SDK Update asap

The goal of this project is to update our SDK which is used to deliver creative, interactive ads into mobile applications. On a high-level, the update consists of a) updating to meet the latest requirements of current OS (both iOS and Android) API, b) implementing some new features on top of the existing SDK and c) verifying the expected functionality. Please read the description below for more details.



YOC has developed a programmatic advertising platform (SSP) – VIS.X – to trade publisher ad inventory in real-time and display creative, rich media ads on publisher websites.

Towards publishers integrating with the platform it provides HTTPS-based APIs to request and deliver the ads. The ad code is being delivered as a HTML mini-website incl. CSS and JS. Once rendered in the web browser it will display the ad creative and perform ad tracking and measurement.

A sample site with an video ad can be found here (scroll down to see the ad):

[login to view URL]



The implementation of ads in native mobile applications on iOS and Android requires a SDK to request, display and perform tracking of ads. YOC has built such a SDK in the past, however it was not updated for the last few years. The last release of both iOS and Android SDKs was around mid 2015 and was supporting the then-current iOS and Android versions.

The purpose of the YOC SDK (compared to other ad SDKs) is not only to display standard banners and interstitials (a.k.a. pop-ups). It has also the ability to show rich media, interactive or video ad formats. A description of the possible formats are shown here:

1. YOC Understitial Ad: [login to view URL]

2. YOC Inline Video Ad: [login to view URL]

3. YOC Mystery Ad (de-facto interstitial): [login to view URL]

4. YOC Mystery Scroller - a banner that sticks to the bottom of the page and reacts to scrolling events within the app/browser: [login to view URL]

The SDK interacts with other similar SDKs to perform mediation, i.e. when an ad call of a given SDK A did not return a successful result (i.e. an ad that can be served) then SDK B had to be called. This required both SDKs to implement a common interface and pass calls along to each other. In this regard, the existing functionality must be tested and checked whether the API of the important mediation SDKs has changed.

The expected functionality, such as requesting and displaying ad formats, and the request mediation between YOC and third-party SDKs, must be ensured and proven in a demo app. An additional important factor is, that the SDK must not crash or delay the parent application, even if problems, network errors or timeouts occur. Although this behaviour is already assumed to be implemented, verification needs to be done.

Required Skills


- 3+ years of experience in mobile application development on iOS and Android platforms

- At least one successful project related to building a SDK / library for native mobile applications

- Experience in the field of digital advertising and know-how about the general workflows of ad requests/responses

About Us


YOC is a pioneer and leading independent provider of data-driven mobile advertising solutions in Europe.

With our long-standing expertise, we have created a marketplace for innovative and non-intrusive digital ad formats and deliver them across all programmatic and direct trading channels. With our pioneering technology we aim to operate qualitatively at the top of the advertising market and deliver better advertising experiences to everyone. We have developed a unique and proprietary platform VIS.X® to cover the full potential of effective programmatic advertising.

Evner: Android, iOS Development, Java, Mobile App Development

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Om arbejdsgiveren:
( 0 bedømmelser ) Berlin, Germany

Projekt ID: #22222019

49 freelancere byder i gennemsnit €17565 på dette job


Hi there! I've read the details you mentioned and I'm interested in working on this app at very fair low cost with great quality! If you give us your few minutes for the chat then we can discuss some important points Flere

€10000 EUR in 45 dage
(308 bedømmelser)

Dear Sir, I have analyzed your requests and we will provide you full custom solution here, with all details you wants and high quality. I'm representing Falcons Interactive Ltd. and we did over 190 high-end Websites, Flere

€75000 EUR in 90 dage
(23 bedømmelser)

Hello, I have 6 years of experienced on mobile application ( iphone/ ipad+ Android ) and App admimn with development web services where admin can manage the app from backend I have developed the TAXI apps, google Flere

€15000 EUR in 7 dage
(189 bedømmelser)

Hi, We are a team of developers here with android and ios native expertise. We can work a full-time basis for this ads SDK upgrade task. Let's discuss this in detail. So I can share a complete breakdown. [ My Por Flere

€10000 EUR in 90 dage
(130 bedømmelser)

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€19411 EUR in 75 dage
(35 bedømmelser)

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€15882 EUR in 50 dage
(52 bedømmelser)

Hi there, I'm quite interested to work with your team. I have got the relevant experience. Regarding SDK experience, We have worked with a Startup named as Kustomer. Developed SDK for them. Open Source: https://git Flere

€15000 EUR in 7 dage
(30 bedømmelser)

Hi there, We reading your requirements about the SDK which you want to add new features & functionality to be implement in existing existing SDK which is not update from 3 years and also want us to test the existing fu Flere

€10000 EUR in 40 dage
(26 bedømmelser)

Hello, I've reviewed your job description very carefully and got the idea on what you are looking for. I can complete this project and also can start it quickly. I am a Mobile developer with 7+ years of experience wi Flere

€10000 EUR in 7 dage
(103 bedømmelser)

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€20000 EUR in 50 dage
(132 bedømmelser)

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€15984 EUR in 9 dage
(46 bedømmelser)

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€20000 EUR in 45 dage
(13 bedømmelser)

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€20000 EUR in 30 dage
(128 bedømmelser)

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€15000 EUR in 30 dage
(29 bedømmelser)

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(18 bedømmelser)

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€10000 EUR in 20 dage
(84 bedømmelser)

Hi, We can definitely update, enhance and test your SDK. We are an ISO ISO9001:2015 certified company and have completed many projects successfully on freelancer and also have been in the software development busines Flere

€20000 EUR in 30 dage
(10 bedømmelser)

Hi. I just read your project description carefully and I understood almost your requirement. I have over 5 years of experience in mobile development iOS/Android but actually digital advertising field no. But I'm fast l Flere

€15000 EUR in 7 dage
(7 bedømmelser)

Hi, I'm a talented developer for iOS, Android and have 11.2 years full time development experience. I have already developed a great number of various applications, namely on-demand services, location-based apps, s Flere

€10000 EUR in 7 dage
(18 bedømmelser)

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€15000 EUR in 30 dage
(11 bedømmelser)