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    515,679 senior mobile app developer jobs found, pricing in USD

    I am building an app in Java. Need to integrate an SDK plug in based in Kotlin. Need someone with experience on interoperability between Kotlin and Java to advise how to complete.

    $101 (Avg Bid)
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    5 bids

    You must live in Albania, Bosnia and Herzegovina, Brasil, Bulgaria, Colombia, Israel, Kosovo, Montenegro, North Macedonia, Romania, or Serbia. You must be at least 16 years old. You do *not* need any experience but you must prove to me that you are able to think logically. You will normally work 1 hour/day (20 days/month). ✻ THE PROJECT ✻ You do *not* need an ESP32 (which is similar to Arduino). You will help me build a consumer IoT (Internet of Things) product using MicroPython on the ESP32. MicroPython is a subset of Python used to program microcontrollers. ESP32 is a microcontroller (similar to Arduino) but ESP32 is generally better and more powerful than Arduino. ✻ DAILY PAYMENT ✻ I will pay you each day for every hour you work with me. ✻ WORKING DAYS AND TIMES ✻ Y...

    $15 / hr (Avg Bid)
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    17 bids

    Hi! I'm looking for a game developer in TypeScript + Phaser 3. It's an avatar world addon for an existing NFT game (no crypto programming nedeed, it's already done). DETAILS: A prototype of the project is partially done, including loading a Tiled map, walking around, sorting avatar with objects, some interaction etc. I expect to further develop this for some time, but you might take this over later on. There is a multiplayer feature coming up, built in SmartFox. This will add a multiplayer avatar chat to the world. Again, I will develop this initially, but you might take over later. YOUR ACTUAL JOB: You won't start on the avatar world, instead you'll start to develop a minigame launched from within the world (I guess a separate Phaser scene). - It...

    $15 - $25 / hr
    Featured Sealed
    $15 - $25 / hr
    31 bids
    PHP Senior expert 6 days left
    VERIFIED

    I need php senior expert to work with existing api and make changes. Please show examples of most complex php projects u done and apis used.

    $1123 (Avg Bid)
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    77 bids

    I'm looking for crypto and Blockchain app developer. We can build long term relations. I hve too many projects for crypto and Blockchain development related. Drop you best developed project link. I'll check. Thank you. REG.. Hassan

    $1050 (Avg Bid)
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    5 bids

    Need a product designer, engineer to rework an existing prototype mobile personal hair appliance for women

    $19 / hr (Avg Bid)
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    15 bids

    In the ready system, a more beautiful theme can be applied. And it can write "senior developer" that will enable some functions.

    $87 (Avg Bid)
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    The task is converting existing Figma designed Mobile UI to Android XML, and test it through the apk Screen must be sliced very well to fit most screen sizes, and most be close to how it appears on the design to be accepted. please make sure you are an expert with Figma and Android XML so that you can give the best output on the design.

    $227 (Avg Bid)
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    37 bids

    We are an academic research team at HonorEd Technologies Inc. We have built an open-source, online experiment pipeline. More information at: We are looking for multiple web developers to directly work with our research lead. This system is used to manage our research team through micro-tasking, a voting system, and a point system, recruit participants, match researchers and participants, schedule experiment sessions, send reminder emails, conduct our controlled experiments, collect and organize the data. We have already developed this open-source research platform available at that we're going to continue its development and expansion. Note that this is a completely open-source project under Apache 2.0 You can find the full description of the project in the README .md file in the Gi...

    $17 / hr (Avg Bid)
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    Hi, i am hiring a PHP Developer to customize a CRM. the desired candidate must have amazing skills with php and ability to work perfectly. thank you

    $12 / hr (Avg Bid)
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    14 bids
    Flask developer 6 days left
    VERIFIED

    I want someone who can run my jupyter notebook cell codes using flask and make an interactive website.

    $80 (Avg Bid)
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    Hi Guys, I'm looking for an android developer for an easy task. Android studio knowledge is requested. The job is basic but we are looking for someone who had already developed at least one app but doesn't own an account as a developer. If you think you suit for this job, please contact us and additional information will be provided.

    $30 (Avg Bid)
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    15 bids

    We seek a seasoned and experienced iOS developer in Bengaluru to join an existing team for the next two weeks, mainly onsite. You must: - Answer the questions below. - Be located in Bengaluru. - Be fluent in git. - Be able to write and speak in English clearly and fluently. Nice to haves: - Experience with iPhone 13 Pro Max LiDAR (** no agencies, please **) To be considered, you **must** include answers to the following questions in your response: a) Are you located in Bengaluru? b) Are you an individual or a team? c) How many years of iOS development experience do you have. d) How many hours per week are you available? e) Are you prepared to run freelancer's desktop app for time-tracking while working on the project (REQUIRED)? (Please note that if yo...

    $9396 / hr (Avg Bid)
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    Hi Need help with a private label toy item i created. Need help with a brand name and logo. and design for box and pamphlet. Also need needs to have good writing skills to know what to write on the box.

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    Hello am looking for who have full knowledge of Magento development if you know you can do this please contact and come with your past project Thanks

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    Setup and configure Microsoft Power Automate to connect to the MTN Mobile Money API's Use inputs from a spreadsheet to initiate request to MTN Mobile Money using the Power Automate configuration

    $30 - $250
    Sealed
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    3 bids

    Location: only from Europe !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Mid/Senior Backend Software Engineer Node.js Mid/Senior Software Engineer (Rust) Mid/Senior Backend Software Engineer (Python) If u have great profile and skils

    $2373 (Avg Bid)
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    i need a c developer to work with me on a project for a period of 2 years. the will be paid on a monthly basis

    $62 / hr (Avg Bid)
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    Dear Developer We’re looking for a talented developer that has a lot of experience using and the Art side of development in general. We have a blender file that has all of our models/textured/some animations..etc So we have everything for you needed to make our site. What we need from you is the following concepts: VERY IMPORTANT TO KNOW THESE CONCEPTS VERY WELL:: Lazy Rendering Optimization of Poly/Triangle count(during render/display) Animate objects/Texture them using our .blend file, you will need to figure out how to export the .blend file and move all models/things to environment We need the Camera Angles nicely done Here is a sample site of what we’re looking for(remember we provide all models/assets): We will have 8-10

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    Noida developer 6 days left

    Need a developer of any skillset who can work full time in noida.. Knowledge of any CRM tool is good

    $1450 (Avg Bid)
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    This project is very simple - I'm looking to do a data scrape of all Diversity leaders in the Fortune 500 from LinkedIn. Companies - all 500 Fortune 500 companies. Job Titles (the word 'div...data scrape of all Diversity leaders in the Fortune 500 from LinkedIn. Companies - all 500 Fortune 500 companies. Job Titles (the word 'diversity' will often be followed by other words like 'and inclusion.' That's fine: Global Head of Diversity Head of Diversity Vice President Diversity Director of Diversity What I do not want to see is any title with the following in it as they won't be senior enough: Manager Coordinator Administrator Manager Project Program I don't know how many there will be - maybe 1000 max. Therefore this isn't...

    $32 / hr (Avg Bid)
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    Firebase and Vue.js Developer 6 days left
    VERIFIED

    New software in cloud at finance area. I need developer to implement new UX/UI and to extend software functionality includes interfaces. Looking for freelancer with experience and motivation. Technology : Firebase, Vue.js, Quasar.

    $56 / hr (Avg Bid)
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    Web Developer - Web Managers 6 days left
    VERIFIED

    We need a full-time web developer on staff daily 8-4 PST. Must have extensive experience and will be vetted for the fakes and no loads. Must be on time to work every day. The first time you miss your work, you are terminated. Auto applications will just be deleted. Must have own work area and work fast in word press. Must have portfolio $8 an hour

    $20 / hr (Avg Bid)
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    Title: Java Full stack Developer Job Description: · Core Skills: Java, Java Script, SQL, Angular, Spring Boot, RESTful, Microservices · Presentation Layer: o HTML, CSS, Javascript, JQuery, Angular JS, Typescript · Business Layer: o Java 8/11(Must be good in Collections), Spring Boot(MVC, DI, Repository), RESTful(JAX-RS) · Persistence Layer: o No SQL DB (Cassandra or similar) o SQL DB(Maria DB or Oracle or My SQL) o Hibernate ORM, JPA · Messaging Broker: · Kafka or ActiveMQ

    $169 (Avg Bid)
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    I have made an android Mobile application and is live on Playstore as Onetyone app. Now i have a unique idea and want a co-founder to support me and help me. I wanted someone i can trust and one who can trust on our success. Country no Barriers . Every Countrymen is welcomed. The app is made in Java and so its actually a kind of social media. The whole app is ready but just theres to give it a little finishing touch before making it live on playstore.

    $116 (Avg Bid)
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    I Need a Homey sdk developer 6 days left
    VERIFIED

    Looking to upgrade App from sdk 2.0 to 3.0 and to add additional zwave devices. What is the brand: VITRUM What is/are the device(s)/service for type: The Vitrum Wall Switch APP seems to be Abandoned no response from developer. I’m looking to have the APP Upgraded to SDK v.3 and have the Shutter Models added: What kind of category/signal(s) would the app use: Z-Wave; Is there an (public) API / documentation / manual(s) or known (other) implementations (like Blogs/Github etc)? GitHub GitHub - MakeSimpleOrg/ Contribute to MakeSimpleOrg/ development by creating an account on GitHub. Are you willing to loan or donate to a developer? Yes, donate money €/$/£ Extra information:

    $38 / hr (Avg Bid)
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    Apache Camel Developer 6 days left
    VERIFIED

    Looking for Apache Camel Developer to help me and support my project in part time basis. Please bid only if you have a good idea and work experience in Apache camel Since this work is fully related to apache camel project. And its an ongoing project for a long term basis. Need a good resource to support my project in long term basis.

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    The andoid project app its ready and its in react native. I Need to capture and stream external camera via OTG USB and use it as webcam for WebRTC video room. You are free to use UVCCamera library in Jitsi Meet Custom Application or any other library its out there. Thank you

    $8471 (Avg Bid)
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    Role is for project delivery to various clients across the US / Remote position. Seeking a Full Stack Software Engineer to support our Web and Mobile Software engineering efforts for domestic and international enterprise customers. This role joins a dynamic team that enjoys working with complex applications and products that utilize software, GIS, engineering, and problem-solving skills. Your duties and responsibilities will include: • Design, development, unit-testing, maintenance, enhancement of products adhering product architecture • Implementation of automated testing • Configuration management, management of builds, and creation of installers • Technical documentation of software design

    $52 / hr (Avg Bid)
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    Looking for ionic developer 6 days left
    VERIFIED

    We have car parking web application and we want to add a contact form in the app. Please reach out for more details.

    $8 - $19
    Sealed
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    4 bids

    We are looking for self-motivated sales representatives and distributors to introduce our mobile network RF drive testing post-processing software to customers like wireless network service providers and RF consulting firms. Some of the competitors are Actix, TEMS Discovery, Gladiator, and Nemo Analyzer. We pay a high commission only initially, but if requested after a few successful sales, we can negotiate a regular salary plus commission and build a long-term relationship. You shall have basic knowledge of mobile network technology and RF drive testing to well communicate with the potential customers.

    $20 (Avg Bid)
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    Ionic Mobile App -- 2 6 days left
    VERIFIED

    I need someone having the ionic experience to host a mobile app on the play store and fix the issues in case of any.

    $8 / hr (Avg Bid)
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    I'm looking for an individual Flask developer who can help with our backend enhancements in a long term. This is a kind of SMS messaging system using OpenAI and Flask (backend API). We use Github to manage the source code and built CI/CD with Heroku. Strong knowledge in Python, Flask and Chatbot AI is required. Please write "I am a human" at the beginning of your proposal so I know that you read the job description carefully. Thank you!

    $22 / hr (Avg Bid)
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    Looking for a senior Backend Developer. You will be a part of the team that works on the development of the backend components of all our services (main trading application, Lightning Network support, etc) The full JD will be shown to skillful candidates.

    $60 / hr (Avg Bid)
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    I need help adding some features to a frontend of web application. You will be building the Site-Wide Warning bar along with an admin console for administrators of the app to be able to turn warnings on and off or change them as necessary. Please reference the prototyped mock ups at this Figma link to get an understanding of how the interaction should work on completion.

    $263 (Avg Bid)
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    I need to update mobile number in home page and contact us page. Somehow contact us page is nmot loading. This needs to checked too. Website:

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    Use two single-bit inputs and the on-board LED as an output. Write a program that reacts to the inputs and the past states of the inputs. Denoting the two inputs by 0s and 1s, let your program activate different tasks given the input sequence, say, the state 11, followed by 10, followed by 00, etc. The inputs may be connected to wires that you can touch to VCC or Ground terminals of the board.

    $40 (Avg Bid)
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    I am looking for ready made but customisable multi vendor mobile app including vendor & admin app. Preferable languages are Flutter, React Native, React for front end, Node js/Firebase/PHP as back end.

    $784 (Avg Bid)
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    implement a Self driving Car Algorithm

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    We are going to build a script in python This script will be used in our big project and it is built in python. This script will decode any sha256 hash, so you have to be familiar with Sha256 encrypt/descript We have already a basic sha256 hash decode script, but it takes a lot of times. So we need developer to improve the time.

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    looking for a python Developer for Self driving Car

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    Looking for an Experienced Nodejs API Developer and Integration

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    Serial port developer required for a key drop box, someone who can write a program and create a frontend and back end app. Would be a plus if we can create a API and host it in the cloud but not that important.

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    Need to integrate ROS application api with a url

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    Looking for experienced Opencart developer to implement various work such as setup SEF URLs, make sure all required pages are indexed, make sure duplicate homepage issues fixed, perhaps sitewide page title implementations and other tasks similar to these. Ongoing work for the right person. You need to have solid experience with Opencart. No need to apply otherwise.

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    i need someone to build me a website and service of virtual assistant manager

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    I need a full-stack developer to create the back end of our NFT project based on the Solana blockchain.

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    Looking for developer who can help me develop an application that can remotely delete the data present on the phone in a third-party application.

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    hi everyone I'm looking for a WordPress website developer that could give me a hand in a website that I'm doing and struggling with a few set ups

    $254 (Avg Bid)
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    flutter developer for an app 6 days left
    VERIFIED

    looking for an flutter developer to develop an app details are: I will need the application which will have: 1) central diary for the driving school visible to me, 2) seperate diaries for instructors where they can manage , set up by themself. 3) There needs to be function of collecting details of the customer which can be exported externally as CSV file. 4) Option of Confirmation of Terms and Conditions of the School by signature. It is not possible to access an app if customer doesn't confirm Terms and Conditions. 5) I can sent via sms application download invitation to customers 6) Central App will send to customers a reminder about lesson 24 hours before. 7) Private chat with customer through the app chat 8 Different lessons with changable pri...

    $21 - $127
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