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Hire the best Java Developers in Chennai, IN

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Rating is 4.7 out of 5.
4.7/5
based on 9,237 client reviews
  • $40 hourly

    • 5.0/5
    • (11 jobs)
    Welcome, I am JANA, an experienced Node.js Developer, MongoDB Administrator, Fullstack Developer and an Open Source Contributor. Currently, developing Authorization Server for OAuth 2.1 Authorization Code Flow in MEVN stack (MongoDB-Express.js-Vanilla JS-Node.js). In future, looking to implementing other OAuth 2.1 flows as well: -- Client Credential Flow and -- Refresh Token Flow. SERVICES OFFERED--------------------------------------------------------------------------- • Design, development and integration of APIs/webhooks. • Writing packages and libraries in JavaScript. • MQL and Aggregation Pipeline writing for complex queries. • Consultation for MongoDB Data modelling and database administration. • Creating GitHub Actions and workflows. PUBLISHED NPM PACKAGES----------------------------------------------------------------- • group-objects-array • deduplicate-array • array-has-value • get-dtype-of • resolve-dotstringkey • @jsonalytix/lookup • @jsonalytix/limit • @jsonalytix/skip ** Links for these packages can be found from Portfolio. *** MONGODB UNIVERSITY COURSES COMPLETED------------------------------------------ • M312: Diagnostics and Debugging • M121: The MongoDB Aggregation Framework • M201: MongoDB Performance • M103: Basic Cluster Administration • M320: Data Modelling • M112: Diagnostic Thinking • M150: Authentication & Authorization • A300: Atlas Security • A131: Introduction to MongoDB Charts • M100: MongoDB for SQL Pros • M220JS: MongoDB for JavaScript Developers • M001: MongoDB Basics ** Certificates and their links can be found from Portfolio. *** SKILL SETS ------------------------------------------------------------------------------------- Node.js . JS . TS . npm . express . axios . Jest . Mintlify . JWT . OAuth 2.0 . PKCE . OIDC . SAML . SSO . Duende . Auth0 . Okta . REST APIs . webhook . websocket . Kafka . OpenAPI . MongoDB . MongoDB Atlas . MongoDB Compose . MongoDB Chart . Mongosh . mongoimport . mongoexport . mongodump . mongorestore . mongotop . mongostat . MySQL . SQL . PostgreSQL . Redis . VM . Vagrant . Docker . Docker Compose . Docker Desktop . YAML . Ubuntu . Bash . SSH . Git . GitHub . BitBucket . GitHub Actions . AWS . Azure . GCP . Java . Python . PHP . Perl . Excel VBA . --------------------------------------------------------------------------------------------------------- Thank You !!!
    vsuc_fltilesrefresh_TrophyIcon Java
    Google Cloud Platform
    Microsoft Azure
    AWS Development
    HubSpot
    OKTA
    Auth0
    User Authentication
    OAuth
    HTML5
    Perl
    Python
    JavaScript
    Node.js
    MongoDB
  • $9 hourly

    • 5.0/5
    • (16 jobs)
    • Undergraduate in Computer Science • 5+ years’ experience as LMS Specialists/ Instructional Designer/ System Engineer/ Project Support and System Administrator in in high-profile companies. With over 10 years of professional experience in the field, most recently as a Product Specialist- Instructional Designer, I am confident that my skills and expertise make me an ideal candidate for this role. During my tenure as a Product Specialist - Instructional Designer, I have gained valuable experience that directly aligns with the responsibilities of an Instructional Designer. Throughout my experience in recent company, I was handling storyboards for video and interactive content creation in articulate and motion graphic tools. Also handled new product market analysis, developing storyboard for the learning courses which includes interactive learning content and instructor LED videos. Uploading and updating the webpage content. Developing the self-spaced courses based on the SB. Handling the LMS activities and queries. Leveraging highly developed technical skills in product development to build powerful eLearning, audio book (podcasts), videos, and flipbook training content, etc. Uploading/Updating courses in LMS. Support product department manager by managing product development projects for business to business (B2B). Here are three ways my previous role has prepared me for this position: 1. Content Development: As a Product Specialist, I was responsible for creating engaging and interactive learning materials for a diverse range of products. By working closely with subject matter experts, I developed a deep understanding of various instructional design methodologies, adult learning principles, and effective content delivery strategies. This experience has equipped me with the ability to develop cohesive and impactful instructional materials. 2. Needs Assessment and Analysis: In my previous role, I frequently collaborated with cross-functional teams to conduct comprehensive needs assessments and analyze training requirements. By utilizing various research techniques and data analysis, I was able to identify performance gaps and design targeted learning interventions to address those gaps. This skill is crucial for an Instructional Designer, as it ensures the development of tailored and effective learning solutions. 3. Project Management: As a Product Specialist - Instructional Designer, I was entrusted with managing multiple projects simultaneously, ensuring timely completion while maintaining high-quality standards. Through this experience, I honed my project management skills, including effective communication, stakeholder coordination, and resource allocation. I am confident that these skills will enable me to successfully manage and deliver complex instructional design projects at Bakkah. In addition to my professional experience, I possess a Master's degree in Instructional Design and Technology, which has provided me with a solid theoretical foundation in designing and implementing effective instructional strategies. LMS Specialists: Moodle LMS/ Docebo/ TalentLMS: • Installing and customizing themes • Developing new course • Creating Quiz banks • Creating and managing courses and users • Installing plug-ins •. Importing, exporting and restoring courses • Password management • Assigning roles • Creating and managing activities and resources • Registration & Notification Features • Dashboards • Web-Conferencing • Certificate Automation • Analytical Reports • Mobile App • Back-up SPECIALIZED: • Content Curation • Instructor-Led Training • Visuals/ Videos/ Infographics and Animations • Gamification • Simulation • Job Aids/ Quick Reference Guide • Quiz and Assessment Technical Tools ● Learning Tools: Lectora, Articulate, Captivate, iSpring ●. Development Language : Core Java, JavaScript, J2EE ● Database : MS SQL server 2008, IBM Informix ● Markup Languages : HTML ● Additional Tools : MS SharePoint, Telnet ● Domain Knowledge. : Retail, Banking, Social Work ● OS : Unix – Shell script and 4GL ● Other Skills : Adobe Photo Shop
    vsuc_fltilesrefresh_TrophyIcon Java
    IBM SPSS
    JavaScript
    SQL
    Core Java
    Microsoft SharePoint Administration
    Adobe InDesign
    Photo Editing
    Unix Shell
  • $26 hourly

    • 5.0/5
    • (14 jobs)
    Over the last 20+ years, I have developed different types of applications in Enterprise Java technologies. I am a high-quality certified Java developer. My core competencies are Java, Spring Boot, Spring Data, Spring WebFlux, Spring Framework, Angular, GraphQL, JSF, GWT, CDI, Swing, JavaFX, NetBeans RCP, Threads, Sockets, Web Services. I have 20 years of experience in this industry, primarily based out of India, with experience of working for two years in the US at client locations. In the initial years, I worked in Java technologies like JSP, Servlets, JSF, EJB, etc. In recent years, I have worked extensively on developing RESTFul microservices using Spring Boot, Spring Data (JPA, R2DBC, Mongo), Spring WebFlux, GraphQL etc. On the UI side, in the recent past, I have worked with Javascript-based technologies like TypeScript, Angular framework, Angular Material UI. I have excellent communication skills and have the ability to communicate clearly with both business and technical people. I have excellent analytical skills and can think up creative solutions to your unique business problems. I can work up to 32-36 hours per week. My usual work timings will be between 8 AM CET - 4 PM CET. Once hired for the task, you can be assured of quality output. I am looking forward to working with you! Thank you!
    vsuc_fltilesrefresh_TrophyIcon Java
    SCSS
    Jakarta Server Faces
    JUnit
    Spring Batch
    Google Web Toolkit
    Swing
    JavaFX
    EJB
    Kotlin
    Spring Data
    Spring Security
    Spring Framework
    Angular
    RESTful Architecture
    Spring Boot
  • $15 hourly

    • 5.0/5
    • (13 jobs)
    I have developed sites for more than 10 years. I am a dedicated and a hard working person with a strong urge to learn and improve my skills. I take deadlines very seriously. Don't believe me? Just hire me right now and you will get the result. Substantial background in delivering large scale, mission-critical, real-time, and low latency projects on time. I have worked as a Technical Architect, Java Team Lead, and Senior Java developer. - Steep understanding of the life cycle of a software development project. - Technical Expertise & Frameworks: Spring boot, Spring Security - OAuth, AWS, Angular, React, jQuery, Restful Webservices. - DB Expertise: MySQL, PostgreSQL, Oracle, Couchbase DB, MongoDB - Platform: Linux, Unix, Windows - Software Engineering degree (Bachelor)
    vsuc_fltilesrefresh_TrophyIcon Java
    Angular
    AWS Development
    Spring Boot
    Spring MVC
  • $40 hourly

    • 4.9/5
    • (2 jobs)
    Have 13 years of experience in iOS & Android mobile application development. Developed more than 30 applications and submitted to app stores.
    vsuc_fltilesrefresh_TrophyIcon Java
    RxJava
    Web3
    RxSwift
    Kotlin
    Flutter
    Mobile App Development
    Swift
    iOS
    Android
  • $75 hourly

    • 5.0/5
    • (12 jobs)
    I'm an undergraduate at college looking to gain experience in full stack and application development through freelancing. I've been coding for several years now and have been contributing to open-source software at GitHub.
    vsuc_fltilesrefresh_TrophyIcon Java
    API
    Bootstrap
    CSS
    SQL
    HTML
    JavaScript
    Android
    MySQL
    Flutter
    Node.js
    React Native
    React
    PHP
  • $50 hourly

    • 5.0/5
    • (2 jobs)
    📱 Experienced Mobile blockchain developer with 3 years of expertise in Kotlin/Java/Flutter/IOS and Solidity 🚀 Created 2 production-level Blockchain Mobile apps. 🌟Founder of the World's first fully decentralized sports betting app Betiract ( published on PlayStore) 💡 Proficient in Java, Kotlin, Flutter and blockchain frameworks 🔐 Strong knowledge of smart contract development and secure data storage 🔍 Meticulous attention to detail and proactive problem solver
    vsuc_fltilesrefresh_TrophyIcon Java
    React Native
    Web3
    Swift
    Flutter
    Firebase
    Android
    Android App
    Blockchain
    Kotlin
    JavaScript
    Blockchain Architecture
    Solidity
  • $50 hourly

    • 4.9/5
    • (68 jobs)
    🏆 Expert-Vetted Senior Technical Consultant on Upwork  🔥 Boasting a 100% Job Success Rate and consistently earning 5-star client reviews, I come highly recommended by satisfied clients who are eager to endorse my work.  👨‍💻 Expert-Vetted Senior Technical Consultant with 15+ years of experience in Computer Vision, Data Science, Image & Video processing, Machine learning, AI, Data Science, Generative AI, Conversational AI, ChatGPT, OpenGL, Metal, OpenCV, Java, NLP, NLU, ReactJS, Angular, NodeJS, MERN, MEAN, C/C++, OpenCV, TensorFlow, and PyTorch, Python, and facial biometric recognition solutions. 🚀 Proven track record collaborating with fortune 500 organisations such as Nasa, CalTech, JPL, United Nation, Schneider Electric, GE, and Alstom, etc Here's how I can assist you in AI: ✅ Define the problem or use case and set clear goals/objectives, including the scope of the AI's capabilities and the expected outcomes ✅ Data Collection, Data Pipeline and Preprocessing ✅ Choose the appropriate AI model architecture, such as GPT-4, 3.5, 3, BERT, or Transformer for Generative AI ✅ Training the AI model ✅ Validation and Testing the AI model ✅ Implement Data Privacy and Ethics to protect sensitive information ✅ Integrate the AI model into the target application or platform, whether it's a website, mobile app, or chatbot. ✅ Set up monitoring and logging to track the AI's performance in real-time. ✅ Establish a feedback loop to gather user feedback and monitor system performance post-deployment. ✅ Use this feedback to make iterative improvements to the AI model and system. ✅ Optimize the AI model for speed and efficiency to handle increased user load. ✅ Regularly maintain and update the AI model to keep it up-to-date with changing data and user needs. ✅ Continuously monitor the AI system for security threats and vulnerabilities. ✅ Ensure compliance with relevant laws and regulations, such as data privacy and AI ethics guidelines.   I offer a comprehensive solution, whether you're starting from scratch or working with an existing project. Here's how I can assist you:  ✅ Complete MVP development from conceptualization to delighted users  ✅ Leadership for your in-house development team, team augmentation, and streamlined development processes  ✅ Remote Leadership on-demand, overseeing all technical facets of your business  ✅ Transitioning from legacy systems to digital transformation and refactoring existing applications  ✅ Collaborative brainstorming and troubleshooting to enhance key business metrics in web apps   Full Stack Developer Expertise 🔗 Proficient in both front-end and back-end development 🖥️ Skilled in creating responsive and user-friendly web applications 🎨 Expertise in UI/UX design and development 🛠️ Building and maintaining scalable web architectures Mastery of web development technologies and frameworks, such as: * 💻 Front-end: HTML5, CSS3, JavaScript, React, Angular. * 🖥️ Back-end: Node.js, Express.js. * 📊 Databases: SQL (MySQL, PostgreSQL), NoSQL (MongoDB, Redis), etc. * 📡 API development and integration * 🔐 Authentication and security best practices * 📚 Version control systems (Git, SVN) * 🚀 Deployment and hosting on various platforms (AWS, Azure, GCP, Heroku, etc.) * 🧪 Testing and debugging to ensure application reliability * 📊 Data storage, retrieval, and manipulation * 🚧 Continuous integration and continuous delivery (CI/CD) * 📑 Documentation of code and development processes * 🔄 Agile and Scrum methodologies for project management * 📈 Staying updated with the latest web development trends and technologies * 🚀 Passion for creating innovative and user-centric digital experiences. I have a diverse background and experience in various domains, including:  🏥 Healthcare  🛒 eCommerce  🎬 Entertainment / OTT (Over-The-Top)  ✈️ Travel and Tourism  📚 Education  🏢 Insurance  ✈️ Aviation    I'm ready to support your project's success. Let's work together to achieve your goals! 🚀 
    vsuc_fltilesrefresh_TrophyIcon Java
    Mobile App Development
    MERN Stack
    Generative AI
    Conversational AI
    Data Engineering
    Artificial Intelligence
    ChatGPT
    Artificial Neural Network
    Chatbot
    Machine Learning
    Data Science
    Natural Language Processing
    OpenCV
    Computer Vision
  • $40 hourly

    • 5.0/5
    • (16 jobs)
    This is Ramesh V having Java8 ,J2EE- Expert Developer with around 12 years of experience Since 2007, I have had the opportunity to work with both startups as well as enterprise clients. I have handled projects from requirement gathering, designing, development, deployment, maintenance and till delivery. I have successfully completed multiple sun certification programs. Project Experiences: Confidential is a B2B product which can be used for online Employment Verification, Employee Self-service and Employer-HR automation. This product is developed using Java with Spring MVC framework. GUI is designed using HTML 5, Jquery, Bootstrap, CSS and JSP for interacting with the server. Developed e-commerce platform stitched specifically for the needs of Film Production Companies. I have designed and developed API's for both mobile and Partners, built a portal for Production Company Managers. Involved in the development of a project, which uses GWT and Sencha GXT. Also implemented Full-Text Search in GAE by providing an objectify kind of framework. Designed and developed the project, which provides Guest Access Portal. Used Free Radius and Jradius modules to authenticate dynamically generated Guests. It has 3 modules, Admin Portal, Sponsor Portal and Guest Portal. Worked on Wireless security deployment platform and device tracking/management platform. It provides a reliable and affordable solution for deploying and monitoring secure networks in the age of BYOD. This is deployed on Amazon EC2 Linux with tomcat as web server. Created the leading classifieds website in France. I have worked to move from the old legacy system to Google App Engine and made it survive the maintenance issues and frequent server deeds. I offer the following highlights to display my achievements and reinforce my abilities: - Responsible for both front-end and Back-end activities - Core development languages: Java, J2EE, Phython - Web development: HTML, CSS, JavaScript, JQuery, AngularJS, ExpressJS, ReactJS - Solid understanding of Eclipse, Spring Framework, AWS, Elasticsearch, Tomcat, JBoss and GlassFish servers - Experience in working with JavaScript Frameworks with specialization in Core Java, Design Patterns, Hbase and TDD - Database: SQL Server, MySQL, PostgreSQL,MongoDB - 80% of my projects were built using these databases -Worked in RESTful web services like e-commerce, classifieds, security system and mobile app developments for various clients - Knowlege on Hibernate, Agile JIRA, and GIT - Hands-on development experience using the latest Java/Java EE technologies - Familiar with Core Java Packages & Internal Libraries
    vsuc_fltilesrefresh_TrophyIcon Java
    J2EE
    Google App Engine
    Node.js
    Hibernate
    jQuery
    Bootstrap
    JavaScript
    AngularJS
    Spring Framework
  • $40 hourly

    • 4.7/5
    • (14 jobs)
    Looking for a senior software developer with a remarkable track record in app and web development? Wait no further! With over 12 years of professional experience in the software industry, I am the ideal candidate to make your software ends meet. Here's why my technical qualifications make me an exceptional candidate for your development needs. Throughout my career, I have sharpened my skills by mastering a wide range of programming languages and frameworks including but not limited to JavaScript, ReactJS, AngularJS, React Native, EmberJS, NodeJS, Flex, Ruby on Rails, ActionScript3, PHP and java related technologies like (Servlets, JSP, Spring, Hibernate). Client/server systems architecture and development Specialties like Java(Java Core, Servlet, Spring, Vaadin, Log4j, Multithreading. Build environments like Ant, Maven, and HTML/CSS (LESS, Sass), Gulp, ExtJs with jQuery and Bootstrap. My expertise lies in developing innovative solutions that combine cutting-edge technology with seamless user experiences. Whether it's creating captivating gameplay mechanics, designing stunning virtual environments, or building complex mobile and web applications, I thrive on transforming your vision into reality. One notable project that exemplifies my capabilities and provides insights into my potential for handling complexities is the development of a cutting-edge “server monitoring software” for “Hitachi”. I led a team of 80 talented developers and we collaboratively developed a solution that not only eliminated inefficiencies but also provided substantial cost savings and improved decision-making at the company. Collaboration and effective communication are keystones of my work ethic. I thrive in teams by capitalizing on my interpersonal skills to align with clients’ needs and transform complex requirements into efficient and elegant solutions. My ability to adapt to different project dynamics, from fast-paced app development to large-scale enterprise applications, has earned me a reputation as an authentic and resourceful developer. Looking forward to our future collaboration. Regards, Manohar.
    vsuc_fltilesrefresh_TrophyIcon Java
    Adobe Flex
    J2EE
    JavaScript
    HTML5
    Node.js
    React
    CSS 3
    AngularJS
    Spring Framework
  • $50 hourly

    • 5.0/5
    • (17 jobs)
    Full-stack developer with 14 years of experience in building end-to-end SaaS applications. Skilled in: Backend Development: Scalable architectures using Scala Akka, Python (Django, Flask), Java Dropwizard Frontend Development: Angular, HTML, CSS, JavaScript Database Design: MySQL, MariaDB, PostgreSQL, BigQuery Containerization & Cloud Deployment: Kubernetes, Docker Cloud Architecture: Proficient with GCP services like Pub/Sub, Cloud Storage, Cloud Run, Cloud SQL, Monitoring, Logging, Compute Engine, Cloud Build Firebase: Hosting, authentication, and more Data Engineering experience Committed to delivering accurate, high-quality work. Thank you for considering my profile.
    vsuc_fltilesrefresh_TrophyIcon Java
    ETL Pipeline
    Data Science
    Database Architecture
    Kubernetes
    MySQL
    Apache Kafka
    Django
    Akka-HTTP
    Angular
    Scala
    Apache Hadoop
    Python
    MapReduce
  • $35 hourly

    • 5.0/5
    • (3 jobs)
    Hi there, I am an expert Android and iOS developer with 8+ years of experience. I possess the expertise and knowledge required to meet your project needs effectively. My skills include Native Android, Flutter, Sqlite, Java, Kotlin, Objective C, Swift, Firebase, Volley, Retrofit, Firestore, Amazon S3, Sinch, Google Map, Socket.io, FFMPEG, Unity, Game Maker Studio, and Unreal Engine. MY PROJECT EXPERIENCE: Involved in the development of an online Grocery store which had 3 apps in total. A Consumer facing app, a Vendor facing app and a Shopper facing app which all worked together while fulfilling an order. This app had a tracker which allowed to monitor the movements of the shopper while he fulfilled orders. It also had a chat facility which allowed for communication between both parties. Designed a business App for Android and iOS. It is used by service providers to manage their business pages and to claim the business listed.The owners can build and update their business info by uploading photos, map location and services offered. They can upgrade and renew the campaigns to get verified leads. Once the campaign starts, owners will receive leads and inquiries relevant to their business. Owners can chat with the customer leads and respond to the inquiries. Willing to work on projects as a full-time developer for 40-50 hours/week in your time zone for a long-term relationship. I overlap with my clients, at least for 4-6 hours in their time zone, to ensure that I communicate on a daily basis and make sure my deliverable are appropriate for the client needs. I am pleased to offer a trial period of 40 hours, during which I will showcase the quality of my work and demonstrate how I can contribute to your project's success. Regarding availability, I can overlap with your time zone for 4-6 hours daily, ensuring regular and effective communication. Please let me know your availability so that we can schedule a quick call to discuss your project requirements further. Thank you for considering my application. I eagerly await your response and the opportunity to contribute to the success of your project. Best regards, Maria Kigin
    vsuc_fltilesrefresh_TrophyIcon Java
    Xamarin
    Agora Video SDK
    Twilio
    Swift
    React Native
    Firebase
    Flutter
    iOS
    Android
    Android App Development
    iOS Development
    Dart
    TypeScript
    JavaScript
    Kotlin
  • $60 hourly

    • 5.0/5
    • (14 jobs)
    CTO of a Start-Up, which has business in 30+ countries. Started coding from the age of 14. Building a highly-scalable SaaS application is my area of interest, and doing the same for the past 10+ years, have designed and built applications that handle 8 million requests/sec and also an application that handles 70K requests/sec with just one t2.micro instance (1GB RAM). Java is my go-to language, but have worked with numerous technology and open-source projects and have contributed to some of the open-source projects (Jedis, Lettuce, MyBatis, Memcached, ExoPlayer). To name a few languages, technologies, and protocols that I have worked with: Python, Node, Angular, Electron, Android, Redis, ElasticSearch, HDFS, RabbitMQ, CloudStack, AWS, WebOS, IMAP, HTTP, TCP, UDP, SMTP and much more. So, why UpWork. I have some free time, and I love to solve interesting and challenging problems. You could check my LinkedIn for further details URL - goo.gl/QjeHgx
    vsuc_fltilesrefresh_TrophyIcon Java
    SMTP
    Distributed Computing
    RabbitMQ
    Cloud Computing
    Google Cloud Platform
    SaaS
    Python
    Redis
    AngularJS
    Node.js
    JavaScript
  • $40 hourly

    • 4.0/5
    • (2 jobs)
    mn7M9H I'm a certified AEM developer having 5+ years of experience in AEM development. Having work experience of more than 5 projects. Worked in AEM 6.1, 6.4 and 6.5 versions. I have migrated AEM 6.1 to AEM 6.4 version for two of my projects. . Having good J2EE & AEM knowledge, I believe to become as asset to your organization. Original content and quick turnaround time is something I can offer you. I experience in OSGI, JCR, Sling, Workflow and assets. And worked on Static and Editable template (migrated one another), page Components, Content components, Touch ui dialog creation and validation scripts using jQuery and AEM touch ui listeners. Worked on sightly, REST and SOAP API calls using Ajax call from the client end to load the dynamic content on the page. Implemented server and sling implementation layers to adopt the business logic and provide the component data as json as per requirement. Introduced mapstruct and lambok on project to enhance the cognitive complexity of a project bundle module. I am flexible and have good business relationships with the people I work with. I can think differently. Moreover, I am open to learning new concepts, which I believe helps me in the growth of my career. I have experience in leading a team to provide alternate solution to meet business requirements and converting the requirement to design documents for the developers. Also worked on migration projects from AEM 6.1 to 6.4 version and to 6.5 version. Converted JSP components to Sightly components. Implemented Sling models for components and migrated Js Use API to Java Use API. Created Editable Template and migrated static template to editable template. Implemented the Content As A Service accross the project. Developed migration script to update the contents in AEM server. Created new common client library for the project and implemented in existing projects. Created service class in sling model in AEM 6.5.
    vsuc_fltilesrefresh_TrophyIcon Java
    OSGi
    Adobe Experience Manager
    J2EE
    Apache Sling
    HTML5
    HTML
    JavaScript
    Spring MVC
  • $30 hourly

    • 5.0/5
    • (2 jobs)
    I have been developing and managing mobile products since last 7 years and has a good exposure to Android development. I have been into archietecting mobile solutions in eLearning and Health care domains. I have also been doing freelancer in Finance market domain. I have worked on scalable projects with user base of 8 million active users and is a part of end to end development of mobile projects.
    vsuc_fltilesrefresh_TrophyIcon Java
    Selenium
    Android App Development
    C
    C#
  • $20 hourly

    • 5.0/5
    • (3 jobs)
    🌟 Seeking a Highly Skilled TestOps consultant? Look No Further! 🌟 Are you in need of a seasoned Software QA Engineer or TestOps consultant with a knack for UI, API, Mobile, Performance, CI/CD, Containerization and Orchestration ? Your search ends here! With over 12 years of hands-on experience in QA Testing, Automation, and TestOps, I offer a robust track record of delivering top-tier solutions tailored to diverse software testing needs. My expertise spans an extensive array of technologies and tools, ensuring unparalleled quality and efficiency in every project I undertake. Here's what sets me apart: Key Skills: ✔ QA Testing and Automation: Proven ability to devise and execute comprehensive QA strategies. Proficiency in manual testing and automation using Selenium , Appium, Junit, Pytest and TestNG. Expertise in crafting and maintaining robust automation frameworks for seamless CI/CD integration. ✔ TestOps: In-depth knowledge of CI/CD pipelines in Jenkin and Git Workflow. Hands-on experience with Jenkins for streamlined application deployment. Hands-on experience in Docker for efficient containerization and Kubernetes for orchestration. ✔ Programming Languages: Mastery of Java, Python, and TypeScript for versatile automation solutions. ✔ Containerization and Orchestration: Experience in Docker for optimizing resource utilization. Hands-on experience with Kubernetes for scalable application management. ✔ Web Scraping: Proficient in extracting valuable data from websites for testing purposes. ✔ Collaboration and Communication: A collaborative team player fostering innovation and continuous improvement. With a rich background in QA testing, automation, and DevOps, I bring a unique blend of technical acumen and strategic thinking to the table. My commitment to excellence ensures high-quality results, making me the ideal candidate for projects demanding top-notch testing, automation, and DevOps practices. ⭐ Services Offering: ⭐ Designing and implementing test strategies from scratch. Building custom test automation frameworks using Java, Python, or TypeScript. Setting up CI solutions in Jenkins or GitHub Actions. Establishing Test environment Infrastructure using Docker and Kubernetes. To explore my technical prowess further, please visit my GitHub profile: thananauto. And I am writing technical blogs in medium.com/@thananjayan1988 I am ready to bring unparalleled expertise and dedication to your project. Let's collaborate for success!
    vsuc_fltilesrefresh_TrophyIcon Java
    Automation Framework
    Automated Testing
    QA Testing
    Docker
    Kubernetes
    Git
    Rest Assured
    Appium
    Selenium WebDriver
    Python
    Test Automation Framework
    Jenkins
  • $12 hourly

    • 5.0/5
    • (4 jobs)
    I am flutter based mobile app developer from Chennai, India. Have been involved in mobile app development for past 3+ years. Done projects related to GPS live tracking of multiple devices, REST API, E Commerce, QR Based login, E Learning modules. Have developed use cases for OTP verified login, Payment Gateway integration, PDF for order receipt in E Commerce app. Worked in Firebase, MySQL DB, PHP, HTML, CSS, POSTMAN, JAVA Projects, DART and Flutter. State Management Used: Provider
    vsuc_fltilesrefresh_TrophyIcon Java
    Mobile App
    Content Writing
    Instructional Design
    Mobile App Design
    Mathematics Tutoring
    Mobile App Development
    Android App Development
    Firebase
    Android Studio
    Dart
    Flutter
  • $30 hourly

    • 5.0/5
    • (1 job)
    I am a certified cloud architect with 11+ years of experience in software industry. Having vast hands on experience, I can support you with below expertise, skills, tools and scripts, ~ Cloud migration ~ DevOps Automation (Terraform, boto3 python library in AWS environment) ~ Plugin & Api Development ~ Atlassian Plugin Development (BitBucket, JIRA, Confluence) ~ Cloud Serverless framework design & development ~ Web, ERP, Enterprise Solution development ( React, Java, .Net, NodeJS, AWS Amplify, SQL, MySql, MariaDB, DynamoDB). ~ Mobile App Development (ReactNative)
    vsuc_fltilesrefresh_TrophyIcon Java
    Web Application Framework
    Bitbucket
    React
    React Native
    Kibana
    Enterprise Software
    Plugin Development
    Script
    Node.js
    Atlassian Confluence
    Terraform
    Jira
    Python
    Amazon Web Services
  • $30 hourly

    • 5.0/5
    • (12 jobs)
    A forward-thinking android developer offering four years of experience in building, integrating, testing, and supporting android apps for mobile. Focused on using the latest technology that is made available in Android Ecosystem.
    vsuc_fltilesrefresh_TrophyIcon Java
    Android Things
    Android SDK
    Android App Development
    Mobile App Development
    User Authentication
    Smartphone
    Firebase
    Android
    Firebase Cloud Firestore
    Android Studio
    Kotlin
    Firebase Realtime Database
    Native App Development
  • $14 hourly

    • 5.0/5
    • (1 job)
    Professional Summary * 9+ years of Java industry experience encompassing a wide range of skill set, roles and industry verticals. * Extensive experience with analysis, design, development, customizations and implementation of software applications. Skill Set Databases Oracle, CloudantDB, CouchDB, Mango DB, MySQL Programming Languages Java, NodeJS, Golang Framework Spring, Spring Boot, Microservice, Hibernate, TDD, Web services, JMS, Struts, API Integration, OpenAPI Front-end Html5, JavaScript, Angular Script Language Shell script, Python OS Windows, Linux, IOS Build Management Maven, Ant, Gradle Cloud Computing AWS, GCP, Azure, IBM Cloud, PCF CI/CD Pipeline Jenkins, TeamCity, Toolchain, Docker, Kubernetes DataStream Kafka, DSP, Splunk, SignalFx, Spark Reporting Tools SonarQube, JaCoCo Configuration Tools Puppet, Ansible, Terraform AI IBM Watson, IBM Discovery Logging Kibana, Logstash, Elastic search, Log DNA Version Control GitLab, Bitbucket, TFS, JIRA Server Tomcat, WebLogic, WebSphere, WSO2 and JBOSS Methodologies Agile, Kanban
    vsuc_fltilesrefresh_TrophyIcon Java
    Apache Kafka
    Microservice
    Google Cloud Platform
    MongoDB
    API Development
    Jenkins
    Cloud Computing
    Kubernetes
    Migration
    Azure DevOps
    Amazon Web Services
    Core Java
    Spring Boot
    DevOps
  • $20 hourly

    • 5.0/5
    • (2 jobs)
    True full stack developer. Android, iOS native, HTML Front end. Server side on Java. Multiple apps, all ground up development. Deployment, AWS technologies. Deep familiarity with all components. Apps: iOS, Android - Design thru deployment Server side: Design thru deployment Database: Couchbase (including synchronization technology), MySQL Test, learn and enhance: Deployed V2 thru V3 of consumer apps Complex apps: Location, camera, notifications (SMS as well as push), Credit card processing, In-device DB, synchronization
    vsuc_fltilesrefresh_TrophyIcon Java
    Server
    Database
    RESTful API
    Couchbase Server
    Stripe
    Play Framework
    Amazon Web Services
    Android
    iOS
    MySQL
    Node.js
    JavaScript
  • $18 hourly

    • 5.0/5
    • (2 jobs)
    I work towards your business targets. While you engage with me, your targets are achieved in the most quick and easier ways. Below is a quick STATS on my expertise. 1. 375+ PIXEL PERFECT screens from FIGMA/XD to REACT UI 2. 775+ API Integrations 3. Clients across 3+ countries (USA, UK, ISRAEL) I always adopt the 3 step approach for UI screens to ensure faster and flawless delivery. 1. Figma/XD design of screens (If not created, help on creating one) 2. Implement the Figma designs in React 3. API Integration and testing of designed screens. My Expertise:- * Proficient with Reactjs, core Java, Spring and its libraries * Extensive knowledge of React JS, Redux, Router DOM, Antd, Charts * Efficient with API Integration * Highly worked with SQL and NoSQL databases * Strong communication skills I can assure you flawless delivery with on time submission. The output will be always with "Quality" on high priority. Happy to connect
    vsuc_fltilesrefresh_TrophyIcon Java
    Web Application
    RESTful API
    API Integration
    Spring Boot
    Redux
    D3.js
    Microsoft Excel PowerPivot
    React
    Microsoft Excel
  • $20 hourly

    • 5.0/5
    • (8 jobs)
    👋 Hi, I'm Vignesh S, and I'm passionate about helping you excel in your data-driven projects. With over 3+ years of experience, I've honed my skills to provide top-notch services in various domains, including Microsoft Excel, Excel VBA, Google Sheets, Google Apps Script, and more. 🔍 Skills: Excel Mastery: From crafting advanced formulas to creating VBA macros, I'm your Excel go-to expert. Data Visualization: I specialize in transforming data into visually appealing dashboards and reports. Automation: Simplify your tasks with Excel and Word automation. Power Apps & Power Automate: I can build solutions to streamline your processes. Data Entry & Lead Generation: Accurate data entry and lead generation services are my forte. Microsoft Power BI: Expertise in creating business intelligence solutions. 🌟 Why Hire Me: Diverse Background: My unique life experiences in various fields have equipped me with a broad perspective and adaptability. Academic Excellence: My academic background includes a BSc in Mathematics, providing a strong foundation for analytical and critical thinking. Continuous Learning: I'm committed to staying updated with the latest tools and techniques. 📚 Relevant Certifications: Microsoft Excel VBA Developer Certification Microsoft Power BI for Data Visualization Project Management Professional (PMP) Certified Data Analyst Microsoft Office Specialist (MOS) Excel Expert Google Apps Script Developer Certification 🚀 Notable Projects: Automated Sales Report Generator: Developed an Excel VBA tool that automates the creation of detailed sales reports, saving hours of manual work. Interactive Sales Dashboard: Created a dynamic Excel dashboard with advanced VBA functionalities to visualize sales data in real-time. Data Entry Automation: Streamlined data entry tasks using Excel and VBA, reducing errors and improving efficiency. Email Marketing Automation: Designed a VBA script to automate email marketing campaigns, sending personalized emails to targeted lists. Inventory Management System: Developed a comprehensive Excel-based inventory system with VBA macros for a retail client, enabling efficient stock management. 💬 Why Choose Me: I bring a diverse skill set and a results-driven approach to every project. Timeliness, quality, and client satisfaction are my top priorities. I'm open to challenging projects and thrive in unfamiliar situations. 📢 Let's Get Started: Ready to take your data and automation needs to the next level? Let's connect and discuss how I can make your work more efficient, effective, and visually appealing. Your success is my mission!
    vsuc_fltilesrefresh_TrophyIcon Java
    Excel Formula
    Excel Macros
    Macro Programming
    Microsoft VBScript
    App Development
    Automation
    Visual Basic for Applications
    C#
  • $20 hourly

    • 5.0/5
    • (2 jobs)
    Hi There, I am an expert Flutter Developer with over 3 years of extensive experience in creating and maintaining mobile applications across various domains in highly secure and scalable environments. Development: 🔸 Capable of creating responsive and interactive user interfaces using Flutter. 🔸 Well-versed in Dart for building contemporary mobile applications. 🔸 Skilled in leveraging UI frameworks like Material Design to improve user interactions. 🔸 Experienced in integrating APIs and Firebase for seamless data management and real-time functionalities. 🔸 Proficient in designing and implementing efficient data models and handling asynchronous data exchange. 🔸 Experienced in implementing authentication and authorization using Firebase Auth and other security protocols. Version Control & Collaboration : 🔸 Extensive expertise in Git, GitHub, and Bitbucket for version control and facilitating collaborative development. 🔸 Proficient in Agile methodologies and adept at utilizing project management tools like Jira and Azure Boards for efficient project oversight. Testing & Quality Assurance : 🔸 Skilled in writing unit tests using frameworks such as Flutter Test. Why Choose Me ? - Problem Solver: Skilled in identifying and resolving issues in mobile applications, ensuring high performance and reliability. - Collaborative Approach: Possessing excellent communication skills and a collaborative mindset, facilitating seamless collaboration with cross-functional teams to achieve project goals. - Continuous Learning: Passionate about staying current with the latest industry trends and technologies to deliver innovative solutions. - Flexible in Work: I am open for a trial period of 40 hours which allows you to experience the full scope and quality of my work with absolutely no risk. I can overlap at least for 4-6 hours with your time zone to ensure that I communicate on a daily basis. Notable Projects : Project: Universal Ledger (Omnumi) - Technologies: Flutter, Firebase, web3dart, Trust Wallet Core, Localization, Encrypt, Google Charts, Crypto, Flutter Web - Description: A blockchain-based application facilitating deposit, transfer, and withdrawal activities. Implemented AES encryption for securing mnemonic phrases, robust user transaction monitoring, and a comprehensive admin console developed using Flutter Web. Project: Beautiful Mind : - Technologies: Flutter, Dart, Affiliate Marketing, Firebase, REST API, JSON, Push Notification, Stripe Payment, Social Auth Login - Description: A social media and support portal for individuals experiencing mental health issues, including features like private and group chat functions, video calls, crowdfunding, and e-commerce. Project: Ifada - Technologies: Flutter, Kotlin, Swift, BLoC, Firebase, REST API, JSON, Push Notification, Telr Payments - Description: An e-commerce platform supporting multiple countries, currencies, and languages. Features include order tracking, real-time support, wallet management, and business order management. Let's Connect! If you're looking for a reliable and experienced Flutter Developer to develop highly standard mobile applications or take your applications to the next level, feel free to reach out. I'm excited to help you achieve your goals and contribute to the success of your projects.
    vsuc_fltilesrefresh_TrophyIcon Java
    Socket.io
    FFmpeg
    Amazon S3
    Blockchain
    Flutter Stack
    SQLite
    Objective-C
    Firebase Cloud Firestore
    Firebase
    Dart
    Swift
    Flutter
    Kotlin
  • $5 hourly

    • 5.0/5
    • (3 jobs)
    Hi there! 👋 With 5 years of hands-on experience in mobile app development for both Android and iOS platforms, as well as expertise in Flutter, I bring a wealth of knowledge to the table. My skills extend to web development, particularly in mobile app development using Kotlin, Swift, SwiftUI, Java, and Dart. I excel in database management, server handling, team management, bug fixing, and maintenance, ensuring seamless end-to-end app development. Let's collaborate to create exceptional mobile experiences! Tech Stacks: ✅ Kotlin ✅ Swift ✅ SwiftUI ✅ Java ✅ Dart ✅ Flutter ✅ Database Management ✅ Server Handling ✅ Team Management ✅ Bug Fixing ✅ Maintenance ✅ End-to-End App Development
    vsuc_fltilesrefresh_TrophyIcon Java
    SwiftUI
    Mobile App
    App Development
    Product Development
    Swift
    Flutter
    Android
    Mobile App Development
    iOS
    Android App Development
    Kotlin
  • $40 hourly

    • 0.0/5
    • (2 jobs)
    I have over 8 years of experience in building graph based solutions both in OLTP and OLAP and also in predictive analytics. I have collaborated with IT Project Managers to understand their requirements, and independently delivered over 30 dashboards (each comprises more than 100 KPIs and viz) which is to analyze the productivity of teams.
    vsuc_fltilesrefresh_TrophyIcon Java
    Spring Boot
    Docker
    Grafana
    Regex Writing
    PySpark
    Apache Spark
    Apache Lucene
    Python Scikit-Learn
    Oracle
    Amazon Neptune
    Neo4j
    TypeScript
    Node.js
    Python
  • $6 hourly

    • 5.0/5
    • (5 jobs)
    Hello, we are Code Lancers, IT students with a passion for programming and a strong technical skillset(Python, Web Scraping, Javascript, Web development). We take pride in delivering high-quality work and providing exceptional customer service. We are confident that we can provide you with the quality of work and level of service you're looking for in a freelancer. Let's work together to bring your project to life!.
    vsuc_fltilesrefresh_TrophyIcon Java
    Web Scraping
    Python Script
    MERN Stack
    Google Chrome Extension
    Python
    MongoDB
    Node.js
    Flask
    Next.js
    React
    PostgreSQL
    ExpressJS
    Web Application
    JavaScript
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