISE Backend Development - Python - Django - FastAPI - Flask - Node - Express/Nest.js - REST APIs - GraphQL - Microservices Architecture - Event-Driven Systems - Celery - Async Programming - Background Processing - SQLAlchemy Frontend Development - React.js - Next.js - TypeScript - JavaScript (ES6+) - Redux - HTML5 - CSS3 - Tailwind CSS - Material UI - Responsive Design AI Integrations & Automation - OpenAI API Integration - ChatGPT Integration - Claude API Integration - Gemini API Integration - AI Chatbots - AI Assistants - RAG (Retrieval-Augmented Generation) - AI Agents - Agentic Workflows - LangChain - LangGraph - Vector Databases - Semantic Search - Prompt Engineering - Knowledge Base Systems - Document Processing - Workflow Automation - Business Process Automation Cloud & DevOps - AWS - Azure - Google Cloud Platform (GCP) - Docker - Kubernetes - CI/CD Pipelines - GitHub Actions - Jenkins - Terraform - Infrastructure as Code (IaC) - Nginx - Linux Administration - Serverless Architecture - Monitoring & Logging Databases - PostgreSQL - MySQL - MongoDB - Redis - DynamoDB - Firebase - SQL Server - SQLite API & Third-Party Integrations - Stripe - PayPal - Twilio - SendGrid - HubSpot - Salesforce - Shopify - Slack - QuickBooks - Google APIs - Microsoft APIs - CRM Integrations - ERP Integrations - Payment Gateway Integrations - Social Media APIs Data Engineering & Automation - Web Scraping - Scrapy - Selenium - ETL Pipelines - Data Processing - Data Migration - Data Analytics - Reporting Systems - Business Intelligence Solutions INDUSTRIES SERVED - SaaS - FinTech - Healthcare - E-Commerce - Logistics - Education - Real Estate - Manufacturing - Marketing Technology - Recruitment Technology - Insurance - Enterprise Software WHAT I BRING TO YOUR PROJECT - End-to-end product development from idea to deployment - Scalable backend architecture and API development - Modern React-based frontend applications - AI-powered features, assistants, and automation - Cloud infrastructure setup and optimization - Clean, maintainable, and production-ready code - Strong communication and transparent collaboration - Long-term support and continuous improvements TECHNOLOGIES & TOOLS 1. Languages: Python, JavaScript, TypeScript, SQL 2. Backend: Django, FastAPI, Flask, Celery, SQLAlchemy 3. Frontend: React, Next.js, Redux, Tailwind CSS 4. AI & Automation: OpenAI, Claude, Gemini, LangChain, LangGraph, RAG, AI Agents 5. Cloud: AWS, Azure, GCP 6. Databases: PostgreSQL, MySQL, MongoDB, Redis, DynamoDB 7. DevOps: Docker, Kubernetes, Terraform, GitHub Actions, Jenkins 8. Project Management: Jira, Trello, Agile, Scrum, GitHub, Bitbucket If you're looking for a reliable developer who can build, scale, and maintain modern software products while integrating the latest AI capabilities, I'd be happy to discuss your project.
TYLOONES SOFTWARE PRIVATE LIMITED
Associated with
TYLOONES SOFTWARE PRIVATE LIMITED
$10K+
earned
Emmanuel E.
$30/hr
100% Job Success
$200K+ earned
Available now
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Senior fullstack developer with 6+ years building production React and Node.js platforms. I ship performant, well-architected systems and own them end-to-end, from the earliest stages of making technical decisions to the final stages of deployment, while working effectively with existing teams and inherited codebases. What I build: - Full-stack web apps with React, Next.js (Pages & App Router), Node.js, TypeScript - AWS Serverless backends (Lambda, DynamoDB, S3, Step Functions, EventBridge) - Supabase integrations (Auth, Database, Storage, Queues, Edge Functions) - Multi-tenant SaaS architecture with secure auth & data isolation - AI/LLM integrations (OpenAI, Anthropic) - High-accuracy, cost-efficient OCR parsing pipelines - REST & GraphQL APIs, third-party integrations (Google Ads, Meta, TikTok, Stripe, Square) Tech stack: React, Next.js, Node.js, ExpressJS, Nest.js, TypeScript, JavaScript, PostgreSQL, MySQL, MongoDB, DynamoDB, Supabase, AWS (Lambda, S3, CloudFront, Step Functions, EventBridge), GCP, Vercel, Docker, REST, GraphQL, OpenAI, Anthropic, Rust/WASM Looking forward to collaborations!
Swaleheen J.
$20/hr
100% Job Success
$100K+ earned
Available now
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I develop scalable 𝐀𝐈-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐒𝐚𝐚𝐒 platforms from zero to production. I specialize in designing and engineering complex systems that combine: • 𝐑𝐞𝐚𝐥-𝐭𝐢𝐦𝐞 𝐢𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞 • 𝐋𝐋𝐌 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 • 𝐌𝐮𝐥𝐭𝐢-𝐭𝐞𝐧𝐚𝐧𝐭 𝐒𝐚𝐚𝐒 𝐚𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 • 𝐒𝐞𝐜𝐮𝐫𝐞, 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐀𝐖𝐒 𝐛𝐚𝐜𝐤𝐞𝐧𝐝𝐬 Over the past 6+ years, I’ve helped startups and growing companies ship production-grade platforms in: ✔ 𝐀𝐈 & 𝐋𝐋𝐌 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 ✔ 𝐄𝐝𝐓𝐞𝐜𝐡 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 ✔ 𝐅𝐢𝐧𝐓𝐞𝐜𝐡 & 𝐏𝐚𝐲𝐦𝐞𝐧𝐭 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 ✔ 𝐇𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 ✔ 𝐌𝐚𝐫𝐤𝐞𝐭𝐩𝐥𝐚𝐜𝐞 & 𝐒𝐚𝐚𝐒 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐬 I work directly with founders and product owners to: • Design scalable architecture • Balance speed with long-term maintainability • Make technical decisions that survive growth • Build platforms ready for 10x scale I have developed real-time AI products including: • AI mock interview platform (voice + OpenAI streaming + analytics) • AI-powered recruitment engine • LLM-based tutoring systems • RAG pipelines and vector search systems • Conversational AI with real-time streaming 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞: • Node.js / NestJS microservices • REST & GraphQL APIs • Multi-tenant SaaS design • Background job processing (queues, Redis) • Rate limiting & abuse protection • Secure authentication (JWT, OAuth, RBAC) 𝐂𝐥𝐨𝐮𝐝 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞: • AWS (ECS, Lambda, RDS, S3, CloudFront, Cognito) • CI/CD pipelines • Cost-aware architecture • Zero-downtime deployments 𝐂𝐨𝐫𝐞 𝐒𝐭𝐚𝐜𝐤: - Frontend: React, Next.js, TypeScript, Tailwind - Backend: Node.js, NestJS, Express - Database: PostgreSQL, MongoDB, DynamoDB, Redis - AI: OpenAI, LLaMA-based models, RAG pipelines - Cloud: AWS, Docker, CI/CD Available for complex and long-term projects. Send me a message with your requirements and I’ll respond with a structured technical approach.
Rohan S.
$20/hr
100% Job Success
$30K+ earned
Available now
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Got an idea, a problem, or a project you need built right? Let's talk, I offer a FREE 30-minute consultation to understand your needs before any commitment. I'm a Top Rated Full-Stack Engineer and AI Developer on Upwork with 6+ years of experience, a 100% Job Success Score, and an AWS Certified Developer. I work with startups and businesses to build AI-powered products, scalable web applications, and reliable cloud infrastructure all under one roof. [ WHAT I WORK ON ] AI & Chatbot Development Custom AI chatbots using OpenAI (GPT-4) and Claude API, RAG pipelines for document intelligence, LangChain agents, AI automation workflows, and FastAPI backends for real-time AI applications. Full-Stack Web Development React and Next.js frontends, Node.js and Python backends, REST and GraphQL APIs, Go microservices for high-performance needs, and full SaaS product builds from scratch to deployment. DevOps & Cloud Engineering AWS architecture and management (EC2, Lambda, ECS, RDS, S3, CloudFront), CI/CD pipelines with GitHub Actions, Docker and Kubernetes for containerization, Terraform and CloudFormation for infrastructure as code, and cloud cost optimization. [ MY TECH STACK ] Frontend - React.js, Next.js, TypeScript, Tailwind CSS Backend - Node.js, Python, FastAPI, Go, REST, GraphQL AI & LLMs - OpenAI API, Claude API, LangChain, Pinecone Cloud & DevOps - AWS (Certified), Docker, Kubernetes, Terraform Databases - PostgreSQL, MongoDB, Redis, DynamoDB [ WHY CLIENTS STICK WITH ME ] I don't just deliver code, I take full ownership of the project. That means asking the right questions upfront, keeping you updated throughout, flagging issues before they become problems, and making sure everything is documented so you're never dependent on me to understand your own system. Top Rated | 100% JSS | AWS Certified Developer | 30K+ earned on Upwork Send me a message about your project or book the free consultation and I'll come back with a clear plan within a few hours.
Vidit S.
$25/hr
100% Job Success
$50K+ earned
Available now
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I build scalable SaaS platforms, AI-powered systems, and automation workflows that actually work in production. I help startups move fast — from MVP to stable systems — without breaking things. 🏆 Top 1% Performer( Top Rated Plus) 𝒃𝒚 𝑼𝒑𝒘𝒐𝒓𝒌 | 100% 𝑱𝒐𝒃 𝑺𝒖𝒄𝒄𝒆𝒔𝒔 🎁 16+ 𝑱𝒐𝒃𝒔 | $40𝒌+ 𝑬𝒂𝒓𝒏𝒊𝒏𝒈 | 4000+ 𝑯𝒐𝒖𝒓𝒔 ✅ 8+ years of experience in React ,Node, Postgres, AWS RDS, Supabase, and React Native for Web and Mobile App Development I work with startups and growing businesses to build SaaS platforms, and AI-powered tools that are fast, scalable, and reliable. I am not just a developer — I focus on solving product and system problems, especially in live environments where performance, stability, and speed matter. What I build • SaaS platforms (CRM, dashboards, internal tools) • AI-powered systems (OpenAI, Claude, automation workflows) • Full-stack applications (React, Next.js, Node.js) • API integrations (Stripe, Supabase, third-party services) Real systems I’ve worked on • Logistics platform (shipment tracking, dashboards, workflows) • SaaS platforms with booking systems, user flows, and payments • AI-assisted systems and automation workflows • .....Many More How I work (this is my edge) I use AI-assisted development (Claude, Cursor, OpenAI) to: • ship faster • debug faster • automate repetitive engineering tasks But I always ensure: • clean architecture • structured code • production-level stability Why clients work with me • I work well inside existing, messy systems and improve them • I balance speed and reliability (critical for SaaS) • I take ownership — not just tasks If you need someone who can build fast and think like an engineer, I can help. ⸻ My skill set includes the following: ✨Front End: Figma/PSD, HTML, CSS, Bootstrap, TailWind CSS, JavaScript, MUI, React JS, Next JS, React Native, Redux ✨Back-End: Python, Flask, Django, Nodejs/Express, Python/Django, PHP, Machine Learning, S3, Azure, Event bridge, Kafka, Docker, Kubernetes ✨Databases: Postgres, MongoDB, Amazon DynamoDB, Amazon Elastic, API Development, Graph QL, AWS Lambda, API Gateway ✨DevOps: Containerization, container orchestration, AWS, automation and DevOps ✨Version Control: git and its interfaces, such as GitHub and GitLab ✨Project Management: Scrum, Agile, JIRA, and Trello are some of the frameworks used in Software Development
Viionn Labs
Associated with
Viionn Labs
$4K+
earned