Java Spring Developers Para Contratação
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Freelancers Patrocinados
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I am a full stack developer having a very good experience in Ruby on rails, Spring boot, Django, PHP on laravel and React, I am good in providing business solution for my clients contacting me, I had worked with some good clients and provided a best solution for them, Contact me and resolve your business solution...I am a full stack developer having a very good experience in Ruby on rails, Spring boot, Django, PHP on laravel and React, I am good in providing business solution for my clients contacting me, I had worked with some good clients and provided a best solution for them, Contact me and resolve your business solution using programing. I am a Full Stack .NET developer with over 7 years of experience, having worked in top MNCs such as Accenture and Cognizant. I have extensive experience in developing applications using .NET Core and .NET Frameworks. My expertise includes creating web applications with .NET Core Blazor, MVC, and Blazor with MAUI. I have also worked with React as a front-end technology, and the backend with .NET Core API and MSSQL. Additionally, I have significant experience in integrating external APIs into applications. I am proficient in developing solutions using Web API and Windows Services with OWIN architecture. I have also worked on projects involving console applications in .NET Framework to automate repetitive manual processes. Moreover, I am skilled in using modern development practices and tools, ensuring code quality and maintainability. My experience includes working in agile environments, collaborating with cross-functional teams, and delivering high-quality software solutions. menos
Contratar gsantharam7088
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I began my journey in the technology field seven years ago, dedicating most of that time to IT and networking. Passionate about challenges, I am constantly seeking knowledge and striving for excellence in software development. I take great pride in my work and enjoy keeping up to date with the latest trends. I am...I began my journey in the technology field seven years ago, dedicating most of that time to IT and networking. Passionate about challenges, I am constantly seeking knowledge and striving for excellence in software development. I take great pride in my work and enjoy keeping up to date with the latest trends. I am always committed to the quality of my work and meeting timelines. I primarily develop web applications and can work on both back-end and front-end tasks. - Backend: · Node.js & Express.js, Nest.js · Python & Django, Flask · Java & Spring, Hibernate, JSF · C# & ASP.NET · PHP & Laravel - Frontend: · JavaScript & TypeScript · Vue.js, React, Angular - DB: · MySQL, PostgreSQL, Oracle Database, Microsoft SQL Server · MongoDB, CouchDB, Redis, DynamoDB, Cassandra, Neo4j, ArangoDB - Development Practices: · Agile Methodology & Scrum · Unit Testing: B: PHPUnit, JUnit, NUnit, unittest, pytest F: Jest, Mocha · Version Control: GitHub, GitLab, Bitbucket I bring the skills and dedication necessary to successfully achieve your project's goals. If you're interested in my profile, please feel free to contact me anytime. I'd like to discuss your project with you in more detail. Thanks, Yair Castro menos
Contratar yaircastro
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jepita200 jepita200
$15 Dólares / hora
☑️Business plan☑️Data Analysis☑️Financial☑️Lead&CVBangladeshI am Juetiara. I have many years Experience in Proofreading, Writing, Business Plan, Data Analysis, Financial Plan, CV/Resume, Graphic Design, 2D, 3D animation, Transcription and Translation excellent technical knowledge with extensive experience in all aspects of writing. I will provide the high-quality content you...I am Juetiara. I have many years Experience in Proofreading, Writing, Business Plan, Data Analysis, Financial Plan, CV/Resume, Graphic Design, 2D, 3D animation, Transcription and Translation excellent technical knowledge with extensive experience in all aspects of writing. I will provide the high-quality content you need. My writing experience spans many industries, including travels, sales, tech and lifestyle. ✳️Service for my valuable clients✳️ ❇️ Business plan ❇️ Data Analysis ❇️Web Design ❇️Coding ❇️HTML ❇️JavaScript ❇️ PowerPoint ❇️ Translation ❇️ Transcription ❇️ CV/Resume, Cover letter & Linkedin profile ❇️ Technical Writing ❇️ Articles & Blogs ❇️ Literature review ❇️ Content writing ❇️ Data entry ❇️ E-book writing ❇️ Writing ❇️ Product Description ❇️ Academic writing ❇️ Finance writing ❇️ Skincare writing ❇️ Medical writing ❇️ Health & Fitness writing Hire me and I will provide you A++ Quality work without Plagiarism or Any single Error Guaranteed. Best Regards Mt Juetiara menos
Contratar jepita200
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I am a highly skilled software engineer with a diverse expertise spanning multiple programming languages and frameworks, including JavaScript (React, Next.js, Angular, Vue, Nuxt, Express, Fastify), PHP (Laravel, CodeIgniter, WordPress), Python (Django, FastAPI, Odoo), and C# (ASP.NET). My proficiency extends to...I am a highly skilled software engineer with a diverse expertise spanning multiple programming languages and frameworks, including JavaScript (React, Next.js, Angular, Vue, Nuxt, Express, Fastify), PHP (Laravel, CodeIgniter, WordPress), Python (Django, FastAPI, Odoo), and C# (ASP.NET). My proficiency extends to artificial intelligence and machine learning, with hands-on experience in TensorFlow and OpenAI. Additionally, I am well-versed in cloud computing platforms such as Google Cloud Platform (GCP), including Google Cloud Functions, and Amazon Web Services (AWS). With a strong foundation in full-stack development, I specialize in creating dynamic, responsive, and scalable web and desktop applications and mobile app. My experience encompasses both front-end and back-end development, allowing me to deliver comprehensive solutions that meet client requirements effectively. I am passionate about leveraging the latest technologies to build innovative and efficient software systems. My commitment to excellence is reflected in my ability to adapt to new technologies and continuously expand my skill set. I thrive in collaborative environments and am dedicated to delivering high-quality work that drives success for my clients. Skills ⭐ Programming Languages: JavaScript, PHP, Python, C#, C/C++, Dart ⭐ Frameworks and Libraries: ✅ JavaScript: React, Next.js, Angular, Vue, Nuxt, Express, Fastify, Electron.js ✅ PHP: Laravel, Laravel Sails, Symfony, CodeIgniter, WordPress ✅ Python: Django, FastAPI, Flask, Odoo, Streamlit, PyQt6 ✅ C#: ASP.NET Core, ASP.NET MVC, ⭐ AI and Machine Learning: Machine Learning, TensorFlow, OpenAI ⭐ Cloud Platforms: Google Cloud Platform (GCP), Firebase, Google Cloud Functions, Amazon Web Services (AWS) ⭐ Databases: MySql, MS SQL Server, Postgre, SQLlite, Mongo DB, ⭐ No-code tool: FlutterFlow, Bubble.io, Wix Let’s build something extraordinary. Message me to discuss your project today. menos
Contratar ryoheik
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At Core Techies, we don’t just build products; we create intelligent, AI-powered platforms that redefine industries. Whether you’re building your first AI-driven MVP or scaling your platform to the next level, we turn your ideas into reality faster, smarter, and more powerfully. With over 12 years of experience on...At Core Techies, we don’t just build products; we create intelligent, AI-powered platforms that redefine industries. Whether you’re building your first AI-driven MVP or scaling your platform to the next level, we turn your ideas into reality faster, smarter, and more powerfully. With over 12 years of experience on Freelancer.com, we bring AI-first execution to every project. Our deep technical expertise combined with agility ensures your solution isn’t just great — it’s built to perform. We don’t just solve problems; we create solutions that drive efficiency, innovation, and success. Our Expertise: ✅ AI Development ⚡Integrate GPT-4, Claude, and Gemini for advanced AI models ⚡Build AI chatbots, voice bots, and video bots for sales, support, and operations ⚡Use Generative AI (Text, Image, Audio) to automate content creation and enhance workflows ⚡Deliver AI-powered MVPs in under 30 days — scalable and robust ✅ AI Automation ⚡Automate workflows across HR, finance, and customer service ⚡ Build real-time AI-powered automation that scales with your business ⚡Maximize productivity with AI-driven tools for process optimization ✅ AI Agents ⚡Deploy custom AI agents for 24/7 customer engagement ⚡Build voice bots and video bots that provide human-like interactions ⚡Integrate AI assistants to optimize workflow and boost productivity ✅ Tools We Use ⚡We leverage cutting-edge tools to bring your AI solutions to life: ⚡GPT-4, Claude, and Gemini for natural language processing ⚡TensorFlow, PyTorch for deep learning models ⚡Dialogflow, Rasa, and BotPress for AI chatbots ⚡OpenAI API for text, image, and video AI interactions ⚡AWS, Google Cloud for scalable infrastructure ⚡Zapier, Integromat, n8n, and Make for AI-powered automation ⚡VAPI, Trellio, and Docker for API management and workflow optimization ✅ Why Choose Us? ⚡ Fast Delivery ⚡MVPs in weeks, not months. Start driving growth immediately. ✅ AI-First Mindset ⚡We embed intelligence into every solution, ensuring long-term scalability. ✅ Trusted Security ⚡Proven by global teams, including defense-grade clients. Your solution is secure and reliable. ✅ Continuous Growth ⚡Our ongoing support, iteration, and optimization ensure your product scales with your business. Ready to revolutionize your future with AI? Whether you need an AI co-pilot or a full-stack AI partner, we’re here to bring your vision to life. Let’s launch your AI-powered product today — faster, smarter, and more intelligently than ever. menos
Contratar C0RETECHIES
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⭐ React ⭐ Next.js ⭐ Python ⭐ AI ⭐ Web Scraping ⭐ Automation (Make, Zapier, n8n) ⭐ 👋 Hi, I am a Senior Full Stack Developer with over 15 years of experience building powerful, scalable, and intelligent applications. My work blends modern frontend engineering, robust backend systems, advanced automation workflows, and...⭐ React ⭐ Next.js ⭐ Python ⭐ AI ⭐ Web Scraping ⭐ Automation (Make, Zapier, n8n) ⭐ 👋 Hi, I am a Senior Full Stack Developer with over 15 years of experience building powerful, scalable, and intelligent applications. My work blends modern frontend engineering, robust backend systems, advanced automation workflows, and AI integration to create fully optimized digital solutions. I help businesses build fast, smart, and automated systems that save time, reduce manual work, and scale effortlessly. 🏆 Technical Expertise 🏆 🔔 Frontend Development - React.js • Next.js (App Router + Pages Router) - TypeScript • JavaScript - Tailwind CSS • Shadcn • Material UI - Component-driven architecture - Pixel-perfect UI 🔔 Backend & API Development - Python (FastAPI, Django, Flask) - Node.js (Express, NestJS if needed) - Scalable REST APIs & GraphQL - Authentication (JWT, OAuth2, roles/permissions) - Background jobs (Celery, Redis, Cron) 🔔 AI Automation & Integrations - AI agents / chatbots (OpenAI, Gemini, Llama) - Document processing (OCR, image-to-text, PDF parsing) - Intelligent workflow automation - Data classification & smart pipelines 🔔 Workflow Automation (No-Code + Low-Code) I build end-to-end automation systems that save hours of manual work. Platforms I Specialize In: - Make.com (Integromat) - Zapier - n8n (self-hosted or cloud) - Webhooks, API integrations, custom modules - CRM automations (HubSpot, Zoho, Pipedrive) - Email, SMS, WhatsApp, Slack automations - Google Workspace automation (Sheets, Docs, Gmail) - Multi-step workflows with conditions and branching Automation + AI + custom APIs = complete intelligent systems. 🔔 Web Scraping & Data Extraction - Selenium • Playwright • Scrapy • BeautifulSoup - Bypass protections, rotating proxies - E-commerce, directory, job boards scraping - Data cleaning & structuring (CSV, JSON, SQL) - Real-time scrapers & scheduled jobs - Integration with automation tools (Zapier/Make/n8n) 🔔 Database Engineering - PostgreSQL • MySQL • MongoDB - Database modeling, optimization, indexing - Large-scale schema design If you're looking for a developer who can deliver frontend, backend, AI, automation, and scraping all in one place, I’m ready to help. menos
Contratar olehd6
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I’m a Full-Stack, Mobile, and AI Engineer with a strong focus on speed, quality, and scalable architecture. I specialize in building production ready web and mobile applications using modern frameworks, clean code, and best practices. My approach is simple: understand the business goal, move fast, and deliver reliable...I’m a Full-Stack, Mobile, and AI Engineer with a strong focus on speed, quality, and scalable architecture. I specialize in building production ready web and mobile applications using modern frameworks, clean code, and best practices. My approach is simple: understand the business goal, move fast, and deliver reliable solutions without sacrificing performance or maintainability. I’ve worked on SaaS platforms, APIs, automation systems, AI-powered features, and real-time applications. Whether it’s a startup MVP or a complex system, I prioritize clear communication, efficient development, and long term stability. I don’t just write code I build systems that work, scale, and are easy to maintain. If you need a developer who delivers fast, thinks ahead, and values quality as much as speed, I’m ready to help. ---------------------------------Tech Stack--------------------------- Frontend -Next.js, React, Vue.js, Angular.js, TypeScript, JavaScript -HTML5, CSS3, Tailwind CSS, MUI, ShadCN. -SSR, SEO optimization, performance tuning Backend -Node.js, NestJS, Nuxt, Express -PHP, Laravel, CI -Python (FastAPI, Django) -REST APIs, GraphQL, WebSockets Mobile -Android & IOS -React Native, Flutter -Expo -Cross-platform app development AI & Automation -OpenAI API, LLM integrations -AI chatbots, automation workflows -Data processing & model integration Databases -PostgreSQL, MySQL, MongoDB, MadriaDB, Supabase, Firebase, Neon, Pinecone. -Redis, RabbidMQ -Prisma, TypeORM, Medoo DevOps & Cloud -Docker, PM2, Nginx -AWS, AWS EC2, S3, Lambda. -Vercel, Heroku -Linux (Ubuntu) -CI/CD pipelines -Kubernetes. Jekkins, Trello, Clickup. Other -Git, GitHub/GitLab, Bitbucket -API integrations (Stripe, Payoneer, Paypal, Telegram, SendGrid, Resend) Authentication, security best practices menos
Contratar kerryd71
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✅ Full-Stack Development 🔹 React.js 🔹 Next.js 🔹 Node.js 🔹 TypeScript 🔹 Django 🔹 .NET / Java Spring 🔹 REST & GraphQL APIs 🔹 Authentication (JWT, OAuth) ✅ AI & LLM Integration 🔹 OpenAI API 🔹 LLM Applications 🔹 RAG Systems 🔹 LangChain 🔹 AI Chatbots 🔹 AI Agents 🔹 Embeddings & Vector Databases 🔹 AI Workflow Automation ✅...✅ Full-Stack Development 🔹 React.js 🔹 Next.js 🔹 Node.js 🔹 TypeScript 🔹 Django 🔹 .NET / Java Spring 🔹 REST & GraphQL APIs 🔹 Authentication (JWT, OAuth) ✅ AI & LLM Integration 🔹 OpenAI API 🔹 LLM Applications 🔹 RAG Systems 🔹 LangChain 🔹 AI Chatbots 🔹 AI Agents 🔹 Embeddings & Vector Databases 🔹 AI Workflow Automation ✅ Data & Backend Systems 🔹 PostgreSQL / MySQL 🔹 MongoDB 🔹 Redis 🔹 ETL Pipelines 🔹 Airflow 🔹 Real-Time Processing 🔹 Scalable Microservices - AI Full-Stack Deliverables React/Next.js Web Apps Full-Stack SaaS Applications LLM & RAG Applications AI Agents & Chatbots Cloud-Deployed Web Systems Enterprise AI Tools - AI Full-Stack Tools & Languages Python JavaScript TypeScript C / C++ Docker AWS Kubernetes menos
Contratar volodymyrd45
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Comércio eletrônico, Desenvolvimento Web, .NET, Desenvolvimento de Aplicativos Amazon, Amazon Web ServicesMy name is Eduard Shypovych, and I am a Senior Full-Stack Developer based in Ukraine with over 13 years of experience in software development. I have a strong background in building, scaling, and maintaining complex web and mobile applications across a wide range of industries. I specialize in delivering secure,...My name is Eduard Shypovych, and I am a Senior Full-Stack Developer based in Ukraine with over 13 years of experience in software development. I have a strong background in building, scaling, and maintaining complex web and mobile applications across a wide range of industries. I specialize in delivering secure, scalable, and high-performance solutions, working across the full development lifecycle—from system architecture and development to deployment and long-term support. My extensive experience allows me to quickly adapt to new technologies, understand business requirements, and deliver reliable results. I work comfortably with international clients and distributed teams, value clear communication, and follow clean code and best engineering practices to ensure long-term maintainability. ✅ Programming Languages JavaScript (ES6+), TypeScript, Python, Java, C#, PHP, Go, Ruby, C, C++ ✅ Frontend Development HTML5, CSS3, SCSS, Bootstrap, Tailwind CSS, Material UI, React.js, Next.js, Vue.js, Nuxt.js, Angular, Svelte, Qt ✅ Backend Development Node.js, Express.js, NestJS, Django, Flask, FastAPI, Laravel, Symfony, CodeIgniter, Spring Boot, ASP.NET, .NET Core, Ruby on Rails ✅ CMS & E-Commerce Platforms WordPress, WooCommerce, Magento, Shopify, PrestaShop, Drupal, Joomla, Strapi, Contentful, Sanity ✅ Databases & Data Storage MySQL, PostgreSQL, SQL Server, Oracle, SQLite, MongoDB, Firebase, DynamoDB, Redis, Cassandra ✅APIs & System Integrations RESTful APIs, GraphQL, SOAP, Third-party integrations, Payment Gateways, OAuth 2.0, JWT ✅Cloud, DevOps & Infrastructure AWS, Google Cloud Platform, Microsoft Azure, Docker, Kubernetes, CI/CD Pipelines, Linux, Nginx, Apache ✅Version Control, Workflow & Tools Git, GitHub, GitLab, Bitbucket, Agile / Scrum, Jira, Trello, CI workflows I am open to short-term and long-term engagements, remote collaboration, and complex technical challenges. My goal is to deliver high-quality software solutions that provide real business value. menos
Contratar eduards8
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billybryan98 billybryan98
$20 Dólares / hora
Full Stack | Python | C# | PHP | JavaScriptPhilippinesHello, I'm Billy Bryan, a passionate and results-driven Full Stack Web Developer with over a 6 years of experience in building cutting-edge websites and web applications. I specialize in delivering efficient, scalable, and user-friendly digital solutions tailored to your business needs. With a keen eye for detail and...Hello, I'm Billy Bryan, a passionate and results-driven Full Stack Web Developer with over a 6 years of experience in building cutting-edge websites and web applications. I specialize in delivering efficient, scalable, and user-friendly digital solutions tailored to your business needs. With a keen eye for detail and a strong focus on problem-solving, I ensure every project I work on exceeds expectations and drives measurable results. Backend Development ✔️ Python: Flask, Django, RESTful APIs, data processing. ✔️ C#: ASP.NET Core, application development, Azure integrations. ✔️ PHP: Laravel, WordPress, custom CMS solutions. ✔️ SQL & Databases: PostgreSQL, MySQL, Couchbase, TypeORM. Frontend Development ✔️ React.js: Next.js, Remix.js, Astro.js ✔️ JavaScript: Angular, Vue, Vuex, TypeScript, jQuery. ✔️ CSS Frameworks: Bootstrap, Tailwind CSS, SCSS, LESS. ✔️ Responsive Design: HTML5, CSS3, Figma, pixel-perfect, cross-browser compatibility. Tools & Platforms: ✔️ Version Control: Git, GitHub, GitLab, Bitbucket ✔️ Cloud: AWS, Azure, Google Cloud, Couldflare ✔️ DevOps: Docker, CI/CD pipelines, Jenkins. ✔️ Collaboration: Trello, Slack, Jira. What I Offer ✔️ Custom Web Applications: Fully responsive and optimized for performance. ✔️ API Development & Integration: Building and connecting APIs for seamless data exchange. ✔️ Database Design & Optimization: Efficient data models and query performance tuning. ✔️ Migration & Upgrades: Smooth transitions with zero downtime. ✔️ Full-Stack Solutions: From UI/UX design to backend logic and deployment. I'm passionate about turning your ideas into functional, scalable, and visually appealing digital solutions. Whether you need a one-off project or long-term collaboration, I’m here to help. Let's bring your project to life! Let’s discuss your project needs and start building something amazing together. Best regards, Billy Bryan menos
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