Freelancers para contratar en Poland
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Freelancers patrocinados
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" Dobra obsługa klienta kosztuje mniej niż zła obsługa klienta. Zadowoleni klienci są Twoimi największymi orędownikami i mogą stać się Twoim najbardziej skutecznym zespołem sprzedaży" Posiadam ponad 6-letnie doświadczenie jako freelancer, pasjonat grafiki i środowiska webowego staram się zadowolić i uszczęśliwić..." Dobra obsługa klienta kosztuje mniej niż zła obsługa klienta. Zadowoleni klienci są Twoimi największymi orędownikami i mogą stać się Twoim najbardziej skutecznym zespołem sprzedaży" Posiadam ponad 6-letnie doświadczenie jako freelancer, pasjonat grafiki i środowiska webowego staram się zadowolić i uszczęśliwić swoich klientów. Najważniejszą rzeczą dla mnie jest dostarczanie moim klientom wysokiej jakości na czas. JUST A FREELANCER Zapraszam! menos
Contratar Kolarzyk
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I graduated Master of Science in Computer Science, 2005, PS in Stettin. Since 2007 I have self-employment company. Over 15 years of experience. My Skills: * JOOMLA! (including own components / modules), * Responsive Website, * PHP / MYSQL / JQUERY / CSS / HTML, * XSL/XML * PSD to HTML/Mobile, * SEO expert, * Other...I graduated Master of Science in Computer Science, 2005, PS in Stettin. Since 2007 I have self-employment company. Over 15 years of experience. My Skills: * JOOMLA! (including own components / modules), * Responsive Website, * PHP / MYSQL / JQUERY / CSS / HTML, * XSL/XML * PSD to HTML/Mobile, * SEO expert, * Other CMS (Wordpress, Magento, Prestashop etc). Feel free to contact me. menos
Contratar lukdanpl
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I specialize in creating mobile-responsive emails, and templates that are Dark Mode ready for various platforms such as MailChimp, Salesforce, HubSpot, Campaign Monitor, Constant Contact, SendGrid, iContact, Pardot, Klaviyo, and many others. In September 2015, I was acknowledged by MailChimp for discovering bugs in...I specialize in creating mobile-responsive emails, and templates that are Dark Mode ready for various platforms such as MailChimp, Salesforce, HubSpot, Campaign Monitor, Constant Contact, SendGrid, iContact, Pardot, Klaviyo, and many others. In September 2015, I was acknowledged by MailChimp for discovering bugs in their new 2015 templates, which helped the company rectify these issues. I am a certified MailChimp Partner Program member, and MailChimp incorporates my HTML/CSS code that correctly renders in Outlook for client emails. My Upwork stats: ★ Over 1,700 highly satisfied clients ★ Total earned: Over $600,000 ★ Total jobs: 4,000 ★ Total hours worked: 14,000 ★ Member of 31 Upwork Talent Cloud Groups (Microsoft, J&J, Unilever, Netflix, etc.). ★ 14+ years of experience in designing and coding email templates. CERTIFICATES: ★ HubSpot Marketing Software Certification (Provider: Hubspot) ★ Hubspot Contextual Marketing Certification (Provider: Hubspot) ★ Hubspot Email Marketing Certification (Provider: Hubspot) ★ Python Certified (Provider: Alison) ★ Mailchimp Certified (Provider: Mailchimp) ★ "Salesforce for Admins" Certificate (Provider: Linkedin) ★ "Managing DNS Essential Training" Certificate (Provider: Linkedin) ★ "Advanced CSS Media Queries" Certificate (Provider: Linkedin) ★ Google Ads - Measurement Certification (Provider: Google) My biggest CLIENTS: ★ Microsoft, Unilever, Netflix, Toyota, Hyundai, Adobe, BBC, LG, Renault, Fuji, Facebook, Instagram, 3M, Sony, Coca-Cola, Dulux, GLS, Amazon Prime Video, Bayer, Meta. My major SERVICES include: ★ DESIGN & CODE custom email templates, campaigns, automations ★ Programming modules for HubSpot (HubL), Salesforce (AMP Script), Marketo ★ Email deliverability (Setup DKIM / SPF / DMARC) ★ Litmus tests My English is fluent. I lived and worked for three years in Ireland (Roscommon). SKILLS: Expert Level: HTML5, CSS, Photoshop, Figma, Illustrator, inDesign, AMPscript Average level of knowledge: Python, JavaScript menos
Contratar european74
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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. menos
Contratar rostcompany
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Hello I am a senior full-stack developer. Over 5 years, I have built many different websites and management systems for small companies and large businesses. Chat bot -Developed chat bot using botpress. -Developed chat bot using python and LLM. Ecommerce site - Developed ecommerce site with prestashop, woocommerce,...Hello I am a senior full-stack developer. Over 5 years, I have built many different websites and management systems for small companies and large businesses. Chat bot -Developed chat bot using botpress. -Developed chat bot using python and LLM. Ecommerce site - Developed ecommerce site with prestashop, woocommerce, magento and shopify. - Migrated old version to latest version. - Developed and customized modules, plugins and apps. React.js - Developed the Front-End and User Interface of applications using React, Redux, React hook and Material UI. - Involved writing modules using React as a view engine to build component-based application. - Created reusable React components and managed application state with Redux. - Applied redux middleware using redux-promise, redux-thunk and redux-saga. HTML and CSS - Experience working with Responsive Web Design. - Expert in creating Templates, Mockups and Prototypes, Web Interfaces, Layouts, and Flow of Future Pages. - High level of expertise in CSS pixel-level layout, Consistency with browsers, Version and Platform Independence. Django - Using Django Framework model, implemented MVC architecture and developed web applications with superb interface. - Experience in writing application level code to interact with APIs, Web Services using JSON. - Designed and developed a horizontally scalable APIs using Django Python - Data scraping - AI model PHP framework - Developed Ecommerce sites with laravel and codeignter. - Developed PHP based server side API using Laravel and Codeigniter framework and implemented MVC architecture. CRM - Custom module development - Customizing existing CRM code to match with requirements - Third-party API integrations like QuickBooks, Payment Gateways, Xero, Google Drive, and SMS gateway - Data migration from any CRM to SuiteCRM/SugarCRM/SalesForce - Upgrade from any version to latest version Blockchain - Cryptocurrency & Altcoin creation - Token creation on ETH, BSC, MATIC, and other EVM chains - NFT creation on Ethereum, Polygon, Solana, and other chains - Decentralized exchanges (Pancakeswap, Uniswap, etc) - Yield farms - Token staking dashboards - Token rewards tracking dashboards - Cryptocurrency node & masternode installation - Cryptocurrency mining pool installation - Cryptocurrency - Blockchain consulting Excel/Google sheet - Developed add-on for google sheet. - Developed custom engine for google sheet and Excel. - Migrate data to Google sheet and Excel. menos
Contratar DanielRu0301
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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, Svelte, Flutter, WebRTC - Python, Django, Flask - PHP, Laravel, Symfony -WordPress, Shopify, Magento, Wix, SquareSpace - Git, Docker, Kubernetes, Jenkins - Google Cloud Platform, Amazon Web Services - TradingView, AI, ML, OpenAI, Bot menos
Contratar Yuriisay
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I am a full-stack web developer with 6+ years of experience in ReactJS, AngularJS, MongoDB and NodeJS/ExpressJS. Also I am familiar with API integration such as AWS, Facebook, Firebase and etc. Specially, I am always orienting my works as creative and innovatory masterpieces.I am a full-stack web developer with 6+ years of experience in ReactJS, AngularJS, MongoDB and NodeJS/ExpressJS. Also I am familiar with API integration such as AWS, Facebook, Firebase and etc. Specially, I am always orienting my works as creative and innovatory masterpieces. menos
Contratar robinson132
