Freelancers for hire in Poland
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Sponsored Freelancers
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✅ 15+ years of experience ✅ 70+ projects delivered ✅ 10k+ Hours ✅ 100% Success Score ✅ 5 Stars ✅ Backed by a skilled team for handling complex projects Doubtful about finding a developer who can handle complex challenges or pick up the pieces from a previous failure? Wondering if it's possible to have a bug-free,...✅ 15+ years of experience ✅ 70+ projects delivered ✅ 10k+ Hours ✅ 100% Success Score ✅ 5 Stars ✅ Backed by a skilled team for handling complex projects Doubtful about finding a developer who can handle complex challenges or pick up the pieces from a previous failure? Wondering if it's possible to have a bug-free, scalable solution? I've seen and solved it all. With a commitment to deliver and a track record of success, I am here to protect your project from common setbacks and elevate it to its highest potential. Hi! I'm a Senior Full-stack developer with over a decade of experience in the tech industry. I specialize in delivering comprehensive frontend and backend solutions, from concept to deployment, bolstered by solid experience as a Solution Architect and a Dev Lead. In 2015, I gathered my own web dev team from the ground up, as an extension of my software developer expertise and wisdom. Now, with over70 successful projects behind us, we focus on creating IT solutions for businesses to guarantee their growth and prosperity. ---=== Why I Stand Out: ===--- - Unmatched Reliability: Every project I undertake is guaranteed to reach completion, irrespective of the initial condition or challenges encountered along the way. - Continuous Support: My relationship with clients extends beyond project completion. I offer ongoing support to ensure continued success and adaptability in an ever-evolving digital landscape. - Scalable Team Leadership: While I thrive as a sole developer, I also lead a talented team of developers, ready to scale according to your project needs. This flexibility allows me to tackle projects of any size and complexity, delivering high-quality solutions on time and within budget. - End-to-End Solutions: From initial consultation to final delivery, I manage all phases of the development cycle. ---=== My Technical Foundation: ===--- - Frontend Expertise: Proficient in HTML, CSS, JavaScript, TypeScript, and an array of frameworks & libraries including React.js (with Redux, Thunk, Sagas, Next.js), Bootstrap, Material UI, CSS in JS, Tailwind, and React-Admin. - Backend Proficiency: Skilled in Node.js, Express.js; along with Feathers.js, RESTful API, GraphQL development, Socket.IO, Strapi, and BullMQ. - Data Visualization Mastery: Experienced with D3.js, Chart.js, GSAP, Three.js, React Three Fiber, and techniques involving Canvas and SVG. - Database Management: Competent in managing data using SQL, PostgreSQL, MongoDB, and ElasticSearch. -DevOps & Deployment: Knowledgeable in Docker, Kubernetes, and implementing CI/CD pipelines with GitHub, GitLab. less
Hire rostcompany
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As a senior blockchain & financial engineer and full stack web developer, I have more than 6 years of professional experience that is organized, collaborative and highly skilled in a dynamic and deadline-driven work environment. I have built several NFT Minting Platform and NFT Marketplace on multi-chain (Ethereum,...As a senior blockchain & financial engineer and full stack web developer, I have more than 6 years of professional experience that is organized, collaborative and highly skilled in a dynamic and deadline-driven work environment. I have built several NFT Minting Platform and NFT Marketplace on multi-chain (Ethereum, BSC, Polygon, Solana) from scratch with all algorithm and infrastructure design and workflow planning, Smart contract development, UI/UX design, front-end and back-end parts development,testing deploying and maintaining the end-products. I have also rich experience with React.js and Vue.js for frontend especially using Redux (Thunk or Saga) or VueX and various backend frameworks including Node.js, Django, Flask, Golang using MySQL, PostgreSQL, MongoDB for 8+ years. less
Hire oscar903
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I am a 6+ years experienced web development professional armed with hands-on experience in designing, developing, testing, and debugging highly responsive user interface components by using AngularJS, React.JS, Typescript, NextJS, HTML, CSS and so on. I have mastered several React.js frameworks such as Redux,...I am a 6+ years experienced web development professional armed with hands-on experience in designing, developing, testing, and debugging highly responsive user interface components by using AngularJS, React.JS, Typescript, NextJS, HTML, CSS and so on. I have mastered several React.js frameworks such as Redux, Material ui, React bootstrap and semantic UI React. Specially, I am always orienting my works as creative and innovatory masterpieces. less
Hire james0297
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I am an experienced front-end and back-end developer. Advanced mechanisms development is my passion, i love to take on difficult challenges, and i carry out every implementation so as to be 100% proud of it.I am an experienced front-end and back-end developer. Advanced mechanisms development is my passion, i love to take on difficult challenges, and i carry out every implementation so as to be 100% proud of it. less
Hire krzysztofpacz
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I'm extremely experienced in Web & Mobile application development especially, with 5+ years of experience. I got an excellent reputation for resolving problems and improving users' satisfaction. I have extensive knowledge of web frontend, backend, mobile app programming, I find myself suitable for full-time position...I'm extremely experienced in Web & Mobile application development especially, with 5+ years of experience. I got an excellent reputation for resolving problems and improving users' satisfaction. I have extensive knowledge of web frontend, backend, mobile app programming, I find myself suitable for full-time position that offers professional challenges that require interpersonal skills, excellent time management and problem solving skills. - Web development ✔ MERN Stack ✔ Angular 9, ReactJS ✔ NodeJS, Express, sailsjs, loopback ✔ SQL(MySQL, PostgreSQL), NoSQL(MongoDB, CouchDB) ✔ HTML5, CSS3, Sass/Less, Bootstrap ✔ Javascript(ES5/ES6+, Babel), jQuery, DHTMLX, Typescript, D3.js, Socket.IO, Three.js ✔ Test: Jest, Jasmine, Mocha, Karma, Chai ✔ UI/UX, responsive web ✔ Firebase, AWS, GCP ✔ Stripe, Paypal, Yodleeany timezone and available 24*7 on any platform. - Mobile app development ✔ iOS, Android ✔ Swift, Objective-c, Kotlin, Java, React Native, Flutter less
Hire Andrii2224
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I am a 6+ years experienced web development professional armed with hands-on experience in designing, developing, testing, and debugging highly responsive user interface components by using AngularJS, React.JS, Typescript, NextJS, HTML, CSS and so on. I have mastered several React.js frameworks such as Redux,...I am a 6+ years experienced web development professional armed with hands-on experience in designing, developing, testing, and debugging highly responsive user interface components by using AngularJS, React.JS, Typescript, NextJS, HTML, CSS and so on. I have mastered several React.js frameworks such as Redux, Material ui, React bootstrap and semantic UI React. Specially, I am always orienting my works as creative and innovatory masterpieces. less
Hire nathan773
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If you work for a living, why do you kill yourself working?If you work for a living, why do you kill yourself working? less
Hire tucoramirez
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I am Software Engineer with 8 years of software development expertise. Created a highly impactful product, driving user growth and boosting client profits. Skilled in remote teamwork, Agile methodologies (Scrum), and effective communication. Delivers high-quality work on time with meticulous attention to detail....I am Software Engineer with 8 years of software development expertise. Created a highly impactful product, driving user growth and boosting client profits. Skilled in remote teamwork, Agile methodologies (Scrum), and effective communication. Delivers high-quality work on time with meticulous attention to detail. Focused on enhancing user experience. Adaptable and flexible, prioritizing client satisfaction through revisions. Core technical skills: - JavaScript, TypeScript, React, Next.js, React Native, Vue.js, Angular, Node.js, Express.js - Python, Django, Flask - PHP, Laravel, Symfony, WordPress - Git, Docker, Kubernetes, Jenkins - Google Cloud Platform, Amazon Web Services - TradingView, AI, ML, OpenAI, Bot less
Hire Yuriisay
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I have enough experience with frontend development and Blockchain. :muscle: Main Skills: :point_right: Web3/Solidity/Reach/Rust/Blockchain (Solana, Ethereum, Algorand) :point_right: Frontend: React/Redux/Next.js/Gatsby/GraphQL/Socket.io/Three.js/Tailwind CSS/Material UI/TypeScript/Three.js :point_right: Backend:...I have enough experience with frontend development and Blockchain. :muscle: Main Skills: :point_right: Web3/Solidity/Reach/Rust/Blockchain (Solana, Ethereum, Algorand) :point_right: Frontend: React/Redux/Next.js/Gatsby/GraphQL/Socket.io/Three.js/Tailwind CSS/Material UI/TypeScript/Three.js :point_right: Backend: Node.js/Strapi/ Express.js/Nest.js/Golang/ RESTful API :point_right: Database: MongoDB/ Fire store/ MySQL/ PostgreSQL :point_right: Video Streaming/Conference: AWS Kinesis/ WebRTC/ Wowza/ Jitsi :point_right: Project Management: GitHub / GitLab/ JIRA/ Trello/ Zoho I can work 40+ hours in your time zone and start right now. less
Hire andrew0033
