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< title > Developer Challenges< / title >
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< meta name = "HandheldFriendly" content = "True" / > < meta property = "og:title" content = "Telegram Developer Challenges" >
< meta property = "og:description" content = "Participate in Telegram Coding Competitions and help find issues in the apps." >
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< div class = "header-auth-item" > < a class = "header-auth-link login-link" href = "/auth" > Login< / a > < / div >
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< ol id = "breadcrumb" class = "header-nav breadcrumb" > < li class = "cd-logo" > < a href = "/" > < i class = "cd-icon" > < / i > < span class = "cd-logo-title" > Developer Challenges< / span > < / a > < / li > < / ol >
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< main class = "container" > < section class = "cd-aside" >
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< h4 > Recent News< / h4 >
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< p > Subscribe to the < a href = "https://t.me/contest" > Telegram Contests< / a > channel for the latest updates and information about < strong > ongoing competitions< / strong > .< / p >
< h4 > About this Platform< / h4 >
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< p > Everybody is welcome to try out works submitted by the contestants and create issues (with supporting videos and screenshots) if they encounter any problems.< / p >
< p > < br > < / p >
< p > Contestants can respond to issues. They appear on the platform under < strong > animal aliases< / strong > to ensure fairness and transparency in testing. < strong > Admins< / strong > will be around to do their own checks on the apps and tally up the < strong > results< / strong > .< / p >
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< p > < br > < / p >
< p > If you' re looking for information about contests that are currently open, check the < a href = "https://t.me/contest" > Telegram Contests< / a > channel.< / p >
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< / div >
< / section >
< section class = "cd-content" >
< h3 class = "cd-header" > Contests< / h3 >
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< a href = "/android-design" class = "cd-contest" >
< div class = "cd-contest-title" > Android Design Contest. $ 30,000< span class = "cd-badge cd-badge-new" > New< / span > < / div >
< div class = "cd-contest-period" > Jul 8 – < / div >
< / a > < a href = "/sticker-app" class = "cd-contest" >
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< div class = "cd-contest-title" > Sticker App Contest. $ 50,000< span class = "cd-badge cd-badge-new" > New< / span > < / div >
< div class = "cd-contest-period" > Jun 25 – < / div >
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< / a > < a href = "/dc2021-r2" class = "cd-contest" >
< div class = "cd-contest-title" > Data Clustering Contest 2021, Round 2. $ 50,000< span class = "cd-badge cd-badge-new" > New< / span > < / div >
< div class = "cd-contest-period" > Apr 17 – < / div >
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< / a > < a href = "/ios2021-r3" class = "cd-contest" >
< div class = "cd-contest-title" > iOS Contest, Round 3 (watchOS)< / div >
< div class = "cd-contest-period" > May 19 – < / div >
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< / a > < a href = "/android2021-r2" class = "cd-contest" >
< div class = "cd-contest-title" > Android Contest 2021, Round 2. $ 50,000< / div >
< div class = "cd-contest-period" > Mar 19 – < / div >
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< / a > < a href = "/stickers2021-r1" class = "cd-contest" >
< div class = "cd-contest-title" > Animated Sticker Contest 2021. $ 50,000< / div >
< div class = "cd-contest-period" > Mar 11 – < / div >
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< / a > < a href = "/ios2021-r2" class = "cd-contest" >
< div class = "cd-contest-title" > watchOS Contest 2021. $ 47,000< / div >
< div class = "cd-contest-period" > Mar 5 – < / div >
< / a > < a href = "/android2021-r1" class = "cd-contest" >
< div class = "cd-contest-title" > Android Contest 2021. $ 60,000< / div >
< div class = "cd-contest-period" > Jan 30 – < / div >
< / a > < a href = "/ios2021-r1" class = "cd-contest" >
< div class = "cd-contest-title" > iOS Animation Contest 2021. $ 50,000< / div >
< div class = "cd-contest-period" > Jan 15 – < / div >
< / a > < a href = "/aptitude-tests" class = "cd-contest" >
< div class = "cd-contest-title" > Aptitude Test Contest. €250,000< / div >
< div class = "cd-contest-period" > Dec 31, 2020 – < / div >
< / a > < a href = "/javascript-web-bonus" class = "cd-contest" >
< div class = "cd-contest-title" > JavaScript Contest, Bonus Round< / div >
< div class = "cd-contest-period" > Aug 18 – < / div >
< / a > < a href = "/javascript-web-3" class = "cd-contest" >
< div class = "cd-contest-title" > JavaScript Contest, Stage 3< / div >
< div class = "cd-contest-period" > May 30 – < / div >
< / a > < a href = "/data-clustering-2" class = "cd-contest" >
< div class = "cd-contest-title" > Data Clustering Contest, Stage 2. €100,000< / div >
< div class = "cd-contest-period" > May 11 – < / div >
< / a > < a href = "/voip-contest-3" class = "cd-contest" >
< div class = "cd-contest-title" > VoIP Contest, Stage 3. €50,000< / div >
< div class = "cd-contest-period" > Mar 9 – < / div >
< / a > < a href = "/blockchain-2-bonus" class = "cd-contest" >
< div class = "cd-contest-title" > Blockchain Contest, Stage 2: Bonus Prize €80,000< / div >
< div class = "cd-contest-period" > Mar 6 – < / div >
< / a > < a href = "/javascript-web-2" class = "cd-contest" >
< div class = "cd-contest-title" > JavaScript Contest, Stage 2< / div >
< div class = "cd-contest-period" > Jan 31 – < / div >
< / a > < a href = "/voip-contest-2" class = "cd-contest" >
< div class = "cd-contest-title" > VoIP Contest, Stage 2. $ 75,000< / div >
< div class = "cd-contest-period" > Jan 14 – < / div >
< / a > < a href = "/blockchain-2" class = "cd-contest" >
< div class = "cd-contest-title" > Blockchain Contest, Stage 2. $ 100,000< / div >
< div class = "cd-contest-period" > Dec 7 – < / div >
< / a > < a href = "/data-clustering" class = "cd-contest" >
< div class = "cd-contest-title" > Data Clustering Contest. $ 100,000< / div >
< div class = "cd-contest-period" > Nov 18 – < / div >
< / a > < a href = "/javascript-web" class = "cd-contest" >
< div class = "cd-contest-title" > Javascript Contest, Stage 1. $ 80,000+< / div >
< div class = "cd-contest-period" > Nov 3 – < / div >
< / a > < a href = "/voip-contest" class = "cd-contest" >
< div class = "cd-contest-title" > VoIP Contest, Stage 1. $ 50,000+< / div >
< div class = "cd-contest-period" > Oct 15 – < / div >
< / a > < a href = "/animated-stickers" class = "cd-contest" >
< div class = "cd-contest-title" > Animated Stickers Contest. $ 25,000+< / div >
< div class = "cd-contest-period" > Oct 5 – < / div >
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< / a > < a href = "/themes" class = "cd-contest" >
< div class = "cd-contest-title" > Theme Design Contest. $ 25,000+< / div >
< div class = "cd-contest-period" > Oct 5 – < / div >
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< / a > < a href = "/blockchain" class = "cd-contest" >
< div class = "cd-contest-title" > Blockchain Contest. $ 200,000– < / div >
< div class = "cd-contest-period" > Sep 24 – < / div >
< / a > < a href = "/telegrambugs" class = "cd-contest" >
< div class = "cd-contest-title" > Bugs on Telegram< / div >
< div class = "cd-contest-period" > Jun 14 – < / div >
< / a > < a href = "/chart-js" class = "cd-contest" >
< div class = "cd-contest-title" > JavaScript Chart Competition. $ 50,000< / div >
< div class = "cd-contest-period" > Apr 7 – < / div >
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< / a > < a href = "/chart-android" class = "cd-contest" >
< div class = "cd-contest-title" > Android Chart Competition. $ 50,000< / div >
< div class = "cd-contest-period" > Apr 7 – < / div >
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< / a > < a href = "/chart-ios" class = "cd-contest" >
< div class = "cd-contest-title" > iOS Chart Competition. $ 50,000< / div >
< div class = "cd-contest-period" > Apr 7 – < / div >
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< / a >
< / section > < / main >
< / div > < div class = "popup-container login-popup-container hide" id = "login-popup-container" >
< div class = "popup" >
< div class = "popup-body" >
< section >
< h2 > Log In< / h2 >
< p > Log in here to leave comments and take part in the Telegram Competitions. Please enter your < b > phone number< / b > in the < a target = "_blank" rel = "noopener" href = "https://telegram.org/faq#login-and-sms" > international format< / a > and we will send a confirmation message to your account via Telegram.< / p >
< form id = "send-form" class = "login-form" >
< div class = "form-group" >
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< input type = "tel" class = "form-control cd-form-control input-lg" id = "phone-number" placeholder = "+12223334455" autocomplete = "off" / >
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< / div >
< div class = "popup-buttons" >
< a class = "btn btn-link btn-lg login-cancel-btn" > Cancel< / a > < button type = "submit" class = "btn btn-link btn-lg" > Next< / button >
< / div >
< / form >
< div id = "login-form" class = "hide" >
< div class = "form-group" >
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< span class = "form-control cd-form-control input input-lg input-disabled" > < strong id = "phone-number-field" > < / strong > (< a class = "login-back" href = "/auth" > Incorrect?< / a > )< / span >
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< p class = "help-block dots-animated" > We' ve just sent you a message.< br / > Please confirm access via Telegram< / p >
< / div >
< div class = "popup-buttons" >
< a class = "btn btn-link btn-lg login-cancel-btn" > Cancel< / a > < a class = "btn btn-link btn-lg login-back" > Back< / a >
< / div >
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< / section >
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< script src = "/js/jquery.min.js?1" > < / script >
< script src = "/js/bootstrap.min.js" > < / script >
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< script src = "/js/main-aj.js?53" > < / script >
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< script src = "/js/contest.js?24" > < / script >
< script src = "/js/jquery-ui.min.js?1" > < / script >
< script src = "/js/tgsticker.js?24" > < / script >
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< script > ajInit ( { "version" : 364 , "apiUrl" : "\/api?hash=telegram-crawler" , "unauth" : true } ) ; < / script >
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< script id = "aj_script" > A j . _ u s e S c r o l l H a c k = t r u e ;
Aj.onLoad(function(state) {
function requestConfirmation(event) {
event & & event.preventDefault();
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var phone = $('#phone-number').val();
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$.ajax({
type: 'POST',
url: '/auth/request',
data: {
phone: phone
},
success: function(result) {
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$('#phone-number-field').text(phone);
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$('#send-form').addClass('hide');
$('#login-form').removeClass('hide');
checkAuth(result.temp_session);
},
error: function(xhr) {
showAlert(xhr.responseText || 'Server error');
},
dataType: 'json'
});
return false;
}
function cancelConfirmation(event) {
event & & event.preventDefault();
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$('#phone-number-field').text('');
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$('#send-form').removeClass('hide');
$('#login-form').addClass('hide');
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$('#phone-number').focus();
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clearTimeout(window.authTimeout);
return false;
}
function checkAuth(temp_session) {
clearTimeout(window.authTimeout);
window.authTimeout = setTimeout(function doCheckAuth() {
$.ajax({
type: 'POST',
url: '/auth/login',
data: {
temp_session: temp_session
},
success: function(result) {
if (result) {
location.reload();
} else {
checkAuth(temp_session);
}
},
error: function (xhr) {
showAlert(xhr.responseText || 'Server error');
},
dataType: 'json'
});
}, 700);
}
$('#login-popup-container').on('popup:open', function() {
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$('#phone-number').focus();
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});
$('#login-popup-container').on('popup:close', function() {
cancelConfirmation();
if (location.pathname == '/auth') {
window.history & & history.replaceState(null, null, '/');
}
});
$('#login-popup-container #send-form').on('submit', requestConfirmation);
$('#login-popup-container .login-cancel-btn').on('click', function(e) {
e.preventDefault();
closePopup('#login-popup-container');
});
$('#login-popup-container .login-back').on('click', cancelConfirmation);
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$('.login-link').on('click', function(e) {
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e.stopImmediatePropagation();
e.preventDefault();
openPopup('#login-popup-container');
});
});
Aj.onUnload(function(state) {
$('#login-popup-container').off('popup:open');
$('#login-popup-container').off('popup:close');
$('#login-popup-container #send-form').off('submit');
$('#login-popup-container .login-cancel-btn').off('click');
$('#login-popup-container .login-back').off('click');
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$('.login-link').off('click');
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});
< / script >
< script > Aj . pageLoaded ( ) ; < / script >
< / body >
< / html >
