Projects rift valleymunkák

Szűrő

Legutóbbi kereséseim
Szűrés erre:
Költségvetés
eddig:
eddig:
eddig:
Típus
Készségek
Nyelvek
    Munka státusza
    2,000 projects rift valley munka, árazás ebben: EUR

    Adott 20-25 perces 4k - stereoscopic - 180fok - vr videók utómunkája, térhahtású hanggal rögzítve. A forgatott klipek leállások/átállások nélkül készülnek, vágást, fényelést egyéb utómunkát nem igényelnek. Természetesen a klipekbe el kell helyezni a brandig elemeket (embléma, vizjel) Video Kimenet - megjelenítő eszközökre optimalizálva: Oculus Rift, Htc Vive & OSVR Gear VR Android / iOS Figyelem! A forgatott anyagok explicit és felnőtt témájú jelenetket tartalmaznak. Két pilotot rendeltek meg tőlünk, sikeres teljesí...

    €13 / hr (Avg Bid)
    Kiemelt Sürgős
    €13 / hr licitátlag
    7 árajánlat

    I'm seeking a computer science engineer (CSE) with significant experience to assist mtech and phd students with their projects. This unique, challenging role would ideally suit someone who is not only adept in Java, Python, and C++ but also has a proven record in practical implementation. Key Tasks: • Assist students in diverse implementation tasks • Provide guidance on utilising Java, Python, and C++ Skills and Experience: • Proficiency in Java, Python, and C++ • Previous experience in Machine Learning, Data Management, and Software Engineering is essential • Excellent communication and presentation skills • Ability to work under strict timelines and deliver quality results A professional with experience in academic environments will be highly ...

    €241 (Avg Bid)
    €241 licitátlag
    6 árajánlat

    I am on the hunt...Responsibilities: • Conceptualize and create versatile designs for multiple projects. • Provide unique and innovative suggestions for overall designs. • Ensure designs are fully optimized for both mobile and desktop platforms. Ideal Skills and Qualifications: • Proven experience in logo, website and packaging design. • Can translate ideas into visually compelling graphics for a diverse audience. • Comfortable working with no specific branding guidelines and open to feedback. • Proficiency in design software and technologies such as InDesign, Illustrator or Photoshop. • A keen eye for aesthetics and details. This is a great opportunity to let your creativity shine and work across a diverse range of projects. Lo...

    €6 / hr (Avg Bid)
    €6 / hr licitátlag
    28 árajánlat

    I am seeking an experienced game developer for an Oculus Rift flight simulation game set in an airport environment. Experience in developing virtual reality games, particularly with flight simulations, is a necessity. Skills and expertise required include: - Proficiency in Oculus Rift SDK - Experience in creating flight simulation games - Previous work on airport-based environments preferred - Strong understanding of game physics The game should be captivating, realistic, and engaging, providing a surreal flying experience to users. The picked developer should be ready to exchange ideas, provide innovative input and demonstrate passion in VR game development.

    €647 (Avg Bid)
    €647 licitátlag
    46 árajánlat

    More details: Company name: Paduano Construction. Tagline: From ground breaking to grand opening your trusted partner. Or From Vision to Reality Your Construction Ally. Contact info: 2801 W Coast Hwy, Newport Beach, CA 92663 949-813-1858 What style do you prefer for your logo and business card? Vintage and classic Which colors would you like us to use for your logo and business cards? Red, white and blue.

    €19 (Avg Bid)
    Garantált
    €19
    70 pályamű

    More details: What specific type of project are you looking to assign to a freelancer? Data entry What type of data entry work do you need assistance with? Data transcription What is the origin of the data that needs to be transcribed? Typed documents

    €12 / hr (Avg Bid)
    €12 / hr licitátlag
    11 árajánlat

    Customised Graphics Social Media Posts

    €9 / hr (Avg Bid)
    €9 / hr licitátlag
    41 árajánlat

    I'm seeking a seasoned copywriter who can comfortably create engaging content across several categories such as website content, blog articles, product descriptions, email newsletters and ad copies. The chosen candidate would ideally: - Be experienced in writing high-quality and engaging copy. - Be able to comfortably work on and deliver 7-10 projects each month. - Have the capacity to create a copy with a minimum word count of 500-1000 words per project. Your proven skills in copywriting across multiple domains and ability to meet deadlines effectively would be highly valued in this role. Whether you're a freelancer just starting out or an experienced professional, if you think you fit the bill and are up for the challenge, I would love to hear from you.

    €253 (Avg Bid)
    €253 licitátlag
    50 árajánlat

    More details: I am looking to hire somebody with following skills: Flutter, windows software, Android, iOS, Desktop apps, mobile apps, node. We need help with several projects. We have existing team and need extra help with several projects. If you have mentioned skills please contact us.

    €170 (Avg Bid)
    €170 licitátlag
    71 árajánlat

    We are making a bidirectional EV charger. We need to obtain switching waves with 180° phase shifter as well as an inverted wave with same criteria. Both this wave should be obtained using Arduino.

    €25 (Avg Bid)
    €25 licitátlag
    9 árajánlat

    Job descriptions: We are seeking a dynamic individual to teach entrepreneurship classes for students attending preschool through Grade 9 at international schools around Klang Valley. Each session will run for 60 to 90 minutes, during which the teacher will travel between various schools in the Klang Valley area. Requirements: • Fluent in English. • Previous experience in teaching, particularly within an international school setting. • Proficiency in teaching strategies and pedagogies. • Strong classroom management skills. • A practical understanding of entrepreneurship is highly advantageous. • Willingness to participate in training and certification programs offered Please take note that this job requires you to be present in a physical setti...

    €14 / hr (Avg Bid)
    €14 / hr licitátlag
    7 árajánlat

    I require a talented designer/developer to create five lead-generating WordPress landing pages for my daycare review, lead generation business. The target audience is Canadian parents who are looking for daycare solutions for their infants and toddlers. ...Category (Best daycare by type, Best daycare by city) List pages created by filters (Daycare by type by city) Blog post Home page Sample Information from Daycare overview page can be taken from Design should be professional, helpful, simple and playful. Examples of strong design and listing: Additional, ongoing work may be provided to the winner. Thank you for your interest!

    €102 (Avg Bid)
    €102
    40 pályamű

    I have 2 unfinished Access/VBA projects. I need assistance to finish the projects. My estimation is 3 working days. Max budget : 100$ Please note that I m also a freelancer. Thanks for you bid

    €108 (Avg Bid)
    €108 licitátlag
    31 árajánlat

    We are seeking a skilled...problem-solving skills - Efficient performance optimization in large projects - Strong communication for collaborative development Mandatory; - React.js - GraphQL - - Team collaboration - Strong understanding of front-end development - You work 45 hours per week by sharing your screen during your shift - weekend available - You work on monthly basis incoms "no upfront" - You work on UTC time Please apply with your relevant experience and portfolio. (MIDDLE MAN OR AGENCY STAY AWAY) Your expertise will empower a community-connecting network that's rich in features and ready to scale. If you're eager to tackle this exciting challenge, I'd love to hear your strategy and see your portfolio showcasing similar projects. Let�...

    €2402 (Avg Bid)
    €2402 licitátlag
    71 árajánlat

    More details: What specific projects or tasks do you need assistance with? Development, UI design, Figma to UI conversion; API integration; Sign in using OTP based authentication; Logging; Payment gateway integration What platforms or devices should the project be compatible with? Web, iOS, Android How soon do you need your project completed? Within a month

    €343 (Avg Bid)
    €343 licitátlag
    16 árajánlat

    I am looking for professional grant writers experienced in securing government, corporate, and small business grants. Essential Skills & Experience: - Proven success in grant writing and securing funds - Strong familiarity with grants for environmental conservation projects and housing initiatives beneficial - Ability to work within a short timeframe, as this project is expected to last less than 6 months to a 1 year The focus of these grant proposals will be two-fold: 1. Advocacy for environmental conservation 2. Providing living spaces for young adults and starting families. If you have a solid understanding of these areas and can deliver within the mentioned timeline, I encourage you to bid.

    €403 (Avg Bid)
    €403 licitátlag
    34 árajánlat
    Utah Valley Construction Branding 2 nap left
    HITELESÍTETT

    I'm seeking a skilled graphic designer to design a logo and social media images for my construction company "Utah Valley Construction". Key requirements: - The logo and images should reflect trust and safety. - Preferred color scheme is blacks and grays. - The social media images should feature designs of houses, construction machinery, and construction teams. Ideal skills for this project include: - Proficiency in graphic design with a strong portfolio in brand design. - Experience in creating social media content. - An understanding of construction industry symbolism and aesthetics would be beneficial.

    €14 - €23 / hr
    Rejtett
    €14 - €23 / hr
    48 árajánlat
    Pdf designer for projects pitch 2 nap left
    HITELESÍTETT

    Hey there, i want to get a portfolio pdf designed so i can pitch my clients. Freelancers with work experience will be preferred

    €13 (Avg Bid)
    €13 licitátlag
    7 árajánlat

    I'm on the lookout for professionals who can bring me web and mobile application projects on a commission basis. The perfect candidate for this role will act as a business development manager, bridging the gap between potential clients and myself. Key Aspects of the Role: - Get web, mobile application and SEO projects. - Experience in diverse industries such as E-commerce, Healthcare, Education, and others would be advantageous as I am open to developing projects across any domain. A sound understanding of my company's capabilities (visit ) and expertise would be expected to help you pitch the projects appropriately. This is an exciting opportunity for those with a knack for business development in the tech field to succeed on a commission basis.

    €100 (Avg Bid)
    €100 licitátlag
    6 árajánlat

    ...project involving product photoshoots right at the grocery store. Professional experience is not needed These images will play a pivotal role in enhancing our food ordering app's visual representation of restaurant offerings. If you possess an eye for capturing appealing product images, and are ready for a dynamic experience, we're excited to connect with you! Location : Cardenas Markets 16721 Valley Blvd. Fontana CA 92335 Date- Thursday 3/28/24 at 10:30am. Pay: $2 per product captured Equipment: Digital Camera, Mobile phone Process: Following our established guidelines which would be supplied to you, you will capture product images using the provided lightbox and your iPhone, alongside a mobile app equipped with barcode scanning functionality. Requirements: A...

    €301 (Avg Bid)
    Helyi Titkos
    €301 licitátlag
    5 árajánlat

    ...to be better looking and engaging, i will provide full data of projects including images and description. I am looking for an experienced website developer who can create a portfolio website for me. The website will showcase my engineering projects. Since it's a portfolio website, the visual representations of each project, clear and elaborate details, are vital. I deal with a variety of engineering fields, - Civil engineering - Mechanical engineering - Electrical engineering Ideal skills for this job are: - Proficiency in web design and development - Experience in creating portfolio websites - Knowledge of engineering or experience in the field is preferred but not required - Ability to translate complex engineering projects to compelling digital display...

    €62 (Avg Bid)
    €62 licitátlag
    33 árajánlat

    More details:as per my work demand i need data information and to organize my data and need email collections and websites and also need some video tagging and application development Is this project for business or personal use? For starting a new enterprise What information should successful freelancers include in their application? Detailed project proposals How soon do you need your project completed? as per need on work demand

    €288 (Avg Bid)
    €288 licitátlag
    21 árajánlat

    ...can handle a variety of digital projects as the specifics are yet to be determined. This could range from website development, mobile app development, to logo design. Ideal skills and experience: - Proven expertise in website and mobile app development as well as logo design - Ability to adapt quickly depending on the project needs - Strong portfolio of previous work in these areas Please include the following in your application: - Details about your past work relevant to website development, mobile app development and logo design - Any specific experience that you feel would be relevant for a diverse range of digital projects - A comprehensive project proposal outlining how you typically approach such projects Though the outcome of the individual projects...

    €16 (Avg Bid)
    €16 licitátlag
    24 árajánlat
    Website projects Véget ért left

    Hi Webbook Studio, I noticed your profile and would like to offer you my project. We can discuss any details over chat.

    €23 / hr (Avg Bid)
    €23 / hr licitátlag
    1 árajánlat
    Projects with Nidhi Véget ért left

    Excited to work on more projects with you

    €65 (Avg Bid)
    €65 licitátlag
    1 árajánlat

    ...expert game developer with significant experience in VR gaming, specifically on the Oculus Rift platform. The game should ideally echo the styles of Prison Boss VR and Job Simulator. Key Responsibilities: * Develop a simulation VR game for the Oculus Rift platform. * Add features similar to games like Prison Boss VR and Job Simulator. Skills and Experience Required: * Proven track record in VR game development. * Proficiency in Unity game development. * Strong understanding of simulation gameplay mechanics. * Oculus Rift development experience is a necessity. * Any previous projects similar to Prison Boss VR and Job Simulator will be an advantage. Your portfolio showcasing past VR simulation projects will be the key determinant for this collaborat...

    €8870 (Avg Bid)
    €8870 licitátlag
    39 árajánlat

    I am seeking an experienced landscape designer for a small, under-construction residential project covering an area of 200-300 square meters. The intent is to transform this bare land into a b...looking for a designer who can bring my project to life with their creativity and expertise but must also be someone who can find out what plants are available in Mauritius. Must bear in mind that the area will also be the home of 5 dogs. So the person must be able to provide a detailed landscaping plan for the front and back yard and sides etc. The bare land behind the house ends on a cliff of a valley. i am looking for something that provides a sense of discovery to the backgarden without being too high maintenance and without limiting the feeling of the large space behind. this is very ...

    €178 (Avg Bid)
    €178 licitátlag
    32 árajánlat

    Hello I’d like to work with you on specific google and fb ads projects. Set up and running the ads for 1 month for 3 clients.

    €534 (Avg Bid)
    €534 licitátlag
    1 árajánlat

    I'm seeking a skilled Python developer who can assist me in building two distinctive projects - a test automation project and an API testing project - to be showcased on my resume and Github. Key Project Features: - Execution of tests on multiple browsers - Integration with CI/CD pipeline - Reporting and logging capabilities Python with the pytest framework will be used for both projects. This will be an excellent opportunity for individuals who have prior experience with pytest, selenium, and cypress. Proficiency in test automation and API testing is a must, as those are the critical components of the project. I look forward to hearing from potential candidates.

    €104 (Avg Bid)
    €104 licitátlag
    28 árajánlat
    Multiple SEO projects Véget ért left

    Hi Top Rank SEO Expert, I’d like to hire you for various SEO projects for multiple clients for 1 month of SEO.

    €547 (Avg Bid)
    €547 licitátlag
    1 árajánlat

    I am seeking a patient, experienced mentor to guide me into the intricate world of programming. As a complete beginner desiring to learn asp.net mvc, .PHP core, laravel, net, angular js, API, jquery, javascript, azure, DevOps, entity framework, migrations to the latest frameworks and all related trends, I need someone who can show me the ropes through live sessions, and provide recordings for later reference. The goal of these mentoring sessions is to get expert and get a job on expert level. I need to understand how these technologies come together to solve real-world problems and create amazing results. The ideal candidate for this role would have: - Proven expertise in the mentioned technologies - Excellent teaching skills and patience - Experience with project-based learning methods ...

    €146 (Avg Bid)
    €146 licitátlag
    8 árajánlat

    Hi Cigdem! I am happy to start a new thread for you for the next season of projects I have developing.

    €28 (Avg Bid)
    €28 licitátlag
    1 árajánlat

    I'm seeking a proficient IT specialist to assist me with various IT-related projects, with a strong emphasis on flexibility due to the lack of specifics addressed at this moment. - Adeptness in various IT fields, namely software development, network configuration, and database management, will certainly be advantageous. - While I'm unable to provide specific outcomes, the overarching goals for these IT projects will likely be to streamline processes, increase efficiency or improve security. - I'm open to working with both seasoned professionals and budding talents; your dedication and problem-solving abilities are what matters the most to me. Please include the following in your application: - Your areas of expertise or your preferred fields in IT - Past w...

    €30 (Avg Bid)
    €30 licitátlag
    7 árajánlat

    ...with animations and collision detection for Unity 3D. Our inspiration comes from the beloved game Stardew Valley, and we aim to replicate its charming aesthetic while expanding the scale to twice the size of the original. The game will be for Android mobile devices. Please refer to the attached screenshot for reference. Key Requirements: Level Design: The level design should mirror the quaint and rustic atmosphere of Stardew Valley while accommodating the larger scale. This involves creating diverse environments such as farmland, forests, rivers, and town areas with attention to detail and coherence. 2D Artwork: High-quality 2D artwork is essential to capture the essence of Stardew Valley. The artist must excel in creating visually appealing sprites for character...

    €1517 (Avg Bid)
    €1517 licitátlag
    57 árajánlat

    ... or other but make it VR compatible with inmerssive experience. 2.- Complex; Integrate AI and VR to make the project works on our own. Ideally, the video will provide an immersive experience to the viewer, focusing on realistic graphics to captivate the audience. This immersive, entertaining, and engaging content is going to primarily be hosted on PC-based VR systems such as Oculus Rift. Because of the nature of the project, the freelancer should have: - Experience in creating VR content -Artificial Intelligence - Proficiency in making realistic animations - Understanding of PC-based VR systems and their potential capabilities -IA API Configuration Lastly, since this is for an adult audience, the freelancer should be comfortable working with adult themes. All content produ...

    €1884 (Avg Bid)
    €1884 licitátlag
    39 árajánlat

    * We are seeking a skill...problem-solving skills - Efficient performance optimization in large projects - Strong communication for collaborative development Mandatory; - React.js - GraphQL - - Team collaboration - Strong understanding of front-end development - You work 45 hours per week by sharing your screen during your shift - weekend available - You work on monthly basis incoms "no upfront" - You work on UTC time Please apply with your relevant experience and portfolio. (MIDDLE MAN OR AGENCY STAY AWAY) Your expertise will empower a community-connecting network that's rich in features and ready to scale. If you're eager to tackle this exciting challenge, I'd love to hear your strategy and see your portfolio showcasing similar projects. Let�...

    €2473 (Avg Bid)
    €2473 licitátlag
    116 árajánlat

    I need a trained professional who can provide me with a digital rendering of the first floor and master bathroom for design planning pur...the builder, but I would appreciate designing input. I have made my first selections. Revisions are April 4th. The builder’s final submission deadline and project end date is April 15th. Attached are the documents I have to base plans rendering off of: builders website, line, drawing of floorplan, picture of sample materials. Ideal Skills and Experience: - Proficiency 2D or 3D rendering software - Interior design or architectural background - Experience in creating modern styled interior spaces - Understanding of different material applications in interior design

    €141 (Avg Bid)
    €141 licitátlag
    62 árajánlat

    I am in need of a proficient and experienced website developer to create a high-quality business website for me. you will be paid on completion for work when it is availab...functionalities Content Specification: I will be responsible for providing all necessary content for the website, relieving the developer of this task. Ideal Skills and Experience: - Proven experience in developing business websites - Sound knowledge and practice of UX/UI principles - Strong experience integrating user reviews and ratings functionality Freelancers with a portfolio of previous similar projects will be preferred. Respect for deadlines and attention to detail are critical for this project. Please only bid if you're comfortable with these requirements. Looking forward to doing excellent...

    €582 (Avg Bid)
    €582 licitátlag
    109 árajánlat

    ...Covering Estimators. The successful candidate will have extensive experience in the construction industry and be proficient in estimating materials, labor, and other costs associated with flooring projects, including resilient floors, vinyl, hardwood, VCT, LVT, LVP, floor leveling and preparation, concrete leveling and polishing, and tile work. The Virtual Assistant will be responsible for accurately estimating project costs, managing timelines, and ensuring client satisfaction. Responsibilities: Conducting quantity takeoffs and producing accurate and detailed cost estimates for flooring projects Analyzing project requirements and specifications to ensure that all materials, labor, and other costs are accounted for Coordinating with clients, project managers, and other s...

    €46 (Avg Bid)
    €46 licitátlag
    27 árajánlat

    I'm searching for an all-around superstar in web development, graphic design, and content writing. You will work on a series of projects intended to boost website traffic, improve user experience, and generate more leads to cater to our primary demographic – small business owners in the U.S. Ideal skills and experience: * Vast knowledge in web development * Proficiency in modern graphic design techniques * Excellent content writing and editorial skills * An understanding of digital marketing strategies * Prior experience working for or with small businesses in the USA. You should have a strong grasp of current trends in web design, graphic design, and content creation. Strong communication skills are a must, as well as the ability to work independently and meet deadlin...

    €22 / hr (Avg Bid)
    €22 / hr licitátlag
    15 árajánlat

    I'm seeking a seasoned VR Game developer for an exciting new action game for Oculus Rift and PlayStation VR. The game is a single-player experience. I expect the final product to be immersive, engaging and expertly crafted. Ideal skills and experiences: - Proven experience in VR game development - Prior work with Oculus Rift and PlayStation VR - Profound knowledge in Action genre games - Demonstrable ability to work independently - Strong problem solving and debugging skills Looking for a talented VR game developer to create an immersive and engaging VR game. Must have experience with Unity3D, VR development, and a portfolio of previous VR game projects. Knowledge of SteamVR and Oculus SDKs is a plus. Apply now to be part of an exciting new venture!

    €12 (Avg Bid)
    €12 licitátlag
    1 árajánlat

    Hi Raju, We have a few tasks for multiple projects and we will try to monitor per hour basis.

    €9 / hr (Avg Bid)
    €9 / hr licitátlag
    1 árajánlat

    I'm seeking a versatile videographer experienced in shooting a range of video types such as podcasts, content videos, and event videos. These projects will be extensive, with each piece estimated to last over 30 minutes. Ideal Experience and Skills: - Proficient in filming in varying environments, as the projects will cover both location and studio shoots. - Experienced in shooting long-duration video content, comfortable with timeframes exceeding 30 minutes. - Ability to capture compelling narratives, regardless of the video type. This is an excellent opportunity for a videographer who enjoys diverse assignments and has a knack for long-duration content creation.

    €256 (Avg Bid)
    Helyi
    €256 licitátlag
    8 árajánlat

    As an avid fan of sci-fi and the mystery of escape rooms, I'm seeking a seasoned VR game developer. The goal is to build an immersive, intermediate level VR escape room game specifically for Oculus Rift. Ideal skills and experience include: - Proven experience in VR game development, especially Oculus Rift - Understanding and passion for the sci-fi genre - Experience in creating engaging puzzle designs and coding multiplayer functions Requirements: - Develop a VR game tailored towards Oculus Rift - The game must be set in a sci-fi themed escape room - It should lean towards an intermediate level of difficulty - Should include multiplayer option, allowing friends to solve puzzles together If you have a knack for VR game development and a love for sci-fi, then ...

    €3145 (Avg Bid)
    €3145 licitátlag
    20 árajánlat

    I'm in need of a video editor who is proficient in editing different types of videos, including wedding ceremonies, corporate events, and social media clips. Key Criteria: - Experience in editing videos of various genres to a length of 5-10 minutes each. - Excellent skills in applying cinematic and documentary style editing techniques are crucial. All in all, your task will be to transform raw footage into compelling video productions that will captivate the assigned target audience. Previous experience in these areas of video editing and a high level of creativity will greatly increase your chances of securing this project. A keen eye for detail and a knack for storytelling are also a huge plus. Let us create stunning visuals together.

    €120 (Avg Bid)
    €120 licitátlag
    34 árajánlat

    I need a proficient Wordpress programmer for regular website projects. Responsibilities will include: - Developing 2 to 5 websites per month based on my own template or one purchased on TemplateMonster - Custom templates are created based on ready-made graphic designs in figma, without using auto layout. - Selecting and advising on plugins for custom functionality - Writing custom small plugins for woocommerce Ideal skills: - Proficiency in Wordpress. - Experience in e-commerce integration. - Ability to create custom themes. - Ability to optimize e-commerce websites and stores - Good knowledge of English min. B2

    €5 / hr (Avg Bid)
    €5 / hr licitátlag
    29 árajánlat

    Send me freelancer projects I'll pay $10 for each project plus 80% of the earnings from it. I do all the work you get $10 + 80%. Message for more details.

    €462 (Avg Bid)
    €462 licitátlag
    1 árajánlat

    Send me freelancer projects I'll pay $10 for each project plus 80% of the earnings from it. I do all the work you get $10 + 80%. Message for more details.

    €7 - €21
    €7 - €21
    0 árajánlat

    We're in need of a Dedicated Slovakian Interpreter who can accompany one of our representatives to business meetings throughout Slovakia in recycling facilities. No past experience in recycling is necessary, but it is crucial that you have excellent interpersonal skills and key account management experience. Key Responsibilities: - Attending business meetings across various locations in Slovakia - Providing clear interpretations between English and Slovakian -write followup letters -do basic internet research in the Slovakian recycling market. Ideal Skillset: - Fluency in both English and Slovakian - Excellent interpersonal skills - Key account management experience - Willingness to travel across Slovakia We are open to interpreters with diverse professional backgrounds, as the in...

    €6 - €12 / hr
    Helyi
    €6 - €12 / hr
    0 árajánlat