Backend Development Jobs

Backend code is the part of a website or application that isn’t visible to the user. The code is a behind-the-scenes part of development, requiring a high level of competency regarding coding and the server that is being used. A backend developer works on the implementation and configuration of systems, and thus provides the building blogs for a website or program.

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    34 trabajados encontrados, precios en USD

    Se tiene un mapa con información de cobertura de red realizado en my maps de Google. Se requiere el desarrollo de un buscador interactivo sobre el mapa. Donde el usuario introduzca una dirección de domicilio y el mapa muestre en pantalla la ubicación de la dirección proporcionada y le muestre si se tiene cobertura en la dirección proporcionada. La información debe ser mostrada en un recuadro sobre la ubicación en el mapa mostrando lo siguiente: Tu domicilio ubicado en: [DOMICILIO DE USUARIO] cuenta con cobertura por medio de: [TIPO DE SERVICIO OFRECIDO EN LA ZONA] ¡Contrata ahora! (Botón que lleve a contratar) y lleve al apartado de información de contratación.

    $347 (Avg Bid)
    $347 Oferta promedio
    21 ofertas

    Buenos dias, REQUISITOS : CONOCIMIENTO DEL MERCADO INMOBILIARIO ESPANOL + DEL OPEN DATA ESPANA + SABE FRANCES Estoy buscando a un desarrollador full stack para el diseno de una plataforma web (SaaS) de agregacion de anuncions inmobilarios desde las paginas mas conocidas (idealista, fotocasa, mil anuncios, etc.) para la inversion (para alquiler o comprar, reformar, vender). Los anuncios deben aparecer segun varios criterios que vas a indicar, - y que puedes modificar: tamano de la ciudad, rentabilidad minima, precio/m², tipologia de vivienda, etc. El agregador permite recopilar los anuncions (quitando los duplicados), y te proporciona un analisis de rentabilidad de la inversion y de otros indicadores. Cuando identifiques un anuncio que te interesa, vas a poder tener una analisi...

    $2370 (Avg Bid)
    $2370 Oferta promedio
    24 ofertas

    Ideal si tiene experiencia en web/app development en el sector de educacion, medicina y/o recursos humanos (HR) Busco alguien con disponibilidad a largo plazo Esta persona tambien ayudara con tareas de diseno grafico, edicion de video, coordinando tareas con el resto del equipo de programadores y ocasionalmente con tareas secretariales Ideal si tiene un nivel de ingles intermedio. Minimo tener un nivel de ingles basico Flexible con los horarios de trabajo (7am-11pm en hora local de America Latina) 10-15 horas de trabajo por semana

    $1 - $6 / hr
    Sellado Acuerdo de Confidencialidad
    $1 - $6 / hr
    9 ofertas

    We have existing Vue project . It uses Nuxt bakcend and Nuxt need cognitor Login and SignIn system. If your provider issues refresh tokens, these will be used to refresh the token before every axios request. Implement refresh in nuxt auth for cognito

    $22 / hr (Avg Bid)
    $22 / hr Oferta promedio
    13 ofertas

    Need a Pro Laravel , Fullstack, front, backend , Script Dev. To fix , Custmize Vcard script. Making it more user frendly. Pay $75

    $58 (Avg Bid)
    $58 Oferta promedio
    31 ofertas

    Need a Laravel, frontend, backend , fullstack, Script Dev to costomize/fix a store on a script Pay $90...

    $71 (Avg Bid)
    $71 Oferta promedio
    27 ofertas

    Need a pro Laravel, Fullstack, front, backend script Dev to fix script translation problem Pay $40 ..

    $133 (Avg Bid)
    $133 Oferta promedio
    30 ofertas

    We are making website to sell various kind of shirts or t shirts in which some part of meta verse is included

    $856 (Avg Bid)
    $856 Oferta promedio
    41 ofertas

    مرحبا مطلوب مبرمج لارفل لمشروع متاجر متعدده ارجو ارفاق نماذج من اعمالك تحياتي

    $2107 (Avg Bid)
    $2107 Oferta promedio
    91 ofertas

    We have ongoing casual work for a freelance game developer who is proficient with Unity. Our business builds Unity games that are used at corporate events to bring brands and products to life, activate sponsorships or just entertain an audience. Typically games are played on large format commercial touchscreens. We have a library of existing games that often need to be re-skinned and re-branded (e.g. changing colour schemes, fonts, logos etc), but also build new concepts for customers. Depending on the level of proficiency, there will be opportunities to do both. This is casual work, as our requirements change from month to month. Would probably suit a relatively junior Unity developer (you'll receive support) - perhaps just left Uni or in a final year. Or someone more ...

    $26 / hr (Avg Bid)
    $26 / hr Oferta promedio
    19 ofertas

    We are looking for experience backend developer who can fixes the bugs in admin and app. Project is built using typescript+moongoose Apply only if you have experience in travel industry software This is flight booking app (Currently domestic)

    $351 (Avg Bid)
    $351 Oferta promedio
    31 ofertas
    Simple Dating App (iOS) 6 días left
    VERIFICADO

    I need an expert developer and programmer to build simple iOS dating app. You need to be able to do both front-end UX/UI and all backend logic and admin panel. I also need help submitting final version to iOS App Store when complete to make sure my app gets accepted and has correct code which does not violate any rules. Dating App Concept: Users get set up with one new match every day. There is no swiping. There are no geo-location features. 1. Need Front-End UI/UX design (based on Figma) 2. Need Back-End Admin Panel 3. Need basic features logic and matchmaking algorithm (I already have formula) Front End: 1. HOME: Match of the Day Profile Screen 2. Chat Screen 3. Chat Menu 4. My Profile 5. Edit My Profile 6. Settings 7. Log-In 8. New Member Application Screens** 9. Membership Accepta...

    $781 (Avg Bid)
    $781 Oferta promedio
    108 ofertas

    I need to a app developer that is experienced in that can code the backend and frontend of app.

    $387 (Avg Bid)
    $387 Oferta promedio
    86 ofertas

    I have the application design ready The app has - to collect information from front end request, interact with discord and post automated announcements, raffles and post winners discord ids back to the front end - to collect information from front end request, interact with discord and post automated announcements, raffles etc; collect the winners discord ids and send to another discord server B- auto assign roles to winners who join server B Will share detailed requirements later.

    $345 (Avg Bid)
    $345 Oferta promedio
    13 ofertas

    Work with us full time 40h a week, collaborating with the team on video calls. Experience in: - Architecture - AWS Services - Lambda - Pipelines - Database design - Rest APIs - SLAs - Security

    $21 / hr (Avg Bid)
    $21 / hr Oferta promedio
    84 ofertas

    JOB REQUIREMENT * Require a minimum of 3 years of experience with Node.js * Require experience with LoopBack framework. Experience with LoopBack 4 is a plus. * Require relevant knowledge of database systems such as MySQL, and MongoDB. * Require experience with Unit Testing (Jest) and Extreme Programming methodologies such as Test-Driven Development, Refactoring, and Continuous Integration. * Require experience with Service Oriented Architecture * Require experience with web technologies such as REST API, security, performance, etc. * Require experience with CI/CD. * Require Git, GitHub, and Pull Request knowledge. * Experience with Agile Process and Scrum Methodologies.

    $13 / hr (Avg Bid)
    $13 / hr Oferta promedio
    82 ofertas

    We have existing Vue project . It uses Nuxt bakcend and Nuxt need cognitor Login and SignIn system. If your provider issues refresh tokens, these will be used to refresh the token before every axios request. Implement refresh in nuxt auth for cognito

    $20 / hr (Avg Bid)
    $20 / hr Oferta promedio
    24 ofertas

    Develop, together with the front-end developer, the back-end of a shopfront. Based on Angular with react components. Please read attached document. Freelance position is hybrid/remote. Freelancer will need to come to our offices at agreed times, so they have to be Gauteng based.

    $19 / hr (Avg Bid)
    Local
    $19 / hr Oferta promedio
    32 ofertas

    $50-$75 target Help me code and debug the correct search logic for a elearning website. The teacher uploads a 20 minute video, they clip a 3 minute portion from it and add title, description, price and add 5 level MICROCATEGORIES - based on the microcategories, learners can search clips on the website and find them fast and easy using microcategorization. Top left button on home page - Microcategories search - this is where the learners go to find hyper targeted microcategories. The liogic is for each tier they select, the topic becomes more and more precise and narrow. The search results return the selected microcategories. For each level selected, the children are populated in the search results also. Multiple categories can be selected in each level, resulting in the th th th th c...

    $146 (Avg Bid)
    $146 Oferta promedio
    21 ofertas

    I'm looking for an experienced Ruby on Rails Expert to help me update my project. My previous developer is no longer available, and I'm unable to run the project as it is. I need someone who can help me get the project running again and make updates according to my ideas. To prove your expertise in Ruby on Rails, please include a link to a sample project you've worked on in your proposal.

    $32 / hr (Avg Bid)
    $32 / hr Oferta promedio
    37 ofertas

    We have existing Vue project . It uses Nuxt bakcend and Nuxt need cognitor Login and SignIn system. If your provider issues refresh tokens, these will be used to refresh the token before every axios request. Implement refresh in nuxt auth for cognito

    $18 / hr (Avg Bid)
    $18 / hr Oferta promedio
    13 ofertas

    We have existing Vue project . It uses Nuxt bakcend and Nuxt need cognitor Login and SignIn system. If your provider issues refresh tokens, these will be used to refresh the token before every axios request. Implement refresh in nuxt auth for cognito

    $33 / hr (Avg Bid)
    $33 / hr Oferta promedio
    18 ofertas

    Migrate our WhatsApp accounts with BSP (360Dialog) to Whatsapp Business Cloud API successfully. We are facing problem that after successfully migrating to cloud API, we are not able to access the messages api due to lack of permissions. If you have done this before then only go ahead with this project.

    $28 (Avg Bid)
    $28 Oferta promedio
    4 ofertas

    Experienced backend deveoloper is required for the backend and person having minimum more than 5 year of experience is preferable Small changes are reuired in backend without altering the existing working of the app

    $111 (Avg Bid)
    $111 Oferta promedio
    17 ofertas
    Build a Virtual Trading Website 2 días left
    VERIFICADO

    Looking for experienced full-stack developers to build a virtual trading website. On this website, people can sign up and buy/sell shares, and experience real-life simulations of investing and trading without spending any money. Please read the attached document to know more. - Project will be for 4-6 months but if it works out, we will have several other projects in the pipeline - Extensive experience in backend development, integration, performance, and scaling - Must have developed large-scale applications - Prior experience in the FinTech industry would be preferred

    $21669 (Avg Bid)
    $21669 Oferta promedio
    25 ofertas

    We are seeking a highly skilled backend developer to join our team for a short-term project. The ideal candidate will have a strong background in developing and maintaining web applications using and Node.js. Responsibilities: Develop and maintain web applications using and other related technologies Write clean, modular, and maintainable code Collaborate with the team to identify and solve complex problems Implement and test new features and functionality Troubleshoot and debug issues as they arise Keep up-to-date with the latest developments in and related technologies Qualifications: Strong experience with and TypeScript Experience with Node.js and Strong understanding of web application development and architecture Experience with MongoDB or other NoSQL databases Experience wi...

    $6 / hr (Avg Bid)
    $6 / hr Oferta promedio
    20 ofertas
    uber community app -- 3 2 días left
    VERIFICADO

    we are making a app for a specific company where lets say 100 people work and out of which 30 people have cars,So the people who have cars will tell others that we are going from this way. While others who need ride can let them know and can divide the fare or the cost

    $225 (Avg Bid)
    $225 Oferta promedio
    16 ofertas

    This is my competitor and I want to make a website kind of thing this one. So this is a good example of what I'd like to do. I have taken screen shots of the 9 pages of back end for the users/ customers that would sign up for this lead generation service. Obviously I can't see the admin backend of the site but I will need that built also. Network cabling directory has one website but lots of different cities for example. I would like to do this a very different way. I have 144 domain names total. But each domain name matches a ranking keyword that already ranks on google for example but then we still have all the cities for example this method should be a much more efficient way of driving traffic. Here is a website that I have built myself with one of the domain nam...

    $757 (Avg Bid)
    Acuerdo de Confidencialidad
    $757 Oferta promedio
    28 ofertas
    THE MAZE CHALLENGE 1 día left
    VERIFICADO

    ------------------ There is an API where you can: - Generate mazes. - Start a game inside a previously generated maze. - Inside a game, move around the maze until you reach the end of the maze. (see for more info about the API) In this test you have to choose one of two options. - Make a console app where automatically (without user interaction): - creates a maze of 25x25 - starts a game - send movements to reach the end of the maze with some kind of clever algorithm. OR - Make a user interface where the user can: - generate a new maze, - start a game inside the maze - move around the maze using some kind of controls - Graph some kind of map conform you are advancing in the maze. There is no restriction about the tools and libraries in case you need one. Good lu...

    $9 / hr (Avg Bid)
    $9 / hr Oferta promedio
    8 ofertas
    Tutor System 15 horas left

    We want to build a website which will be having 3 login options for admin, tutors and students respectively. Admin will be having administrative options. Tutors and students will have to create an account by signing up and then they can login to the portal. Tutors will have to give details about their qualifications and skills and will have to upload relevant documents as proof/validation. Students will create their account by giving basic details such as name, number and email id etc. After creating account and logging in students will have a page where they can search for the teachers as per their requirement and here the students will give their preferred budget which will play the key role in showing the list of available tutors to them. Then students can explore the options and they c...

    $215 (Avg Bid)
    $215 Oferta promedio
    7 ofertas

    I'm looking for Company / Individual, able to Create Native Mobile App, Including the Backend. Must Obey below Steps: 1 . Create Functional Documents for Mobile Applications. 2 . Cloud SetUp & CI / CD. 3 . need to take all responsibility to Take live on the app store ( Android & iOS ) 4 . Need to Integrate Add Management Accounts & Analytics. 5 . Code must be pushed on Cloud every day. 6 . Must Rights User Stories. 7 . able to Work on Jira or Similar. 8 . QA Testing & need to Provide report . Will Provide All infra accounts access ( like Cloud Setup, Admob , Google analytics, Payment gateway integration ) I'll Provide the Design, 70 % Design work is done, and 30 % design need to be Modified as required.

    $4457 (Avg Bid)
    $4457 Oferta promedio
    86 ofertas

    I want to develop an interactive map of the real estate project and surrounding area with the option to view from a 360-degree angle and points on it of all the apartments type that can be clicked and get a 360-tour of the apartment. I would prefer to work with developers with experience in this field, and please show similar works. Video reference with similar project idea: unique idea seifjseofijfosiefj

    $4101 (Avg Bid)
    $4101 Oferta promedio
    31 ofertas
    Explicit Filtering Phase -- 2 Finalizado left
    VERIFICADO

    Explicit Filtering Phase project as discussed in chat for phrase detection and resultant redirect.

    $470 (Avg Bid)
    $470 Oferta promedio
    29 ofertas

    Hello! I need someone to build this site for me, ideally if you already have experience in this industry. As a reference I can offer already finished leaked source codes. (needs to be integrated with Bitcoin payment gateway, and I don't want to redirect users, I want it to be displayed everything on my site) (I will provide Bootstrap frontend)

    $223 (Avg Bid)
    $223 Oferta promedio
    11 ofertas

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