✅Over 180 projects, 100% rating with $800K+ earned on Upwork I architect and develop enterprise-grade software applications, MVPs and AI-powered SaaS products across web and mobile. With 20+ years of full-stack development experience, I support global enterprises and startups in developing premium software solutions that are reliable and future-ready. My expertise covers system architecture, full-stack development, database design and API development. I design and deploy production-grade systems that combine modern software engineering with Generative AI, LLM and machine learning capabilities where they deliver measurable business impact. ✔️𝐂𝐨𝐫𝐞 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬: • Architect and deliver custom MVPs for startups launching their first product versions. • Develop production-grade CRM platforms and internal business systems. • Design and build AI-native SaaS platforms, subscription-based products and intelligent business solutions. • Develop AI agents, agentic workflows and business process automation solutions. • Build RAG pipelines, knowledge systems and enterprise AI platforms powered by advanced prompt engineering. • Modernize and extend existing applications including legacy web and mobile codebases. • Design, deploy, and optimize cloud-native infrastructures that support long-term scale, security, and reliability. • Build API layers and service architectures for SaaS, multi-tenant and enterprise platforms. • Engineer new systems from scratch, establishing clean architectures for long-term scalability. ✔️𝐓𝐫𝐚𝐜𝐤 𝐑𝐞𝐜𝐨𝐫𝐝: • Developed 180+ custom software solutions, web applications and AI-powered products. • Implemented AI agents and LLM-powered workflows that reduced manual processes by up to 80%. • Delivered AI-powered business automation systems cutting operational costs by 40% • Maintained a 100% client success rating in collaborations with startups and enterprise teams. • Collaborated with 30+ enterprise clients on long-term projects of high complexity. • Supported multiple founders through MVP stages across 20+ industries. I support organizations throughout the software lifecycle, helping teams design, build, modernize, deploy and scale applications that remain reliable as business requirements evolve. I am experienced building and deploying APIs and AI agents while ensuring every system aligns with enterprise compliance standards. If you're planning to develop an AI-native product, modernize existing systems or deploy intelligent automation, I'd be happy to discuss your objectives and evaluate the most effective path forward. _____________________________________________________________________________ ✔️𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐲 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: E-Commerce & Retail | Healthcare | FinTech | EdTech | Logistics & Supply Chain | Mobility & Transport | Real Estate (PropTech) | LegalTech | Travel & Hospitality | Cybersecurity | AI/ML & Data Analytics ✔️𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 & 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Multi-Tenant SaaS | AI SaaS |Cross-Platform Mobile App | Booking & Scheduling Platform | AI Tool | Learning Management System (LMS) | Electronic Health Records (EHR) | Inventory Management System | ERP | CRM | Customer & User Portal | Marketplace Platform| Cloud-Native Application | MVP & Prototype | Workflow Automation System | API-Driven Backend | Admin & Analytics Dashboard ✔️𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲 & 𝐂𝐨𝐦𝐩𝐥𝐢𝐚𝐧𝐜𝐞: HIPAA | GDPR | ISO 27001 | HL7 | FHIR | EHR/EMR | OAuth2 | JWT | MFA/2FA | RBAC | ABAC | API Security | Audit Logs | Multi-Tenant Isolation ✔️𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤: • Front-End Development: React, Next.js, TypeScript, JavaScript, Vue.js, Angular, HTML, Tailwind CSS • Back-End Development: Node.js (Express.js), Python, PHP (Laravel), NestJS • Mobile App Development: React Native (Expo), Flutter • Database Management: MySQL, PostgreSQL, MongoDB, Firebase, MSSQL Server, AWS RDS • API Integration: RESTful APIs, REST, SOAP, FastAPI, GraphQL, OpenAPI, WebSockets • Third-Party APIs: Social Media API, Payment Gateway, Twilio, SendGrid, Mailchimp, Whisper • AI/ML: LLMs, AI Agents, LangChain, OpenAI API, Claude, ChatGPT, CursorAI, Generative AI, GPT Integration • Cloud: AWS (EC2, S3, Lambda, CloudFront, SES, SQS, SNS, CloudTrail, ElastiCache, Elasticsearch) • DevOps: Docker, Kubernetes, GitHub Actions, Jenkins, CI/CD Pipelines, Containerization • Testing Tools: Jest, Mocha, Chai, Cypress, Selenium • Version Control: Git, GitHub

SUMMARY 9+ years experience. I build scalable AI systems and high-concurrency backends. Expert in GCP architecture, LangChain orchestration, and Go-based microservices. CORE COMPETENCIES • AI: Multi-agent workflows (LangChain), RAG, Vertex AI. • Cloud: GCP (Certified Architect), Docker, Terraform. • Backend: Go (Golang), Node.js (NestJS), Redis, BullMQ. • Data: PostgreSQL, pgvector, GORM. SELECTED WORK Agentic Content Pipeline • Automated video scenario generation and posting using multi-agent workflows. • Tech: Vertex AI, LangChain, Node.js, Redis. Maritime Routing System • Real-time vessel routing logic and crew management hub. • Tech: Go, PostgreSQL, GCP, Microservices. EdTech Matching (RAG) • Search-and-match system for tutors using RAG and vector search. • Tech: Vertex AI, PostgreSQL (pgvector). TECHNICAL STACK • AI: Vertex AI, LangChain, RAG, Agentic Workflows. • Backend/Infra: Go, Node.js, GCP, Docker, Terraform. • Database: PostgreSQL, MongoDB, Pinecone. OTHERS • 4 years as a Technical Founder (Arafat Solutions). • Based in Indonesia | US/EU Timezone flexible.

.NET Architect | Azure Solutions Architect Expert | 12+ Years | Top Rated | Microsoft Certified I help companies build scalable, production-ready .NET and Azure platforms - microservices, SaaS dashboards, enterprise APIs, CI/CD pipelines, and React/Angular frontends - delivered on time, built to last. As a .NET Architect and Full Stack Developer, I have led end-to-end architecture and delivery for Fortune 500 firms and funded startups across healthcare, finance, logistics, and e-commerce. My work as a .NET Architect combines deep ASP.NET Core backend expertise with Azure cloud-native deployment and modern React/Angular frontends - so you get one engineer who owns the complete system. ───────────────────────────────────── WHAT I BUILD AS A .NET ARCHITECT ───────────────────────────────────── As a .NET Architect and ASP.NET Core developer, my core delivery includes: - Scalable microservices with .NET 8/10 - clean architecture, CQRS, event-driven design - Azure PaaS deployments - App Service, AKS, Service Bus, Azure SQL, Azure DevOps - React and Angular frontends - SSO, role-based access, real-time dashboards - CI/CD pipelines - GitHub Actions, Azure DevOps, Jenkins - zero-downtime releases - SQL Server and PostgreSQL performance tuning - deadlock resolution, query optimization - Healthcare (HIPAA), finance, and logistics platforms built to compliance standards - ASP.NET Zero multi-tenant SaaS architecture - Full Stack .NET Core + React and .NET Core + Angular applications - API development, API integration, and third-party service connections - SignalR and WebSocket real-time applications - NopCommerce/Shopify and e-commerce platform development ───────────────────────────────────── RECENT OUTCOMES ───────────────────────────────────── As a .NET Architect and Full Stack Developer, I have delivered: - Designed a healthcare practitioner search platform scaling across AWS with real-time Elasticsearch - Led a US logistics platform revamp using .NET 10 + React + Angular, cutting deployment time significantly - Built 20+ e-commerce platforms processing millions in transactions using ASP.NET Core and NopCommerce/Shopify - Delivered HIPAA-compliant EHR, LIMS, and healthcare SaaS systems for US-based clients - Managed teams of 12 developers on enterprise projects - Migrated legacy .NET applications to Azure with zero production downtime - Resolved deadlock and query performance issues on SQL Server databases with 1M+ records ───────────────────────────────────── WHO I WORK WITH ───────────────────────────────────── Companies hire me as a .NET Architect and Full Stack Developer when they need: - A .NET Architect who can design and own the full system - An ASP.NET Core developer for scalable backend API and service development - A Full Stack Developer to build React or Angular frontends connected to .NET backends - A SaaS developer to build multi-tenant platforms with ASP.NET Zero - An Azure cloud architect for microservices, AKS, and DevOps pipelines - A SQL Server and database architect for performance-critical systems - A backend developer for healthcare, finance, logistics, or e-commerce platforms - A .NET developer for legacy system modernization and migration to Azure - A Full Stack Developer for enterprise dashboards, CRM tools, and internal platforms ───────────────────────────────────── TECHNICAL EXPERTISE ───────────────────────────────────── Backend & .NET Development - ASP.NET Core | ASP.NET MVC | ASP.NET Web API - .NET Framework | .NET Core | .NET 6 | .NET 8 | .NET 10 - C# | Entity Framework | CQRS | Clean Architecture | Microservices - Node.js | TypeScript Frontend Development - React | Angular | AngularJS | TypeScript | JavaScript - HTML5 | CSS3 | Bootstrap | Tailwind CSS Cloud & DevOps - Microsoft Azure | AWS | Azure DevOps | GitHub Actions | Jenkins - Docker | Kubernetes (AKS) | CI/CD Pipelines | Azure App Service - Azure Service Bus | Azure SQL | Azure AD | SSO Databases - Microsoft SQL Server | PostgreSQL - Query Optimization | Database Architecture | Database Design - Deadlock Resolution | Index Tuning | Stored Procedures | SSRS Integrations & Platforms - REST API | API Integration | SignalR | WebSockets - Power BI | Elasticsearch | HubSpot | Stripe | Payment Gateways - NopCommerce | WordPress | Shopify AI & Emerging Tech - AI Integration | OpenAI API | ChatGPT Integration | N8n - Real-time Data Pipelines | Automation Workflows ───────────────────────────────────── CERTIFICATIONS ───────────────────────────────────── - Microsoft Certified: Azure Solutions Architect Expert - Microsoft Certified: Azure Developer Associate - Microsoft Certified Professional Send me a message describing your project. I respond within a few hours and can share a relevant architecture approach on the first call.

I have over a decade of experience working with technology and managing software projects. I have supervised and led the technical execution of multimillion-dollar contracts for my clients with tech companies such as Microsoft, Google and AWS as well as public entities such as the Swedish government. My greatest satisfaction is using state of the art technology to bring competitive innovation to businesses. I have supervised research papers from different universities in Sweden regarding machine learning and statistics, as well as successfully leading and managing distributed teams of software developers. My experience includes but is not limited to: -Data Extraction from PDFs using RAG -LLM Applications -Efficient Interfaces for Data Labeling at Scale -Automatic Speech Recognition Software -Inference and Productization of Machine Learning Models -R&D Management

🙏 Thank you for stopping by my profile. I truly appreciate you taking the time to find the right person to trust with your ideas – I know it isn’t easy. You’re here because you want someone who can bring your vision to life with clarity, confidence, and real results. 💡 I’ve been building software since I was a kid. What began as pure curiosity quickly turned into a lifelong passion. Today, with over 15 years of experience as a Full-Stack Engineer, I’m all in on creating software solutions that go beyond code – solutions that think, adapt, and truly make a difference for your business. I focus on building AI agents, automation systems, blockchain applications, and scalable full-stack products that don’t just work, but transform how companies operate. Whether it’s an AI-powered system that automates insurance assessments in seconds, a sales call mentor that boosts conversions, or a blockchain platform unlocking new revenue streams, everything I build is designed to move your business forward. I believe in creating software with clarity, precision, and purpose. Clean architecture, proactive communication, and a focus on impact define every project I take on. Your goals become my focus, and I measure success by the growth, efficiency, and confidence my solutions create for you. 🌍 Over the years, I’ve worked with brands across multiple countries, helping startups and enterprises build products that stand out in competitive markets. 🤝 If you’re looking for someone who cares deeply about your vision and brings the expertise, dedication, and strategic thinking to build AI agents, automate workflows, or launch blockchain and web applications with confidence and impact – let’s connect.

I am a highly-skilled Python developer with more than 10 years of proven experience with Python and 8+ years of working with web development. I have built many web and mobile application backends of various complexity levels. Likewise, I have worked with individual entrepreneurs and with organizations in distributed teams of 25 people from all over the world. I have experience building SaaS and Enterprise projects in different niches. Like: ad-tech, healthcare, fintech and real estate. I often use these libraries during development: - Python: Django, Django Rest Framework, FastAPI, Flask, Pyramid, Asyncio, Aiottp, Tornado, Sqlalchemy, Graphene, Pydantic, Uwsgi, Django ORM, Bottle, Celery, Airflow, Dramatiq, Django channels, Sanic, Twisted. - Server-side: MySQL, PostgreSQL, MongoDB, Redis, Kafka, RabbitMQ, ELK, ElasticSearch, AWS, AWS Lambda, AWS S3, Azure, GCP, REST API, GraphQL, Microservices, Docker, Docker compose, Kubernetes, AWS EC2, WebSockets, Nginx, SSH, Third-party API, PubSub, Debug, Facebook API, Google API, Twitter API, Outlook API, Vagrant, Nginx. - DevOps: AWS, Azure, GCP, Kubernetes, Docker, Docker compose, Prometheus, Grafana, Linux, UNIX, Jenkins, GitLab CI, Github Actions, Bitbucket pipelines, Terraform, Ansible, Bash, CI/CD, Load Balancing, Nginx, Apache. - BigData: Apache Spark, Apache Druid, Cassandra, DynamoDB, Clickhouse - I’m also proficient in JavaScript/NodeJS, Vue, Angular, and React. On Upwork, I hope to find challenging tasks to deepen and expand my server-side development skills, particularly Python. Also, I’m into DevOps engineering and am open to collaboration.

Laravel developer building B2B SaaS platforms and web marketplaces for 7+ years. Top Rated on Upwork. 100% JSS. 7,000+ hours billed. $200k+ earned. Any bug in my code is fixed at no extra cost - for as long as your platform is live. That's the warranty I give every client, and it's why I've kept a 100% satisfaction rate across 32 jobs. Platforms I've shipped: Oscar Yankee Wings - aviation training SaaS (Denmark): multi-role dashboards for Head of Training, Operations, Instructor, Accountant, Student, Safety Manager; logbook system compatible with EASA standard; Dropbox integration; Laravel 8→11 upgrade with zero disruption to live users Defero - AI-driven scoring and recommendation platform (Norway): DynamicYield-based recommendation engine for personalized decision flows; gamification layer; scoring algorithm; full SaaS dashboard with admin panel and API integrations AdSplash - MarTech multi-platform data aggregator (USA): dashboards pulling from Google, YouTube, Facebook, Instagram, AppStore, Snapchat within a single interface; payment wallet integrations; role-based permissions; super-admin architecture UnderTheRadar - subscription research platform with tiered access (Australia): subscription access control with tiered membership plans; interactive portfolio manager; full dashboard rebuild, QA cycle, and production deployment MyMyCars - automotive marketplace (Ukraine): rotation system, test drive booking, AI recommendation engine for similar/competitive car models, Elasticsearch, automatic data filling via state database API integration A-link - Marketing automation SaaS (Malta): link builder, Ahrefs analysis, dashboard, filtration system, Stripe integration; Laravel + Vue.js + PostgreSQL Carma - multi-step approval workflow platform (Saudi Arabia): OTP SMS auth, document upload pipeline, financial analysis integration, end-to-end request submission and approval workflow, payment infrastructure Dance Planet - E-Commerce + ERP platform (Ukraine): multi-role booking system, supply chain management, selling automation; Laravel + Vue.js + Nuxt.js + MySQL Stack: Laravel, PHP, Symfony, PostgreSQL, MySQL, Vue.js, React, JavaScript, Node.js, HTML5, CSS, Bootstrap, REST API, Git, Docker, Redis, Stripe, DigitalOcean, Livewire What working with me looks like: architecture scoped before a single line of code is written. Daily async updates. Clean, documented, production-ready code. 30+ hours/week. Flexible on timezone. Lifetime warranty included on every project - any bug in my code, I fix it. No invoice. No argument. That's been my standard for 7 years. Building a B2B SaaS or marketplace? Send me a message.

🎯 Top Rated Plus AI Engineer ✅ $200K+ Earned | 50 Jobs | 4,700+ Hours ✅ 100% Job Success Score ✅ AI Agents | RAG Systems | AWS AI | Full-Stack AI SaaS I build production-grade AI agents, RAG systems, LLM applications, AI chatbots, document intelligence pipelines, and AWS-based AI platforms using LangGraph, LangChain, OpenAI, AWS Bedrock, FastAPI, PostgreSQL/pgvector, Qdrant, OpenSearch, Next.js, and React. I help SaaS companies, startups, agencies, and enterprise teams turn AI ideas into reliable production systems, not just demos, prompt wrappers, or basic chatbots. 𝐖𝐇𝐀𝐓 𝐈 𝐁𝐔𝐈𝐋𝐃: ✓ AI Agents & Agentic Workflows LangGraph/LangChain agents with tool calling, memory, API integrations, human approval flows, structured outputs, and workflow automation. ✓ RAG Systems & Knowledge Assistants RAG over PDFs, Excel files, websites, internal docs, databases, CRMs, support tickets, and knowledge bases with vector search, hybrid retrieval, reranking, citations, and metadata filtering. ✓ AI Chatbots & Customer Support Agents AI chatbots for SaaS, e-commerce, healthcare, finance, education, and internal operations with retrieval, SQL/database lookup, intent classification, escalation flows, guardrails, and analytics. ✓ Document AI & Data Extraction OCR and structured extraction using AWS Textract, AWS Bedrock, OpenAI, S3, validation logic, custom schemas, and human review workflows. ✓ AWS AI / Cloud Architecture Scalable AI platforms using AWS Bedrock, SageMaker, Lambda, ECS/Fargate, EKS, Step Functions, S3, RDS/PostgreSQL, OpenSearch, DynamoDB, API Gateway, and Terraform. ✓ Full-Stack AI SaaS Development End-to-end AI products using FastAPI, Python, Node.js, Next.js, React, PostgreSQL, MongoDB, Redis, Docker, Kubernetes, Supabase, Stripe, and CI/CD. 𝐂𝐎𝐑𝐄 𝐒𝐓𝐀𝐂𝐊: ► AI / LLMs: OpenAI, GPT-4/4o, Claude, Gemini, AWS Bedrock, LLaMA, Mistral, LangGraph, LangChain, LlamaIndex ► RAG / Search: pgvector, Qdrant, Pinecone, ChromaDB, OpenSearch, Elasticsearch, hybrid search, reranking, citations ► Backend: Python, FastAPI, Django, Flask, Node.js, Express.js, NestJS ► Frontend: Next.js, React, TypeScript, TailwindCSS ► Cloud / DevOps: AWS, GCP, Azure, Docker, Kubernetes, ECS, EKS, Lambda, Step Functions, Terraform, CI/CD ► Databases: PostgreSQL, MongoDB, Redis, MySQL, DynamoDB, Neo4j, Memgraph ► Voice AI: Whisper, Deepgram, LiveKit, WebRTC, STT/TTS pipelines ► LLMOps: Langfuse, LangSmith, eval pipelines, latency monitoring, cost tracking, output validation 𝐁𝐄𝐒𝐓 𝐅𝐈𝐓 𝐏𝐑𝐎𝐉𝐄𝐂𝐓𝐒 I am a strong fit if you need: • A production RAG system, not a basic chatbot • An AI agent that uses tools, APIs, memory, and workflows • An AWS-based AI platform or document processing pipeline • A full-stack AI SaaS MVP with backend, frontend, database, and deployment • AI chatbot development with retrieval, guardrails, analytics, and escalation flows • LLM evaluation, citations, tracing, latency optimization, and production reliability Invite me to your project if you need a senior AI engineer who can own the architecture, backend, cloud deployment, and production reliability of your AI system.

An energetic and self-motivated Software Developer having 7 years of development experience with Agile projects & SPA applications. I have built high speed & scalable web and mobile applications for SaaS, Product base, B2B and B2C business models using TypeScript/JavaScript, Angular, Ionic, React and Node.js. I have great expertise in; - Design patterns, architecture designs and CI/CD processes - Tenacious technical problem solving skills - Good communication skills - 100% responsive designs using Illustrator, Photoshop, Figma, Html5/CSS3, SCSS, Bootstrap, Tailwind, PrimeNG and Material UI - Vanilla JavaScript development using HTML5/CSS3, Gulp - Angular development using CLI, Rxjs, Ngrx, Webpack, NPM, Jest, Karma, Jasmine, NPM - React development using react-create-app, MobX-State-Tree, Redux, WebPack - Native mobile app development using Ionic CLI, Capacitor, Cordova and Native APIs - API development using Node.js, ExpressJs, .Net Core, TypeORM and GraphQL - Socket based programming using Socket.IO - Automatic Deployments on Azure/AWS using Pipelines - Code management using Github, Gitlab, Azure and Bitbucket - Task management on Agile projects using JIRA, Trello and Azure - Extensive experience of working with version control, build tools, code-quality, testing tools and Docker Moreover, along with the vast exposure of SQL Server and PostgreSQL, I have hands-on experience with NoSQL databases like MongoDB, Firebase, Redis, SQLite and Elasticsearch. In addition, I have worked on various third party APIs integrations like Twillio, SendGrid, Facebook, Google, Sentry, RASA Chatbot and Stripe. Much of my experience comes from working for various clients, mainly from US, Canada, and Europe. I helped them developing solutions that can meet their business requirements. Always looking for interesting projects and will be happy to discuss your ideas and propose you the technical implementation for them.

🏆 Top Rated Plus · $1M+ Earned · 70+ Products Shipped · 12+ Years of Full-Stack Experience ⚡ Specialized in SaaS Products · React / Node.js · Ruby on Rails · AI Integrations Most clients come to me after a frustrating experience. A product that couldn't scale, a developer who vanished mid-project, or a codebase that became a liability instead of an asset. Over 12+ years of full-stack product engineering, I've helped startups, SaaS companies, and growing businesses architect, build, and scale production-grade web applications designed for long-term growth, not just launch. That track record is reflected in $1M+ earned, Top Rated Plus status, and client partnerships built on reliability, ownership, and strong engineering execution. I’ve worked on platforms serving thousands of users across multiple industries including 𝗜𝗭𝗘𝗔 (MarTech SaaS), 𝗜𝘁𝘀𝗮𝗖𝗵𝗲𝗰𝗸𝗺𝗮𝘁𝗲 (RestaurantTech & Hospitality SaaS), 𝘅𝗶𝗤 (AI-powered B2B SaaS), 𝗔𝗹𝗹𝗼𝗰𝗮𝘁𝗼𝗿 (FinTech), 𝗔𝗹𝗼𝘀𝗮𝗻𝘁 (PropTech), 𝗧𝗲𝗮𝗰𝗵𝗲𝗿𝘆 (EdTech), 𝗔𝘂𝘁𝗵𝗼𝗿𝗶𝘂𝗺 (GovTech SaaS), and 𝗣𝗼𝘀𝘁𝗺𝗼𝗱𝗮 (E-Commerce & RetailTech). I work with founders and product teams that need a senior engineering partner capable of owning the full software lifecycle, from product planning and system architecture to development and AI integrations, testing, deployment, scaling, and ongoing optimization. 𝗪𝗵𝗮𝘁 𝗜'𝘃𝗲 𝗕𝘂𝗶𝗹𝘁 → Built and shipped 𝟳𝟬+ 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝘀 including MVPs, enterprise-grade applications built from scratch, and large-scale legacy modernizations. I know where the hard parts are before we hit them. → I've built SaaS, fintech, and e-commerce products end-to-end, including CRMs, ERPs, AI-powered platforms, B2B marketplaces, payment platforms, LMS platforms, analytics dashboards, workflow automation platforms, and internal tools. 𝗛𝗼𝘄 𝗜 𝗕𝘂𝗶𝗹𝗱 → I build with ownership beyond implementation by identifying architectural risks early, making pragmatic technical decisions, and keeping engineering aligned with your product roadmap and business goals. → I use 𝐂𝐮𝐫𝐬𝐨𝐫 and 𝐂𝐥𝐚𝐮𝐝𝐞 in my development workflow to accelerate development while maintaining production-grade quality, testing standards, and maintainability. → AI integrations are now a core part of how I build products. I've shipped LLM-powered features, RAG pipelines, semantic search, and AI copilots into production applications that reduced manual workflows by 𝟑𝟎–𝟒𝟎%. → I architect scalable systems across multi-tenant architecture, RBAC, API integrations, background processing, and deployment pipelines. → I solve production-scale engineering challenges across cloud infrastructure bottlenecks, performance degradation, reliability gaps, and long-term scalability before they become business problems. 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝘁𝗮𝗰𝗸 → Languages: Ruby · JavaScript / TypeScript · Python → Backend: Ruby on Rails · Node.js (Express.js, NestJS) · Sidekiq · Kafka · RabbitMQ · BullMQ · WebSockets → Frontend: React.js · Next.js · Vue.js · Angular · Redux · Tailwind CSS · Material UI → APIs & Integrations: RESTful APIs · GraphQL · Third-Party Integrations → Databases & Search: PostgreSQL · MySQL · MongoDB · Redis · Elasticsearch · DynamoDB · Firebase → Cloud & DevOps: AWS (EC2, S3, RDS, Lambda, EventBridge) · Docker · GitHub Actions · CI/CD · Heroku · DigitalOcean · Azure → Architecture: Multi-Tenant SaaS · Microservices · Modular Monolith · Event-Driven Systems · Domain-Driven Design → Testing: RSpec · Jest · Cypress · Pytest · TDD / BDD → Security & Compliance: OAuth 2.0 · JWT · SSO · HIPAA · GDPR → Payments: Stripe · PayPal · Razorpay · PCI-Compliant Systems 𝗔𝗜 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀 & 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 → LLM-powered assistants, copilots, and chat systems using OpenAI, Claude, Gemini, and LLaMA → RAG pipelines, document intelligence, vector databases, and semantic search that make product knowledge queryable through AI → Workflow automation and AI-driven interfaces embedded into SaaS dashboards and internal tools → LangChain orchestration, embeddings, and API integrations built as scalable, production-ready systems, not proof of concepts 📞 𝙍𝙚𝙖𝙙𝙮 𝙩𝙤 𝙗𝙧𝙞𝙣𝙜 𝙮𝙤𝙪𝙧 𝙞𝙙𝙚𝙖 𝙩𝙤 𝙡𝙞𝙛𝙚 𝙖𝙣𝙙 𝙥𝙧𝙤𝙥𝙚𝙡 𝙮𝙤𝙪𝙧 𝙗𝙪𝙨𝙞𝙣𝙚𝙨𝙨 𝙛𝙤𝙧𝙬𝙖𝙧𝙙? Whether you’re launching an MVP, modernizing a legacy system, or enhancing your platform with AI-driven features, I can turn your vision into a high-performing, scalable, and technically robust solution. 💬 Send me a message or invite on Upwork to discuss your project and get started.