Javascript performance optimization jobs

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    231,190 javascript performance optimization jobs found, pricing in USD

    Hi. I need Fullstack Javascript Developer within 2 years experience Salary is monthly and job is part-time (300 - 400$ depends from knowladge)

    $152 (Avg Bid)
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    We are looking for a skilled GNU/Linux sys admin to help us manage and operate about 10 RHEL and SuSE Linux servers, in different locations. We would like to have defined a basic daily and weekly maintenance checklist to make sure everything is working and to support us when any incident appears. We would like also to tune and optimize the performance of the mysql/apache in each of those servers...

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    PHP/CSS Expert 6 days left
    VERIFIED

    Hi guys, Our website has some css glitches that needs to be fixed. The desktop version On the front page the Cart icon is showing empty box when the Cart is empty when it should not popup anything. For some reason clicking the icon User in the header is not popping out the modal reg/login form anymore. On the Product info page we want to change the text of the tab Details to Overview On the same...

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    Looking for someone who is passionate about influencer marketing, or curious and eager to learn how the industry operates. Customer Service -able to assist the team by responding to emails -speaking with influencers & brands via email and web meeting General Administration -complete tasks with precision and accuracy -reports -presentations -emails -sheets & data -vetting leads -a...

    $30 - $250
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    Work: Hi! Our goal is to build a new webpage for a transport company. (trucks drivers company) The Webpage will be really simple, however there are high expectation in the design and quality. At the beginning three different templates will be sent and we will choose one of them to work on it. Text will be provided by us in German. Logo should be done too. You should be able to work on your own a...

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    Job description: We need a France native to deal with our online store customer service work. The daily work mainly covers: Checking if all listings online are active Checking Performance of the online store Answering and sending Emails from/to customers Checking and answering review, leave comments on it Optimize the listings by Partime job, need you to work 1-2 hours everyday and using your own ...

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    Web/PHP developer with minimum 1 to 3 years experience. Experience in Joomla, WordPress, SQL, Open Cart, Cakephp, Core Php, Html, Mysql, Javascript, Jquery, Css would be preferable.

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    Customize an opensource code. 6 days left
    VERIFIED

    Need to reskin and customize an open source project Add user management and some functionalities Freelancers who are quick in understanding code structure and expert in Javascript may apply

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    I want to develop my HR application in Typescript Basically for the HR system requirements, I'd be looking at the following areas: HR management Employee Scheduling Performance Management Learning Management Recruitment Talent Management Workforce Management Employee dashboard for employee to login Thanks.

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    I need someone to help with making better optimization of my website and SEO friendly where necessary

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    Sales Person, Telemarketing 6 days left
    VERIFIED

    Pay Rate: During training (first 3 months) $2aud/h 1st and 2nd month $3aud/h 3rd month After training $4aud/h 4th month and thereafter (however raises will apply based on performance). Bonuses paid on every sale; easy potential to make an ongoing $200+ per week in uncapped bonuses after just a few weeks on the job. Since customers tend to rebook every 2, 3 or 4 years, eventual residual income wil...

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    now I have a site which is a little slow so I need to do following 1. speed optimization. 2. What we need is a why for our customer to see the colors that he chose for his Bobbel next to each other, to give him a good shopping experience. Please see the attached PDF to know what is required exactly. the requirements need to be fulfilled completely and in high quality. No beginner quality will b...

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    We are looking for a disciplined, analytical and data driven assistant or part time Amazon - Zon Tools PPC sponsored ad/products/brand expert. You will maintain, optimize, discover and set goals for our Amazon PPC campaigns via zon tools on a regular weekly and monthly basis. Your goals include: 1. Granular campaign structure setup by SKU or finer 2. Maintain and remove non performing keywords 3...

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    Hello Freelancers, I need someone to help me Add gif animations (I already have the gif animation files) to the user interface of our current software. I have attached a document that further explains. I would like for you to use html, javascript, or python for this project. Let me know if you have any questions. Best Regards,

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    we have few long running hql which needs to be converted to spark. it should be generic so that any hql can be converted to spark. fixed bid £100. selection based on prior real time experience.

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    The purpose of the project is to track the vehicle and its activities from the point of starting the vehicle, its travel to the destination, arriving at the destination, completion of the pesticide-based services and returning the vehicle back to the company. It also needs to be able to facilitate communication by the fleet manager personnel with the driver, the customer and customer and driver sh...

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    Understand and shape product functionality by providing very deep technology focused insights Own/maintain code – everything from design, development to bug fixing Focus on clean high-quality code Facilitate problem diagnosis and resolution for issues reported by Customers Deliver to schedule and timelines based on an Agile/Scrum based approach Must be able to independently design code and t...

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    Hello, are you looking for a teaching job. We are a small company that help students learn how to code and we are looking for someone who can join our small team. You will be paid by hour. You must have an experience in teaching coding. You will take a test in HTML,CSS. JavaScript. After you pass your test then we will give you a job. This is a continuous project so you’ll always have a ...

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    Javascript/Jquery Expert 6 days left
    VERIFIED

    we have one page where user can mark point on image, draw lines while using magnifier etc. we are facing couple of issue in handling the same. Need some expert who can handle the same and fix it by today only.

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    Develop a WooCommerce Food Delivery website or Apply new theme to existing website along with performance improvements.

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    We need to use several computers in different states remotely and this lasts for many years. It needs high internet speed and computer performance. And you must be male who lives in US/UK/Canada. This is completely legal job and you will be content with working with us. You have to know English.

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    I'm looking for a logo and possibly graphics for my [login to view URL] Title Page, Facebook Group Title Page, and YouTube Channel Title Page for a motorcycle club I run called Los Angeles Sport Touring Motorcycle Club - [login to view URL] My current logo is horrible. I'd like something that looks similar to a typical Motorcycle Club but very Los Angeles and Malibu Canyon Beach Roads an...

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    Featured Guaranteed Top Contest
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    Greetings, I'm looking for an individual developer who is well-versed in Javascript/HTML5. On top of that, fluent English(UK, US) is required(Please confirm again this option) if not, your proposal will be ignored. Best, P.S not preferred for Indians. Thanks

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    Hello, I need someone to perform some Advanced configuration on a Cloud-Flare account. The end configuration would result in the domain name testing exactly like this domain which is on Cloud-Flare as well: [login to view URL] Currently the domain is on Cloud-Flare but it is testing like this: [login to view URL] Yes it has a pro account, so there shouldn't be any reason why isn't g...

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    We are fast growing tech-startup working on our flagship product that we are planning to roll out later this year. As per of this product we would like to develop a mobile application and web platform and looking forward to hire an agency or individual who can help us build our platform end to end and assist us in launching apps on the app store successfully. We are looking to build our mobile ...

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    This is not a high-income job but a steady one with long-term possibility. If you have acquaintances with great English, that's even better. Web development skills and experiences could be a big plus, especially with Javascript but it's not required. Please reach out to me for the details. Before applying your proposal please check the following things. 1. Are you available for the vide...

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    I have one website developed with Javascript. It has enough functions and features but the weakness is that it is not well-designed. Please help me.

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    I installed InsightIQ (a software tool used for performance reporting from another host) that is supposed to be accessible using the hostname or FQDN from browser. When I type the Linux VM name, the browser returns as "It Works". But when I type the InsightIQ C-name, it returns "This site can’t be reached". I Need someone to troubleshoot help resolve the problem. It requi...

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    Are you a growth hacker? Funnel creator? Someone that knows how to put the dots together to create a scalable campaign? Join a winning team! We want to test out your skills with a small project. Explain how you can bring traffic or customers and we'll make a bet on you. If we see good results we can grow from there. We own multiple brands including 310 Nutrition & Beachwood [login to...

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    Join a winning team! Pay and terms are negotiable based on experience and what the scope of work is. You'll have access to our 100 person team of developers, marketers, graphic designers, analysts, ect. in our office in Los Angeles. Everything you need to scale/grow the ad spend and sales along with your pay. If you have your own team that works too. You'll be part of a highly skilled t...

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    I am a startup ISP and looking to develop LTE for data accross Port Moresby city in Papua New Guinea and Enga province papua New Guinea, Alotau especially in Misima and samorai area in papua new guinea. I need to develop network coverage design and RF frequency to apply spectrum. For some areas like Port Moresby lower frequency is not available but some 1800, and above I can get. In remote areas ...

    $750 - $1500
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    I am in need of a developer who is experienced in HTML and JavaScript. I am using Grid Editor library in my webapge ([login to view URL]) I want a developer who can: 1. Embed GridEditor into my website. 2. Make GridEditor enter the the order of grid as JSON string into a text field. 3. Rearrange the boostrap grid in my other webpage according to the JSON string constructed in step 2.

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    I need a programmer with github knowledge, websocket, javascript, ETH, ETH solidity MORE INFORMATION ON CHAT ONLY

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    30+ years experience as a Bussiness Unit Head /CEO in FDPS,MEP Projects .. Engineering/Proposals preparation, Project Management & Supply chain management are my specialisation Mech Engg Graduate & Master Diploma in Training from IATD . 30+ Yrs EPC exp in Power&RE, Oil&Gas,Ship Repairs,Automobile, Infra,Sugar and Cement projects. Presentations given at (a)Indo-US co-operatio...

    min $50 / hr
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    please report only if you can show results The payment is made on a profit basis. if you achieve more sales you deserve more as well Looking for experienced FB marketing specialist to fully manage FB ads from scratch for our brand new dropshipping Shopify store, to gain at least 3.0 ROAS (MOST IMPORTANT!!!). The store has about 50 products, about 6 potential winning products listed. No revenue ...

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    seeking to hire one freelance developer (not a company) for ongoing work to assist with troubleshooting our existing custom application which is used to create quotes for our travel clients, creating modules to existing program we developed in PHP, website coding, changing page designs and funcitonality Skills needed are PHP, MySQL, MongoDB,,JavaScript, CSS, BOOTSTRAP CSS, HTML5, Expert skills...

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    I am using plotly to plot a graph to show the evolution of data in time. For some unknown reason, my graph slider doesn't work anymore and i can only show the data at the first date, and not the other dates, and this needs to be repaired. So when i choose another date with the glider, i should see the graph change shape (which was the case before but not anymore) to convert the data to javas...

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    A Rockstar Amazon VA Needed 6 days left
    VERIFIED

    Need an ongoing Amazon VA to help with: - basic photo editing - Flat file updates - Enhanced Brand Content - Maybe help with advertising optimization - Anything you can do to help us sell more !

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    We are a fast-growing multi-faceted company that includes a marketing agency and software development division, headquartered in Scottsdale, AZ. We are looking for a Full Stack Developer and IT Consultant. This is a part-time opportunity but will consist of weeks where a rather large volume of work may be needed. Job Summary: You will maintain and develop web applications in LAMP (Linux, Apache...

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    Looking for converting Adobe XD to HTML + JS ( JQUERY, javascript or angularjs ) + CSS3.

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    ON PAGE SEO 6 days left
    VERIFIED

    Hi, We got our website - [login to view URL] which needs to be audited & make it error free and perfect site in terms of ON PAGE SEO. You would need to do all required corrections like tags, meta , 404 , SSL/https, server check, broken links, images optimization & covering deep level of ON PAGE SEO. Site is not that big...small site with limited [login to view URL] it is a very simple ...

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    ** Update** - I already have some code written. Its written in Javascript, using Node.js, and [login to view URL] for the multiplayer stuff. [login to view URL] as the drawing library on the client side. You will need to be able to continue building on the code. I am looking for a perfect replica of balz.io. (as far as the gameplay is concerned) Im looking to have a game similar to balz.io. Excep...

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    Before you offer please make sure you have all Below qualities. 1: You have developed a Os Classified template in past ( must show prove in your profile) 2: You Must do what i required 100% No time waster must needed to contact. 3: You must have a decent Feedback, new developer please do not try thanks. 4: Project will be awarded based on milestone progression. The design is simply mentioned i...

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    Before you offer please make sure you have all Below qualities. 1: You have developed a Os Classified template in past ( must show prove in your profile) 2: You Must do what i required 100% No time waster must needed to contact. 3: You must have a decent Feedback, new developer please do not try thanks. 4: Project will be awarded based on milestone progression. The design is simply mentioned i...

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    My client has an opencart mall with nitropack and multimerch add on modules. Speed was working not too bad even with many ads and able to login within 2 to 3 seconds via SSO to another member database server. Right now the speed is very slow. Even when we access the admin portal and mysql portal. the loading are slow. So I guess either mysql or server issues. Looking for opencart expert to...

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    We need to use several computers in many regions remotely and this lasts for many years. It needs high internet speed and computer performance. And you must be someone who lives in US/UK/Canada You have to know English.

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    We are startup but fast-growing team with experienced developers and designers, UI/UX testers. We recently developed a website full of 3D objects and rendering and need to test it in different locations in US. We need to access to several computers in many regions remotely and good result will lead you to long-term relationship with our team. It needs high internet speed and computer performance. ...

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    He has developed systems for resource savings and process optimization. He has developed over 700 jobs since 2000. One of his biggest clients in the area of E-commerce is an executive at Swissmade Chronowatch, Spain and Sweden.

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    I wanna update my project to reactjs. My project have blotterjs effect. so I need javascript expert with reatjs and blotterjs. If you don't know well,do not apply.

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    Requirement of expert frontend developer. The developer should be excelled in the following skills atleast: HTML/CSS JavaScript/jQuery CSS and JavaScript Frameworks CSS Preprocessing Version Control/Git Responsive Design Testing Debugging Browser Developer Tools Building and Automation Tools/Web Performance Command line Kindly bid with your proposals, followed by your monthly salary. Don't ...

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