Day rate app developerslavori

Ho bisogno di un traduttore Italiano inglese con un buon rate

Il presente annuncio è rivolo SOLO A ITALIANI. No stranieri. Cerco un ragazzo/a italiano che dovrà collaborare stabilmente per una startup, un'agenzia software di sviluppo applicativi web. Il progetto è innovativo e ambizioso e qui non posso entrare molto nei dettagli. Per essere operativi in questa attività è necessario imparare WaveMaker. WaveMaker è un RAD con un ottimo rapporto prezzo/benefici. E' un prodotto professionale a differenza di molti altri (vedi Scriptcase). Imparare WaveMaker non è un gioco. Sarebbe importante conoscere Java ma non è indispensabile per ora in quanto abbiamo disponibili altri freelancers con esperienza nella materia che possono intervenire negli aspetti critici dello sviluppo. Chiarisco subit...

Cercasi WEBDESIGNER/GRAFICO/UX DESIGNER. Non cerchiamo un WEB DEVELOPER O UN ESPERTO JOOMLA. Cerchiamo quindi una persona che conosca veramente HTML5, CSS, LESS, SASS, SCSS, JAVASCRIPT, JQUERY, suite ADOBE e capacità di produrre progetti avanzati di WEB Design e progetti GRAFICI. Il lavoro è in remoto e può essere continuativo e concentrato su prog...cerchiamo un WEB DEVELOPER O UN ESPERTO JOOMLA. Cerchiamo quindi una persona che conosca veramente HTML5, CSS, LESS, SASS, SCSS, JAVASCRIPT, JQUERY, suite ADOBE e capacità di produrre progetti avanzati di WEB Design e progetti GRAFICI. Il lavoro è in remoto e può essere continuativo e concentrato su progetti DI WEB DESIGN, UX DESIGN E DI COMPONENTI WEB avanzati in collaborazione con il team d...

realizare una pubblicità il tema e il laser attirare clienti nella giornata open day immagine donna oppure uomo e donna creatività e design a vostro piacimento vi elenco le frasi e gli slogan da inserire : -liberati dai peli -Open day -Epilazione Laser sicura su ogni tipo di pelle - sicuro -efficace -veloce -chiedi alla tua estetista Metti la tua bellezza in mani sicure e liberati dai peli superflui Prenota subito un CHECK UP gratuito buon lavoro

>Registrati o accedi per visualizzare i dettagli.

...12mesi - Divideremo la collaborazione in 2 fasi: FASE 1: per quale si riferisce il budget visualizzato in questa proposta e sara' dedicato allo sviluppo del nuovo design FASE 2: nella quale sara' fissato un budget successivamente, dove il designer collaborera' su base part-time, per la produzione dei visual contents che verranno utilizzati sui socials e altri bisogni per day-to-day operations Per maggiori info, just let me know. Grazie...

Ho bisogno della creazione di alcune macro per importare live data da alcuni siti (quote e risultati), uniformare le nomenclature delle squadre, copincollare in diversi fogli le partite che rispondono a determinati requisiti e fissare dei filtri per segmentare ancora di più le condizioni, in base al success rate.

Salve desideravo sapere se disponibile alla realizzazione di alcuni html mail template e landing page da usare con interspire. 3 giorni da considerarsi a 3/4 hr day al max. Saluti

***richiesto sviluppatore italiano*** ***only italian developers*** sto sviluppando una app ibrida per smartphone (android e ios) basata su ionicframework. per velocizzare la conclusione del progetto cerco uno sviluppatore esperto di questo ambiente (html5, angular JS, cordoba, ionic) che possa collaborare con un altro sviluppatore che ha già sviluppato l'architettura e buona parte del codice. richiesta competenza e capacità di lavorare in autonomia con efficenza. ideale su Roma o Milano. pagamento a tempo impiegato mandate perfavore riferimenti di app su cui avete lavorato per capire il livello del vostro lavoro.

...ad una pagina come questa ( ) o ( ) che ora è situata in blog ma sarà la porzione inferiore della home e verrà intitolata "articoli recenti" e in mezzo ci sarà la possibilità di mettere la pubblicità di google . prima di tutti gli articoli vorrei mettere un apposito spazio per le quote of the day oppure situato come nel secondo esempio ( ) in mezzo agli articoli. 3) a sx il menù va bene così ( ) con le voci: Home (che rimanda al video sopra con i giorni della settimana), articoli recenti, categorie, about, contact. e per lo più saranno pagine che riempirò io. 3a) categorie avrà

...SKILLS and KNOWLEDGE can face the market and the competition to which it refers. I possess a clear plan and determined where the main content is downloading free applications as my competitors. My project, however, wants to offer tremendous quality and satisfaction to the users as they don't neglect the revenues later. But let's answer some questions: - Size of the project? Large: users, developers & readers, advertisers; - The project target? From teenagers to adults without distinction; - Categories of reference of the project? Entertainment, education, work, security. - What users deem interesting for my site? [Study with business plan] - Why users should choose my site than others? [Business plan] - How do users know the existence of my site? [Bus...

...questo progetto e se ti ritieni interessato. Io ho un progetto tutto mio, in cui il contenuto principale è il download di applicazioni gratuite; il mio progetto, però, offre un menù più vasto di contenuti e sezioni per più categorie mirate di utenza e di fascia di età, tutto per intrattenere ogni singolo utente il più possibile sul sito e accescere il pageview ed eliminare completamente il bounce rate. Il mio progetto prevede di offrire i contenuti principali che offrono i migliori siti più conosciuti e famosi online (citati all'inizio), ma offrire (e integrare) ultima tecnologia di velocità di accesso al portale, super semplicità di ricerca e individuazione del download, accoglienza nel portale con ...

Minecraft Plugin Coding, Customizing Plugins, Fixing Plugins, Creating Custom Plugins

Sinba cerca per inserimento in un ambiente stimolante e dinamico uno sviluppatore con le seguenti competenze: -programmazione java EE (non solo SE) versione 7 -jersey 1 (non 2) -jpa -architetture web services RESTful -ant+ivy -git Viene richiesto un BackEnd developer per completare lo sviluppo della nostra piattaforma, al fianco dei nostri senior developers.

I would like a site made like of . I want users to have their own profiles which can be modified to their likening. I want users to be able to deposit and withdraw money easily using paypal. Users should be able to rate each others after there matches and their results should be available on their profile. Money should automatically be paid to the winner when the result is recorded. Ideally I would like this site make using a content management system like wordpress Key features: Money/Credit System Admin area User Profiles professional look easy to update responsive and mobile like.

...sarà raccontata non soltanto tramite immagini raffiguranti usi, costumi e tradizioni, bensì anche attraverso lo STILE italiano inconfondibile, che sembra “assaporare” come un profumo avvolgente, unico ed indimenticabile di bellezza. Novecento stampe fotografiche per raccontare l'Italia. I luoghi e le date delle prime due esposizioni fotografiche in contemporanea in Cina: Hanghzou International Day Inaugurazione della mostra fotografica “Italia, scent of beauty” di ExpoPhoto2015 all’interno degli “incontri internazionali di fotografia“ . Il padiglione ExpoPhoto2015 sarà aperto al pubblico dal 29 ottobre al 6 novembre. (Hangzhou è la capitale della provincia del Zhejiang) China Lishui Photography ...

We need an expert in Conversion Rate Optimization, to optimize our Landing Pages Content by replacing all the text with new call to actions. Italian Experts or Freelancers with Italian Language Knowledge are preferred because the target audience is Italian. Stiamo cercando un esperto per ottimizzare il tasso di conversione delle nostre Landing Pages. Dobbiamo sostituire tutti i contenuti delle nostre Landing Pages attuali con contenuti ottimizzati di più per CRO.

...aggiungere amici Non si caricano video e giochi (errore da console: XMLHttpRequest cannot load No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin '' is therefore not allowed access. Inoltre lo script richiede le seguenti estensioni: * x264 Library for Mencoder () * GPAC MP4Box () * neroAacEnc () * Additional codecs required for some rare video formats ( q=node/2) L'hosting service mi riferisce che non devono essere installate lato server. Avrei necessità di sistemare tutti questi errori, verificare che il sito sia operativo perfettamente

Abbiamo una nuova idea originale da sviluppare ricerchiamo solo ottimi web developers che parlino inglese ed italiano. Vogliamo realizzare un sito "web cam - video streaming" per adulti a pagamento Competenze richieste: HTML - MySQL - PHP - Web Hosting - Progettazione Siti Web Fast Video Streaming Management Server Backpanel Sistemi di pagamento PHP Si prega proporsi solo se in condizioni di assoluta capacità e possibilità di realizzazione dimostrata da realizzazioni già eseguite anche di soggetto diverso, dichiarandolo espressamente nella proposta. Per un esempio del sito che vogliamo costruire vedere , con l’avvertenza che si tratta di un sito per adulti. Naturalmente il sito dovrà essere realizzato in responsive web design...

...pubblichiamo un pronostico. Per info ulteriori contattateci pure, per regolamento non possiamo scrivere qui i nostri recapiti. Attendiamo offerte, grazie e buon lavoro. Translate: Hello, We are looking for a programmer or developer to create a simple app. Our need is to publish in that, 3-4 times a day, the odds football: we don't need any program fees, no ranking, we only need to post, as text, every day some predictions. We want two other things: the insertion of banners and advertising to monetize through the app and push notification service that alerts you every time we publish a prediction. For more info contact us as well, we can't write here for regulation our contact details. We wait for offers, thanks and good job. ...

Implementing html5 (bootstrap) template on magento in one day!

...applications. Our first app would be similar to the clash of clans, since this type of project is very popular. I ask you if you could help developers. the budget .. the budget is little (the initial one) but thought we give in the '80% of every purchase made through appstore app or google wallet by users who buy the facilities in the game. The game should look like as a dynamic clash of clans with multiplayers integrated. If the project you like, join Greetings. ITALIANO: Salve a tutti, rappresento la soeasyproject, nuova società che offre vari servizi tra cui Hosting, Dedicati, VPS ( ) volevamo anche creare So Easy Mobile, cioè una parte di azienda che si occupa di creare applicazioni e pubblicare applicazioni. La nostra prima app...

...deals with creating applications and publish applications. Our first app would be similar to the clash of clans, since this type of project is very popular. I ask you if you could help developers. the budget .. the budget is little (the initial one) but thought we give in the '80% of every purchase made through appstore app or google wallet by users who buy the facilities in the game. If the project you like, join Greetings. ITALIANO: Salve a tutti, rappresento la soeasyproject, nuova società che offre vari servizi tra cui Hosting, Dedicati, VPS ( ) volevamo anche creare So Easy Mobile, cioè una parte di azienda che si occupa di creare applicazioni e pubblicare applicazioni. La nostra prima app voleva essere simile a clash of cla...

I need to program that generates endless emails Yahoo, Gmail, Hotmail, POP3 and password abilited. I publish for work, many ads a day and I need to always change the email. This email should get a confirmation link . Before I had a provider of email addresses, now he has problems and I need to be autonomous. I also need a good supplier of IP interfaces with the program The site is Sorry for my english, i'm Italian Open to Italian and English bids

Pacifica ads Intro Day $50 Pacifica ads New Website $50 Pacifica ads Somatic Studies $50 Pacifica Facebook Covers $100 Pacifica Youtube Cover Adapt $40 November Newsletter $130

...italian market we need to sales agents with solid telemarketing skills. We have a telemarketing-tool/dialer system and everything else needed to start up - all we need is agents. Check out our company on We are looking for a minimum working hours of 25, but more hours than that could easily be arranged. From Monday to Friday, 25 hours x 6 Euro = 150 Euro per week The hourly rate will change on the sales performance (up to 12 euro per hour). Please send us your cv with your skype id. In Italiano: Siamo alla ricerca di agenti telemarketing per una azienda Danese in continua evoluzione a livello internazionale che fornisce una innovativa soluzione WiFi principalmente ad hotel, ristoranti, pub e bar. Per sviluppare il mercato italiano abbiamo bisogno di ...

I need DAILY INSTAGRAM FOLLOWERS RATE 1$ per 1000. DO NOT BID IF YOU CAN NOT DO THIS BID!!!!!!!!!!!!!!!!!!!!!!

Cerco un programmatore per realizzare un sito web per l'amministrazione di condomini. Nell'interfaccia di back-end il mio cliente dovrà avere delle maschere di input dati come da img allegata. Nel front end, ogni utente potrà accedere ad un aerea riservata dedicata, nella quale potrà vedere tutti i documenti condominiali e le rate delle spese condominiali, e potrà procedere al pagamento delle rate mediante carta d credito (e/o paypal). La registrazione degli utenti (nome - cognome - codice identificativo - codice fiscale) dovrà essere fatta dal backend, sia in maniera manuale si in maniera automatica importando un file csv (e excel) connettente la lista utenti.

La Ares S.R.L, attiva nella programmazione e svilippo software, è una società della New Tecnology con sede a Milano(MI) che si rivolge ai programmatori informatici, sviluppatori web/app e grafici, sia esperti che promettenti emergenti. Essa indice un concorso per ANDROID/JAVA 2EE/JAVA 2SE DEVELOPERS con una ferrata conoscenza ne: - linguaggio JAVA base e avanzato; - sviluppo applicazioni ANDROID; - linguaggio XML; - SQL; - programmazione Android SDK; - pattern di programmazione mobile; - tecniche di ottimizzazione e dei principi di usabilità. Il concorso consiste in 4 realizzazioni, ognuna facente parte di un’applicazione android ideale. Vi sarà dunque da sviluppare: - un’interfaccia LOG-IN ideale; - una HOME ideale; - u...

Ciao a tutti! Avrei un problema con OpenCart e non ho tempo/voglia di starci dietro. Dovrei realizzare delle modifiche, nulla di complicato ma dato che non conosco bene la piattaforma c...dell'avviso (ho giá provato a ridurlo a 1000millisecondi ma per qualche strana ragione non cambia nulla..) 2. Impostare l'inserimento di Country e City manuale (ora devi scegliere l'opzione, il problema é che ho notato che mancano molte cittá, come per esempio non c'era nemmeno London, ho dovuto aggiungerlo manualmente ma non posso rischiare!) 3. in Flat Shipping rate ho bisogno che ci sia una lista di prezzi, tipo: Ibiza - FREE next day delivery Balearic Islands - FREE Spain & Canary Islands - 5€ UK & the rest of Europe - 10...

Hello! My company, , just launched our updated website and product. It is free to try, but we are looking for paid testers beyond that. I am looking for teams or individuals with some software experience to visit our site and sample our AI powered component UI generator. Please send me your proposal(s) Looking for this to be done as quickly as possible. More user feedback, the better.

Winner with real amazing design will get a nice bonus, co...tools such as Figma, Sketch, or Adobe XD would be a plus. - Availability for discussions regarding the project vision and implementation. - The design should be compatible with the rest of the website which is in the production phase. If you have a portfolio of previous work that showcases your experience with minimalist iOS app design, please include it in your bid. Your bid should also include an estimated timeline for completing the project and your proposed rate. I am willing to pay more for an amazing design but am seeing the prize lower here bevsusdr im not sure if something goof will show up contact me in a pm for the website link what's missing on the homepage now is a 50 second animated vide that w...

I have a mp3 sound file I would like play on page load and even though the phone is set to allow sound this is not working. <audio autoplay> <source src="" type="audio/mpeg"> </audio> Please only Android Developers Reply is a quick $10 Job

I'm in need of an in-depth market research report on the men's shirt market in India. The report should span the last 5 years and cover the market size, growth rate, and key players. Key Requirements: - Market Size: A detailed analysis of the size of the men's shirt market in India over the past 5 years. - Growth Rate (CAGR): An examination of the Compound Annual Growth Rate (CAGR) of the market to help predict future trends. - Key Players: An overview of the major companies and brands within the market segment. -Gap and Opportunities Focus: - The research should encompass the entirety of India, providing a comprehensive view of the market at a national level. Skills and Experience: - Prior experience in market research, particularly in the fashion ...

I'm in need of a talented graphic designer to create professional and clean style thumbnails for multiple client podcasts to join our team. IMPORTANT: ONLY enter the contest if you're interested in ongoing work (3-7 thumbnails per week) that you can turn around in 24 hours on weekdays. You would be assigned clients and produce their thumbnails weekly at a rate of $15 per thumbnail. Contest Details: - Pretend you're looking to win this client over with your designs. You must create something that would make them want to say, "I want YOU to create my thumbnails from now on." -----> Research their channel, and create a thumbnail for this episode: - Create the copy and design for your thumbnail based on what

I have a public Shopify App and we are starting to see good usage and have extensive plans to improve existing functionality and add new features. We have been working with a Shopify consultant for past few years but becaouse of constant ongoing issues we had with him, we are now thinking that he won't be a reliable consultant to us while growing. Our app is growing so we are looking for a serios person, with extensive experience building complex public apps. I am looking for a new consultant ideally who we can work together for upcoming years. We do have an internal development team so most of the times you won't be expected to do a lot of coding. We are doing all back-end coding and front-end javascripts, but for features which do require Shopify know-how and L...

...list in NYSE exchange here: - Total share number are: 3381 (Nasdaq) + 5606 (NYSE) = 8987 2. Point to note - BRAMMA strategy conditions are pasted in the appendix A 3. Conditions to meet my objective (can be 2 ways as followed; if the stock meet one of the following please include it in the list - Condition A: Win rate is equal or more than 70%; total number of trades are or more than 6 - Condition B: Win rate is equal or less than 30%; total number of trades are or more than 6 If the stock meet one of A or B, please include it in the list. Also in the list, please input the Winrate of each one and total number of trades of that stock individually as well. 4. After you gain all the list that meet either A or B condition, please input the name in the excel

? Hey Dear, Hope you are doing well. Can you help me with Japanese interception and transcription? We just started a new project with 500 val...For Japanese audio transcription projects, the specific requirements are as follows: Language: Japanese Project type: transcription, material taken from short video app, audio content close to daily life Personnel requirements: must be based overseas, and must be Japanese native-level. Educational background is at least high school. Original audio length: 6-8s Effectiveness rate: 70% Project duration: Start at the end of April & early May and last for about 3 months Delivery Platform: Customer Platform Total amount of data: 500 valid hours shared by all of people until finished Accuracy requirement: 95% Thank you and have a nice...

Bonjour [Nom du Graphiste], Je vous contacte pour créer une affiche pour la fête des mères pour notre restaurant, Tajinier. Voici les détails de ce que nous souhaitons : Logo : Veuillez inclure notre logo dans un endroit visible de l'affiche. Image principale : Utilisez une photo d'une famille joyeuse célébrant ensemble, entourée d'une table. L'image doit évoquer une ambiance chaleureuse et festive. Texte : Titre principal : "Venez célébrer en famille la fête des mères au Tajinier" Sous-titre : "Réservez votre table dès maintenant !" Ajouter l'adresse et le numéro de téléphone de chaque restaurant en bas de l'affiche. D...

...both Netezza and Oracle platforms, as well as leadership capabilities to guide a team of developers. Responsibilities  Design and implement efficient database solutions for our organization, leveraging Netezza and Oracle technologies.  Lead a team of developers in the implementation and maintenance of database systems.  Collaborate with other stakeholders to gather requirements and define database architecture to meet business needs.  Optimize database performance through indexing, query optimization, and other performance tuning techniques.  Develop and enforce data standards and best practices to ensure data integrity and security.  Provide technical guidance and mentorship to junior developers.  Troubleshoot database issues and provide timely resolution. ...

I'm looking for someone with advanced experience in Zoho CRM and programming skills in Deluge to help create a set of custom applications. These apps will be connected to AI tools like Chat GPT and Google Gemeni. I want to hire someone for the next 12 months as a general...specifically OpenAI and Google Gemeni. Ideal candidate should have: - Extensive experience programming in Deluge. - Proficiency in building custom applications for Zoho CRM. - Prior experience integrating CRM systems with AI tools. - A good understanding of workflow automation and custom reporting. To be considered, tell me what you have done so far in this space and let me know what your hourly rate would be. Your role would be pivotal in ensuring a seamless connection between Zoho CRM and these cutting...

We are an Ecommerce company dealing with variety products and we are looking for a Social Media Ads Manager to join our team. The tasks includes but not limited to: Creating the ads on different Social Media ...Platforms Create reports in Excel, and Google Sheets on a daily and monthly basis Turning off the ads which are not delivering the acceptable ROI Creating a new ad for the stopped campain Write text for the posts Edit Pictures and videos in Canva or Capcut The Ads Manager must be solely free for this project and not committed to any other task, job or study work hours: 6 days a week, 10 hours a day The agent must be fluent in both Arabic and English Must also have good communications and sales skills Can work on Excel Have sufficient experience in Social Media Ads and Digital...

...own Applications (use of the view 0,1 Points) View: All Applications from others (use of the view 0,2 Points) View: New Released Applications (use of the view 0,1 Points) View: Sucess Path (like in Gaming) (no Points) e.g. Build more than 3 applications, Build more den 5 applications, etc. Release 3 Applications, Release more then 5 applications, etc...Tune 3 other applications etc., rate 3 applications , rate more then 5 applications, use 3 applications, use more the 5 applications, etc.... View: High Score: (no Points) Show where you stay in the Highscore and compare with others, each use case in the system gives scoring points, show different high scores for selection of Use cases, Ideal skills for this job would include: - Web design and UI/UX expertise - Good un...

More details: Which version of Excel are you using? Excel 2016 What type of data processing do you need? Data sorting, Data filtering What specific criteria will you use for sorting the data? Numerical order It is required to set up a script that will process an Excel file every day, filter the file according to an algorithm and leave the necessary data in the file.

I'm in need of an expert proficient in Google Analytics Conversion Events Understanding. Specifically, I require an in-depth Conversion Rate Optimization (CRO) audit for my Ecommerce site. BRIEF: 2x Small Ecommerce School Exam Sites – GA4 UA CRO Review CRITERIA: 1. Provide visual evidence for both UI & UX issues and specific tangible recommendation to resolve the following issues that only impact the buyer journey. Data Source (only): Google Analytics (Universal) + GA4 2. Provide visual evidence to support the suspected internal claim of the existing navigation and filtering is not adequate, if possible show the negative impact on the buyer funnel: Data Source (only): Google Analytics (Universal) + GA4 3. GA4 / UA Conversion Behaviour Data - Analyse and provide...

I'm in need of an experienced Java Script developer that can resolve a peculiar issue with my implementation. Here are the specifics: - All of the data I'm showcasing are ALL DAY events. - The events are not appearing in the Week and Day views, however, they do display as expected in the Month and List views. - I am using a version of that's not the latest. I'm looking for a professional who can: - Investigate the issue and implement a fix to ensure the ALL DAY events are correctly displayed across all views. - Offer advice on whether updating to the latest version of would help address the problem. The ideal candidate should have: - Profound experience in Java Script development. - A deep understanding of functionalities and

Hello. Marlac is a company based in US and Peru. We are looking to incorporate more team members. If you know how to work with Articulate Rise, Articulate Storyline, Adobe Captivate, or also Adobe Premiere, Adobe After Effects, please contact us. We work with a rate of US$5.00 per hour. Lately we are getting more projects every week. Our actual team members are located most in SouthAmerica but also in Europe, but we are willing to increase our team even in Asia and Africa. Work is directly with us, not intermediaries.

I need a skilled developer to create a graph logic application in either Core PHP, JavaScript, or JQuery. The application will focus on visualizing user engagement data, specifically the bounce rate. Key Requirements: - Develop a graph logic application that utilizes Core PHP, JavaScript, or JQuery. - The system should effectively visualize user engagement data. - The application should specifically focus on visualizing the bounce rate metric. Ideal Skills: - Proficiency in Core PHP, JavaScript, or JQuery. - Experience in developing graph logic applications. - Understanding of user engagement metrics.

I'm in need of an expert in e-commerce web development, specifically tailored for a fragrance business. This site aims to cater to both men and women, ensuring a diverse and inclusive user base. Necessary features for this platform should include: - A robust user review system: Empowering customers with the ability to provide feedback and rate the fragrances they purchase. Developers with experience in creating similar systems will be prioritized. - An intuitive shopping cart: Making sure that the purchasing experience is smooth and easy, crucial for customer retention. Prior experience in developing frictionless e-commerce shopping experiences is a must. - A comprehensive product search function: Allowing users to swiftly find their desired fragrance from a large and d...

Project Overview: We are in need of a skilled backend developer to implement the necessary functions for our financial services website. The...notifications. Deliverables: Backend functions implemented for each section. APIs developed for data retrieval and manipulation. Documentation outlining the functionality and usage of backend APIs. Budget: To be discussed based on project scope. Timeline: Fastest to complete. Preferred Communication Channel: Freelancer platform messaging system. Additional Notes: Collaborate closely with frontend developers to ensure seamless integration. Prioritize security and data integrity in backend implementation. Skills Required: Node.js RESTful API Development Database Management (e.g., MongoDB, MySQL) Authentication and Authorization Systems