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Yurii K.
$40/hr
100% Job Success
$80K+ earned
Available now
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Python Django full stack developer specializing in SaaS MVPs and fintech platforms - 14 production-ready SaaS MVPs delivered in 4 to 6 weeks across fintech, expense management, and AI-powered web applications. I build scalable web applications that go from idea to working product fast: Django REST databases, and OpenAI API integrations. My focus is on clean architecture that's easy to maintain and extend - not overengineered, not held together with duct tape. My core work covers full stack SaaS development from MVP to production, multi-tenant SaaS architecture, Django and FastAPI backends with role-based access and authentication, subscription and payment integration, React and Node.js frontends, AI integrations using OpenAI API and Google Document AI, and cloud infrastructure on AWS with Docker. How I work: I start by mapping exact requirements and proposing a tech stack that fits your timeline and budget. I move fast, communicate clearly, and deliver working software - not just code. Every project includes documentation and handover so your team can take ownership after launch. Recent work: Built an AI-powered check scanning feature for Spendbase, a B2B expense management SaaS platform based in Delaware. Using Python and Google Document AI, we automated data extraction from paper checks and integrated it into their existing expense workflow - delivered on a tight deadline with full documentation and zero disruption to the live platform. If you need a production-ready SaaS MVP, a Django backend with AI integration, or a reliable Python full stack partner for the long term, let's talk.
Inspirit Dev
Associated with
Inspirit Dev
$100K+
earned
Vad M.
$40/hr
100% Job Success
$1M+ earned
Offers consultations
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Live Video App Development, AI App Development, MVP Development, Video Surveillance, WebRTC & Live Streaming. I help founders and product teams plan, scope, and deliver production-grade video and AI applications with Fora Soft’s senior engineering team. My focus is discovery, product requirements, technical scoping, architecture planning, delivery coordination, and client communication. The engineering work is handled by Fora Soft’s specialized developers, architects, QA engineers, and project managers. Backed by Fora Soft: $10M+ earned on Upwork, 914 jobs, 401K+ hours, and 250+ projects since 2005. 𝗪𝗵𝗮𝘁 𝗜 𝗖𝗮𝗻 𝗛𝗲𝗹𝗽 𝗬𝗼𝘂 𝗕𝘂𝗶𝗹𝗱 – Live video apps, WebRTC platforms, streaming products, webinars, broadcasting, IPTV/OTT – AI video apps: object detection, facial analysis, emotion AI, speech-to-speech translation, captions, LLM assistants – Video surveillance and IP camera platforms: multi-camera ingestion, mobile-as-camera, smart analytics, Smart TV apps – VoIP, UCaaS, SIP, LiveKit, Twilio, Telnyx, FreeSWITCH, real-time communication systems – MVPs, rescue projects, architecture reviews, and modernization of existing systems 𝗥𝗲𝗰𝗲𝗻𝘁 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗘𝘅𝗮𝗺𝗽𝗹es → Nucleus – secure UCaaS platform by Fibernetics, a Canadian telecom serving 300K+ customers and 5,000+ businesses. Fora Soft worked on iOS and platform delivery for WebRTC + SIP audio/video, real-time voice workflows, CRM/ERP integrations, and enterprise-grade communication features. Project volume: $285K+ combined. → TransLinguist – real-time AI interpretation platform for video calls. The platform supports interpretation workflows across 75+ languages, certified interpreter operations, AI speech-to-speech features, and live captions. → Doorbell App – LiveKit SIP-to-WebRTC bridge for smart intercoms. Video and audio from SIP intercoms to a mobile app, low-latency media through LiveKit, and DTMF-based remote door opening. → EmoProof – on-device emotion AI for iOS using Core ML. Real-time facial emotion and voice sentiment analysis on the phone, with privacy-focused processing and journal-style trend stats. 𝗪𝗵𝗲𝗿𝗲 𝗙𝗼𝗿𝗮 𝗦𝗼𝗳𝘁 𝗜𝘀 𝗦𝘁𝗿𝗼𝗻𝗴𝗲𝘀𝘁 – Live streaming & WebRTC: low-latency broadcasting, webinars, multi-camera apps, IPTV/OTT – Video surveillance: IP cameras, mobile-as-camera, smart analytics, Smart TV apps – Real-time AI/ML on video: OpenCV, YOLO, facial analysis, object detection, speech AI, captions – Mobile live video: iOS, Android, React Native, AVFoundation, Camera2 – VoIP & UCaaS: SIP, FreeSWITCH, LiveKit, Telnyx, Twilio, high-load communication systems 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 𝗢𝘂𝗿 𝗧𝗲𝗮𝗺 𝗪𝗼𝗿𝗸𝘀 𝗪𝗶𝘁𝗵 ◆ Frontend: React, Next.js, Vue, Angular, TypeScript ◆ Backend: Node.js, NestJS, Python / FastAPI, Go, PHP / Laravel ◆ Video: WebRTC, LiveKit, Wowza, Kurento, MediaSoup, Janus, Jitsi, Agora, FFmpeg, GStreamer, HLS/DASH, RTMP/RTSP, SIP, FreeSWITCH, Telnyx, Twilio ◆ AI/ML: OpenAI API, Claude, Whisper, TensorFlow, PyTorch, OpenCV, YOLO, Azure AI Face, Deepgram ◆ Mobile: Swift, Kotlin, React Native, ARKit, ARCore, AVFoundation, Camera2 API ◆ Databases & Infrastructure: PostgreSQL, MongoDB, Redis, Elasticsearch, AWS, GCP, Docker, Kubernetes, NGINX, CI/CD 𝗪𝗵𝘆 𝗙𝗼𝗿𝗮𝗦𝗼𝗳𝘁 Fora Soft is a specialized video, WebRTC, and telecom software team with: – $10M+ earned on Upwork – 914 Upwork jobs – 401K+ hours – 250+ projects since 2005 – 400+ clients across 17+ countries – Deep experience in live video, streaming, VoIP, AI video, and real-time communication Send me a message or invite me to your job. I’ll review your idea, ask the right scoping questions, and suggest the best next step: discovery, audit, MVP planning, or full development.
Fora Soft LLC
Associated with
Fora Soft LLC
$10M+
earned
Mubeen R.
$25/hr
100% Job Success
$400K+ earned
Available now
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𝟏𝟎 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐩𝐫𝐨𝐯𝐞𝐧 𝐝𝐞𝐥𝐢𝐯𝐞𝐫𝐲, 𝟏𝟎𝟎% 𝐬𝐮𝐜𝐜𝐞𝐬𝐬 𝐫𝐚𝐭𝐞, 𝐚𝐧𝐝 𝐭𝐫𝐮𝐬𝐭𝐞𝐝 𝐛𝐲 𝟏𝟎𝟎+ 𝐔𝐒 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐰𝐡𝐨 𝐜𝐚𝐧 𝐩𝐞𝐫𝐬𝐨𝐧𝐚𝐥𝐥𝐲 𝐯𝐨𝐮𝐜𝐡 𝐟𝐨𝐫 𝐦𝐲 𝐰𝐨𝐫𝐤. Hi this is Mubeen Raza, I help startups and teams build scalable SaaS platforms, mobile applications, and integrate AI-powered automation to streamline operations, reduce overhead, and focus on growth. I specialize in delivering production-ready web apps and mobile products powered by React, Node.js, Supabase, and GPT-4/LLMs. Have a look at my core services. 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐒𝐚𝐚𝐒 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & 𝐌𝐕𝐏𝐬 - Custom SaaS platforms using React, Next.js, Node.js, FastAPI, Supabase, PostgreSQL - End-to-end MVP builds: from idea to launch-ready product in 4–6 weeks - Features include: Multi-tenant auth, Stripe payments, user dashboards, real-time data, notifications - Built for investor demos, early traction, and scalable growth 𝐀𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 & 𝐖𝐨𝐫𝐤𝐟𝐥𝐨𝐰 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 - GPT-4 / ChatGPT copilots for internal ops, support, content, and analytics - n8n / Make / Zapier workflows: CRM sync, lead scoring, Slack/email triggers, custom bots - LangChain & RAG pipelines: smart document Q&A, AI knowledge bases, autonomous agents - Integration of OpenAI, Claude, Anthropic into real business ops 𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐂𝐥𝐨𝐮𝐝 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞 I build scalable backends and cloud deployments designed for speed, reliability, and growth. - API-first backend development with REST/GraphQL, webhooks, real-time sync, Supabase functions, and database design - CI/CD and cloud deployment using Vercel, Railway, or Docker with GitHub Actions, monitoring, and secure production workflows 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 - Cross-platform mobile apps using React Native for iOS and Android - Native iOS app development using Swift and Objective-C - Mobile apps with real-time features, API integrations, push notifications, and scalable backend connectivity - Clean, responsive UI focused on performance, usability, and native-like experience 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝐈’𝐯𝐞 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐞𝐝 𝐀𝐈 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 𝐈𝐧 • IT Service Management (ITSM) – AI copilots & workflow automation • Human Resources (HR) – AI-driven recruitment & employee management • Legal Tech – Contract review automation & compliance copilots • Construction & Real Estate – Project management platforms & property apps • Healthcare – Patient management & telehealth solutions powered by AI • Social & Community Platforms – Engagement-driven mobile apps • E-commerce & Food Delivery – Ordering, logistics, and last-mile automation 𝐓𝐡𝐞𝐫𝐞 𝐚𝐫𝐞 𝐫𝐞𝐚𝐬𝐨𝐧𝐬 𝐲𝐨𝐮 𝐥𝐨𝐯𝐞 𝐭𝐨 𝐰𝐨𝐫𝐤 𝐰𝐢𝐭𝐡 𝐦𝐞: • Top Rated Plus Freelancer on Upwork • 130+ projects delivered, including AI copilots, SaaS tools & automations • MVPs I've built have helped clients raise millions in funding • Proven delivery in async workflows with proactive communication • Trusted by founders, product teams & growth-stage startups • Strong experience across web, backend, AI, and mobile app delivery • Focused on business outcomes, clean architecture, and long-term scalability 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬 • Enterprise Copilot - AI assistant for enterprise workflows and automation • uCaptureIT - AI capture management platform for federal contractors • ConvertAI - AI content engine for inbound growth workflows • Sales Call Analysis Platform - AI sales QA and coaching system • Landwise NWA - AI property insights and reporting platform • Insight Copilot - AI analytics assistant for enterprise data • ChangeCurve - AI change management platform for enterprises • SwiftSales - AI CRM automation and lead workflow platform • Tensai Run - RAG-based AI writing assistant platform • Swivu - Construction project management platform for field teams • DIY Medicine - AI health knowledge platform with multimodal support • Estate Planning Solution - Digital estate planning and document platform • Fishfin - Social fishing app with bookings and community • Y Drive - Ride-hailing and fleet management mobile app Let’s build your next AI-powered system, GPT-4 automation, mobile app, or SaaS platform. I offer a free consultation to discuss your goals, suggest tech stack options, and map the next steps.
Oleksandr V.
$32/hr
100% Job Success
$200K+ earned
Available now
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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.
SIA "Snotor"
Associated with
SIA "Snotor"
$300K+
earned
Hassaan E.
$25/hr
100% Job Success
$70K+ earned
Available now
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🏅 Top Rated Plus | 100% Job Success | 🚀 7+ years shipping production software Your team is burning $50K–$500K a year on work AI should already be doing. I build the systems that reclaim it: I pinpoint the waste, automate it, and ship it to production. Not prototypes, not demos, real systems running 24/7. I'm an AI Developer and AI-powered Full Stack Engineer with a strong machine learning foundation, and I lead a team that takes extreme ownership of what we ship. As an AI Developer, I take projects from idea to production: AI architecture, AI agents, agentic workflows, and RAG pipelines, grounded in real machine learning rather than wrappers. As a Full Stack and Web Developer, I build the product around them in React, Node, and Python. And as an AWS architect, I deploy and harden everything with observability, security, and cost optimization, so you get an AI system that ships fast and runs reliably in production. 🐾 Pet Health Care System — AI-native OS for vet hospitals; unifies scheduling, records, billing, imaging across 6–12 tools. Targets 40% of a vet's day lost to paperwork, $50K–$100K/yr no-show losses, 8–12% of procedures never invoiced. Built with Next.js, NestJS, PostgreSQL, Python AI, AWS. 🏨 Hotelly — All-in-one hotel ops platform: CRM, billing, tasks + Apple TV (tvOS) in-room entertainment. 70–95% less manual reset effort, 50–80% faster provisioning, 60–90% less admin time. Built with React, React Native, Node.js, PostgreSQL, AWS by AI Developers. 📄 DocuPulse — AI document intelligence inside Excel for finance & compliance teams. Processing 5–10 min → under 1 sec, 94% cost reduction, 88–99% accuracy. Built with React, Node, ElasticSearch, AWS. 🪟 Fenestra — AI order intelligence turning WhatsApp/emails into error-free POs in under 60 sec across 25,000+ SKUs. Live inventory checks, accurate orders before dispatch. Built with Next.js, NestJS, PostgreSQL, LangChain, Claude. 🛒 Smart Shop AI — Ecommerce intelligence unifying Shopify, Google Ads & Meta with a conversational AI analyst. Real-time insights, anomaly alerts, campaign recommendations. Built with NestJS, React, PostgreSQL, LangChain. ✅ AI Agents & Agentic AI: As an AI Developer and agentic AI developer, I design AI agents and multi-agent systems that run agentic workflows across LangGraph, CrewAI, n8n, and Zapier, designed to scale operations without adding headcount. ✅ AI Voice & AI Chatbots: I build voice AI agents and conversational AI on the OpenAI Realtime API, LiveKit, ElevenLabs, Deepgram, and Whisper, plus WhatsApp, Telegram, and web chatbots wired to real business logic. ✅ RAG & LLM Engineering: I build hallucination-resistant RAG pipelines in Python over Pinecone, Weaviate, Qdrant, ChromaDB, LanceDB, and Amazon OpenSearch, using hybrid search, re-ranking, chunking, and embeddings. ✅ AI Orchestration: I orchestrate LLM applications in Python with LangChain, LangGraph, and LlamaIndex, connecting the OpenAI API, Anthropic Claude (Sonnet, Opus, Haiku), AWS Bedrock, and Vertex AI through MCP servers, function calling, and structured outputs. ✅ Machine Learning & Data Science: As a machine learning engineer working alongside data scientists, I take models across the full lifecycle, from data pipelines and feature engineering to training, evaluation, and deployment. ✅ Document Intelligence: I turn documents into answers with PDF parsing, OCR, and document Q&A over knowledge bases and ERP integrations. ✅ Prompt Engineering: I engineer reliable model behavior through system prompt architecture, chain-of-thought, and prompt chaining, then harden it with prompt optimization, evals, and guardrails. ✅ Generative AI Models: I work across GPT-4o, GPT-4 Turbo, o1, and o3, Claude Sonnet, Opus, and Haiku, Gemini 1.5 and 2.0, LLaMA, Mistral, and Whisper, picking the right model for each job. ✅ Full Stack & Web Development: As a full stack developer, web developer, and Python developer, I build full stack apps with React, Next.js, TypeScript, and Tailwind CSS on the front end, and Node.js, NestJS, Express, and Python (FastAPI, Django, Flask) on the back end, including work as an AI website developer and app developer building AI web apps around real product logic. ✅ AWS Architecture & Cloud: As an AWS cloud architect and AWS solutions architect, I handle AWS architecture end to end, deploying on AWS using Lambda, EC2, ECS, EKS, Fargate, S3, RDS, Aurora, DynamoDB, SQS, SNS, EventBridge, CloudFront, API Gateway, VPC, IAM, KMS, WAF, and Secrets Manager. AWS Certified Cloud Practitioner. ✅ No-Code & Workflow Automation: As an Airtable developer, I connect tools like Airtable, n8n, Zapier, and Make into automated workflows that move data and trigger actions automatically. ✅ Integrations: I connect products to the tools businesses already run, including Stripe, HubSpot, Salesforce, NetSuite, Plaid, Yodlee, HL7/FHIR, Slack, MS Teams, and WebRTC. 📩 Send me your project brief. I'll reply within 2 hours with a concrete action plan.
DiveScale
Associated with
DiveScale
$10K+
earned
Ali A.
$35/hr
100% Job Success
$200K+ earned
Available now
Offers consultations
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I’m a Senior AI Engineer & Backend Architect with 10+ years of experience building AI-powered products, SaaS platforms, internal AI tools, and automation systems for startups and established companies. 🔹 AI Agents & AI Automation I design and ship custom AI agents and autonomous workflows that solve real business problems—not demos. This includes: AI agents for internal tools, operations, code analysis, support, and decision-making AI workflow automation replacing manual processes with LLM-driven systems Custom AI chatbots and assistants using OpenAI, ChatGPT, and Claude APIs Multi-agent architectures using LangChain and LangGraph I build systems that reason, retrieve context, take actions, and integrate directly into real products. 🔹 LLM Engineering & RAG Systems I specialize in LLM engineering and Retrieval-Augmented Generation (RAG) for production use cases. Typical implementations include: OpenAI / ChatGPT / Claude API integrations Vector databases: Pinecone, Weaviate, Qdrant, FAISS Semantic search, document intelligence, and private knowledge bases Secure, scalable enterprise AI systems All systems are built with performance, cost control, and reliability in mind. 🔹 Backend Engineering (AI-First) My backend work powers AI products at scale. Primary stacks: Python / FastAPI – AI microservices, async APIs, model orchestration Ruby on Rails – B2B SaaS, multi-tenant platforms, billing, background jobs Node.js / NestJS – TypeScript-based enterprise APIs, event-driven systems Laravel – Dashboards, CRMs, internal tools, API-driven backends I build clean, scalable APIs and system architectures that support real growth. 🔹 AI SaaS & Full-Stack Delivery I deliver end-to-end AI SaaS products, not just isolated features. Frontend experience includes: React + TypeScript, Next.js (App Router & Server Components) Tailwind, Zustand, Redux Vue & Angular for structured enterprise interfaces From idea → architecture → development → deployment, I handle the full lifecycle. 🔹 AI DevOps & Deployment I deploy production AI systems, not prototypes. Experience includes: Docker, Kubernetes GitHub Actions, GitLab CI (CI/CD automation) AWS, GCP, Azure Scalable cloud architecture for AI workloads and LLM-based systems 🔹 Why Clients Hire Me Strong AI engineering + backend architecture combination Real-world experience with AI agents, AI automation, and AI SaaS Fast delivery using modern AI-assisted workflows Clear communication and production-ready execution If you’re looking for an AI engineer, AI agent developer, or AI automation specialist who can build scalable, real-world systems—not experiments—I’d be glad to help. Best regards, Ali Ahmed
A3techverse
Associated with
A3techverse
$40K+
earned
$50/hr
100% Job Success
$200K+ earned
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Full Stack Developer | SaaS & MVP specialist. Backed by 20+ years building scalable web apps with React, Node.js & .NET for startups and product companies. I work with founders and product teams from day one – helping them validate ideas, build MVPs, and scale into production-ready platforms. My focus is not just clean code, but business outcomes: faster time-to-market, stable architecture that scales, and features that users actually need. Behind every engagement is a 330+ engineer team covering full-cycle product development – frontend, backend, cloud, DevOps, QA, and AI integration – so you never hit a skills gap mid-project. 💡 Case Studies 🚛 MyCarrierTMS (Logistics SaaS, USA) – Built a transportation management platform from MVP to enterprise-grade product. Delivered real-time rate comparison, automated shipment tracking, and third-party API integrations (project44, Stripe, Recurly). Team scaled from 5 to 25 engineers as the product grew. Stack: Angular · .NET · TypeScript · Azure · MongoDB Result: 99.97% availability · $36.8M total funding · FreightWaves FreightTech 25 Award · #1-rated TMS on G2. ⚖️ Denbeaux (LegalTech, USA) – Built a web platform that fully automated fraud case outreach for a US-based law firm. Replaced a manual Excel-based workflow: the system now retrieves legal case data, enriches it, generates personalized PDF letters, and dispatches physical mail – all automatically. Stack: .NET 8 · Angular 16 · AWS · PostalMethods API Result: 800x time savings – from 69 hours of manual work to 5 minutes · seamless expansion to new case types without additional development. 💰 LimpidMarkets (FinTech, London/Zurich OTC) – Took over and scaled a real-time precious metals exchange platform for interbank markets. Delivered real-time price synchronization, customized order visibility, and banking API integrations while maintaining compliance with finance industry regulations. Stack: React · Redux · Node.js · Elixir · Symfony · AWS Result: 40% client business growth · 24/7 availability across all time zones · user base includes Deutsche Bank, Citibank, Morgan Stanley, BNP Paribas. 🏥 Flexwise Health (HealthTech SaaS, USA) – Evolved an on-demand hiring platform for nurses into a full clinic staff management system. Refactored monolith into microservices, integrated AI-powered workload prediction, and ensured seamless EMR system integrations. Stack: React · TypeScript · Node.js · Nest.js · MongoDB · AWS Lambda Result: $6M in funding raised · acquired by Aya Healthcare · increased platform stability and scalability throughout rapid growth. 🌐 Frontend React · Redux · Angular · TypeScript · Next.js · Vue.js ⌨️ Backend Node.js · Nest.js · .NET · Symfony · Elixir · REST & GraphQL APIs 🗄️ Databases MongoDB · PostgreSQL · MySQL · Azure SQL · Redis · Elasticsearch ☁️ Cloud & Infrastructure AWS (Lambda, EKS, RDS, S3, CloudFront) · Azure · Docker · Kubernetes 🤖 AI Integration OpenAI API · ChatGPT integration · AI-powered workflow automation LLM-based data processing · AI workload prediction · Intelligent automation 💳 Third-Party & Payments Stripe · Recurly · project44 · Banking APIs · PostalMethods EMR/EHR systems · Custom REST API development Why teams choose us: ✅ Full product lifecycle – from discovery and architecture to deployment and long-term maintenance ✅ 330+ engineers across frontend, backend, DevOps, QA, and AI – no skills gaps mid-project ✅ 2,250+ delivered projects across FinTech, HealthTech, LegalTech, Logistics, and B2B SaaS ✅ We've supported products through multiple funding rounds – we know what investor-ready architecture looks like ✅ GDPR-compliant development · EMR/EHR integration experience · finance industry compliance Ready to build your SaaS product or scale an existing platform? Send me a message – I'll respond within a few hours with a clear assessment and a proposed first step. [Updated: April 2026]
IT CRAFT YSA GMBH
Associated with
IT CRAFT YSA GMBH
$4M+
earned
Oleksandr K.
$30/hr
99% Job Success
$2M+ earned
Available now
Offers consultations
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🔥I help startups and growing businesses build fast, scalable web and mobile apps using Python, Laravel, React Native, and React. I work as a full stack developer who can take a product from idea to production with clean code and predictable delivery. If you need a reliable web developer for modern UI work and a strong mobile app developer for iOS/Android builds, I can cover both while staying hands-on as a full stack developer focused on performance, UX, and maintainability. I’ve delivered solutions for founders who need speed now and stability later, and I communicate clearly at every step.🔥 🚀I also lead a web development team, Join.To.IT from Kyiv, Ukraine as co-founder and CEO. We have multiple Laravel developers (Senior PHP and Custom PHP MySQL), Python (Django), and JavaScript (React, Vue, React Native) developers. If your project needs a dedicated mobile app developer, we can staff that role quickly, while I stay involved as a full stack developer to keep architecture, delivery, and communication aligned. When the UI scope grows, a senior web developer can join the project while I remain the full stack developer responsible for end-to-end quality.🚀 I’m an experienced Laravel engineer, React engineer, Vue engineer, and React Native engineer with 14 years of production experience. As a full stack developer I can build backend APIs, admin panels, dashboards, and customer-facing apps, and as a web developer I pay attention to UI details that improve conversion and retention. I’ve completed a wide range of successful projects, from MVPs to large systems with long-term maintenance and continuous improvements. My skills: React React Native Software Architecture & Design Laravel Python Full-Stack Development API Development JavaScript PHP Web Application Development Node.js AWS Development MySQL Mobile App Development Django WordPress HTML5 Tailwind CSS Web Design API Integration Stack of technologies we use: ✅ HTML/CSS, Bootstrap, Tailwind ✅ JavaScript (React, Vue, Node.js, Express, AdonisJS, Nuxt) ✅ React Native for cross-platform mobile delivery ✅ API integrations (Stripe, PayPal, Twilio, TextMagic, Xero, DocuSign, Google Maps, Meta APIs, and more) ✅ API development (Laravel, Node/Express, Firebase, Python/Django, Go, REST, GraphQL) ✅ PWA (Progressive Web App) ✅ Databases: MySQL, PostgreSQL, MongoDB, DynamoDB, Elasticsearch ✅ Infrastructure: AWS, DigitalOcean, Firebase, Supabase ✅ DevOps and administration: LAMP, CentOS, Ubuntu As a full stack developer, I connect the front end, back end, and infrastructure so releases are smooth. When the scope includes native-like UX, I can collaborate with a mobile app developer without slowing down the API roadmap, and a web developer can refine UI flows while we keep the backend stable. You can hire me as a full stack developer for full ownership, or extend the team and keep me as the full stack developer leading architecture and delivery. If timelines are tight, add a mobile app developer to parallelize mobile features, and add a web developer to accelerate dashboards and front-end work. Our team has already worked in such industries as: ✅ Marketplace ✅ E-commerce ✅ Travel and Hospitality ✅ Custom ERP (Enterprise Resource Planning) ✅ ChatGPT integration (LLM model in your website front end) ✅ Automotive (car inspection, automotive ERP, car sharing, rental, selling) ✅ Social media (Tinder-like networks, short video platforms, communities) ✅ Sales (CRM systems for sales teams, retail, hospitals, sales departments) ✅ Sport (gym management systems, trainer platforms, fitness apps, club portals) ✅ Legal (document automation, AI-assisted legal processing) ✅ Healthcare (clinic management, booking, mental health software) ✅ Education (LMS, automated training, coaching marketplaces) ✅ Finance (fintech platforms, investment platforms, bank API integrations, calculators) ✅ Manufacturing (shop floor management and automation) ✅ Human resources (HRM systems) ✅ Digital marketing (Meta, Facebook/Instagram, TikTok, Google APIs, analytics) In our work history you’ll find successful products built with Laravel, PHP, JavaScript, MySQL, React, Vue, WordPress development, Web Development, Full Stack development and React Native, plus multiple systems built with Python (Django, Flask, FastAPI). I also use LLM capabilities and AI APIs (including OpenAI integrations) when they genuinely improve the product experience. We have 65 senior developers across PHP, JavaScript, MySQL, Python, Go, and Node.js. As a full stack developer, I can jump into an existing codebase, stabilize releases, fix bottlenecks, and plan the next iterations. Don't hesitate to get in touch with me for further details and fruitful work. Best regards, Oleksandr CEO, JoinToIT
Join.To.IT - Top Rated Plus Agency 🏅
Associated with
Join.To.IT - Top Rated Plus Agency 🏅
$9M+
earned
Nouman T.
$40/hr
100% Job Success
Available now
Offers consultations
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Are you struggling to scale your complex applications, integrate cutting-edge AI, or ensure your e-commerce platform performs flawlessly under pressure? With over 15 years of experience, I specialize in transforming these challenges into robust, high-performing solutions. I am a seasoned Full-Stack and AI/ML Architect, dedicated to building, scaling, and rescuing production systems across diverse industries. My expertise spans robust web application development, cloud-native infrastructure, and cutting-edge AI/ML solutions, ensuring performance, reliability, and scalability from MVP to enterprise-grade products. I excel in integrating complex systems, handling high-traffic APIs, and evolving products with measurable business outcomes. My work is production-grade, engineered for zero-failure environments, and focused on delivering tangible value. Proven Impact: • Accelerated product launch by 30% for a SaaS platform through optimized CI/CD pipelines and cloud infrastructure. • Reduced operational costs by 25% by implementing efficient microservices architecture and serverless solutions • Increased user engagement by 40% with AI-powered personalized features in an e-commerce application. • Successfully migrated a legacy system to a modern cloud-native stack, resulting in 99.9% uptime and improved maintainability. 𝐖𝐡𝐚𝐭 𝐈 𝐃𝐞𝐥𝐢𝐯𝐞𝐫: → SaaS Platforms & Complex Applications: Scalable multi-tenant systems for B2B SaaS, analytics, and automation. Subscription billing, access control, and audit trails for enterprise and FinTech products. Automation pipelines and API ecosystems designed for real-world scale. → E-commerce & CMS Engineering: Shopify apps, headless storefronts, and WooCommerce optimization for DTC and marketplace retailers. Checkout logic, subscription management, and funnels integrated with Stripe and PayPal. SEO-optimized, API-driven, high-conversion commerce systems. → 𝙁𝙞𝙣𝙏𝙚𝙘𝙝 & 𝘽𝙪𝙨𝙞𝙣𝙚𝙨𝙨 𝙄𝙣𝙩𝙚𝙜𝙧𝙖𝙩𝙞𝙤𝙣𝙨: Secure APIs for CRMs, payments, and reporting systems. OAuth2, GraphQL, and webhook orchestration. PCI-compliant reconciliation workflows and automated data integrity. → FinTech & Business Integrations: End-to-end Custom Generative AI systems using LLMs (OpenAI, Anthropic, Gemini), LangChain, and RAG pipelines. AI assistants, semantic search, NLP automation, and ML integrations embedded in SaaS ecosystems. Automated model deployment, data pipelines, and continuous training with AWS SageMaker, Docker, Kubernetes, and Terraform. Expertise in classification, regression, clustering, predictive analytics, and deep-learning models (CNN, RNN, LSTM) using TensorFlow, PyTorch, and Keras. →Cloud & DevOps Automation: Zero-downtime deployments on AWS, Azure, GCP, and containerized infrastructure. Kubernetes orchestration, Terraform IaC, CI/CD pipelines (Jenkins, GitHub Actions). Monitoring, cost optimization, and performance tuning via Datadog, Prometheus, and New Relic. 𝙏𝙚𝙘𝙝 𝙎𝙩𝙖𝙘𝙠 𝙀𝙭𝙥𝙚𝙧𝙩𝙞𝙨𝙚: React, Next.js, Vue, Angular, TypeScript, JavaScript, Tailwind, Bootstrap, Material UI, SSR/SSG, Redux, Zustand. Ruby on Rails ROR, Node.js (Express, Nest), Laravel, PHP, Python (Django, FastAPI), REST, GraphQL, WebSockets, background jobs (Sidekiq, BullMQ, Celery). PostgreSQL, MySQL, MongoDB, Redis, DynamoDB, Elasticsearch, OpenSearch, Pinecone, Weaviate, FAISS. CMS and eCommerce: WordPress, WooCommerce, Shopify, Shopify Plus, LearnDash, BuddyBoss Framer Figma Microservices, Modular Monoliths, Event-Driven Systems (Kafka, SQS, SNS, RabbitMQ), Multi-Tenant SaaS, Headless Commerce, API Governance. AWS (EC2, RDS, Lambda, S3, CloudFront, SES, SageMaker), GCP, Azure, Docker, Kubernetes, Terraform, Jenkins, GitHub Actions, CI/CD. OpenAI, LangChain, Hugging Face, TensorFlow, PyTorch, Keras, embeddings, RAG, NLP, semantic search, AI automation. Datadog, New Relic, Prometheus, Grafana, Sentry, OAuth2, OIDC, SAML, WAF, KMS encryption, rate limiting. Automation n8n make zapier 𝙒𝙝𝙮 𝙒𝙤𝙧𝙠 𝙒𝙞𝙩𝙝 𝙈𝙚? I offer a unique combination of deep technical expertise, end-to-end ownership, and a relentless focus on performance and reliability. My approach ensures that every project is executed with precision, transparency, and a commitment to delivering lasting value. Whether you’re launching a new SaaS, migrating a legacy system, integrating AI-powered features, or scaling your Machine Learning infrastructure, I’ll architect, automate, and deploy it cleanly, once, and built to last. I am always open to a real conversation about your project needs. 𝙎𝙚𝙚 𝙮𝙤𝙪 𝙞𝙣 𝙩𝙝𝙚 𝙘𝙝𝙖𝙩!
Cyber Nest
Associated with
Cyber Nest
Deepak  S.
$21/hr
100% Job Success
$40K+ earned
Available now
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With 18+ years of hands-on experience, I specialize in designing and building scalable, secure, and production-grade web & mobile applications for startups, enterprises, and growing businesses. I’ve worked across full product lifecycles, from idea validation and architecture to deployment, scaling, and long-term maintenance. Over the years, I’ve successfully delivered complex SaaS platforms, enterprise dashboards, marketplaces, AI-powered systems, ERP modules, and high-performance web applications. My strength lies in understanding business logic first, then building clean, scalable, and maintainable solutions. I don’t just build features, I help architect long-term products. Core Expertise: Full Stack Development - PHP, Node.js, Laravel, Nest.js, Express.js - React.js, Next.js, Angular, Vue.js - HTML5, CSS3, Tailwind, Bootstrap - TypeScript, JavaScript (ES6+) Database & Architecture - MySQL, PostgreSQL, MongoDB - Redis, Elasticsearch - Multi-tenant SaaS architecture - Microservices & API-first development Cloud - AWS (EC2, S3, Lambda, RDS, CloudFront) - DigitalOcean, VPS deployments - Docker, CI/CD, GitHub Actions - Performance optimization & scaling Mobile Development - React Native - Cross-platform mobile apps - API-driven mobile architectures API & Integration Expertise - REST APIs & GraphQL - Payment Gateways (Stripe, PayPal, etc.) - Third-party SaaS integrations - CRM, ERP, and Accounting integrations - AI & automation integrations Types of Applications I've Built: - SaaS Platforms - CRM & ERP Systems - AI-Powered Applications - Marketplace Platforms - Booking & Scheduling Systems - Financial & Accounting Systems - Real-time Chat Applications - Multi-tenant SaaS Platforms - Analytics Dashboards - Healthcare Platforms - EdTech Platforms - On-Demand Platforms - Property & Rental Platforms - E-commerce Platforms - Enterprise Internal Tools I focus on building production-ready systems, not quick temporary solutions. If you're looking for a senior developer who understands both technology and business, I’d be glad to collaborate.
Globiz Technology Inc
Associated with
Globiz Technology Inc
$6K+
earned