Freelancers para contratar en Poland - Página 2
Mostrando 23 resultados
Freelancers patrocinados
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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 menos
Contratar Andrii2224
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Professional Java development for 10+ years. Expert level in Core Java, deep understanding of both «Java Concurrency in Practice» and Java Memory Model. Solid knowledge of algorithms and data structures with their complexity. Large experience of memory and performance profiling. Basics of Scala. Knowledge and...Professional Java development for 10+ years. Expert level in Core Java, deep understanding of both «Java Concurrency in Practice» and Java Memory Model. Solid knowledge of algorithms and data structures with their complexity. Large experience of memory and performance profiling. Basics of Scala. Knowledge and experience with BigData ecosystem (Spark, Hadoop). Multidimensional OLAP, ActivePivot. Ability to write nice, clean, extensible, robust code. UML, solid understanding and ability to apply OOP design patterns. Sense of quality, large experience in testing (unit, integration tests, code coverage and performance profiling). Experience with containers (Docker, K8s). Good knowledge of Linux, fluent Bash scripting. Cloud technologies (AWS, Azure). Experience of successful technical leadership in small teams. Practical knowledge of agile processes. Open and clear communication. Ability to observe and decompose tasks, formulate the completion criteria, estimate real duration, track the progress. Ability to write nice and clear documentation, to present the results. Vision of customer's demand, good usability expertise. menos
Contratar Ivan0512
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-I am a Full Stack Developer. (Senior Developer) I am confident that you will be completely satisfied with the quality, timeliness, and professionalism of my work. I offer comprehensive expertise in: • Programming Languages: HTML5, CSS3, Bootstrap 5, JavaScript C++ C#,java,python, • Frameworks: React.js,...-I am a Full Stack Developer. (Senior Developer) I am confident that you will be completely satisfied with the quality, timeliness, and professionalism of my work. I offer comprehensive expertise in: • Programming Languages: HTML5, CSS3, Bootstrap 5, JavaScript C++ C#,java,python, • Frameworks: React.js, Next.js,Vue.js • CSS Framework: Tailwind CSS, MaterialUI , Masterial Style,Metronic, • Tools: ChartJS, ApexCharts, ReduxToolkit,Unity,Unreal,Cocos,Qt,Visual Studio, • CMS: WordPress, Shopify, Webflow,Magento, • Database: Firebase, MongoDB,MySQL,Oracle,SQLite, - more than 10 years experience in Development on IT jobs and AI. - like to work on the team. I beat deadlines and leave our clients completely satisfied. menos
Contratar krystian34
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mgr inż. Piotr Dusiński specjalista, programista, informatyk od wszystkiego. Sr developer C#, MSSQL server, entity Framework, RestApi, traceability, ERP, Mes, Delmia Apriso Częstochowa, Śląskmgr inż. Piotr Dusiński specjalista, programista, informatyk od wszystkiego. Sr developer C#, MSSQL server, entity Framework, RestApi, traceability, ERP, Mes, Delmia Apriso Częstochowa, Śląsk menos
Contratar pdusp
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Greetings! I'm a versatile Blockchain Developer with a profound focus on Ethereum and Solana, backed by over a decade of software development expertise. The last 5+ years have seen me pioneering innovations at the forefront of blockchain technology. Why Choose Me? ✅ Blockchain Mastery: Embark on an innovation...Greetings! I'm a versatile Blockchain Developer with a profound focus on Ethereum and Solana, backed by over a decade of software development expertise. The last 5+ years have seen me pioneering innovations at the forefront of blockchain technology. Why Choose Me? ✅ Blockchain Mastery: Embark on an innovation journey with a specialist in Ethereum, Solana, and Rust. I craft impactful solutions in smart contract development, DApps, and DeFi protocols. ✅ Solana & Rust Expert: Dive into the world of Solana and Rust with confidence. My expertise in these cutting-edge technologies unlocks unparalleled solutions and possibilities. ✅ Web Development Wizardry: Envision stunning front-end and back-end experiences. My toolkit includes HTML5, CSS3, JavaScript, React, React Native, Node.js, and more. ✅ Database Dynamo: Seamlessly manage SQL and NoSQL databases (MongoDB, Redis, Graph, MySQL) for optimal data storage and retrieval. Blockchain Marvels: ✅ Decentralized Dreams: Transform industries with transparent and secure DApps and smart contracts. ✅ Token Triumphs: Launch ERC-20 tokens, conduct ICOs, and set up NFT marketplaces for asset monetization. ✅ DEX Dominance: Develop decentralized exchanges (DEX) for seamless and secure token trading experiences. ✅ DeFi Wonders: Engineer DeFi protocols for lending, staking, yield farming, and financial instruments. ✅ Security Sentinel: Conduct comprehensive security audits to fortify smart contracts. ✅ AI Trading Magic: Build AI-powered trading bots for cryptocurrency automation, optimizing investment strategies. Unlocking Possibilities: ✅ Tailored Solutions: Craft bespoke blockchain applications, smart contracts, and DApps aligned with your business goals. ✅ Full Stack Finesse: Shape responsive websites with React.js, Vue.js, Next.js, and backend wizardry with Node.js. ✅ Data Mastery: Design and manage databases for efficient storage and retrieval - MySQL, MongoDB, Redis. ✅ UI Elegance: Customize UI libraries (Material UI, Vuetify, Bootstrap) for visually stunning interfaces. Specialized Solana & Rust Skills: ✨ Solana & Rust Prowess: Leverage my expertise in Solana and Rust to unlock unparalleled solutions and possibilities. I am committed to delivering results that transcend expectations. Emphasizing effective collaboration, timely communication, and unwavering dedication to project deadlines, let's connect! Explore how I can elevate your success in the blockchain and full-stack development realms. menos
Contratar raphael153
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We develop web applications with different technologies, approaches, and frameworks since 2018 on the territory of Poland. Head of the company has been a programmer since 2000. Backends: 1) java 8/11/17, RxJava, ORM, JPA/Hibernate, Guice, Spring Boot, Lombok, REST, Event Bus, JUnit, Kafka, Design Patterns, SOLID,...We develop web applications with different technologies, approaches, and frameworks since 2018 on the territory of Poland. Head of the company has been a programmer since 2000. Backends: 1) java 8/11/17, RxJava, ORM, JPA/Hibernate, Guice, Spring Boot, Lombok, REST, Event Bus, JUnit, Kafka, Design Patterns, SOLID, Nifi/Mule, XSLT, much more; 2) nodejs, express, typescript, nest, Mongoose, Redis, RabbitMQ; 3) docker, Kubernetes (k8s), Jenkins, github actions, Terraform, AWS/Azure/GCP; 4) REST, websockets, SSE, SOAP, sockets. 5) VertX, Tomcat, Glassfish, JBOSS/WildFly, Jetty, nginx; 6) any RDBMS, MongoDB, CouchBase, DynamoDB; 7) bash, ssh, git Frontend: Angular, React, Redux, Vue, jQuery, HTML, CSS, Swing, Java Applets, Ember, Bootstrap, ExtJS, Cordova, Ionic. Goals: - projects into my company; - $33/h net. Conditions: we are small company and our developers work in convenient offices in city of Chelm, Poland, we also support relocation to Poland menos
Contratar mercuriev
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-Ambitious senior software engineer with +10 years of programming experience across various technologies, including e-learning development, and focused on full stack development with expertise in Java, Python and Node.js. -Managed full development life cycle from technical requirements, solution design, development,...-Ambitious senior software engineer with +10 years of programming experience across various technologies, including e-learning development, and focused on full stack development with expertise in Java, Python and Node.js. -Managed full development life cycle from technical requirements, solution design, development, testing, documentation through production rollout. menos
Contratar jjbest0509
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hello. I am interesting in simplifying things, specially business processes. My area of expertise is business and IT projects, getting things done is a challenge for me.hello. I am interesting in simplifying things, specially business processes. My area of expertise is business and IT projects, getting things done is a challenge for me. menos
Contratar ekodervw
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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. Also implement user's requirement including user interface designs, ensure functionality, and optimize performance . According to the necessities , I...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. Also implement 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. menos
Contratar nathan071
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I am conscientious, hard-working and constantly striving to develop and expand my knowledge and experience. My determination and commitment make me achieve my goals, regardless of whether it is at work or in my personal life. I am constantly developing, acquiring new skills and knowledge, which makes me ready for the...I am conscientious, hard-working and constantly striving to develop and expand my knowledge and experience. My determination and commitment make me achieve my goals, regardless of whether it is at work or in my personal life. I am constantly developing, acquiring new skills and knowledge, which makes me ready for the challenges I encounter along the way. menos
Contratar RafalOrzol
