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Senior Front-End Developer (Vanilla JS, React)

$2-8 USD / hour

Terminado
Publicado hace 4 meses

$2-8 USD / hour

Senior Front-End Developer (Vanilla JS, React) Job Description: We are seeking experienced Senior Front-End Developers to join our dynamic team on a freelance basis. The ideal candidates will be responsible for maintaining our existing web applications written in Vanilla JavaScript and React, as well as developing new projects. Key Responsibilities: - Maintain and enhance existing web applications written in Vanilla JavaScript and React. - Develop high-quality, responsive, and scalable front-end applications for new projects. - Collaborate with cross-functional teams to define, design, and ship new features. - Ensure the performance, quality, and responsiveness of applications. - Identify and correct bottlenecks and fix bugs. - Help maintain code quality, organization, and automation. Skills and Qualifications: - Proven experience as a Senior Front-End Developer. - Strong proficiency in JavaScript, including DOM manipulation and JavaScript object model. - Thorough understanding of React.js and its core principles. - Experience with popular React.js workflows (such as Flux or Redux). - Familiarity with newer specifications of ECMAScript. - Experience with data structure libraries (e.g., [login to view URL]). - Knowledge of isomorphic React is a plus. - Familiarity with RESTful APIs and GraphQL. - Knowledge of modern authorization mechanisms, such as JSON Web Token. - Experience with common front-end development tools such as Babel, Webpack, NPM, etc. - Ability to understand business requirements and translate them into technical requirements. - A knack for benchmarking and optimization. - Familiarity with code versioning tools such as Git. - Excellent problem-solving skills and attention to detail. Additional Requirements: - Good communication skills and fluency in English. - Ability to work independently and manage time effectively. - A portfolio showcasing your front-end development projects. Duration & Availability: - This is a freelance position with flexible hours. - Please specify your availability in your application. We are excited to welcome talented and passionate individuals to our team. If you are ready to take on challenging projects and create impactful web applications, we look forward to receiving your application with a resume and portfolio of relevant work. How to Apply: Please submit your application along with your resume, portfolio, and your hourly rate or project-based rate. We will review applications on a rolling basis and reach out to candidates who meet our criteria for an interview. Looking forward to working together!
ID del proyecto: 37667784

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100 propuestas
Proyecto remoto
Activo hace 4 meses

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As an experienced Senior Front-End Developer with a strong command of Vanilla JS and React, I firmly believe I am an excellent fit for your team. With a track record of maintaining and enhancing complex web applications while also spearheading the development of new projects, I understand the ins and outs of working with Vanilla JS and React.js. Moreover, my proficiency in Flux/Redux workflows, experience in working with RESTful APIs and GraphQL, as well as knowledge of JSON Web Token ensures seamless integration with existing systems and future-proof coding solutions. Apart from a deep understanding of JavaScript at every level, one of the hallmarks of my work is my focus on performance optimization. From identifying bottlenecks to fixing bugs and optimizing code, I prefer a pro-active problem-solving approach rather than just reacting. This has not only contributed to reducing loading times but also enhanced user experience which I believe is central to any front-end web development. Furthermore, my ability to understand business requirements and translate them into technical requirements make me an asset in any cross-functional team. Effective communication skills sharpened by fluency in English allow for better collaboration leading to successful completion of projects within set timelines. Overall, if you are looking for a Senior Front-End Developer who delivers state-of-the-art responsive applications while simultaneously prioritizing performance optimization.
$56 USD en 7 días
5,0 (1 comentario)
1,5
1,5
100 freelancers están ofertando un promedio de $10 USD /hora por este trabajo
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Hello there I have a very good experience in react js. we can start your work right now. we will complete your job as per your requirement. Please come on chat to discuss the details.
$8 USD en 40 días
4,9 (108 comentarios)
7,1
7,1
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Hello Employer, Hope you're doing well! I'm an expert having 11+ years of vast and proven experience in PHP, MYSQL, HTML, JAVASCRIPT, AJAX, VanillaJS, CSS, REACT.JS, GraphQL, RESTful APIs and many other. I request you to reply, so that I can discuss about your project requirements in details and can start this work immediately. Best Regards, Harpreet Singh
$8 USD en 40 días
4,9 (140 comentarios)
6,9
6,9
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Hello I am FRONTEND DEVELOPER .I have read your job description and assure you that I am a perfect fit for the job.I am a senior Designer & Developer having vast and proven experience in web development and Web Designing using PHP, wordpress , WooCommerce ,Shopify, magento 1 & 2, Bootstrap, Opencart ,CS-Cart, Laravel, Codeigniter , React JS , Angular JS , Vue JS, javascript, jquery, PSD to HTML conversion , PSD to Wordpress , graphic design , UX/UI, CSS, HTML, MYsql, JavaScript , AJAX, APIs and many other. I'm available right away to discuss the requirements. Looking for the soonest reply from you. Thanks
$8 USD en 40 días
4,8 (106 comentarios)
6,8
6,8
Avatar del usuario
HI I have more then 15 year’ experienced in development . As i am expert, I can build it according to your requirements. Because I have a lot of the experiences about these fields, I can build your project as soon as possible perfectly. I offer excellent software quality work and provide the best support on your project. If you give me this job, I will do my best to finish your job until your timeline. If you want to see my past works, I can show you my past works right now. Ready to discuss with you about the task now. Thank you for the reading.
$7 USD en 40 días
5,0 (25 comentarios)
5,6
5,6
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Hello, client I would like to help you make for web page in my potential abilities. I am a skilled developer who has many experience in building UX/UI and Figma design with wonderful responsive and layouts. I totally understand your requirements and I am ready to get started the work right away. I hope you choose me for your projects in points that is very clear and perfect. Best Regards, Igor.
$10 USD en 40 días
5,0 (7 comentarios)
4,7
4,7
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With over a decade of being immersed in the world of web and mobile app development, I have honed my skills efficiently, making me a top choice for your project. A senior frontend developer with hands-on experience in Vanilla JS and React, I'm well-versed in developing and maintaining high-performing, scalability-focused frontend applications, which aligns perfectly with your job responsibilities. I've had extensive exposure to different JavaScript frameworks and libraries, and have a deep understanding of their principles like React's Flux or Redux. Plus, I keep myself updated with newer specifications of ECMAScript which ensures code quality, performance optimization, and responsive user interfaces for my work. My familiarity with RESTful APIs and GraphQL aids in efficient data management as well. In addition to my technical prowess, I understand the importance of teamwork and collaboration while working on high-stake projects, which is demonstrated through my ability to translate business requirements into actionable technical needs. My experience using Git for code versioning and my eye for detail further boost the value I bring to projects. Finally, my strong communication skills in English enable me to articulate ideas effectively. Let's create impactful applications together!
$16 USD en 40 días
4,6 (45 comentarios)
5,1
5,1
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Hi, ***** React expert***** I have more than 15 years of experience in the development As I am an expert, I can build it according to your requirements. Because I have a lot of experience in these fields, I can build your project as soon as possible. I offer excellent software quality work and provide the best support for your project. If you give me this job, I will do my best to finish your job by your timeline. If you want to see my past works, I can show you my past works right now. Ready to discuss this with you about the task now. Thank you for the reading.
$5 USD en 40 días
4,8 (15 comentarios)
4,7
4,7
Avatar del usuario
With my extensive experience in front-end development, particularly in Vanilla JavaScript and React, I am confident in my ability to deliver exactly what you are looking for. I have been involved in the maintenance and enhancement processes of various web applications and possess a deep understanding of using JavaScript for effective DOM manipulation and intuitive user experiences. Moreover, my proficiency extends beyond the front-end realm. As an experienced back-end developer as well, I have a keen eye for maintaining code quality, organization, and automation that would be crucial to this role. My knowledge of popular front-end development tools such as Babel, Webpack, NPM further ensures that your projects are optimized not just for performance but also scalability. Additionally, my fluency in English combined with my knack for problem-solving makes me a strong communicator and collaborator. I am ready to handle any challenges thrown at me while always keeping a sharp focus on benchmarks and optimizations. I'm excited by the prospect of joining your team because the opportunity to build impactful web applications resonates deeply with me. So why not roll into 2024 with the perfect project partner? Let's make your visions a reality!
$10 USD en 40 días
5,0 (11 comentarios)
4,2
4,2
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Hello, Your job description looks very interesting to me. I have 2 years of experience in JS/Typescript/React.js/Node.js/ stack of technologies and over 15 years of experience in web development. I am ready to send you my CV, show you some examples of my work and provide answers on all your questions. Just contact me so we can continue in private chat. Have a nice day!
$11,50 USD en 40 días
5,0 (2 comentarios)
4,0
4,0
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Hi, Hope you are doing great. I checked the job description carefully and just made sure that I could be a perfect fit for this project based on my skills & prior experiences in web development. I am a full stack web developer with more than +5 years of experience and mastered various programming languages. I have full-time availability right now and can start immediately. Please share more details, so that I can provide a proper estimation. Thank you,
$5 USD en 40 días
5,0 (7 comentarios)
3,5
3,5
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Hello, I am an experienced and certified Senior Front-End Developer eager to contribute my skills and expertise to your dynamic team. With a strong background in Vanilla JavaScript and React, I am well-equipped to maintain and enhance existing web applications, as well as take on the challenge of developing new and innovative projects. Quick Questions: 1. Could you provide more details on the specific responsibilities for maintaining existing web applications? 2. Are there particular design or architectural preferences for new projects? 3. How do you prioritize and approach collaboration with cross-functional teams? 4. Can you share more insights into the performance benchmarks and quality standards expected for the applications? 5. What are the key business requirements that should guide the technical aspects of my work? 6. Is there a preference for any specific front-end development tools not mentioned in the job description? I am excited about the opportunity to contribute my skills to your team and believe that my experience aligns well with your requirements. To further discuss how I can bring value to your projects, I am available for an interview at your earliest convenience. I look forward to the possibility of working together and contributing to the success of your web development projects. Best Regards, Raju Bhalani
$12 USD en 40 días
5,0 (2 comentarios)
3,6
3,6
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Hello I already have experience in all of your stacks for this project and I can work on your project now. If you are in search of an agile experienced developer, please reach out to me. Regards.
$10 USD en 40 días
5,0 (1 comentario)
3,2
3,2
Avatar del usuario
Hi , We hope this message finds you well. We have a team of experienced JavaScript / React JS / Next JS / Node JS / Express JS / Rest API's developers with a background since 2018 in the field. We have carefully reviewed the initial project description you provided and we are excited to discuss further details regarding the timeline, budget, and specific requirements. Can we schedule a meeting to examine closely into the project requirements? This will allow us to discuss the details of the project, address any questions or concerns, and collaboratively establish a realistic timeline and budget. We are passionate about the opportunity to contribute our skills and expertise to your project. Looking forward to your positive response and the possibility of working together. Best regards, Team Code Frenzy
$5 USD en 40 días
5,0 (4 comentarios)
3,0
3,0
Avatar del usuario
I am proficient with Python and will assist you perfectly with the requirements, let me know when we can connect to discuss this further and get started working on it ASAP. Looking forward to working with you
$10 USD en 40 días
5,0 (3 comentarios)
2,5
2,5
Avatar del usuario
Hi, As an independent freelancer, I am writing to express my interest as a Front-End Developer with over 6+ years of extensive experience. With strong proficiency in vanilla JavaScript, React, TypeScript, DOM, ECMAScript, ES6, Redux(state management),React.js workflows such as Flux and Redux, redux-saga, NPM, Hooks, Web pack, Bootstrap, Material-UI (MUI) & REST API for frontend development. As a Sr. developer I successfully maintained and enhanced existing web applications, ensuring their performance, quality, and responsiveness. - My proficiency in front-end development tools including Babel, Webpack, and NPM, along with my knowledge of code versioning tools such as Git, ensures the highest standards of code quality and organization. - I possess strong problem solving and analytical skills with excellent communication skills that have consistently proven to be an asset in both professional and collaborative settings & also keep up-to-date with the latest industry trends and technologies. - I am a strong communicator and a great team player with focus in troubleshooting, bugging, debugging, finding & fixing bugs, resolving issues and problem-solving skills. - Also Proficient with Restful APIs, Google Maps, Firebase, Facebook Graph API, Twilio API, XML & JSON. Please schedule a call for further discussion . Once we connect I would like to discuss all the things. Also I will show you my Resume & Portfolio. Regards, Madho
$7 USD en 40 días
3,8 (2 comentarios)
2,8
2,8
Avatar del usuario
As a highly competent and dedicated full-stack developer, I believe I'm the perfect fit as your Senior Front-End Developer. My experience in building and maintaining web applications using both Vanilla JavaScript and React directly aligns with what you're seeking. Having worked extensively with these technologies, including their workflows, I understand the intricate details and necessities that go into creating top-notch applications. Additionally, my grasp on RESTful APIs, GraphQL, and modern authorization mechanisms positions me well to leverage data for enhancing the performance of the applications. I always thrive working within cross-functional teams to define, design, and deliver new features that meet precise business requirements. My communication skills and English fluency are further assets that will facilitate seamless collaboration with your team. Lastly, my approach to front-end development is deeply rooted in benchmarking and optimization. These qualities have driven me to extensively use code versioning tools like Git and stay updated with modern front-end development processes like Babel and Webpack. With me as your Senior Front-End Developer you can rest assured both technical organization as well as quality are held in high regards." So let's get started - together!
$10 USD en 40 días
5,0 (2 comentarios)
1,8
1,8
Avatar del usuario
Hi, I am confident about your position. I have professional experience with React. Please contact me and discuss more detail. Looking forward to working with you. Thank you.
$15 USD en 40 días
5,0 (1 comentario)
1,6
1,6
Avatar del usuario
As the CTO of FreeGuyCrystal, my expertise in front-end development and mastery of languages like JavaScript and frameworks like React has allowed me to excel in roles requiring someone who can handle multiple responsibilities adeptly. My strong proficiency in Vanilla JavaScript and React.js, along with my thorough understanding of JavaScript object model, will ensure that I maintain and enhance your web applications effectively. Additionally, my skills in ECMAScript, RESTful APIs, JSON Web Token, Babel, Webpack, NPM and others are key assets when developing high-quality and scalable applications. My experience encompasses everything from understanding business requirements to their smooth translation into technical ones. This knack for benchmarking and optimization is complemented by my ability to identify and correct bottlenecks and fix bugs. Consequently, I offer a deep appreciation for quality applications that are not just functional but also performant. The ability to independently organize & control development teams while not compromising on time management gets the maximum output from all the resources at disposal. Being fluent in English adds on top of all the essential skills needed for this project. I am excited about the opportunity to contribute to your team's success by bringing my knowledge, experience and most importantly - passion for modern front-end technologies into play. Find your teams' perfect fit in me!
$5 USD en 40 días
5,0 (1 comentario)
1,2
1,2
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Hello, I went through the project details. I found it is interesting for me. I have 11 years of full stack development experience including skills Java, Javascript, Angular, HTML, CSS and Java framework spring boot. I have good experice in front end and backend integration. Good knowledge on DOM monipulation, rest api and json. Please let me know your good time to connect discuss more on this. Thank you Lakshmipathi
$8 USD en 40 días
5,0 (1 comentario)
0,5
0,5
Avatar del usuario
Hello, Greetings from Syndell! We have carefully reviewed your requirements and are thrilled to propose a highly personalized and effective solution for your web app development needs. Our team of Web App Developers is committed to delivering a bespoke solution that aligns perfectly with your goals and requirements. Here's how we can add value to the project: 1. Customized Approach: Our team will work closely with your stakeholders to gather detailed requirements and tailor the solution to perfectly align with your business objectives. 2. Cutting-Edge Technologies: Our web app development team utilizes the latest tools and frameworks to ensure that your application is robust, scalable and future-proof. 3. User-Centric Design: Our design team will focus on creating an interface that captivates users, enhances usability to ensure that your web app becomes a valuable asset for both your customers and internal users. 4. Agile Development: Our Agile approach allows for regular updates, feedback sessions and iterative improvements, ensuring that the final product aligns perfectly with your evolving needs. Our personalized approach, technical expertise and commitment to excellence make us the ideal choice for your Web App Development needs. We eagerly await to connect with you and upon our engagement, we will promptly unveil the rich tapestry of our portfolio. Looking forward to the opportunity. Thanks!
$10 USD en 40 días
0,0 (0 comentarios)
0,0
0,0

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Bandera de CANADA
Laval, Canada
4,8
16
Forma de pago verificada
Miembro desde oct 5, 2005

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