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Hire the best Node.js Developers in Warsaw, PL

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4.7/5
based on 121 client reviews
  • $45 hourly
    • 5.0/5
    • (47 jobs)
    ✅I’m experienced WordPress developer (8+ years’ experience) specializing in responsive WordPress website creation. I develop themes & plugins for WordPress repository and marketplace. It's important to me to build long-term relationships with my customers, so 73% of my clients go back with other tasks and projects. Just try to work with me and you'll see: I can do my work well and on time. "Top Rated Plus" freelancer (3% The Best on Upwork). 🔥WordPress Services ✔ WordPress website creation: create WordPress website from scratch, develop a WordPress website from PSD to WordPress (PSD 2 WordPress) ✔ Re-Design: redesign old WordPress website, redesign WordPress theme, full revamp WordPress website ✔ Fix issues on WordPress website: fix header, fix footer, fix sidebar and menu, fix website sections, debug and fix CSS and JS issue, fix contact form, fix Elementor sections ✔Plugin customization: Elementor, WooCommerce, Revolution Slider, WPBakery Page Builder, WP All Import, WP Super Cache, Yoast SEO, Contact Form 7 (CT 7), Gallery ✔ Development different types of WordPress websites: Landing page, E-commerce website, Brochure website, Corporate website, Blog website ✔ WordPress help: set up WordPress theme like a demo, set up WordPress plugins, Finish website Also I can finish your website if your previous developer was lost 🔥I create websites WordPress for different industry and niches: ✔ Startups Websites (App, consulting) ✔ Corporate Websites (lawyers, IT, Real Estate and etc.) ✔ WordPress Websites for Freelancer ✔ WordPress Websites for Small Business (services, handmade, social Ads and etc.) ✔ Even WordPress Websites for gaming fans community and personal blogs My skills and experiences let me build custom WordPress websites that are responsive, SEO friendly, with good UI\UX and working perfect cross-browser. I build/design websites with SEO in mind. It helps have good results in Search Engines. 🔥Skills ✔ Languages and libraries: HTML, CSS, SCSS, ES6 JavaScript, PHP, JQuery, ReactJS, Redux, NodeJS, webpack.js, Bootstrap, Material UI, jest ✔ Tools: ESLint, Github, PhpStorm, NPM, OpenServer, Postman, FileZilla, Photoshop, Axure, Figma, Jira ✔ Systems and CMS: WordPress, Joomla, WooCommerce, Windows ✔ Database: MYSQL, MongoDB ✔ API: Yandex, Flickr, imdb, opencagedata, weatherbit ✔ Personal: Team Working, Highly organized, problem-solving 🔥Terms of Services ✔ 30 Day Free Guarantee Service ✔ Good communication 7 days a week ✔ Work on time guarantee
    Featured Skill Node.js
    Ecommerce Website Development
    jQuery
    React
    Business with 10-99 Employees
    WPML
    WordPress Theme
    Website Redesign
    Website
    WooCommerce
    Elementor
    CSS 3
    JavaScript
    WordPress
    HTML
    PHP
  • $35 hourly
    • 5.0/5
    • (11 jobs)
    Web scraping expert. End-to-end data solutions. I develop bots, complex integrations, and automations to optimize time and resources. My passion is to streamline work processes and enhance efficiency through innovative solutions, including the use of AI libraries.
    Featured Skill Node.js
    Browser Automation
    Bot Development
    Automation Anywhere
    API
    Receipt Parsing
    JavaScript
    Data Science
    Puppeteer
    Selenium
    Data Scraping
    Machine Learning
    Artificial Intelligence
    Python
    Web Scraping
  • $40 hourly
    • 5.0/5
    • (7 jobs)
    𝐒𝐭𝐨𝐩 𝐬𝐭𝐫𝐮𝐠𝐠𝐥𝐢𝐧𝐠 𝐰𝐢𝐭𝐡 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐡𝐞𝐚𝐝𝐚𝐜𝐡𝐞𝐬! 𝐈 𝐡𝐞𝐥𝐩 𝐁𝟐𝐁 𝐚𝐧𝐝 𝐄-𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬𝐞𝐬 𝐥𝐢𝐤𝐞 𝐲𝐨𝐮𝐫𝐬 𝐚𝐜𝐡𝐢𝐞𝐯𝐞 𝐬𝐮𝐜𝐜𝐞𝐬𝐬 𝐭𝐡𝐫𝐨𝐮𝐠𝐡 𝐬𝐞𝐚𝐦𝐥𝐞𝐬𝐬 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 𝐞𝐱𝐞𝐜𝐮𝐭𝐢𝐨𝐧 𝐚𝐧𝐝 𝐫𝐨𝐛𝐮𝐬𝐭 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬. Here's how you can achieve peace of mind: ➔ Effortless Development: Focus on running your business while I handle the entire development process, from ideation to launch and beyond. Take the burden off project management for efficient execution. ➔ Crystal Clear Reporting: Gain complete transparency with clear, actionable reports that keep you informed at every stage. No struggling to understand project progress or wondering about results. ➔ Long-Term Support: Your success is my priority. I provide ongoing maintenance and support to ensure your solution continues to operate flawlessly and meet your evolving needs. Cutting-Edge Tech Stack: ➤ Modern Frontends: I leverage cutting-edge frameworks like React and Vue.js to create user-friendly, performant experiences that drive engagement and conversions. Additionally, I utilize Server-Side Rendering (SSR) for optimal SEO and initial load speed. ➤ Scalable Backends: Node.js and Go power the backend of your solution, ensuring exceptional performance and flexibility to accommodate growth. ➤ AI Integration: Unlock the potential of AI through API integration, taking your platform to the next level with intelligent features and enhanced user experiences. Flexible Approach: ➤ SCRUM & LEAN Methodology: I leverage these proven frameworks to deliver projects on time and within budget, prioritizing tasks based on their impact on your business goals. ➤ Quality Assurance: You can rest assured knowing I deliver high-quality solutions with meticulous attention to detail. Main Stack: 🛠️ Frontend: React, Vue,, Svelte, Flutter 🛠️ Backend: Node.js, Go, Firebase, Supabase 🛠️ Third party tools: APIs and AI integration 𝐋𝐞𝐭'𝐬 𝐜𝐡𝐚𝐭 𝐭𝐨 𝐬𝐭𝐫𝐞𝐚𝐦𝐥𝐢𝐧𝐞 𝐲𝐨𝐮𝐫 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐩𝐫𝐨𝐜𝐞𝐬𝐬 𝐚𝐧𝐝 𝐞𝐧𝐬𝐮𝐫𝐞 𝐚 𝐭𝐡𝐫𝐢𝐯𝐢𝐧𝐠 𝐁𝟐𝐁 𝐨𝐫 𝐄-𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦
    Featured Skill Node.js
    NGINX
    Docker
    Web Development
    GraphQL
    NoSQL Database
    SQL
    Golang
    SaaS
    Web Application
    Vue.js
    React
    TypeScript
    JavaScript
    React Native
  • $40 hourly
    • 5.0/5
    • (4 jobs)
    Hey! 👋 I am the CEO and Founder of FuturiX Solutions 🧑‍💼 5️⃣+ years of leading and delivering successful projects in Software Engineering, Blockchain Development, and Healthcare Solutions across large, complex initiatives, including collaborations with Fortune 500 companies in ESG Performance, pioneering blockchain projects, and next-generation healthcare systems. ⭐ As the CEO, I lead and manage a talented team of experts specializing in Software Engineering, Architecture, Blockchain Development, and DevOps. Together, we deliver customized full-cycle solutions for projects of any complexity. 🎯 My goal is to transform your ideas into reality with innovative, scalable, and efficient solutions by finding innovative approaches to complex problems. 🔧 Key Skills: 🔸 Blockchain Development: Experienced in dApp development, building projects on various blockchains such as EVM L1, L2, Ton, etc. 🔹 Smart Contracts: Skilled in designing and implementing secure smart contracts, ensuring seamless and reliable smart-contract-based applications. 🔸 Back-End Development: .NET | C# | TypeScript | Node.js | Nest.js | Next.js | ASP.NET Core | ASP.NET Web API | Express.js | Solidity | Tact | Rust 🔹 Front-End Development: React | Next.js | TypeScript | JavaScript | Vue.js | Redux | Zustand | Firebase | Supabase 🔸 Databases: MS SQL Server | PostgreSQL | MySQL | SQLite | RavenDB | MongoDB | Redis | Supabase | Firebase 🔹 DevOps: Azure | AWS | Docker | CI/CD | Ubuntu | Shell Scripts 🔸 API Integration: REST API | WebSocket | GraphQL | gRPC 🔹 Software Architecture: Experienced in creating complex solutions, especially in developing robust SaaS or PaaS solutions. I’m available 24/7. Let’s discuss your project! Join me in crafting tomorrow’s reality through innovative solutions! 🚀🌟
    Featured Skill Node.js
    Web Development
    Supabase
    MongoDB
    Ethereum
    Solidity
    Smart Contract
    Web3
    NestJS
    JavaScript
    TypeScript
    Next.js
    React
    Blockchain
    .NET Core
  • $35 hourly
    • 5.0/5
    • (3 jobs)
    Hello! Thank you for taking the time to review my profile. I am a highly versatile full-stack software engineer with over 7 years of experience. I specialize in transforming ideas into scalable products that serve thousands to millions of users. I am committed to delivering high-quality solutions and ensuring client satisfaction. 🥇 Skills Breakdown Languages: ECMAScript, TypeScript, Python 3, HTML, CSS, Sass, SCSS, GraphQL, Objective-C, Swift, C#, and more. Frameworks: Express.js, Bootstrap, Electron, Spring Boot, and more. Libraries/APIs: Redux, React Redux, jQuery, Vuex, and others. Tools: Docker Compose, GitHub, Slack, and more. Storage Solutions: Redis, OpenXML, and others. Development Paradigms: Functional Programming, Continuous Integration/Deployment, and more. Platforms: DigitalOcean, Windows, iOS, Android, and more. Additional Skills: Cloudflare, IT Security, Chrome Extensions, and more. 🥇 Experience Senior Software Engineer: Over 5 years Front-end Development: 7 years Full-Stack Development: 7 years I look forward to collaborating with you. Please feel free to 🎁INVITE🎁 me!
    Featured Skill Node.js
    React Native
    Flutter
    Vue.js
    web3.js
    Django
    Laravel
    Ruby on Rails
    Next.js
    React
    Java
    Ruby
    Python
    TypeScript
  • $50 hourly
    • 5.0/5
    • (2 jobs)
    I’m a results-driven Full Stack Engineer with 10 years of experience building high-impact web applications and AI-powered solutions that drive real business growth. My core stack includes React, Next.js, Node.js, GraphQL, and Python—tools I’ve mastered to deliver fast, scalable, and secure systems. From intelligent chatbot platforms to enterprise-grade SaaS apps, I specialize in transforming complex ideas into clean, high-performance products that users love and businesses rely on. ✅ Expert in Full Stack Development with React, Next.js, Node.js & Python ✅ Deep knowledge of GraphQL, REST APIs, and Scalable Microservices ✅ Advanced Chatbot & AI Integration (NLP, Automation, ML APIs) ✅ Strong focus on Performance, Security, UX, and Business Value I don’t just write code—I solve problems, lead solutions, and deliver results. Let’s build something that matters.
    Featured Skill Node.js
    AI Agent Development
    Chatbot
    Amazon Web Services
    Docker
    GraphQL
    PostgreSQL
    MongoDB
    Flask
    Django
    Python
    Tailwind CSS
    Redux
    Next.js
    React
  • $50 hourly
    • 5.0/5
    • (2 jobs)
    Hi, there! 👋👋 I am a Senior Full Stack Developer with extensive experience in creating scalable, high-performance web applications. I aim to craft seamless, reliable solutions that not only meet your business objectives but also provide an exceptional user experience and robust functionality. 🏆Professional Skills 👍Frontend Frameworks 🔹React, Next, Vue, Nuxt, Svelte, Angular 🔹TailwindCSS, MUI, AntD, Chakra UI, Vuetify 🔹HTML, CSS, SASS, SCSS, Bootstrap 🔹TypeScript, JavaScript 👍Backend Frameworks 🔹Python, Django, Flask, FastAPI 🔹Node.js, Express.js, Nest.js 🔹C#, .NET, ASP .NET Core 👍Database 🔹MongoDB, DynamoDB, Firebase, Redis, MySQL, PostgreSQL 👍API Integration 🔹RESTful APIs, WebSockets, GraphQL, Stripe, Paypal 🔹SendGrid, Twilio, Google APIs 👍Other 🔹AWS (EC2, S3, Lambda, RDS, CloudFront, CodePipeline, Elastic beanstalk) 🔹Git / GitHub / GitLab 🔹Docker / Jenkins / Azure / Kubernetes 🔹Unit Testing with Jest, Pytest and Mocha 🔹Cypress, Playwright I am committed to crafting clean, maintainable, and testable code while consistently adhering to industry best practices. Driven by a passion for learning, I actively explore new languages and tools, integrating the most effective approaches into my work. Combining technical expertise with a problem-solving mindset, I strive to deliver efficient, high-quality solutions tailored to my client's needs.
    Featured Skill Node.js
    Angular
    ASP.NET Core
    .NET Core
    C#
    NestJS
    ExpressJS
    JavaScript
    TypeScript
    Svelte
    Vue.js
    Python
    Flask
    Django
    React
  • $59 hourly
    • 4.9/5
    • (102 jobs)
    𝗟𝗲𝘁’𝘀 𝐛𝐮𝐢𝐥𝐝 𝐭𝐡𝐚𝐭 𝐭𝐡𝐢𝐧𝐠! 🚀 𝐎𝐧 𝐭𝐢𝐦𝐞 𝐚𝐧𝐝 𝐨𝐧 𝐛𝐮𝐝𝐠𝐞𝐭. 🏆 100+ custom app, mobile, and web projects delivered 🏅 14+ years of full-stack development experience 💯 100% job success rate Hi, I’m Kacper – the founder of Milo Solutions and a seasoned full-stack developer. I believe great software starts with understanding your 𝐯𝐢𝐬𝐢𝐨𝐧, 𝐠𝐨𝐚𝐥𝐬, and 𝐜𝐡𝐚𝐥𝐥𝐞𝐧𝐠𝐞𝐬. Along with building exceptional software, I offer guidance and advice to help refine your ideas, define a clear plan, and set your project up for success. Here's what my team and I can do for you: 🎯 𝐏𝐫𝐞-𝐈𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐚𝐭𝐢𝐨𝐧 𝐀𝐧𝐚𝐥𝐲𝐬𝐢𝐬 (𝐏𝐈𝐀): 🎯 Before we write a single line of code, I work with you to create a clear roadmap that helps to: • Reduce risks by addressing challenges upfront • Speed up development with a well-defined plan • Stay on time and on budget by avoiding costly surprises ⚙️ How we do it: Through collaborative workshops, we’ll: • Define your business goals and workflows • Identify your target users and their needs • Tailor solutions to meet your unique requirements. 🧩 What you get: ✅ Business analysis: A breakdown of goals, workflows, and how features align with your business needs. ✅ Technical plan: Architecture, tech stack, UI/UX prototypes, and strategies for scalability and security. ✅ Development roadmap: Step-by-step milestones, from Proof of Concept (POC) to full product launch. ✅ Workshop summary: Key insights, action points, and next steps to move your project forward confidently. 🖌️ 𝐔𝐈/𝐔𝐗 𝐃𝐞𝐬𝐢𝐠𝐧: 𝐔𝐬𝐞𝐫-𝐅𝐫𝐢𝐞𝐧𝐝𝐥𝐲 𝐈𝐧𝐭𝐞𝐫𝐟𝐚𝐜𝐞𝐬 🖌️ Our design process to create beautiful and intuitive experiences your users will love: 1. In-depth UX research to understand your users’ needs. 2. Early sketches and basic prototypes to explore ideas. 3. Detailed, high-quality mockups for the final product. 4. Usability testing to make sure everything works seamlessly. ⚙️ Design tools: Figma,  Adobe XD,  Sketch,  InVision,  Balsamiq,  Axure,  Proto.io, Framer and more.  🔥 𝗙𝗨𝗟𝗟-𝗦𝗧𝗔𝗖𝗞 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧: 𝗙𝗿𝗼𝗻𝘁 & 𝗯𝗮𝗰𝗸-𝗲𝗻𝗱🔥 We specialize in:  • 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞: Client-Server, Layered, Event-Driven, Peer-to-Peer (P2P), Plug-ins, Microservices, and MVC. • 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬: Django, React, Angular, Node.js, Vue, Ember, Semantic-UI, Backbone, jQuery, Qt, Flutter, React Native, and Node.js. • 𝐏𝐫𝐨𝐠𝐫𝐚𝐦𝐦𝐢𝐧𝐠 𝐥𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬: JavaScript, Python, C++, Qt, C, HTML, CSS, Rust, Perl, Go, TypeScript, SQL, Objective-C, Swift, Assembly, and R. • 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬: PostgreSQL, Redis, Elasticsearch, MySQL, SQLite, Oracle, MongoDB, and SQL Server. • 𝐃𝐞𝐯𝐎𝐩𝐬: Git, Jenkins, Docker, Kubernetes, AWS, Ansible, Microsoft Azure, Vagrant, CI/CD pipelines, Sentry, Google Cloud and Selenium. See our portfolio below 👇🏻 ✅ 𝗧𝗘𝗦𝗧𝗜𝗡𝗚: 𝗠𝗮𝗻𝘂𝗮𝗹 & 𝗮𝘂𝘁𝗼𝗺𝗮𝘁𝗲𝗱 𝘁𝗲𝘀𝘁𝗶𝗻𝗴 ✅  Our QA strategies to make sure your product is reliable, efficient, and ready for your users: • Test-Driven Development: We catch issues early by integrating testing into development. • Manual testing: We simulate real-world scenarios to ensure everything works as expected. • Automated testing: We improve accuracy and performance while saving you time and costs. ⚙️ QA Platforms: • 𝐖𝐞𝐛: Chrome, Safari, Edge, Opera, Firefox, Brave. • 𝐌𝐨𝐛𝐢𝐥𝐞: Android, iOS, ChromeOS, Tizen. • 𝐃𝐞𝐬𝐤𝐭𝐨𝐩: Windows, macOS, Linux, ChromeOS. • 𝐄𝐦𝐛𝐞𝐝𝐝𝐞𝐝: Raspberry Pi, Arduino, SparkFun, Beagleboard, BeagleBone Black, NVIDIA, Rock Pi, SimpleLink, UDOO, QNX, VxWorks, Seeed, Intel Nuc, Embedded Linux, Odroid-C2, Banana Pi, Qualcomm Snapdragon. • 𝐏𝐫𝐨𝐭𝐨𝐜𝐨𝐥𝐬: I2C, SPI, USART, USB, DMA, I2S, ADC, DAC, CAN, Ethernet. ⚙️ QA Tools:  TestRail, Selenium, Appium, Cypress.io, Postman, JMeter, Robot Framework, BrowserStack, Cucumber, Katalon, Squish, Zephyr, Bugzilla, Testim.io, and SoapUI.  🚀 𝗟𝗲𝘁’𝘀 𝗯𝗿𝗶𝗻𝗴 𝘆𝗼𝘂𝗿 𝘃𝗶𝘀𝗶𝗼𝗻 𝘁𝗼 𝗹𝗶𝗳𝗲 – 𝘁𝗼𝗴𝗲𝘁𝗵𝗲𝗿. With over 14 years of experience, I’m happy to offer both 𝐭𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐞𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐚𝐧𝐝 𝐚𝐝𝐯𝐢𝐬𝐨𝐫𝐲 or 𝐟𝐫𝐚𝐜𝐭𝐢𝐨𝐧𝐚𝐥 𝐂𝐓𝐎 𝐬𝐮𝐩𝐩𝐨𝐫𝐭, if needed. Unsure about the next steps? 🤷🏻‍♂️ Let me help. I can: • Help refine your idea and define a clear product vision • Recommend the best technologies and tools • Scope out your project to ensure it’s realistic, scalable, and aligned with your goals and budget We’ve delivered solutions for industries such as: • Business Operations • E-commerce & Marketplaces • FinTech & Blockchain • Healthcare & Biotech • Education & Science • Embedded Systems • Travel & Hospitality • Gaming & Entertainment Ready to take your idea from concept to reality? Let’s talk. 📞
    Featured Skill Node.js
    Full-Stack Development
    UX & UI
    QA Testing
    UI/UX Prototyping
    Web Design
    Startup Consulting
    Website
    Web Development
    Figma
    Mobile App Design
    Django
    Mobile App Development
    C++
    React
  • $35 hourly
    • 4.9/5
    • (121 jobs)
    Professional UX/UI Designer, CDO and co-founder of a company of high qualified specialists in Web/Mobile development and UX/UI Design called Niwart (niwart.io). We specialize in creating solutions for businesses of different sizes and spheres, and also help to transform our clients’ ideas into high-quality, modern, and competitive products. We focus on the end-to-end user-centered-driven process that includes detailed research, specification, and user flow creation in the first phase. Our process of a project creation (Design and Development): UX/UI Design: ✅ Discovery phase ✅ User Flow creation ✅ Wireframe creation ✅ Mockups ✅ Interactive prototype Development: ✅ Specification approval ✅ Project set-up ✅ Development ✅ Testing ✅ Launch Some information about me and our team: 🌟 5+ years of experience 🌟 10 + high qualified specialists 🌟 100 + successfully built projects of different complexity for various business spheres 🌟 90% of our clients are becoming long-term 🌟 100% satisfied clients all over the World About technologies we specialize in: 🔷 Programming languages: PHP, Python, JavaScript, Typescript, С#, Java 🔷 Frameworks: ReactJs, VueJs, Angular, NodeJs, Express, NestJs 🔷 Cloud Storage/DB: Mysql, MongoDB, Postgre SQL 🔷 CMS: Wordpress, Webflow, Opencart, Prestashop 🔷 Mobile Development (React Native, Flutter, Kotlin) For us, the most important is to meet all of our clients’ expectations, consult them based on our experience and help to make their business grow. I’m looking forward to discussing your project together and helping you implement your idea in Life!
    Featured Skill Node.js
    Ecommerce Website
    Vue.js
    App Development
    Laravel
    React
    WordPress Development
    Product Design
    Webflow
    Web Design
    User Interface Design
    Mobile UI Design
    Web Development
    User Flow
    Figma
  • $30 hourly
    • 5.0/5
    • (23 jobs)
    ⚠️ 𝐏𝐫𝐞𝐬𝐬 𝐈𝐧𝐯𝐢𝐭𝐞 𝐁𝐮𝐭𝐭𝐨𝐧 𝐨𝐧 𝐦𝐲 𝐩𝐚𝐠𝐞 𝐚𝐧𝐝 𝐥𝐞𝐭'𝐬 𝐭𝐚𝐥𝐤 🥇 What's my benefit? - 10+ years of experience in web development. - successfully launched web applications, some of which received over $1 million in funding. - experience in creating software startups, especially when it involves complex user experiences. 🔥 100+ projects working in both scrum and kanban methodologies. In teams of 5-15 people I built and maintained web applications that are used by thousands of users a day from all over the world. Ensured the responsiveness, scalability, crossbrowser and cross-device compatibility. 🏆 Top Projects: - Frontend development for educational platform that hosts frontend and backend courses - React.js development for Fintech web application - renewable energy marketplace - Multisite platform front-end development for Bacardi 🏢 Domains: EdTech, Retail/Ecommerce, FinTech, Entartainment, Crypto, Bitcoin ⚒️ Tools: WebStorm, Visual Studio Code, Git, Github, Gitlab, npm, LESS, SaaS, Webpack, Yarn, Bower, Chrome DevTools, Jest, Swagger, Postman for API Integration 💯 Top skills: - Collaborating with other developers and stakeholders - Enjoying solving complex problems - I'm user-friendly interfaces addicted that meet the client's needs. - Solid foundation in data analysis and business logic. 👩‍💻 Technical skills: Robust skills in creating React + Node.js web applications. React.js development, CSS, JavaScript, CSS3, TypeScript, Next.js platform development, GraphQL, Node.js application development, Tailwind CSS My goal is to develop high-quality and innovative web development that make a positive impact. Do you want a web application for you business or update an existing one? ⚠️ 𝐏𝐫𝐞𝐬𝐬 𝐈𝐧𝐯𝐢𝐭𝐞 𝐁𝐮𝐭𝐭𝐨𝐧 𝐨𝐧 𝐦𝐲 𝐩𝐚𝐠𝐞 𝐚𝐧𝐝 𝐥𝐞𝐭'𝐬 𝐭𝐚𝐥𝐤
    Featured Skill Node.js
    API Integration
    SaaS
    Web Application
    GraphQL
    TypeScript
    CSS 3
    Web Development
    Redux
    Next.js
    Tailwind CSS
    JavaScript
    CSS
    React
    HTML
  • $29 hourly
    • 5.0/5
    • (7 jobs)
    I'm a Senior Full Stack Developer with 10+ years of experience in Full Stack development. 🏆 Certified Senior Full Stack Developer in React.js, Node.js, Next.js, Nest.js, ExpressJS 🏆 Top Rated Upwork Full Stack Developer React Node.js 💎 10+ Years of commercial experience as a Full Stack Developer 🏆 20+ Successfully finished projects on Upwork with 5 stars feedback 🕒 1500+ Total Working Hours on Upwork 🏆 Master's Degree in Computer Science , I have strong experience in providing development services: 💎 As Front End Developer - Creating responsive and user-friendly interfaces on React and Next.js. 💎 As Back End Developer - Building robust and scalable server-side applications and APIs on Node.js. It also could be NestJS backend or ExpressJS backend as I'm NestJS developer and Express JS developer, too 💎 As Full Stack Developer - Providing comprehensive solutions by writing clean, maintainable, and reusable code, covering both front-end and back-end development, also working with MERN stack. I have strong and proven expertise & skills in: 🛠 Front-End Development - React, Next.js 🛠 Back-End Development - Node.js, Nest.js, Express.js 🛠 Database - MongoDB, Firebase, MySQL, PostgreSQL, Supabase 🛠 Programming Languages - JavaScript, TypeScript 🛠 Communication - RESTful APIs, GraphQL, WebSockets 🛠 Design Tools - Figma, Adobe XD, Sketch 🛠 Version Control - Git & GitHub & GitLab & Bitbucket 🛠 CI/CD - Jenkins GitLab CI 🛠 Project Management - Jira, Trello, Asana, Notion 🛠 Testing Frameworks - Jest, Mocha, Unit testing 🛠 Libraries - Bootstrap, Moment.js, Redux, Redux-toolkit, Redux-saga, Material-UI, React-query, Axios, Sequelize, TypeORM, Socket.IO, JsonWebToken, Formik, React Hook Fosm, ANTD, Storybook, Highcharts, RxJs; Tailwind CSS; React Twilio Why My Full Stack Development Solutions Stand Out:
 📍 I successfully built and maintained a lot of scalable SaaS solutions, Web applications (web apps), websites, landing pages, PWA, SPA, Admin Panels, CRM, ERP, E-commerce marketplaces, IoT, Proof of Concept (POC), MVP, machine learning, Booking platforms, Shopify apps, E-learning platforms, Finance apps, chatbot development, Stock trading app for day trading and others. 📍I have proven experience in development for: E-commerce, Healthcare, Real Estate, Education, Fintech, AI solutions, Management, Travel and Hospitality. 📍 I successfully integrated: WebSockets, RESTful APIs, and third-party APIs such as: Stripe API, Zoom API, OpenAI API, ChatGPT, shopify plugin, capacitor vue, wordpress speed. 📍 Have proven experience with such authorization services: OAuth, JWT, OAuth2, Web Tokens As I enjoy thinking outside the box my clients got the next extra benefits: ✅ +20% Efficiency Increase: My work helps projects be delivered faster using streamline workflow and agile methods. I write code efficiently so products reach the market quickly. ✅ +30% User Engagement Enhance: My designs and responsive interfaces attract users and make them interact more, which leads to higher satisfaction and conversion rates that grow business. ✅ 100% Scalability & Performance: I build systems that can handle heavy traffic with fast performance and very little downtime. This supports your business operation success. ✅ 100% Custom Fit Solutions: I create tailor-made solutions that match each client's business needs, resulting in real improvements in productivity and ROI. ✅ 15% Cost Saving: By optimizing code and infrastructure, my solution reduces long-term maintenance costs and resource expenses, saving money for business. 🏆 As an Expert in Full Stack development, I have strong experience working as: React Developer, Front end Developer, Back end Developer, Full-Stack developer, Full Stack React Developer, JavaScript Developer, React JS Developer, React Web Developer, Nest.js developer, MERN Stack developer, Software developer, Web developer, SaaS developer, Full Stack developer React, Next.js Developer, Node.js Developer, WordPress developer, React Native developer, Mobile App developer, Python rest api developer, Python developer, Java developer, Python NodeJS developer, React Native Full Stack developer and DBA, SaaS marketing adviser, front end WordPress, Full Stack Web developer, API developer, JavaScript Developer. Also, helped with UX UI web design as a ui ux designer. Have experience working with: angular, laravel, ruby on rails, spring framework. I excel both as an independent developer and as part of a team, and I would be delighted to collaborate with your team if the opportunity arises. As an Expert Full Stack Developer and CEO of a Development company, I'm ready to elevate your project to new heights of success! 🚀🚀🚀
    Featured Skill Node.js
    AI Development
    Full-Stack Development
    API
    API Development
    Tailwind CSS
    Next.js
    ExpressJS
    RESTful API
    Web Development
    JavaScript
    TypeScript
    MongoDB
    React
  • $30 hourly
    • 5.0/5
    • (31 jobs)
    We Can help you: ★ Product Design & Development 🔸 Create the architecture of your next mobile app using React Native and Flutter 🔸 A to Z app design and development 🔸 Set up a development team and delivery processes 🔸 Review the quality of the code 🔸 Help to find bottlenecks on the technologies side for the rapid growth of your product 🔸 Consultancy to make app GDPR, HIPAA, and MDR compliant ★ Software testing 🔸 QA Audits and Assessments 🔸 QA Staffing 🔸 Dedicated QA team 🔸 Managed testing 🔸 Mobile app testing 🔸 Web app testing 🔸 DevOps Hi 👋 my name is Liudmyla Dziubynska, and I am a professional software engineer with more than 8+ years of experience creating custom high-load platforms and applications. Since 2017, I have been leading a team of software development engineers with deep expertise and focusing on developing custom cross-platform and web applications using: 🔹 Javascript & TypeScript 🔹 ReactJS 🔹 React Native 🔹 Flutter 🔹 NodeJS (NestJS, Express) Our developers not only pay attention to technical aspects, but we also have experiences in business domains, such as: 🔸 HealthCare 🔸 FinTech 🔸 Logistics 🔸 SaaS solutions 📌 What value we can bring: • Technical risk management. We care about the technical edge cases of the product to avoid any data breaches or fines in the future • Direct communication with the whole team and transparent cooperation • Solid processes in development, testing, and product delivery • Flexible working with the various time zones 📌 Key information about ZenBit Tech: • Delivery software development services since 2017 • ISO13486 certified • Headquarters and R&D in Eastern Europe with the sales office in the UK • Participating in and committed to the IT community (IT hubs, organizing local events, meetings, etc.) 🤔 Interesting in building a scalable and successful product? I would be happy to share my experience and provide you with a solution!
    Featured Skill Node.js
    Full-Stack Development
    Flutter
    Healthcare
    CRM Software
    NestJS
    OpenAPI
    React
    Redux
    GraphQL
    TypeScript
    MongoDB
    JavaScript
    React Native
    PostgreSQL
  • $40 hourly
    • 4.7/5
    • (17 jobs)
    JavaScript/TypeScript Full-Stack Web/Software Developer. I am creating front-end application using Angular. I use most modern standards of Javascript and Typescript. I have experience in creating Ionic app with management by any systems. I am engaged in the administration and configuration of the Heroku application. I have experience in creating a design using Adobe Photoshop, development of an responsive site use Bootstrap 4, SASS and the most usefull frameworks and libraries (jQuery, React, Angular). For automation of work, I prefer to use NPM, Gulp. To control the projects I use GIT. Projects are tested on all types of supported devices. With the theme on WordPress I use various plugins (e.g. Unyson). I finish all projects to the end and each client I will provide a free consultation on improving the project. For me, long-term relationships with the client are important. It is important for me that you are satisfied
    Featured Skill Node.js
    Angular 2
    WordPress Theme
    TypeScript
    RxJS
    ExpressJS
    JavaScript
    Angular
    HTML
  • $45 hourly
    • 5.0/5
    • (22 jobs)
    Legacy tech dragging your business down? 𝐈 𝐡𝐞𝐥𝐩 𝐟𝐨𝐮𝐧𝐝𝐞𝐫𝐬 𝐚𝐧𝐝 𝐭𝐞𝐚𝐦𝐬 𝐫𝐞𝐩𝐥𝐚𝐜𝐞 𝐛𝐫𝐢𝐭𝐭𝐥𝐞 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 𝐰𝐢𝐭𝐡 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞, 𝐜𝐥𝐨𝐮𝐝-𝐧𝐚𝐭𝐢𝐯𝐞 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 - without breaking everything in the process. I’m Kyrylo - Full Stack Developer with 𝟏𝟓+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 shipping products that last. From old-school WinForms to modern React/Node microservices on AWS and Azure, I’ve done the full arc - and I know how to modernize without creating chaos. Starting with WinForms and Windows Mobile in the mid-2000s, I’ve evolved with the tech landscape- today delivering scalable web solutions, secure API integrations, and optimized cloud hosting environments for startups, agencies, and enterprises. ✅ Core Expertise: Cloud Platforms: AWS, Azure, Cloud Hosting, CI/CD Backend: Node.js, .NET Core, .NET Framework, RESTful API Development, Microservices Frontend: React, Vue, Angular, JavaScript, HTML/CSS Database: SQL Server, PostgreSQL, MySQL, MongoDB, Database Design Infrastructure: Docker, GitHub Actions, Azure Pipelines API Integration: Stripe, Twilio, SendGrid, HubSpot, Shopify, QuickBooks, Zoom, PayPal, Google Maps, Slack, REST & GraphQL APIs Whether you’re building a cloud-native SaaS product, integrating third-party APIs, or modernizing internal tools, I bring a balance of technical depth, business understanding, and strong collaboration. Let’s talk. Send me a message and I’ll shoot over a few ideas or a quick audit of your current stack - no pressure.
    Featured Skill Node.js
    JavaScript
    PostgreSQL
    API Integration
    Next.js
    Web Development
    AWS Lambda
    Angular
    C#
    .NET Core
    React
    Vue.js
    ASP.NET Core
    SaaS
    Umbraco
  • $80 hourly
    • 5.0/5
    • (15 jobs)
    🌟 Lead Software Engineer & Data Scientist | Tech Startup Specialist 🎓 MSc Computer Science 🚀 10+ Years Elevating Tech Startups with Advanced Full Stack Development & Data Science At the forefront of tech innovation, I specialize in endless product development, bringing unmatched expertise to robust, scalable solutions. My career spans a series of groundbreaking startups, contributing to multimillion-dollar success stories. My business experience perfectly complement my technical skills, enabling me to align software development with core business goals, market analysis, and efficient team management. 🔑 Core Strengths: * Advanced skills in FastAPI for top-tier API design. * Mastery in data mining and automation with Playwright and Selenium * Deep knowledge in distributed systems, including Kafka and microservices architectures. * Proven excellence in AI and ML, with expertise in TensorFlow and PyTorch. * Proficiency in Cloud Computing with AWS, Azure, DigitalOcean, and GCP. * Expertise in containerization with Docker and Kubernetes (k8s). * Strong knowledge in cybersecurity, ethical hacking, and penetration testing. ✅ Full Stack Development: - Languages: Python, JavaScript, TypeScript, Java, C/C++, Bash; - Python Web Frameworks: FastAPI, Flask, Django, CherryPy, Falcon, Django rest framework, Tornado; - Node.js Web Frameworks: Express.js, Koa.js, Socket.io, Feather.js, Sails.js, Nest.js; - Front-end: React.js, Vue.js; - Databases: MongoDB (GridFS), PostgreSQL, MySQL, MariaDB, Redis, Neo4j, NoSQL; - ORMs: SQLAlchemy, Mongoengine, Marshmallow, Sequelize.js, Mongoose, Prisma; - AMQ: Celery, RabbitMQ; - CI/CD: Docker, docker-compose, kubernetes (k8s); - Deployment: GCP, AWS, MS Azure, DigitalOcean; - SSO: AWS Cognito / Amplify, Auth0, Okta, OneLogin, ORY.sh; - OAuth2.0 OpenID Connect and role management policies: RBAC, ACL, ACP, IAM. 📈 Business Impact: * Contributed to multinational projects for Coca-Cola, Unilever, Sberbank, Bankcolombia, Wargaming; * Recognized in international tech forums, including IAB and Web Summit; 📦 Technical skills: Node.js, Python, Javascript, TypeScript, Java, GoLang, Git, RESTful API, GraphQL, MERN, ES5, ES6, Express, Koa, Feather.js, Sails.js, MongoDB, Redis, DynamoDB, Kafka, MySQL, PostgreSQL, MariaDB, Neo4j, Flask, Django, Selenium, Scrapy, React, React Native, Redux, Vue.js, Webpack, Gulp, Grunt, Pandas, Tensorflow, Keras, NumPy, Docker, Docker-compose, Kubernetes, k8s, Jenkins, Google Cloud Platform, AWS, Microsoft Azure, Cognito, Auth0, Okta, Dialogflow, RASA, Segment, Google Tag Manager, Facebook Pixel, JWT, SQLite, Peewee.
    Featured Skill Node.js
    Data Engineering
    Scrapy
    PostgreSQL
    ClickHouse
    Django
    FastAPI
    RabbitMQ
    Web Scraping
    Selenium
    Back-End Development
    Data Analysis
    RESTful API
    Full-Stack Development
    Python
  • $60 hourly
    • 4.9/5
    • (10 jobs)
    For the last 5 years, I've been specializing in Full Stack solutions development and management. As a project manager in the past, I can organize my work without extra management. Also, I’m always happy to share my expertise and help with project management. For the last 2 years, I run my own development company and have taken an active part in projects development. Took a part in 30+ projects in different areas — Business Management, Healthcare, Fitness, Lead Generation, eCommerce, Booking, Streaming/OTT, Data Processing & Visualization, Education, Logistics, and Entertainment, always with 100% satisfied clients. What I do: ✅ Web Application and Website creation from scratch ✅ Mobile Application creation from scratch ✅ Technical research and consultation ✅ Solutions for architecture design ✅ Project Management I use: 🔹 Node.js / Express.js, NestJS 🔹 React / Next.js, Vue.js / Nuxt.js, Vuetify 🔹 TypeScript 🔹 Flutter, Ionic 🔹 Python / Flask, Jinja2 🔹 PHP / Laravel, Yii2, WordPress 🔹 AWS, Firebase 🔹 REST, SSR 🔹 APIs integration 🔹 NoSQL databases (including MongoDB etc.) 🔹 SQL databases (including MySQL, PostgreSQL etc.) 🔹 Microservices 🔹 HTML, CSS / SCSS, Tailwind, Bootstrap 🔹 PM / Agile, Scrum, Kanban, Jira, Trello, Asana, Miro
    Featured Skill Node.js
    Flutter
    Agile Project Management
    Dart
    NestJS
    Flask
    Python
    SQL
    Nuxt.js
    Vue.js
    MongoDB
    TypeScript
    Next.js
    ExpressJS
    React
  • $40 hourly
    • 5.0/5
    • (2 jobs)
    A seasoned CTO with over 10 years of experience in the tech industry. I can help you develop an application or website starting from doing the estimation up to the delivery and maintenance. My services: React, Node.js, React Native, Ruby on Rails, Ruby, Python, Django, Flask, Java, AWS, No-Code Development, DevOps, JavaScript, Flutter, Serverless Stack, GCP, AWS, API Gateway. Checkout some interesting projects I worked on in the work history and portfolio sections below ⤵️
    Featured Skill Node.js
    Google Cloud Platform
    AWS Development
    Full-Stack Development
    Web Development
    No-Code Development
    Serverless Stack
    DevOps
    Flutter
    React Native
    React
    Python
    Java
    JavaScript
    Ruby
  • $40 hourly
    • 5.0/5
    • (6 jobs)
    Tech Lead at TeaCode.io | Here to help you 🏗️ build and ⚡ upgrade your web application. Why me 🤔? 👑 100% Job Success ⭐ Top Rated 👨‍💻 +10 Years of Experience "Actions speaks louder than words". Review my portfolio to see examples of my work. My tech stack? 💬 TypeScript | JavaScript | CSS | HTML 🛠️ Next.js | React.js | React Native ⚙️ Node.js | PostgreSQL | MongoDB And a couple others 😉. Feel free to ask. How can we start 🚀 our collaboration? I invite you to a video call ☎️ to discuss your project's details and its implementation. After this I am more then happy to provide you with a time and cost estimate. How do we collaborate 🤝 to get your project done successfully? 🗣️ Clear and transparent communication 💡 Proactive approach 💎 Top technical expertise Thank you for taking the time to review my profile ❤️. Let's work together!
    Featured Skill Node.js
    MongoDB
    Tailwind CSS
    Material UI
    PostgreSQL
    TypeScript
    React
    Next.js
    Amazon Web Services
    Hybrid App Development
    Web Application Development
  • $40 hourly
    • 5.0/5
    • (26 jobs)
    I am a PowerApps and SharePoint specialist with 10+ years of experience building no code, low code, and custom solutions. I have expertise in PowerApps, Power Automate, SharePoint, Teams, and Office 365. I can help you build a complex application, automate your business processes, or integrate your internal systems.
    Featured Skill Node.js
    Microsoft SharePoint Development
    Microsoft Teams
    Next.js
    Microsoft Power BI
    TypeScript
    React
    JavaScript
    Office 365
    Microsoft SharePoint
    Microsoft Power Automate
    Microsoft PowerApps
  • $57 hourly
    • 4.5/5
    • (22 jobs)
    🏅 I began my journey in software development in 2012. 🏅 I have achieved success in launching startups and securing funding of $30 millions and more for SaaS applications. 🏅 My Team recognized as one of the best Software Firms in San Diego by Clutch. 🏅 70% of my clients are long-term. 💻 Why me? - I offer free technical consultations, no strings attached. - I provide a 6-months warranty period. - I don’t outsource work to third parties. I can help you conceptualize, build, and integrate complex software solutions. I never break the trust of my customers by unveiling any data related to their projects. I am willing to sign an NDA to ensure that your confidential information is protected. 💻 My areas of expertise include: - Web development - Mobile development (iOS and Android) - Desktop applications development (Windows and macOS) - UX/UI design From filling in gaps to full-cycle software development, I will get you covered. 💻Tech stack: - LANGUAGES: JavaScript, TypeScript, Python - FRONTEND FRAMEWORKS: Angular 2+, React.js, Vue.js FRONTEND TECHNOLOGIES: HTML5, CSS3, sass, Bootstrap, REST API, GraphQL API, Redux, RxJS, Vuex, Material UI, DOM Realtime And Messaging Technologies: RabitMQ, Socket.IO, WebRTC, Agora.io BACKEND FRAMEWORKS: Express, NestJS, Adonis.js, FeathersJS, Loopback, Django Rest Framework, Flask BACKEND TECHNOLOGIES: Node.js, PostgreSQL, MySQL, MongoDB, SQLite, Firebase, Redis, ElasticSearch MOBILE: React Native, Swift, JAVA, Kotlin, Ionic, Native-Script TRACKING SYSTEM: Trello, Jira SOURCE CONTROL: GIT ADDITIONAL: Ngnix, apache, pm2, Docker, Jenkins, AWS, DigitalOcean, Google Cloud, FCM, PUSHER Amazon Iot-core, Amazon EC2, Dynamo DB, AWS Elastic Beanstalk, AWS S3 My biggest motivation is to create value for clients. Over the years, I have helped hundreds of businesses to grow online. I have extensive experience in: - Finance - Healthcare - Manufacturing - Transport - Electronics - Education - Telecom - Construction - Music - Retail & eCommerce Contact me to get a free consultation on your software development project.
    Featured Skill Node.js
    Web Development
    SaaS Development
    Database
    Test-Driven Development
    Python
    React Native
    Swift
    Angular
    Object-Oriented Programming
    Lean Startup
    Startup Company
    Microservice
    App Development
    React
    Web Design
  • $35 hourly
    • 5.0/5
    • (3 jobs)
    Enthusiastic developer with 6 years of experience in software development, with 3 years of exclusive experience in Node.js web development. I believe that every man should raise exception in a child process, sort a binary tree and build a house hunting web application. Computer science is not only my daily routine but also my passion - I love to experiment and improve as a developer. I have experience in CI(Github Actions, Circle CI and Bitbucket Pipelines), automated(and not) deployment to test and production environments, containerization, unit/integration testing, git(git-flow, conventional commits) and other stuff required for web application development.
    Featured Skill Node.js
    Drift
    Flutter Stack
    Firebase
    Linux
    Google Cloud Platform
    Docker
    PostgreSQL
    Firebase Cloud Firestore
    MongoDB
    SQL
    JavaScript
    React
    TypeScript
  • $40 hourly
    • 5.0/5
    • (48 jobs)
    💻 My greatest strengths are my extensive experience and deep expertise in React development and Project Management. I’ve successfully completed numerous projects using React for both web and mobile applications and am committed to continuously enhancing my skills. Here are some key metrics showcasing my professionalism: ⭐ 11,000+ hours worked on Upwork ✅ 70+ successfully executed projects 🔧 Excellent troubleshooting skills 🏆 Exceptional Top Rated Plus engineer 👍 70+ satisfied customers Focusing on React, I deliver high-performance front-end applications and full-stack solutions, leveraging my skills in API integration, automation, and mobile development. Whether creating dynamic web applications or building mobile apps, I provide efficient and scalable solutions. I am proficient in a wide array of technologies, including: 🚀 Key Skills: ⚛️ React, React Native, Redux, JavaScript, Node.js, API Integration 🌐 Full-Stack Development, Web Development, API Integration 🛠️ MongoDB, Express.js, AngularJS, Web3.js, PHP, WordPress 📱 Mobile Development (iOS, Android, Flutter), Firebase, Automation 💻 TypeScript, CSS, HTML, PHP, AI App Development 🤖 Google Chrome Extensions, Hybrid App Development ☁️ Microsoft SQL Server, Microsoft Graph API, Python 📈 SEO, GitHub, ChatGPT API Integration Keywords: Mobile App Development, Android, Android App Development, Dart, Expo.io, Firebase, Firetime Realtime Database, Flutter, FlutterFlow, Hybrid App Development, In-app Purchases, iOS, iOS Development, Java, Kotlin, Native App Development, Push Notifications, React Native, Swift, User Authentication, UX Design. Web Development: React, React.js, Redux, TypeScript, UI/UX Design, AngularJS, API, CSS, Debugging, Express.js, Firebase, GitHub, Google Cloud Platforms, HTML, JavaScript, PHP, PostgreSQL, Web Development, WordPress. Full-Stack Development: API Development, Backend, CSS, Dart, Express.js, Full-stack Development, MongoDB, Node.js, PHP, Push Notifications, Redux, Vuex. AI Development: AI App Development, AI Model Integration, AI Text-to-Speech, ChatGPT API Integration, Machine Learning. I thrive in agile environments, delivering high-quality results and collaborating effectively with cross-functional teams. My deep knowledge of React and full-stack technologies allows me to create solutions tailored to your business needs. If you're looking for a reliable, detail-oriented developer, I'm your go-to expert. 🌟 Check out my portfolio, work history, and client reviews to see my reliability! When you're ready, just send me an invite, and I’ll be happy to help you bring your dream app to life—one that not only generates revenue but is also something you’ll be proud of! 🚀💼
    Featured Skill Node.js
    Java
    Flutter
    API
    Front-End Development
    Back-End Development
    Mobile App Development
    React Native
    Artificial Intelligence
    API Integration
    JavaScript
    React
    MongoDB
    Web Development
    Full-Stack Development
  • $40 hourly
    • 5.0/5
    • (44 jobs)
    👋 Nice to meet you, I’m Alena 🍋 For over 7 years, I’ve been working in Salesforce development and administration. I value honest relationships and delivering high-quality work. Led a team of 15 professionals to complete projects on time and within budget 🟡 I have been building, improving, and managing a variety of systems with diverse user bases and business types to meet clients' requirements. My passion lies in AppExchange product development, and I have successfully listed multiple packages and passed the Security Review. 🟡 Handle all aspects of the Salesforce.com platform, including Sales Cloud, Service Cloud, Experience Cloud, B2B Commerce, CPQ, and Pardot. Assignments I can complete: ☁️ Any Salesforce implementations and customization ☁️ SaaS development ☁️ Custom Salesforce development. Backend and frontend (Apex, VF, Lightning, Aura, LWC). ☁️ API Integrations with other platforms, apps ☁️ Data migration from other CRMs ☁️ AppExchange product development ☁️ Security review for AppExchange ☁️ Support & Maintenance of existing Salesforce apps ☁️ Hybrid applications development. Ionic, Cordova ☁️ UI/UX Frontend (JavaScript, JQuery, Angular, ReactJS, VueJS, CSS3, HTML5) ☁️ Heroku or AWS Backend (NodeJS, PHP, MySQL, PostgreSQL, MongoDB). Your goal is my mission 💛 ✉️ Contact me, and we’ll achieve it together!
    Featured Skill Node.js
    API
    Commerce Cloud
    Heroku
    Apex
    Salesforce App Development
    Salesforce Service Cloud
    Dashboard
    Salesforce
    Visualforce
    AppExchange
    Salesforce Lightning
    Hybrid App Development
    Salesforce CRM
    API Development
  • $50 hourly
    • 4.6/5
    • (17 jobs)
    I’m a Senior Frontend Developer with over 8 years of commercial experience. Technologies and tools I have worked with: ✔ React, Redux, Next.js TypeScript, REST API ✔ React Native ✔ AngularJS, Vue ✔ Storybook, Styleguidist ✔ JavaScript, jQuery ✔ HTML5, CSS3, Sass/LESS/CSS Modules/styled-components ✔ Responsive Web Design ✔ Bootstrap 3 and 4, Tailwind CSS, Bulma, Material Design ✔ Webpack/Grunt/Gulp ✔ Jira, Asana, Trello ✔ Postgres, MySQL, MongoDB ✔ Git, Bitbucket, SVN ✔ Basics of Photoshop and design I specialize in creating React apps. I follow React library development, so my code is always up to date. I use trending and known libraries to keep quality code and fully functional, good looking, fast rendering websites as well as web apps. I have experience in managing projects and people, planning, code reviewing, writing down tasks, onboarding new developers and mentoring. I put them in a test with many teams and we always managed to work with an attitude to finish the project, the whole team is proud of. Reasons to hire me: ✔ I communicate on every step of the development to meet your expectations with high quality and well-tested product. ✔ I am flexible with my working hours. ✔ I have a great passion for learning and I’m following the latest development standards. ✔ I always meet the deadline. ***** I'm a developer - not a coder. ***** I will not only produce code to implement features, but also give my own advises in terms of UX of the application. Let's make your app great together!
    Featured Skill Node.js
    Redux
    Project Management
    Web Application
    React Native
    TypeScript
    CMS Development
    Tailwind CSS
    Front-End Development
    React
    App Development
    Web Design
    JavaScript
    Responsive Design
    CSS
  • $80 hourly
    • 5.0/5
    • (36 jobs)
    I'm passionate about complicated projects but generally can do everything - from landing pages to complicated SPAs using different frameworks.
    Featured Skill Node.js
    Google APIs
    Performance Optimization
    GraphQL
    Apollo.io
    Tailwind CSS
    Next.js
    AWS Amplify
    Material UI
    React
    Gatsby.js
    HTML5
    JavaScript
    CSS
    Front-End Development
  • $35 hourly
    • 5.0/5
    • (6 jobs)
    🚀 Hello, I’m software engineer with 8+ years of experience, specializing in automating business workflows, creating human-like automation behaviors with anti-bot evasion strategies, building scalable web applications, and integrating advanced APIs to streamline operations. With expertise in JavaScript, Python, Go and DevOps, I deliver solutions that save time, reduce costs, and enhance performance. 🔥 My services: ✔️ Web & App Development → Custom web platforms, admin dashboards, and interactive UIs. ✔️ Automation & Scraping → Data extraction, RPA, antibot evasion strategies, browser automation, and workflow optimization. ✔️ Telegram Bot Development → Chatbots, messaging automation, and customer service solutions. ✔️ API Development & Integration → Connecting systems with secure and optimized API solutions. ✔️ DevOps & Deployment → CI/CD pipelines, containerization, and scalable cloud infrastructure. 🔥 List of skills: ⚙️ FullStack JS - React, Express, NodeJS, Svelte, NextJS, Vue ⚙️ Python - Django, Flask, BeautifulSoup ⚙️ DevOps - Docker, Kubernetes, GitLab CI/CD, AWS, Azure ⚙️ PHP - Symfony, Drupal, Laravel, Wordpress ⚙️ API - Open AI, Gemini, Telegram API, etc ⚙️ Automation - Robotic Desktop Automation (RDA), Web Automation, Web Scraping, Data Scraping, Data Extraction ========================== 🔹 Automation & Data Extraction ❏ Basic Web Scraping: Extracting structured and unstructured data using libraries like BeautifulSoup, Scrapy, and Cheerio. ❏ Advanced Web Scraping & Browser Automation: Handling complex scraping challenges with Playwright, Puppeteer, and headless browser techniques. ❏ Anti-Detection & Evasion Strategies: Implementing fingerprinting software, proxy rotation, and CAPTCHA-solving techniques to bypass bot detection systems. ❏ Building automated systems that schedule and execute tasks using Celery, Redis, BullMq, Apache Airflow, and system-level task schedulers (cron jobs, Windows Task Scheduler). ❏ Designing resilient, fault-tolerant workflows using Temporal.io to manage complex business processes with automatic retries and error handling. ❏ Developing self-healing automation pipelines that recover from failures and retry failed jobs. 🔹 Full-Stack Development ❏ Full-Stack JavaScript Development: Building dynamic and responsive web applications using frameworks and libraries such as React, Express, Node.js, Svelte, Next.js, and Vue.js. ❏ Python Development: Developing robust backend systems, automations and data processing solutions with Django and Flask ❏ PHP Development: Creating custom content management systems and websites using Symfony, Drupal, Laravel, and WordPress. ❏ Go Development: Building scalable and efficient server and web applications with Go (Gin, Echo) ❏ Optimizing database queries and structuring data with PostgreSQL, MySQL, MongoDB, and Redis. 🔹 Telegram Bot Development & Messaging Automation ❏ Building interactive Telegram bots with features like inline keyboards, menus, and user-friendly control panels. ❏ Developing real-time notification and alerting systems for automated updates. ❏ Integrating Telegram bots with APIs, databases, and automation pipelines for enhanced functionality. ❏ Handling multi-user interactions and scaling bot infrastructure efficiently. 🔹 API Development & Integration ❏ Developing RESTful and GraphQL APIs with Express.js, FastAPI, Django REST Framework, and Flask. ❏ Integrating third-party APIs (OpenAI, Gemini, Telegram, Stripe, Twilio) to enhance business workflows. ❏ Securing and optimizing API performance with rate-limiting, caching, and authentication mechanisms (JWT, OAuth, API Keys). 🔹 DevOps Engineering ❏ Enhancing deployment efficiency and system reliability through tools and platforms like Docker, Kubernetes, GitLab CI/CD, AWS, and Azure. ❏ Automating infrastructure provisioning using Terraform and Ansible. ❏ Implementing real-time error monitoring and logging using Sentry to quickly detect and resolve issues. ========================== 🔥 Some of my recent projects: 💾 A schedule-based automation platform for review sites featuring an advanced UI panel and integration with anti-detect browsers. 💾 An automation tool for social media account authorization and scheduled task execution. 💾 A live price scraper with advanced anti-bot evasion strategies. 💾 An automation platform for marketplaces that streamlined product creation and competitor scraping. 💾 An email automation service with automatic login and task scheduling across multiple email providers. 💾 A META-based profile automation software for seamless account management. ========================== 🚀 Need help automating tasks, scaling your infrastructure, or building a web platform? Let’s chat! Message me, and let’s discuss how I can help you save time and grow your business.
    Featured Skill Node.js
    Python
    Bot Development
    Make.com
    n8n
    Svelte
    React
    Puppeteer
    TypeScript
    Automation
    Browser Automation
    Advertising Automation
    Drupal
    Symfony 4
    JavaScript
  • $40 hourly
    • 5.0/5
    • (3 jobs)
    👋 Hey, I've been working with various startups as a software engineer for over 3 years, both as an individual contributor and a tech lead. I've worked mostly with FinTech, SaaS, Mobile, and Social and worked on Payments, Subscriptions, Analytics & Dashboard, Database architecture, and various integrations (Stripe, Google Analytics, Sendgrid, Zoho CRM, Amplitude, Rapyd, etc.), working with AWS (S3, SES, SNS, etc.), DO. I worked on both fast-paced projects, where we had to launch MVP in only 2 months, as well as larger projects where we had to scale and work on a much bigger scope. Technology-wise I have the most experience with: — NodeJS — React — React Native — NextJS — MongoDB — AWS/DO/Docker/K8s Would be glad to help more tech companies with their development and therefore i'm curious to learn more about how I could help you, so an introductory call can be a good start 🙂
    Featured Skill Node.js
    SendGrid
    Stripe
    React Native
    Koa
    MongoDB
    Next.js
    HTML
    JavaScript
    TypeScript
    React
    CSS
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