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Check out Elasticsearch developers with the skills you need for your next job.
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Rating is 4.7 out of 5.
4.7/5
based on 982 client reviews
  2. Development & IT Talent
  3. Back-End Developers
  4. (Current) Elasticsearch Developers
  • $60 hourly

    • 5.0/5
    • (67 jobs)
    A software engineer with over 10 years of experience in web application development. I have got rich experience in python (Django/Flask), php (core and laravel), Node.js (express, typescript), and Front end development (Javascript, React, Vue.js) In database technologies, I've got my hands dirty on both SQL and NoSQL databases such as MySql, PostgreSQL, and Mongodb. I have used caching technologies like Memcache and Redis. I also have deep knowledge and experience in Elastic Search. I've been working on scraping/crawling (mainly in Python), Web Services, and consuming third-party APIs. I've made numerous applications using Facebook and Twitter API. I also got experience in creating custom-made APIs. I have worked on cryptocurrencies such as Bitcoin and Ethereum, interacted with their blockchains as well as used third party APIs to build rich crypto applications. Apart from the technical skills, I give high value to code quality, communication, and meeting deadlines. Over three dozen satisfied clients are proof of this fact.
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    Facebook Development
    MongoDB
    PHP
    Python
    C
    Twitter/X API
    Node.js
  • $75 hourly

    • 4.8/5
    • (54 jobs)
    I am a seasoned software engineer with over 15 years of experience, driven by a passion for problem-solving and a knack for crafting scalable, maintainable, and readable code. My career has been marked by a consistent track record of designing effective and efficient solutions to complex problems. As a true full-stack developer, I have immersed myself in every aspect of web development, spanning numerous programming languages and frameworks. I thrive on engaging with both backend and frontend development, database design, and DevOps, ensuring a comprehensive approach to project execution. My expertise also extends to automated testing, where I focus on strategically testing critical features to prevent future issues without expending unnecessary resources on achieving 100% test coverage. I take pride in my attention to detail and my ability to create pixel-perfect implementations, combining a strong eye for design with robust technical skills. Whether it's building intuitive user interfaces or optimizing backend processes, I am committed to delivering high-quality solutions. If you're looking for a versatile and experienced developer to bring your ideas to life, let's have a chat about how I can contribute to your project.
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    Blockchain
    Solidity
    React Native
    Flutter
    API Development
    Laravel
    PHP
    Nuxt.js
    React
    Vue.js
    JavaScript
  • $35 hourly

    • 4.4/5
    • (20 jobs)
    I build data-driven web apps in Python, which includes data mining, processing, visualization & analysis.
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    Ableton Live
    Docker
    Vue.js
    Neural Network
    Scrapy
    TensorFlow
    Keras
    NumPy
    Python Scikit-Learn
    Machine Learning
    Model Optimization
    Data Scraping
    Data Mining
    pandas
  • $35 hourly

    • 4.7/5
    • (18 jobs)
    6+ years of experience in Web Development! Reliable, proactive, creative, excellent communication, project and time management skills, sharp mind with strong analytical skills. My skills and expertise provide the safest, 𝗺𝗼𝘀𝘁 𝗰𝗼𝘀𝘁-𝗲𝗳𝗳𝗲𝗰𝘁𝗶𝘃𝗲, high-quality solutions for your business. I guarantee a professional, detail-oriented approach to your projects. 🔥 𝗪𝗛𝗬 𝘆𝗼𝘂 𝘀𝗵𝗼𝘂𝗹𝗱 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗺𝗲? 1. Always in touch during collaboration in agreed time ranges, communication comfort guaranteed. You will feel comfortable even if you are far from technical terms. 2. 100% engagement in the project. Suggestions, and questions for providing the best possible solution. 3. Be sure that your idea will not be disclosed - NDA signing is a MUST. 4. Sharp mind and strong problem-solving skills - everything is possible. 5. Strict deadline adherence. 6. Clear process of work. 💻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗽𝗿𝗼𝗰𝗲𝘀𝘀 1. Getting knowledge about your needs, and goals. 2. Work scope estimation. 3. Splitting all work into sprints depending on priorities. 4. Development process. 5. Testing. 6. Release. 7. Maintenance. 🔵 𝗛𝗲𝗿𝗲 𝗮𝗿𝗲 𝘁𝗵𝗲 𝗮𝗿𝗲𝗮𝘀 𝗜 𝗰𝗮𝗻 𝗵𝗲𝗹𝗽 𝘆𝗼𝘂 𝘄𝗶𝘁𝗵: 1. ChatGPT, Open AI, NLP integrations I can help you integrate AI into your project, and train its models using data related to your domain to receive better responses from the AI. 2. Custom ERP, and CRM development. Complex business logic, a huge amount of background tasks, and big volumes of data (terabytes and more) this is what I can deal with. 3. High-Load projects Big amount of concurrent connections, terabytes of data, and background computing - this is my passion. 4. Real-time systems Web & audio chats, real-time charts/map updating? All that is achieved by using the most powerful tools and skills. 5. Custom private platforms I clearly understand that some platforms need a higher level of security. I can help with that. Using Cloudflare, following main security practices I can guarantee that your data will not be lost. 6. Projects from scratch Preparing all needed infrastructure - servers, database, permissions, accounts, repositories, CI/CD pipelines, etc... Transforming requirements to tasks and sprints. 7. API integrations Providing quality API integrations: payment (Stripe, PayPal, other systems), social (Google API - Calendar, YouTube, Maps, etc; Facebook API - ads, pages, etc), and other different kinds of APIs, depending on your needs. 8. Elasticsearch configuration As far as I am an Elasticsearch Certified Engineer (link to certificate below on profile) and have experience configuring big clusters - I can help you with the tightest Elasticsearch setup. 𝗦𝘁𝗮𝗰𝗸 𝗼𝗳 𝘁𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀: 🤖 AI tools: - OpenAI models (model tune, embeddings) - Midjourney AI - Leonardo AI 🎨 Frontend tools: ✔️ React.js (Next.js, Redux, SPA, SSR) ✔️ Material UI, Styled Components, Emotion, Chakra UI, Ant Design ✔️ CSS, TailwindCSS, Bootstrap ✔️ Typescript ⚙️ Backend tools: ✔️ Node.js (Nest.js, Express.js, Fastify, Koa) ✔️ PHP 7+ (Laravel) ✔️ Typescript, TypeORM, Prisma ✔️ Docker ✔️ RabbitMQ 🔬 Databases: ✔️ MySQL, PostgreSQL, Google Spanner, BigQuery ✔️ Elasticsearch, MongoDB, Redis, DynamoDB, AWS RDS Other tools: ✔️ Open AI, ChatGPT, NLP (models training) ✔️ DigitalOcean, Vercel, AWS (Lambda, EC2, ECS, EBS, S3), Netlify, other cloud providers ✔️ API integrations (Stripe, PayPal, Twillio, SendGrid, Google API, Facebook API, Telegram API, Mailgun, etc...) ✔️ GitLab, GitHub, BitBucket ✔️ Jira, Trello 🎯 My certifications: 🏆 Elasticsearch Certified Engineer 🏁 Thank you for reading to the end! Please feel free to write to me. I always respond quickly. In a nutshell, describe your problem or idea, and provide some useful resources, so that is how I can provide the best possible solution to you. We can also discuss that on the call - 𝗽𝗿𝗲𝘀𝘀 "𝗜𝗻𝘃𝗶𝘁𝗲" 𝗯𝘂𝘁𝘁𝗼𝗻 𝗼𝗻 𝗺𝘆 𝗽𝗿𝗼𝗳𝗶𝗹𝗲! Kind regards, Dmytro. Buzz words: Website developer, Node.js, Express.js, Nest.js, PHP, JavaScript, Amazon Web Services, API, Database Architecture, API Integration, CRM, Custom Node.js, Custom PHP, PostgreSQL, Web Programming, Web Application, Web Design, Laravel developer, PHP developer, Web developer, Web dev, PHP development, Website development, Node.js Developer, React.js dev, Nest.js Developer, Express.js Developer, Node.js Development, Elasticsearch Expert, Elasticsearch Certification, Elasticsearch Certified Engineer, Elasticsearch Cluster, Elasticsearch Management, API integrations, Google API, ERP development, CRM development, Open AI, ChatGPT, GPT, GPT-3, Chatbot, GPT-4, AI, ML, NLP.
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    Google APIs
    Database Design
    CI/CD
    Stripe
    MongoDB
    SQL
    Laravel
    NestJS
    Docker
    Node.js
    React
    Amazon Web Services
    PHP
    JavaScript
  • $30 hourly

    • 4.9/5
    • (5 jobs)
    Hi, my name is Quang I'm currently working as a backend developer with over 2+ years of experience developing fast, elegant RestfulAPI, clean coding, and writing test. For database, I've been working with relational database in designing schema, doing migration and using transaction as well. I also have experience in integrating backend system with other API such as Google, Telegram, Facebook. My tech stack inclues: - Go, C, Javascript, Python - Postgresql, Redis - Git, Docker, K8s, CI/CD tools such as GithubAction, TravisCI
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    Apache Kafka
    Software Architecture & Design
    Bash Programming
    Git
    Unit Testing
    C
    Docker
    Redis
    PostgreSQL
    Golang
  • $30 hourly

    • 4.7/5
    • (35 jobs)
    If you are looking for an engineer capable of turning your idea into a world-class solution and finding a long-term partner? I am here for you. Passionate about software, I have 10+ year exp. in conceptualising, developing, deploying and maintaining web & mobile applications in diverse technologies. So whether you need the smallest piece of code to automate your tasks or a comprehensive architecture overhaul for your complex app, I'm your go-to expert for your most IT related problems. Besides tech, my experience in customer interaction and team leadership equips me with a good understanding of both the client's perspective and specific challenges faced by tech teams. Currently, I'm deeply invested in the domains of Web, Mobile, and Cloud technologies. My everyday work involves working with an array of technologies and frameworks, including but not limited to Node, Vue, React, Flask, Python, extending cloud platforms such as AWS and GCP. Key Strengths: - Extremely fast turnaround time - Good with communication skills - Super fast learner - User centric approach - Creative thinking Key Skills: - FrontEnd: React, Vue JS, Angular, HTML5, CSS3, SASS, NPM, Gulp/Grunt/Yarn, Bootstrap, Font Icons, XML, SOAP, JSON, API Developments, Payment Integrations, API Developments, WebSockets, WebRTC, Video and audio Chat integrations, Faceted Search, JavaScript - BackEnd: Python, Nodejs, PHP, Flask, Django, Express, Laravel, Codeignitor, WordPress, API Integrations, Payment Integrations, API Developments, WebSocket, WebRTC, Video and audio Chat integrations, Faceted Search - Mobile: React Native, Flutter, REST API & Redux ecosystem, Firebase, Jest - Database: MySQL, Postgres, MsSQL, Oracle, Elastic Search, MongoDB - Deployments and automation: Agile SCRUM, Linux, Bash, Apache/NGINX - Testing: Unit Testing, Integration Testing, Load testing, API Testing, Manual Testing
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    Websockets
    Node.js
    React
    Google Cloud Platform
    Vue.js
    React Native
    SaaS
    Amazon Web Services
    Laravel
    WordPress Plugin
    DevOps
    WebRTC
    Machine Learning
    Python
  • $40 hourly

    • 5.0/5
    • (20 jobs)
    🌟"𝐈𝐟 𝐄𝐢𝐧𝐬𝐭𝐞𝐢𝐧 𝐰𝐚𝐬 𝐥𝐨𝐨𝐤𝐢𝐧𝐠 𝐟𝐨𝐫 𝐚 𝐟𝐮𝐥𝐥𝐬𝐭𝐚𝐜𝐤 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐭𝐨 𝐜𝐨𝐝𝐞 𝐭𝐡𝐞 𝐭𝐡𝐞𝐨𝐫𝐲 𝐨𝐟 𝐫𝐞𝐥𝐚𝐭𝐢𝐯𝐢𝐭𝐲 𝐨𝐧𝐥𝐢𝐧𝐞, 𝐈'𝐝 𝐛𝐞 𝐡𝐢𝐬 𝐭𝐨𝐩 𝐩𝐢𝐜𝐤"🌟 During the last 5 years, I delivered 50+ web applications, including 𝐒𝐚𝐚𝐬, 𝐦𝐚𝐫𝐤𝐞𝐭𝐩𝐥𝐚𝐜𝐞𝐬, 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬, 𝐚𝐧𝐝 𝐂𝐑𝐌/𝐄𝐑𝐏 𝐬𝐲𝐬𝐭𝐞𝐦𝐬. 𝐖𝐡𝐲 𝐦𝐞: 🚀50+ Delivered projects 🔝30+ Happy and satisfied clients from the USA, UK, Germany, and many others 🔥5+ Years of experience in web development 👨🏼‍💻3 years of business intelligence background, which allows me to solve your business needs in the most efficient way 👥I work with a team that allows me to cover all your needs in a timely manner. 𝐈 𝐜𝐚𝐧 𝐡𝐚𝐧𝐝𝐥𝐞: 🔸 CRM/ERP systems 🔸 SaaS 🔸 Platforms 🔸 Marketplaces 🔸 Services for business internal usage 🔸 API Development 𝐇𝐨𝐰 𝐈 𝐰𝐨𝐫𝐤: 1️⃣ Discovery and Business Analysis: My team dives deep into understanding your vision, goals, and target audience. 2️⃣ Product Design (UX and UI): We craft outstanding UI/UX, ensuring your digital product not only looks great but also provides outstanding usability and accessibility 3️⃣ Development (Frontend and Backend): With a solid design in place, our expert developers bring your digital product to life. 4️⃣ Optimization and QA: Our optimization and quality assurance processes ensure your digital product meets the highest standards of performance, security, and reliability. 5️⃣ Release, Monitoring, and Support: Once your digital product is ready to go live, our team assists in a smooth release and provides ongoing monitoring and support. 𝐌𝐲 𝐭𝐞𝐜𝐡-𝐬𝐭𝐚𝐜𝐤: ✔️Django ✔️FastAPI ✔️Flask ✔️Vue.js ✔️Docker ✔️Kubernetes ✔️Git ✔️Figma ✔️AIOHTTP ✔️Celery ✔️Redis ✔️Nginx ✔️HTML / CSS ✔️Go ✔️PostgreSQL / MySQL/ SQLite ✔️MongoDB ✔️Elasticsearch ✔️Firebase ✔️SQLAlchemy ❓𝐃𝐨 𝐲𝐨𝐮 𝐡𝐚𝐯𝐞 𝐚 𝐠𝐫𝐞𝐚𝐭 𝐢𝐝𝐞𝐚 𝐭𝐡𝐚𝐭 𝐧𝐞𝐞𝐝𝐬 𝐭𝐨 𝐛𝐞 𝐝𝐨𝐧𝐞 𝐰𝐢𝐭𝐡𝐨𝐮𝐭 𝐬𝐭𝐫𝐞𝐬𝐬? 👉𝐏𝐫𝐞𝐬𝐬 𝐭𝐡𝐞 "𝐈𝐧𝐯𝐢𝐭𝐞" 𝐛𝐮𝐭𝐭𝐨𝐧 𝐚𝐭 𝐭𝐡𝐞 𝐭𝐨𝐩 𝐨𝐟 𝐦𝐲 𝐩𝐫𝐨𝐟𝐢𝐥𝐞, 𝐚𝐧𝐝 𝐥𝐞𝐭'𝐬 𝐜𝐡𝐚𝐭!
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    API
    Vue.js
    Django
    Google APIs
    Web Application
    PostgreSQL
    Database
    Python
    Docker
    Software Development
    CSS
    HTML5
    Web Development
    JavaScript
  • $30 hourly

    • 5.0/5
    • (6 jobs)
    Top-Rated Java Developer | $20K+ Earned | 100% Job Success With over $20K earned on Upwork, I am a highly skilled Java Developer with experience across 4 international projects. My expertise has consistently earned me 5-star ratings, making me a top-rated freelancer on the platform. I specialize in Java and J2EE technologies, delivering robust and scalable solutions that exceed client expectations. Highlights: - 4 International Projects successfully completed, including complex real-time systems and enterprise applications. - $12,460 Project for Java Stream Analyzer using Esper CEP and Spring Boot. - 435+ Hours dedicated to delivering high-quality solutions for clients globally. Client Feedback: "Ashish is the best developer we’ve worked with so far!" "Exceptional Java expertise with a perfect blend of professionalism and dedication." Looking for a reliable and proficient Java Developer? Let’s connect and bring your project to life with top-tier development services. Availability: More than 30 hours/week | $30/hr
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    Jakarta Messaging
    JavaScript
    Java
    Spring Security
    RESTful API
    Java Persistence API
    Microservice
    Spring Boot
    jQuery
    Spring MVC
  • $42 hourly

    • 5.0/5
    • (28 jobs)
    Node | Angular | Angular.js | MEAN Stack | MERN Stack| Express | Hapi | Nest | Sails.js | jQuery | Javascript | Typescript | Microservices | Kubernetes | Firestore | Postgresql | Mongodb | AWS Lambda | DynamoDb | State Machine | Cloud Watch | S3 | Api Gateway | Google Cloud Platform | | Redis | Elastic Search | Solr | Test cases | Mocha | Chai | Jest | Twillio | Sequelize | REST Api | GIT | Jira | Docker | Docker-compose | ZOHO Crm | Check market I am a Node, Angular, MEAN, and PHP developer with a Master Of Science in information technology(MSc. IT) and have 7 years of software development experience. I am experienced in web development with PHP and Laravel, Zend Framework 2. I have a working experience with node.js, angular JS, Angular, MEAN stack application, Google Cloud Platform, Elastic Search, AWS lambda functions, and API Gateway. I have experience in leading and managing projects entirely. I have also developed a web application using Ajax, jQuery, Javascript, Html5 and have good skills in error solving. When working on a new project, I always like to clear out the requirements of my clients, so that I can satisfy their requirements. Thank you for your time and consideration. I look forward to working with you soon.
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    NestJS
    Next.js
    React
    AWS Lambda
    API Development
    RESTful API
    Node.js
    AngularJS
    Angular
    TypeScript
    jQuery
    MongoDB
    Microservice
  • $25 hourly

    • 5.0/5
    • (12 jobs)
    Have you ever suffered from low quality product, slow delivery, lack of communication? You should consider hiring an EXPERIENCED programmer, with HIGH communication skills and that can improve your product SUCCESS and usage rate! I professionally solve problems for 3 years, delivering reliable and maintainable React (ReactJS) and NodeJS code. 🌟 3+ years of experience; 🌟 Strong understanding of React ecosystem, JavaScript and TypeScript languages; 🌟 Experienced on NodeJS; 🌟 5+ years of JavaScript coding, through my own projects; 🌟 Five star communication skills; 🌟 Solved performance issues and custom code on GRC company; 🌟 Giving life to your ideas, from Figma, to prototype, to deploy. If that is the guy you are looking for, then you are looking for me! We would be an even best fit if you: - Struggle with low quality code; - Have a poor performance; - Have an incredible idea, but does not know how to develop it; - Want to improve your product success, be it your portfolio or your open source project; - Need to update your libraries and dependencies. Once it is all settled, we will discuss about your needs and formulate a solution right away. The techs I have worked on: 👉 React 👉 NodeJS 👉 Python 👉 Flask 👉 FastAPI 👉 Express 👉 TypeORM 👉 MongoDB 👉 Angular 👉 React Native 👉 Expo 👉 Tailwind 👉 Redux 👉 NextJS 👉 SWR 👉 MUI 👉 Material-UI 👉 Bootstrap
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    Data Mining
    Front-End Development
    Automation
    Python Script
    Selenium
    Data Scraping
    Python-Requests
    API
    Web Development
    React
    Python
    React Native
  • $40 hourly

    • 5.0/5
    • (4 jobs)
    Hi! Nice to meet you. I am Magento developer with numerous different projects behind. I can provide such services as extensions development, bug fixing, theme installation and development, different integrations and import/export things, migration from Magento 1 or another systems, server administration. Feel free to ping me. Available for chat and call.
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    Magento
    Magento 2
    WordPress
    Web Development
    jQuery
    HTML5
    PHP
    MySQL
    JavaScript
    HTML
  • $20 hourly

    • 5.0/5
    • (11 jobs)
    I have worked in the field of data scraping, data engineering and big data. I love to explore Elastic Stack and create visualizations from data. Thank you, I look forward to working with you
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    Kibana
    Logstash
    Java
    Python
  • $50 hourly

    • 5.0/5
    • (1 job)
    Hi! I'm I am a professional software developer with 12+ years of hands-on experience. Experience in: • Development of complex service side solutions; • Code refactoring and optimization; • Integration with 3rd party systems; • Requirements definition and analyzing architecture discussions and proposals; • Tasks decomposition and control of their implementation; Roles • Tech Lead • Service side developer • Features key developer • Service side mentor Responsibilities • Implementing of back-end services • Code review and refactoring • Mentoring newcomers • Supervising & team coordination • Working with customers to establish requirements and determine proper priorities/estimates. Strengths: • Work in unfamiliar areas; • Consistency to deliver product in time • Team leadership; • Responsible; • Focused on customer success and concerns; • Good communication and problem-solving skills; Technical experience: - Primary programming languages: Java (8, 11, 17) - Other programming languages: Python, Scala, Kotlin, Groovy, JavaScript - Microservices: Spring Boot, Spring WebFlux, Quarkus, Docker, Hibernate, Netflix Condustor, Spring Security, Kafka, RabbitMQ, REST/gRPC/HTTP2 - ETL: Apache Airflow, Azkaban, AWS Step Functions - DB: MySQL, PostgreSQL, Neo4j, GraphDB, Redis, Vertica, Solr - Cloud: AWS - Monitoring and metrics: Datadog, Prometheus, Grafana, FileBeat, Jaeger - Testing frameworks: Junit, Mockito, PowerMock, Gatling, Cucumber (BDD)
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    Spring Data
    Apache Maven
    PostgreSQL
    JUnit
    Hibernate
    Microservice
    Docker
    Neo4j
    API Development
    Amazon
    Spring Boot
    RESTful API
    Apache JMeter
    Spring Framework
    Java
  • $50 hourly

    • 5.0/5
    • (47 jobs)
    Highly analytical and technical-minded professional with over seven years of progressive experience in full stack web development and database management. Proven track record of excellence in managing full life cycle of web development processes by leveraging agile/scrum methodologies, which contained requirements engineering, design, coding, testing, debugging, and maintenance. Adept at collaborating with cross- functional teams and stakeholders during project execution to ensure attainment of collective goals and vision. Articulate and refined communicator; proficient in forging and nurturing professional relationships with all stakeholders by using interpersonal communication, time management, and problem-solving skills.
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    Angular 6
    CodeIgniter
    PHP
    JavaScript
    AngularJS
    Vue.js
    webpack
    Nuxt.js
  • $25 hourly

    • 5.0/5
    • (12 jobs)
    Welcome! I've 10+ years of experience in Web and App Development specifically PHP, Flutter, WordPress, CMS, CRM, Laravel, Codeigniter, and other frameworks. I have built a B2B System, Business Portal, and Automation System. I've completed my BSCS Degree. Do you want me to discuss more for your projects then available at your convenience? Cheers, Mehdi
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    Flutter
    CRM Software
    CodeIgniter
    Website Optimization
    PHP
    JavaScript
    jQuery
    WordPress
    WooCommerce
    MySQL
    Web Application
    API Integration
    Git
    Custom PHP
  • $60 hourly

    • 4.8/5
    • (69 jobs)
    I help established enterprises and startups to build, test, deploy and support Python/Django/Flask/React applications to keep their business running and growing. My team and I are developing an extensive ERP system based on the Django/GraphQL/React.js stack, which more than a thousand employees use. Another significant client of ours is the United Nations WFP organisation, which we have been providing services for more than five years (Python/Django/React stack, too). Technologies: - Python as a backend language - Javascript, Typescript, and Dart as frontend languages - Django/Flask as a backend framework - React.js, Vue.js as a frontend framework - Flutter as a mobile app framework - FastAPI, DjangoRestFramework, and GraphQL as API providers - PostgreSQL, MySQL, MongoDB, and Redis as a databases - Celery & RabbitMQ as a background task processor - Pandas, Numpy, PyTorch, Scikit-learn, Langchain, OpenAI as a data analysis and ML/AI stack - Docker, Amazon Web Services, Google Cloud Platform and Azure as a cloud stack (DevOps CI/CD) - PyTest, Django tests, Selenium, and Jest as testing frameworks - Scrapy, BeautifulSoup, Selenium and PhantomJS as scraping, crawling and automation tools Ready to proceed? Let's have a chat or a call.
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    pandas
    LangChain
    Google Cloud Platform
    Docker
    Selenium
    Scrapy
    FastAPI
    Flask
    Django
    Flutter
    React
    JavaScript
    Amazon Web Services
    GraphQL
    Python
  • $50 hourly

    • 5.0/5
    • (63 jobs)
    Strong points: - Explore, analyze and sanitize heterogeneous datasets - Quick prototype building that helps a fast concept validation - More than 15 years working as a software engineer - More than 5 years of success upwork carreer - 100% success rate - Problem solver - Easygoing and communicative - In-time delivering - Curious and decisive developer (as you can see in my stackoverflow and github profiles). Proud collaborator of several open github repos. - Elasticsearch stack advanced knowledge Background: I've been coding for more than 10 years as an employee but since 5 years ago I've encouraged myself to look for medium projects to apply my skills using lean methodology. My full-time job, a for 8 years old promising startup, has provided me experience developing software using Python/Django technologies. During this time I followed dessign patterns like MVC, OOP and I passed with honors several programation certifications. The most challenging tasks I have had to face is scaling stuff like dealing with distributed task execution, using celery-Rabbitmq, fetching data from several APIs (twitter, instagram, google, etc), and storing bunch of data, and quering it, usign ElasticSearch. Previously, I worked on J2EE applications for 7 years. Those jobs let me acquire enough experience and knowledge to lead a development team while I was coding bugs and new requeriments. Stackoverflow : user xecgr Github : github.com/xecgr
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    ETL Pipeline
    Data Entry
    API
    Kibana
    Bot Development
    Database
    Twitter/X API
    SQL
    Instagram API
    Django
    Data Scraping
    Python
  • $20 hourly

    • 4.8/5
    • (27 jobs)
    Welcome to my Upwork page! I'm a highly proficient RoR developer with over 5 years of commercial experience across a wide range of industries. I have a strong expertise in: - Ruby and Ruby on Rails - React.js and JavaScript - HTML5/CSS3, Bootstrap, Tailwind CSS, and Materialize - Hotwire and StimulusJS - Elasticsearch and Solr - Relational and NoSQL databases: MySQL, PostgreSQL, and MongoDB - I have extensive experience working with popular gems such as Devise, Active Admin, Kaminary, Carrierwave, Nokogiri, Redis, Resque, Pundit, and Whenever. Additionally, I'm skilled in testing frameworks including RSpec, Capybara, Factory_bot_rails, Selenium, and Database_cleaner. I excel in backend development, specializing in API development, adding new features, and creating innovative functionalities. However, I am also adept at frontend technologies such as HTML, HAML, Slim, CSS, JavaScript, jQuery, ReactJS, and VueJS. As a passionate and communicative developer, I am focused on delivering results. I am committed to effective collaboration, clear communication, and achieving project success. If you're in need of a dedicated developer who can bring your ideas to life, let's discuss your project!
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    CSS 3
    HTML5
    MongoDB
    JavaScript
    MySQL Programming
    Bootstrap
    GitHub
    PostgreSQL Programming
    Ruby on Rails
  • $25 hourly

    • 4.9/5
    • (6 jobs)
    Freelance Web Developer. Interested in Data, Artificial Intelligence and Cloud Technologies. Done projects on Machine Learning using supervised and unsupervised learning.
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    Web Scraping
    AWS Lambda
    Django
    Amazon S3
    API Integration
    Node.js
    React
    C#
    API Development
    Angular
    ASP.NET Web API
    Python
  • $42 hourly

    • 4.6/5
    • (22 jobs)
    📗 𝐂𝐫𝐚𝐟𝐭𝐢𝐧𝐠 𝐓𝐨𝐦𝐨𝐫𝐫𝐨𝐰’𝐬 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 📗 I am a software engineer graduate with a Master's in Computer Science. Worked on healthcare, e-commerce, fintech, SaaS platforms, dashboard projects, startups, real estate and landing pages. Ready to contribute to yours as well. My main tech stack: ⚒ React ⚒ Next.js ⚒ Bootsrap ⚒ TailwindCss ⚒ Html5/Css3 ⚒ Chakra UI ⚒ SCSS ⚒ Material UI ⚒ Redux ⚒ Redux Saga/Thunk ⚒ API 📗 Able to meet challenges and finding uncommon solutions which are working. ⚒ Node.js ⚒ Express.js ⚒ Nest.js ⚒ GraphQl ⚒ MongoDB ⚒ PostgreSQL ⚒ MySQL ⚒ SQL ⚒ Jest ⚒ Cypress ⚒AWS ⚒GCP 📗 Have strong interpersonal and analytical skills helps me a lot in finding common ground with clients and understanding their needs. Thank you 𝗞𝗘𝗬𝗪𝗢𝗥𝗗𝗦: Front-end Full-stack Web application Scalable High-performance React.js Material UI Chakra UI NextJS Nest.js Node.js Express.js MERN Material NgRX RxJS npm yarn Jenkins CircleCI Travis CI Jasmine Jest Docket CI CD CSS HTML API RESTful API is App development Websire Wordpress Tailwind SAAS Karma CLI Protractor Maintainable High-quality code UX/UI design Wireframes Performance optimization Browser Responsive design Mobile responsive Desktop Back-end integration APIs Documentation DRY SOLID Code reviews Build pipelines Webpack Babel NPM Emerging technologies JavaScript DOM manipulation JavaScript object model React hooks React context Component lifecycle Flux Redux EcmaScript TypeScript Isomorphic React RESTful APIs JWT Git Collaborative problem solving CI/CD Ownership Performance monitoring Error troubleshooting Figma Adobe XD Sketch Pixel-perfect UI OAuth 2.0 B2B Tech environments Web app Multi-tenant platforms Architecture MVP PWA Production Architecture blueprints Project management healthcare, e-commerce, fintech, SaaS platforms, dashboard projects, startups, real estate and landing pages Budget estimates Technical requests Maintenance Scrum Security standards Agile Product-focused Proactive approach Tech lead Detail-oriented Startup Enterprise-level software Business logic Performance issues Product analytics Web security KISS DRY AI Chatbot AI App Development Application Security Automation
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    MySQL
    MongoDB
    Website
    HTML5
    SaaS
    CSS
    Full-Stack Development
    Next.js
    Node.js
    React
    Front-End Development
    Web Development
    Web Application
    TypeScript
    JavaScript
  • $75 hourly

    • 5.0/5
    • (17 jobs)
    I am a software engineer who has a good knowledge and experience in Python/C++/Java, DevOps and the like. As a full stack developer, I will fully manage your project with a high quality of service!
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    API Development
    Performance Optimization
    PostgreSQL
    Linux System Administration
    Amazon Redshift
    Network Engineering
    Kubernetes
    JavaScript
    C++
    Java
    DevOps
    Linux
  • $35 hourly

    • 4.6/5
    • (12 jobs)
    Hello! I am a full-time developer with 7+ years of experience. I have worked with lots of modern web technologies, languages, frameworks, and so on. By working on a new project, I like to speak with the client to have a clear understanding of their needs and vision of the project. • My projects have a clean structure. I write code based on modern style guides: it is easy to maintain a codebase later. • HTML pages are responsive, valid, mobile-friendly, and cross-browser Below you can see my primary skills: Frontend skills: - Angular 2+, Vue.js, React.js, React Native - HTML5, CSS3 - SASS/SCSS, Pug, Bootstrap 4/5 - JavaScript, TypeScript, ES6+, jQuery - Fabric.js, Three.js, A-Frame - Web3.js Backend skills: - Laravel - Express.js - MongoDB, MySQL, PostgreSQL, SQLite - AWS, GCP Some technologies that make my workflow automatic and easy to work: - Git, Github - NPM - Webpack, Gulp - Adobe Photoshop, Figma, Adobe Illustrator, Sketch
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    Angular 4
    Twitter/X Bootstrap
    Web3
    jQuery
    HTML
    CSS
    Node.js
    Laravel
    Vue.js
    React
    Angular
    JavaScript
  • $60 hourly

    • 5.0/5
    • (21 jobs)
    I am a fullstack developer with more than 20 years of work experience. Most of my recent work experience is around web technologies using various Microsoft technologies including C#/ASP.NET Core/.NET MVC/WebForms. My roles varied from developer to team lead, technical lead, developer operations (Azure), CI/release manager (VSTS/Azure). From the business point of view, I've been involved in projects used for managing product catalogs, document management, airline ticketing, hospitality room/event reservations/management, construction project management and collecting company/customer information. less
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    C#
    .NET Core
    ASP.NET
    ASP.NET MVC
    ASP.NET Core
    Web Development
    .NET Framework
    AngularJS
    HTML
    JavaScript
    Angular
    HTML5
    SQL
  • $35 hourly

    • 4.9/5
    • (48 jobs)
    You have a question, an idea, or a problem to solve? Struggling to find a freelancer who will deliver a high-quality product within deadlines? You’re in the right spot 👏 As a full stack web3 developer I bring extensive expertise in developing and managing complex blockchain solutions for over 5 years. I have comprehensive experience in blockchain technologies, including very custom full-cycle development on private networks. Quick information: ✅40+ projects completed ✅100% Job Success Score ✅Top Rated Plus ✅5-stars rating on Clutch ✅”0x Protocol” partner✅2x web3 Hackathon winner ❔What can I do for you? ⤵️ 𝐂𝐫𝐲𝐩𝐭𝐨𝐜𝐮𝐫𝐫𝐞𝐧𝐜𝐲 & 𝐁𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: 🚀NFT websites and marketplaces​​​​​​​​​​​​​​​​ 🚀Cryptocurrency wallets and DeFi apps 🚀Block explorers 🚀Smart Contracts development & integration, including ERC-20, BEP-20, ERC-721(A), ERC-1155 🚀Decentralized Applications (dApps) 🚀…and many others! 👇What you can expect after our meeting: 🧾Detailed follow-up 🧾All relevant information about best approaches 🧾Free estimation of your project 🧾Step-by-Step Strategy for implementing your idea 💭What my clients say about me: ⭐️⭐️⭐️⭐️⭐️ "Alexander was amazing. Helped me through everything, listened to all my requests and even proposed some great ideas. He knows what he’s doing when it comes to his field of work in web3 and developing. Very friendly and responsive :). Would definitely hire Alex again!" ⭐️⭐️⭐️⭐️⭐️"Great work! Highly recommended for anyone looking to have an NFT collection created! Alex created my website, attached my smart contracts to it and integrated it with my NFT collection - incredible work! Very impressed and very happy with the results! Have already started talking about my next NFT idea that I want to build!" ✅ Click the "Invite" button on the top right of this page to start our cooperation.
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    Web Development
    Software Development
    API
    Database Development
    React
    Web Application
    Blockchain
    NFT
    Smart Contract
    Solidity
    Ethereum
    Blockchain Development
    Node.js
    C#
    JavaScript
  • $45 hourly

    • 4.3/5
    • (17 jobs)
    ✅ TOP RATED PLUS TALENT ✅ 100% CUSTOMER SATISFACTION ✅ 100% JOB SUCCESS ✅ 9000+ HOURS WORKED As a Full-stack software architect/engineer, I have high technical skills and more than 9 years of Full-stack web development experience. I love what I do and I strive to be a trustworthy developer who can assist you in building a great product and provide you with useful suggestions to improve your business. Below is the list of my skills: ★ Programming Languages: C#, JavaScript, TypeScript. ★ Client-side: AngularJS, ReactJS, SASS/LESS, Bootstrap, HTML5, CSS, jQuery. ★ Server-side: ASP.NET Core, MVC, Web API, REST & SOAP services, Entity Framework and LINQ, nUnit, Ninject etc. ★ Testing: NUnit, Cypress ★ Version Control: GitHub, Bitbucket, Azure DevOps, TFS, SVN ★ DBMS: MS SQL, MongoDB, MySQL, SQLite. ★ Cloud Services: AWS, Azure, GCP
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    Cypress
    Healthcare IT
    ERP Software
    Microsoft Azure
    ASP.NET Core
    TypeScript
    C#
    Azure DevOps
    ASP.NET
    .NET Framework
    Amazon Web Services
    JavaScript
    React
    ASP.NET MVC
    Angular
  • $15 hourly

    • 5.0/5
    • (7 jobs)
    I am a Upwork top-rated Software Engineer with over 6 years of professional experience, working with multiple startups and Enterprise clients. 🛠️ My Technical Skills: ✅ Python 3 ✅ Django, and Django REST Framework, Flask, FastAPI ✅ Amazon Web Services (AWS), AWS SAM, SQS, SNS, S3, Lambda, API Gateway, and Step Functions. ✅ Elasticsearch/AWS OpenSearch, Kibana ✅ CI/CD, Docker, AWS ECS ✅ Pandas, NumPy, Plotly, Dash ✅ Familiar with Modern Frontend Technologies : React JS, Javascript, HTML, CSS I look forward to collaborating with you. Thank you, Have a Wonderful Day.
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    Flask
    AWS Lambda
    Serverless Computing
    RESTful API
    Docker
    NGINX
    Django
    API
    Amazon DynamoDB
    Redis
    Python
  • $15 hourly

    • 5.0/5
    • (6 jobs)
    🔥8+ years of Experience . 🔥 100% Job Success Rate 🔥 I have worked in enterprise cloud solutions which had 5000+ tables, 500GB+ database, 1 MILLION active users. I know optimization techniques like static caching, in-memory caching, indexing, sharding, load balancing, reverse proxy. I do realize the importance of Design Patterns and Software Practices and I follow DRY, KISS in my code. 🔥 I am a highly motivated full stack developer and I have been working in the field of development for 10+ years, with creative and unique ideas to produce high quality productive results for my clients worldwide. 🔥 You can see that I have completed several long-term projects on Upwork and got 5-star reviews - all of my clients were highly satisfied with the job I've performed. I'm skilled in the following technologies: ✅ PHP (Symfony 2.*, 3.*, 4*, 5.*, 6.*) ✅ Laravel 5,6,7,8,9,10,11 ✅ Angular, Vue Js, React Js ✅ WordPress, Shopify ✅ HTML, CSS, jQuery, Bootstrap ✅ MySQL, PostgreSQL, MongoDB ✅ JavaScript and its frameworks including React.js, Vue.js, Angular2+, Typescript ✅ Amazon cloud services (Route 53, SES, EC, RDS, EC2, IAM, CLI, Elastic Beanstalk, Code Pipeline) ✅ Configure Apache and Nginx on Linux server ✅ GitHub, Bitbucket, GitLab ✅ Expert with third party APIs such as Social media integration, Payment gateway, Twilio, WhatsApp, Google API etc. ✅ Machine Learning: OpenAI, ChatGPT, GPT-3, GPT-4, Langchain. I am eager to work with you, solve your problem, and give the best solutions for you and your Business. Don't hesitate to contact me anytime(24X7) to discuss how we can work together to meet your Business Needs fully! I'm flexible in all time zone and am happy to work closely with any existing freelancers you work with.
    vsuc_fltilesrefresh_TrophyIcon Elasticsearch
    Braintree
    PayPal Integration
    Unit Testing
    Sylius
    Doctrine ORM
    Symfony 4
    Stripe
    Payment Gateway Integration
    Symfony
    Sass
    Laravel
    Docker
    Redis
    Custom PHP
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