Freelancers for hire in Poland
Showing 17 results
Sponsored Freelancers
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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 professional developer with over 14 years of experience in web scraping. I have been doing business on (Ukraine freelance website) where I am one of the top developers, and I have very extensive experience in PHP, web scraping, import/export in databases of all CMS. More than 1500 projects, 700+ reviews, 15...I am professional developer with over 14 years of experience in web scraping. I have been doing business on (Ukraine freelance website) where I am one of the top developers, and I have very extensive experience in PHP, web scraping, import/export in databases of all CMS. More than 1500 projects, 700+ reviews, 15 years expiriense. Typical jobs: 1. Supplier product catalog synchronization: Automatic launch (Cron) Adding new products Updating availability and prices Markup (percentage, formula, depending on category/brand/price range) API, XML, WSDL, Json, parsing any websites Import to Shopify, Wordpress+Woocomerce, Opencart, Prestashop, Bitrix, Webasyst, Joomla+Virtuemart/Joomshopping, Drupal, Magento, Netcat, CS Cart, DLE, ModX, Vamshop and other CMS Possible export to CSV, XLS, XLSX, API, XML, SQL. HTML log with display of all actions of the last script launch If you have suppliers who provide information in any structured format and you need to synchronize your product catalog with your website, automatically update prices and product availability. 2. Export of your products to marketplaces: Ebay, Amazon, Wildberries, YandexMarket CSV, XLS, XLSX, API, XML If you sell your products on third-party websites and you need automatic synchronization of availability and prices. 3. Parsing bookmakers' websites with email/telegram notifications 1xbet, 1xstavka, marathonet, fonbet, betcity, betfair, betsapi, pinnacle Line, live, line closure, new events in the line 4. Collection and processing of any type of information through the internet with saving in any structured format. 5. Monitoring of data (prices, announcements, available slots, updates/new information) with instant notification. For more detailed information, please see the portfolio. less
Hire hiberokpars
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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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✅ 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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I am PHP / Laravel developer, i know duties and responsibilities Develop, I record and maintain cutting edge web-based PHP applications on portal plus premium service platforms I build innovative, state-of-the-art applications and collaborate with the User Experience (UX) team I am Ensured HTML, CSS, and shared...I am PHP / Laravel developer, i know duties and responsibilities Develop, I record and maintain cutting edge web-based PHP applications on portal plus premium service platforms I build innovative, state-of-the-art applications and collaborate with the User Experience (UX) team I am Ensured HTML, CSS, and shared JavaScript is valid and consistent across applications I prepare and maintain all applications utilizing standard development tools I utilize backend data services and contribute to increase existing data services API I Lead the entire web application development life cycle right from concept stage to delivery and post launch support I convey effectively with all task progress, evaluations, suggestions, schedules along with technical and process issues I document the development process, architecture, and standard components I keep abreast of new trends and best practices in web development less
Hire slawomar
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I am a highly competent php developer with a proven track record in designing websites, developing apps and managing databases(problem solving also). I have strong technical skills as well as problem solving skills, enabling me to logically solve a problem in software and a hardwares. I am eager to try a new path in...I am a highly competent php developer with a proven track record in designing websites, developing apps and managing databases(problem solving also). I have strong technical skills as well as problem solving skills, enabling me to logically solve a problem in software and a hardwares. I am eager to try a new path in order to grow and further improve my php skills. My greatest passion in life is using my technical know-how to helping other people or organisations and solve problems. less
Hire Baxiol
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I am a full stack developer with over 10 years of experience in frontend and backend development. I graduated from Belarus State University then after graduating from the university I started my career as a developer.I am a full stack developer with over 10 years of experience in frontend and backend development. I graduated from Belarus State University then after graduating from the university I started my career as a developer. less
Hire Ala63
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Not only am I a skilled hacker experienced in WordPress website development and SEO, but I also have a profound understanding of cybersecurity that makes me the perfect candidate for this project. My thorough knowledge of various technologies and systems, including VPNs and proxies, allows me to navigate digital...Not only am I a skilled hacker experienced in WordPress website development and SEO, but I also have a profound understanding of cybersecurity that makes me the perfect candidate for this project. My thorough knowledge of various technologies and systems, including VPNs and proxies, allows me to navigate digital landscapes proficiently. My proven investigative skills will facilitate the process of identifying the cyberattacker's whereabouts - no digital footprint is too difficult for me to trace. I comprehend the gravity of your situation and assure you that your privacy, as well as adhering to legal guidelines, are of utmost importance to me. In addition to unveiling the identity of this attacker, I will maintain a watertight chain of evidence for potential legal action. My track record of respecting privacy laws while successfully prosecuting malicious cyber criminals will be an invaluable asset in bringing justice to you and your family. Let my multi-faceted expertise work in your favor. With my skills in research writing, I can provide comprehensive reports that consolidate all the information obtained during my investigation. Trust me to employ all necessary resources and strategies to resolve this issue promptly and thoroughly. Taking corrective measures with precision is my specialty, and I'm prepared to use my unique skill set to uncover the source of these misdeeds less
Hire kamil176
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As a Web developers I have 6 + years of experiences in design and create websites and web applications using programming languages such as HTML, CSS, and JavaScript,PHP and so on. Also I implemented user's requirement including user interface designs, ensure functionality, and optimize performance . According to the...As a Web developers I have 6 + years of experiences in design and create websites and web applications using programming languages such as HTML, CSS, and JavaScript,PHP and so on. Also I implemented user's requirement including user interface designs, ensure functionality, and optimize performance . According to the necessities , I have updated their skills to adapt to evolving technologies and industry trends, providing innovative solutions for online platforms. less
Hire robinson070
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I'm a bilingual, Polish-English-Polish translator and proofreader, living in Poland. I'm a perfectionist in life and this is reflected in all my work. I've translated financial industry content (forex, crypto, etc), applications, pc/mac software, descriptions of pharmaceutical/medical products and treatments, video...I'm a bilingual, Polish-English-Polish translator and proofreader, living in Poland. I'm a perfectionist in life and this is reflected in all my work. I've translated financial industry content (forex, crypto, etc), applications, pc/mac software, descriptions of pharmaceutical/medical products and treatments, video games, and technical content as well. I take tasks very seriously and can guarantee high quality work in a timely manner. I strictly follow any given instructions and I'm an open and communicative person. BA in Translation Studies. MA in Business English. Currently working in several translation companies and localization teams: - Pangea Localization Services - ExpressVPN - Terra Translations - Malka (translation company) Fields of expertise: - finance (crypto, forex, trading) - iGaming - video games - apps & software - online security less
Hire JazzPianist
