Hire the best JavaScript Developers in Queretaro, MX

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Clients rate JavaScript developers
Rating is 4.8 out of 5.
4.8/5
based on 339 client reviews
  • $50 hourly
    I am excited to offer you an 𝐢𝐦𝐩𝐫𝐞𝐬𝐬𝐢𝐯𝐞 set of skills as a leader, full 𝐦𝐮𝐥𝐭𝐢-𝐬𝐭𝐚𝐜𝐤 developer, and 𝐚𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭 (𝑟𝑒𝑎𝑑 𝑏𝑒𝑙𝑜𝑤), with a 𝒹𝑒𝒹𝒾𝒸𝒶𝓉𝑒𝒹 𝒶𝓃𝒹 𝓋𝑒𝓇𝓎 𝒽𝓊𝓂𝒶𝓃 service with over 𝟏𝟐 𝐲𝐞𝐚𝐫𝐬 of successful experience working with various companies and personal projects. I focus on coding standards at enterprise level, being passionate about excelling in every aspect of my work, with focus in go beyond expectations about human service quality, making it delightful and smooth to work with me. *𝐇𝐞𝐫𝐞’𝐬 𝐚 𝐬𝐮𝐦𝐦𝐚𝐫𝐲 𝐨𝐟 𝐦𝐲 𝐭𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐬𝐤𝐢𝐥𝐥 𝐬𝐞𝐭:* - *𝐁𝐚𝐜𝐤𝐞𝐧𝐝:* 𝙇𝙖𝙧𝙖𝙫𝙚𝙡, PHP, JavaScript, Python, Java and their frameworks (𝑆𝑝𝑟𝑖𝑛𝑔, 𝙉𝙚𝙨𝙩.𝙟𝙨, 𝐷𝑗𝑎𝑛𝑔𝑜 𝑎𝑠 𝑤𝑒𝑙𝑙 𝐨𝐭𝐡𝐞𝐫𝐬). - *𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝:* 𝙍𝙚𝙖𝙘𝙩.𝙟𝙨, Angular, Vue.js, 𝙉𝙚𝙭𝙩.𝙟𝙨, Svelte, Livewire. - *𝐒𝐭𝐲𝐥𝐢𝐧𝐠:* Bootstrap, TailwindCSS, SASS, SCSS. - *𝐖𝐞𝐛:* Vanilla JS, HTML, and CSS. - *𝐃𝐞𝐬𝐢𝐠𝐧:* Proficient in FIGMA. - *𝐂𝐫𝐲𝐩𝐭𝐨:* Experience with Solana, web3, and DeFi technologies, as well as financial and technical indicators. - *𝐄-𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞:* Extensive experience in building 𝙈𝙖𝙜𝙚𝙣𝙩𝙤 and 𝙎𝙝𝙤𝙥𝙞𝙛𝙮 e-commerce stores, developing custom modules and plugins, and creating dynamic storefronts using the PWA JS library. - *𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐃𝐞𝐬𝐢𝐠𝐧:* I typically employ Test Driven Development (TDD) and Domain Driven Design (DDD) when possible. I focus on scalable, maintainable, efficient, and robust coding practices using the latest technologies to deliver high-quality solutions. - *𝐀𝐥𝐠𝐨𝐫𝐢𝐭𝐡𝐦𝐢𝐜 𝐓𝐫𝐚𝐝𝐢𝐧𝐠:* I have developed complex indicators and expert advisors using MT4/5, Pinescript, and various Python and Java frameworks, implementing sophisticated algorithmic trading strategies. - *𝐂𝐲𝐛𝐞𝐫𝐬𝐞𝐜𝐮𝐫𝐢𝐭𝐲*: Highly advanced cybersecurity and ethical hacking. - *𝐃𝐨𝐦𝐚𝐢𝐧𝐬:* Crypto world, banking sector, retail stores, IoT, Web/Android and IOS apps. Additionally, I am adept at 𝐜𝐨𝐝𝐞 𝐟𝐢𝐱𝐢𝐧𝐠, 𝐝𝐚𝐭𝐚 𝐬𝐜𝐫𝐚𝐩𝐢𝐧𝐠, and developing 𝐦𝐚𝐭𝐡𝐞𝐦𝐚𝐭𝐢𝐜𝐚𝐥 𝐦𝐨𝐝𝐞𝐥𝐬, among other capabilities. With this broad experience, I can quickly adapt to any programming language with a low learning curve. I pride myself on being a 𝐜𝐥𝐞𝐯𝐞𝐫, 𝗵𝗮𝗿𝗱𝘄𝗼𝗿𝗸𝗶𝗻𝗴, and 𝗵𝘂𝗺𝗮𝗻-𝗰𝗲𝗻𝘁𝗿𝗶𝗰 individual that teams and clients want to work with. I consistently exceed expectations and possess a profound understanding of requirements and goals, making collaboration a pleasure. I often receive recognitions such as “𝗰𝗹𝗲𝘃𝗲𝗿,” “𝗵𝘂𝗺𝗮𝗻,” and “𝗳𝗮𝘀𝘁𝗲𝗿 𝗮𝗻𝗱 𝗯𝗲𝘁𝘁𝗲𝗿 𝘁𝗵𝗮𝗻 𝗲𝘅𝗽𝗲𝗰𝘁𝗲𝗱,” reflecting my commitment to excellence in both technical work and customer satisfaction. In many projects, I have acted in 𝐝𝐢𝐟𝐟𝐞𝐫𝐞𝐧𝐭 𝐫𝐨𝐥𝐞𝐬: IT manager, team manager, scrum master, customer support lead, Senior developer, and Architect—ensuring to cover all aspects of your project within the deadline with 𝐰𝐨𝐰-𝐥𝐢𝐤𝐞 𝐫𝐞𝐬𝐮𝐥𝐭𝐬. Additionally, I have extensive experience hiring technical professionals and conducting technical interviews. Using Rapid Application Development (RAD) tools and AI technology, as well as being proficient in several reporting and service tools, has allowed me to deliver quick outputs to showcase how your project will look with plenty of good service. It would be a pleasure to work with you and turn your dream project into a reality, with that 𝐬𝐰𝐞𝐞𝐭 𝐜𝐨𝐦𝐛𝐢𝐧𝐚𝐭𝐢𝐨𝐧 of 𝐩𝐫𝐨𝐟𝐞𝐬𝐬𝐢𝐨𝐧𝐚𝐥 and 𝐡𝐮𝐦𝐚𝐧 that you deserve. I look forward to the opportunity for a pleasant discussion about your project. 𝐒𝐢𝐧𝐜𝐞𝐫𝐞𝐥𝐲, 𝐉𝐞𝐬𝐮𝐬 TAGS: [𝗥𝗼𝗹𝗲𝘀]: Senior Developer, Senior Architect, IT Manager, Team Lead, Scrum Master, Customer Support Lead, Backend Developer, Frontend Developer, Multi-stack Developer, Full-stack Developer, E-Commerce Expert, Algorithmic Trader, Software Designer, Technical Recruiter. [𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀]: Java, PHP, Python, JavaScript, HTML, CSS, Vanilla JS, TypeScript. [𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸𝘀]: Spring, Laravel, Django, Next.js, React, Vue, Svelte, Livewire, Bootstrap, TailwindCSS, SASS, SCSS. [𝗗𝗲𝘀𝗶𝗴𝗻]: Figma, UI Design, UX Design. [𝗖𝗿𝘆𝗽𝘁𝗼]: Crypto, Blockchain, Solana, Web3, DeFi, Financial Indicators. [𝗘-𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲]: 𝙈𝙖𝙜𝙚𝙣𝙩𝙤, 𝙎𝙝𝙤𝙥𝙞𝙛𝙮, CS Cart Custom Modules, PWA JS Library. [𝗣𝗿𝗮𝗰𝘁𝗶𝗰𝗲𝘀]: TDD, DDD, RAD. [𝗧𝗿𝗮𝗱𝗶𝗻𝗴]: Algorithmic Trading, MT4/5, Pinescript. [𝗗𝗼𝗺𝗮𝗶𝗻𝘀]: Crypto Industry, Banking, Retail, IoT, Web, Android, IOS. [𝗦𝗸𝗶𝗹𝗹𝘀]: Data Scraping, Code Fixing, Mathematical Models, AI Technology, Reporting Tools, Service Tools. [𝗔𝘁𝘁𝗿𝗶𝗯𝘂𝘁𝗲𝘀]: Clever, Hardworking, Human-centric, Customer Satisfaction, Collaboration. [𝗥𝗲𝘀𝘂𝗹𝘁𝘀]: Scalable Solutions, Custom Plugins, High-quality Solutions, Dynamic Storefronts, WOW sensation.
    Featured Skill JavaScript
    Laravel
    Magento
    NestJS
    React
    MQL 5
    MQL 4
    PyQt
    Python
    Vue.js
    PHP
    Django
    Node.js
  • $30 hourly
    Imanol's areas of expertise are source code review and application penetration testing. He also has extensive experience with software engineering and developing secure code practices within his developer roles. EXPERIENCE Conducted a hybrid application assessment for a leading machine learning platform and detected cross-site scripting on the web application’s display that allowed JavaScript code to execute in the administration dashboard. This issue could be used by an attacker to escalate privileges and perform actions in the context of admin users. Designed a vulnerable box for practice for a web application that could read and scan license plates with an OCR scanner and look up data related to the vehicle. The box provided practice exploits for common vulnerabilities, such as SQL injection, password spraying and cracking, and Linux privileged escalation. Conducted source code review of over thirty WordPress sites of a national marketing company that had been compromised by an attacker. Discovered that the bespoke web application integration was vulnerable and served as an entry point to pivot into the sites. Detected common security issues, such as insufficient authorization controls and SQL injection , allowed attackers to redirect users to malicious sites leading to reputation damage and financial impact for the company. Worked with the company to remove backdoors and remediate vulnerabilities. During a software engineering project for a national recruitment platform for educational staff, discovered insecure secure code and high-risk vulnerabilities related to information disclosure in breach of the European data privacy laws, as well as design flaws in the job posting processes that allowed an attacker to become an admin user and compromise another organization. Remediated the vulnerabilities and implemented a culture of secure coding practices within the company.
    Featured Skill JavaScript
    WordPress Malware Removal
    Information Security
    Google Apps Script
    Django
    jQuery
    Google APIs
    Ionic Framework
    Penetration Testing
    Automation
    Testing
    Ethical Hacking
    HTML
    Python
    Tesseract OCR
  • $40 hourly
    Im a persistent and innovate person who loves to create, contribute or build solutions through technology, looking for new challenges and work with incredible coworkers, being part of a company with an awesome culture, sharing the same objectives and ideas. I have experience in many projects collaborate either in frontend or backend, in projects with other coworkers or me as the only engineer. The projects where I had been involved belong to different industries big and medium companies and startups, platforms with dashboards, handle different roles, authorization and authentication, consuming third API's and directly the back end from the app. Consuming google maps library, libraries for data visualization trough graphs, AWS services, implement queues as message broker, creation of lambdas, and refactor from monolithic to serverless architecture.
    Featured Skill JavaScript
    Tailwind CSS
    Front-End Development
    PHP
    Next.js
    ExpressJS
    RabbitMQ
    Angular
    AWS Lambda
    AWS CloudFront
    Node.js
    React
    Full-Stack Development
  • $80 hourly
    ING. SISTEMAS COMPUTACIONALES Tengo 3 años de experiencia en el campo de Desarrollo de sistemas. Me considero responsab le, honesto y carismático. Soy buen líder, se trabajar en equipo y bajo presión. Me interesa conocer más sobre el desarrollo web, algo de UX y otros lenguajes d e programación.
    Featured Skill JavaScript
    Google APIs
    Amazon S3
    Entity Framework
    ASP.NET
    Docker
    ERP Software
    API
    Azure App Service
    HTML
    CSS
    SQL
    Bootstrap
    React
    C#
  • $5 hourly
    I am a versatile professional with multidisciplinary skills that ensure outstanding results. With experience in graphic design, web development, video and image editing, and creative writing, I offer comprehensive and effective solutions. My ability to adapt quickly to new challenges, attention to detail, and passion for excellence make me the perfect choice for your project. My customer-focused approach, combined with clear communication and unwavering commitment to quality, guarantees timely delivery of exceptional results. Allow me to show you how I can help take your project to the next level.
    Featured Skill JavaScript
    YouTube Thumbnail
    Adobe Premiere Pro
    GPT-3
    Excel Macros
    Excel Formula
    Python
    CSS Framework
    Microsoft Visual Studio
    C#
    AI Consulting
    Artificial Intelligence
    Canvas
    HTML5
  • $60 hourly
    Hello! I'm Emilio Barney Calderón, founder of Sacbé::systems. I merge nearly eight years of full-stack web development and advanced Excel/VBA expertise with an 18-year background as an architectural firm CEO. This unique path allows me to craft robust digital solutions with a strategic, business-first approach. My journey from managing large-scale construction projects (for clients like Banorte and Televisa) and developing in-house IT platforms like 'Control Total de Obra' (Total Construction Control), to mastering web technologies and advanced data automation has given me a distinct perspective on solving complex challenges efficiently. Here's how I can best help you achieve your goals: Custom Web Application Development: I design and build tailored, user-centric web applications from concept to deployment. Whether you need sophisticated internal tools, client portals, or new online platforms, I primarily leverage Laravel (PHP) for powerful back-ends and Vue.js (JavaScript) for dynamic front-ends. Advanced Excel & VBA Solutions (Excel Power Solutions - EPS): I engineer sophisticated, custom Excel-based applications that automate processes, provide deep data insights (using Power Query, Power Pivot, DAX), and generate clear, actionable reports. I transform your spreadsheets into powerful yet user-friendly business tools, as demonstrated by my 'Assisto' and 'PowerTracker' product lines. Strategic Digital Project Delivery: My extensive CEO-level project management experience ensures your digital projects are not only technically excellent but also strategically aligned with your business objectives, delivered efficiently, on time, and within budget. I focus on clear communication and tangible results. My approach combines meticulous planning with creative problem-solving, aiming to deliver solutions that are technically sound, intuitive, and provide lasting value to your operations. Looking for a dedicated partner who blends deep technical skill with proven business leadership to bring your digital vision to life? You've just found him. Let's connect to discuss your project.
    Featured Skill JavaScript
    Excel Macros
    Excel Formula
    MySQL
    Tailwind CSS
    Vue.js
    Laravel
    Power Query
    Microsoft Excel PowerPivot
    Visual Basic for Applications
    Microsoft Excel
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