Hire the Best Backend Rest API Freelancers
in Tunisia
Sfax, Tunisia
API specialist. ๐ API Specialist ๐ PHP Vanilla I'm a Senior Web, Android Apps and Software developer with over 15 years of experience. ๐ Profile includes โ Web Development โ Software Development โ Android Apps Development โฎฉ Web Development: โ ReactJS, Wordpress REST API, Node.JS, Angular,, Laravel โ PHP, Wordpress, Woocommerce, Laravel, CodeIgniter โ Javascript, jQuery โ HTML5/CSS3, Bootstrap , Tailwind CSS โ MySQL, PostgreSQL, Mongodb โ APIs - Make.com, Facebook, X( previously Twitter), Google API, Google Maps, Google Analytics, Dropbox, Twilio, Slack/ OpenAI / Youtube and so much more โ Git โ AWS Lambda/ API Gateway / S3 / EC2 โ Python 3 โฎฉ Android App Development: โ Native Apps development : Android (Java) and Kotlin โ React Native Apps: โ Backend : AWS, XML/JSON, REST/SOAP โฎฉ Reasons to hire me โ I have over 15+ years of experience - You can review feedback of the work history on my profile โ I'm always learning and following latest development standards. I provide high quality and well tested products. โ I provide realistic deadlines that I always met. โ I work on both Linux I also test my work on Android phones. This way you can be sure that your website or app shall display properly on any device. โ I'm flexible with my working hours, because I'm a fulltime freelancer. โ I'm available on daily basis. You will know the current status of the job because I contact you with the updates frequently. โ I believe good communication is the key to successful project. That's why I always respond promptly. You may contact me UpWork Messages / Skype / Whatsapp / Email / Telegram / Zoom meetings for updates or more info โฎฉ Software Development โ Assembly X86 (Linux) NASM โ OS : Ubuntu / Linux based systems โ C โ C++ : 17/14/11/ โ Graphics QT & OpenGL โ ElectronJS โ Emacs LISP (ELISP) โ Python 3 ๐ Extensions โ Firefox โ Chrome ๐ Other general skills โ Linux / Ubuntu โ ElectronJS ๐ Result โ Clear code/ well styled upon my own or user preferred style (PSR 2.0, Symphony ...) โ Do my best to make it finished before Deadline โ Availability โ Open minded ๐ Things I share with all of these: โ Git โ Emacs as editor โ I am into Open Source โ I use Linux as OS I guarantee you these things: ๐๐๐ You'll always be happy with the end result ๐๐๐ Work will be done at time ๐๐๐ high quality work is a must in my believes I look forward to hearing from you!
- RESTful API
- API
- C++
- MySQL
- JavaScript
- SQL
- Algorithm Development
- X86 Assembly Language
- WordPress Plugin
- Japanese
- PHP
- Laravel
- Android
Sousse, Tunisia
๐ I help startups and businesses scale their backend systems and automate workflows using APIs, AI-powered services, and integrations like Stripe, PayPal, and CRMs. With 5+ years delivering secure, high-performance backend solutions, I ensure your system is fast, reliable, and maintainable. ๐น What I Can Help You With โข Scalable backend & API development (Node.js, Express, Laravel, NestJS) โข Payment & third-party integrations (Stripe, PayPal, CRMs, SaaS tools) โข Workflow automation (n8n, Zapier, Python scripts) โข AI-powered services (chatbots, document extraction, scoring systems) โข Database design & optimization (PostgreSQL, MySQL, MongoDB) ๐ Tech Stack โข Backend: Node.js, Express.js, NestJS, Laravel โข Databases: PostgreSQL, MySQL, MongoDB, Firebase โข Automation: n8n, Zapier, Python โข AI & ML: OpenAI, Hugging Face โข Tools: Docker, GitHub, GitLab, Swagger, REST APIs โญ Why Clients Choose Me โข Strong communication & fast response โข Clean, well-structured, production-ready code โข Focus on business results, not just code โข Reliable delivery & long-term collaboration Letโs discuss your project and build something solid.
- Back-End Development
- JavaScript
- Node.js
- ExpressJS
- Laravel
- NestJS
- API Integration
- Stripe
- Twilio
- PayPal Integration
- OpenAI API
- Automation
- Python
- n8n
- Third-Party Integration
Ben Arous, Tunisia
I build dynamic, responsive, and SEO-friendly web applications that not only look amazing but perform flawlessly. With expertise in React.js, Next.js, Vue.js, Node.js, Express.js, and MongoDB, I deliver full-stack solutions tailored to your needs. What I Do: โ Craft modern, interactive front-ends with React.js, Next.js, Vue.js, TypeScript, TailwindCSS, Bootstrap, Sass, Flowbite React, Mantine UI... โ Develop robust back-ends using Node.js, Express.js โ Handle databases & API integrations with MongoDB, Firebase, MySQL โ Ensure responsive design, smooth UX, and SEO optimization Iโm client-focused, guaranteeing clear communication, seamless collaboration, and timely delivery from concept to launch. Whether itโs a cutting-edge web app, responsive website, or complete full-stack solution, I turn your ideas into reality with precision, creativity, and professionalism. ๐ Letโs collaborate to make your web projects shine online!
- REST API
- React
- NodeJS Framework
- Tailwind CSS
- TypeScript
- Next.js
- JavaScript
- MongoDB
- Firebase
- ExpressJS
- Vue.js
- Redux
- Vuex
- Sass
- Responsive Design
Bir Ali Ben Khalifa, Tunisia
I'm thrilled to introduce myself as a dedicated Bitrix24 CRM Specialist with a passion for problem-solving and business automation. My journey in the IT world has been driven by my love for adventure and exploration. Much like my hiking and camping trips through the mountains, my career has been a path of continuous learning and overcoming new challenges. I started my career as a graphic designer freelancer at 17, evolving into a full-stack WordPress developer with expertise in PHP, JS, and CSS. My independent learning and self-driven growth have shaped my unique skill set and excellent communication abilities. Fluent in English and adept at simplifying complex concepts, I ensure that my clients receive clear, actionable insights. Currently, I am a proud partner with Bitrix24, a leading Business Management Solution. My focus is on enhancing Bitrix24โs functionality through customized solutions and automation. Hereโs how I can bring value to your projects: Customized Solutions and App Development: I have developed a range of internal and external apps for Bitrix24, tailored to meet unique business needs. From creating integrated systems for managing marketing campaigns to developing tools that synchronize data with third-party services, my solutions enhance the efficiency and capabilities of the Bitrix24 platform. Expert Data Migration: I specialize in preparing and migrating data into Bitrix24 using custom apps that leverage the REST API. My approach ensures high-quality, secure, and accurate data migration, accommodating the vast potential of Bitrix24โs capabilities while maintaining data integrity. Effective User Training and Support: My training methods include one-on-one sessions, workshops, and ongoing support to ensure your team transitions smoothly to Bitrix24. Although I donโt have formal documentation writing experience, I provide valuable notes and recommendations based on practical insights. Problem-Solving and IT Management: With extensive experience across various IT fields, I excel at addressing complex challenges and providing innovative solutions. My enthusiasm for learning and problem-solving allows me to adapt quickly and effectively to any project needs. Thank you for considering my profile. I look forward to the opportunity to help you leverage Bitrix24 to streamline your business operations and achieve your goals.
- API
- CMS Development
- API Integration
- WordPress e-Commerce
- CRM Software
- Bitrix24
- Build Automation
- SAP Business Workflow
- SaaS Development
- Low-Code Development
- App Development
- JavaScript
- Full-Stack Development
- CRM Automation
Ariana, Tunisia
๐ข๐ฃ๐๐ก๐๐, ๐๐ต๐ฎ๐๐๐ฃ๐ง, ๐๐ฃ๐ง-๐ฐ, ๐๐ต๐ฎ๐๐ฏ๐ผ๐๐, ๐ฃ๐๐๐ต๐ผ๐ป, ๐๐ฎ๐ป๐ด๐ฐ๐ต๐ฎ๐ถ๐ป, ๐๐น๐ฎ๐บ๐ฎ ๐๐ป๐ฑ๐ฒ๐ , ๐ฃ๐ถ๐ป๐ฒ๐ฐ๐ผ๐ป๐ฒ, ๐ช๐ฒ๐ฎ๐๐ถ๐ฎ๐๐ฒ, ๐ฅ๐ฎ๐๐ฎ, ๐ฃ๐ฟ๐ผ๐บ๐ฝ๐ ๐๐ป๐ด๐ถ๐ป๐ฒ๐ฒ๐ฟ๐ถ๐ป๐ด, ๐๐ผ๐ฐ๐๐บ๐ฒ๐ป๐ ๐๐, ๐ฆ๐๐บ๐บ๐ฎ๐ฟ๐ถ๐๐ฒ ๐ฑ๐ผ๐ฐ๐๐บ๐ฒ๐ป๐๐ ๐๐๐ถ๐ป๐ด ๐๐, ๐๐ฃ๐ง-๐ฐ ๐ฉSoftware engineer specializing in Machine Learning with 4+ years of experience building scalable web applications and internal tools that drastically improve efficiency. And a vast array of knowledge in many different front end and back end languages, responsive frameworks, databases, and best code practices. โกMy competencies include but are not limited to: โ๏ธ A Vast experience in ๐๐๐๐๐๐ for Web Development , Data Analysis , Machine Learning , Web Scraping , API integration , Backend Logic , artificial intelligence , etc. โ๏ธ Writing Algorithms, make Django/Flask Web-Application, React/Angular/Vus.js Applications, Desktop โ๏ธ Application, Creating automated bot scripts, openAI and chatGPT-based solutions with ๐๐๐๐๐๐ & more. โ๏ธ Development of intuitive and cloud-based software products and applications using clean object-oriented design โ๏ธ Designing and creating RESTful APIs for internal and partner consumption โ๏ธ Building efficient RAG systems. โ๏ธIntegrating various OpenAI services like Function Calling , Assistants , Tools , Structured output , embeddings ... โก๐๐ก๐ ๐ฆ๐๐ข๐ง ๐ฌ๐๐ซ๐ฏ๐ข๐๐๐ฌ ๐ ๐ฉ๐ซ๐จ๐ฏ๐ข๐๐: โ๏ธ Machine learning โ๏ธ Fine-Tuning โ๏ธ Web services โ๏ธ Python programming โ๏ธ OpenAI API integration โ๏ธ GPT 4 training and integration โ๏ธ Web-scrapping โ๏ธ Chatbot development using Botpress and DialogFlow โ๏ธ Web-development (mainly back-end) โ๏ธ Computer vision โ๏ธ Natural language processing โ๏ธ Desktop applications development โ๏ธ Transfer Learning โ๏ธ AI models training โ๏ธ Web Services โก NLP tasks: โ๏ธ Text Generation and classification โ๏ธ Chatbot development using Botpress and DialogFlow and Integration in multiple channels( Twitter, Telegram, Messenger, Websites, Instagram, WhatsApp ..) โ๏ธChatbots from knowledge base โ๏ธLangchain (Agents, indexes) โ๏ธHandling vector database operations like Pincone, Weaviate, FAISS, chromadb โก Computer vision tasks: โ๏ธ Image Classification โ๏ธ Object detection using YOLO โ๏ธ Sematinc segmentation โกGPT tasks: โ๏ธ GPT Apps development using python GPT Langchain Pinecone Weaviate FAISS โ๏ธ Automation and integration using chatGPT API. ChatGPT API Integration. โ๏ธ Python solutions using Chatgpt API, Whisper API, GPT 3 model and other openai API services. โ๏ธ Integrating openAI's GPT 3, GPT 3.5, and GPT 4 API to take user prompts. โ๏ธ Prompt Engineer with a great experience in designing a variety of problems for a variety of AI Use cases. โ๏ธ Question answer using the GPT model over the document, OCR Technique. โ๏ธ ๐๐ก๐๐ญ๐๐จ๐ญ ๐๐ก๐๐ง๐ง๐๐ฅ๐ฌ: ๐ Facebook ChatBot ๐ Instagram ChatBot ๐ Twitter ChatBot ๐ Line ChatBot ๐ Telegram ChatBot ๐ WhatsApp ChatBot ๐ Website ChatBot ๐ Voice ChatBot ๐ IVR ChatBot ๐ SMS ChatBot ๐ Email Bot โ๏ธCORE EXPERTISE โข Custom AI Applications โข AI Chatbots and Voice Systems โข AI Email Systems โข AI Social Media Manager โข Business Automations โข Strategic AI Consulting โ๏ธ TECH STACK โข Back-end Mastery: Proficient in Node.js โข Front-end Excellence: Skilled in React.js and Next.js โข Python Expertise: Crafting powerful back-end solutions and automations โ๏ธ AI & AUTOMATION SPECIALTIES โข ChatGPT & RAG Systems โข LangChain & Llama Index โข Voiceflow โข Make.com & Zapier โ๏ธ ๐๐๐ฏ๐๐ง๐๐ ๐๐ก๐๐ญ๐๐จ๐ญ ๐ฉ๐ฅ๐๐ญ๐๐จ๐ซ๐ฆ๐ฌ ๐ฅ๐ข๐ค๐: ๐ Botpress ๐ Voiceflow ๐ Chatbase ๐ Stack.ai ๐ ManyChat ๐ Chatfuel ๐ Watson Assistant ๐ LUIS ๐ Amazon LEX ๐ Meya.ai ๐ Google Dialogflow ๐ Twilio ๐ Messagebird ๐ Rasa ๐ Xenioo ๐ Twilio ๐ PrimeChat โกSkills: Python, Python Script, Python Requests, Django, HTML5, CSS3, MySQL API Development, API Integration, Backend & Front Development, Java, Android, Tensorflow , Trading Bots , Azure , C , Pandas , Numpy , REST API, GUI, Tkinter , Pyqt , OpenAi , GPT-4, chatbot , GPT-3 , prompt engineering , GPT-3.5 Turbo , ChatGPT 4 , ChatGPT 3 , LLM, RAG, ALPCA, Llama 3, Llama, Knowledge base , Botpress, Dialogflow I will be happy to help you.
- Python
- Machine Learning
- Chatbot
- GPT-4
- ChatGPT
- Web Scraping
- OpenAI API
- AI Development
- Full-Stack Development
- Retrieval Augmented Generation
- Web Application Development
- Vector Database
- Pinecone
- LLM Prompt Engineering
- Generative AI
Gafsa, Tunisia
I'm a developer with experience in building API's for mobile and web applications. I'm experienced in nodejs, express and can build API's using popular technologies like graphql that can connect to modern databases like mysql and mongodb.
- Front-End Development
- Back-End Development
- Web Application
- API Integration
- ChatGPT API Integration
- Automation
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