SQL Developers for hire in Sweden
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An database idiot that love TSQL and clustering, mainly SQLServer and tons of integrations. Have been working with SQLServer for over 25 years now (SQL7,0)An database idiot that love TSQL and clustering, mainly SQLServer and tons of integrations. Have been working with SQLServer for over 25 years now (SQL7,0) less
Hire PelleWidell
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I am a skilled Full-Stack Developer with over 15 years of experience in creating dynamic, scalable, and user-friendly applications. My expertise spans a variety of technologies, including React, React Native, Python, LangChain, PromptEngineering, Node.js, Laravel, Next.js, JsSIP, WebRTC, Asterisk and FreePBX....I am a skilled Full-Stack Developer with over 15 years of experience in creating dynamic, scalable, and user-friendly applications. My expertise spans a variety of technologies, including React, React Native, Python, LangChain, PromptEngineering, Node.js, Laravel, Next.js, JsSIP, WebRTC, Asterisk and FreePBX. Delivering seamless, real-time, cross-platform solutions. Highlights of my experience include: > - Implemented real-time communication systems with WebRTC for applications similar to WhatsApp. > - Developed a scalable chatbot using LangChain and GPT LLM with FastAPI, delivering contextual and accurate responses for seamless user interactions. > - Developed end-to-end applications with React Native CLI, Expo, and Firebase. > - Designed scalable backend systems using Node.js and Laravel. > - Built an operational contact center by integrating Asterisk, FreePBX, and VoIP technologies. **Primary Skills**: - Full-Stack Development - React.js, React Native, Next.js - Node.js, Laravel - Python, LangChain, LLMs - WebRTC, Asterisk, FreePBX - JavaScript, TypeScript, Python - PostgreSQL, MySQL - AWS (S3, EC2, Lambda, Amplify) **Other Skills**: - VoIP Systems - Prompt Engineering - REST API Development - Firebase, Expo, Redux - Frontend Development - Mobile App Development **Portfolio:** 1. **Real-Time Communication System** - **Description**: Built a WebRTC-based VoIP system with JsSIP, RNCallKeep, and Asterisk, providing real-time communication for web and mobile platforms. - **Technologies**: WebRTC, JsSIP, RNCallKeep, Asterisk, FreePBX, React Native, Firebase. 2. **AI-Driven Mood Analysis App** - **Description**: Developed "MoodChat," an AI chatbot for analyzing emotions through sentiment analysis, tailored for ADHD management. - **Technologies**: React Native, Python, LangChain, Firebase, Prompt Engineering, Expo. 3. **Imarat Client Portal** - **Description**: Revamped a real estate client portal to improve user experience and backend functionality. - **Technologies**: React.js, Node.js, PostgreSQL. 4. **E-Commerce Platform** - **Description**: Designed a scalable multi-vendor e-commerce platform with a React.js frontend and a Laravel backend. - **Technologies**: React.js, Laravel, Stripe API, AWS. 5. **VoIP Contact Center** - **Description**: Created a fully functional contact center using FreePBX and Asterisk, integrated with React Native and Firebase for real-time communication. - **Technologies**: Asterisk, FreePBX, WebRTC, React Native, Firebase. less
Hire vky84
